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11 Commits

Author SHA1 Message Date
Roee Gadot
e8848fd305 no message 2021-07-15 15:14:40 +03:00
Roee Gadot
193fc2becc no message 2021-07-15 14:38:07 +03:00
Roee Gadot
9b616839bc Merge branch 'feature/TRA-3442_versioning' into feature/versioning 2021-07-15 14:35:42 +03:00
nimrod-up9
29ed9edb64 Added endpoint for metadata. 2021-07-15 14:34:48 +03:00
Roee Gadot
c88d068bfa no message 2021-07-15 14:34:40 +03:00
Roee Gadot
f839212b30 no message 2021-07-15 14:09:27 +03:00
Roee Gadot
6b7cb16a9f no message 2021-07-15 13:46:24 +03:00
Roee Gadot
919a5e6e6d no message 2021-07-15 13:28:56 +03:00
nimrod-up9
69dbd81837 Renamed public_routes.go -> entries_routes.go 2021-07-15 13:26:47 +03:00
nimrod-up9
d93913733e Moved version parser to shared. 2021-07-15 13:20:42 +03:00
nimrod-up9
7e52f46030 Default image uses semver. 2021-07-15 13:00:42 +03:00
272 changed files with 49919 additions and 14871 deletions

17
.dockerignore Normal file
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# Files
.dockerignore
.editorconfig
.gitignore
.env.*
Dockerfile
Makefile
LICENSE
**/*.md
**/*_test.go
*.out
# Folders
.git/
.github/
build/
**/node_modules/

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@@ -1,41 +0,0 @@
---
name: Bug report
about: Create a report to help us improve
title: ''
labels: ''
assignees: ''
---
**Describe the bug**
A clear and concise description of what the bug is.
**Provide more information**
Running on EKS, AKS, GKE, Minikube, Rancher, OpenShift? Number of Nodes? CNI?
**To Reproduce**
Steps to reproduce the behavior:
1. Run `kubeshark <command> ...`
2. Click on '...'
3. Scroll down to '...'
4. See error
**Expected behavior**
A clear and concise description of what you expected to happen.
**Logs**
Upload logs:
1. Run the kubeshark command with `--set dump-logs=true` (e.g `kubeshark tap --set dump-logs=true`)
2. Try to reproduce the issue
3. <kbd>CTRL</kbd>+<kbd>C</kbd> on terminal tab which runs `kubeshark`
4. Upload the logs zip file from `~/.kubeshark/kubeshark_logs_**.zip`
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Desktop (please complete the following information):**
- OS: [e.g. macOS]
- Web Browser: [e.g. Google Chrome]
**Additional context**
Add any other context about the problem here.

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@@ -1,55 +0,0 @@
name: Feature request
description: Request a new feature or an improvement to an existing one
title: "[Feature Request:]"
labels: ["enhancement"]
assignees:
- alongir
body:
- type: markdown
attributes:
value: |
Thanks for taking the time to request a new feature!
- type: input
id: contact
attributes:
label: Contact Details
description: How can we get in touch with you if we need more info?
placeholder: ex. email@example.com
validations:
required: false
- type: textarea
id: the-problem
attributes:
label: Is your feature request related to a problem? Please describe.
description: Please describe the problem you are trying to solve
validations:
required: true
- type: input
id: original-thread
attributes:
label: Original Thread
description: A link to the original discussion thread (e.g. Slack, Discord, Email, Verbal)
validations:
required: false
- type: textarea
id: the-solution
attributes:
label: Describe the solution you'd like to see
description: A clear and concise description of what you want to happen.
validations:
required: false
- type: textarea
id: the-context
attributes:
label: Provide additional context
description: Add any other context or screenshots about the feature request here.
validations:
required: false
- type: checkboxes
id: terms
attributes:
label: Code of Conduct
description: By submitting this issue, you agree to follow our [Code of Conduct](https://github.com/kubeshark/kubeshark/blob/master/docs/CODE_OF_CONDUCT.md)
options:
- label: I agree to follow this project's Code of Conduct
required: true

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@@ -1,46 +0,0 @@
# typed: false
# frozen_string_literal: true
class Kubeshark < Formula
desc ""
homepage "https://github.com/kubeshark/kubeshark"
version "${CLEAN_VERSION}"
on_macos do
if Hardware::CPU.arm?
url "https://github.com/kubeshark/kubeshark/releases/download/${FULL_VERSION}/kubeshark_darwin_arm64"
sha256 "${DARWIN_ARM64_SHA256}"
def install
bin.install "kubeshark_darwin_arm64" => "kubeshark"
end
end
if Hardware::CPU.intel?
url "https://github.com/kubeshark/kubeshark/releases/download/${FULL_VERSION}/kubeshark_darwin_amd64"
sha256 "${DARWIN_AMD64_SHA256}"
def install
bin.install "kubeshark_darwin_amd64" => "kubeshark"
end
end
end
on_linux do
if Hardware::CPU.intel?
url "https://github.com/kubeshark/kubeshark/releases/download/${FULL_VERSION}/kubeshark_linux_amd64"
sha256 "${LINUX_AMD64_SHA256}"
def install
bin.install "kubeshark_linux_amd64" => "kubeshark"
end
end
if Hardware::CPU.arm? && Hardware::CPU.is_64_bit?
url "https://github.com/kubeshark/kubeshark/releases/download/${FULL_VERSION}/kubeshark_linux_arm64"
sha256 "${LINUX_ARM64_SHA256}"
def install
bin.install "kubeshark_linux_arm64" => "kubeshark"
end
end
end
end

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@@ -1,36 +0,0 @@
on:
push:
# Sequence of patterns matched against refs/tags
tags:
- 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
name: Release Helm Charts
jobs:
release:
# depending on default permission settings for your org (contents being read-only or read-write for workloads), you will have to add permissions
# see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
permissions:
contents: write
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3
with:
fetch-depth: 0
- name: Configure Git
run: |
git config user.name "$GITHUB_ACTOR"
git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
- name: Install Helm
uses: azure/setup-helm@v3
- name: Run chart-releaser
uses: helm/chart-releaser-action@v1.5.0
with:
charts_dir: .
charts_repo_url: https://kubeshark.github.io/kubeshark
env:
CR_TOKEN: "${{ secrets.HELM_TOKEN }}"

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@@ -1,33 +0,0 @@
on:
push:
branches:
- master
pull_request:
branches:
- master
name: Linter
permissions:
contents: read
jobs:
golint:
name: Golint
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3
with:
fetch-depth: 2
- name: Set up Go
uses: actions/setup-go@v4
with:
go-version-file: 'go.mod'
- name: Go lint
uses: golangci/golangci-lint-action@v3
with:
version: latest
args: --timeout=10m

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@@ -1,201 +0,0 @@
name: MCP Registry Publish
on:
workflow_call:
inputs:
release_tag:
description: 'Release tag to publish (e.g., v52.13.0)'
type: string
required: true
workflow_dispatch:
inputs:
dry_run:
description: 'Dry run - generate server.json but skip actual publishing'
type: boolean
default: true
release_tag:
description: 'Release tag to publish (e.g., v52.13.0)'
type: string
required: true
jobs:
mcp-publish:
name: Publish to MCP Registry
runs-on: ubuntu-latest
permissions:
id-token: write # Required for OIDC authentication with MCP Registry
contents: read # Required for checkout
steps:
- name: Check out the repo
uses: actions/checkout@v4
- name: Determine version
id: version
shell: bash
run: |
# inputs.release_tag works for both workflow_call and workflow_dispatch
VERSION="${{ inputs.release_tag }}"
echo "tag=${VERSION}" >> "$GITHUB_OUTPUT"
echo "Publishing MCP server for version: ${VERSION}"
- name: Download SHA256 files from release
shell: bash
run: |
VERSION="${{ steps.version.outputs.tag }}"
mkdir -p bin
echo "Downloading SHA256 checksums from release ${VERSION}..."
for platform in darwin_arm64 darwin_amd64 linux_arm64 linux_amd64 windows_amd64; do
url="https://github.com/kubeshark/kubeshark/releases/download/${VERSION}/kubeshark-mcp_${platform}.mcpb.sha256"
echo " Fetching ${platform}..."
if ! curl -sfL "${url}" -o "bin/kubeshark-mcp_${platform}.mcpb.sha256"; then
echo "::warning::Failed to download SHA256 for ${platform}"
fi
done
echo "Downloaded checksums:"
ls -la bin/*.sha256 2>/dev/null || echo "No SHA256 files found"
- name: Generate server.json
shell: bash
run: |
VERSION="${{ steps.version.outputs.tag }}"
CLEAN_VERSION="${VERSION#v}"
# Read SHA256 hashes
get_sha256() {
local file="bin/kubeshark-mcp_$1.mcpb.sha256"
if [ -f "$file" ]; then
awk '{print $1}' "$file"
else
echo "HASH_NOT_FOUND"
fi
}
DARWIN_ARM64_SHA256=$(get_sha256 "darwin_arm64")
DARWIN_AMD64_SHA256=$(get_sha256 "darwin_amd64")
LINUX_ARM64_SHA256=$(get_sha256 "linux_arm64")
LINUX_AMD64_SHA256=$(get_sha256 "linux_amd64")
WINDOWS_AMD64_SHA256=$(get_sha256 "windows_amd64")
echo "SHA256 hashes:"
echo " darwin_arm64: ${DARWIN_ARM64_SHA256}"
echo " darwin_amd64: ${DARWIN_AMD64_SHA256}"
echo " linux_arm64: ${LINUX_ARM64_SHA256}"
echo " linux_amd64: ${LINUX_AMD64_SHA256}"
echo " windows_amd64: ${WINDOWS_AMD64_SHA256}"
# Generate server.json using jq for proper formatting
jq -n \
--arg version "$CLEAN_VERSION" \
--arg full_version "$VERSION" \
--arg darwin_arm64_sha "$DARWIN_ARM64_SHA256" \
--arg darwin_amd64_sha "$DARWIN_AMD64_SHA256" \
--arg linux_arm64_sha "$LINUX_ARM64_SHA256" \
--arg linux_amd64_sha "$LINUX_AMD64_SHA256" \
--arg windows_amd64_sha "$WINDOWS_AMD64_SHA256" \
'{
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"name": "io.github.kubeshark/mcp",
"displayName": "Kubeshark",
"description": "Real-time Kubernetes network traffic visibility and API analysis for HTTP, gRPC, Redis, Kafka, DNS.",
"icon": "https://raw.githubusercontent.com/kubeshark/assets/refs/heads/master/logo/ico/icon.ico",
"repository": { "url": "https://github.com/kubeshark/kubeshark", "source": "github" },
"homepage": "https://kubeshark.com",
"license": "Apache-2.0",
"version": $version,
"authors": [{ "name": "Kubeshark", "url": "https://kubeshark.com" }],
"categories": ["kubernetes", "networking", "observability", "debugging", "security"],
"tags": ["kubernetes", "network", "traffic", "api", "http", "grpc", "kafka", "redis", "dns", "pcap", "wireshark", "tcpdump", "observability", "debugging", "microservices"],
"packages": [
{ "registryType": "mcpb", "identifier": ("https://github.com/kubeshark/kubeshark/releases/download/" + $full_version + "/kubeshark-mcp_darwin_arm64.mcpb"), "fileSha256": $darwin_arm64_sha, "transport": { "type": "stdio" } },
{ "registryType": "mcpb", "identifier": ("https://github.com/kubeshark/kubeshark/releases/download/" + $full_version + "/kubeshark-mcp_darwin_amd64.mcpb"), "fileSha256": $darwin_amd64_sha, "transport": { "type": "stdio" } },
{ "registryType": "mcpb", "identifier": ("https://github.com/kubeshark/kubeshark/releases/download/" + $full_version + "/kubeshark-mcp_linux_arm64.mcpb"), "fileSha256": $linux_arm64_sha, "transport": { "type": "stdio" } },
{ "registryType": "mcpb", "identifier": ("https://github.com/kubeshark/kubeshark/releases/download/" + $full_version + "/kubeshark-mcp_linux_amd64.mcpb"), "fileSha256": $linux_amd64_sha, "transport": { "type": "stdio" } },
{ "registryType": "mcpb", "identifier": ("https://github.com/kubeshark/kubeshark/releases/download/" + $full_version + "/kubeshark-mcp_windows_amd64.mcpb"), "fileSha256": $windows_amd64_sha, "transport": { "type": "stdio" } }
],
"tools": [
{ "name": "check_kubeshark_status", "description": "Check if Kubeshark is currently running in the cluster.", "mode": "proxy" },
{ "name": "start_kubeshark", "description": "Deploy Kubeshark to the Kubernetes cluster. Requires --allow-destructive flag.", "mode": "proxy", "destructive": true },
{ "name": "stop_kubeshark", "description": "Remove Kubeshark from the Kubernetes cluster. Requires --allow-destructive flag.", "mode": "proxy", "destructive": true },
{ "name": "list_workloads", "description": "List pods, services, namespaces, and nodes with observed L7 traffic.", "mode": "all" },
{ "name": "list_api_calls", "description": "Query L7 API transactions (HTTP, gRPC, Redis, Kafka, DNS) with KFL filtering.", "mode": "all" },
{ "name": "get_api_call", "description": "Get detailed information about a specific API call including headers and body.", "mode": "all" },
{ "name": "get_api_stats", "description": "Get aggregated API statistics and metrics.", "mode": "all" },
{ "name": "list_l4_flows", "description": "List L4 (TCP/UDP) network flows with traffic statistics.", "mode": "all" },
{ "name": "get_l4_flow_summary", "description": "Get L4 connectivity summary including top talkers and cross-namespace traffic.", "mode": "all" },
{ "name": "list_snapshots", "description": "List all PCAP snapshots.", "mode": "all" },
{ "name": "create_snapshot", "description": "Create a new PCAP snapshot of captured traffic.", "mode": "all" },
{ "name": "get_dissection_status", "description": "Check L7 protocol parsing status.", "mode": "all" },
{ "name": "enable_dissection", "description": "Enable L7 protocol dissection.", "mode": "all" },
{ "name": "disable_dissection", "description": "Disable L7 protocol dissection.", "mode": "all" }
],
"prompts": [
{ "name": "analyze_traffic", "description": "Analyze API traffic patterns and identify issues" },
{ "name": "find_errors", "description": "Find and summarize API errors and failures" },
{ "name": "trace_request", "description": "Trace a request path through microservices" },
{ "name": "show_topology", "description": "Show service communication topology" },
{ "name": "latency_analysis", "description": "Analyze latency patterns and identify slow endpoints" },
{ "name": "security_audit", "description": "Audit traffic for security concerns" },
{ "name": "compare_traffic", "description": "Compare traffic patterns between time periods" },
{ "name": "debug_connection", "description": "Debug connectivity issues between services" }
],
"configuration": {
"properties": {
"url": { "type": "string", "description": "Direct URL to Kubeshark Hub (e.g., https://kubeshark.example.com). When set, connects directly without kubectl/proxy.", "examples": ["https://kubeshark.example.com", "http://localhost:8899"] },
"kubeconfig": { "type": "string", "description": "Path to kubeconfig file for proxy mode.", "examples": ["~/.kube/config", "/path/to/.kube/config"] },
"allow-destructive": { "type": "boolean", "description": "Enable destructive operations (start_kubeshark, stop_kubeshark). Default: false for safety.", "default": false }
}
},
"modes": {
"url": { "description": "Connect directly to an existing Kubeshark deployment via URL. Cluster management tools are disabled.", "args": ["mcp", "--url", "${url}"] },
"proxy": { "description": "Connect via kubectl port-forward. Requires kubeconfig access to the cluster.", "args": ["mcp", "--kubeconfig", "${kubeconfig}"] },
"proxy-destructive": { "description": "Proxy mode with destructive operations enabled.", "args": ["mcp", "--kubeconfig", "${kubeconfig}", "--allow-destructive"] }
}
}' > mcp/server.json
echo ""
echo "Generated server.json:"
cat mcp/server.json
- name: Install mcp-publisher
shell: bash
run: |
echo "Installing mcp-publisher..."
curl -sfL "https://github.com/modelcontextprotocol/registry/releases/latest/download/mcp-publisher_linux_amd64.tar.gz" | tar xz
chmod +x mcp-publisher
sudo mv mcp-publisher /usr/local/bin/
echo "mcp-publisher installed successfully"
- name: Login to MCP Registry
if: github.event_name != 'workflow_dispatch' || github.event.inputs.dry_run != 'true'
shell: bash
run: mcp-publisher login github
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- name: Publish to MCP Registry
if: github.event_name != 'workflow_dispatch' || github.event.inputs.dry_run != 'true'
shell: bash
run: |
cd mcp
echo "Publishing to MCP Registry..."
if ! mcp-publisher publish; then
echo "::error::Failed to publish to MCP Registry"
exit 1
fi
echo "Successfully published to MCP Registry"
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- name: Dry-run summary
if: github.event_name == 'workflow_dispatch' && github.event.inputs.dry_run == 'true'
shell: bash
run: |
echo "=============================================="
echo "DRY RUN - Would publish the following server.json"
echo "=============================================="
cat mcp/server.json
echo ""
echo "=============================================="
echo "SHA256 checksums downloaded:"
echo "=============================================="
cat bin/*.sha256 2>/dev/null || echo "No SHA256 files found"

78
.github/workflows/publish.yml vendored Normal file
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name: publish
on:
push:
branches:
- 'develop'
- 'main'
- 'feature/versioning'
jobs:
docker:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v2
- name: Set up Cloud SDK
uses: google-github-actions/setup-gcloud@master
with:
service_account_key: ${{ secrets.GCR_JSON_KEY }}
export_default_credentials: true
- uses: haya14busa/action-cond@v1
id: condval
with:
cond: ${{ github.ref == 'refs/heads/main' }}
if_true: "minor"
if_false: "patch"
- name: Auto Increment Semver Action
uses: MCKanpolat/auto-semver-action@1.0.5
id: versioning
with:
releaseType: ${{ steps.condval.outputs.value }}
github_token: ${{ secrets.GITHUB_TOKEN }}
- name: Get version parameters
shell: bash
run: |
echo "##[set-output name=build_timestamp;]$(echo $(date +%s))"
echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
id: version_parameters
- name: Get base image name
shell: bash
run: echo "##[set-output name=image;]$(echo gcr.io/up9-docker-hub/mizu/${GITHUB_REF#refs/heads/})"
id: base_image_step
- name: Docker meta
id: meta
uses: crazy-max/ghaction-docker-meta@v2
with:
images: ${{ steps.base_image_step.outputs.image }}
tags: |
type=sha
type=raw,${{ github.sha }}
type=raw,${{ steps.versioning.outputs.version }}
- name: Login to DockerHub
uses: docker/login-action@v1
with:
registry: gcr.io
username: _json_key
password: ${{ secrets.GCR_JSON_KEY }}
- name: Build and push
uses: docker/build-push-action@v2
with:
context: .
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
build-args: |
SEM_VER=${{ steps.versioning.outputs.version }}
BUILD_TIMESTAMP=${{ steps.version_parameters.outputs.build_timestamp }}
GIT_BRANCH=${{ steps.version_parameters.outputs.branch }}
COMMIT_HASH=${{ github.sha }}
- name: Build and Push CLI
run: make push-cli SEM_VER='${{ steps.versioning.outputs.version }}' BUILD_TIMESTAMP='${{ steps.version_parameters.outputs.build_timestamp }}'
- name: publish
uses: ncipollo/release-action@v1
with:
token: ${{ secrets.GITHUB_TOKEN }}
artifacts: "cli/bin/*"
commit: ${{ steps.version_parameters.outputs.branch }}
tag: ${{ steps.versioning.outputs.version }}
prerelease: ${{ github.ref != 'refs/heads/main' }}
bodyFile: 'cli/bin/README.md'

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@@ -1,77 +0,0 @@
on:
push:
# Sequence of patterns matched against refs/tags
tags:
- 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
name: Release
concurrency:
group: kubeshark-publish-${{ github.ref }}
cancel-in-progress: true
jobs:
release:
name: Build and publish a new release
runs-on: ubuntu-latest
outputs:
version: ${{ steps.version.outputs.tag }}
steps:
- name: Check out the repo
uses: actions/checkout@v3
- name: Set up Go
uses: actions/setup-go@v4
with:
go-version-file: 'go.mod'
- name: Version
id: version
shell: bash
run: |
{
echo "tag=${GITHUB_REF#refs/*/}"
echo "build_timestamp=$(date +%s)"
echo "branch=${GITHUB_REF#refs/heads/}"
} >> "$GITHUB_OUTPUT"
- name: Build
run: make build-all VER='${{ steps.version.outputs.tag }}' BUILD_TIMESTAMP='${{ steps.version.outputs.build_timestamp }}'
- name: Log the version into a .txt file
shell: bash
run: |
echo '${{ steps.version.outputs.tag }}' >> bin/version.txt
- name: Create MCP Registry artifacts
shell: bash
run: |
cd bin
# Create .mcpb copies for MCP Registry (URL must contain "mcp")
for f in kubeshark_linux_amd64 kubeshark_linux_arm64 kubeshark_darwin_amd64 kubeshark_darwin_arm64; do
if [ -f "$f" ]; then
cp "$f" "${f/kubeshark_/kubeshark-mcp_}.mcpb"
shasum -a 256 "${f/kubeshark_/kubeshark-mcp_}.mcpb" > "${f/kubeshark_/kubeshark-mcp_}.mcpb.sha256"
fi
done
# Handle Windows executable
if [ -f "kubeshark.exe" ]; then
cp kubeshark.exe kubeshark-mcp_windows_amd64.mcpb
shasum -a 256 kubeshark-mcp_windows_amd64.mcpb > kubeshark-mcp_windows_amd64.mcpb.sha256
fi
- name: Release
uses: ncipollo/release-action@v1
with:
token: ${{ secrets.GITHUB_TOKEN }}
artifacts: "bin/*"
tag: ${{ steps.version.outputs.tag }}
prerelease: false
bodyFile: 'bin/README.md'
mcp-publish:
name: Publish to MCP Registry
needs: [release]
uses: ./.github/workflows/mcp-publish.yml
with:
release_tag: ${{ needs.release.outputs.version }}

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@@ -1,31 +0,0 @@
on:
push:
branches:
- master
pull_request:
branches:
- master
name: Test
jobs:
run-unit-tests:
name: Unit Tests
runs-on: ubuntu-latest
timeout-minutes: 20
steps:
- name: Check out code into the Go module directory
uses: actions/checkout@v3
with:
fetch-depth: 2
- name: Set up Go
uses: actions/setup-go@v4
with:
go-version-file: 'go.mod'
- name: Test
run: make test
- name: Upload coverage to Codecov
uses: codecov/codecov-action@v3

47
.gitignore vendored
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@@ -15,52 +15,7 @@
# vendor/
.idea/
build
*.db
# Mac OS
.DS_Store
.vscode/
# Ignore the scripts that are created for development
*dev.*
# Environment variables
.env
# pprof
pprof/*
# Database Files
*.db
*.gob
# Nohup Files - https://man7.org/linux/man-pages/man1/nohup.1p.html
nohup.*
# Cypress tests
cypress.env.json
*/cypress/downloads
*/cypress/fixtures
*/cypress/plugins
*/cypress/screenshots
*/cypress/videos
*/cypress/support
# UI folders to ignore
**/node_modules/**
**/dist/**
*.editorconfig
# Ignore *.log files
*.log
# Object files
*.o
# Binaries
bin
# Scripts
scripts/
# CWD config YAML
kubeshark.yaml

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@@ -1,9 +0,0 @@
brews:
- name: kubeshark
homepage: https://github.com/kubeshark/kubeshark
tap:
owner: kubeshark
name: homebrew-kubeshark
commit_author:
name: mertyildiran
email: me@mertyildiran.com

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@@ -1,76 +0,0 @@
# Contributor Covenant Code of Conduct
## Our Pledge
In the interest of fostering an open and welcoming environment, we as
contributors and maintainers pledge to making participation in our project and
our community a harassment-free experience for everyone, regardless of age, body
size, disability, ethnicity, sex characteristics, gender identity and expression,
level of experience, education, socio-economic status, nationality, personal
appearance, race, religion, or sexual identity and orientation.
## Our Standards
Examples of behavior that contributes to creating a positive environment
include:
* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery and unwelcome sexual attention or
advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic
address, without explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting
## Our Responsibilities
Project maintainers are responsible for clarifying the standards of acceptable
behavior and are expected to take appropriate and fair corrective action in
response to any instances of unacceptable behavior.
Project maintainers have the right and responsibility to remove, edit, or
reject comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct, or to ban temporarily or
permanently any contributor for other behaviors that they deem inappropriate,
threatening, offensive, or harmful.
## Scope
This Code of Conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community. Examples of
representing a project or community include using an official project e-mail
address, posting via an official social media account, or acting as an appointed
representative at an online or offline event. Representation of a project may be
further defined and clarified by project maintainers.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be
reported by contacting the project team. All
complaints will be reviewed and investigated and will result in a response that
is deemed necessary and appropriate to the circumstances. The project team is
obligated to maintain confidentiality with regard to the reporter of an incident.
Further details of specific enforcement policies may be posted separately.
Project maintainers who do not follow or enforce the Code of Conduct in good
faith may face temporary or permanent repercussions as determined by other
members of the project's leadership.
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
[homepage]: https://www.contributor-covenant.org
For answers to common questions about this code of conduct, see
https://www.contributor-covenant.org/faq

View File

@@ -1,20 +0,0 @@
![Kubeshark: The API Traffic Analyzer for Kubernetes](https://raw.githubusercontent.com/kubeshark/assets/master/svg/kubeshark-logo.svg)
# Contributing to Kubeshark
We welcome code contributions from the community.
Please read and follow the guidelines below.
## Communication
* Before starting work on a major feature, please reach out to us via [GitHub](https://github.com/kubeshark/kubeshark), [Discord](https://discord.gg/WkvRGMUcx7), [Slack](https://join.slack.com/t/kubeshark/shared_invite/zt-1k3sybpq9-uAhFkuPJiJftKniqrGHGhg), [email](mailto:info@kubeshark.com), etc. We will make sure no one else is already working on it. A _major feature_ is defined as any change that is > 100 LOC altered (not including tests), or changes any user-facing behavior
* Small patches and bug fixes don't need prior communication.
## Contribution Requirements
* Code style - most of the code is written in Go, please follow [these guidelines](https://golang.org/doc/effective_go)
* Go-tools compatible (`go get`, `go test`, etc.)
* Code coverage for unit tests must not decrease.
* Code must be usefully commented. Not only for developers on the project, but also for external users of these packages
* When reviewing PRs, you are encouraged to use Golang's [code review comments page](https://github.com/golang/go/wiki/CodeReviewComments)
* Project follows [Google JSON Style Guide](https://google.github.io/styleguide/jsoncstyleguide.xml) for the REST APIs that are provided.

54
Dockerfile Normal file
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@@ -0,0 +1,54 @@
FROM node:14-slim AS site-build
WORKDIR /app/ui-build
COPY ui .
RUN npm i
RUN npm run build
FROM golang:1.16-alpine AS builder
# Set necessary environment variables needed for our image.
ENV CGO_ENABLED=1 GOOS=linux GOARCH=amd64
RUN apk add libpcap-dev gcc g++ make
# Move to api working directory (/api-build).
WORKDIR /app/api-build
COPY api/go.mod api/go.sum ./
COPY shared/go.mod shared/go.mod ../shared/
COPY tap/go.mod tap/go.mod ../tap/
RUN go mod download
# cheap trick to make the build faster (As long as go.mod wasn't changes)
RUN go list -f '{{.Path}}@{{.Version}}' -m all | sed 1d | grep -e 'go-cache' -e 'sqlite' | xargs go get
ARG COMMIT_HASH
ARG GIT_BRANCH
ARG BUILD_TIMESTAMP
ARG SEM_VER
# Copy and build api code
COPY shared ../shared
COPY tap ../tap
COPY api .
RUN go build -ldflags="-s -w \
-X 'mizuserver/pkg/version.GitCommitHash=${COMMIT_HASH}' \
-X 'mizuserver/pkg/version.Branch=${GIT_BRANCH}' \
-X 'mizuserver/pkg/version.BuildTimestamp=${BUILD_TIMESTAMP}' \
-X 'mizuserver/pkg/version.SemVer=${SEM_VER}'" -o mizuagent .
FROM alpine:3.13.5
RUN apk add bash libpcap-dev tcpdump
WORKDIR /app
# Copy binary and config files from /build to root folder of scratch container.
COPY --from=builder ["/app/api-build/mizuagent", "."]
COPY --from=site-build ["/app/ui-build/build", "site"]
COPY api/start.sh .
# this script runs both apiserver and passivetapper and exits either if one of them exits, preventing a scenario where the container runs without one process
ENTRYPOINT "/app/mizuagent"

18
LICENSE
View File

@@ -1,7 +1,6 @@
Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
@@ -176,13 +175,24 @@
END OF TERMS AND CONDITIONS
Copyright 2022 Kubeshark
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,

312
Makefile
View File

@@ -1,283 +1,71 @@
C_Y=\033[1;33m
C_C=\033[0;36m
C_M=\033[0;35m
C_R=\033[0;41m
C_N=\033[0m
SHELL=/bin/bash
.PHONY: help
.DEFAULT_GOAL := build
.ONESHELL:
# HELP
# This will output the help for each task
# thanks to https://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
.PHONY: help ui api cli tap docker
SUFFIX=$(GOOS)_$(GOARCH)
COMMIT_HASH=$(shell git rev-parse HEAD)
GIT_BRANCH=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
GIT_VERSION=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
BUILD_TIMESTAMP=$(shell date +%s)
export VER?=0.0.0
help: ## Print this help message.
help: ## This help.
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
build-debug: ## Build for debugging.
export CGO_ENABLED=1
export GCLFAGS='-gcflags="all=-N -l"'
${MAKE} build-base
.DEFAULT_GOAL := help
build: ## Build.
export CGO_ENABLED=0
export LDFLAGS_EXT='-extldflags=-static -s -w'
${MAKE} build-base
# Variables and lists
TS_SUFFIX="$(shell date '+%s')"
GIT_BRANCH="$(shell git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]' | tr '/' '_')"
BUCKET_PATH=static.up9.io/mizu/$(GIT_BRANCH)
build-race: ## Build with -race flag.
export CGO_ENABLED=1
export GCLFAGS='-race'
export LDFLAGS_EXT='-extldflags=-static -s -w'
${MAKE} build-base
ui: ## build UI
@(cd ui; npm i ; npm run build; )
@ls -l ui/build
build-base: ## Build binary (select the platform via GOOS / GOARCH env variables).
go build ${GCLFAGS} -ldflags="${LDFLAGS_EXT} \
-X 'github.com/kubeshark/kubeshark/misc.GitCommitHash=$(COMMIT_HASH)' \
-X 'github.com/kubeshark/kubeshark/misc.Branch=$(GIT_BRANCH)' \
-X 'github.com/kubeshark/kubeshark/misc.BuildTimestamp=$(BUILD_TIMESTAMP)' \
-X 'github.com/kubeshark/kubeshark/misc.Platform=$(SUFFIX)' \
-X 'github.com/kubeshark/kubeshark/misc.Ver=$(VER)'" \
-o bin/kubeshark_$(SUFFIX) kubeshark.go && \
cd bin && shasum -a 256 kubeshark_${SUFFIX} > kubeshark_${SUFFIX}.sha256
cli: # build CLI
@echo "building cli"; cd cli && $(MAKE) build
build-brew: ## Build binary for brew/core CI
go build ${GCLFAGS} -ldflags="${LDFLAGS_EXT} \
-X 'github.com/kubeshark/kubeshark/misc.GitCommitHash=$(COMMIT_HASH)' \
-X 'github.com/kubeshark/kubeshark/misc.Branch=$(GIT_BRANCH)' \
-X 'github.com/kubeshark/kubeshark/misc.BuildTimestamp=$(BUILD_TIMESTAMP)' \
-X 'github.com/kubeshark/kubeshark/misc.Platform=$(SUFFIX)' \
-X 'github.com/kubeshark/kubeshark/misc.Ver=$(VER)'" \
-o kubeshark kubeshark.go
api: ## build API server
@(echo "building API server .." )
@(cd api; go build -o build/apiserver main.go)
@ls -l api/build
build-windows-amd64:
$(MAKE) build GOOS=windows GOARCH=amd64 && \
mv ./bin/kubeshark_windows_amd64 ./bin/kubeshark.exe && \
rm bin/kubeshark_windows_amd64.sha256 && \
cd bin && shasum -a 256 kubeshark.exe > kubeshark.exe.sha256
#tap: ## build tap binary
# @(cd tap; go build -o build/tap ./src)
# @ls -l tap/build
build-all: ## Build for all supported platforms.
export CGO_ENABLED=0
echo "Compiling for every OS and Platform" && \
mkdir -p bin && sed s/_VER_/$(VER)/g RELEASE.md.TEMPLATE > bin/README.md && \
$(MAKE) build GOOS=linux GOARCH=amd64 && \
$(MAKE) build GOOS=linux GOARCH=arm64 && \
$(MAKE) build GOOS=darwin GOARCH=amd64 && \
$(MAKE) build GOOS=darwin GOARCH=arm64 && \
$(MAKE) build-windows-amd64 && \
echo "---------" && \
find ./bin -ls
docker: ## build Docker image
@(echo "building docker image" )
./build-push-featurebranch.sh
clean: ## Clean all build artifacts.
go clean
rm -rf ./bin/*
push: push-docker push-cli ## build and publish Mizu docker image & CLI
test: ## Run cli tests.
@go test ./... -coverpkg=./... -race -coverprofile=coverage.out -covermode=atomic
push-docker:
@echo "publishing Docker image .. "
./build-push-featurebranch.sh
test-integration: ## Run integration tests (requires Kubernetes cluster).
@echo "Running integration tests..."
@LOG_FILE=$$(mktemp /tmp/integration-test.XXXXXX.log); \
go test -tags=integration -timeout $${INTEGRATION_TIMEOUT:-5m} -v ./integration/... 2>&1 | tee $$LOG_FILE; \
status=$$?; \
echo ""; \
echo "========================================"; \
echo " INTEGRATION TEST SUMMARY"; \
echo "========================================"; \
grep -E "^(--- PASS|--- FAIL|--- SKIP)" $$LOG_FILE || true; \
echo "----------------------------------------"; \
pass=$$(grep -c "^--- PASS" $$LOG_FILE 2>/dev/null || true); \
fail=$$(grep -c "^--- FAIL" $$LOG_FILE 2>/dev/null || true); \
skip=$$(grep -c "^--- SKIP" $$LOG_FILE 2>/dev/null || true); \
echo "PASSED: $${pass:-0}"; \
echo "FAILED: $${fail:-0}"; \
echo "SKIPPED: $${skip:-0}"; \
echo "========================================"; \
rm -f $$LOG_FILE; \
exit $$status
push-cli:
@echo "publishing CLI .. "
@cd cli; $(MAKE) build-all
@echo "publishing file ${OUTPUT_FILE} .."
#gsutil mv gs://${BUCKET_PATH}/${OUTPUT_FILE} gs://${BUCKET_PATH}/${OUTPUT_FILE}.${SUFFIX}
gsutil cp -r ./cli/bin/* gs://${BUCKET_PATH}/
gsutil setmeta -r -h "Cache-Control:public, max-age=30" gs://${BUCKET_PATH}/\*
test-integration-mcp: ## Run only MCP integration tests.
@echo "Running MCP integration tests..."
@LOG_FILE=$$(mktemp /tmp/integration-test.XXXXXX.log); \
go test -tags=integration -timeout $${INTEGRATION_TIMEOUT:-5m} -v ./integration/ -run "MCP" 2>&1 | tee $$LOG_FILE; \
status=$$?; \
echo ""; \
echo "========================================"; \
echo " INTEGRATION TEST SUMMARY"; \
echo "========================================"; \
grep -E "^(--- PASS|--- FAIL|--- SKIP)" $$LOG_FILE || true; \
echo "----------------------------------------"; \
pass=$$(grep -c "^--- PASS" $$LOG_FILE 2>/dev/null || true); \
fail=$$(grep -c "^--- FAIL" $$LOG_FILE 2>/dev/null || true); \
skip=$$(grep -c "^--- SKIP" $$LOG_FILE 2>/dev/null || true); \
echo "PASSED: $${pass:-0}"; \
echo "FAILED: $${fail:-0}"; \
echo "SKIPPED: $${skip:-0}"; \
echo "========================================"; \
rm -f $$LOG_FILE; \
exit $$status
test-integration-short: ## Run quick integration tests (skips long-running tests).
@echo "Running quick integration tests..."
@LOG_FILE=$$(mktemp /tmp/integration-test.XXXXXX.log); \
go test -tags=integration -timeout $${INTEGRATION_TIMEOUT:-2m} -short -v ./integration/... 2>&1 | tee $$LOG_FILE; \
status=$$?; \
echo ""; \
echo "========================================"; \
echo " INTEGRATION TEST SUMMARY"; \
echo "========================================"; \
grep -E "^(--- PASS|--- FAIL|--- SKIP)" $$LOG_FILE || true; \
echo "----------------------------------------"; \
pass=$$(grep -c "^--- PASS" $$LOG_FILE 2>/dev/null || true); \
fail=$$(grep -c "^--- FAIL" $$LOG_FILE 2>/dev/null || true); \
skip=$$(grep -c "^--- SKIP" $$LOG_FILE 2>/dev/null || true); \
echo "PASSED: $${pass:-0}"; \
echo "FAILED: $${fail:-0}"; \
echo "SKIPPED: $${skip:-0}"; \
echo "========================================"; \
rm -f $$LOG_FILE; \
exit $$status
clean: clean-ui clean-api clean-cli clean-docker ## Clean all build artifacts
lint: ## Lint the source code.
golangci-lint run
clean-ui:
@(rm -rf ui/build ; echo "UI cleanup done" )
kubectl-view-all-resources: ## This command outputs all Kubernetes resources using YAML format and pipes it to VS Code
./kubectl.sh view-all-resources
clean-api:
@(rm -rf api/build ; echo "api cleanup done" )
kubectl-view-kubeshark-resources: ## This command outputs all Kubernetes resources in "kubeshark" namespace using YAML format and pipes it to VS Code
./kubectl.sh view-kubeshark-resources
clean-cli:
@(cd cli; make clean ; echo "CLI cleanup done" )
generate-helm-values: ## Generate the Helm values from config.yaml
# [ -f ~/.kubeshark/config.yaml ] && mv ~/.kubeshark/config.yaml ~/.kubeshark/config.yaml.old
bin/kubeshark__ config>helm-chart/values.yaml
# [ -f ~/.kubeshark/config.yaml.old ] && mv ~/.kubeshark/config.yaml.old ~/.kubeshark/config.yaml
# sed -i 's/^license:.*/license: ""/' helm-chart/values.yaml && sed -i '1i # find a detailed description here: https://github.com/kubeshark/kubeshark/blob/master/helm-chart/README.md' helm-chart/values.yaml
clean-docker:
@(echo "DOCKER cleanup - NOT IMPLEMENTED YET " )
generate-manifests: ## Generate the manifests from the Helm chart using default configuration
helm template kubeshark -n default ./helm-chart > ./manifests/complete.yaml
logs-sniffer:
export LOGS_POD_PREFIX=kubeshark-worker-
export LOGS_CONTAINER='-c sniffer'
export LOGS_FOLLOW=
${MAKE} logs
logs-sniffer-follow:
export LOGS_POD_PREFIX=kubeshark-worker-
export LOGS_CONTAINER='-c sniffer'
export LOGS_FOLLOW=--follow
${MAKE} logs
logs-tracer:
export LOGS_POD_PREFIX=kubeshark-worker-
export LOGS_CONTAINER='-c tracer'
export LOGS_FOLLOW=
${MAKE} logs
logs-tracer-follow:
export LOGS_POD_PREFIX=kubeshark-worker-
export LOGS_CONTAINER='-c tracer'
export LOGS_FOLLOW=--follow
${MAKE} logs
logs-worker: logs-sniffer
logs-worker-follow: logs-sniffer-follow
logs-hub:
export LOGS_POD_PREFIX=kubeshark-hub
export LOGS_FOLLOW=
${MAKE} logs
logs-hub-follow:
export LOGS_POD_PREFIX=kubeshark-hub
export LOGS_FOLLOW=--follow
${MAKE} logs
logs-front:
export LOGS_POD_PREFIX=kubeshark-front
export LOGS_FOLLOW=
${MAKE} logs
logs-front-follow:
export LOGS_POD_PREFIX=kubeshark-front
export LOGS_FOLLOW=--follow
${MAKE} logs
logs:
kubectl logs $$(kubectl get pods | awk '$$1 ~ /^$(LOGS_POD_PREFIX)/' | awk 'END {print $$1}') $(LOGS_CONTAINER) $(LOGS_FOLLOW)
ssh-node:
kubectl ssh node $$(kubectl get nodes | awk 'END {print $$1}')
exec-worker:
export EXEC_POD_PREFIX=kubeshark-worker-
${MAKE} exec
exec-hub:
export EXEC_POD_PREFIX=kubeshark-hub
${MAKE} exec
exec-front:
export EXEC_POD_PREFIX=kubeshark-front
${MAKE} exec
exec:
kubectl exec --stdin --tty $$(kubectl get pods | awk '$$1 ~ /^$(EXEC_POD_PREFIX)/' | awk 'END {print $$1}') -- /bin/sh
helm-install:
cd helm-chart && helm install kubeshark . --set tap.docker.tag=$(TAG) && cd ..
helm-install-debug:
cd helm-chart && helm install kubeshark . --set tap.docker.tag=$(TAG) --set tap.debug=true && cd ..
helm-install-profile:
cd helm-chart && helm install kubeshark . --set tap.docker.tag=$(TAG) --set tap.pprof.enabled=true && cd ..
helm-uninstall:
helm uninstall kubeshark
proxy:
kubeshark proxy
port-forward:
kubectl port-forward $$(kubectl get pods | awk '$$1 ~ /^$(POD_PREFIX)/' | awk 'END {print $$1}') $(SRC_PORT):$(DST_PORT)
release:
@cd ../worker && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
@cd ../tracer && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
@cd ../hub && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
@cd ../front && git checkout master && git pull && git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
@cd ../kubeshark && git checkout master && git pull && sed -i "s/^version:.*/version: \"$(shell echo $(VERSION) | sed -E 's/^([0-9]+\.[0-9]+\.[0-9]+)\..*/\1/')\"/" helm-chart/Chart.yaml && make
@if [ "$(shell uname)" = "Darwin" ]; then \
codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime ./bin/kubeshark__; \
fi
@make generate-helm-values && make generate-manifests
@git add -A . && git commit -m ":bookmark: Bump the Helm chart version to $(VERSION)" && git push
@git tag -d v$(VERSION); git tag v$(VERSION) && git push origin --tags
@rm -rf ../kubeshark.github.io/charts/chart && mkdir ../kubeshark.github.io/charts/chart && cp -r helm-chart/ ../kubeshark.github.io/charts/chart/
@cd ../kubeshark.github.io/ && git add -A . && git commit -m ":sparkles: Update the Helm chart" && git push
@cd ../kubeshark
release-dry-run:
@cd ../worker && git checkout master && git pull
@cd ../tracer && git checkout master && git pull
@cd ../hub && git checkout master && git pull
@cd ../front && git checkout master && git pull
@cd ../kubeshark && sed -i "s/^version:.*/version: \"$(shell echo $(VERSION) | sed -E 's/^([0-9]+\.[0-9]+\.[0-9]+)\..*/\1/')\"/" helm-chart/Chart.yaml && make
@if [ "$(shell uname)" = "Darwin" ]; then \
codesign --sign - --force --preserve-metadata=entitlements,requirements,flags,runtime ./bin/kubeshark__; \
fi
@make generate-helm-values && make generate-manifests
@rm -rf ../kubeshark.github.io/charts/chart && mkdir ../kubeshark.github.io/charts/chart && cp -r helm-chart/ ../kubeshark.github.io/charts/chart/
@cd ../kubeshark.github.io/
@cd ../kubeshark
branch:
@cd ../worker && git checkout master && git pull && git checkout -b $(name); git push --set-upstream origin $(name)
@cd ../hub && git checkout master && git pull && git checkout -b $(name); git push --set-upstream origin $(name)
@cd ../front && git checkout master && git pull && git checkout -b $(name); git push --set-upstream origin $(name)
switch-to-branch:
@cd ../worker && git checkout $(name)
@cd ../hub && git checkout $(name)
@cd ../front && git checkout $(name)

174
README.md
View File

@@ -1,132 +1,70 @@
<p align="center">
<img src="https://raw.githubusercontent.com/kubeshark/assets/master/svg/kubeshark-logo.svg" alt="Kubeshark" height="120px"/>
</p>
# 水 mizu
A simple-yet-powerful API traffic viewer for Kubernetes to help you troubleshoot and debug your microservices. Think TCPDump and Chrome Dev Tools combined.
<p align="center">
<a href="https://github.com/kubeshark/kubeshark/releases/latest"><img alt="Release" src="https://img.shields.io/github/v/release/kubeshark/kubeshark?logo=GitHub&style=flat-square"></a>
<a href="https://hub.docker.com/r/kubeshark/worker"><img alt="Docker pulls" src="https://img.shields.io/docker/pulls/kubeshark/worker?color=%23099cec&logo=Docker&style=flat-square"></a>
<a href="https://discord.gg/WkvRGMUcx7"><img alt="Discord" src="https://img.shields.io/discord/1042559155224973352?logo=Discord&style=flat-square&label=discord"></a>
<a href="https://join.slack.com/t/kubeshark/shared_invite/zt-3jdcdgxdv-1qNkhBh9c6CFoE7bSPkpBQ"><img alt="Slack" src="https://img.shields.io/badge/slack-join_chat-green?logo=Slack&style=flat-square"></a>
</p>
## Download
<p align="center"><b>Network Intelligence for Kubernetes</b></p>
Download `mizu` for your platform and operating system
<p align="center">
<a href="https://demo.kubeshark.com/">Live Demo</a> · <a href="https://docs.kubeshark.com">Docs</a>
</p>
### Latest stable release
---
* for MacOS - Intel
```
curl -Lo mizu \
https://github.com/up9inc/mizu/releases/latest/download/mizu_darwin_amd64 \
&& chmod 755 mizu
```
* for Linux - Intel 64bit
```
curl -Lo mizu \
https://github.com/up9inc/mizu/releases/latest/download/mizu_linux_amd64 \
&& chmod 755 mizu
```
* **Cluster-wide, real-time visibility into every packet, API call, and service interaction.**
* Replay any moment in time.
* Resolve incidents at the speed of LLMs. 100% on-premises.
SHA256 checksums are available on the [Releases](https://github.com/up9inc/mizu/releases) page.
![Kubeshark](https://github.com/kubeshark/assets/raw/master/png/stream.png)
### Development (unstable) build
Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
---
## How to run
## Get Started
1. Find pod you'd like to tap to in your Kubernetes cluster
2. Run `mizu tap PODNAME` or `mizu tap REGEX`
3. Open browser on `http://localhost:8899` as instructed ..
4. Watch the WebAPI traffic flowing ..
5. Type ^C to stop
```bash
helm repo add kubeshark https://helm.kubeshark.com
helm install kubeshark kubeshark/kubeshark
## Examples
Run `mizu help` for usage options
To tap specific pod -
```
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
front-end-649fc5fd6-kqbtn 2/2 Running 0 7m
..
$ mizu tap front-end-649fc5fd6-kqbtn
+front-end-649fc5fd6-kqbtn
Web interface is now available at http://localhost:8899
^C
```
Dashboard opens automatically. You're capturing traffic.
To tap multiple pods using regex -
```
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
carts-66c77f5fbb-fq65r 2/2 Running 0 20m
catalogue-5f4cb7cf5-7zrmn 2/2 Running 0 20m
front-end-649fc5fd6-kqbtn 2/2 Running 0 20m
..
**With AI** — connect your assistant and debug with natural language:
```bash
brew install kubeshark
claude mcp add kubeshark -- kubeshark mcp
$ mizu tap "^ca.*"
+carts-66c77f5fbb-fq65r
+catalogue-5f4cb7cf5-7zrmn
Web interface is now available at http://localhost:8899
^C
```
> *"Why did checkout fail at 2:15 PM?"*
> *"Which services have error rates above 1%?"*
[MCP setup guide →](https://docs.kubeshark.com/en/mcp)
---
## Why Kubeshark
- **Instant root cause** — trace requests across services, see exact errors
- **Zero instrumentation** — no code changes, no SDKs, just deploy
- **Full payload capture** — request/response bodies, headers, timing
- **TLS decryption** — see encrypted traffic without managing keys
- **AI-ready** — query traffic with natural language via MCP
---
### Traffic Analysis and API Dissection
Capture and inspect every API call across your cluster—HTTP, gRPC, Redis, Kafka, DNS, and more. Request/response matching with full payloads, parsed according to protocol specifications. Headers, timing, and complete context. Zero instrumentation required.
![API context](https://github.com/kubeshark/assets/raw/master/png/api_context.png)
[Learn more →](https://docs.kubeshark.com/en/v2/l7_api_dissection)
### L4/L7 Workload Map
Visualize how your services communicate. See dependencies, traffic flow, and identify anomalies at a glance.
![Service Map](https://github.com/kubeshark/assets/raw/master/png/servicemap.png)
[Learn more →](https://docs.kubeshark.com/en/v2/service_map)
### AI-Powered Root Cause Analysis
Resolve production issues in minutes instead of hours. Connect your AI assistant and investigate incidents using natural language. Build network-aware AI agents for forensics, monitoring, compliance, and security.
> *"Why did checkout fail at 2:15 PM?"*
> *"Which services have error rates above 1%?"*
> *"Trace request abc123 through all services"*
Works with Claude Code, Cursor, and any MCP-compatible AI.
[MCP setup guide →](https://docs.kubeshark.com/en/mcp)
### Traffic Retention
Retain every packet. Take snapshots. Export PCAP files. Replay any moment in time.
![Traffic Retention](https://github.com/kubeshark/assets/raw/master/png/snapshots.png)
[Snapshots guide →](https://docs.kubeshark.com/en/v2/traffic_snapshots)
---
## Features
| Feature | Description |
|---------|-------------|
| [**Raw Capture**](https://docs.kubeshark.com/en/v2/raw_capture) | Continuous cluster-wide packet capture with minimal overhead |
| [**Traffic Snapshots**](https://docs.kubeshark.com/en/v2/traffic_snapshots) | Point-in-time snapshots, export as PCAP for Wireshark |
| [**L7 API Dissection**](https://docs.kubeshark.com/en/v2/l7_api_dissection) | Request/response matching with full payloads and protocol parsing |
| [**Protocol Support**](https://docs.kubeshark.com/en/protocols) | HTTP, gRPC, GraphQL, Redis, Kafka, DNS, and more |
| [**TLS Decryption**](https://docs.kubeshark.com/en/encrypted_traffic) | eBPF-based decryption without key management |
| [**AI-Powered Analysis**](https://docs.kubeshark.com/en/v2/ai_powered_analysis) | Query traffic with Claude, Cursor, or any MCP-compatible AI |
| [**Display Filters**](https://docs.kubeshark.com/en/v2/kfl2) | Wireshark-inspired display filters for precise traffic analysis |
| [**100% On-Premises**](https://docs.kubeshark.com/en/air_gapped) | Air-gapped support, no external dependencies |
---
## Install
| Method | Command |
|--------|---------|
| Helm | `helm repo add kubeshark https://helm.kubeshark.com && helm install kubeshark kubeshark/kubeshark` |
| Homebrew | `brew install kubeshark && kubeshark tap` |
| Binary | [Download](https://github.com/kubeshark/kubeshark/releases/latest) |
[Installation guide →](https://docs.kubeshark.com/en/install)
---
## Contributing
We welcome contributions. See [CONTRIBUTING.md](CONTRIBUTING.md).
## License
[Apache-2.0](LICENSE)

View File

@@ -1,35 +0,0 @@
# Kubeshark release _VER_
Release notes coming soon ..
## Download Kubeshark for your platform
**Mac** (x86-64/Intel)
```
curl -Lo kubeshark https://github.com/kubeshark/kubeshark/releases/download/_VER_/kubeshark_darwin_amd64 && chmod 755 kubeshark
```
**Mac** (AArch64/Apple M1 silicon)
```
curl -Lo kubeshark https://github.com/kubeshark/kubeshark/releases/download/_VER_/kubeshark_darwin_arm64 && chmod 755 kubeshark
```
**Linux** (x86-64)
```
curl -Lo kubeshark https://github.com/kubeshark/kubeshark/releases/download/_VER_/kubeshark_linux_amd64 && chmod 755 kubeshark
```
**Linux** (AArch64)
```
curl -Lo kubeshark https://github.com/kubeshark/kubeshark/releases/download/_VER_/kubeshark_linux_arm64 && chmod 755 kubeshark
```
**Windows** (x86-64)
```
curl -LO https://github.com/kubeshark/kubeshark/releases/download/_VER_/kubeshark.exe
```
### Checksums
SHA256 checksums available for compiled binaries.
Run `shasum -a 256 -c kubeshark_OS_ARCH.sha256` to verify.

20
api/README.md Normal file
View File

@@ -0,0 +1,20 @@
# mizu API server
API server for MIZU
Basic APIs:
* /fetch - retrieve traffic data
* /stats - retrieve statistics of collected data
* /viewer - web ui
## Remote Debugging
### Setup remote debugging
1. Run `go get github.com/go-delve/delve/cmd/dlv`
2. Create a "Go Remote" run/debug configuration in Intellij, set to localhost:2345
3. Build and push a debug image using
`docker build . -t gcr.io/up9-docker-hub/mizu/debug:latest -f debug.Dockerfile && docker push gcr.io/up9-docker-hub/mizu/debug:latest`
### Connecting
1. Start mizu using the cli with the debug image `mizu tap --mizu-image gcr.io/up9-docker-hub/mizu/debug:latest {tapped_pod_name}`
2. Forward the debug port using `kubectl port-forward -n default mizu-collector 2345:2345`
3. Run the run/debug configuration you've created earlier in Intellij.
<small>Do note that dlv won't start the api until a debugger connects to it.</small>

31
api/go.mod Normal file
View File

@@ -0,0 +1,31 @@
module mizuserver
go 1.16
require (
github.com/antoniodipinto/ikisocket v0.0.0-20210417133349-f1502512d69a
github.com/beevik/etree v1.1.0
github.com/djherbis/atime v1.0.0
github.com/fasthttp/websocket v1.4.3-beta.1 // indirect
github.com/go-playground/locales v0.13.0
github.com/go-playground/universal-translator v0.17.0
github.com/go-playground/validator/v10 v10.5.0
github.com/gofiber/fiber/v2 v2.8.0
github.com/google/martian v2.1.0+incompatible
github.com/gorilla/websocket v1.4.2
github.com/leodido/go-urn v1.2.1 // indirect
github.com/romana/rlog v0.0.0-20171115192701-f018bc92e7d7
github.com/up9inc/mizu/shared v0.0.0
github.com/up9inc/mizu/tap v0.0.0
go.mongodb.org/mongo-driver v1.5.1
gorm.io/driver/sqlite v1.1.4
gorm.io/gorm v1.21.8
k8s.io/api v0.21.0
k8s.io/apimachinery v0.21.0
k8s.io/client-go v0.21.0
github.com/fsnotify/fsnotify v1.4.9
)
replace github.com/up9inc/mizu/shared v0.0.0 => ../shared
replace github.com/up9inc/mizu/tap v0.0.0 => ../tap

597
api/go.sum Normal file
View File

@@ -0,0 +1,597 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Azure/go-autorest/autorest v0.11.12 h1:gI8ytXbxMfI+IVbI9mP2JGCTXIuhHLgRlvQ9X4PsnHE=
github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
github.com/Azure/go-autorest/autorest/adal v0.9.5 h1:Y3bBUV4rTuxenJJs41HU3qmqsb+auo+a3Lz+PlJPpL0=
github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
github.com/Azure/go-autorest/autorest/mocks v0.4.1 h1:K0laFcLE6VLTOwNgSxaGbUcLPuGXlNkbVvq4cW4nIHk=
github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
github.com/Azure/go-autorest/logger v0.2.0 h1:e4RVHVZKC5p6UANLJHkM4OfR1UKZPj8Wt8Pcx+3oqrE=
github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
github.com/andybalholm/brotli v1.0.1 h1:KqhlKozYbRtJvsPrrEeXcO+N2l6NYT5A2QAFmSULpEc=
github.com/andybalholm/brotli v1.0.1/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
github.com/antoniodipinto/ikisocket v0.0.0-20210417133349-f1502512d69a h1:76llBleIE3fkdqaJFDzdirtiYhQPdIQem8H8r2iwA1Q=
github.com/antoniodipinto/ikisocket v0.0.0-20210417133349-f1502512d69a/go.mod h1:QvDfsDQDmGxUsvEeWabVZ5pp2FMXpOkwQV0L6SE6cp0=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
github.com/beevik/etree v1.1.0 h1:T0xke/WvNtMoCqgzPhkX2r4rjY3GDZFi+FjpRZY2Jbs=
github.com/beevik/etree v1.1.0/go.mod h1:r8Aw8JqVegEf0w2fDnATrX9VpkMcyFeM0FhwO62wh+A=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/djherbis/atime v1.0.0 h1:ySLvBAM0EvOGaX7TI4dAM5lWj+RdJUCKtGSEHN8SGBg=
github.com/djherbis/atime v1.0.0/go.mod h1:5W+KBIuTwVGcqjIfaTwt+KSYX1o6uep8dtevevQP/f8=
github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/fasthttp/websocket v1.4.2/go.mod h1:smsv/h4PBEBaU0XDTY5UwJTpZv69fQ0FfcLJr21mA6Y=
github.com/fasthttp/websocket v1.4.3-beta.1 h1:stc4P2aoxYKsdmbe1AJ5mAm73Fxc1NOgrZpPftvZIXQ=
github.com/fasthttp/websocket v1.4.3-beta.1/go.mod h1:JGrgLaT02bL9NuJkZbHN8mVV2tkCJZQh7yJ5/XCXO2g=
github.com/form3tech-oss/jwt-go v3.2.2+incompatible h1:TcekIExNqud5crz4xD2pavyTgWiPvpYe4Xau31I0PRk=
github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
github.com/go-logr/logr v0.4.0 h1:K7/B1jt6fIBQVd4Owv2MqGQClcgf0R266+7C/QjRcLc=
github.com/go-logr/logr v0.4.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc=
github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8=
github.com/go-openapi/spec v0.19.3/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo=
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github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
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github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
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github.com/klauspost/compress v1.11.13 h1:eSvu8Tmq6j2psUJqJrLcWH6K3w5Dwc+qipbaA6eVEN4=
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github.com/klauspost/cpuid v1.2.1/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
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github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
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rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
sigs.k8s.io/structured-merge-diff/v4 v4.1.0 h1:C4r9BgJ98vrKnnVCjwCSXcWjWe0NKcUQkmzDXZXGwH8=
sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

191
api/main.go Normal file
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package main
import (
"encoding/json"
"flag"
"fmt"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/cors"
"github.com/gorilla/websocket"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"mizuserver/pkg/api"
"mizuserver/pkg/middleware"
"mizuserver/pkg/models"
"mizuserver/pkg/routes"
"mizuserver/pkg/sensitiveDataFiltering"
"mizuserver/pkg/utils"
"mizuserver/pkg/version"
"os"
"os/signal"
"strings"
)
var shouldTap = flag.Bool("tap", false, "Run in tapper mode without API")
var aggregator = flag.Bool("aggregator", false, "Run in aggregator mode with API")
var standalone = flag.Bool("standalone", false, "Run in standalone tapper and API mode")
var aggregatorAddress = flag.String("aggregator-address", "", "Address of mizu collector for tapping")
func main() {
rlog.Infof("Version parameters are: %s %s %s %s", version.Branch, version.SemVer, version.GitCommitHash, version.BuildTimestamp)
flag.Parse()
hostMode := os.Getenv(shared.HostModeEnvVar) == "1"
tapOpts := &tap.TapOpts{HostMode: hostMode}
if !*shouldTap && !*aggregator && !*standalone {
panic("One of the flags --tap, --api or --standalone must be provided")
}
if *standalone {
harOutputChannel, outboundLinkOutputChannel := tap.StartPassiveTapper(tapOpts)
filteredHarChannel := make(chan *tap.OutputChannelItem)
go filterHarItems(harOutputChannel, filteredHarChannel, getTrafficFilteringOptions())
go api.StartReadingEntries(filteredHarChannel, nil)
go api.StartReadingOutbound(outboundLinkOutputChannel)
hostApi(nil)
} else if *shouldTap {
if *aggregatorAddress == "" {
panic("Aggregator address must be provided with --aggregator-address when using --tap")
}
tapTargets := getTapTargets()
if tapTargets != nil {
tap.SetFilterAuthorities(tapTargets)
rlog.Infof("Filtering for the following authorities: %v", tap.GetFilterIPs())
}
harOutputChannel, outboundLinkOutputChannel := tap.StartPassiveTapper(tapOpts)
socketConnection, err := shared.ConnectToSocketServer(*aggregatorAddress, shared.DEFAULT_SOCKET_RETRIES, shared.DEFAULT_SOCKET_RETRY_SLEEP_TIME, false)
if err != nil {
panic(fmt.Sprintf("Error connecting to socket server at %s %v", *aggregatorAddress, err))
}
go pipeChannelToSocket(socketConnection, harOutputChannel)
go api.StartReadingOutbound(outboundLinkOutputChannel)
} else if *aggregator {
socketHarOutChannel := make(chan *tap.OutputChannelItem, 1000)
filteredHarChannel := make(chan *tap.OutputChannelItem)
go filterHarItems(socketHarOutChannel, filteredHarChannel, getTrafficFilteringOptions())
go api.StartReadingEntries(filteredHarChannel, nil)
hostApi(socketHarOutChannel)
}
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, os.Interrupt)
<-signalChan
rlog.Info("Exiting")
}
func hostApi(socketHarOutputChannel chan<- *tap.OutputChannelItem) {
app := fiber.New()
app.Use(cors.New(cors.Config{
AllowOrigins: "*",
AllowMethods: "*",
AllowHeaders: "*",
}))
middleware.FiberMiddleware(app) // Register Fiber's middleware for app.
app.Static("/", "./site")
//Simple route to know server is running
app.Get("/echo", func(c *fiber.Ctx) error {
return c.SendString("Hello, World 👋!")
})
eventHandlers := api.RoutesEventHandlers{
SocketHarOutChannel: socketHarOutputChannel,
}
routes.WebSocketRoutes(app, &eventHandlers)
routes.EntriesRoutes(app)
routes.MetadataRoutes(app)
routes.NotFoundRoute(app)
utils.StartServer(app)
}
func getTapTargets() []string {
nodeName := os.Getenv(shared.NodeNameEnvVar)
var tappedAddressesPerNodeDict map[string][]string
err := json.Unmarshal([]byte(os.Getenv(shared.TappedAddressesPerNodeDictEnvVar)), &tappedAddressesPerNodeDict)
if err != nil {
panic(fmt.Sprintf("env var %s's value of %s is invalid! must be map[string][]string %v", shared.TappedAddressesPerNodeDictEnvVar, tappedAddressesPerNodeDict, err))
}
return tappedAddressesPerNodeDict[nodeName]
}
func getTrafficFilteringOptions() *shared.TrafficFilteringOptions {
filteringOptionsJson := os.Getenv(shared.MizuFilteringOptionsEnvVar)
if filteringOptionsJson == "" {
return nil
}
var filteringOptions shared.TrafficFilteringOptions
err := json.Unmarshal([]byte(filteringOptionsJson), &filteringOptions)
if err != nil {
panic(fmt.Sprintf("env var %s's value of %s is invalid! json must match the shared.TrafficFilteringOptions struct %v", shared.MizuFilteringOptionsEnvVar, filteringOptionsJson, err))
}
return &filteringOptions
}
var userAgentsToFilter = []string{"kube-probe", "prometheus"}
func filterHarItems(inChannel <-chan *tap.OutputChannelItem, outChannel chan *tap.OutputChannelItem, filterOptions *shared.TrafficFilteringOptions) {
for message := range inChannel {
if message.ConnectionInfo.IsOutgoing && api.CheckIsServiceIP(message.ConnectionInfo.ServerIP) {
continue
}
// TODO: move this to tappers https://up9.atlassian.net/browse/TRA-3441
if filterOptions.HideHealthChecks && isHealthCheckByUserAgent(message) {
continue
}
sensitiveDataFiltering.FilterSensitiveInfoFromHarRequest(message, filterOptions)
outChannel <- message
}
}
func isHealthCheckByUserAgent(message *tap.OutputChannelItem) bool {
for _, header := range message.HarEntry.Request.Headers {
if strings.ToLower(header.Name) == "user-agent" {
for _, userAgent := range userAgentsToFilter {
if strings.Contains(strings.ToLower(header.Value), userAgent) {
return true
}
}
return false
}
}
return false
}
func pipeChannelToSocket(connection *websocket.Conn, messageDataChannel <-chan *tap.OutputChannelItem) {
if connection == nil {
panic("Websocket connection is nil")
}
if messageDataChannel == nil {
panic("Channel of captured messages is nil")
}
for messageData := range messageDataChannel {
marshaledData, err := models.CreateWebsocketTappedEntryMessage(messageData)
if err != nil {
rlog.Infof("error converting message to json %s, (%v,%+v)\n", err, err, err)
continue
}
err = connection.WriteMessage(websocket.TextMessage, marshaledData)
if err != nil {
rlog.Infof("error sending message through socket server %s, (%v,%+v)\n", err, err, err)
continue
}
}
}

201
api/pkg/api/main.go Normal file
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package api
import (
"bufio"
"context"
"encoding/json"
"fmt"
"github.com/google/martian/har"
"github.com/romana/rlog"
"github.com/up9inc/mizu/tap"
"go.mongodb.org/mongo-driver/bson/primitive"
"mizuserver/pkg/holder"
"net/url"
"os"
"path"
"sort"
"strings"
"time"
"mizuserver/pkg/database"
"mizuserver/pkg/models"
"mizuserver/pkg/resolver"
"mizuserver/pkg/utils"
)
var k8sResolver *resolver.Resolver
func init() {
errOut := make(chan error, 100)
res, err := resolver.NewFromInCluster(errOut)
if err != nil {
rlog.Infof("error creating k8s resolver %s", err)
return
}
ctx := context.Background()
res.Start(ctx)
go func() {
for {
select {
case err := <-errOut:
rlog.Infof("name resolving error %s", err)
}
}
}()
k8sResolver = res
holder.SetResolver(res)
}
func StartReadingEntries(harChannel <-chan *tap.OutputChannelItem, workingDir *string) {
if workingDir != nil && *workingDir != "" {
startReadingFiles(*workingDir)
} else {
startReadingChannel(harChannel)
}
}
func startReadingFiles(workingDir string) {
err := os.MkdirAll(workingDir, os.ModePerm)
utils.CheckErr(err)
for true {
dir, _ := os.Open(workingDir)
dirFiles, _ := dir.Readdir(-1)
var harFiles []os.FileInfo
for _, fileInfo := range dirFiles {
if strings.HasSuffix(fileInfo.Name(), ".har") {
harFiles = append(harFiles, fileInfo)
}
}
sort.Sort(utils.ByModTime(harFiles))
if len(harFiles) == 0 {
rlog.Infof("Waiting for new files\n")
time.Sleep(3 * time.Second)
continue
}
fileInfo := harFiles[0]
inputFilePath := path.Join(workingDir, fileInfo.Name())
file, err := os.Open(inputFilePath)
utils.CheckErr(err)
var inputHar har.HAR
decErr := json.NewDecoder(bufio.NewReader(file)).Decode(&inputHar)
utils.CheckErr(decErr)
for _, entry := range inputHar.Log.Entries {
time.Sleep(time.Millisecond * 250)
connectionInfo := &tap.ConnectionInfo{
ClientIP: fileInfo.Name(),
ClientPort: "",
ServerIP: "",
ServerPort: "",
IsOutgoing: false,
}
saveHarToDb(entry, connectionInfo)
}
rmErr := os.Remove(inputFilePath)
utils.CheckErr(rmErr)
}
}
func startReadingChannel(outputItems <-chan *tap.OutputChannelItem) {
if outputItems == nil {
panic("Channel of captured messages is nil")
}
for item := range outputItems {
saveHarToDb(item.HarEntry, item.ConnectionInfo)
}
}
func StartReadingOutbound(outboundLinkChannel <-chan *tap.OutboundLink) {
// tcpStreamFactory will block on write to channel. Empty channel to unblock.
// TODO: Make write to channel optional.
for range outboundLinkChannel {
}
}
func saveHarToDb(entry *har.Entry, connectionInfo *tap.ConnectionInfo) {
entryBytes, _ := json.Marshal(entry)
serviceName, urlPath := getServiceNameFromUrl(entry.Request.URL)
entryId := primitive.NewObjectID().Hex()
var (
resolvedSource string
resolvedDestination string
)
if k8sResolver != nil {
unresolvedSource := connectionInfo.ClientIP
resolvedSource = k8sResolver.Resolve(unresolvedSource)
if resolvedSource == "" {
rlog.Debugf("Cannot find resolved name to source: %s\n", unresolvedSource)
if os.Getenv("SKIP_NOT_RESOLVED_SOURCE") == "1" {
return
}
}
unresolvedDestination := fmt.Sprintf("%s:%s", connectionInfo.ServerIP, connectionInfo.ServerPort)
resolvedDestination = k8sResolver.Resolve(unresolvedDestination)
if resolvedDestination == "" {
rlog.Debugf("Cannot find resolved name to dest: %s\n", unresolvedDestination)
if os.Getenv("SKIP_NOT_RESOLVED_DEST") == "1" {
return
}
}
}
mizuEntry := models.MizuEntry{
EntryId: entryId,
Entry: string(entryBytes), // simple way to store it and not convert to bytes
Service: serviceName,
Url: entry.Request.URL,
Path: urlPath,
Method: entry.Request.Method,
Status: entry.Response.Status,
RequestSenderIp: connectionInfo.ClientIP,
Timestamp: entry.StartedDateTime.UnixNano() / int64(time.Millisecond),
ResolvedSource: resolvedSource,
ResolvedDestination: resolvedDestination,
IsOutgoing: connectionInfo.IsOutgoing,
}
mizuEntry.EstimatedSizeBytes = getEstimatedEntrySizeBytes(mizuEntry)
database.CreateEntry(&mizuEntry)
baseEntry := models.BaseEntryDetails{}
if err := models.GetEntry(&mizuEntry, &baseEntry); err != nil {
return
}
baseEntryBytes, _ := models.CreateBaseEntryWebSocketMessage(&baseEntry)
broadcastToBrowserClients(baseEntryBytes)
}
func getServiceNameFromUrl(inputUrl string) (string, string) {
parsed, err := url.Parse(inputUrl)
utils.CheckErr(err)
return fmt.Sprintf("%s://%s", parsed.Scheme, parsed.Host), parsed.Path
}
func CheckIsServiceIP(address string) bool {
return k8sResolver.CheckIsServiceIP(address)
}
// gives a rough estimate of the size this will take up in the db, good enough for maintaining db size limit accurately
func getEstimatedEntrySizeBytes(mizuEntry models.MizuEntry) int {
sizeBytes := len(mizuEntry.Entry)
sizeBytes += len(mizuEntry.EntryId)
sizeBytes += len(mizuEntry.Service)
sizeBytes += len(mizuEntry.Url)
sizeBytes += len(mizuEntry.Method)
sizeBytes += len(mizuEntry.RequestSenderIp)
sizeBytes += len(mizuEntry.ResolvedDestination)
sizeBytes += len(mizuEntry.ResolvedSource)
sizeBytes += 8 // Status bytes (sqlite integer is always 8 bytes)
sizeBytes += 8 // Timestamp bytes
sizeBytes += 8 // SizeBytes bytes
sizeBytes += 1 // IsOutgoing bytes
return sizeBytes
}

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package api
import (
"encoding/json"
"github.com/antoniodipinto/ikisocket"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"mizuserver/pkg/controllers"
"mizuserver/pkg/models"
"mizuserver/pkg/routes"
"mizuserver/pkg/up9"
)
var browserClientSocketUUIDs = make([]string, 0)
type RoutesEventHandlers struct {
routes.EventHandlers
SocketHarOutChannel chan<- *tap.OutputChannelItem
}
func init() {
go up9.UpdateAnalyzeStatus(broadcastToBrowserClients)
}
func (h *RoutesEventHandlers) WebSocketConnect(ep *ikisocket.EventPayload) {
if ep.Kws.GetAttribute("is_tapper") == true {
rlog.Infof("Websocket Connection event - Tapper connected: %s", ep.SocketUUID)
} else {
rlog.Infof("Websocket Connection event - Browser socket connected: %s", ep.SocketUUID)
browserClientSocketUUIDs = append(browserClientSocketUUIDs, ep.SocketUUID)
}
}
func (h *RoutesEventHandlers) WebSocketDisconnect(ep *ikisocket.EventPayload) {
if ep.Kws.GetAttribute("is_tapper") == true {
rlog.Infof("Disconnection event - Tapper connected: %s", ep.SocketUUID)
} else {
rlog.Infof("Disconnection event - Browser socket connected: %s", ep.SocketUUID)
removeSocketUUIDFromBrowserSlice(ep.SocketUUID)
}
}
func broadcastToBrowserClients(message []byte) {
ikisocket.EmitToList(browserClientSocketUUIDs, message)
}
func (h *RoutesEventHandlers) WebSocketClose(ep *ikisocket.EventPayload) {
if ep.Kws.GetAttribute("is_tapper") == true {
rlog.Infof("Websocket Close event - Tapper connected: %s", ep.SocketUUID)
} else {
rlog.Infof("Websocket Close event - Browser socket connected: %s", ep.SocketUUID)
removeSocketUUIDFromBrowserSlice(ep.SocketUUID)
}
}
func (h *RoutesEventHandlers) WebSocketError(ep *ikisocket.EventPayload) {
rlog.Infof("Socket error - Socket uuid : %s %v", ep.SocketUUID, ep.Error)
}
func (h *RoutesEventHandlers) WebSocketMessage(ep *ikisocket.EventPayload) {
var socketMessageBase shared.WebSocketMessageMetadata
err := json.Unmarshal(ep.Data, &socketMessageBase)
if err != nil {
rlog.Infof("Could not unmarshal websocket message %v\n", err)
} else {
switch socketMessageBase.MessageType {
case shared.WebSocketMessageTypeTappedEntry:
var tappedEntryMessage models.WebSocketTappedEntryMessage
err := json.Unmarshal(ep.Data, &tappedEntryMessage)
if err != nil {
rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
} else {
h.SocketHarOutChannel <- tappedEntryMessage.Data
}
case shared.WebSocketMessageTypeUpdateStatus:
var statusMessage shared.WebSocketStatusMessage
err := json.Unmarshal(ep.Data, &statusMessage)
if err != nil {
rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
} else {
controllers.TapStatus = statusMessage.TappingStatus
broadcastToBrowserClients(ep.Data)
}
default:
rlog.Infof("Received socket message of type %s for which no handlers are defined", socketMessageBase.MessageType)
}
}
}
func removeSocketUUIDFromBrowserSlice(uuidToRemove string) {
newUUIDSlice := make([]string, 0, len(browserClientSocketUUIDs))
for _, uuid := range browserClientSocketUUIDs {
if uuid != uuidToRemove {
newUUIDSlice = append(newUUIDSlice, uuid)
}
}
browserClientSocketUUIDs = newUUIDSlice
}

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@@ -0,0 +1,238 @@
package controllers
import (
"encoding/json"
"fmt"
"github.com/gofiber/fiber/v2"
"github.com/google/martian/har"
"github.com/romana/rlog"
"mizuserver/pkg/database"
"mizuserver/pkg/models"
"mizuserver/pkg/up9"
"mizuserver/pkg/utils"
"mizuserver/pkg/validation"
"strings"
"time"
)
func GetEntries(c *fiber.Ctx) error {
entriesFilter := &models.EntriesFilter{}
if err := c.QueryParser(entriesFilter); err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
err := validation.Validate(entriesFilter)
if err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
order := database.OperatorToOrderMapping[entriesFilter.Operator]
operatorSymbol := database.OperatorToSymbolMapping[entriesFilter.Operator]
var entries []models.MizuEntry
database.GetEntriesTable().
Order(fmt.Sprintf("timestamp %s", order)).
Where(fmt.Sprintf("timestamp %s %v", operatorSymbol, entriesFilter.Timestamp)).
Omit("entry"). // remove the "big" entry field
Limit(entriesFilter.Limit).
Find(&entries)
if len(entries) > 0 && order == database.OrderDesc {
// the entries always order from oldest to newest so we should revers
utils.ReverseSlice(entries)
}
baseEntries := make([]models.BaseEntryDetails, 0)
for _, data := range entries {
harEntry := models.BaseEntryDetails{}
if err := models.GetEntry(&data, &harEntry); err != nil {
continue
}
baseEntries = append(baseEntries, harEntry)
}
return c.Status(fiber.StatusOK).JSON(baseEntries)
}
func GetHARs(c *fiber.Ctx) error {
entriesFilter := &models.HarFetchRequestBody{}
order := database.OrderDesc
if err := c.QueryParser(entriesFilter); err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
err := validation.Validate(entriesFilter)
if err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
var timestampFrom, timestampTo int64
if entriesFilter.From < 0 {
timestampFrom = 0
} else {
timestampFrom = entriesFilter.From
}
if entriesFilter.To <= 0 {
timestampTo = time.Now().UnixNano() / int64(time.Millisecond)
} else {
timestampTo = entriesFilter.To
}
var entries []models.MizuEntry
database.GetEntriesTable().
Where(fmt.Sprintf("timestamp BETWEEN %v AND %v", timestampFrom, timestampTo)).
Order(fmt.Sprintf("timestamp %s", order)).
Find(&entries)
if len(entries) > 0 {
// the entries always order from oldest to newest so we should revers
utils.ReverseSlice(entries)
}
harsObject := map[string]*models.ExtendedHAR{}
for _, entryData := range entries {
var harEntry har.Entry
_ = json.Unmarshal([]byte(entryData.Entry), &harEntry)
if entryData.ResolvedDestination != "" {
harEntry.Request.URL = utils.SetHostname(harEntry.Request.URL, entryData.ResolvedDestination)
}
var fileName string
sourceOfEntry := entryData.ResolvedSource
if sourceOfEntry != "" {
// naively assumes the proper service source is http
sourceOfEntry = fmt.Sprintf("http://%s", sourceOfEntry)
//replace / from the file name cause they end up creating a corrupted folder
fileName = fmt.Sprintf("%s.har", strings.ReplaceAll(sourceOfEntry, "/", "_"))
} else {
fileName = "unknown_source.har"
}
if harOfSource, ok := harsObject[fileName]; ok {
harOfSource.Log.Entries = append(harOfSource.Log.Entries, &harEntry)
} else {
var entriesHar []*har.Entry
entriesHar = append(entriesHar, &harEntry)
harsObject[fileName] = &models.ExtendedHAR{
Log: &models.ExtendedLog{
Version: "1.2",
Creator: &models.ExtendedCreator{
Creator: &har.Creator{
Name: "mizu",
Version: "0.0.2",
},
},
Entries: entriesHar,
},
}
// leave undefined when no source is present, otherwise modeler assumes source is empty string ""
if sourceOfEntry != "" {
harsObject[fileName].Log.Creator.Source = &sourceOfEntry
}
}
}
retObj := map[string][]byte{}
for k, v := range harsObject {
bytesData, _ := json.Marshal(v)
retObj[k] = bytesData
}
buffer := utils.ZipData(retObj)
return c.Status(fiber.StatusOK).SendStream(buffer)
}
func UploadEntries(c *fiber.Ctx) error {
rlog.Infof("Upload entries - started\n")
uploadRequestBody := &models.UploadEntriesRequestBody{}
if err := c.QueryParser(uploadRequestBody); err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
if err := validation.Validate(uploadRequestBody); err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
if up9.GetAnalyzeInfo().IsAnalyzing {
return c.Status(fiber.StatusBadRequest).SendString("Cannot analyze, mizu is already analyzing")
}
rlog.Infof("Upload entries - creating token. dest %s\n", uploadRequestBody.Dest)
token, err := up9.CreateAnonymousToken(uploadRequestBody.Dest)
if err != nil {
return c.Status(fiber.StatusServiceUnavailable).SendString("Can't get token")
}
rlog.Infof("Upload entries - uploading. token: %s model: %s\n", token.Token, token.Model)
go up9.UploadEntriesImpl(token.Token, token.Model, uploadRequestBody.Dest, uploadRequestBody.SleepIntervalSec)
return c.Status(fiber.StatusOK).SendString("OK")
}
func GetFullEntries(c *fiber.Ctx) error {
entriesFilter := &models.HarFetchRequestBody{}
if err := c.QueryParser(entriesFilter); err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
err := validation.Validate(entriesFilter)
if err != nil {
return c.Status(fiber.StatusBadRequest).JSON(err)
}
var timestampFrom, timestampTo int64
if entriesFilter.From < 0 {
timestampFrom = 0
} else {
timestampFrom = entriesFilter.From
}
if entriesFilter.To <= 0 {
timestampTo = time.Now().UnixNano() / int64(time.Millisecond)
} else {
timestampTo = entriesFilter.To
}
entriesArray := database.GetEntriesFromDb(timestampFrom, timestampTo)
result := make([]models.FullEntryDetails, 0)
for _, data := range entriesArray {
harEntry := models.FullEntryDetails{}
if err := models.GetEntry(&data, &harEntry); err != nil {
continue
}
result = append(result, harEntry)
}
return c.Status(fiber.StatusOK).JSON(result)
}
func GetEntry(c *fiber.Ctx) error {
var entryData models.MizuEntry
database.GetEntriesTable().
Where(map[string]string{"entryId": c.Params("entryId")}).
First(&entryData)
fullEntry := models.FullEntryDetails{}
if err := models.GetEntry(&entryData, &fullEntry); err != nil {
return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{
"error": true,
"msg": "Can't get entry details",
})
}
return c.Status(fiber.StatusOK).JSON(fullEntry)
}
func DeleteAllEntries(c *fiber.Ctx) error {
database.GetEntriesTable().
Where("1 = 1").
Delete(&models.MizuEntry{})
return c.Status(fiber.StatusOK).JSON(fiber.Map{
"msg": "Success",
})
}
func GetGeneralStats(c *fiber.Ctx) error {
sqlQuery := "SELECT count(*) as count, min(timestamp) as min, max(timestamp) as max from mizu_entries"
var result struct {
Count int
Min int
Max int
}
database.GetEntriesTable().Raw(sqlQuery).Scan(&result)
return c.Status(fiber.StatusOK).JSON(&result)
}

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@@ -0,0 +1,12 @@
package controllers
import (
"github.com/gofiber/fiber/v2"
"github.com/up9inc/mizu/shared"
"mizuserver/pkg/version"
)
func GetVersion(c *fiber.Ctx) error {
resp := shared.VersionResponse{SemVer: version.SemVer}
return c.Status(fiber.StatusOK).JSON(resp)
}

View File

@@ -0,0 +1,11 @@
package controllers
import (
"github.com/gofiber/fiber/v2"
"mizuserver/pkg/holder"
)
func GetCurrentResolvingInformation(c *fiber.Ctx) error {
return c.Status(fiber.StatusOK).JSON(holder.GetResolver().GetMap())
}

View File

@@ -0,0 +1,17 @@
package controllers
import (
"github.com/gofiber/fiber/v2"
"github.com/up9inc/mizu/shared"
"mizuserver/pkg/up9"
)
var TapStatus shared.TapStatus
func GetTappingStatus(c *fiber.Ctx) error {
return c.Status(fiber.StatusOK).JSON(TapStatus)
}
func AnalyzeInformation(c *fiber.Ctx) error {
return c.Status(fiber.StatusOK).JSON(up9.GetAnalyzeInfo())
}

73
api/pkg/database/main.go Normal file
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@@ -0,0 +1,73 @@
package database
import (
"fmt"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"mizuserver/pkg/models"
"mizuserver/pkg/utils"
"time"
)
const (
DBPath = "./entries.db"
OrderDesc = "desc"
OrderAsc = "asc"
LT = "lt"
GT = "gt"
)
var (
DB *gorm.DB
IsDBLocked = false
OperatorToSymbolMapping = map[string]string{
LT: "<",
GT: ">",
}
OperatorToOrderMapping = map[string]string{
LT: OrderDesc,
GT: OrderAsc,
}
)
func init() {
DB = initDataBase(DBPath)
go StartEnforcingDatabaseSize()
}
func GetEntriesTable() *gorm.DB {
return DB.Table("mizu_entries")
}
func CreateEntry(entry *models.MizuEntry) {
if IsDBLocked {
return
}
GetEntriesTable().Create(entry)
}
func initDataBase(databasePath string) *gorm.DB {
temp, _ := gorm.Open(sqlite.Open(databasePath), &gorm.Config{
Logger: &utils.TruncatingLogger{LogLevel: logger.Warn, SlowThreshold: 500 * time.Millisecond},
})
_ = temp.AutoMigrate(&models.MizuEntry{}) // this will ensure table is created
return temp
}
func GetEntriesFromDb(timestampFrom int64, timestampTo int64) []models.MizuEntry {
order := OrderDesc
var entries []models.MizuEntry
GetEntriesTable().
Where(fmt.Sprintf("timestamp BETWEEN %v AND %v", timestampFrom, timestampTo)).
Order(fmt.Sprintf("timestamp %s", order)).
Find(&entries)
if len(entries) > 0 {
// the entries always order from oldest to newest so we should revers
utils.ReverseSlice(entries)
}
return entries
}

View File

@@ -0,0 +1,121 @@
package database
import (
"fmt"
"github.com/fsnotify/fsnotify"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/shared/debounce"
"github.com/up9inc/mizu/shared/units"
"log"
"mizuserver/pkg/models"
"os"
"strconv"
"time"
)
const percentageOfMaxSizeBytesToPrune = 15
const defaultMaxDatabaseSizeBytes int64 = 200 * 1000 * 1000
func StartEnforcingDatabaseSize() {
watcher, err := fsnotify.NewWatcher()
if err != nil {
log.Fatalf("Error creating filesystem watcher for db size enforcement: %v\n", err)
return
}
maxEntriesDBByteSize, err := getMaxEntriesDBByteSize()
if err != nil {
log.Fatalf("Error parsing max db size: %v\n", err)
return
}
checkFileSizeDebouncer := debounce.NewDebouncer(5*time.Second, func() {
checkFileSize(maxEntriesDBByteSize)
})
go func() {
for {
select {
case event, ok := <-watcher.Events:
if !ok {
return // closed channel
}
if event.Op == fsnotify.Write {
checkFileSizeDebouncer.SetOn()
}
case err, ok := <-watcher.Errors:
if !ok {
return // closed channel
}
fmt.Printf("filesystem watcher encountered error:%v\n", err)
}
}
}()
err = watcher.Add(DBPath)
if err != nil {
log.Fatalf("Error adding %s to filesystem watcher for db size enforcement: %v\n", DBPath, err)
}
}
func getMaxEntriesDBByteSize() (int64, error) {
maxEntriesDBByteSize := defaultMaxDatabaseSizeBytes
var err error
maxEntriesDBSizeByteSEnvVarValue := os.Getenv(shared.MaxEntriesDBSizeByteSEnvVar)
if maxEntriesDBSizeByteSEnvVarValue != "" {
maxEntriesDBByteSize, err = strconv.ParseInt(maxEntriesDBSizeByteSEnvVarValue, 10, 64)
}
return maxEntriesDBByteSize, err
}
func checkFileSize(maxSizeBytes int64) {
fileStat, err := os.Stat(DBPath)
if err != nil {
fmt.Printf("Error checking %s file size: %v\n", DBPath, err)
} else {
if fileStat.Size() > maxSizeBytes {
pruneOldEntries(fileStat.Size())
}
}
}
func pruneOldEntries(currentFileSize int64) {
// sqlite locks the database while delete or VACUUM are running and sqlite is terrible at handling its own db lock while a lot of inserts are attempted, we prevent a significant bottleneck by handling the db lock ourselves here
IsDBLocked = true
defer func() {IsDBLocked = false}()
amountOfBytesToTrim := currentFileSize / (100 / percentageOfMaxSizeBytesToPrune)
rows, err := GetEntriesTable().Limit(10000).Order("id").Rows()
if err != nil {
fmt.Printf("Error getting 10000 first db rows: %v\n", err)
return
}
entryIdsToRemove := make([]uint, 0)
bytesToBeRemoved := int64(0)
for rows.Next() {
if bytesToBeRemoved >= amountOfBytesToTrim {
break
}
var entry models.MizuEntry
err = DB.ScanRows(rows, &entry)
if err != nil {
fmt.Printf("Error scanning db row: %v\n", err)
continue
}
entryIdsToRemove = append(entryIdsToRemove, entry.ID)
bytesToBeRemoved += int64(entry.EstimatedSizeBytes)
}
if len(entryIdsToRemove) > 0 {
GetEntriesTable().Where(entryIdsToRemove).Delete(models.MizuEntry{})
// VACUUM causes sqlite to shrink the db file after rows have been deleted, the db file will not shrink without this
DB.Exec("VACUUM")
fmt.Printf("Removed %d rows and cleared %s\n", len(entryIdsToRemove), units.BytesToHumanReadable(bytesToBeRemoved))
} else {
fmt.Println("Found no rows to remove when pruning")
}
}

14
api/pkg/holder/main.go Normal file
View File

@@ -0,0 +1,14 @@
package holder
import "mizuserver/pkg/resolver"
var k8sResolver *resolver.Resolver
func SetResolver(param *resolver.Resolver) {
k8sResolver = param
}
func GetResolver() *resolver.Resolver {
return k8sResolver
}

View File

@@ -0,0 +1,18 @@
package middleware
import (
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/cors"
"github.com/gofiber/fiber/v2/middleware/logger"
)
// FiberMiddleware provide Fiber's built-in middlewares.
// See: https://docs.gofiber.io/api/middleware
func FiberMiddleware(a *fiber.App) {
a.Use(
// Add CORS to each route.
cors.New(),
// Add simple logger.
logger.New(),
)
}

173
api/pkg/models/models.go Normal file
View File

@@ -0,0 +1,173 @@
package models
import (
"encoding/json"
"github.com/google/martian/har"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/tap"
"mizuserver/pkg/utils"
"time"
)
type DataUnmarshaler interface {
UnmarshalData(*MizuEntry) error
}
func GetEntry(r *MizuEntry, v DataUnmarshaler) error {
return v.UnmarshalData(r)
}
type MizuEntry struct {
ID uint `gorm:"primarykey"`
CreatedAt time.Time
UpdatedAt time.Time
Entry string `json:"entry,omitempty" gorm:"column:entry"`
EntryId string `json:"entryId" gorm:"column:entryId"`
Url string `json:"url" gorm:"column:url"`
Method string `json:"method" gorm:"column:method"`
Status int `json:"status" gorm:"column:status"`
RequestSenderIp string `json:"requestSenderIp" gorm:"column:requestSenderIp"`
Service string `json:"service" gorm:"column:service"`
Timestamp int64 `json:"timestamp" gorm:"column:timestamp"`
Path string `json:"path" gorm:"column:path"`
ResolvedSource string `json:"resolvedSource,omitempty" gorm:"column:resolvedSource"`
ResolvedDestination string `json:"resolvedDestination,omitempty" gorm:"column:resolvedDestination"`
IsOutgoing bool `json:"isOutgoing,omitempty" gorm:"column:isOutgoing"`
EstimatedSizeBytes int `json:"-" gorm:"column:estimatedSizeBytes"`
}
type BaseEntryDetails struct {
Id string `json:"id,omitempty"`
Url string `json:"url,omitempty"`
RequestSenderIp string `json:"requestSenderIp,omitempty"`
Service string `json:"service,omitempty"`
Path string `json:"path,omitempty"`
StatusCode int `json:"statusCode,omitempty"`
Method string `json:"method,omitempty"`
Timestamp int64 `json:"timestamp,omitempty"`
IsOutgoing bool `json:"isOutgoing,omitempty"`
}
type FullEntryDetails struct {
har.Entry
}
type FullEntryDetailsExtra struct {
har.Entry
}
func (bed *BaseEntryDetails) UnmarshalData(entry *MizuEntry) error {
entryUrl := entry.Url
service := entry.Service
if entry.ResolvedDestination != "" {
entryUrl = utils.SetHostname(entryUrl, entry.ResolvedDestination)
service = utils.SetHostname(service, entry.ResolvedDestination)
}
bed.Id = entry.EntryId
bed.Url = entryUrl
bed.Service = service
bed.Path = entry.Path
bed.StatusCode = entry.Status
bed.Method = entry.Method
bed.Timestamp = entry.Timestamp
bed.RequestSenderIp = entry.RequestSenderIp
bed.IsOutgoing = entry.IsOutgoing
return nil
}
func (fed *FullEntryDetails) UnmarshalData(entry *MizuEntry) error {
if err := json.Unmarshal([]byte(entry.Entry), &fed.Entry); err != nil {
return err
}
if entry.ResolvedDestination != "" {
fed.Entry.Request.URL = utils.SetHostname(fed.Entry.Request.URL, entry.ResolvedDestination)
}
return nil
}
func (fedex *FullEntryDetailsExtra) UnmarshalData(entry *MizuEntry) error {
if err := json.Unmarshal([]byte(entry.Entry), &fedex.Entry); err != nil {
return err
}
if entry.ResolvedSource != "" {
fedex.Entry.Request.Headers = append(fedex.Request.Headers, har.Header{Name: "x-mizu-source", Value: entry.ResolvedSource})
}
if entry.ResolvedDestination != "" {
fedex.Entry.Request.Headers = append(fedex.Request.Headers, har.Header{Name: "x-mizu-destination", Value: entry.ResolvedDestination})
fedex.Entry.Request.URL = utils.SetHostname(fedex.Entry.Request.URL, entry.ResolvedDestination)
}
return nil
}
type EntryData struct {
Entry string `json:"entry,omitempty"`
ResolvedDestination string `json:"resolvedDestination,omitempty" gorm:"column:resolvedDestination"`
}
type EntriesFilter struct {
Limit int `query:"limit" validate:"required,min=1,max=200"`
Operator string `query:"operator" validate:"required,oneof='lt' 'gt'"`
Timestamp int64 `query:"timestamp" validate:"required,min=1"`
}
type UploadEntriesRequestBody struct {
Dest string `query:"dest"`
SleepIntervalSec int `query:"interval"`
}
type HarFetchRequestBody struct {
From int64 `query:"from"`
To int64 `query:"to"`
}
type WebSocketEntryMessage struct {
*shared.WebSocketMessageMetadata
Data *BaseEntryDetails `json:"data,omitempty"`
}
type WebSocketTappedEntryMessage struct {
*shared.WebSocketMessageMetadata
Data *tap.OutputChannelItem
}
func CreateBaseEntryWebSocketMessage(base *BaseEntryDetails) ([]byte, error) {
message := &WebSocketEntryMessage{
WebSocketMessageMetadata: &shared.WebSocketMessageMetadata{
MessageType: shared.WebSocketMessageTypeEntry,
},
Data: base,
}
return json.Marshal(message)
}
func CreateWebsocketTappedEntryMessage(base *tap.OutputChannelItem) ([]byte, error) {
message := &WebSocketTappedEntryMessage{
WebSocketMessageMetadata: &shared.WebSocketMessageMetadata{
MessageType: shared.WebSocketMessageTypeTappedEntry,
},
Data: base,
}
return json.Marshal(message)
}
// ExtendedHAR is the top level object of a HAR log.
type ExtendedHAR struct {
Log *ExtendedLog `json:"log"`
}
// ExtendedLog is the HAR HTTP request and response log.
type ExtendedLog struct {
// Version number of the HAR format.
Version string `json:"version"`
// Creator holds information about the log creator application.
Creator *ExtendedCreator `json:"creator"`
// Entries is a list containing requests and responses.
Entries []*har.Entry `json:"entries"`
}
type ExtendedCreator struct {
*har.Creator
Source *string `json:"_source"`
}

View File

@@ -0,0 +1,69 @@
<!--
(NOT RELEVANT CURRENTLY)
## Installation
To be able to import this package, you must add `replace github.com/up9inc/mizu/resolver => ../resolver` to the end of your `go.mod` file
And then add `github.com/up9inc/mizu/resolver v0.0.0` to your require block
full example `go.mod`:
```
module github.com/up9inc/mizu/cli
go 1.16
require (
github.com/spf13/cobra v1.1.3
github.com/up9inc/mizu/resolver v0.0.0
k8s.io/api v0.21.0
k8s.io/apimachinery v0.21.0
k8s.io/client-go v0.21.0
)
replace github.com/up9inc/mizu/resolver => ../resolver
```
Now you will be able to import `github.com/up9inc/mizu/resolver` in any `.go` file
-->
## Usage
### Full example
``` go
errOut := make(chan error, 100)
k8sResolver, err := resolver.NewFromOutOfCluster("", errOut)
if err != nil {
fmt.Printf("error creating k8s resolver %s", err)
}
ctx, cancel := context.WithCancel(context.Background())
k8sResolver.Start(ctx)
resolvedName := k8sResolver.Resolve("10.107.251.91") // will always return `nil` in real scenarios as the internal map takes a moment to populate after `Start` is called
if resolvedName != nil {
fmt.Printf("resolved 10.107.251.91=%s", *resolvedName)
} else {
fmt.Printf("Could not find a resolved name for 10.107.251.91")
}
for {
select {
case err := <- errOut:
fmt.Printf("name resolving error %s", err)
}
}
```
### In cluster authentication
Create resolver using the function `NewFromInCluster(errOut chan error)`
### Out of cluster authentication
Create resolver using the function `NewFromOutOfCluster(kubeConfigPath string, errOut chan error)`
the `kubeConfigPath` param is optional, pass an empty string `""` for resolver to auto locate the default kubeconfig file
### Error handling
Please ensure there is always a thread reading from the `errOut` channel, not doing so will result in the resolver threads getting blocked and the resolver will fail to update.
Also note that any error you receive through this channel does not necessarily mean that resolver is no longer running. the resolver will infinitely retry watching k8s resources until the provided context is cancelled.

524
api/pkg/resolver/go.sum Normal file
View File

@@ -0,0 +1,524 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0 h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0 h1:UDpwYIwla4jHGzZJaEJYx1tOejbgSoNqsAfHAUYe2r8=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9 h1:VpgP7xuJadIUuKccphEpTJnWhS2jkQyMt6Y7pJCD7fY=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Azure/go-autorest/autorest v0.11.12 h1:gI8ytXbxMfI+IVbI9mP2JGCTXIuhHLgRlvQ9X4PsnHE=
github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
github.com/Azure/go-autorest/autorest/adal v0.9.5 h1:Y3bBUV4rTuxenJJs41HU3qmqsb+auo+a3Lz+PlJPpL0=
github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
github.com/Azure/go-autorest/autorest/mocks v0.4.1 h1:K0laFcLE6VLTOwNgSxaGbUcLPuGXlNkbVvq4cW4nIHk=
github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
github.com/Azure/go-autorest/logger v0.2.0 h1:e4RVHVZKC5p6UANLJHkM4OfR1UKZPj8Wt8Pcx+3oqrE=
github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46 h1:lsxEuwrXEAokXB9qhlbKWPpo3KMLZQ5WB5WLQRW1uq0=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=
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golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6 h1:QE6XYQK6naiK1EPAe1g/ILLxN5RBoH5xkJk3CqlMI/Y=
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golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
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golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 h1:4+4C/Iv2U4fMZBiMCc98MG1In4gJY5YRhtpDNeDeHWs=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
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k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
rsc.io/binaryregexp v0.2.0 h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=
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sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
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View File

@@ -0,0 +1,61 @@
package resolver
import (
"k8s.io/client-go/kubernetes"
_ "k8s.io/client-go/plugin/pkg/client/auth/azure"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
_ "k8s.io/client-go/plugin/pkg/client/auth/openstack"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
"path/filepath"
)
func NewFromInCluster(errOut chan error) (*Resolver, error) {
config, err := restclient.InClusterConfig()
if err != nil {
return nil, err
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return nil, err
}
return &Resolver{clientConfig: config, clientSet: clientset, nameMap: make(map[string]string), serviceMap: make(map[string]string), errOut: errOut}, nil
}
func NewFromOutOfCluster(kubeConfigPath string, errOut chan error) (*Resolver, error) {
if kubeConfigPath == "" {
home := homedir.HomeDir()
kubeConfigPath = filepath.Join(home, ".kube", "config")
}
configPathList := filepath.SplitList(kubeConfigPath)
configLoadingRules := &clientcmd.ClientConfigLoadingRules{}
if len(configPathList) <= 1 {
configLoadingRules.ExplicitPath = kubeConfigPath
} else {
configLoadingRules.Precedence = configPathList
}
contextName := ""
clientConfigLoader := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
configLoadingRules,
&clientcmd.ConfigOverrides{
CurrentContext: contextName,
},
)
clientConfig, err := clientConfigLoader.ClientConfig()
if err != nil {
return nil, err
}
clientset, err := kubernetes.NewForConfig(clientConfig)
if err != nil {
return nil, err
}
return &Resolver{clientConfig: clientConfig, clientSet: clientset, nameMap: make(map[string]string), serviceMap: make(map[string]string), errOut: errOut}, nil
}
func NewFromExisting(clientConfig *restclient.Config, clientSet *kubernetes.Clientset, errOut chan error) *Resolver {
return &Resolver{clientConfig: clientConfig, clientSet: clientSet, nameMap: make(map[string]string), serviceMap: make(map[string]string), errOut: errOut}
}

View File

@@ -0,0 +1,189 @@
package resolver
import (
"context"
"errors"
"fmt"
"github.com/romana/rlog"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
)
const (
kubClientNullString = "None"
)
type Resolver struct {
clientConfig *restclient.Config
clientSet *kubernetes.Clientset
nameMap map[string]string
serviceMap map[string]string
isStarted bool
errOut chan error
}
func (resolver *Resolver) Start(ctx context.Context) {
if !resolver.isStarted {
resolver.isStarted = true
go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchServices)
go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchEndpoints)
go resolver.infiniteErrorHandleRetryFunc(ctx, resolver.watchPods)
}
}
func (resolver *Resolver) Resolve(name string) string {
resolvedName, isFound := resolver.nameMap[name]
if !isFound {
return ""
}
return resolvedName
}
func (resolver *Resolver) GetMap() map[string]string {
return resolver.nameMap
}
func (resolver *Resolver) CheckIsServiceIP(address string) bool {
_, isFound := resolver.serviceMap[address]
return isFound
}
func (resolver *Resolver) watchPods(ctx context.Context) error {
// empty namespace makes the client watch all namespaces
watcher, err := resolver.clientSet.CoreV1().Pods("").Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return err
}
for {
select {
case event := <- watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl pod watch")
}
if event.Type == watch.Deleted {
pod := event.Object.(*corev1.Pod)
resolver.saveResolvedName(pod.Status.PodIP, "", event.Type)
}
case <- ctx.Done():
watcher.Stop()
return nil
}
}
}
func (resolver *Resolver) watchEndpoints(ctx context.Context) error {
// empty namespace makes the client watch all namespaces
watcher, err := resolver.clientSet.CoreV1().Endpoints("").Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return err
}
for {
select {
case event := <- watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl endpoint watch")
}
endpoint := event.Object.(*corev1.Endpoints)
serviceHostname := fmt.Sprintf("%s.%s", endpoint.Name, endpoint.Namespace)
if endpoint.Subsets != nil {
for _, subset := range endpoint.Subsets {
var ports []int32
if subset.Ports != nil {
for _, portMapping := range subset.Ports {
if portMapping.Port > 0 {
ports = append(ports, portMapping.Port)
}
}
}
if subset.Addresses != nil {
for _, address := range subset.Addresses {
resolver.saveResolvedName(address.IP, serviceHostname, event.Type)
for _, port := range ports {
ipWithPort := fmt.Sprintf("%s:%d", address.IP, port)
resolver.saveResolvedName(ipWithPort, serviceHostname, event.Type)
}
}
}
}
}
case <- ctx.Done():
watcher.Stop()
return nil
}
}
}
func (resolver *Resolver) watchServices(ctx context.Context) error {
// empty namespace makes the client watch all namespaces
watcher, err := resolver.clientSet.CoreV1().Services("").Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
return err
}
for {
select {
case event := <- watcher.ResultChan():
if event.Object == nil {
return errors.New("error in kubectl service watch")
}
service := event.Object.(*corev1.Service)
serviceHostname := fmt.Sprintf("%s.%s", service.Name, service.Namespace)
if service.Spec.ClusterIP != "" && service.Spec.ClusterIP != kubClientNullString {
resolver.saveResolvedName(service.Spec.ClusterIP, serviceHostname, event.Type)
resolver.saveServiceIP(service.Spec.ClusterIP, serviceHostname, event.Type)
}
if service.Status.LoadBalancer.Ingress != nil {
for _, ingress := range service.Status.LoadBalancer.Ingress {
resolver.saveResolvedName(ingress.IP, serviceHostname, event.Type)
}
}
case <- ctx.Done():
watcher.Stop()
return nil
}
}
}
func (resolver *Resolver) saveResolvedName(key string, resolved string, eventType watch.EventType) {
if eventType == watch.Deleted {
delete(resolver.nameMap, key)
rlog.Infof("setting %s=nil\n", key)
} else {
resolver.nameMap[key] = resolved
rlog.Infof("setting %s=%s\n", key, resolved)
}
}
func (resolver *Resolver) saveServiceIP(key string, resolved string, eventType watch.EventType) {
if eventType == watch.Deleted {
delete(resolver.serviceMap, key)
} else {
resolver.serviceMap[key] = resolved
}
}
func (resolver *Resolver) infiniteErrorHandleRetryFunc(ctx context.Context, fun func(ctx context.Context) error) {
for {
err := fun(ctx)
if err != nil {
resolver.errOut <- err
var statusError *k8serrors.StatusError
if errors.As(err, &statusError) {
if statusError.ErrStatus.Reason == metav1.StatusReasonForbidden {
rlog.Infof("Resolver loop encountered permission error, aborting event listening - %v\n", err)
return
}
}
}
if ctx.Err() != nil { // context was cancelled or errored
return
}
}
}

View File

@@ -0,0 +1,25 @@
package routes
import (
"github.com/gofiber/fiber/v2"
"mizuserver/pkg/controllers"
)
// EntriesRoutes func for describe group of public routes.
func EntriesRoutes(fiberApp *fiber.App) {
routeGroup := fiberApp.Group("/api")
routeGroup.Get("/entries", controllers.GetEntries) // get entries (base/thin entries)
routeGroup.Get("/entries/:entryId", controllers.GetEntry) // get single (full) entry
routeGroup.Get("/exportEntries", controllers.GetFullEntries)
routeGroup.Get("/uploadEntries", controllers.UploadEntries)
routeGroup.Get("/resolving", controllers.GetCurrentResolvingInformation)
routeGroup.Get("/har", controllers.GetHARs)
routeGroup.Get("/resetDB", controllers.DeleteAllEntries) // get single (full) entry
routeGroup.Get("/generalStats", controllers.GetGeneralStats) // get general stats about entries in DB
routeGroup.Get("/tapStatus", controllers.GetTappingStatus) // get tapping status
routeGroup.Get("/analyzeStatus", controllers.AnalyzeInformation)
}

View File

@@ -0,0 +1,13 @@
package routes
import (
"github.com/gofiber/fiber/v2"
"mizuserver/pkg/controllers"
)
// EntriesRoutes func for describe group of public routes.
func MetadataRoutes(fiberApp *fiber.App) {
routeGroup := fiberApp.Group("/metadata")
routeGroup.Get("/version", controllers.GetVersion)
}

View File

@@ -0,0 +1,15 @@
package routes
import "github.com/gofiber/fiber/v2"
// NotFoundRoute func for describe 404 Error route.
func NotFoundRoute(fiberApp *fiber.App) {
fiberApp.Use(
func(c *fiber.Ctx) error {
return c.Status(fiber.StatusNotFound).JSON(fiber.Map{
"error": true,
"msg": "sorry, endpoint is not found",
})
},
)
}

View File

@@ -0,0 +1,31 @@
package routes
import (
"github.com/antoniodipinto/ikisocket"
"github.com/gofiber/fiber/v2"
)
type EventHandlers interface {
WebSocketConnect(ep *ikisocket.EventPayload)
WebSocketDisconnect(ep *ikisocket.EventPayload)
WebSocketClose(ep *ikisocket.EventPayload)
WebSocketError(ep *ikisocket.EventPayload)
WebSocketMessage(ep *ikisocket.EventPayload)
}
func WebSocketRoutes(app *fiber.App, eventHandlers EventHandlers) {
app.Get("/ws", ikisocket.New(func(kws *ikisocket.Websocket) {
kws.SetAttribute("is_tapper", false)
}))
app.Get("/wsTapper", ikisocket.New(func(kws *ikisocket.Websocket) {
// Tapper clients are handled differently, they don't need to receive new message broadcasts.
kws.SetAttribute("is_tapper", true)
}))
ikisocket.On(ikisocket.EventMessage, eventHandlers.WebSocketMessage)
ikisocket.On(ikisocket.EventConnect, eventHandlers.WebSocketConnect)
ikisocket.On(ikisocket.EventDisconnect, eventHandlers.WebSocketDisconnect)
ikisocket.On(ikisocket.EventClose, eventHandlers.WebSocketClose) // This event is called when the server disconnects the user actively with .Close() method
ikisocket.On(ikisocket.EventError, eventHandlers.WebSocketError) // On error event
}

View File

@@ -0,0 +1,10 @@
package sensitiveDataFiltering
const maskedFieldPlaceholderValue = "[REDACTED]"
//these values MUST be all lower case and contain no `-` or `_` characters
var personallyIdentifiableDataFields = []string{"token", "authorization", "authentication", "cookie", "userid", "password",
"username", "user", "key", "passcode", "pass", "auth", "authtoken", "jwt",
"bearer", "clientid", "clientsecret", "redirecturi", "phonenumber",
"zip", "zipcode", "address", "country", "firstname", "lastname",
"middlename", "fname", "lname", "birthdate"}

View File

@@ -0,0 +1,198 @@
package sensitiveDataFiltering
import (
"encoding/json"
"encoding/xml"
"errors"
"fmt"
"github.com/up9inc/mizu/tap"
"net/url"
"strings"
"github.com/beevik/etree"
"github.com/google/martian/har"
"github.com/up9inc/mizu/shared"
)
func FilterSensitiveInfoFromHarRequest(harOutputItem *tap.OutputChannelItem, options *shared.TrafficFilteringOptions) {
harOutputItem.HarEntry.Request.Headers = filterHarHeaders(harOutputItem.HarEntry.Request.Headers)
harOutputItem.HarEntry.Response.Headers = filterHarHeaders(harOutputItem.HarEntry.Response.Headers)
harOutputItem.HarEntry.Request.Cookies = make([]har.Cookie, 0, 0)
harOutputItem.HarEntry.Response.Cookies = make([]har.Cookie, 0, 0)
harOutputItem.HarEntry.Request.URL = filterUrl(harOutputItem.HarEntry.Request.URL)
for i, queryString := range harOutputItem.HarEntry.Request.QueryString {
if isFieldNameSensitive(queryString.Name) {
harOutputItem.HarEntry.Request.QueryString[i].Value = maskedFieldPlaceholderValue
}
}
if harOutputItem.HarEntry.Request.PostData != nil {
requestContentType := getContentTypeHeaderValue(harOutputItem.HarEntry.Request.Headers)
filteredRequestBody, err := filterHttpBody([]byte(harOutputItem.HarEntry.Request.PostData.Text), requestContentType, options)
if err == nil {
harOutputItem.HarEntry.Request.PostData.Text = string(filteredRequestBody)
}
}
if harOutputItem.HarEntry.Response.Content != nil {
responseContentType := getContentTypeHeaderValue(harOutputItem.HarEntry.Response.Headers)
filteredResponseBody, err := filterHttpBody(harOutputItem.HarEntry.Response.Content.Text, responseContentType, options)
if err == nil {
harOutputItem.HarEntry.Response.Content.Text = filteredResponseBody
}
}
}
func filterHarHeaders(headers []har.Header) []har.Header {
newHeaders := make([]har.Header, 0)
for i, header := range headers {
if strings.ToLower(header.Name) == "cookie" {
continue
} else if isFieldNameSensitive(header.Name) {
newHeaders = append(newHeaders, har.Header{Name: header.Name, Value: maskedFieldPlaceholderValue})
headers[i].Value = maskedFieldPlaceholderValue
} else {
newHeaders = append(newHeaders, header)
}
}
return newHeaders
}
func getContentTypeHeaderValue(headers []har.Header) string {
for _, header := range headers {
if strings.ToLower(header.Name) == "content-type" {
return header.Value
}
}
return ""
}
func isFieldNameSensitive(fieldName string) bool {
name := strings.ToLower(fieldName)
name = strings.ReplaceAll(name, "_", "")
name = strings.ReplaceAll(name, "-", "")
name = strings.ReplaceAll(name, " ", "")
for _, sensitiveField := range personallyIdentifiableDataFields {
if strings.Contains(name, sensitiveField) {
return true
}
}
return false
}
func filterHttpBody(bytes []byte, contentType string, options *shared.TrafficFilteringOptions) ([]byte, error) {
mimeType := strings.Split(contentType, ";")[0]
switch strings.ToLower(mimeType) {
case "application/json":
return filterJsonBody(bytes)
case "text/html":
fallthrough
case "application/xhtml+xml":
fallthrough
case "text/xml":
fallthrough
case "application/xml":
return filterXmlEtree(bytes)
case "text/plain":
if options != nil && options.PlainTextMaskingRegexes != nil {
return filterPlainText(bytes, options), nil
}
}
return bytes, nil
}
func filterPlainText(bytes []byte, options *shared.TrafficFilteringOptions) []byte {
for _, regex := range options.PlainTextMaskingRegexes {
bytes = regex.ReplaceAll(bytes, []byte(maskedFieldPlaceholderValue))
}
return bytes
}
func filterXmlEtree(bytes []byte) ([]byte, error) {
if !IsValidXML(bytes) {
return nil, errors.New("Invalid XML")
}
xmlDoc := etree.NewDocument()
err := xmlDoc.ReadFromBytes(bytes)
if err != nil {
return nil, err
} else {
filterXmlElement(xmlDoc.Root())
}
return xmlDoc.WriteToBytes()
}
func IsValidXML(data []byte) bool {
return xml.Unmarshal(data, new(interface{})) == nil
}
func filterXmlElement(element *etree.Element) {
for i, attribute := range element.Attr {
if isFieldNameSensitive(attribute.Key) {
element.Attr[i].Value = maskedFieldPlaceholderValue
}
}
if element.ChildElements() == nil || len(element.ChildElements()) == 0 {
if isFieldNameSensitive(element.Tag) {
element.SetText(maskedFieldPlaceholderValue)
}
} else {
for _, element := range element.ChildElements() {
filterXmlElement(element)
}
}
}
func filterJsonBody(bytes []byte) ([]byte, error) {
var bodyJsonMap map[string] interface{}
err := json.Unmarshal(bytes ,&bodyJsonMap)
if err != nil {
return nil, err
}
filterJsonMap(bodyJsonMap)
return json.Marshal(bodyJsonMap)
}
func filterJsonMap(jsonMap map[string] interface{}) {
for key, value := range jsonMap {
if value == nil {
return
}
nestedMap, isNested := value.(map[string] interface{})
if isNested {
filterJsonMap(nestedMap)
} else {
if isFieldNameSensitive(key) {
jsonMap[key] = maskedFieldPlaceholderValue
}
}
}
}
// receives string representing url, returns string url without sensitive query param values (http://service/api?userId=bob&password=123&type=login -> http://service/api?userId=[REDACTED]&password=[REDACTED]&type=login)
func filterUrl(originalUrl string) string {
parsedUrl, err := url.Parse(originalUrl)
if err != nil {
return fmt.Sprintf("http://%s", maskedFieldPlaceholderValue)
} else {
if len(parsedUrl.RawQuery) > 0 {
newQueryArgs := make([]string, 0)
for urlQueryParamName, urlQueryParamValues := range parsedUrl.Query() {
newValues := urlQueryParamValues
if isFieldNameSensitive(urlQueryParamName) {
newValues = []string {maskedFieldPlaceholderValue}
}
for _, paramValue := range newValues {
newQueryArgs = append(newQueryArgs, fmt.Sprintf("%s=%s", urlQueryParamName, paramValue))
}
}
parsedUrl.RawQuery = strings.Join(newQueryArgs, "&")
}
return parsedUrl.String()
}
}

201
api/pkg/up9/main.go Normal file
View File

@@ -0,0 +1,201 @@
package up9
import (
"bytes"
"compress/zlib"
"encoding/json"
"fmt"
"github.com/romana/rlog"
"github.com/up9inc/mizu/shared"
"io/ioutil"
"log"
"mizuserver/pkg/database"
"mizuserver/pkg/models"
"net/http"
"net/url"
"strings"
"time"
)
const (
AnalyzeCheckSleepTime = 5 * time.Second
)
type GuestToken struct {
Token string `json:"token"`
Model string `json:"model"`
}
type ModelStatus struct {
LastMajorGeneration float64 `json:"lastMajorGeneration"`
}
func getGuestToken(url string, target *GuestToken) error {
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
rlog.Infof("Got token from the server, starting to json decode... status code: %v", resp.StatusCode)
return json.NewDecoder(resp.Body).Decode(target)
}
func CreateAnonymousToken(envPrefix string) (*GuestToken, error) {
tokenUrl := fmt.Sprintf("https://trcc.%s/anonymous/token", envPrefix)
if strings.HasPrefix(envPrefix, "http") {
tokenUrl = fmt.Sprintf("%s/api/token", envPrefix)
}
token := &GuestToken{}
if err := getGuestToken(tokenUrl, token); err != nil {
rlog.Infof("Failed to get token, %s", err)
return nil, err
}
return token, nil
}
func GetRemoteUrl(analyzeDestination string, analyzeToken string) string {
return fmt.Sprintf("https://%s/share/%s", analyzeDestination, analyzeToken)
}
func CheckIfModelReady(analyzeDestination string, analyzeModel string, analyzeToken string) bool {
statusUrl, _ := url.Parse(fmt.Sprintf("https://trcc.%s/models/%s/status", analyzeDestination, analyzeModel))
req := &http.Request{
Method: http.MethodGet,
URL: statusUrl,
Header: map[string][]string{
"Content-Type": {"application/json"},
"Guest-Auth": {analyzeToken},
},
}
statusResp, err := http.DefaultClient.Do(req)
if err != nil {
return false
}
defer statusResp.Body.Close()
target := &ModelStatus{}
_ = json.NewDecoder(statusResp.Body).Decode(&target)
return target.LastMajorGeneration > 0
}
func GetTrafficDumpUrl(analyzeDestination string, analyzeModel string) *url.URL {
strUrl := fmt.Sprintf("https://traffic.%s/dumpTrafficBulk/%s", analyzeDestination, analyzeModel)
if strings.HasPrefix(analyzeDestination, "http") {
strUrl = fmt.Sprintf("%s/api/workspace/dumpTrafficBulk", analyzeDestination)
}
postUrl, _ := url.Parse(strUrl)
return postUrl
}
type AnalyzeInformation struct {
IsAnalyzing bool
SentCount int
AnalyzedModel string
AnalyzeToken string
AnalyzeDestination string
}
func (info *AnalyzeInformation) Reset() {
info.IsAnalyzing = false
info.AnalyzedModel = ""
info.AnalyzeToken = ""
info.AnalyzeDestination = ""
info.SentCount = 0
}
var analyzeInformation = &AnalyzeInformation{}
func GetAnalyzeInfo() *shared.AnalyzeStatus {
return &shared.AnalyzeStatus{
IsAnalyzing: analyzeInformation.IsAnalyzing,
RemoteUrl: GetRemoteUrl(analyzeInformation.AnalyzeDestination, analyzeInformation.AnalyzeToken),
IsRemoteReady: CheckIfModelReady(analyzeInformation.AnalyzeDestination, analyzeInformation.AnalyzedModel, analyzeInformation.AnalyzeToken),
SentCount: analyzeInformation.SentCount,
}
}
func UploadEntriesImpl(token string, model string, envPrefix string, sleepIntervalSec int) {
analyzeInformation.IsAnalyzing = true
analyzeInformation.AnalyzedModel = model
analyzeInformation.AnalyzeToken = token
analyzeInformation.AnalyzeDestination = envPrefix
analyzeInformation.SentCount = 0
sleepTime := time.Second * time.Duration(sleepIntervalSec)
var timestampFrom int64 = 0
for {
timestampTo := time.Now().UnixNano() / int64(time.Millisecond)
rlog.Infof("Getting entries from %v, to %v\n", timestampFrom, timestampTo)
entriesArray := database.GetEntriesFromDb(timestampFrom, timestampTo)
if len(entriesArray) > 0 {
fullEntriesExtra := make([]models.FullEntryDetailsExtra, 0)
for _, data := range entriesArray {
harEntry := models.FullEntryDetailsExtra{}
if err := models.GetEntry(&data, &harEntry); err != nil {
continue
}
fullEntriesExtra = append(fullEntriesExtra, harEntry)
}
rlog.Infof("About to upload %v entries\n", len(fullEntriesExtra))
body, jMarshalErr := json.Marshal(fullEntriesExtra)
if jMarshalErr != nil {
analyzeInformation.Reset()
rlog.Infof("Stopping analyzing")
log.Fatal(jMarshalErr)
}
var in bytes.Buffer
w := zlib.NewWriter(&in)
_, _ = w.Write(body)
_ = w.Close()
reqBody := ioutil.NopCloser(bytes.NewReader(in.Bytes()))
req := &http.Request{
Method: http.MethodPost,
URL: GetTrafficDumpUrl(envPrefix, model),
Header: map[string][]string{
"Content-Encoding": {"deflate"},
"Content-Type": {"application/octet-stream"},
"Guest-Auth": {token},
},
Body: reqBody,
}
if _, postErr := http.DefaultClient.Do(req); postErr != nil {
analyzeInformation.Reset()
rlog.Info("Stopping analyzing")
log.Fatal(postErr)
}
analyzeInformation.SentCount += len(entriesArray)
rlog.Infof("Finish uploading %v entries to %s\n", len(entriesArray), GetTrafficDumpUrl(envPrefix, model))
} else {
rlog.Infof("Nothing to upload")
}
rlog.Infof("Sleeping for %v...\n", sleepTime)
time.Sleep(sleepTime)
timestampFrom = timestampTo
}
}
func UpdateAnalyzeStatus(callback func(data []byte)) {
for {
if !analyzeInformation.IsAnalyzing {
time.Sleep(AnalyzeCheckSleepTime)
continue
}
analyzeStatus := GetAnalyzeInfo()
socketMessage := shared.CreateWebSocketMessageTypeAnalyzeStatus(*analyzeStatus)
jsonMessage, _ := json.Marshal(socketMessage)
callback(jsonMessage)
time.Sleep(AnalyzeCheckSleepTime)
}
}

View File

@@ -0,0 +1,50 @@
package utils
import (
"github.com/djherbis/atime"
"os"
)
type ByModTime []os.FileInfo
func (fis ByModTime) Len() int {
return len(fis)
}
func (fis ByModTime) Swap(i, j int) {
fis[i], fis[j] = fis[j], fis[i]
}
func (fis ByModTime) Less(i, j int) bool {
return fis[i].ModTime().Before(fis[j].ModTime())
}
type ByName []os.FileInfo
func (fis ByName) Len() int {
return len(fis)
}
func (fis ByName) Swap(i, j int) {
fis[i], fis[j] = fis[j], fis[i]
}
func (fis ByName) Less(i, j int) bool {
return fis[i].Name() < fis[j].Name()
}
type ByCreationTime []os.FileInfo
func (fis ByCreationTime) Len() int {
return len(fis)
}
func (fis ByCreationTime) Swap(i, j int) {
fis[i], fis[j] = fis[j], fis[i]
}
func (fis ByCreationTime) Less(i, j int) bool {
return atime.Get(fis[i]).Unix() < atime.Get(fis[j]).Unix()
}

View File

@@ -0,0 +1,22 @@
package utils
import (
"math/rand"
"time"
)
const charset = "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
var seededRand = rand.New(rand.NewSource(time.Now().UnixNano()))
func StringWithCharset(length int, charset string) string {
b := make([]byte, length)
for i := range b {
b[i] = charset[seededRand.Intn(len(charset))]
}
return string(b)
}
func GetRandomString(length int) string {
return StringWithCharset(length, charset)
}

View File

@@ -0,0 +1,58 @@
package utils
import (
"context"
"fmt"
"gorm.io/gorm/logger"
"gorm.io/gorm/utils"
"time"
)
// TruncatingLogger implements the gorm logger.Interface interface. Its purpose is to act as gorm's logger while truncating logs to a max of 50 characters to minimise the performance impact
type TruncatingLogger struct {
LogLevel logger.LogLevel
SlowThreshold time.Duration
}
func (truncatingLogger *TruncatingLogger) LogMode(logLevel logger.LogLevel) logger.Interface {
truncatingLogger.LogLevel = logLevel
return truncatingLogger
}
func (truncatingLogger *TruncatingLogger) Info(_ context.Context, message string, __ ...interface{}) {
if truncatingLogger.LogLevel < logger.Info {
return
}
fmt.Printf("gorm info: %.150s\n", message)
}
func (truncatingLogger *TruncatingLogger) Warn(_ context.Context, message string, __ ...interface{}) {
if truncatingLogger.LogLevel < logger.Warn {
return
}
fmt.Printf("gorm warning: %.150s\n", message)
}
func (truncatingLogger *TruncatingLogger) Error(_ context.Context, message string, __ ...interface{}) {
if truncatingLogger.LogLevel < logger.Error {
return
}
fmt.Printf("gorm error: %.150s\n", message)
}
func (truncatingLogger *TruncatingLogger) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {
if truncatingLogger.LogLevel == logger.Silent {
return
}
elapsed := time.Since(begin)
if err != nil {
sql, rows := fc() // copied into every condition as this is a potentially heavy operation best done only when necessary
truncatingLogger.Error(ctx, fmt.Sprintf("Error in %s: %v - elapsed: %fs affected rows: %d, sql: %s", utils.FileWithLineNum(), err, elapsed.Seconds(), rows, sql))
} else if truncatingLogger.LogLevel >= logger.Warn && elapsed > truncatingLogger.SlowThreshold {
sql, rows := fc()
truncatingLogger.Warn(ctx, fmt.Sprintf("Slow sql query - elapse: %fs rows: %d, sql: %s", elapsed.Seconds(), rows, sql))
} else if truncatingLogger.LogLevel >= logger.Info {
sql, rows := fc()
truncatingLogger.Info(ctx, fmt.Sprintf("Sql query - elapse: %fs rows: %d, sql: %s", elapsed.Seconds(), rows, sql))
}
}

61
api/pkg/utils/utils.go Normal file
View File

@@ -0,0 +1,61 @@
package utils
import (
"github.com/gofiber/fiber/v2"
"github.com/romana/rlog"
"log"
"net/url"
"os"
"os/signal"
"reflect"
"syscall"
)
// StartServer starts the server with a graceful shutdown
func StartServer(app *fiber.App) {
signals := make(chan os.Signal, 2)
signal.Notify(signals,
os.Interrupt, // this catch ctrl + c
syscall.SIGTSTP, // this catch ctrl + z
)
go func() {
_ = <-signals
rlog.Infof("Shutting down...")
_ = app.Shutdown()
}()
// Run server.
if err := app.Listen(":8899"); err != nil {
log.Printf("Oops... Server is not running! Reason: %v", err)
}
}
func ReverseSlice(data interface{}) {
value := reflect.ValueOf(data)
valueLen := value.Len()
for i := 0; i <= int((valueLen-1)/2); i++ {
reverseIndex := valueLen - 1 - i
tmp := value.Index(reverseIndex).Interface()
value.Index(reverseIndex).Set(value.Index(i))
value.Index(i).Set(reflect.ValueOf(tmp))
}
}
func CheckErr(e error) {
if e != nil {
log.Printf("%v", e)
//panic(e)
}
}
func SetHostname(address, newHostname string) string {
replacedUrl, err := url.Parse(address)
if err != nil{
log.Printf("error replacing hostname to %s in address %s, returning original %v",newHostname, address, err)
return address
}
replacedUrl.Host = newHostname
return replacedUrl.String()
}

20
api/pkg/utils/zip.go Normal file
View File

@@ -0,0 +1,20 @@
package utils
import (
"archive/zip"
"bytes"
)
func ZipData(files map[string][]byte) *bytes.Buffer {
// Create a buffer to write our archive to.
buf := new(bytes.Buffer)
// Create a new zip archive.
zipWriter := zip.NewWriter(buf)
defer func() { _ = zipWriter.Close() }()
for fileName, fileBytes := range files {
zipFile, _ := zipWriter.Create(fileName)
_, _ = zipFile.Write(fileBytes)
}
return buf
}

View File

@@ -0,0 +1,35 @@
package validation
import (
"fmt"
"github.com/go-playground/locales/en"
ut "github.com/go-playground/universal-translator"
"github.com/go-playground/validator/v10"
et "github.com/go-playground/validator/v10/translations/en"
)
func Validate(object interface{}) (errs []string){
validate, trans := getValidator()
err := validate.Struct(object)
return translateError(err, trans)
}
func translateError(err error, trans *ut.Translator) (errs []string) {
if err == nil {
return nil
}
validatorErrs := err.(validator.ValidationErrors)
for _, e := range validatorErrs {
translatedErr := fmt.Errorf(e.Translate(*trans)).Error()
errs = append(errs, translatedErr)
}
return errs
}
func getValidator() (*validator.Validate, *ut.Translator) {
validate := validator.New()
english := en.New()
trans, _ := ut.New(english, english).GetTranslator("en")
_ = et.RegisterDefaultTranslations(validate, trans)
return validate, &trans
}

View File

@@ -0,0 +1,8 @@
package version
var (
SemVer = "0.0.1"
Branch = "develop"
GitCommitHash = "" // this var is overridden using ldflags in makefile when building
BuildTimestamp = "" // this var is overridden using ldflags in makefile when building
)

2
api/start.sh Executable file
View File

@@ -0,0 +1,2 @@
#!/bin/bash
./mizuagent -i any -hardump -targets ${TAPPED_ADDRESSES}

20
build-push-featurebranch.sh Executable file
View File

@@ -0,0 +1,20 @@
#!/bin/bash
set -e
SERVER_NAME=mizu
GCP_PROJECT=up9-docker-hub
REPOSITORY=gcr.io/$GCP_PROJECT
GIT_BRANCH=$(git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]')
DOCKER_TAGGED_BUILD=$REPOSITORY/$SERVER_NAME/$GIT_BRANCH:latest
if [ "$GIT_BRANCH" = 'develop' -o "$GIT_BRANCH" = 'master' -o "$GIT_BRANCH" = 'main' ]
then
echo "Pushing to $GIT_BRANCH is allowed only via CI"
exit 1
fi
echo "building $DOCKER_TAGGED_BUILD"
docker build -t "$DOCKER_TAGGED_BUILD" --build-arg SEM_VER=${SEM_VER} --build-arg BUILD_TIMESTAMP=${BUILD_TIMESTAMP} --build-arg GIT_BRANCH=${GIT_BRANCH} --build-arg COMMIT_HASH=${COMMIT_HASH} .
echo pushing to "$REPOSITORY"
docker push "$DOCKER_TAGGED_BUILD"

41
cli/Makefile Normal file
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SUFFIX=$(GOOS)_$(GOARCH)
COMMIT_HASH=$(shell git rev-parse HEAD)
GIT_BRANCH=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
GIT_VERSION=$(shell git branch --show-current | tr '[:upper:]' '[:lower:]')
BUILD_TIMESTAMP=$(shell date +%s)
SEM_VER=0.0.0
.PHONY: help
.DEFAULT_GOAL := help
help: ## This help.
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
install:
go install mizu.go
build: ## build mizu CLI binary (select platform via GOOS / GOARCH env variables)
go build -ldflags="-X 'github.com/up9inc/mizu/cli/mizu.GitCommitHash=$(COMMIT_HASH)' \
-X 'github.com/up9inc/mizu/cli/mizu.Branch=$(GIT_BRANCH)' \
-X 'github.com/up9inc/mizu/cli/mizu.BuildTimestamp=$(BUILD_TIMESTAMP)' \
-X 'github.com/up9inc/mizu/cli/mizu.SemVer=$(SEM_VER)'" \
-o bin/mizu_$(SUFFIX) mizu.go
(cd bin && shasum -a 256 mizu_${SUFFIX} > mizu_${SUFFIX}.sha256)
build-all: ## build for all supported platforms
@echo "Compiling for every OS and Platform"
@mkdir -p bin && echo "SHA256 checksums available for compiled binaries \n\nRun \`shasum -a 256 -c mizu_OS_ARCH.sha256\` to verify\n\n" > bin/README.md
@$(MAKE) build GOOS=darwin GOARCH=amd64
@$(MAKE) build GOOS=linux GOARCH=amd64
@# $(MAKE) build GOOS=darwin GOARCH=arm64
@# $(MAKE) GOOS=windows GOARCH=amd64
@# $(MAKE) GOOS=linux GOARCH=386
@# $(MAKE) GOOS=windows GOARCH=386
@# $(MAKE) GOOS=linux GOARCH=arm64
@# $(MAKE) GOOS=windows GOARCH=arm64
@echo "---------"
@find ./bin -ls
clean: ## clean all build artifacts
go clean
rm -rf ./bin/*

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# mizu CLI
## Usage
`./mizu {pod_name_regex}`
### Optional Flags
| flag | default | purpose |
|----------------------|------------------|--------------------------------------------------------------------------------------------------------------|
| `--no-gui` | `false` | Don't host the web interface (not applicable at the moment) |
| `--gui-port` | `8899` | local port that web interface will be forwarded to |
| `--namespace` | | use namespace different than the one found in kubeconfig |
| `--kubeconfig` | | Path to custom kubeconfig file |
There are some extra flags defined in code that will show up in `./mizu --help`, these are non functional stubs for now
## Installation
Make sure your go version is at least 1.11
1. cd to `mizu/cli`
2. Run `go mod download` (may take a moment)
3. Run `go build mizu.go`
Alternatively, you can build+run directly using `go run mizu.go {pod_name_regex}`
## Known issues
* mid-flight port forwarding failures are not detected and no indication will be shown when this occurs

36
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package cmd
import (
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
)
type MizuFetchOptions struct {
FromTimestamp int64
ToTimestamp int64
Directory string
MizuPort uint16
}
var mizuFetchOptions = MizuFetchOptions{}
var fetchCmd = &cobra.Command{
Use: "fetch",
Short: "Download recorded traffic to files",
RunE: func(cmd *cobra.Command, args []string) error {
if !mizu.CheckVersionCompatibility(mizuFetchOptions.MizuPort) {
return nil
}
RunMizuFetch(&mizuFetchOptions)
return nil
},
}
func init() {
rootCmd.AddCommand(fetchCmd)
fetchCmd.Flags().StringVarP(&mizuFetchOptions.Directory, "directory", "d", ".", "Provide a custom directory for fetched entries")
fetchCmd.Flags().Int64Var(&mizuFetchOptions.FromTimestamp, "from", 0, "Custom start timestamp for fetched entries")
fetchCmd.Flags().Int64Var(&mizuFetchOptions.ToTimestamp, "to", 0, "Custom end timestamp fetched entries")
fetchCmd.Flags().Uint16VarP(&mizuFetchOptions.MizuPort, "port", "p", 8899, "Custom port for mizu")
}

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package cmd
import (
"archive/zip"
"bytes"
"fmt"
"github.com/up9inc/mizu/cli/kubernetes"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"path/filepath"
"strings"
)
func RunMizuFetch(fetch *MizuFetchOptions) {
mizuProxiedUrl := kubernetes.GetMizuCollectorProxiedHostAndPath(fetch.MizuPort)
resp, err := http.Get(fmt.Sprintf("http://%s/api/har?from=%v&to=%v", mizuProxiedUrl, fetch.FromTimestamp, fetch.ToTimestamp))
if err != nil {
log.Fatal(err)
}
defer func() { _ = resp.Body.Close() }()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
zipReader, err := zip.NewReader(bytes.NewReader(body), int64(len(body)))
if err != nil {
log.Fatal(err)
}
_ = Unzip(zipReader, fetch.Directory)
}
func Unzip(reader *zip.Reader, dest string) error {
dest, _ = filepath.Abs(dest)
_ = os.MkdirAll(dest, os.ModePerm)
// Closure to address file descriptors issue with all the deferred .Close() methods
extractAndWriteFile := func(f *zip.File) error {
rc, err := f.Open()
if err != nil {
return err
}
defer func() {
if err := rc.Close(); err != nil {
panic(err)
}
}()
path := filepath.Join(dest, f.Name)
// Check for ZipSlip (Directory traversal)
if !strings.HasPrefix(path, filepath.Clean(dest)+string(os.PathSeparator)) {
return fmt.Errorf("illegal file path: %s", path)
}
if f.FileInfo().IsDir() {
_ = os.MkdirAll(path, f.Mode())
} else {
_ = os.MkdirAll(filepath.Dir(path), f.Mode())
fmt.Print("writing HAR file [ ", path, " ] .. ")
f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
defer func() {
if err := f.Close(); err != nil {
panic(err)
}
fmt.Println(" done")
}()
_, err = io.Copy(f, rc)
if err != nil {
return err
}
}
return nil
}
for _, f := range reader.File {
err := extractAndWriteFile(f)
if err != nil {
return err
}
}
return nil
}

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package cmd
import (
"github.com/spf13/cobra"
)
var rootCmd = &cobra.Command{
Use: "mizu",
Short: "A web traffic viewer for kubernetes",
Long: `A web traffic viewer for kubernetes
Further info is available at https://github.com/up9inc/mizu`,
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the tapCmd.
func Execute() {
cobra.CheckErr(rootCmd.Execute())
}

105
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package cmd
import (
"errors"
"fmt"
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared/units"
"os"
"regexp"
"strings"
)
type MizuTapOptions struct {
GuiPort uint16
Namespace string
AllNamespaces bool
Analysis bool
AnalysisDestination string
KubeConfigPath string
MizuImage string
PlainTextFilterRegexes []string
TapOutgoing bool
HideHealthChecks bool
MaxEntriesDBSizeBytes int64
SleepIntervalSec uint16
}
var mizuTapOptions = &MizuTapOptions{}
var direction string
var humanMaxEntriesDBSize string
var regex *regexp.Regexp
const maxEntriesDBSizeFlagName = "max-entries-db-size"
const analysisMessageToConfirm = `NOTE: running mizu with --analysis flag will upload recorded traffic
to UP9 cloud for further analysis and enriched presentation options.
`
var tapCmd = &cobra.Command{
Use: "tap [POD REGEX]",
Short: "Record ingoing traffic of a kubernetes pod",
Long: `Record the ingoing traffic of a kubernetes pod.
Supported protocols are HTTP and gRPC.`,
RunE: func(cmd *cobra.Command, args []string) error {
RunMizuTap(regex, mizuTapOptions)
return nil
},
PreRunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return errors.New("POD REGEX argument is required")
} else if len(args) > 1 {
return errors.New("unexpected number of arguments")
}
var compileErr error
regex, compileErr = regexp.Compile(args[0])
if compileErr != nil {
return errors.New(fmt.Sprintf("%s is not a valid regex %s", args[0], compileErr))
}
var parseHumanDataSizeErr error
mizuTapOptions.MaxEntriesDBSizeBytes, parseHumanDataSizeErr = units.HumanReadableToBytes(humanMaxEntriesDBSize)
if parseHumanDataSizeErr != nil {
return errors.New(fmt.Sprintf("Could not parse --max-entries-db-size value %s", humanMaxEntriesDBSize))
}
fmt.Printf("Mizu will store up to %s of traffic, old traffic will be cleared once the limit is reached.\n", units.BytesToHumanReadable(mizuTapOptions.MaxEntriesDBSizeBytes))
directionLowerCase := strings.ToLower(direction)
if directionLowerCase == "any" {
mizuTapOptions.TapOutgoing = true
} else if directionLowerCase == "in" {
mizuTapOptions.TapOutgoing = false
} else {
return errors.New(fmt.Sprintf("%s is not a valid value for flag --direction. Acceptable values are in/any.", direction))
}
if mizuTapOptions.Analysis {
fmt.Printf(analysisMessageToConfirm)
if !uiUtils.AskForConfirmation("Would you like to proceed [y/n]: ") {
fmt.Println("You can always run mizu without analysis, aborting")
os.Exit(0)
}
}
return nil
},
}
func init() {
rootCmd.AddCommand(tapCmd)
tapCmd.Flags().Uint16VarP(&mizuTapOptions.GuiPort, "gui-port", "p", 8899, "Provide a custom port for the web interface webserver")
tapCmd.Flags().StringVarP(&mizuTapOptions.Namespace, "namespace", "n", "", "Namespace selector")
tapCmd.Flags().BoolVar(&mizuTapOptions.Analysis, "analysis", false, "Uploads traffic to UP9 for further analysis (Beta)")
tapCmd.Flags().StringVar(&mizuTapOptions.AnalysisDestination, "dest", "up9.app", "Destination environment")
tapCmd.Flags().Uint16VarP(&mizuTapOptions.SleepIntervalSec, "upload-interval", "", 10, "Interval in seconds for uploading data to UP9")
tapCmd.Flags().BoolVarP(&mizuTapOptions.AllNamespaces, "all-namespaces", "A", false, "Tap all namespaces")
tapCmd.Flags().StringVarP(&mizuTapOptions.KubeConfigPath, "kube-config", "k", "", "Path to kube-config file")
tapCmd.Flags().StringVarP(&mizuTapOptions.MizuImage, "mizu-image", "", fmt.Sprintf("gcr.io/up9-docker-hub/mizu/%s:%s", mizu.Branch, mizu.SemVer), "Custom image for mizu collector")
tapCmd.Flags().StringArrayVarP(&mizuTapOptions.PlainTextFilterRegexes, "regex-masking", "r", nil, "List of regex expressions that are used to filter matching values from text/plain http bodies")
tapCmd.Flags().StringVarP(&direction, "direction", "", "in", "Record traffic that goes in this direction (relative to the tapped pod): in/any")
tapCmd.Flags().BoolVar(&mizuTapOptions.HideHealthChecks, "hide-healthchecks", false, "hides requests with kube-probe or prometheus user-agent headers")
tapCmd.Flags().StringVarP(&humanMaxEntriesDBSize, maxEntriesDBSizeFlagName, "", "200MB", "override the default max entries db size of 200mb")
}

360
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package cmd
import (
"context"
"fmt"
"github.com/romana/rlog"
"github.com/up9inc/mizu/cli/kubernetes"
"github.com/up9inc/mizu/cli/mizu"
"github.com/up9inc/mizu/shared"
"github.com/up9inc/mizu/shared/debounce"
core "k8s.io/api/core/v1"
"log"
"net/http"
"net/url"
"os"
"os/signal"
"regexp"
"syscall"
"time"
)
var mizuServiceAccountExists bool
var aggregatorService *core.Service
const (
updateTappersDelay = 5 * time.Second
)
var currentlyTappedPods []core.Pod
func RunMizuTap(podRegexQuery *regexp.Regexp, tappingOptions *MizuTapOptions) {
mizuApiFilteringOptions, err := getMizuApiFilteringOptions(tappingOptions)
if err != nil {
return
}
kubernetesProvider := kubernetes.NewProvider(tappingOptions.KubeConfigPath)
defer cleanUpMizuResources(kubernetesProvider)
ctx, cancel := context.WithCancel(context.Background())
defer cancel() // cancel will be called when this function exits
targetNamespace := getNamespace(tappingOptions, kubernetesProvider)
if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegexQuery, targetNamespace); err != nil {
return
} else {
currentlyTappedPods = matchingPods
}
var namespacesStr string
if targetNamespace != mizu.K8sAllNamespaces {
namespacesStr = fmt.Sprintf("namespace \"%s\"", targetNamespace)
} else {
namespacesStr = "all namespaces"
}
fmt.Printf("Tapping pods in %s\n", namespacesStr)
if len(currentlyTappedPods) == 0 {
var suggestionStr string
if targetNamespace != mizu.K8sAllNamespaces {
suggestionStr = "\nSelect a different namespace with -n or tap all namespaces with -A"
}
fmt.Printf("Did not find any pods matching the regex argument%s\n", suggestionStr)
}
nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
if err != nil {
return
}
if err := createMizuResources(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions, mizuApiFilteringOptions); err != nil {
return
}
go portForwardApiPod(ctx, kubernetesProvider, cancel, tappingOptions) // TODO convert this to job for built in pod ttl or have the running app handle this
go watchPodsForTapping(ctx, kubernetesProvider, cancel, podRegexQuery, tappingOptions)
go syncApiStatus(ctx, cancel, tappingOptions)
//block until exit signal or error
waitForFinish(ctx, cancel)
}
func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, tappingOptions *MizuTapOptions, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
if err := createMizuAggregator(ctx, kubernetesProvider, tappingOptions, mizuApiFilteringOptions); err != nil {
return err
}
if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions); err != nil {
return err
}
return nil
}
func createMizuAggregator(ctx context.Context, kubernetesProvider *kubernetes.Provider, tappingOptions *MizuTapOptions, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
var err error
mizuServiceAccountExists = createRBACIfNecessary(ctx, kubernetesProvider)
_, err = kubernetesProvider.CreateMizuAggregatorPod(ctx, mizu.ResourcesNamespace, mizu.AggregatorPodName, tappingOptions.MizuImage, mizuServiceAccountExists, mizuApiFilteringOptions, tappingOptions.MaxEntriesDBSizeBytes)
if err != nil {
fmt.Printf("Error creating mizu collector pod: %v\n", err)
return err
}
aggregatorService, err = kubernetesProvider.CreateService(ctx, mizu.ResourcesNamespace, mizu.AggregatorPodName, mizu.AggregatorPodName)
if err != nil {
fmt.Printf("Error creating mizu collector service: %v\n", err)
return err
}
return nil
}
func getMizuApiFilteringOptions(tappingOptions *MizuTapOptions) (*shared.TrafficFilteringOptions, error) {
var compiledRegexSlice []*shared.SerializableRegexp
if tappingOptions.PlainTextFilterRegexes != nil && len(tappingOptions.PlainTextFilterRegexes) > 0 {
compiledRegexSlice = make([]*shared.SerializableRegexp, 0)
for _, regexStr := range tappingOptions.PlainTextFilterRegexes {
compiledRegex, err := shared.CompileRegexToSerializableRegexp(regexStr)
if err != nil {
fmt.Printf("Regex %s is invalid: %v", regexStr, err)
return nil, err
}
compiledRegexSlice = append(compiledRegexSlice, compiledRegex)
}
}
return &shared.TrafficFilteringOptions{PlainTextMaskingRegexes: compiledRegexSlice, HideHealthChecks: tappingOptions.HideHealthChecks}, nil
}
func updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, tappingOptions *MizuTapOptions) error {
if len(nodeToTappedPodIPMap) > 0 {
if err := kubernetesProvider.ApplyMizuTapperDaemonSet(
ctx,
mizu.ResourcesNamespace,
mizu.TapperDaemonSetName,
tappingOptions.MizuImage,
mizu.TapperPodName,
fmt.Sprintf("%s.%s.svc.cluster.local", aggregatorService.Name, aggregatorService.Namespace),
nodeToTappedPodIPMap,
mizuServiceAccountExists,
tappingOptions.TapOutgoing,
); err != nil {
fmt.Printf("Error creating mizu tapper daemonset: %v\n", err)
return err
}
} else {
if err := kubernetesProvider.RemoveDaemonSet(ctx, mizu.ResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
fmt.Printf("Error deleting mizu tapper daemonset: %v\n", err)
return err
}
}
return nil
}
func cleanUpMizuResources(kubernetesProvider *kubernetes.Provider) {
fmt.Printf("\nRemoving mizu resources\n")
removalCtx, _ := context.WithTimeout(context.Background(), 5*time.Second)
if err := kubernetesProvider.RemovePod(removalCtx, mizu.ResourcesNamespace, mizu.AggregatorPodName); err != nil {
fmt.Printf("Error removing Pod %s in namespace %s: %s (%v,%+v)\n", mizu.AggregatorPodName, mizu.ResourcesNamespace, err, err, err)
}
if err := kubernetesProvider.RemoveService(removalCtx, mizu.ResourcesNamespace, mizu.AggregatorPodName); err != nil {
fmt.Printf("Error removing Service %s in namespace %s: %s (%v,%+v)\n", mizu.AggregatorPodName, mizu.ResourcesNamespace, err, err, err)
}
if err := kubernetesProvider.RemoveDaemonSet(removalCtx, mizu.ResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
fmt.Printf("Error removing DaemonSet %s in namespace %s: %s (%v,%+v)\n", mizu.TapperDaemonSetName, mizu.ResourcesNamespace, err, err, err)
}
}
func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc, podRegex *regexp.Regexp, tappingOptions *MizuTapOptions) {
targetNamespace := getNamespace(tappingOptions, kubernetesProvider)
added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, targetNamespace), podRegex)
restartTappers := func() {
if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegex, targetNamespace); err != nil {
fmt.Printf("Error getting pods by regex: %s (%v,%+v)\n", err, err, err)
cancel()
} else {
currentlyTappedPods = matchingPods
}
nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
if err != nil {
fmt.Printf("Error building node to ips map: %s (%v,%+v)\n", err, err, err)
cancel()
}
if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions); err != nil {
fmt.Printf("Error updating daemonset: %s (%v,%+v)\n", err, err, err)
cancel()
}
}
restartTappersDebouncer := debounce.NewDebouncer(updateTappersDelay, restartTappers)
for {
select {
case newTarget := <-added:
fmt.Printf(mizu.Green, fmt.Sprintf("+%s\n", newTarget.Name))
case removedTarget := <-removed:
fmt.Printf(mizu.Red, fmt.Sprintf("-%s\n", removedTarget.Name))
restartTappersDebouncer.SetOn()
case modifiedTarget := <-modified:
// Act only if the modified pod has already obtained an IP address.
// After filtering for IPs, on a normal pod restart this includes the following events:
// - Pod deletion
// - Pod reaches start state
// - Pod reaches ready state
// Ready/unready transitions might also trigger this event.
if modifiedTarget.Status.PodIP != "" {
restartTappersDebouncer.SetOn()
}
case <-errorChan:
// TODO: Does this also perform cleanup?
cancel()
case <-ctx.Done():
return
}
}
}
func portForwardApiPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc, tappingOptions *MizuTapOptions) {
podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s$", mizu.AggregatorPodName))
added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, mizu.ResourcesNamespace), podExactRegex)
isPodReady := false
for {
select {
case <-added:
continue
case <-removed:
fmt.Printf("%s removed\n", mizu.AggregatorPodName)
cancel()
return
case modifiedPod := <-modified:
if modifiedPod.Status.Phase == "Running" && !isPodReady {
isPodReady = true
go func() {
err := kubernetes.StartProxy(kubernetesProvider, tappingOptions.GuiPort, mizu.ResourcesNamespace, mizu.AggregatorPodName)
if err != nil {
fmt.Printf("Error occured while running k8s proxy %v\n", err)
cancel()
}
}()
mizuProxiedUrl := kubernetes.GetMizuCollectorProxiedHostAndPath(tappingOptions.GuiPort)
fmt.Printf("Mizu is available at http://%s\n", mizuProxiedUrl)
time.Sleep(time.Second * 5) // Waiting to be sure the proxy is ready
if tappingOptions.Analysis {
urlPath := fmt.Sprintf("http://%s/api/uploadEntries?dest=%s&interval=%v", mizuProxiedUrl, url.QueryEscape(tappingOptions.AnalysisDestination), tappingOptions.SleepIntervalSec)
u, err := url.ParseRequestURI(urlPath)
if err != nil {
log.Fatal(fmt.Sprintf("Failed parsing the URL %v\n", err))
}
rlog.Debugf("Sending get request to %v\n", u.String())
if response, err := http.Get(u.String()); err != nil || response.StatusCode != 200 {
fmt.Printf("error sending upload entries req, status code: %v, err: %v\n", response.StatusCode, err)
} else {
fmt.Printf(mizu.Purple, "Traffic is uploading to UP9 for further analsys")
fmt.Println()
}
}
}
case <-time.After(25 * time.Second):
if !isPodReady {
fmt.Printf("error: %s pod was not ready in time", mizu.AggregatorPodName)
cancel()
}
case <-errorChan:
cancel()
case <-ctx.Done():
return
}
}
}
func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) bool {
mizuRBACExists, err := kubernetesProvider.DoesMizuRBACExist(ctx, mizu.ResourcesNamespace)
if err != nil {
fmt.Printf("warning: could not ensure mizu rbac resources exist %v\n", err)
return false
}
if !mizuRBACExists {
err := kubernetesProvider.CreateMizuRBAC(ctx, mizu.ResourcesNamespace, mizu.RBACVersion)
if err != nil {
fmt.Printf("warning: could not create mizu rbac resources %v\n", err)
return false
}
}
return true
}
func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) (map[string][]string, error) {
nodeToTappedPodIPMap := make(map[string][]string, 0)
for _, pod := range tappedPods {
existingList := nodeToTappedPodIPMap[pod.Spec.NodeName]
if existingList == nil {
nodeToTappedPodIPMap[pod.Spec.NodeName] = []string{pod.Status.PodIP}
} else {
nodeToTappedPodIPMap[pod.Spec.NodeName] = append(nodeToTappedPodIPMap[pod.Spec.NodeName], pod.Status.PodIP)
}
}
return nodeToTappedPodIPMap, nil
}
func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
// block until ctx cancel is called or termination signal is received
select {
case <-ctx.Done():
break
case <-sigChan:
cancel()
}
}
func syncApiStatus(ctx context.Context, cancel context.CancelFunc, tappingOptions *MizuTapOptions) {
controlSocketStr := fmt.Sprintf("ws://%s/ws", kubernetes.GetMizuCollectorProxiedHostAndPath(tappingOptions.GuiPort))
controlSocket, err := mizu.CreateControlSocket(controlSocketStr)
if err != nil {
fmt.Printf("error establishing control socket connection %s\n", err)
cancel()
}
for {
select {
case <-ctx.Done():
return
default:
err = controlSocket.SendNewTappedPodsListMessage(currentlyTappedPods)
if err != nil {
rlog.Debugf("error Sending message via control socket %v, error: %s\n", controlSocketStr, err)
}
time.Sleep(10 * time.Second)
}
}
}
func getNamespace(tappingOptions *MizuTapOptions, kubernetesProvider *kubernetes.Provider) string {
if tappingOptions.AllNamespaces {
return mizu.K8sAllNamespaces
} else if len(tappingOptions.Namespace) > 0 {
return tappingOptions.Namespace
} else {
return kubernetesProvider.CurrentNamespace()
}
}

40
cli/cmd/version.go Normal file
View File

@@ -0,0 +1,40 @@
package cmd
import (
"fmt"
"github.com/up9inc/mizu/cli/mizu"
"strconv"
"time"
"github.com/spf13/cobra"
)
type MizuVersionOptions struct {
DebugInfo bool
}
var mizuVersionOptions = &MizuVersionOptions{}
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print version info",
RunE: func(cmd *cobra.Command, args []string) error {
if mizuVersionOptions.DebugInfo {
timeStampInt, _ := strconv.ParseInt(mizu.BuildTimestamp, 10, 0)
fmt.Printf("Version: %s \nBranch: %s (%s) \n", mizu.SemVer, mizu.Branch, mizu.GitCommitHash)
fmt.Printf("Build Time: %s (%s)\n", mizu.BuildTimestamp, time.Unix(timeStampInt, 0))
} else {
fmt.Printf("Version: %s (%s)\n", mizu.SemVer, mizu.Branch)
}
return nil
},
}
func init() {
rootCmd.AddCommand(versionCmd)
versionCmd.Flags().BoolVarP(&mizuVersionOptions.DebugInfo, "debug", "d", false, "Provide all information about version")
}

33
cli/cmd/view.go Normal file
View File

@@ -0,0 +1,33 @@
package cmd
import (
"github.com/spf13/cobra"
"github.com/up9inc/mizu/cli/mizu"
)
type MizuViewOptions struct {
GuiPort uint16
}
var mizuViewOptions = &MizuViewOptions{}
var viewCmd = &cobra.Command{
Use: "view",
Short: "Open GUI in browser",
RunE: func(cmd *cobra.Command, args []string) error {
if !mizu.CheckVersionCompatibility(mizuFetchOptions.MizuPort) {
return nil
}
runMizuView(mizuViewOptions)
return nil
},
}
func init() {
rootCmd.AddCommand(viewCmd)
viewCmd.Flags().Uint16VarP(&mizuViewOptions.GuiPort, "gui-port", "p", 8899, "Provide a custom port for the web interface webserver")
}

39
cli/cmd/viewRunner.go Normal file
View File

@@ -0,0 +1,39 @@
package cmd
import (
"context"
"fmt"
"github.com/up9inc/mizu/cli/kubernetes"
"github.com/up9inc/mizu/cli/mizu"
"net/http"
)
func runMizuView(mizuViewOptions *MizuViewOptions) {
kubernetesProvider := kubernetes.NewProvider("")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
exists, err := kubernetesProvider.DoesServicesExist(ctx, mizu.ResourcesNamespace, mizu.AggregatorPodName)
if err != nil {
panic(err)
}
if !exists {
fmt.Printf("The %s service not found\n", mizu.AggregatorPodName)
return
}
mizuProxiedUrl := kubernetes.GetMizuCollectorProxiedHostAndPath(mizuViewOptions.GuiPort)
_, err = http.Get(fmt.Sprintf("http://%s/", mizuProxiedUrl))
if err == nil {
fmt.Printf("Found a running service %s and open port %d\n", mizu.AggregatorPodName, mizuViewOptions.GuiPort)
return
}
fmt.Printf("Found service %s, creating k8s proxy\n", mizu.AggregatorPodName)
fmt.Printf("Mizu is available at http://%s\n", kubernetes.GetMizuCollectorProxiedHostAndPath(mizuViewOptions.GuiPort))
err = kubernetes.StartProxy(kubernetesProvider, mizuViewOptions.GuiPort, mizu.ResourcesNamespace, mizu.AggregatorPodName)
if err != nil {
fmt.Printf("Error occured while running k8s proxy %v\n", err)
}
}

16
cli/go.mod Normal file
View File

@@ -0,0 +1,16 @@
module github.com/up9inc/mizu/cli
go 1.16
require (
github.com/gorilla/websocket v1.4.2
github.com/romana/rlog v0.0.0-20171115192701-f018bc92e7d7
github.com/spf13/cobra v1.1.3
github.com/up9inc/mizu/shared v0.0.0
k8s.io/api v0.21.2
k8s.io/apimachinery v0.21.2
k8s.io/client-go v0.21.2
k8s.io/kubectl v0.21.2
)
replace github.com/up9inc/mizu/shared v0.0.0 => ../shared

725
cli/go.sum Normal file
View File

@@ -0,0 +1,725 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
cloud.google.com/go v0.54.0 h1:3ithwDMr7/3vpAMXiH+ZQnYbuIsh+OPhUPMFC9enmn0=
cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Azure/go-autorest/autorest v0.11.12 h1:gI8ytXbxMfI+IVbI9mP2JGCTXIuhHLgRlvQ9X4PsnHE=
github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
github.com/Azure/go-autorest/autorest/adal v0.9.5 h1:Y3bBUV4rTuxenJJs41HU3qmqsb+auo+a3Lz+PlJPpL0=
github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
github.com/Azure/go-autorest/autorest/mocks v0.4.1 h1:K0laFcLE6VLTOwNgSxaGbUcLPuGXlNkbVvq4cW4nIHk=
github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
github.com/Azure/go-autorest/logger v0.2.0 h1:e4RVHVZKC5p6UANLJHkM4OfR1UKZPj8Wt8Pcx+3oqrE=
github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5/go.mod h1:/iP1qXHoty45bqomnu2LM+VVyAEdWN+vtSHGlQgyxbw=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/daviddengcn/go-colortext v0.0.0-20160507010035-511bcaf42ccd/go.mod h1:dv4zxwHi5C/8AeI+4gX4dCWOIvNi7I6JCSX0HvlKPgE=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w=
github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/evanphx/json-patch v4.5.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d/go.mod h1:ZZMPRZwes7CROmyNKgQzC3XPs6L/G2EJLHddWejkmf4=
github.com/fatih/camelcase v1.0.0/go.mod h1:yN2Sb0lFhZJUdVvtELVWefmrXpuZESvPmqwoZc+/fpc=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/form3tech-oss/jwt-go v3.2.2+incompatible h1:TcekIExNqud5crz4xD2pavyTgWiPvpYe4Xau31I0PRk=
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github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
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github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
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github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
github.com/spf13/cobra v1.0.0/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
github.com/spf13/cobra v1.1.1/go.mod h1:WnodtKOvamDL/PwE2M4iKs8aMDBZ5Q5klgD3qfVJQMI=
github.com/spf13/cobra v1.1.3 h1:xghbfqPkxzxP3C/f3n5DdpAbdKLj4ZE4BWQI362l53M=
github.com/spf13/cobra v1.1.3/go.mod h1:pGADOWyqRD/YMrPZigI/zbliZ2wVD/23d+is3pSWzOo=
github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
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github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
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github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=
github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
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go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
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golang.org/x/exp v0.0.0-20190829153037-c13cbed26979/go.mod h1:86+5VVa7VpoJ4kLfm080zCjGlMRFzhUhsZKEZO7MGek=
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
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golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190320064053-1272bf9dcd53/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
k8s.io/api v0.21.2 h1:vz7DqmRsXTCSa6pNxXwQ1IYeAZgdIsua+DZU+o+SX3Y=
k8s.io/api v0.21.2/go.mod h1:Lv6UGJZ1rlMI1qusN8ruAp9PUBFyBwpEHAdG24vIsiU=
k8s.io/apimachinery v0.21.2 h1:vezUc/BHqWlQDnZ+XkrpXSmnANSLbpnlpwo0Lhk0gpc=
k8s.io/apimachinery v0.21.2/go.mod h1:CdTY8fU/BlvAbJ2z/8kBwimGki5Zp8/fbVuLY8gJumM=
k8s.io/cli-runtime v0.21.2/go.mod h1:8u/jFcM0QpoI28f6sfrAAIslLCXUYKD5SsPPMWiHYrI=
k8s.io/client-go v0.21.2 h1:Q1j4L/iMN4pTw6Y4DWppBoUxgKO8LbffEMVEV00MUp0=
k8s.io/client-go v0.21.2/go.mod h1:HdJ9iknWpbl3vMGtib6T2PyI/VYxiZfq936WNVHBRrA=
k8s.io/code-generator v0.21.2/go.mod h1:8mXJDCB7HcRo1xiEQstcguZkbxZaqeUOrO9SsicWs3U=
k8s.io/component-base v0.21.2/go.mod h1:9lvmIThzdlrJj5Hp8Z/TOgIkdfsNARQ1pT+3PByuiuc=
k8s.io/component-helpers v0.21.2/go.mod h1:DbyFt/A0p6Cv+R5+QOGSJ5f5t4xDfI8Yb89a57DgJlQ=
k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
k8s.io/gengo v0.0.0-20201214224949-b6c5ce23f027/go.mod h1:FiNAH4ZV3gBg2Kwh89tzAEV2be7d5xI0vBa/VySYy3E=
k8s.io/klog/v2 v2.0.0/go.mod h1:PBfzABfn139FHAV07az/IF9Wp1bkk3vpT2XSJ76fSDE=
k8s.io/klog/v2 v2.2.0/go.mod h1:Od+F08eJP+W3HUb4pSrPpgp9DGU4GzlpG/TmITuYh/Y=
k8s.io/klog/v2 v2.8.0 h1:Q3gmuM9hKEjefWFFYF0Mat+YyFJvsUyYuwyNNJ5C9Ts=
k8s.io/klog/v2 v2.8.0/go.mod h1:hy9LJ/NvuK+iVyP4Ehqva4HxZG/oXyIS3n3Jmire4Ec=
k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iLV8FpR2uDvrFyomxbtb1KivDbvPTE=
k8s.io/kubectl v0.21.2 h1:9XPCetvOMDqrIZZXb1Ei+g8t6KrIp9ENJaysQjUuLiE=
k8s.io/kubectl v0.21.2/go.mod h1:PgeUclpG8VVmmQIl8zpLar3IQEpFc9mrmvlwY3CK1xo=
k8s.io/metrics v0.21.2/go.mod h1:wzlOINZMCtWq8dR9gHlyaOemmYlOpAoldEIXE82gAhI=
k8s.io/utils v0.0.0-20201110183641-67b214c5f920 h1:CbnUZsM497iRC5QMVkHwyl8s2tB3g7yaSHkYPkpgelw=
k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
sigs.k8s.io/kustomize/api v0.8.8/go.mod h1:He1zoK0nk43Pc6NlV085xDXDXTNprtcyKZVm3swsdNY=
sigs.k8s.io/kustomize/cmd/config v0.9.10/go.mod h1:Mrby0WnRH7hA6OwOYnYpfpiY0WJIMgYrEDfwOeFdMK0=
sigs.k8s.io/kustomize/kustomize/v4 v4.1.2/go.mod h1:PxBvo4WGYlCLeRPL+ziT64wBXqbgfcalOS/SXa/tcyo=
sigs.k8s.io/kustomize/kyaml v0.10.17/go.mod h1:mlQFagmkm1P+W4lZJbJ/yaxMd8PqMRSC4cPcfUVt5Hg=
sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
sigs.k8s.io/structured-merge-diff/v4 v4.1.0 h1:C4r9BgJ98vrKnnVCjwCSXcWjWe0NKcUQkmzDXZXGwH8=
sigs.k8s.io/structured-merge-diff/v4 v4.1.0/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

491
cli/kubernetes/provider.go Normal file
View File

@@ -0,0 +1,491 @@
package kubernetes
import (
_ "bytes"
"context"
"encoding/json"
"errors"
"fmt"
"path/filepath"
"regexp"
"strconv"
"github.com/up9inc/mizu/shared"
core "k8s.io/api/core/v1"
rbac "k8s.io/api/rbac/v1"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
resource "k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/watch"
applyconfapp "k8s.io/client-go/applyconfigurations/apps/v1"
applyconfcore "k8s.io/client-go/applyconfigurations/core/v1"
applyconfmeta "k8s.io/client-go/applyconfigurations/meta/v1"
"k8s.io/client-go/kubernetes"
_ "k8s.io/client-go/plugin/pkg/client/auth/azure"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
_ "k8s.io/client-go/plugin/pkg/client/auth/openstack"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
_ "k8s.io/client-go/tools/portforward"
"k8s.io/client-go/util/homedir"
)
type Provider struct {
clientSet *kubernetes.Clientset
kubernetesConfig clientcmd.ClientConfig
clientConfig restclient.Config
Namespace string
}
const (
serviceAccountName = "mizu-service-account"
fieldManagerName = "mizu-manager"
)
func NewProvider(kubeConfigPath string) *Provider {
kubernetesConfig := loadKubernetesConfiguration(kubeConfigPath)
restClientConfig, err := kubernetesConfig.ClientConfig()
if err != nil {
panic(err.Error())
}
clientSet := getClientSet(restClientConfig)
return &Provider{
clientSet: clientSet,
kubernetesConfig: kubernetesConfig,
clientConfig: *restClientConfig,
}
}
func (provider *Provider) CurrentNamespace() string {
ns, _, _ := provider.kubernetesConfig.Namespace()
return ns
}
func (provider *Provider) GetPodWatcher(ctx context.Context, namespace string) watch.Interface {
watcher, err := provider.clientSet.CoreV1().Pods(namespace).Watch(ctx, metav1.ListOptions{Watch: true})
if err != nil {
panic(err.Error())
}
return watcher
}
func (provider *Provider) CreateMizuAggregatorPod(ctx context.Context, namespace string, podName string, podImage string, linkServiceAccount bool, mizuApiFilteringOptions *shared.TrafficFilteringOptions, maxEntriesDBSizeBytes int64) (*core.Pod, error) {
marshaledFilteringOptions, err := json.Marshal(mizuApiFilteringOptions)
if err != nil {
return nil, err
}
cpuLimit, err := resource.ParseQuantity("750m")
if err != nil {
return nil, errors.New("invalid cpu limit for aggregator container")
}
memLimit, err := resource.ParseQuantity("512Mi")
if err != nil {
return nil, errors.New("invalid memory limit for aggregator container")
}
cpuRequests, err := resource.ParseQuantity("50m")
if err != nil {
return nil, errors.New("invalid cpu request for aggregator container")
}
memRequests, err := resource.ParseQuantity("50Mi")
if err != nil {
return nil, errors.New("invalid memory request for aggregator container")
}
pod := &core.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: podName,
Namespace: namespace,
Labels: map[string]string{"app": podName},
},
Spec: core.PodSpec{
Containers: []core.Container{
{
Name: podName,
Image: podImage,
ImagePullPolicy: core.PullAlways,
Command: []string{"./mizuagent", "--aggregator"},
Env: []core.EnvVar{
{
Name: shared.HostModeEnvVar,
Value: "1",
},
{
Name: shared.MizuFilteringOptionsEnvVar,
Value: string(marshaledFilteringOptions),
},
{
Name: shared.MaxEntriesDBSizeByteSEnvVar,
Value: strconv.FormatInt(maxEntriesDBSizeBytes, 10),
},
},
Resources: core.ResourceRequirements{
Limits: core.ResourceList{
"cpu": cpuLimit,
"memory": memLimit,
},
Requests: core.ResourceList{
"cpu": cpuRequests,
"memory": memRequests,
},
},
},
},
DNSPolicy: core.DNSClusterFirstWithHostNet,
TerminationGracePeriodSeconds: new(int64),
},
}
//define the service account only when it exists to prevent pod crash
if linkServiceAccount {
pod.Spec.ServiceAccountName = serviceAccountName
}
return provider.clientSet.CoreV1().Pods(namespace).Create(ctx, pod, metav1.CreateOptions{})
}
func (provider *Provider) CreateService(ctx context.Context, namespace string, serviceName string, appLabelValue string) (*core.Service, error) {
service := core.Service{
ObjectMeta: metav1.ObjectMeta{
Name: serviceName,
Namespace: namespace,
},
Spec: core.ServiceSpec{
Ports: []core.ServicePort{{TargetPort: intstr.FromInt(8899), Port: 80}},
Type: core.ServiceTypeClusterIP,
Selector: map[string]string{"app": appLabelValue},
},
}
return provider.clientSet.CoreV1().Services(namespace).Create(ctx, &service, metav1.CreateOptions{})
}
func (provider *Provider) DoesMizuRBACExist(ctx context.Context, namespace string) (bool, error) {
serviceAccount, err := provider.clientSet.CoreV1().ServiceAccounts(namespace).Get(ctx, serviceAccountName, metav1.GetOptions{})
var statusError *k8serrors.StatusError
if errors.As(err, &statusError) {
// expected behavior when resource does not exist
if statusError.ErrStatus.Reason == metav1.StatusReasonNotFound {
return false, nil
}
}
if err != nil {
return false, err
}
return serviceAccount != nil, nil
}
func (provider *Provider) DoesServicesExist(ctx context.Context, namespace string, serviceName string) (bool, error) {
service, err := provider.clientSet.CoreV1().Services(namespace).Get(ctx, serviceName, metav1.GetOptions{})
var statusError *k8serrors.StatusError
if errors.As(err, &statusError) {
if statusError.ErrStatus.Reason == metav1.StatusReasonNotFound {
return false, nil
}
}
if err != nil {
return false, err
}
return service != nil, nil
}
func (provider *Provider) CreateMizuRBAC(ctx context.Context, namespace string, version string) error {
clusterRoleName := "mizu-cluster-role"
serviceAccount := &core.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
Name: serviceAccountName,
Namespace: namespace,
Labels: map[string]string{"mizu-cli-version": version},
},
}
clusterRole := &rbac.ClusterRole{
ObjectMeta: metav1.ObjectMeta{
Name: clusterRoleName,
Labels: map[string]string{"mizu-cli-version": version},
},
Rules: []rbac.PolicyRule{
{
APIGroups: []string{"", "extensions", "apps"},
Resources: []string{"pods", "services", "endpoints"},
Verbs: []string{"list", "get", "watch"},
},
},
}
clusterRoleBinding := &rbac.ClusterRoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: "mizu-cluster-role-binding",
Labels: map[string]string{"mizu-cli-version": version},
},
RoleRef: rbac.RoleRef{
Name: clusterRoleName,
Kind: "ClusterRole",
APIGroup: "rbac.authorization.k8s.io",
},
Subjects: []rbac.Subject{
{
Kind: "ServiceAccount",
Name: serviceAccountName,
Namespace: namespace,
},
},
}
_, err := provider.clientSet.CoreV1().ServiceAccounts(namespace).Create(ctx, serviceAccount, metav1.CreateOptions{})
if err != nil {
return err
}
_, err = provider.clientSet.RbacV1().ClusterRoles().Create(ctx, clusterRole, metav1.CreateOptions{})
if err != nil {
return err
}
_, err = provider.clientSet.RbacV1().ClusterRoleBindings().Create(ctx, clusterRoleBinding, metav1.CreateOptions{})
if err != nil {
return err
}
return nil
}
func (provider *Provider) RemovePod(ctx context.Context, namespace string, podName string) error {
if isFound, err := provider.CheckPodExists(ctx, namespace, podName);
err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.CoreV1().Pods(namespace).Delete(ctx, podName, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveService(ctx context.Context, namespace string, serviceName string) error {
if isFound, err := provider.CheckServiceExists(ctx, namespace, serviceName);
err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.CoreV1().Services(namespace).Delete(ctx, serviceName, metav1.DeleteOptions{})
}
func (provider *Provider) RemoveDaemonSet(ctx context.Context, namespace string, daemonSetName string) error {
if isFound, err := provider.CheckDaemonSetExists(ctx, namespace, daemonSetName);
err != nil {
return err
} else if !isFound {
return nil
}
return provider.clientSet.AppsV1().DaemonSets(namespace).Delete(ctx, daemonSetName, metav1.DeleteOptions{})
}
func (provider *Provider) CheckPodExists(ctx context.Context, namespace string, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.CoreV1().Pods(namespace).List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) CheckServiceExists(ctx context.Context, namespace string, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.CoreV1().Services(namespace).List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) CheckDaemonSetExists(ctx context.Context, namespace string, name string) (bool, error) {
listOptions := metav1.ListOptions{
FieldSelector: fmt.Sprintf("metadata.name=%s", name),
Limit: 1,
}
resourceList, err := provider.clientSet.AppsV1().DaemonSets(namespace).List(ctx, listOptions)
if err != nil {
return false, err
}
if len(resourceList.Items) > 0 {
return true, nil
}
return false, nil
}
func (provider *Provider) ApplyMizuTapperDaemonSet(ctx context.Context, namespace string, daemonSetName string, podImage string, tapperPodName string, aggregatorPodIp string, nodeToTappedPodIPMap map[string][]string, linkServiceAccount bool, tapOutgoing bool) error {
if len(nodeToTappedPodIPMap) == 0 {
return fmt.Errorf("Daemon set %s must tap at least 1 pod", daemonSetName)
}
nodeToTappedPodIPMapJsonStr, err := json.Marshal(nodeToTappedPodIPMap)
if err != nil {
return err
}
mizuCmd := []string{
"./mizuagent",
"-i", "any",
"--tap",
"--hardump",
"--aggregator-address", fmt.Sprintf("ws://%s/wsTapper", aggregatorPodIp),
}
if tapOutgoing {
mizuCmd = append(mizuCmd, "--anydirection")
}
privileged := true
agentContainer := applyconfcore.Container()
agentContainer.WithName(tapperPodName)
agentContainer.WithImage(podImage)
agentContainer.WithImagePullPolicy(core.PullAlways)
agentContainer.WithSecurityContext(applyconfcore.SecurityContext().WithPrivileged(privileged))
agentContainer.WithCommand(mizuCmd...)
agentContainer.WithEnv(
applyconfcore.EnvVar().WithName(shared.HostModeEnvVar).WithValue("1"),
applyconfcore.EnvVar().WithName(shared.TappedAddressesPerNodeDictEnvVar).WithValue(string(nodeToTappedPodIPMapJsonStr)),
)
agentContainer.WithEnv(
applyconfcore.EnvVar().WithName(shared.NodeNameEnvVar).WithValueFrom(
applyconfcore.EnvVarSource().WithFieldRef(
applyconfcore.ObjectFieldSelector().WithAPIVersion("v1").WithFieldPath("spec.nodeName"),
),
),
)
cpuLimit, err := resource.ParseQuantity("500m")
if err != nil {
return errors.New("invalid cpu limit for tapper container")
}
memLimit, err := resource.ParseQuantity("1Gi")
if err != nil {
return errors.New("invalid memory limit for tapper container")
}
cpuRequests, err := resource.ParseQuantity("50m")
if err != nil {
return errors.New("invalid cpu request for tapper container")
}
memRequests, err := resource.ParseQuantity("50Mi")
if err != nil {
return errors.New("invalid memory request for tapper container")
}
agentResourceLimits := core.ResourceList{
"cpu": cpuLimit,
"memory": memLimit,
}
agentResourceRequests := core.ResourceList{
"cpu": cpuRequests,
"memory": memRequests,
}
agentResources := applyconfcore.ResourceRequirements().WithRequests(agentResourceRequests).WithLimits(agentResourceLimits)
agentContainer.WithResources(agentResources)
nodeNames := make([]string, 0, len(nodeToTappedPodIPMap))
for nodeName := range nodeToTappedPodIPMap {
nodeNames = append(nodeNames, nodeName)
}
nodeSelectorRequirement := applyconfcore.NodeSelectorRequirement()
nodeSelectorRequirement.WithKey("kubernetes.io/hostname")
nodeSelectorRequirement.WithOperator(core.NodeSelectorOpIn)
nodeSelectorRequirement.WithValues(nodeNames...)
nodeSelectorTerm := applyconfcore.NodeSelectorTerm()
nodeSelectorTerm.WithMatchExpressions(nodeSelectorRequirement)
nodeSelector := applyconfcore.NodeSelector()
nodeSelector.WithNodeSelectorTerms(nodeSelectorTerm)
nodeAffinity := applyconfcore.NodeAffinity()
nodeAffinity.WithRequiredDuringSchedulingIgnoredDuringExecution(nodeSelector)
affinity := applyconfcore.Affinity()
affinity.WithNodeAffinity(nodeAffinity)
noExecuteToleration := applyconfcore.Toleration()
noExecuteToleration.WithOperator(core.TolerationOpExists)
noExecuteToleration.WithEffect(core.TaintEffectNoExecute)
noScheduleToleration := applyconfcore.Toleration()
noScheduleToleration.WithOperator(core.TolerationOpExists)
noScheduleToleration.WithEffect(core.TaintEffectNoSchedule)
podSpec := applyconfcore.PodSpec()
podSpec.WithHostNetwork(true)
podSpec.WithDNSPolicy(core.DNSClusterFirstWithHostNet)
podSpec.WithTerminationGracePeriodSeconds(0)
if linkServiceAccount {
podSpec.WithServiceAccountName(serviceAccountName)
}
podSpec.WithContainers(agentContainer)
podSpec.WithAffinity(affinity)
podSpec.WithTolerations(noExecuteToleration, noScheduleToleration)
podTemplate := applyconfcore.PodTemplateSpec()
podTemplate.WithLabels(map[string]string{"app": tapperPodName})
podTemplate.WithSpec(podSpec)
labelSelector := applyconfmeta.LabelSelector()
labelSelector.WithMatchLabels(map[string]string{"app": tapperPodName})
daemonSet := applyconfapp.DaemonSet(daemonSetName, namespace)
daemonSet.WithSpec(applyconfapp.DaemonSetSpec().WithSelector(labelSelector).WithTemplate(podTemplate))
_, err = provider.clientSet.AppsV1().DaemonSets(namespace).Apply(ctx, daemonSet, metav1.ApplyOptions{FieldManager: fieldManagerName})
return err
}
func (provider *Provider) GetAllPodsMatchingRegex(ctx context.Context, regex *regexp.Regexp, namespace string) ([]core.Pod, error) {
pods, err := provider.clientSet.CoreV1().Pods(namespace).List(ctx, metav1.ListOptions{})
if err != nil {
return nil, err
}
matchingPods := make([]core.Pod, 0)
for _, pod := range pods.Items {
if regex.MatchString(pod.Name) {
matchingPods = append(matchingPods, pod)
}
}
return matchingPods, err
}
func getClientSet(config *restclient.Config) *kubernetes.Clientset {
clientSet, err := kubernetes.NewForConfig(config)
if err != nil {
panic(err.Error())
}
return clientSet
}
func loadKubernetesConfiguration(kubeConfigPath string) clientcmd.ClientConfig {
if kubeConfigPath == "" {
home := homedir.HomeDir()
kubeConfigPath = filepath.Join(home, ".kube", "config")
}
configPathList := filepath.SplitList(kubeConfigPath)
configLoadingRules := &clientcmd.ClientConfigLoadingRules{}
if len(configPathList) <= 1 {
configLoadingRules.ExplicitPath = kubeConfigPath
} else {
configLoadingRules.Precedence = configPathList
}
contextName := ""
return clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
configLoadingRules,
&clientcmd.ConfigOverrides{
CurrentContext: contextName,
},
)
}

63
cli/kubernetes/proxy.go Normal file
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@@ -0,0 +1,63 @@
package kubernetes
import (
"fmt"
"k8s.io/kubectl/pkg/proxy"
"net"
"net/http"
"strings"
"time"
)
const k8sProxyApiPrefix = "/"
const mizuServicePort = 80
func StartProxy(kubernetesProvider *Provider, mizuPort uint16, mizuNamespace string, mizuServiceName string) error {
filter := &proxy.FilterServer{
AcceptPaths: proxy.MakeRegexpArrayOrDie(proxy.DefaultPathAcceptRE),
RejectPaths: proxy.MakeRegexpArrayOrDie(proxy.DefaultPathRejectRE),
AcceptHosts: proxy.MakeRegexpArrayOrDie(proxy.DefaultHostAcceptRE),
RejectMethods: proxy.MakeRegexpArrayOrDie(proxy.DefaultMethodRejectRE),
}
proxyHandler, err := proxy.NewProxyHandler(k8sProxyApiPrefix, filter, &kubernetesProvider.clientConfig, time.Second*2)
if err != nil {
return err
}
mux := http.NewServeMux()
mux.Handle(k8sProxyApiPrefix, proxyHandler)
mux.Handle("/static/", getRerouteHttpHandlerMizuStatic(proxyHandler, mizuNamespace, mizuServiceName))
mux.Handle("/mizu/", getRerouteHttpHandlerMizuAPI(proxyHandler, mizuNamespace, mizuServiceName))
l, err := net.Listen("tcp", fmt.Sprintf("%s:%d", "127.0.0.1", int(mizuPort)))
if err != nil {
return err
}
server := http.Server{
Handler: mux,
}
return server.Serve(l)
}
func getMizuCollectorProxiedHostAndPath(mizuNamespace string, mizuServiceName string) string {
return fmt.Sprintf("/api/v1/namespaces/%s/services/%s:%d/proxy/", mizuNamespace, mizuServiceName, mizuServicePort)
}
func GetMizuCollectorProxiedHostAndPath(mizuPort uint16) string {
return fmt.Sprintf("localhost:%d/mizu", mizuPort)
}
func getRerouteHttpHandlerMizuAPI(proxyHandler http.Handler, mizuNamespace string, mizuServiceName string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.URL.Path = strings.Replace(r.URL.Path, "/mizu/", getMizuCollectorProxiedHostAndPath(mizuNamespace, mizuServiceName), 1)
proxyHandler.ServeHTTP(w, r)
})
}
func getRerouteHttpHandlerMizuStatic(proxyHandler http.Handler, mizuNamespace string, mizuServiceName string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.URL.Path = strings.Replace(r.URL.Path, "/static/", fmt.Sprintf("%s/static/", getMizuCollectorProxiedHostAndPath(mizuNamespace, mizuServiceName)), 1)
proxyHandler.ServeHTTP(w, r)
})
}

53
cli/kubernetes/watch.go Normal file
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@@ -0,0 +1,53 @@
package kubernetes
import (
"context"
"errors"
"regexp"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/watch"
)
func FilteredWatch(ctx context.Context, watcher watch.Interface, podFilter *regexp.Regexp) (chan *corev1.Pod, chan *corev1.Pod, chan *corev1.Pod, chan error) {
addedChan := make(chan *corev1.Pod)
modifiedChan := make(chan *corev1.Pod)
removedChan := make(chan *corev1.Pod)
errorChan := make(chan error)
go func() {
for {
select {
case e := <-watcher.ResultChan():
if e.Object == nil {
errorChan <- errors.New("kubernetes pod watch failed")
return
}
pod := e.Object.(*corev1.Pod)
if !podFilter.MatchString(pod.Name) {
continue
}
switch e.Type {
case watch.Added:
addedChan <- pod
case watch.Modified:
modifiedChan <- pod
case watch.Deleted:
removedChan <- pod
}
case <-ctx.Done():
watcher.Stop()
close(addedChan)
close(modifiedChan)
close(removedChan)
close(errorChan)
return
}
}
}()
return addedChan, modifiedChan, removedChan, errorChan
}

7
cli/mizu.go Normal file
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@@ -0,0 +1,7 @@
package main
import "github.com/up9inc/mizu/cli/cmd"
func main() {
cmd.Execute()
}

28
cli/mizu/consts.go Normal file
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@@ -0,0 +1,28 @@
package mizu
var (
SemVer = "0.0.1"
Branch = "develop"
GitCommitHash = "" // this var is overridden using ldflags in makefile when building
BuildTimestamp = "" // this var is overridden using ldflags in makefile when building
RBACVersion = "v1"
)
const (
ResourcesNamespace = "default"
TapperDaemonSetName = "mizu-tapper-daemon-set"
AggregatorPodName = "mizu-collector"
TapperPodName = "mizu-tapper"
K8sAllNamespaces = ""
)
const (
Black = "\033[1;30m%s\033[0m"
Red = "\033[1;31m%s\033[0m"
Green = "\033[1;32m%s\033[0m"
Yellow = "\033[1;33m%s\033[0m"
Purple = "\033[1;34m%s\033[0m"
Magenta = "\033[1;35m%s\033[0m"
Teal = "\033[1;36m%s\033[0m"
White = "\033[1;37m%s\033[0m"
)

42
cli/mizu/controlSocket.go Normal file
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@@ -0,0 +1,42 @@
package mizu
import (
"encoding/json"
"github.com/gorilla/websocket"
"github.com/up9inc/mizu/shared"
core "k8s.io/api/core/v1"
"time"
)
type ControlSocket struct {
connection *websocket.Conn
}
func CreateControlSocket(socketServerAddress string) (*ControlSocket, error) {
connection, err := shared.ConnectToSocketServer(socketServerAddress, 30, 2 * time.Second, true)
if err != nil {
return nil, err
} else {
return &ControlSocket{connection: connection}, nil
}
}
func (controlSocket *ControlSocket) SendNewTappedPodsListMessage(pods []core.Pod) error {
podInfos := make([]shared.PodInfo, 0)
for _, pod := range pods {
podInfos = append(podInfos, shared.PodInfo{Name: pod.Name, Namespace: pod.Namespace})
}
tapStatus := shared.TapStatus{Pods: podInfos}
socketMessage := shared.CreateWebSocketStatusMessage(tapStatus)
jsonMessage, err := json.Marshal(socketMessage)
if err != nil {
return err
}
err = controlSocket.connection.WriteMessage(websocket.TextMessage, jsonMessage)
if err != nil {
return err
}
return nil
}

40
cli/mizu/versionCheck.go Normal file
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@@ -0,0 +1,40 @@
package mizu
import (
"encoding/json"
"fmt"
"github.com/up9inc/mizu/shared"
"net/http"
"net/url"
)
func getApiVersion(port uint16) (string, error) {
versionUrl, _ := url.Parse(fmt.Sprintf("http://localhost:%d/mizu/metadata/version", port))
req := &http.Request{
Method: http.MethodGet,
URL: versionUrl,
}
statusResp, err := http.DefaultClient.Do(req)
if err != nil {
return "", err
}
defer statusResp.Body.Close()
versionResponse := &shared.VersionResponse{}
_ = json.NewDecoder(statusResp.Body).Decode(&versionResponse)
return versionResponse.SemVer, nil
}
func CheckVersionCompatibility(port uint16) bool {
apiSemVer, err := getApiVersion(port)
if err != nil {
return true
}
if apiSemVer == SemVer {
return true
}
fmt.Printf(Red, fmt.Sprintf("cli version (%s) is not compatible with api version (%s)\n", SemVer, apiSemVer))
return false
}

View File

@@ -0,0 +1,26 @@
package uiUtils
import (
"bufio"
"fmt"
"github.com/up9inc/mizu/cli/mizu"
"log"
"os"
"strings"
)
func AskForConfirmation(s string) bool {
reader := bufio.NewReader(os.Stdin)
fmt.Printf(mizu.Magenta, s)
response, err := reader.ReadString('\n')
if err != nil {
log.Fatal(err)
}
response = strings.ToLower(strings.TrimSpace(response))
if response == "" || response == "y" || response == "yes" {
return true
}
return false
}

View File

@@ -1,42 +0,0 @@
package cmd
import (
"fmt"
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/kubernetes/helm"
"github.com/kubeshark/kubeshark/misc"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var cleanCmd = &cobra.Command{
Use: "clean",
Short: fmt.Sprintf("Removes all %s resources", misc.Software),
RunE: func(cmd *cobra.Command, args []string) error {
resp, err := helm.NewHelm(
config.Config.Tap.Release.Repo,
config.Config.Tap.Release.Name,
config.Config.Tap.Release.Namespace,
).Uninstall()
if err != nil {
log.Error().Err(err).Send()
} else {
log.Info().Msgf("Uninstalled the Helm release: %s", resp.Release.Name)
}
return nil
},
}
func init() {
rootCmd.AddCommand(cleanCmd)
defaultTapConfig := configStructs.TapConfig{}
if err := defaults.Set(&defaultTapConfig); err != nil {
log.Debug().Err(err).Send()
}
cleanCmd.Flags().StringP(configStructs.ReleaseNamespaceLabel, "s", defaultTapConfig.Release.Namespace, "Release namespace of Kubeshark")
}

View File

@@ -1,117 +0,0 @@
package cmd
import (
"context"
"errors"
"fmt"
"path"
"regexp"
"time"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/errormessage"
"github.com/kubeshark/kubeshark/internal/connect"
"github.com/kubeshark/kubeshark/kubernetes"
"github.com/kubeshark/kubeshark/misc"
"github.com/kubeshark/kubeshark/misc/fsUtils"
"github.com/rs/zerolog/log"
)
func startProxyReportErrorIfAny(kubernetesProvider *kubernetes.Provider, ctx context.Context, serviceName string, podName string, proxyPortLabel string, srcPort uint16, dstPort uint16, healthCheck string) {
httpServer, err := kubernetes.StartProxy(kubernetesProvider, config.Config.Tap.Proxy.Host, srcPort, config.Config.Tap.Release.Namespace, serviceName)
if err != nil {
log.Error().
Err(errormessage.FormatError(err)).
Msg(fmt.Sprintf("Error occurred while running K8s proxy. Try setting different port using --%s", proxyPortLabel))
return
}
connector := connect.NewConnector(kubernetes.GetProxyOnPort(srcPort), connect.DefaultRetries, connect.DefaultTimeout)
if err := connector.TestConnection(healthCheck); err != nil {
log.Warn().
Str("service", serviceName).
Msg("Couldn't connect using proxy, stopping proxy and trying to create port-forward...")
if err := httpServer.Shutdown(ctx); err != nil {
log.Error().
Err(errormessage.FormatError(err)).
Msg("Error occurred while stopping proxy.")
}
podRegex, _ := regexp.Compile(podName)
if _, err := kubernetes.NewPortForward(kubernetesProvider, config.Config.Tap.Release.Namespace, podRegex, srcPort, dstPort, ctx); err != nil {
log.Error().
Str("pod-regex", podRegex.String()).
Err(errormessage.FormatError(err)).
Msg(fmt.Sprintf("Error occurred while running port forward. Try setting different port using --%s", proxyPortLabel))
return
}
connector = connect.NewConnector(kubernetes.GetProxyOnPort(srcPort), connect.DefaultRetries, connect.DefaultTimeout)
if err := connector.TestConnection(healthCheck); err != nil {
log.Error().
Str("service", serviceName).
Err(errormessage.FormatError(err)).
Msg("Couldn't connect to service.")
return
}
}
}
func getKubernetesProviderForCli(silent bool, dontCheckVersion bool) (*kubernetes.Provider, error) {
kubeConfigPath := config.Config.KubeConfigPath()
kubernetesProvider, err := kubernetes.NewProvider(kubeConfigPath, config.Config.Kube.Context)
if err != nil {
handleKubernetesProviderError(err)
return nil, err
}
if !silent {
log.Info().Str("path", kubeConfigPath).Msg("Using kubeconfig:")
}
if err := kubernetesProvider.ValidateNotProxy(); err != nil {
handleKubernetesProviderError(err)
return nil, err
}
if !dontCheckVersion {
kubernetesVersion, err := kubernetesProvider.GetKubernetesVersion()
if err != nil {
handleKubernetesProviderError(err)
return nil, err
}
if err := kubernetes.ValidateKubernetesVersion(kubernetesVersion); err != nil {
handleKubernetesProviderError(err)
return nil, err
}
}
return kubernetesProvider, nil
}
func handleKubernetesProviderError(err error) {
var clusterBehindProxyErr *kubernetes.ClusterBehindProxyError
if ok := errors.As(err, &clusterBehindProxyErr); ok {
log.Error().Msg(fmt.Sprintf("Cannot establish http-proxy connection to the Kubernetes cluster. If youre using Lens or similar tool, please run '%s' with regular kubectl config using --%v %v=$HOME/.kube/config flag", misc.Program, config.SetCommandName, config.KubeConfigPathConfigName))
} else {
log.Error().Err(err).Send()
}
}
func finishSelfExecution(kubernetesProvider *kubernetes.Provider) {
removalCtx, cancel := context.WithTimeout(context.Background(), cleanupTimeout)
defer cancel()
dumpLogsIfNeeded(removalCtx, kubernetesProvider)
}
func dumpLogsIfNeeded(ctx context.Context, kubernetesProvider *kubernetes.Provider) {
if !config.Config.DumpLogs {
return
}
dotDir := misc.GetDotFolderPath()
filePath := path.Join(dotDir, fmt.Sprintf("%s_logs_%s.zip", misc.Program, time.Now().Format("2006_01_02__15_04_05")))
if err := fsUtils.DumpLogs(ctx, kubernetesProvider, filePath, config.Config.Logs.Grep); err != nil {
log.Error().Err(err).Msg("Failed to dump logs.")
}
}

View File

@@ -1,55 +0,0 @@
package cmd
import (
"fmt"
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/misc"
"github.com/kubeshark/kubeshark/utils"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var configCmd = &cobra.Command{
Use: "config",
Short: fmt.Sprintf("Generate %s config with default values", misc.Software),
RunE: func(cmd *cobra.Command, args []string) error {
if config.Config.Config.Regenerate {
defaultConfig := config.CreateDefaultConfig()
if err := defaults.Set(&defaultConfig); err != nil {
log.Error().Err(err).Send()
return nil
}
if err := config.WriteConfig(&defaultConfig); err != nil {
log.Error().Err(err).Msg("Failed generating config with defaults.")
return nil
}
log.Info().Str("config-path", config.ConfigFilePath).Msg("Template file written to config path.")
} else {
template, err := utils.PrettyYaml(config.Config)
if err != nil {
log.Error().Err(err).Msg("Failed converting config with defaults to YAML.")
return nil
}
log.Debug().Str("template", template).Msg("Printing template config...")
fmt.Printf("%v", template)
}
return nil
},
}
func init() {
rootCmd.AddCommand(configCmd)
defaultConfig := config.CreateDefaultConfig()
if err := defaults.Set(&defaultConfig); err != nil {
log.Debug().Err(err).Send()
}
configCmd.Flags().BoolP(configStructs.RegenerateConfigName, "r", defaultConfig.Config.Regenerate, fmt.Sprintf("Regenerate the config file with default values to path %s", config.GetConfigFilePath(nil)))
}

View File

@@ -1,156 +0,0 @@
package cmd
import (
"fmt"
"net/http"
"net/url"
"os"
"os/signal"
"strings"
"time"
"github.com/creasty/defaults"
"github.com/gorilla/websocket"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/kubernetes"
"github.com/kubeshark/kubeshark/utils"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var consoleCmd = &cobra.Command{
Use: "console",
Short: "Stream the scripting console logs into shell",
RunE: func(cmd *cobra.Command, args []string) error {
runConsole()
return nil
},
}
func init() {
rootCmd.AddCommand(consoleCmd)
defaultTapConfig := configStructs.TapConfig{}
if err := defaults.Set(&defaultTapConfig); err != nil {
log.Debug().Err(err).Send()
}
consoleCmd.Flags().Uint16(configStructs.ProxyFrontPortLabel, defaultTapConfig.Proxy.Front.Port, "Provide a custom port for the Kubeshark")
consoleCmd.Flags().String(configStructs.ProxyHostLabel, defaultTapConfig.Proxy.Host, "Provide a custom host for the Kubeshark")
consoleCmd.Flags().StringP(configStructs.ReleaseNamespaceLabel, "s", defaultTapConfig.Release.Namespace, "Release namespace of Kubeshark")
}
func runConsoleWithoutProxy() {
log.Info().Msg("Starting scripting console ...")
time.Sleep(5 * time.Second)
hubUrl := kubernetes.GetHubUrl()
for {
// Attempt to connect to the Hub every second
response, err := http.Get(fmt.Sprintf("%s/echo", hubUrl))
if err != nil || response.StatusCode != 200 {
log.Info().Msg(fmt.Sprintf(utils.Yellow, "Couldn't connect to Hub."))
time.Sleep(5 * time.Second)
continue
}
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt)
log.Info().Str("host", config.Config.Tap.Proxy.Host).Str("url", hubUrl).Msg("Connecting to:")
u := url.URL{
Scheme: "ws",
Host: fmt.Sprintf("%s:%d", config.Config.Tap.Proxy.Host, config.Config.Tap.Proxy.Front.Port),
Path: "/api/scripts/logs",
}
headers := http.Header{}
headers.Set(utils.X_KUBESHARK_CAPTURE_HEADER_KEY, utils.X_KUBESHARK_CAPTURE_HEADER_IGNORE_VALUE)
headers.Set("License-Key", config.Config.License)
c, _, err := websocket.DefaultDialer.Dial(u.String(), headers)
if err != nil {
log.Error().Err(err).Msg("Websocket dial error, retrying in 5 seconds...")
time.Sleep(5 * time.Second) // Delay before retrying
continue
}
defer c.Close()
done := make(chan struct{})
go func() {
defer close(done)
for {
_, message, err := c.ReadMessage()
if err != nil {
log.Error().Err(err).Msg("Error reading websocket message, reconnecting...")
break // Break to reconnect
}
msg := string(message)
if strings.Contains(msg, ":ERROR]") {
msg = fmt.Sprintf(utils.Red, msg)
fmt.Fprintln(os.Stderr, msg)
} else {
fmt.Fprintln(os.Stdout, msg)
}
}
}()
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
select {
case <-done:
log.Warn().Msg(fmt.Sprintf(utils.Yellow, "Connection closed, reconnecting..."))
time.Sleep(5 * time.Second) // Delay before reconnecting
continue // Reconnect after error
case <-interrupt:
err := c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
if err != nil {
log.Error().Err(err).Send()
continue
}
select {
case <-done:
case <-time.After(time.Second):
}
return
}
}
}
func runConsole() {
go runConsoleWithoutProxy()
// Create interrupt channel and setup signal handling once
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt)
done := make(chan struct{})
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()
for {
select {
case <-interrupt:
// Handle interrupt and exit gracefully
log.Warn().Msg(fmt.Sprintf(utils.Yellow, "Received interrupt, exiting..."))
select {
case <-done:
case <-time.After(time.Second):
}
return
case <-ticker.C:
// Attempt to connect to the Hub every second
hubUrl := kubernetes.GetHubUrl()
response, err := http.Get(fmt.Sprintf("%s/echo", hubUrl))
if err != nil || response.StatusCode != 200 {
log.Info().Msg(fmt.Sprintf(utils.Yellow, "Couldn't connect to Hub. Establishing proxy..."))
runProxy(false, true)
}
}
}
}

View File

@@ -1,21 +0,0 @@
package cmd
import (
"fmt"
"github.com/kubeshark/kubeshark/config"
"github.com/spf13/cobra"
)
var licenseCmd = &cobra.Command{
Use: "license",
Short: "Print the license loaded string",
RunE: func(cmd *cobra.Command, args []string) error {
fmt.Println(config.Config.License)
return nil
},
}
func init() {
rootCmd.AddCommand(licenseCmd)
}

View File

@@ -1,51 +0,0 @@
package cmd
import (
"context"
"fmt"
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/errormessage"
"github.com/kubeshark/kubeshark/misc"
"github.com/kubeshark/kubeshark/misc/fsUtils"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var logsCmd = &cobra.Command{
Use: "logs",
Short: "Create a ZIP file with logs for GitHub issues or troubleshooting",
RunE: func(cmd *cobra.Command, args []string) error {
kubernetesProvider, err := getKubernetesProviderForCli(false, false)
if err != nil {
return nil
}
ctx := context.Background()
if validationErr := config.Config.Logs.Validate(); validationErr != nil {
return errormessage.FormatError(validationErr)
}
log.Debug().Str("logs-path", config.Config.Logs.FilePath()).Msg("Using this logs path...")
if dumpLogsErr := fsUtils.DumpLogs(ctx, kubernetesProvider, config.Config.Logs.FilePath(), config.Config.Logs.Grep); dumpLogsErr != nil {
log.Error().Err(dumpLogsErr).Msg("Failed to dump logs.")
}
return nil
},
}
func init() {
rootCmd.AddCommand(logsCmd)
defaultLogsConfig := configStructs.LogsConfig{}
if err := defaults.Set(&defaultLogsConfig); err != nil {
log.Debug().Err(err).Send()
}
logsCmd.Flags().StringP(configStructs.FileLogsName, "f", defaultLogsConfig.FileStr, fmt.Sprintf("Path for zip file (default current <pwd>\\%s_logs.zip)", misc.Program))
logsCmd.Flags().StringP(configStructs.GrepLogsName, "g", defaultLogsConfig.Grep, "Regexp to do grepping on the logs")
}

View File

@@ -1,125 +0,0 @@
package cmd
import (
"github.com/kubeshark/kubeshark/config"
"github.com/spf13/cobra"
)
var mcpURL string
var mcpKubeconfig string
var mcpListTools bool
var mcpConfig bool
var mcpAllowDestructive bool
var mcpCmd = &cobra.Command{
Use: "mcp",
Short: "Run MCP (Model Context Protocol) server for AI assistant integration",
Long: `Run an MCP server over stdio that exposes Kubeshark's L7 API visibility
to AI assistants like Claude Desktop.
TOOLS PROVIDED:
Cluster Management (work without Kubeshark running):
- check_kubeshark_status: Check if Kubeshark is running in the cluster
- start_kubeshark: Start Kubeshark to capture traffic
- stop_kubeshark: Stop Kubeshark and clean up resources
Traffic Analysis (require Kubeshark running):
- list_workloads: Discover pods, services, namespaces, and nodes with L7 traffic
- list_api_calls: Query L7 API transactions (HTTP, gRPC, etc.)
- get_api_call: Get detailed information about a specific API call
- get_api_stats: Get aggregated API statistics
CONFIGURATION:
To use with Claude Desktop, add to your claude_desktop_config.json
(typically at ~/Library/Application Support/Claude/claude_desktop_config.json):
{
"mcpServers": {
"kubeshark": {
"command": "/path/to/kubeshark",
"args": ["mcp", "--kubeconfig", "/Users/YOUR_USERNAME/.kube/config"]
}
}
}
DIRECT URL MODE:
If Kubeshark is already running and accessible via URL (e.g., exposed via ingress),
you can connect directly without needing kubectl/kubeconfig:
{
"mcpServers": {
"kubeshark": {
"command": "/path/to/kubeshark",
"args": ["mcp", "--url", "https://kubeshark.example.com"]
}
}
}
In URL mode, destructive tools (start/stop) are disabled since Kubeshark is
managed externally. The check_kubeshark_status tool remains available to confirm connectivity.
DESTRUCTIVE OPERATIONS:
By default, destructive operations (start_kubeshark, stop_kubeshark) are disabled
to prevent accidental cluster modifications. To enable them, use --allow-destructive:
{
"mcpServers": {
"kubeshark": {
"command": "/path/to/kubeshark",
"args": ["mcp", "--allow-destructive", "--kubeconfig", "/path/to/.kube/config"]
}
}
}
CUSTOM SETTINGS:
To use custom settings when starting Kubeshark, use the --set flag:
{
"mcpServers": {
"kubeshark": {
"command": "/path/to/kubeshark",
"args": ["mcp", "--set", "tap.docker.tag=v52.3"],
...
}
}
}
Multiple --set flags can be used for different settings.`,
RunE: func(cmd *cobra.Command, args []string) error {
// Handle --mcp-config flag
if mcpConfig {
printMCPConfig(mcpURL, mcpKubeconfig)
return nil
}
// Set kubeconfig path if provided
if mcpKubeconfig != "" {
config.Config.Kube.ConfigPathStr = mcpKubeconfig
}
// Handle --list-tools flag
if mcpListTools {
listMCPTools(mcpURL)
return nil
}
setFlags, _ := cmd.Flags().GetStringSlice(config.SetCommandName)
runMCPWithConfig(setFlags, mcpURL, mcpAllowDestructive)
return nil
},
}
func init() {
rootCmd.AddCommand(mcpCmd)
mcpCmd.Flags().StringVar(&mcpURL, "url", "", "Direct URL to Kubeshark (e.g., https://kubeshark.example.com). When set, connects directly without kubectl/proxy and disables start/stop tools.")
mcpCmd.Flags().StringVar(&mcpKubeconfig, "kubeconfig", "", "Path to kubeconfig file (e.g., /Users/me/.kube/config)")
mcpCmd.Flags().BoolVar(&mcpListTools, "list-tools", false, "List available MCP tools and exit")
mcpCmd.Flags().BoolVar(&mcpConfig, "mcp-config", false, "Print MCP client configuration JSON and exit")
mcpCmd.Flags().BoolVar(&mcpAllowDestructive, "allow-destructive", false, "Enable destructive operations (start_kubeshark, stop_kubeshark). Without this flag, only read-only traffic analysis tools are available.")
}

File diff suppressed because it is too large Load Diff

View File

@@ -1,495 +0,0 @@
package cmd
import (
"bytes"
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func newTestMCPServer() *mcpServer {
return &mcpServer{httpClient: &http.Client{}, stdin: &bytes.Buffer{}, stdout: &bytes.Buffer{}}
}
func sendRequest(s *mcpServer, method string, id any, params any) string {
req := jsonRPCRequest{
JSONRPC: "2.0",
ID: id,
Method: method,
}
if params != nil {
paramsBytes, _ := json.Marshal(params)
req.Params = paramsBytes
}
s.handleRequest(&req)
output := s.stdout.(*bytes.Buffer).String()
s.stdout.(*bytes.Buffer).Reset()
return output
}
func parseResponse(t *testing.T, output string) jsonRPCResponse {
var resp jsonRPCResponse
if err := json.Unmarshal([]byte(strings.TrimSpace(output)), &resp); err != nil {
t.Fatalf("Failed to parse response: %v\nOutput: %s", err, output)
}
return resp
}
func TestMCP_Initialize(t *testing.T) {
s := newTestMCPServer()
resp := parseResponse(t, sendRequest(s, "initialize", 1, nil))
if resp.ID != float64(1) || resp.Error != nil {
t.Fatalf("Expected ID 1 with no error, got ID=%v, error=%v", resp.ID, resp.Error)
}
result := resp.Result.(map[string]any)
if result["protocolVersion"] != "2024-11-05" {
t.Errorf("Expected protocolVersion 2024-11-05, got %v", result["protocolVersion"])
}
if result["serverInfo"].(map[string]any)["name"] != "kubeshark-mcp" {
t.Error("Expected server name kubeshark-mcp")
}
if !strings.Contains(result["instructions"].(string), "check_kubeshark_status") {
t.Error("Instructions should mention check_kubeshark_status")
}
if _, ok := result["capabilities"].(map[string]any)["prompts"]; !ok {
t.Error("Expected prompts capability")
}
}
func TestMCP_Ping(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "ping", 42, nil))
if resp.ID != float64(42) || resp.Error != nil || len(resp.Result.(map[string]any)) != 0 {
t.Errorf("Expected ID 42, no error, empty result")
}
}
func TestMCP_InitializedNotification(t *testing.T) {
s := newTestMCPServer()
for _, method := range []string{"initialized", "notifications/initialized"} {
if output := sendRequest(s, method, nil, nil); output != "" {
t.Errorf("Expected no output for %s, got: %s", method, output)
}
}
}
func TestMCP_UnknownMethod(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "unknown/method", 1, nil))
if resp.Error == nil || resp.Error.Code != -32601 {
t.Fatalf("Expected error code -32601, got %v", resp.Error)
}
}
func TestMCP_PromptsList(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "prompts/list", 1, nil))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
prompts := resp.Result.(map[string]any)["prompts"].([]any)
if len(prompts) != 1 || prompts[0].(map[string]any)["name"] != "kubeshark_usage" {
t.Error("Expected 1 prompt named 'kubeshark_usage'")
}
}
func TestMCP_PromptsGet(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "prompts/get", 1, map[string]any{"name": "kubeshark_usage"}))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
messages := resp.Result.(map[string]any)["messages"].([]any)
if len(messages) == 0 {
t.Fatal("Expected at least one message")
}
text := messages[0].(map[string]any)["content"].(map[string]any)["text"].(string)
for _, phrase := range []string{"check_kubeshark_status", "start_kubeshark", "stop_kubeshark"} {
if !strings.Contains(text, phrase) {
t.Errorf("Prompt should contain '%s'", phrase)
}
}
}
func TestMCP_PromptsGet_UnknownPrompt(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "prompts/get", 1, map[string]any{"name": "unknown"}))
if resp.Error == nil || resp.Error.Code != -32602 {
t.Fatalf("Expected error code -32602, got %v", resp.Error)
}
}
func TestMCP_ToolsList_CLIOnly(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "tools/list", 1, nil))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
tools := resp.Result.(map[string]any)["tools"].([]any)
if len(tools) != 1 || tools[0].(map[string]any)["name"] != "check_kubeshark_status" {
t.Error("Expected only check_kubeshark_status tool")
}
}
func TestMCP_ToolsList_WithDestructive(t *testing.T) {
s := &mcpServer{httpClient: &http.Client{}, stdin: &bytes.Buffer{}, stdout: &bytes.Buffer{}, allowDestructive: true}
resp := parseResponse(t, sendRequest(s, "tools/list", 1, nil))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
tools := resp.Result.(map[string]any)["tools"].([]any)
toolNames := make(map[string]bool)
for _, tool := range tools {
toolNames[tool.(map[string]any)["name"].(string)] = true
}
for _, expected := range []string{"check_kubeshark_status", "start_kubeshark", "stop_kubeshark"} {
if !toolNames[expected] {
t.Errorf("Missing expected tool: %s", expected)
}
}
}
func TestMCP_ToolsList_WithHubBackend(t *testing.T) {
mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/" || r.URL.Path == "" {
_, _ = w.Write([]byte(`{"name":"hub","tools":[{"name":"list_workloads","description":"","inputSchema":{}},{"name":"list_api_calls","description":"","inputSchema":{}}]}`))
}
}))
defer mockServer.Close()
s := &mcpServer{httpClient: &http.Client{}, stdin: &bytes.Buffer{}, stdout: &bytes.Buffer{}, hubBaseURL: mockServer.URL, backendInitialized: true, allowDestructive: true}
resp := parseResponse(t, sendRequest(s, "tools/list", 1, nil))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
tools := resp.Result.(map[string]any)["tools"].([]any)
// Should have CLI tools (3) + Hub tools (2) = 5 tools
if len(tools) < 5 {
t.Errorf("Expected at least 5 tools, got %d", len(tools))
}
}
func TestMCP_ToolsCallUnknownTool(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
})
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "unknown"}))
if !resp.Result.(map[string]any)["isError"].(bool) {
t.Error("Expected isError=true for unknown tool")
}
}
func TestMCP_ToolsCallInvalidParams(t *testing.T) {
s := newTestMCPServer()
req := jsonRPCRequest{JSONRPC: "2.0", ID: 1, Method: "tools/call", Params: json.RawMessage(`"invalid"`)}
s.handleRequest(&req)
resp := parseResponse(t, s.stdout.(*bytes.Buffer).String())
if resp.Error == nil || resp.Error.Code != -32602 {
t.Fatalf("Expected error code -32602")
}
}
func TestMCP_CheckKubesharkStatus(t *testing.T) {
for _, tc := range []struct {
name string
args map[string]any
}{
{"no_config", map[string]any{}},
{"with_namespace", map[string]any{"release_namespace": "custom-ns"}},
} {
t.Run(tc.name, func(t *testing.T) {
resp := parseResponse(t, sendRequest(newTestMCPServer(), "tools/call", 1, mcpCallToolParams{Name: "check_kubeshark_status", Arguments: tc.args}))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
content := resp.Result.(map[string]any)["content"].([]any)
if len(content) == 0 || content[0].(map[string]any)["text"].(string) == "" {
t.Error("Expected non-empty response")
}
})
}
}
func newTestMCPServerWithMockBackend(handler http.HandlerFunc) (*mcpServer, *httptest.Server) {
mockServer := httptest.NewServer(handler)
return &mcpServer{httpClient: &http.Client{}, stdin: &bytes.Buffer{}, stdout: &bytes.Buffer{}, hubBaseURL: mockServer.URL, backendInitialized: true}, mockServer
}
type hubToolCallRequest struct {
Tool string `json:"tool"`
Arguments map[string]any `json:"arguments"`
}
func newMockHubHandler(t *testing.T, handler func(req hubToolCallRequest) (string, int)) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/tools/call" || r.Method != http.MethodPost {
w.WriteHeader(http.StatusNotFound)
return
}
var req hubToolCallRequest
_ = json.NewDecoder(r.Body).Decode(&req)
resp, status := handler(req)
w.WriteHeader(status)
_, _ = w.Write([]byte(resp))
}
}
func TestMCP_ListWorkloads(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(newMockHubHandler(t, func(req hubToolCallRequest) (string, int) {
if req.Tool != "list_workloads" {
t.Errorf("Expected tool 'list_workloads', got %s", req.Tool)
}
return `{"workloads": [{"name": "test-pod"}]}`, http.StatusOK
}))
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_workloads", Arguments: map[string]any{"type": "pod"}}))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
text := resp.Result.(map[string]any)["content"].([]any)[0].(map[string]any)["text"].(string)
if !strings.Contains(text, "test-pod") {
t.Errorf("Expected 'test-pod' in response")
}
}
func TestMCP_ListAPICalls(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(newMockHubHandler(t, func(req hubToolCallRequest) (string, int) {
if req.Tool != "list_api_calls" {
t.Errorf("Expected tool 'list_api_calls', got %s", req.Tool)
}
return `{"calls": [{"id": "123", "path": "/api/users"}]}`, http.StatusOK
}))
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_api_calls", Arguments: map[string]any{"proto": "http"}}))
if resp.Error != nil {
t.Fatalf("Unexpected error: %v", resp.Error)
}
if !strings.Contains(resp.Result.(map[string]any)["content"].([]any)[0].(map[string]any)["text"].(string), "/api/users") {
t.Error("Expected '/api/users' in response")
}
}
func TestMCP_GetAPICall(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(newMockHubHandler(t, func(req hubToolCallRequest) (string, int) {
if req.Tool != "get_api_call" || req.Arguments["id"] != "abc123" {
t.Errorf("Expected get_api_call with id=abc123")
}
return `{"id": "abc123", "path": "/api/orders"}`, http.StatusOK
}))
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "get_api_call", Arguments: map[string]any{"id": "abc123"}}))
if resp.Error != nil || !strings.Contains(resp.Result.(map[string]any)["content"].([]any)[0].(map[string]any)["text"].(string), "abc123") {
t.Error("Expected response containing 'abc123'")
}
}
func TestMCP_GetAPICall_MissingID(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(newMockHubHandler(t, func(req hubToolCallRequest) (string, int) {
return `{"error": "id is required"}`, http.StatusBadRequest
}))
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "get_api_call", Arguments: map[string]any{}}))
if !resp.Result.(map[string]any)["isError"].(bool) {
t.Error("Expected isError=true")
}
}
func TestMCP_GetAPIStats(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(newMockHubHandler(t, func(req hubToolCallRequest) (string, int) {
if req.Tool != "get_api_stats" {
t.Errorf("Expected get_api_stats")
}
return `{"stats": {"total_calls": 1000}}`, http.StatusOK
}))
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "get_api_stats", Arguments: map[string]any{"ns": "prod"}}))
if resp.Error != nil || !strings.Contains(resp.Result.(map[string]any)["content"].([]any)[0].(map[string]any)["text"].(string), "total_calls") {
t.Error("Expected 'total_calls' in response")
}
}
func TestMCP_APITools_BackendError(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusInternalServerError)
})
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_workloads"}))
if !resp.Result.(map[string]any)["isError"].(bool) {
t.Error("Expected isError=true for backend error")
}
}
func TestMCP_APITools_BackendConnectionError(t *testing.T) {
s := &mcpServer{httpClient: &http.Client{}, stdin: &bytes.Buffer{}, stdout: &bytes.Buffer{}, hubBaseURL: "http://localhost:99999", backendInitialized: true}
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_workloads"}))
if !resp.Result.(map[string]any)["isError"].(bool) {
t.Error("Expected isError=true for connection error")
}
}
func TestMCP_RunLoop_ParseError(t *testing.T) {
output := &bytes.Buffer{}
s := &mcpServer{httpClient: &http.Client{}, stdin: strings.NewReader("invalid\n"), stdout: output}
s.run()
if resp := parseResponse(t, output.String()); resp.Error == nil || resp.Error.Code != -32700 {
t.Fatalf("Expected error code -32700")
}
}
func TestMCP_RunLoop_MultipleRequests(t *testing.T) {
output := &bytes.Buffer{}
s := &mcpServer{httpClient: &http.Client{}, stdin: strings.NewReader(`{"jsonrpc":"2.0","id":1,"method":"ping"}
{"jsonrpc":"2.0","id":2,"method":"ping"}
`), stdout: output}
s.run()
if lines := strings.Split(strings.TrimSpace(output.String()), "\n"); len(lines) != 2 {
t.Fatalf("Expected 2 responses, got %d", len(lines))
}
}
func TestMCP_RunLoop_EmptyLines(t *testing.T) {
output := &bytes.Buffer{}
s := &mcpServer{httpClient: &http.Client{}, stdin: strings.NewReader("\n\n{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"ping\"}\n"), stdout: output}
s.run()
if lines := strings.Split(strings.TrimSpace(output.String()), "\n"); len(lines) != 1 {
t.Fatalf("Expected 1 response, got %d", len(lines))
}
}
func TestMCP_ResponseFormat(t *testing.T) {
s := newTestMCPServer()
// Numeric ID
if resp := parseResponse(t, sendRequest(s, "ping", 123, nil)); resp.ID != float64(123) || resp.JSONRPC != "2.0" {
t.Errorf("Expected ID 123 and jsonrpc 2.0")
}
// String ID
if resp := parseResponse(t, sendRequest(s, "ping", "str", nil)); resp.ID != "str" {
t.Errorf("Expected ID 'str'")
}
}
func TestMCP_ToolCallResult_ContentFormat(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`{"data": "test"}`))
})
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_workloads"}))
content := resp.Result.(map[string]any)["content"].([]any)
if len(content) == 0 || content[0].(map[string]any)["type"] != "text" {
t.Error("Expected content with type=text")
}
}
func TestMCP_CommandArgs(t *testing.T) {
// Test start command args building
for _, tc := range []struct {
args map[string]any
expected string
}{
{map[string]any{}, "tap --set headless=true"},
{map[string]any{"pod_regex": "nginx.*"}, "tap nginx.* --set headless=true"},
{map[string]any{"namespaces": "default"}, "tap -n default --set headless=true"},
{map[string]any{"release_namespace": "ks"}, "tap -s ks --set headless=true"},
} {
cmdArgs := []string{"tap"}
if v, _ := tc.args["pod_regex"].(string); v != "" {
cmdArgs = append(cmdArgs, v)
}
if v, _ := tc.args["namespaces"].(string); v != "" {
for _, ns := range strings.Split(v, ",") {
cmdArgs = append(cmdArgs, "-n", strings.TrimSpace(ns))
}
}
if v, _ := tc.args["release_namespace"].(string); v != "" {
cmdArgs = append(cmdArgs, "-s", v)
}
cmdArgs = append(cmdArgs, "--set", "headless=true")
if got := strings.Join(cmdArgs, " "); got != tc.expected {
t.Errorf("Expected %q, got %q", tc.expected, got)
}
}
}
func TestMCP_PrettyPrintJSON(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`{"key":"value"}`))
})
defer mockServer.Close()
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_workloads"}))
text := resp.Result.(map[string]any)["content"].([]any)[0].(map[string]any)["text"].(string)
if !strings.Contains(text, "\n") {
t.Error("Expected pretty-printed JSON")
}
}
func TestMCP_SpecialCharsAndEdgeCases(t *testing.T) {
s, mockServer := newTestMCPServerWithMockBackend(func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`{}`))
})
defer mockServer.Close()
// Test special chars, empty args, nil args
for _, args := range []map[string]any{
{"path": "/api?id=123"},
{"id": "abc/123"},
{},
nil,
} {
resp := parseResponse(t, sendRequest(s, "tools/call", 1, mcpCallToolParams{Name: "list_workloads", Arguments: args}))
if resp.Error != nil {
t.Errorf("Unexpected error with args %v: %v", args, resp.Error)
}
}
}
func TestMCP_BackendInitialization_Concurrent(t *testing.T) {
s := newTestMCPServer()
done := make(chan bool, 10)
for i := 0; i < 10; i++ {
go func() { s.ensureBackendConnection(); done <- true }()
}
for i := 0; i < 10; i++ {
<-done
}
}
func TestMCP_FullConversation(t *testing.T) {
mockServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/" {
_, _ = w.Write([]byte(`{"name":"hub","tools":[{"name":"list_workloads","description":"","inputSchema":{}}]}`))
} else if r.URL.Path == "/tools/call" {
_, _ = w.Write([]byte(`{"data":"ok"}`))
}
}))
defer mockServer.Close()
input := `{"jsonrpc":"2.0","id":1,"method":"initialize"}
{"jsonrpc":"2.0","method":"notifications/initialized"}
{"jsonrpc":"2.0","id":2,"method":"tools/list"}
{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"list_workloads","arguments":{}}}
`
output := &bytes.Buffer{}
s := &mcpServer{httpClient: &http.Client{}, stdin: strings.NewReader(input), stdout: output, hubBaseURL: mockServer.URL, backendInitialized: true}
s.run()
lines := strings.Split(strings.TrimSpace(output.String()), "\n")
if len(lines) != 3 { // 3 responses (notification has no response)
t.Errorf("Expected 3 responses, got %d", len(lines))
}
for i, line := range lines {
var resp jsonRPCResponse
if err := json.Unmarshal([]byte(line), &resp); err != nil || resp.Error != nil {
t.Errorf("Response %d: parse error or unexpected error", i)
}
}
}

View File

@@ -1,110 +0,0 @@
package cmd
import (
"errors"
"fmt"
"os"
"path/filepath"
"time"
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
)
// pcapDumpCmd represents the consolidated pcapdump command
var pcapDumpCmd = &cobra.Command{
Use: "pcapdump",
Short: "Store all captured traffic (including decrypted TLS) in a PCAP file.",
RunE: func(cmd *cobra.Command, args []string) error {
// Retrieve the kubeconfig path from the flag
kubeconfig, _ := cmd.Flags().GetString(configStructs.PcapKubeconfig)
// If kubeconfig is not provided, use the default location
if kubeconfig == "" {
if home := homedir.HomeDir(); home != "" {
kubeconfig = filepath.Join(home, ".kube", "config")
} else {
return errors.New("kubeconfig flag not provided and no home directory available for default config location")
}
}
debugEnabled, _ := cmd.Flags().GetBool("debug")
if debugEnabled {
zerolog.SetGlobalLevel(zerolog.DebugLevel)
log.Debug().Msg("Debug logging enabled")
} else {
zerolog.SetGlobalLevel(zerolog.InfoLevel)
}
// Use the current context in kubeconfig
config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
if err != nil {
return fmt.Errorf("Error building kubeconfig: %w", err)
}
clientset, err := kubernetes.NewForConfig(config)
if err != nil {
return fmt.Errorf("Error creating Kubernetes client: %w", err)
}
// Parse the `--time` flag
timeIntervalStr, _ := cmd.Flags().GetString("time")
var cutoffTime *time.Time // Use a pointer to distinguish between provided and not provided
if timeIntervalStr != "" {
duration, err := time.ParseDuration(timeIntervalStr)
if err != nil {
return fmt.Errorf("Invalid format %w", err)
}
tempCutoffTime := time.Now().Add(-duration)
cutoffTime = &tempCutoffTime
}
// Test the dest dir if provided
destDir, _ := cmd.Flags().GetString(configStructs.PcapDest)
if destDir != "" {
info, err := os.Stat(destDir)
if os.IsNotExist(err) {
return fmt.Errorf("Directory does not exist: %s", destDir)
}
if err != nil {
return fmt.Errorf("Error checking dest directory: %w", err)
}
if !info.IsDir() {
return fmt.Errorf("Dest path is not a directory: %s", destDir)
}
tempFile, err := os.CreateTemp(destDir, "write-test-*")
if err != nil {
return fmt.Errorf("Directory %s is not writable", destDir)
}
_ = os.Remove(tempFile.Name())
}
log.Info().Msg("Copying PCAP files")
err = copyPcapFiles(clientset, config, destDir, cutoffTime)
if err != nil {
return err
}
return nil
},
}
func init() {
rootCmd.AddCommand(pcapDumpCmd)
defaultPcapDumpConfig := configStructs.PcapDumpConfig{}
if err := defaults.Set(&defaultPcapDumpConfig); err != nil {
log.Debug().Err(err).Send()
}
pcapDumpCmd.Flags().String(configStructs.PcapTime, "", "Time interval (e.g., 10m, 1h) in the past for which the pcaps are copied")
pcapDumpCmd.Flags().String(configStructs.PcapDest, "", "Local destination path for copied PCAP files (can not be used together with --enabled)")
pcapDumpCmd.Flags().String(configStructs.PcapKubeconfig, "", "Path for kubeconfig (if not provided the default location will be checked)")
pcapDumpCmd.Flags().Bool("debug", false, "Enable debug logging")
}

View File

@@ -1,371 +0,0 @@
package cmd
import (
"bufio"
"bytes"
"context"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"strings"
"sync"
"time"
"github.com/kubeshark/gopacket/pcapgo"
"github.com/rs/zerolog/log"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
clientk8s "k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/remotecommand"
)
const (
label = "app.kubeshark.com/app=worker"
srcDir = "pcapdump"
maxSnaplen uint32 = 262144
maxTimePerFile = time.Minute * 5
)
// PodFileInfo represents information about a pod, its namespace, and associated files
type PodFileInfo struct {
Pod corev1.Pod
SrcDir string
Files []string
CopiedFiles []string
}
// listWorkerPods fetches all worker pods from multiple namespaces
func listWorkerPods(ctx context.Context, clientset *clientk8s.Clientset, namespaces []string) ([]*PodFileInfo, error) {
var podFileInfos []*PodFileInfo
var errs []error
labelSelector := label
for _, namespace := range namespaces {
// List all pods matching the label in the current namespace
pods, err := clientset.CoreV1().Pods(namespace).List(ctx, metav1.ListOptions{
LabelSelector: labelSelector,
})
if err != nil {
errs = append(errs, fmt.Errorf("failed to list worker pods in namespace %s: %w", namespace, err))
continue
}
for _, pod := range pods.Items {
podFileInfos = append(podFileInfos, &PodFileInfo{
Pod: pod,
})
}
}
return podFileInfos, errors.Join(errs...)
}
// listFilesInPodDir lists all files in the specified directory inside the pod across multiple namespaces
func listFilesInPodDir(ctx context.Context, clientset *clientk8s.Clientset, config *rest.Config, pod *PodFileInfo, cutoffTime *time.Time) error {
nodeName := pod.Pod.Spec.NodeName
srcFilePath := filepath.Join("data", nodeName, srcDir)
cmd := []string{"ls", srcFilePath}
req := clientset.CoreV1().RESTClient().Post().
Resource("pods").
Name(pod.Pod.Name).
Namespace(pod.Pod.Namespace).
SubResource("exec").
Param("container", "sniffer").
Param("stdout", "true").
Param("stderr", "true").
Param("command", cmd[0]).
Param("command", cmd[1])
exec, err := remotecommand.NewSPDYExecutor(config, "POST", req.URL())
if err != nil {
return err
}
var stdoutBuf bytes.Buffer
var stderrBuf bytes.Buffer
// Execute the command to list files
err = exec.StreamWithContext(ctx, remotecommand.StreamOptions{
Stdout: &stdoutBuf,
Stderr: &stderrBuf,
})
if err != nil {
return err
}
// Split the output (file names) into a list
files := strings.Split(strings.TrimSpace(stdoutBuf.String()), "\n")
if len(files) == 0 {
// No files were found in the target dir for this pod
return nil
}
var filteredFiles []string
var fileProcessingErrs []error
// Filter files based on cutoff time if provided
for _, file := range files {
if cutoffTime != nil {
parts := strings.Split(file, "-")
if len(parts) < 2 {
continue
}
timestampStr := parts[len(parts)-2] + parts[len(parts)-1][:6] // Extract YYYYMMDDHHMMSS
fileTime, err := time.Parse("20060102150405", timestampStr)
if err != nil {
fileProcessingErrs = append(fileProcessingErrs, fmt.Errorf("failed parse file timestamp %s: %w", file, err))
continue
}
if fileTime.Before(*cutoffTime) {
continue
}
}
// Add file to filtered list
filteredFiles = append(filteredFiles, file)
}
pod.SrcDir = srcDir
pod.Files = filteredFiles
return errors.Join(fileProcessingErrs...)
}
// copyFileFromPod copies a single file from a pod to a local destination
func copyFileFromPod(ctx context.Context, clientset *kubernetes.Clientset, config *rest.Config, pod *PodFileInfo, srcFile, destFile string) error {
// Construct the complete path using /data, the node name, srcDir, and srcFile
nodeName := pod.Pod.Spec.NodeName
srcFilePath := filepath.Join("data", nodeName, srcDir, srcFile)
// Execute the `cat` command to read the file at the srcFilePath
cmd := []string{"cat", srcFilePath}
req := clientset.CoreV1().RESTClient().Post().
Resource("pods").
Name(pod.Pod.Name).
Namespace(pod.Pod.Namespace).
SubResource("exec").
Param("container", "sniffer").
Param("stdout", "true").
Param("stderr", "true").
Param("command", cmd[0]).
Param("command", cmd[1])
exec, err := remotecommand.NewSPDYExecutor(config, "POST", req.URL())
if err != nil {
return fmt.Errorf("failed to initialize executor for pod %s in namespace %s: %w", pod.Pod.Name, pod.Pod.Namespace, err)
}
// Create the local file to write the content to
outFile, err := os.Create(destFile)
if err != nil {
return fmt.Errorf("failed to create destination file: %w", err)
}
defer outFile.Close()
// Capture stderr for error logging
var stderrBuf bytes.Buffer
// Stream the file content from the pod to the local file
err = exec.StreamWithContext(ctx, remotecommand.StreamOptions{
Stdout: outFile,
Stderr: &stderrBuf,
})
if err != nil {
return err
}
return nil
}
func mergePCAPs(outputFile string, inputFiles []string) error {
// Create the output file
f, err := os.Create(outputFile)
if err != nil {
return fmt.Errorf("failed to create output file: %w", err)
}
defer f.Close()
bufWriter := bufio.NewWriterSize(f, 4*1024*1024)
defer bufWriter.Flush()
// Create the PCAP writer
writer := pcapgo.NewWriter(bufWriter)
err = writer.WriteFileHeader(maxSnaplen, 1)
if err != nil {
return fmt.Errorf("failed to write PCAP file header: %w", err)
}
var mergingErrs []error
for _, inputFile := range inputFiles {
// Open the input file
file, err := os.Open(inputFile)
if err != nil {
mergingErrs = append(mergingErrs, fmt.Errorf("failed to open %s: %w", inputFile, err))
continue
}
fileInfo, err := file.Stat()
if err != nil {
mergingErrs = append(mergingErrs, fmt.Errorf("failed to stat file %s: %w", inputFile, err))
file.Close()
continue
}
if fileInfo.Size() == 0 {
// Skip empty files
log.Debug().Msgf("Skipped empty file: %s", inputFile)
file.Close()
continue
}
// Create the PCAP reader for the input file
reader, err := pcapgo.NewReader(file)
if err != nil {
mergingErrs = append(mergingErrs, fmt.Errorf("failed to create pcapng reader for %v: %w", file.Name(), err))
file.Close()
continue
}
for {
// Read packet data
data, ci, err := reader.ReadPacketData()
if err != nil {
if errors.Is(err, io.EOF) || errors.Is(err, io.ErrUnexpectedEOF) {
break
}
mergingErrs = append(mergingErrs, fmt.Errorf("error reading packet from file %s: %w", file.Name(), err))
break
}
// Write the packet to the output file
err = writer.WritePacket(ci, data)
if err != nil {
log.Error().Err(err).Msgf("Error writing packet to output file")
mergingErrs = append(mergingErrs, fmt.Errorf("error writing packet to output file: %w", err))
break
}
}
file.Close()
}
log.Debug().Err(errors.Join(mergingErrs...))
return nil
}
func copyPcapFiles(clientset *kubernetes.Clientset, config *rest.Config, destDir string, cutoffTime *time.Time) error {
// List all namespaces
namespaceList, err := clientset.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
if err != nil {
return err
}
var targetNamespaces []string
for _, ns := range namespaceList.Items {
targetNamespaces = append(targetNamespaces, ns.Name)
}
// List all worker pods
workerPods, err := listWorkerPods(context.Background(), clientset, targetNamespaces)
if err != nil {
if len(workerPods) == 0 {
return err
}
log.Debug().Err(err).Msg("error while listing worker pods")
}
var wg sync.WaitGroup
// Launch a goroutine for each pod
for _, pod := range workerPods {
wg.Add(1)
go func(pod *PodFileInfo) {
defer wg.Done()
// List files for the current pod
err := listFilesInPodDir(context.Background(), clientset, config, pod, cutoffTime)
if err != nil {
log.Debug().Err(err).Msgf("error listing files in pod %s", pod.Pod.Name)
return
}
// Copy files from the pod
for _, file := range pod.Files {
destFile := filepath.Join(destDir, file)
// Add a timeout context for file copy
ctx, cancel := context.WithTimeout(context.Background(), maxTimePerFile)
err := copyFileFromPod(ctx, clientset, config, pod, file, destFile)
cancel()
if err != nil {
log.Debug().Err(err).Msgf("error copying file %s from pod %s in namespace %s", file, pod.Pod.Name, pod.Pod.Namespace)
continue
}
log.Info().Msgf("Copied file %s from pod %s to %s", file, pod.Pod.Name, destFile)
pod.CopiedFiles = append(pod.CopiedFiles, destFile)
}
}(pod)
}
// Wait for all goroutines to complete
wg.Wait()
var copiedFiles []string
for _, pod := range workerPods {
copiedFiles = append(copiedFiles, pod.CopiedFiles...)
}
if len(copiedFiles) == 0 {
log.Info().Msg("No pcaps available to copy on the workers")
return nil
}
// Generate a temporary filename for the merged file
tempMergedFile := copiedFiles[0] + "_temp"
// Merge PCAP files
err = mergePCAPs(tempMergedFile, copiedFiles)
if err != nil {
os.Remove(tempMergedFile)
return fmt.Errorf("error merging files: %w", err)
}
// Remove the original files after merging
for _, file := range copiedFiles {
if err = os.Remove(file); err != nil {
log.Debug().Err(err).Msgf("error removing file %s", file)
}
}
clusterID, err := getClusterID(clientset)
if err != nil {
return fmt.Errorf("failed to get cluster ID: %w", err)
}
timestamp := time.Now().Format("2006-01-02_15-04")
// Rename the temp file to the final name
finalMergedFile := filepath.Join(destDir, fmt.Sprintf("%s-%s.pcap", clusterID, timestamp))
err = os.Rename(tempMergedFile, finalMergedFile)
if err != nil {
return err
}
log.Info().Msgf("Merged file created: %s", finalMergedFile)
return nil
}
func getClusterID(clientset *kubernetes.Clientset) (string, error) {
namespace, err := clientset.CoreV1().Namespaces().Get(context.TODO(), "kube-system", metav1.GetOptions{})
if err != nil {
return "", fmt.Errorf("failed to get kube-system namespace UID: %w", err)
}
return string(namespace.UID), nil
}

View File

@@ -1,32 +0,0 @@
package cmd
import (
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var pprofCmd = &cobra.Command{
Use: "pprof",
Short: "Select a Kubeshark container and open the pprof web UI in the browser",
RunE: func(cmd *cobra.Command, args []string) error {
runPprof()
return nil
},
}
func init() {
rootCmd.AddCommand(pprofCmd)
defaultTapConfig := configStructs.TapConfig{}
if err := defaults.Set(&defaultTapConfig); err != nil {
log.Debug().Err(err).Send()
}
pprofCmd.Flags().Uint16(configStructs.ProxyFrontPortLabel, defaultTapConfig.Proxy.Front.Port, "Provide a custom port for the proxy/port-forward")
pprofCmd.Flags().String(configStructs.ProxyHostLabel, defaultTapConfig.Proxy.Host, "Provide a custom host for the proxy/port-forward")
pprofCmd.Flags().StringP(configStructs.ReleaseNamespaceLabel, "s", defaultTapConfig.Release.Namespace, "Release namespace of Kubeshark")
pprofCmd.Flags().Uint16(configStructs.PprofPortLabel, defaultTapConfig.Pprof.Port, "Provide a custom port for the pprof server")
pprofCmd.Flags().String(configStructs.PprofViewLabel, defaultTapConfig.Pprof.View, "Change the default view of the pprof web interface")
}

View File

@@ -1,176 +0,0 @@
package cmd
import (
"context"
"fmt"
"github.com/go-cmd/cmd"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/kubernetes"
"github.com/kubeshark/kubeshark/utils"
"github.com/rivo/tview"
"github.com/rs/zerolog/log"
v1 "k8s.io/api/core/v1"
)
func runPprof() {
runProxy(false, true)
provider, err := getKubernetesProviderForCli(false, false)
if err != nil {
return
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
hubPods, err := provider.ListPodsByAppLabel(ctx, config.Config.Tap.Release.Namespace, map[string]string{kubernetes.AppLabelKey: "hub"})
if err != nil {
log.Error().
Err(err).
Msg("Failed to list hub pods!")
cancel()
return
}
workerPods, err := provider.ListPodsByAppLabel(ctx, config.Config.Tap.Release.Namespace, map[string]string{kubernetes.AppLabelKey: "worker"})
if err != nil {
log.Error().
Err(err).
Msg("Failed to list worker pods!")
cancel()
return
}
fullscreen := true
app := tview.NewApplication()
list := tview.NewList()
var currentCmd *cmd.Cmd
i := 48
for _, pod := range hubPods {
for _, container := range pod.Spec.Containers {
log.Info().Str("pod", pod.Name).Str("container", container.Name).Send()
homeUrl := fmt.Sprintf("%s/debug/pprof/", kubernetes.GetHubUrl())
modal := buildNewModal(
pod,
container,
homeUrl,
app,
list,
fullscreen,
currentCmd,
)
list.AddItem(fmt.Sprintf("pod: %s container: %s", pod.Name, container.Name), pod.Spec.NodeName, rune(i), func() {
app.SetRoot(modal, fullscreen)
})
i++
}
}
for _, pod := range workerPods {
for _, container := range pod.Spec.Containers {
log.Info().Str("pod", pod.Name).Str("container", container.Name).Send()
homeUrl := fmt.Sprintf("%s/pprof/%s/%s/", kubernetes.GetHubUrl(), pod.Status.HostIP, container.Name)
modal := buildNewModal(
pod,
container,
homeUrl,
app,
list,
fullscreen,
currentCmd,
)
list.AddItem(fmt.Sprintf("pod: %s container: %s", pod.Name, container.Name), pod.Spec.NodeName, rune(i), func() {
app.SetRoot(modal, fullscreen)
})
i++
}
}
list.AddItem("Quit", "Press to exit", 'q', func() {
if currentCmd != nil {
err = currentCmd.Stop()
if err != nil {
log.Error().Err(err).Str("name", currentCmd.Name).Msg("Failed to stop process!")
}
}
app.Stop()
})
if err := app.SetRoot(list, fullscreen).EnableMouse(true).Run(); err != nil {
panic(err)
}
}
func buildNewModal(
pod v1.Pod,
container v1.Container,
homeUrl string,
app *tview.Application,
list *tview.List,
fullscreen bool,
currentCmd *cmd.Cmd,
) *tview.Modal {
return tview.NewModal().
SetText(fmt.Sprintf("pod: %s container: %s", pod.Name, container.Name)).
AddButtons([]string{
"Open Debug Home Page",
"Profile: CPU",
"Profile: Memory",
"Profile: Goroutine",
"Cancel",
}).
SetDoneFunc(func(buttonIndex int, buttonLabel string) {
var err error
port := fmt.Sprintf(":%d", config.Config.Tap.Pprof.Port)
view := fmt.Sprintf("http://localhost%s/ui/%s", port, config.Config.Tap.Pprof.View)
switch buttonLabel {
case "Open Debug Home Page":
utils.OpenBrowser(homeUrl)
case "Profile: CPU":
if currentCmd != nil {
err = currentCmd.Stop()
if err != nil {
log.Error().Err(err).Str("name", currentCmd.Name).Msg("Failed to stop process!")
}
}
currentCmd = cmd.NewCmd("go", "tool", "pprof", "-http", port, "-no_browser", fmt.Sprintf("%sprofile", homeUrl))
currentCmd.Start()
utils.OpenBrowser(view)
case "Profile: Memory":
if currentCmd != nil {
err = currentCmd.Stop()
if err != nil {
log.Error().Err(err).Str("name", currentCmd.Name).Msg("Failed to stop process!")
}
}
currentCmd = cmd.NewCmd("go", "tool", "pprof", "-http", port, "-no_browser", fmt.Sprintf("%sheap", homeUrl))
currentCmd.Start()
utils.OpenBrowser(view)
case "Profile: Goroutine":
if currentCmd != nil {
err = currentCmd.Stop()
if err != nil {
log.Error().Err(err).Str("name", currentCmd.Name).Msg("Failed to stop process!")
}
}
currentCmd = cmd.NewCmd("go", "tool", "pprof", "-http", port, "-no_browser", fmt.Sprintf("%sgoroutine", homeUrl))
currentCmd.Start()
utils.OpenBrowser(view)
case "Cancel":
if currentCmd != nil {
err = currentCmd.Stop()
if err != nil {
log.Error().Err(err).Str("name", currentCmd.Name).Msg("Failed to stop process!")
}
}
fallthrough
default:
app.SetRoot(list, fullscreen)
}
})
}

View File

@@ -1,30 +0,0 @@
package cmd
import (
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var proxyCmd = &cobra.Command{
Use: "proxy",
Short: "Open the web UI (front-end) in the browser via proxy/port-forward",
RunE: func(cmd *cobra.Command, args []string) error {
runProxy(true, false)
return nil
},
}
func init() {
rootCmd.AddCommand(proxyCmd)
defaultTapConfig := configStructs.TapConfig{}
if err := defaults.Set(&defaultTapConfig); err != nil {
log.Debug().Err(err).Send()
}
proxyCmd.Flags().Uint16(configStructs.ProxyFrontPortLabel, defaultTapConfig.Proxy.Front.Port, "Provide a custom port for the proxy/port-forward")
proxyCmd.Flags().String(configStructs.ProxyHostLabel, defaultTapConfig.Proxy.Host, "Provide a custom host for the proxy/port-forward")
proxyCmd.Flags().StringP(configStructs.ReleaseNamespaceLabel, "s", defaultTapConfig.Release.Namespace, "Release namespace of Kubeshark")
}

View File

@@ -1,107 +0,0 @@
package cmd
import (
"context"
"fmt"
"net/http"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/internal/connect"
"github.com/kubeshark/kubeshark/kubernetes"
"github.com/kubeshark/kubeshark/misc"
"github.com/kubeshark/kubeshark/utils"
"github.com/rs/zerolog/log"
)
func runProxy(block bool, noBrowser bool) {
kubernetesProvider, err := getKubernetesProviderForCli(false, false)
if err != nil {
return
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
exists, err := kubernetesProvider.DoesServiceExist(ctx, config.Config.Tap.Release.Namespace, kubernetes.FrontServiceName)
if err != nil {
log.Error().
Str("service", kubernetes.FrontServiceName).
Err(err).
Msg("Failed to found service!")
cancel()
return
}
if !exists {
log.Error().
Str("service", kubernetes.FrontServiceName).
Str("command", fmt.Sprintf("%s %s", misc.Program, tapCmd.Use)).
Msg("Service not found! You should run the command first:")
cancel()
return
}
exists, err = kubernetesProvider.DoesServiceExist(ctx, config.Config.Tap.Release.Namespace, kubernetes.HubServiceName)
if err != nil {
log.Error().
Str("service", kubernetes.HubServiceName).
Err(err).
Msg("Failed to found service!")
cancel()
return
}
if !exists {
log.Error().
Str("service", kubernetes.HubServiceName).
Str("command", fmt.Sprintf("%s %s", misc.Program, tapCmd.Use)).
Msg("Service not found! You should run the command first:")
cancel()
return
}
var establishedProxy bool
frontUrl := kubernetes.GetProxyOnPort(config.Config.Tap.Proxy.Front.Port)
response, err := http.Get(fmt.Sprintf("%s/", frontUrl))
if err == nil && response.StatusCode == 200 {
log.Info().
Str("service", kubernetes.FrontServiceName).
Int("port", int(config.Config.Tap.Proxy.Front.Port)).
Msg("Found a running service.")
okToOpen("Kubeshark", frontUrl, noBrowser)
} else {
startProxyReportErrorIfAny(
kubernetesProvider,
ctx,
kubernetes.FrontServiceName,
kubernetes.FrontPodName,
configStructs.ProxyFrontPortLabel,
config.Config.Tap.Proxy.Front.Port,
configStructs.ContainerPort,
"",
)
connector := connect.NewConnector(frontUrl, connect.DefaultRetries, connect.DefaultTimeout)
if err := connector.TestConnection(""); err != nil {
log.Error().Msg(fmt.Sprintf(utils.Red, "Couldn't connect to Front."))
return
}
establishedProxy = true
okToOpen("Kubeshark", frontUrl, noBrowser)
}
if establishedProxy && block {
utils.WaitForTermination(ctx, cancel)
}
}
func okToOpen(name string, url string, noBrowser bool) {
log.Info().Str("url", url).Msg(fmt.Sprintf(utils.Green, fmt.Sprintf("%s is available at:", name)))
if !config.Config.HeadlessMode && !noBrowser {
utils.OpenBrowser(url)
}
}

View File

@@ -1,43 +0,0 @@
package cmd
import (
"fmt"
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/misc"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var rootCmd = &cobra.Command{
Use: "kubeshark",
Short: fmt.Sprintf("%s: %s", misc.Software, misc.Description),
Long: fmt.Sprintf(`%s: %s
An extensible Kubernetes-aware network sniffer and kernel tracer.
For more info: %s`, misc.Software, misc.Description, misc.Website),
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
if err := config.InitConfig(cmd); err != nil {
log.Fatal().Err(err).Send()
}
return nil
},
}
func init() {
defaultConfig := config.CreateDefaultConfig()
if err := defaults.Set(&defaultConfig); err != nil {
log.Debug().Err(err).Send()
}
rootCmd.PersistentFlags().StringSlice(config.SetCommandName, []string{}, fmt.Sprintf("Override values using --%s", config.SetCommandName))
rootCmd.PersistentFlags().BoolP(config.DebugFlag, "d", false, "Enable debug mode")
rootCmd.PersistentFlags().String(config.ConfigPathFlag, "", fmt.Sprintf("Set the config path, default: %s", config.GetConfigFilePath(nil)))
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the tapCmd.
func Execute() {
cobra.CheckErr(rootCmd.Execute())
}

View File

@@ -1,383 +0,0 @@
package cmd
import (
"context"
"encoding/json"
"errors"
"os"
"os/signal"
"strings"
"sync"
"time"
"github.com/creasty/defaults"
"github.com/fsnotify/fsnotify"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/kubernetes"
"github.com/kubeshark/kubeshark/misc"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
k8serrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/watch"
)
var scriptsCmd = &cobra.Command{
Use: "scripts",
Short: "Watch the `scripting.source` and/or `scripting.sources` folders for changes and update the scripts",
RunE: func(cmd *cobra.Command, args []string) error {
runScripts()
return nil
},
}
func init() {
rootCmd.AddCommand(scriptsCmd)
defaultTapConfig := configStructs.TapConfig{}
if err := defaults.Set(&defaultTapConfig); err != nil {
log.Debug().Err(err).Send()
}
scriptsCmd.Flags().Uint16(configStructs.ProxyFrontPortLabel, defaultTapConfig.Proxy.Front.Port, "Provide a custom port for the Kubeshark")
scriptsCmd.Flags().String(configStructs.ProxyHostLabel, defaultTapConfig.Proxy.Host, "Provide a custom host for the Kubeshark")
scriptsCmd.Flags().StringP(configStructs.ReleaseNamespaceLabel, "s", defaultTapConfig.Release.Namespace, "Release namespace of Kubeshark")
}
func runScripts() {
if config.Config.Scripting.Source == "" && len(config.Config.Scripting.Sources) == 0 {
log.Error().Msg("Both `scripting.source` and `scripting.sources` fields are empty.")
return
}
kubernetesProvider, err := getKubernetesProviderForCli(false, false)
if err != nil {
log.Error().Err(err).Send()
return
}
var wg sync.WaitGroup
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, os.Interrupt)
wg.Add(1)
go func() {
defer wg.Done()
watchConfigMap(ctx, kubernetesProvider)
}()
wg.Add(1)
go func() {
defer wg.Done()
watchScripts(ctx, kubernetesProvider, true)
}()
go func() {
<-signalChan
log.Debug().Msg("Received interrupt, stopping watchers.")
cancel()
}()
wg.Wait()
}
func createScript(provider *kubernetes.Provider, script misc.ConfigMapScript) (index int64, err error) {
const maxRetries = 5
var scripts map[int64]misc.ConfigMapScript
for i := 0; i < maxRetries; i++ {
scripts, err = kubernetes.ConfigGetScripts(provider)
if err != nil {
return
}
script.Active = kubernetes.IsActiveScript(provider, script.Title)
index = 0
if script.Title != "New Script" {
for i, v := range scripts {
if index <= i {
index = i + 1
}
if v.Title == script.Title {
index = int64(i)
}
}
}
scripts[index] = script
log.Info().Str("title", script.Title).Bool("Active", script.Active).Int64("Index", index).Msg("Creating script")
var data []byte
data, err = json.Marshal(scripts)
if err != nil {
return
}
_, err = kubernetes.SetConfig(provider, kubernetes.CONFIG_SCRIPTING_SCRIPTS, string(data))
if err == nil {
return index, nil
}
if k8serrors.IsConflict(err) {
log.Debug().Err(err).Msg("Conflict detected, retrying update...")
time.Sleep(500 * time.Millisecond)
continue
}
return 0, err
}
log.Error().Msg("Max retries reached for creating script due to conflicts.")
return 0, errors.New("max retries reached due to conflicts while creating script")
}
func updateScript(provider *kubernetes.Provider, index int64, script misc.ConfigMapScript) (err error) {
var scripts map[int64]misc.ConfigMapScript
scripts, err = kubernetes.ConfigGetScripts(provider)
if err != nil {
return
}
script.Active = kubernetes.IsActiveScript(provider, script.Title)
scripts[index] = script
var data []byte
data, err = json.Marshal(scripts)
if err != nil {
return
}
_, err = kubernetes.SetConfig(provider, kubernetes.CONFIG_SCRIPTING_SCRIPTS, string(data))
if err != nil {
return
}
return
}
func deleteScript(provider *kubernetes.Provider, index int64) (err error) {
var scripts map[int64]misc.ConfigMapScript
scripts, err = kubernetes.ConfigGetScripts(provider)
if err != nil {
return
}
err = kubernetes.DeleteActiveScriptByTitle(provider, scripts[index].Title)
if err != nil {
return
}
delete(scripts, index)
var data []byte
data, err = json.Marshal(scripts)
if err != nil {
return
}
_, err = kubernetes.SetConfig(provider, kubernetes.CONFIG_SCRIPTING_SCRIPTS, string(data))
if err != nil {
return
}
return
}
func watchScripts(ctx context.Context, provider *kubernetes.Provider, block bool) {
files := make(map[string]int64)
scripts, err := config.Config.Scripting.GetScripts()
if err != nil {
log.Error().Err(err).Send()
return
}
for _, script := range scripts {
index, err := createScript(provider, script.ConfigMap())
if err != nil {
log.Error().Err(err).Send()
continue
}
files[script.Path] = index
}
watcher, err := fsnotify.NewWatcher()
if err != nil {
log.Error().Err(err).Send()
return
}
if block {
defer watcher.Close()
}
ctx, cancel := context.WithCancel(ctx)
defer cancel()
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, os.Interrupt)
go func() {
<-signalChan
log.Debug().Msg("Received interrupt, stopping script watch.")
cancel()
watcher.Close()
}()
if err := watcher.Add(config.Config.Scripting.Source); err != nil {
log.Error().Err(err).Msg("Failed to add scripting source to watcher")
return
}
go func() {
for {
select {
case <-ctx.Done():
log.Debug().Msg("Script watcher exiting gracefully.")
return
// watch for events
case event := <-watcher.Events:
if !strings.HasSuffix(event.Name, "js") {
log.Info().Str("file", event.Name).Msg("Ignoring file")
continue
}
switch event.Op {
case fsnotify.Create:
script, err := misc.ReadScriptFile(event.Name)
if err != nil {
log.Error().Err(err).Send()
continue
}
index, err := createScript(provider, script.ConfigMap())
if err != nil {
log.Error().Err(err).Send()
continue
}
files[script.Path] = index
case fsnotify.Write:
index := files[event.Name]
script, err := misc.ReadScriptFile(event.Name)
if err != nil {
log.Error().Err(err).Send()
continue
}
err = updateScript(provider, index, script.ConfigMap())
if err != nil {
log.Error().Err(err).Send()
continue
}
case fsnotify.Rename:
index := files[event.Name]
err := deleteScript(provider, index)
if err != nil {
log.Error().Err(err).Send()
continue
}
default:
// pass
}
case err, ok := <-watcher.Errors:
if !ok {
log.Info().Msg("Watcher errors channel closed.")
return
}
log.Error().Err(err).Msg("Watcher error encountered")
}
}
}()
if err := watcher.Add(config.Config.Scripting.Source); err != nil {
log.Error().Err(err).Send()
}
for _, source := range config.Config.Scripting.Sources {
if err := watcher.Add(source); err != nil {
log.Error().Err(err).Send()
}
}
log.Info().Str("folder", config.Config.Scripting.Source).Interface("folders", config.Config.Scripting.Sources).Msg("Watching scripts against changes:")
if block {
<-ctx.Done()
}
}
func watchConfigMap(ctx context.Context, provider *kubernetes.Provider) {
clientset := provider.GetClientSet()
configMapName := kubernetes.SELF_RESOURCES_PREFIX + kubernetes.SUFFIX_CONFIG_MAP
for {
select {
case <-ctx.Done():
log.Info().Msg("ConfigMap watcher exiting gracefully.")
return
default:
watcher, err := clientset.CoreV1().ConfigMaps(config.Config.Tap.Release.Namespace).Watch(context.TODO(), metav1.ListOptions{
FieldSelector: "metadata.name=" + configMapName,
})
if err != nil {
log.Warn().Err(err).Msg("ConfigMap not found, retrying in 5 seconds...")
time.Sleep(5 * time.Second)
continue
}
// Create a goroutine to process events
watcherClosed := make(chan struct{})
go func() {
defer close(watcherClosed)
for event := range watcher.ResultChan() {
if event.Type == watch.Added {
log.Info().Msg("ConfigMap created or modified")
runScriptsSync(provider)
} else if event.Type == watch.Deleted {
log.Warn().Msg("ConfigMap deleted, waiting for recreation...")
break
}
}
}()
// Wait for either context cancellation or watcher completion
select {
case <-ctx.Done():
watcher.Stop()
log.Info().Msg("ConfigMap watcher stopping due to context cancellation")
return
case <-watcherClosed:
log.Info().Msg("Watcher closed, restarting...")
}
time.Sleep(5 * time.Second)
}
}
}
func runScriptsSync(provider *kubernetes.Provider) {
files := make(map[string]int64)
scripts, err := config.Config.Scripting.GetScripts()
if err != nil {
log.Error().Err(err).Send()
return
}
for _, script := range scripts {
index, err := createScript(provider, script.ConfigMap())
if err != nil {
log.Error().Err(err).Send()
continue
}
files[script.Path] = index
}
log.Info().Msg("Synchronized scripts with ConfigMap.")
}

View File

@@ -1,65 +0,0 @@
package cmd
import (
"errors"
"github.com/creasty/defaults"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/errormessage"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var tapCmd = &cobra.Command{
Use: "tap [POD REGEX]",
Short: "Capture the network traffic in your Kubernetes cluster",
RunE: func(cmd *cobra.Command, args []string) error {
tap()
return nil
},
PreRunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 1 {
config.Config.Tap.PodRegexStr = args[0]
} else if len(args) > 1 {
return errors.New("unexpected number of arguments")
}
if err := config.Config.Tap.Validate(); err != nil {
return errormessage.FormatError(err)
}
return nil
},
}
func init() {
rootCmd.AddCommand(tapCmd)
defaultTapConfig := configStructs.TapConfig{}
if err := defaults.Set(&defaultTapConfig); err != nil {
log.Debug().Err(err).Send()
}
tapCmd.Flags().StringP(configStructs.DockerRegistryLabel, "r", defaultTapConfig.Docker.Registry, "The Docker registry that's hosting the images")
tapCmd.Flags().StringP(configStructs.DockerTagLabel, "t", defaultTapConfig.Docker.Tag, "The tag of the Docker images that are going to be pulled")
tapCmd.Flags().String(configStructs.DockerImagePullPolicy, defaultTapConfig.Docker.ImagePullPolicy, "ImagePullPolicy for the Docker images")
tapCmd.Flags().StringSlice(configStructs.DockerImagePullSecrets, defaultTapConfig.Docker.ImagePullSecrets, "ImagePullSecrets for the Docker images")
tapCmd.Flags().Uint16(configStructs.ProxyFrontPortLabel, defaultTapConfig.Proxy.Front.Port, "Provide a custom port for the proxy/port-forward")
tapCmd.Flags().String(configStructs.ProxyHostLabel, defaultTapConfig.Proxy.Host, "Provide a custom host for the proxy/port-forward")
tapCmd.Flags().StringSliceP(configStructs.NamespacesLabel, "n", defaultTapConfig.Namespaces, "Namespaces selector")
tapCmd.Flags().StringSliceP(configStructs.ExcludedNamespacesLabel, "e", defaultTapConfig.ExcludedNamespaces, "Excluded namespaces")
tapCmd.Flags().StringP(configStructs.ReleaseNamespaceLabel, "s", defaultTapConfig.Release.Namespace, "Release namespace of Kubeshark")
tapCmd.Flags().Bool(configStructs.PersistentStorageLabel, defaultTapConfig.PersistentStorage, "Enable persistent storage (PersistentVolumeClaim)")
tapCmd.Flags().Bool(configStructs.PersistentStorageStaticLabel, defaultTapConfig.PersistentStorageStatic, "Persistent storage static provision")
tapCmd.Flags().String(configStructs.EfsFileSytemIdAndPathLabel, defaultTapConfig.EfsFileSytemIdAndPath, "EFS file system ID")
tapCmd.Flags().String(configStructs.StorageLimitLabel, defaultTapConfig.StorageLimit, "Override the default storage limit (per node)")
tapCmd.Flags().String(configStructs.StorageClassLabel, defaultTapConfig.StorageClass, "Override the default storage class of the PersistentVolumeClaim (per node)")
tapCmd.Flags().Bool(configStructs.DryRunLabel, defaultTapConfig.DryRun, "Preview of all pods matching the regex, without tapping them")
tapCmd.Flags().Bool(configStructs.ServiceMeshLabel, defaultTapConfig.ServiceMesh, "Capture the encrypted traffic if the cluster is configured with a service mesh and with mTLS")
tapCmd.Flags().Bool(configStructs.TlsLabel, defaultTapConfig.Tls, "Capture the traffic that's encrypted with OpenSSL or Go crypto/tls libraries")
tapCmd.Flags().Bool(configStructs.IngressEnabledLabel, defaultTapConfig.Ingress.Enabled, "Enable Ingress")
tapCmd.Flags().Bool(configStructs.TelemetryEnabledLabel, defaultTapConfig.Telemetry.Enabled, "Enable/disable Telemetry")
tapCmd.Flags().Bool(configStructs.ResourceGuardEnabledLabel, defaultTapConfig.ResourceGuard.Enabled, "Enable/disable resource guard")
tapCmd.Flags().Bool(configStructs.WatchdogEnabled, defaultTapConfig.Watchdog.Enabled, "Enable/disable watchdog")
}

View File

@@ -1,469 +0,0 @@
package cmd
import (
"context"
"encoding/json"
"fmt"
"os"
"regexp"
"strings"
"sync"
"time"
"github.com/kubeshark/kubeshark/kubernetes/helm"
"github.com/kubeshark/kubeshark/misc"
"github.com/kubeshark/kubeshark/utils"
core "k8s.io/api/core/v1"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/config/configStructs"
"github.com/kubeshark/kubeshark/errormessage"
"github.com/kubeshark/kubeshark/kubernetes"
"github.com/rs/zerolog/log"
)
const cleanupTimeout = time.Minute
type tapState struct {
startTime time.Time
targetNamespaces []string
}
var state tapState
type Readiness struct {
Hub bool
Front bool
Proxy bool
sync.Mutex
}
var ready *Readiness
func tap() {
ready = &Readiness{}
state.startTime = time.Now()
log.Info().Str("registry", config.Config.Tap.Docker.Registry).Str("tag", config.Config.Tap.Docker.Tag).Msg("Using Docker:")
log.Info().
Str("limit", config.Config.Tap.StorageLimit).
Msg(fmt.Sprintf("%s will store the traffic up to a limit (per node). Oldest TCP/UDP streams will be removed once the limit is reached.", misc.Software))
kubernetesProvider, err := getKubernetesProviderForCli(false, false)
if err != nil {
log.Error().Err(err).Send()
return
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel() // cancel will be called when this function exits
state.targetNamespaces = kubernetesProvider.GetNamespaces()
log.Info().
Bool("enabled", config.Config.Tap.Telemetry.Enabled).
Str("notice", "Telemetry can be disabled by setting the flag: --telemetry-enabled=false").
Msg("Telemetry")
log.Info().Strs("namespaces", state.targetNamespaces).Msg("Targeting pods in:")
if err := printTargetedPodsPreview(ctx, kubernetesProvider, state.targetNamespaces); err != nil {
log.Error().Err(errormessage.FormatError(err)).Msg("Error listing pods!")
}
if config.Config.Tap.DryRun {
return
}
log.Info().Msg(fmt.Sprintf("Waiting for the creation of %s resources...", misc.Software))
rel, err := helm.NewHelm(
config.Config.Tap.Release.Repo,
config.Config.Tap.Release.Name,
config.Config.Tap.Release.Namespace,
).Install()
if err != nil {
if err.Error() != "cannot re-use a name that is still in use" {
log.Error().Err(err).Send()
os.Exit(1)
}
log.Info().Msg("Found an existing installation, skipping Helm install...")
updateConfig(kubernetesProvider)
postFrontStarted(ctx, kubernetesProvider, cancel)
} else {
log.Info().Msgf("Installed the Helm release: %s", rel.Name)
go watchHubEvents(ctx, kubernetesProvider, cancel)
go watchHubPod(ctx, kubernetesProvider, cancel)
go watchFrontPod(ctx, kubernetesProvider, cancel)
}
defer finishTapExecution(kubernetesProvider)
// block until exit signal or error
utils.WaitForTermination(ctx, cancel)
if !config.Config.Tap.Ingress.Enabled {
printProxyCommandSuggestion()
}
}
func printProxyCommandSuggestion() {
log.Warn().
Str("command", fmt.Sprintf("%s proxy", misc.Program)).
Msg(fmt.Sprintf(utils.Yellow, "To re-establish a proxy/port-forward, run:"))
}
func finishTapExecution(kubernetesProvider *kubernetes.Provider) {
finishSelfExecution(kubernetesProvider)
}
/*
This function is a bit problematic as it might be detached from the actual pods the Kubeshark that targets.
The alternative would be to wait for Hub to be ready and then query it for the pods it listens to, this has
the arguably worse drawback of taking a relatively very long time before the user sees which pods are targeted, if any.
*/
func printTargetedPodsPreview(ctx context.Context, kubernetesProvider *kubernetes.Provider, namespaces []string) error {
if matchingPods, err := kubernetesProvider.ListAllRunningPodsMatchingRegex(ctx, config.Config.Tap.PodRegex(), namespaces); err != nil {
return err
} else {
if len(matchingPods) == 0 {
printNoPodsFoundSuggestion(namespaces)
}
for _, targetedPod := range matchingPods {
log.Info().Msg(fmt.Sprintf("Targeted pod: %s", fmt.Sprintf(utils.Green, targetedPod.Name)))
}
return nil
}
}
func printNoPodsFoundSuggestion(targetNamespaces []string) {
var suggestionStr string
if !utils.Contains(targetNamespaces, kubernetes.K8sAllNamespaces) {
suggestionStr = ". You can also try selecting a different namespace with -n or target all namespaces with -A"
}
log.Warn().Msg(fmt.Sprintf("Did not find any currently running pods that match the regex argument, %s will automatically target matching pods if any are created later%s", misc.Software, suggestionStr))
}
func watchHubPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s", kubernetes.HubPodName))
podWatchHelper := kubernetes.NewPodWatchHelper(kubernetesProvider, podExactRegex)
eventChan, errorChan := kubernetes.FilteredWatch(ctx, podWatchHelper, []string{config.Config.Tap.Release.Namespace}, podWatchHelper)
isPodReady := false
timeAfter := time.After(120 * time.Second)
for {
select {
case wEvent, ok := <-eventChan:
if !ok {
eventChan = nil
continue
}
switch wEvent.Type {
case kubernetes.EventAdded:
log.Info().Str("pod", kubernetes.HubPodName).Msg("Added:")
case kubernetes.EventDeleted:
log.Info().Str("pod", kubernetes.HubPodName).Msg("Removed:")
cancel()
return
case kubernetes.EventModified:
modifiedPod, err := wEvent.ToPod()
if err != nil {
log.Error().Str("pod", kubernetes.HubPodName).Err(err).Msg("While watching pod.")
cancel()
continue
}
log.Debug().
Str("pod", kubernetes.HubPodName).
Interface("phase", modifiedPod.Status.Phase).
Interface("containers-statuses", modifiedPod.Status.ContainerStatuses).
Msg("Watching pod.")
if modifiedPod.Status.Phase == core.PodRunning && !isPodReady {
isPodReady = true
ready.Lock()
ready.Hub = true
ready.Unlock()
log.Info().Str("pod", kubernetes.HubPodName).Msg("Ready.")
}
ready.Lock()
proxyDone := ready.Proxy
hubPodReady := ready.Hub
frontPodReady := ready.Front
ready.Unlock()
if !proxyDone && hubPodReady && frontPodReady {
ready.Lock()
ready.Proxy = true
ready.Unlock()
postFrontStarted(ctx, kubernetesProvider, cancel)
}
case kubernetes.EventBookmark:
break
case kubernetes.EventError:
break
}
case err, ok := <-errorChan:
if !ok {
errorChan = nil
continue
}
log.Error().
Str("pod", kubernetes.HubPodName).
Str("namespace", config.Config.Tap.Release.Namespace).
Err(err).
Msg("Failed creating pod.")
cancel()
case <-timeAfter:
if !isPodReady {
log.Error().
Str("pod", kubernetes.HubPodName).
Msg("Pod was not ready in time.")
cancel()
}
case <-ctx.Done():
log.Debug().
Str("pod", kubernetes.HubPodName).
Msg("Watching pod, context done.")
return
}
}
}
func watchFrontPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s", kubernetes.FrontPodName))
podWatchHelper := kubernetes.NewPodWatchHelper(kubernetesProvider, podExactRegex)
eventChan, errorChan := kubernetes.FilteredWatch(ctx, podWatchHelper, []string{config.Config.Tap.Release.Namespace}, podWatchHelper)
isPodReady := false
timeAfter := time.After(120 * time.Second)
for {
select {
case wEvent, ok := <-eventChan:
if !ok {
eventChan = nil
continue
}
switch wEvent.Type {
case kubernetes.EventAdded:
log.Info().Str("pod", kubernetes.FrontPodName).Msg("Added:")
case kubernetes.EventDeleted:
log.Info().Str("pod", kubernetes.FrontPodName).Msg("Removed:")
cancel()
return
case kubernetes.EventModified:
modifiedPod, err := wEvent.ToPod()
if err != nil {
log.Error().Str("pod", kubernetes.FrontPodName).Err(err).Msg("While watching pod.")
cancel()
continue
}
log.Debug().
Str("pod", kubernetes.FrontPodName).
Interface("phase", modifiedPod.Status.Phase).
Interface("containers-statuses", modifiedPod.Status.ContainerStatuses).
Msg("Watching pod.")
if modifiedPod.Status.Phase == core.PodRunning && !isPodReady {
isPodReady = true
ready.Lock()
ready.Front = true
ready.Unlock()
log.Info().Str("pod", kubernetes.FrontPodName).Msg("Ready.")
}
ready.Lock()
proxyDone := ready.Proxy
hubPodReady := ready.Hub
frontPodReady := ready.Front
ready.Unlock()
if !proxyDone && hubPodReady && frontPodReady {
ready.Lock()
ready.Proxy = true
ready.Unlock()
postFrontStarted(ctx, kubernetesProvider, cancel)
}
case kubernetes.EventBookmark:
break
case kubernetes.EventError:
break
}
case err, ok := <-errorChan:
if !ok {
errorChan = nil
continue
}
log.Error().
Str("pod", kubernetes.FrontPodName).
Str("namespace", config.Config.Tap.Release.Namespace).
Err(err).
Msg("Failed creating pod.")
case <-timeAfter:
if !isPodReady {
log.Error().
Str("pod", kubernetes.FrontPodName).
Msg("Pod was not ready in time.")
cancel()
}
case <-ctx.Done():
log.Debug().
Str("pod", kubernetes.FrontPodName).
Msg("Watching pod, context done.")
return
}
}
}
func watchHubEvents(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s", kubernetes.HubPodName))
eventWatchHelper := kubernetes.NewEventWatchHelper(kubernetesProvider, podExactRegex, "pod")
eventChan, errorChan := kubernetes.FilteredWatch(ctx, eventWatchHelper, []string{config.Config.Tap.Release.Namespace}, eventWatchHelper)
for {
select {
case wEvent, ok := <-eventChan:
if !ok {
eventChan = nil
continue
}
event, err := wEvent.ToEvent()
if err != nil {
log.Error().
Str("pod", kubernetes.HubPodName).
Err(err).
Msg("Parsing resource event.")
continue
}
if state.startTime.After(event.CreationTimestamp.Time) {
continue
}
log.Debug().
Str("pod", kubernetes.HubPodName).
Str("event", event.Name).
Time("time", event.CreationTimestamp.Time).
Str("name", event.Regarding.Name).
Str("kind", event.Regarding.Kind).
Str("reason", event.Reason).
Str("note", event.Note).
Msg("Watching events.")
switch event.Reason {
case "FailedScheduling", "Failed":
log.Error().
Str("pod", kubernetes.HubPodName).
Str("event", event.Name).
Time("time", event.CreationTimestamp.Time).
Str("name", event.Regarding.Name).
Str("kind", event.Regarding.Kind).
Str("reason", event.Reason).
Str("note", event.Note).
Msg("Watching events.")
cancel()
}
case err, ok := <-errorChan:
if !ok {
errorChan = nil
continue
}
log.Error().
Str("pod", kubernetes.HubPodName).
Err(err).
Msg("While watching events.")
case <-ctx.Done():
log.Debug().
Str("pod", kubernetes.HubPodName).
Msg("Watching pod events, context done.")
return
}
}
}
func postFrontStarted(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
startProxyReportErrorIfAny(
kubernetesProvider,
ctx,
kubernetes.FrontServiceName,
kubernetes.FrontPodName,
configStructs.ProxyFrontPortLabel,
config.Config.Tap.Proxy.Front.Port,
configStructs.ContainerPort,
"",
)
var url string
if config.Config.Tap.Ingress.Enabled {
url = fmt.Sprintf("http://%s", config.Config.Tap.Ingress.Host)
} else {
url = kubernetes.GetProxyOnPort(config.Config.Tap.Proxy.Front.Port)
}
log.Info().Str("url", url).Msg(fmt.Sprintf(utils.Green, fmt.Sprintf("%s is available at:", misc.Software)))
if !config.Config.HeadlessMode {
utils.OpenBrowser(url)
}
for !ready.Hub {
time.Sleep(100 * time.Millisecond)
}
if (config.Config.Scripting.Source != "" || len(config.Config.Scripting.Sources) > 0) && config.Config.Scripting.WatchScripts {
watchScripts(ctx, kubernetesProvider, false)
}
if config.Config.Scripting.Console {
go runConsoleWithoutProxy()
}
}
func updateConfig(kubernetesProvider *kubernetes.Provider) {
_, _ = kubernetes.SetSecret(kubernetesProvider, kubernetes.SECRET_LICENSE, config.Config.License)
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_POD_REGEX, config.Config.Tap.PodRegexStr)
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_NAMESPACES, strings.Join(config.Config.Tap.Namespaces, ","))
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_EXCLUDED_NAMESPACES, strings.Join(config.Config.Tap.ExcludedNamespaces, ","))
data, err := json.Marshal(config.Config.Scripting.Env)
if err != nil {
log.Error().Str("config", kubernetes.CONFIG_SCRIPTING_ENV).Err(err).Send()
return
} else {
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_SCRIPTING_ENV, string(data))
}
ingressEnabled := ""
if config.Config.Tap.Ingress.Enabled {
ingressEnabled = "true"
}
authEnabled := ""
if config.Config.Tap.Auth.Enabled {
authEnabled = "true"
}
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_INGRESS_ENABLED, ingressEnabled)
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_INGRESS_HOST, config.Config.Tap.Ingress.Host)
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_PROXY_FRONT_PORT, fmt.Sprint(config.Config.Tap.Proxy.Front.Port))
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_AUTH_ENABLED, authEnabled)
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_AUTH_TYPE, config.Config.Tap.Auth.Type)
_, _ = kubernetes.SetConfig(kubernetesProvider, kubernetes.CONFIG_AUTH_SAML_IDP_METADATA_URL, config.Config.Tap.Auth.Saml.IdpMetadataUrl)
}

View File

@@ -1,35 +0,0 @@
package cmd
import (
"fmt"
"strconv"
"time"
"github.com/kubeshark/kubeshark/config"
"github.com/kubeshark/kubeshark/misc"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
)
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print version info",
RunE: func(cmd *cobra.Command, args []string) error {
timeStampInt, _ := strconv.ParseInt(misc.BuildTimestamp, 10, 0)
if config.DebugMode {
log.Info().
Str("version", misc.Ver).
Str("branch", misc.Branch).
Str("commit-hash", misc.GitCommitHash).
Time("build-time", time.Unix(timeStampInt, 0)).
Send()
} else {
fmt.Println(misc.Ver)
}
return nil
},
}
func init() {
rootCmd.AddCommand(versionCmd)
}

View File

@@ -1,8 +0,0 @@
coverage:
status:
project:
default:
threshold: 1%
patch:
default:
enabled: no

View File

@@ -1,440 +0,0 @@
package config
import (
"errors"
"fmt"
"io"
"os"
"path"
"path/filepath"
"reflect"
"strconv"
"strings"
"github.com/creasty/defaults"
"github.com/goccy/go-yaml"
"github.com/kubeshark/kubeshark/misc"
"github.com/kubeshark/kubeshark/misc/version"
"github.com/kubeshark/kubeshark/utils"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
const (
Separator = "="
SetCommandName = "set"
FieldNameTag = "yaml"
ReadonlyTag = "readonly"
DebugFlag = "debug"
ConfigPathFlag = "config-path"
)
var (
Config ConfigStruct
DebugMode bool
cmdName string
ConfigFilePath string
)
func InitConfig(cmd *cobra.Command) error {
var err error
DebugMode, err = cmd.Flags().GetBool(DebugFlag)
if err != nil {
log.Error().Err(err).Msg(fmt.Sprintf("Can't receive '%s' flag", DebugFlag))
}
if DebugMode {
zerolog.SetGlobalLevel(zerolog.DebugLevel)
}
if cmd.Use == "version" {
return nil
}
if !utils.Contains([]string{
"console",
"pro",
"manifests",
"license",
"mcp",
}, cmd.Use) {
go version.CheckNewerVersion()
}
Config = CreateDefaultConfig()
Config.Tap.Debug = DebugMode
if DebugMode {
Config.LogLevel = "debug"
}
cmdName = cmd.Name()
if utils.Contains([]string{
"clean",
"console",
"pro",
"proxy",
"scripts",
"pprof",
}, cmdName) {
cmdName = "tap"
}
if err := defaults.Set(&Config); err != nil {
return err
}
ConfigFilePath = GetConfigFilePath(cmd)
if err := loadConfigFile(&Config, utils.Contains([]string{
"manifests",
"license",
}, cmd.Use)); err != nil {
if !os.IsNotExist(err) {
return fmt.Errorf("invalid config, %w\n"+
"you can regenerate the file by removing it (%v) and using `kubeshark config -r`", err, ConfigFilePath)
}
}
cmd.Flags().Visit(initFlag)
log.Debug().Interface("config", Config).Msg("Init config is finished.")
return nil
}
func GetConfigWithDefaults() (*ConfigStruct, error) {
defaultConf := ConfigStruct{}
if err := defaults.Set(&defaultConf); err != nil {
return nil, err
}
configElem := reflect.ValueOf(&defaultConf).Elem()
setZeroForReadonlyFields(configElem)
return &defaultConf, nil
}
func WriteConfig(config *ConfigStruct) error {
template, err := utils.PrettyYaml(config)
if err != nil {
return fmt.Errorf("failed converting config to yaml, err: %v", err)
}
data := []byte(template)
if _, err := os.Stat(ConfigFilePath); os.IsNotExist(err) {
err = os.MkdirAll(filepath.Dir(ConfigFilePath), 0700)
if err != nil {
return fmt.Errorf("failed creating directories, err: %v", err)
}
}
if err := os.WriteFile(ConfigFilePath, data, 0644); err != nil {
return fmt.Errorf("failed writing config, err: %v", err)
}
return nil
}
func GetConfigFilePath(cmd *cobra.Command) string {
defaultConfigPath := path.Join(misc.GetDotFolderPath(), "config.yaml")
cwd, err := os.Getwd()
if err != nil {
return defaultConfigPath
}
if cmd != nil {
configPathOverride, err := cmd.Flags().GetString(ConfigPathFlag)
if err == nil {
if configPathOverride != "" {
resolvedConfigPath, err := filepath.Abs(configPathOverride)
if err != nil {
log.Error().Err(err).Msg("--config-path flag path cannot be resolved")
} else {
return resolvedConfigPath
}
}
} else {
log.Error().Err(err).Msg("--config-path flag parser error")
}
}
cwdConfig := filepath.Join(cwd, fmt.Sprintf("%s.yaml", misc.Program))
reader, err := os.Open(cwdConfig)
if err != nil {
return defaultConfigPath
} else {
reader.Close()
return cwdConfig
}
}
func loadConfigFile(config *ConfigStruct, silent bool) error {
reader, err := os.Open(ConfigFilePath)
if err != nil {
return err
}
defer reader.Close()
buf, err := io.ReadAll(reader)
if err != nil {
return err
}
if err := yaml.Unmarshal(buf, config); err != nil {
return err
}
if !silent {
log.Info().Str("path", ConfigFilePath).Msg("Found config file!")
}
return nil
}
func initFlag(f *pflag.Flag) {
configElemValue := reflect.ValueOf(&Config).Elem()
var flagPath []string
flagPath = append(flagPath, cmdName)
flagPath = append(flagPath, strings.Split(f.Name, "-")...)
flagPathJoined := strings.Join(flagPath, ".")
if strings.HasSuffix(flagPathJoined, ".config.path") {
return
}
sliceValue, isSliceValue := f.Value.(pflag.SliceValue)
if !isSliceValue {
if err := mergeFlagValue(configElemValue, flagPath, flagPathJoined, f.Value.String()); err != nil {
log.Warn().Err(err).Send()
}
return
}
if f.Name == SetCommandName {
if err := mergeSetFlag(configElemValue, sliceValue.GetSlice()); err != nil {
log.Warn().Err(err).Send()
}
return
}
if err := mergeFlagValues(configElemValue, flagPath, flagPathJoined, sliceValue.GetSlice()); err != nil {
log.Warn().Err(err).Send()
}
}
func mergeSetFlag(configElemValue reflect.Value, setValues []string) error {
var setErrors []string
setMap := map[string][]string{}
for _, setValue := range setValues {
if !strings.Contains(setValue, Separator) {
setErrors = append(setErrors, fmt.Sprintf("Ignoring set argument %s (set argument format: <flag name>=<flag value>)", setValue))
continue
}
split := strings.SplitN(setValue, Separator, 2)
argumentKey, argumentValue := split[0], split[1]
setMap[argumentKey] = append(setMap[argumentKey], argumentValue)
}
for argumentKey, argumentValues := range setMap {
flagPath := strings.Split(argumentKey, ".")
if len(argumentValues) > 1 {
if err := mergeFlagValues(configElemValue, flagPath, argumentKey, argumentValues); err != nil {
setErrors = append(setErrors, fmt.Sprintf("%v", err))
}
} else {
if err := mergeFlagValue(configElemValue, flagPath, argumentKey, argumentValues[0]); err != nil {
setErrors = append(setErrors, fmt.Sprintf("%v", err))
}
}
}
if len(setErrors) > 0 {
return errors.New(strings.Join(setErrors, "\n"))
}
return nil
}
func mergeFlagValue(configElemValue reflect.Value, flagPath []string, fullFlagName string, flagValue string) error {
mergeFunction := func(flagName string, currentFieldStruct reflect.StructField, currentFieldElemValue reflect.Value, currentElemValue reflect.Value) error {
currentFieldKind := currentFieldStruct.Type.Kind()
if currentFieldKind == reflect.Slice {
return mergeFlagValues(currentElemValue, []string{flagName}, fullFlagName, []string{flagValue})
}
parsedValue, err := getParsedValue(currentFieldKind, flagValue)
if err != nil {
return fmt.Errorf("invalid value %s for flag name %s, expected %s", flagValue, flagName, currentFieldKind)
}
currentFieldElemValue.Set(parsedValue)
return nil
}
return mergeFlag(configElemValue, flagPath, fullFlagName, mergeFunction)
}
func mergeFlagValues(configElemValue reflect.Value, flagPath []string, fullFlagName string, flagValues []string) error {
mergeFunction := func(flagName string, currentFieldStruct reflect.StructField, currentFieldElemValue reflect.Value, currentElemValue reflect.Value) error {
currentFieldKind := currentFieldStruct.Type.Kind()
if currentFieldKind != reflect.Slice {
return fmt.Errorf("invalid values %s for flag name %s, expected %s", strings.Join(flagValues, ","), flagName, currentFieldKind)
}
flagValueKind := currentFieldStruct.Type.Elem().Kind()
parsedValues := reflect.MakeSlice(reflect.SliceOf(currentFieldStruct.Type.Elem()), 0, 0)
for _, flagValue := range flagValues {
parsedValue, err := getParsedValue(flagValueKind, flagValue)
if err != nil {
return fmt.Errorf("invalid value %s for flag name %s, expected %s", flagValue, flagName, flagValueKind)
}
parsedValues = reflect.Append(parsedValues, parsedValue)
}
currentFieldElemValue.Set(parsedValues)
return nil
}
return mergeFlag(configElemValue, flagPath, fullFlagName, mergeFunction)
}
func mergeFlag(currentElemValue reflect.Value, currentFlagPath []string, fullFlagName string, mergeFunction func(flagName string, currentFieldStruct reflect.StructField, currentFieldElemValue reflect.Value, currentElemValue reflect.Value) error) error {
if len(currentFlagPath) == 0 {
return fmt.Errorf("flag \"%s\" not found", fullFlagName)
}
for i := 0; i < currentElemValue.NumField(); i++ {
currentFieldStruct := currentElemValue.Type().Field(i)
currentFieldElemValue := currentElemValue.FieldByName(currentFieldStruct.Name)
if currentFieldStruct.Type.Kind() == reflect.Struct && getFieldNameByTag(currentFieldStruct) == currentFlagPath[0] {
return mergeFlag(currentFieldElemValue, currentFlagPath[1:], fullFlagName, mergeFunction)
}
if len(currentFlagPath) > 1 || getFieldNameByTag(currentFieldStruct) != currentFlagPath[0] {
continue
}
return mergeFunction(currentFlagPath[0], currentFieldStruct, currentFieldElemValue, currentElemValue)
}
return fmt.Errorf("flag \"%s\" not found", fullFlagName)
}
func getFieldNameByTag(field reflect.StructField) string {
return strings.Split(field.Tag.Get(FieldNameTag), ",")[0]
}
func getParsedValue(kind reflect.Kind, value string) (reflect.Value, error) {
switch kind {
case reflect.String:
return reflect.ValueOf(value), nil
case reflect.Bool:
boolArgumentValue, err := strconv.ParseBool(value)
if err != nil {
break
}
return reflect.ValueOf(boolArgumentValue), nil
case reflect.Int:
intArgumentValue, err := strconv.ParseInt(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(int(intArgumentValue)), nil
case reflect.Int8:
intArgumentValue, err := strconv.ParseInt(value, 10, 8)
if err != nil {
break
}
return reflect.ValueOf(int8(intArgumentValue)), nil
case reflect.Int16:
intArgumentValue, err := strconv.ParseInt(value, 10, 16)
if err != nil {
break
}
return reflect.ValueOf(int16(intArgumentValue)), nil
case reflect.Int32:
intArgumentValue, err := strconv.ParseInt(value, 10, 32)
if err != nil {
break
}
return reflect.ValueOf(int32(intArgumentValue)), nil
case reflect.Int64:
intArgumentValue, err := strconv.ParseInt(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(intArgumentValue), nil
case reflect.Uint:
uintArgumentValue, err := strconv.ParseUint(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(uint(uintArgumentValue)), nil
case reflect.Uint8:
uintArgumentValue, err := strconv.ParseUint(value, 10, 8)
if err != nil {
break
}
return reflect.ValueOf(uint8(uintArgumentValue)), nil
case reflect.Uint16:
uintArgumentValue, err := strconv.ParseUint(value, 10, 16)
if err != nil {
break
}
return reflect.ValueOf(uint16(uintArgumentValue)), nil
case reflect.Uint32:
uintArgumentValue, err := strconv.ParseUint(value, 10, 32)
if err != nil {
break
}
return reflect.ValueOf(uint32(uintArgumentValue)), nil
case reflect.Uint64:
uintArgumentValue, err := strconv.ParseUint(value, 10, 64)
if err != nil {
break
}
return reflect.ValueOf(uintArgumentValue), nil
}
return reflect.ValueOf(nil), errors.New("value to parse does not match type")
}
func setZeroForReadonlyFields(currentElem reflect.Value) {
for i := 0; i < currentElem.NumField(); i++ {
currentField := currentElem.Type().Field(i)
currentFieldByName := currentElem.FieldByName(currentField.Name)
if currentField.Type.Kind() == reflect.Struct {
setZeroForReadonlyFields(currentFieldByName)
continue
}
if _, ok := currentField.Tag.Lookup(ReadonlyTag); ok {
currentFieldByName.Set(reflect.Zero(currentField.Type))
}
}
}

View File

@@ -1,222 +0,0 @@
package config
import (
"os"
"path/filepath"
"github.com/kubeshark/kubeshark/config/configStructs"
v1 "k8s.io/api/core/v1"
"k8s.io/client-go/util/homedir"
)
const (
KubeConfigPathConfigName = "kube-configPath"
)
func CreateDefaultConfig() ConfigStruct {
return ConfigStruct{
Tap: configStructs.TapConfig{
NodeSelectorTerms: configStructs.NodeSelectorTermsConfig{
Workers: []v1.NodeSelectorTerm{
{
MatchExpressions: []v1.NodeSelectorRequirement{
{
Key: "kubernetes.io/os",
Operator: v1.NodeSelectorOpIn,
Values: []string{"linux"},
},
},
},
},
Hub: []v1.NodeSelectorTerm{
{
MatchExpressions: []v1.NodeSelectorRequirement{
{
Key: "kubernetes.io/os",
Operator: v1.NodeSelectorOpIn,
Values: []string{"linux"},
},
},
},
},
Front: []v1.NodeSelectorTerm{
{
MatchExpressions: []v1.NodeSelectorRequirement{
{
Key: "kubernetes.io/os",
Operator: v1.NodeSelectorOpIn,
Values: []string{"linux"},
},
},
},
},
Dex: []v1.NodeSelectorTerm{
{
MatchExpressions: []v1.NodeSelectorRequirement{
{
Key: "kubernetes.io/os",
Operator: v1.NodeSelectorOpIn,
Values: []string{"linux"},
},
},
},
},
},
Tolerations: configStructs.TolerationsConfig{
Workers: []v1.Toleration{
{
Effect: v1.TaintEffect("NoExecute"),
Operator: v1.TolerationOpExists,
},
},
},
SecurityContext: configStructs.SecurityContextConfig{
Privileged: true,
// Capabilities used only when running in unprivileged mode
Capabilities: configStructs.CapabilitiesConfig{
NetworkCapture: []string{
// NET_RAW is required to listen the network traffic
"NET_RAW",
// NET_ADMIN is required to listen the network traffic
"NET_ADMIN",
},
ServiceMeshCapture: []string{
// SYS_ADMIN is required to read /proc/PID/net/ns + to install eBPF programs (kernel < 5.8)
"SYS_ADMIN",
// SYS_PTRACE is required to set netns to other process + to open libssl.so of other process
"SYS_PTRACE",
// DAC_OVERRIDE is required to read /proc/PID/environ
"DAC_OVERRIDE",
},
EBPFCapture: []string{
// SYS_ADMIN is required to read /proc/PID/net/ns + to install eBPF programs (kernel < 5.8)
"SYS_ADMIN",
// SYS_PTRACE is required to set netns to other process + to open libssl.so of other process
"SYS_PTRACE",
// SYS_RESOURCE is required to change rlimits for eBPF
"SYS_RESOURCE",
// IPC_LOCK is required for ebpf perf buffers allocations after some amount of size buffer size:
// https://github.com/kubeshark/tracer/blob/13e24725ba8b98216dd0e553262e6d9c56dce5fa/main.go#L82)
"IPC_LOCK",
},
},
},
Auth: configStructs.AuthConfig{
Saml: configStructs.SamlConfig{
RoleAttribute: "role",
Roles: map[string]configStructs.Role{
"admin": {
Filter: "",
CanDownloadPCAP: true,
CanUseScripting: true,
ScriptingPermissions: configStructs.ScriptingPermissions{
CanSave: true,
CanActivate: true,
CanDelete: true,
},
CanUpdateTargetedPods: true,
CanStopTrafficCapturing: true,
CanControlDissection: true,
ShowAdminConsoleLink: true,
},
},
},
},
EnabledDissectors: []string{
"amqp",
"dns",
"http",
"icmp",
"kafka",
"redis",
// "sctp",
// "syscall",
// "tcp",
// "udp",
"ws",
// "tlsx",
"ldap",
"radius",
"diameter",
"udp-flow",
"tcp-flow",
"udp-conn",
"tcp-conn",
},
PortMapping: configStructs.PortMapping{
HTTP: []uint16{80, 443, 8080},
AMQP: []uint16{5671, 5672},
KAFKA: []uint16{9092},
REDIS: []uint16{6379},
LDAP: []uint16{389},
DIAMETER: []uint16{3868},
},
Dashboard: configStructs.DashboardConfig{
CompleteStreamingEnabled: true,
},
Capture: configStructs.CaptureConfig{
Dissection: configStructs.DissectionConfig{
Enabled: true,
StopAfter: "5m",
},
},
},
}
}
type KubeConfig struct {
ConfigPathStr string `yaml:"configPath" json:"configPath"`
Context string `yaml:"context" json:"context"`
}
type ManifestsConfig struct {
Dump bool `yaml:"dump" json:"dump"`
}
type ConfigStruct struct {
Tap configStructs.TapConfig `yaml:"tap" json:"tap"`
Logs configStructs.LogsConfig `yaml:"logs" json:"logs"`
Config configStructs.ConfigConfig `yaml:"config,omitempty" json:"config,omitempty"`
PcapDump configStructs.PcapDumpConfig `yaml:"pcapdump" json:"pcapdump"`
Kube KubeConfig `yaml:"kube" json:"kube"`
DumpLogs bool `yaml:"dumpLogs" json:"dumpLogs" default:"false"`
HeadlessMode bool `yaml:"headless" json:"headless" default:"false"`
License string `yaml:"license" json:"license" default:""`
CloudApiUrl string `yaml:"cloudApiUrl" json:"cloudApiUrl" default:"https://api.kubeshark.com"`
CloudLicenseEnabled bool `yaml:"cloudLicenseEnabled" json:"cloudLicenseEnabled" default:"true"`
DemoModeEnabled bool `yaml:"demoModeEnabled" json:"demoModeEnabled" default:"false"`
SupportChatEnabled bool `yaml:"supportChatEnabled" json:"supportChatEnabled" default:"false"`
BetaEnabled bool `yaml:"betaEnabled" json:"betaEnabled" default:"false"`
InternetConnectivity bool `yaml:"internetConnectivity" json:"internetConnectivity" default:"true"`
Scripting configStructs.ScriptingConfig `yaml:"scripting" json:"scripting"`
Manifests ManifestsConfig `yaml:"manifests,omitempty" json:"manifests,omitempty"`
Timezone string `yaml:"timezone" json:"timezone"`
LogLevel string `yaml:"logLevel" json:"logLevel" default:"warning"`
}
func (config *ConfigStruct) ImagePullPolicy() v1.PullPolicy {
return v1.PullPolicy(config.Tap.Docker.ImagePullPolicy)
}
func (config *ConfigStruct) ImagePullSecrets() []v1.LocalObjectReference {
var ref []v1.LocalObjectReference
for _, name := range config.Tap.Docker.ImagePullSecrets {
ref = append(ref, v1.LocalObjectReference{Name: name})
}
return ref
}
func (config *ConfigStruct) KubeConfigPath() string {
if config.Kube.ConfigPathStr != "" {
return config.Kube.ConfigPathStr
}
envKubeConfigPath := os.Getenv("KUBECONFIG")
if envKubeConfigPath != "" {
return envKubeConfigPath
}
home := homedir.HomeDir()
return filepath.Join(home, ".kube", "config")
}

View File

@@ -1,9 +0,0 @@
package configStructs
const (
RegenerateConfigName = "regenerate"
)
type ConfigConfig struct {
Regenerate bool `yaml:"regenerate,omitempty" json:"regenerate,omitempty" default:"false" readonly:""`
}

View File

@@ -1,39 +0,0 @@
package configStructs
import (
"fmt"
"os"
"path"
"github.com/kubeshark/kubeshark/misc"
)
const (
FileLogsName = "file"
GrepLogsName = "grep"
)
type LogsConfig struct {
FileStr string `yaml:"file" json:"file"`
Grep string `yaml:"grep" json:"grep"`
}
func (config *LogsConfig) Validate() error {
if config.FileStr == "" {
_, err := os.Getwd()
if err != nil {
return fmt.Errorf("failed to get PWD, %v (try using `%s logs -f <full path dest zip file>)`", err, misc.Program)
}
}
return nil
}
func (config *LogsConfig) FilePath() string {
if config.FileStr == "" {
pwd, _ := os.Getwd()
return path.Join(pwd, fmt.Sprintf("%s_logs.zip", misc.Program))
}
return config.FileStr
}

View File

@@ -1,93 +0,0 @@
package configStructs
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"strings"
"github.com/kubeshark/kubeshark/misc"
"github.com/rs/zerolog/log"
)
type ScriptingConfig struct {
Enabled bool `yaml:"enabled" json:"enabled" default:"false"`
Env map[string]interface{} `yaml:"env" json:"env" default:"{}"`
Source string `yaml:"source" json:"source" default:""`
Sources []string `yaml:"sources" json:"sources" default:"[]"`
WatchScripts bool `yaml:"watchScripts" json:"watchScripts" default:"true"`
Active []string `yaml:"active" json:"active" default:"[]"`
Console bool `yaml:"console" json:"console" default:"true"`
}
func (config *ScriptingConfig) GetScripts() (scripts []*misc.Script, err error) {
// Check if both Source and Sources are empty
if config.Source == "" && len(config.Sources) == 0 {
return nil, nil
}
var allFiles []struct {
Source string
File fs.DirEntry
}
// Handle single Source directory
if config.Source != "" {
files, err := os.ReadDir(config.Source)
if err != nil {
return nil, fmt.Errorf("failed to read directory %s: %v", config.Source, err)
}
for _, file := range files {
allFiles = append(allFiles, struct {
Source string
File fs.DirEntry
}{Source: config.Source, File: file})
}
}
// Handle multiple Sources directories
if len(config.Sources) > 0 {
for _, source := range config.Sources {
files, err := os.ReadDir(source)
if err != nil {
return nil, fmt.Errorf("failed to read directory %s: %v", source, err)
}
for _, file := range files {
allFiles = append(allFiles, struct {
Source string
File fs.DirEntry
}{Source: source, File: file})
}
}
}
// Iterate over all collected files
for _, f := range allFiles {
if f.File.IsDir() {
continue
}
// Construct the full path based on the relevant source directory
path := filepath.Join(f.Source, f.File.Name())
if !strings.HasSuffix(f.File.Name(), ".js") { // Use file name suffix for skipping non-JS files
log.Info().Str("path", path).Msg("Skipping non-JS file")
continue
}
// Read the script file
var script *misc.Script
script, err = misc.ReadScriptFile(path)
if err != nil {
return nil, fmt.Errorf("failed to read script file %s: %v", path, err)
}
// Append the valid script to the scripts slice
scripts = append(scripts, script)
log.Debug().Str("path", path).Msg("Found script:")
}
// Return the collected scripts and nil error if successful
return scripts, nil
}

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