#minor

.dockerignore

@@ -0,0 +1,17 @@
+# Files
+.dockerignore
+.editorconfig
+.gitignore
+.env.*
+Dockerfile
+Makefile
+LICENSE
+**/*.md
+**/*_test.go
+*.out
+
+# Folders
+.git/
+.github/
+build/
+**/node_modules/

.github/ISSUE_TEMPLATE/bug_report.md

@@ -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.

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -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

.github/static/kubeshark.rb.tmpl

@@ -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

.github/workflows/helm.yml

@@ -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 }}"

.github/workflows/linter.yml

@@ -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

.github/workflows/publish-cli.yml

@@ -0,0 +1,47 @@
+name: public-cli
+on:
+  push:
+    branches:
+      - develop
+      - main
+      - my-temp-release-check
+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: ${{ secrets.GITHUB_TOKEN }}
+      - name: Get base image name
+        shell: bash
+        run: |
+          echo "##[set-output name=build_timestamp;]$(echo $(date +%s))"
+          echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+        id: version_parameters
+      - name: Build and Push CLI
+        run: make push-cli SEM_VER='${{ 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'

.github/workflows/publish-docker.yml

@@ -0,0 +1,39 @@
+name: publish-docker
+on:
+  push:
+    branches:
+      - 'develop'
+      - 'main'
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - 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,latest
+      - 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 }}
+

.github/workflows/release.yml

@@ -1,67 +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: Release
-        uses: ncipollo/release-action@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          artifacts: "bin/*"
-          tag: ${{ steps.version.outputs.tag }}
-          prerelease: false
-          bodyFile: 'bin/README.md'
-
-  brew:
-    name: Publish a new Homebrew formulae
-    needs: [release]
-    runs-on: ubuntu-latest
-    steps:
-      - name: Bump core homebrew formula
-        uses: mislav/bump-homebrew-formula-action@v3
-        with:
-          # A PR will be sent to github.com/Homebrew/homebrew-core to update this formula:
-          formula-name: kubeshark
-          push-to: kubeshark/homebrew-core
-        env:
-          COMMITTER_TOKEN: ${{ secrets.COMMITTER_TOKEN }}

.github/workflows/test.yml

@@ -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

.gitignore

@@ -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

.goreleaser.yml

@@ -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

CODE_OF_CONDUCT.md

@@ -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

CONTRIBUTING.md

@@ -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.co), 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.

Dockerfile

@@ -0,0 +1,43 @@
+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/
+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
+
+# Copy and build api code
+COPY shared ../shared
+COPY api .
+RUN go build -ldflags="-s -w" -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"

LICENSE

@@ -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,

Makefile

@@ -1,215 +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
 
-lint: ## Lint the source code.
-	golangci-lint run
+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}/\*
 
-kubectl-view-all-resources: ## This command outputs all Kubernetes resources using YAML format and pipes it to VS Code
-	./kubectl.sh view-all-resources
 
-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: clean-ui clean-api clean-cli clean-docker ## Clean all build artifacts
 
-generate-helm-values: ## Generate the Helm values from config.yaml
-	mv ~/.kubeshark/config.yaml ~/.kubeshark/config.yaml.old; bin/kubeshark__ config>helm-chart/values.yaml;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-ui: 
+	@(rm -rf ui/build ; echo "UI cleanup done" )
 
-generate-manifests: ## Generate the manifests from the Helm chart using default configuration
-	helm template kubeshark -n default ./helm-chart > ./manifests/complete.yaml
+clean-api: 
+	@(rm -rf api/build ; echo "api cleanup done" )
 
-logs-sniffer:
-	export LOGS_POD_PREFIX=kubeshark-worker-
-	export LOGS_CONTAINER='-c sniffer'
-	export LOGS_FOLLOW=
-	${MAKE} logs
+clean-cli: 
+	@(cd cli; make clean ; echo "CLI cleanup done" )
 
-logs-sniffer-follow:
-	export LOGS_POD_PREFIX=kubeshark-worker-
-	export LOGS_CONTAINER='-c sniffer'
-	export LOGS_FOLLOW=--follow
-	${MAKE} logs
+clean-docker: 
+	@(echo "DOCKER cleanup - NOT IMPLEMENTED YET " )
 
-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$(VERSION) && git push origin --tags
-	@cd helm-chart && rm -rf ../../kubeshark.github.io/charts/chart && mkdir ../../kubeshark.github.io/charts/chart && cp -r . ../../kubeshark.github.io/charts/chart/
-	@cd ../../kubeshark.github.io/ && git add -A . && git commit -m ":sparkles: Update the Helm chart" && git push
-	@cd ../kubeshark
-
-release-dry-run:
-	@cd ../worker && git checkout master && git pull 
-	@cd ../tracer && git checkout master && git pull 
-	@cd ../hub && git checkout master && git pull
-	@cd ../front && git checkout master && git pull 
-	@cd ../kubeshark && git checkout master && git pull && sed -i "s/^version:.*/version: \"$(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
-
-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)

README.md

@@ -1,86 +1,24 @@
-<p align="center">
-  <img src="https://raw.githubusercontent.com/kubeshark/assets/master/svg/kubeshark-logo.svg" alt="Kubeshark: Traffic analyzer for Kubernetes." height="128px"/>
-</p>
+# 水 mizu
+standalone web app traffic viewer for Kubernetes
 
-<p align="center">
-    <a href="https://github.com/kubeshark/kubeshark/releases/latest">
-        <img alt="GitHub Latest 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://hub.docker.com/r/kubeshark/worker">
-      <img alt="Image size" src="https://img.shields.io/docker/image-size/kubeshark/kubeshark/latest?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-1m90td3n7-VHxN_~V5kVp80SfQW3SfpA">
-      <img alt="Slack" src="https://img.shields.io/badge/slack-join_chat-green?logo=Slack&style=flat-square&label=slack">
-    </a>
-</p>
+## Download
 
-<p align="center">
-  <b>
-    Want to see Kubeshark in action right now? Visit this
-    <a href="https://demo.kubeshark.co/">live demo deployment</a> of Kubeshark.
-  </b>
-</p>
+Download `mizu` for your platform and operating system
 
-**Kubeshark** is a network observability platform for Kubernetes, providing real-time, cluster-wide visibility into Kubernetes’ network. It enables users to inspect all internal and external cluster communications, API calls, and data in transit. Additionally, Kubeshark detects anomalies and emergent behaviors, trigger autonomous remediations, and generate deep network insights.
+### Latest stable release
 
-![Simple UI](https://github.com/kubeshark/assets/raw/master/png/kubeshark-ui.png)
+* for MacOS - `curl -o mizu https://github.com/up9inc/mizu/releases/download/latest/mizu_darwin_amd64 && chmod 755 mizu`
+* for Linux - `curl -o mizu https://github.com/up9inc/mizu/releases/download/latest/mizu_linux_amd64 && chmod 755 mizu`
 
-Think [TCPDump](https://en.wikipedia.org/wiki/Tcpdump) and [Wireshark](https://www.wireshark.org/) reimagined for Kubernetes.
+### Development (unstable) build
+Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
 
-#### Service-Map w/Kubernetes Context
+## How to run
 
-![Service Map with Kubernetes Context](https://github.com/kubeshark/assets/raw/master/png/kubeshark-servicemap.png)
+1. Find pod you'd like to tap to in your Kubernetes cluster
+2. Run `mizu PODNAME` or `mizu REGEX` 
+3. Open browser on `http://localhost:8899` as instructed .. 
+4. Watch the WebAPI traffic flowing ..
 
-#### Cluster-Wide PCAP Recording
-
-![Cluster-Wide PCAP Recording](https://github.com/kubeshark/assets/raw/master/png/pcap-recording.png)
-
-## Getting Started
-Download **Kubeshark**'s binary distribution [latest release](https://github.com/kubeshark/kubeshark/releases/latest) or use one of the following methods to deploy **Kubeshark**. The [web-based dashboard](https://docs.kubeshark.co/en/ui) should open in your browser, showing a real-time view of your cluster's traffic.
-
-### Homebrew
-
-[Homebrew](https://brew.sh/) :beer: users can install the Kubeshark CLI with:
-
-```shell
-brew install kubeshark
-kubeshark tap
-```
-
-To clean up:
-```shell
-kubeshark clean
-```
-
-### Helm
-
-Add the Helm repository and install the chart:
-
-```shell
-helm repo add kubeshark https://helm.kubeshark.co
-helm install kubeshark kubeshark/kubeshark
-```
-Follow the on-screen instructions how to connect to the dashboard.
-
-To clean up:
-```shell
-helm uninstall kubeshark
-```
-
-## Building From Source
-
-Clone this repository and run the `make` command to build it. After the build is complete, the executable can be found at `./bin/kubeshark`.
-
-## Documentation
-
-To learn more, read the [documentation](https://docs.kubeshark.co).
-
-## Contributing
-
-We :heart: pull requests! See [CONTRIBUTING.md](CONTRIBUTING.md) for the contribution guide.
+## Examples
+TBD

RELEASE.md.TEMPLATE

@@ -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.
-
-

api/README.md

@@ -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>

api/go.mod

@@ -0,0 +1,30 @@
+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/gopacket v1.1.19
+	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/orcaman/concurrent-map v0.0.0-20210106121528-16402b402231
+	github.com/patrickmn/go-cache v2.1.0+incompatible
+	github.com/up9inc/mizu/shared v0.0.0
+	go.mongodb.org/mongo-driver v1.5.1
+	golang.org/x/net v0.0.0-20210421230115-4e50805a0758
+	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
+)
+
+replace github.com/up9inc/mizu/shared v0.0.0 => ../shared

api/go.sum

@@ -0,0 +1,591 @@
+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=
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api/main.go

@@ -0,0 +1,147 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"github.com/gofiber/fiber/v2"
+	"github.com/gorilla/websocket"
+	"github.com/up9inc/mizu/shared"
+	"mizuserver/pkg/api"
+	"mizuserver/pkg/middleware"
+	"mizuserver/pkg/models"
+	"mizuserver/pkg/routes"
+	"mizuserver/pkg/sensitiveDataFiltering"
+	"mizuserver/pkg/tap"
+	"mizuserver/pkg/utils"
+	"os"
+	"os/signal"
+)
+
+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() {
+	flag.Parse()
+
+	if !*shouldTap && !*aggregator && !*standalone{
+		panic("One of the flags --tap, --api or --standalone must be provided")
+	}
+
+	if *standalone {
+		harOutputChannel := tap.StartPassiveTapper()
+		filteredHarChannel := make(chan *tap.OutputChannelItem)
+		go filterHarHeaders(harOutputChannel, filteredHarChannel, getTrafficFilteringOptions())
+		go api.StartReadingEntries(filteredHarChannel, nil)
+		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.HostAppAddresses = tapTargets
+			fmt.Println("Filtering for the following addresses:", tap.HostAppAddresses)
+		}
+
+		harOutputChannel := tap.StartPassiveTapper()
+		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)
+	} else if *aggregator {
+		socketHarOutChannel := make(chan *tap.OutputChannelItem, 1000)
+		filteredHarChannel := make(chan *tap.OutputChannelItem)
+		go api.StartReadingEntries(filteredHarChannel, nil)
+		go filterHarHeaders(socketHarOutChannel, filteredHarChannel, getTrafficFilteringOptions())
+		hostApi(socketHarOutChannel)
+	}
+
+	signalChan := make(chan os.Signal, 1)
+	signal.Notify(signalChan, os.Interrupt)
+	<-signalChan
+
+	fmt.Println("Exiting")
+}
+
+func hostApi(socketHarOutputChannel chan<- *tap.OutputChannelItem) {
+	app := fiber.New()
+
+
+	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.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
+}
+
+func filterHarHeaders(inChannel <- chan *tap.OutputChannelItem, outChannel chan *tap.OutputChannelItem, filterOptions *shared.TrafficFilteringOptions) {
+	for message := range inChannel {
+		sensitiveDataFiltering.FilterSensitiveInfoFromHarRequest(message, filterOptions)
+		outChannel <- message
+	}
+}
+
+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 {
+			fmt.Printf("error converting message to json %s, (%v,%+v)\n", err, err, err)
+			continue
+		}
+
+		err = connection.WriteMessage(websocket.TextMessage, marshaledData)
+		if err != nil {
+			fmt.Printf("error sending message through socket server %s, (%v,%+v)\n", err, err, err)
+			continue
+		}
+	}
+}

api/pkg/api/main.go

@@ -0,0 +1,131 @@
+package api
+
+import (
+	"bufio"
+	"context"
+	"encoding/json"
+	"fmt"
+	"github.com/google/martian/har"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"mizuserver/pkg/database"
+	"mizuserver/pkg/models"
+	"mizuserver/pkg/resolver"
+	"mizuserver/pkg/tap"
+	"mizuserver/pkg/utils"
+	"net/url"
+	"os"
+	"path"
+	"sort"
+	"time"
+)
+
+var k8sResolver *resolver.Resolver
+
+func init() {
+	errOut := make(chan error, 100)
+	res, err := resolver.NewFromInCluster(errOut)
+	if err != nil {
+		fmt.Printf("error creating k8s resolver %s", err)
+		return
+	}
+	ctx := context.Background()
+	res.Start(ctx)
+	go func() {
+		for {
+			select {
+			case err := <-errOut:
+				fmt.Printf("name resolving error %s", err)
+			}
+		}
+	}()
+
+	k8sResolver = 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)
+		sort.Sort(utils.ByModTime(dirFiles))
+
+		if len(dirFiles) == 0 {
+			fmt.Printf("Waiting for new files\n")
+			time.Sleep(3 * time.Second)
+			continue
+		}
+		fileInfo := dirFiles[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)
+			saveHarToDb(entry, fileInfo.Name())
+		}
+		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.RequestSenderIp)
+	}
+}
+
+func saveHarToDb(entry *har.Entry, sender string) {
+	entryBytes, _ := json.Marshal(entry)
+	serviceName, urlPath, serviceHostName := getServiceNameFromUrl(entry.Request.URL)
+	entryId := primitive.NewObjectID().Hex()
+	var (
+		resolvedSource      string
+		resolvedDestination string
+	)
+	if k8sResolver != nil {
+		resolvedSource = k8sResolver.Resolve(sender)
+		resolvedDestination = k8sResolver.Resolve(serviceHostName)
+	}
+	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:     sender,
+		Timestamp:           entry.StartedDateTime.UnixNano() / int64(time.Millisecond),
+		ResolvedSource:      resolvedSource,
+		ResolvedDestination: resolvedDestination,
+	}
+	database.GetEntriesTable().Create(&mizuEntry)
+
+	baseEntry := utils.GetResolvedBaseEntry(mizuEntry)
+	baseEntryBytes, _ := models.CreateBaseEntryWebSocketMessage(&baseEntry)
+	broadcastToBrowserClients(baseEntryBytes)
+}
+
+func getServiceNameFromUrl(inputUrl string) (string, string, string) {
+	parsed, err := url.Parse(inputUrl)
+	utils.CheckErr(err)
+	return fmt.Sprintf("%s://%s", parsed.Scheme, parsed.Host), parsed.Path, parsed.Host
+}

api/pkg/api/socket_server_handlers.go

@@ -0,0 +1,96 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/antoniodipinto/ikisocket"
+	"github.com/up9inc/mizu/shared"
+	"mizuserver/pkg/controllers"
+	"mizuserver/pkg/models"
+	"mizuserver/pkg/routes"
+	"mizuserver/pkg/tap"
+)
+
+var browserClientSocketUUIDs = make([]string, 0)
+
+type RoutesEventHandlers struct {
+	routes.EventHandlers
+	SocketHarOutChannel chan<- *tap.OutputChannelItem
+}
+
+
+func (h *RoutesEventHandlers) WebSocketConnect(ep *ikisocket.EventPayload) {
+	if ep.Kws.GetAttribute("is_tapper") == true {
+		fmt.Println(fmt.Sprintf("Websocket Connection event - Tapper connected: %s", ep.SocketUUID))
+	} else {
+		fmt.Println(fmt.Sprintf("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 {
+		fmt.Println(fmt.Sprintf("Disconnection event - Tapper connected: %s", ep.SocketUUID))
+	} else {
+		fmt.Println(fmt.Sprintf("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 {
+		fmt.Println(fmt.Sprintf("Websocket Close event - Tapper connected: %s", ep.SocketUUID))
+	} else {
+		fmt.Println(fmt.Sprintf("Websocket  Close event - Browser socket connected: %s", ep.SocketUUID))
+		removeSocketUUIDFromBrowserSlice(ep.SocketUUID)
+	}
+}
+
+func (h *RoutesEventHandlers) WebSocketError(ep *ikisocket.EventPayload) {
+	fmt.Println(fmt.Sprintf("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 {
+		fmt.Printf("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 {
+				fmt.Printf("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 {
+				fmt.Printf("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
+			} else {
+				controllers.TapStatus = statusMessage.TappingStatus
+				broadcastToBrowserClients(ep.Data)
+			}
+		default:
+			fmt.Printf("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
+}

api/pkg/controllers/entries_controller.go

@@ -0,0 +1,166 @@
+package controllers
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/gofiber/fiber/v2"
+	"github.com/google/martian/har"
+	"mizuserver/pkg/database"
+	"mizuserver/pkg/models"
+	"mizuserver/pkg/utils"
+	"mizuserver/pkg/validation"
+)
+
+const (
+	OrderDesc = "desc"
+	OrderAsc  = "asc"
+	LT        = "lt"
+	GT        = "gt"
+)
+
+var (
+	operatorToSymbolMapping = map[string]string{
+		LT: "<",
+		GT: ">",
+	}
+	operatorToOrderMapping = map[string]string{
+		LT: OrderDesc,
+		GT: OrderAsc,
+	}
+)
+
+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 := operatorToOrderMapping[entriesFilter.Operator]
+	operatorSymbol := 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 == OrderDesc {
+		// the entries always order from oldest to newest so we should revers
+		utils.ReverseSlice(entries)
+	}
+
+	// Convert to base entries
+	baseEntries := make([]models.BaseEntryDetails, 0, entriesFilter.Limit)
+	for _, entry := range entries {
+		baseEntries = append(baseEntries, utils.GetResolvedBaseEntry(entry))
+	}
+
+	return c.Status(fiber.StatusOK).JSON(baseEntries)
+}
+
+func GetHARs(c *fiber.Ctx) error {
+	entriesFilter := &models.HarFetchRequestBody{}
+	order := 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 entries []models.MizuEntry
+	database.GetEntriesTable().
+		Order(fmt.Sprintf("timestamp %s", order)).
+		// Where(fmt.Sprintf("timestamp %s %v", operatorSymbol, entriesFilter.Timestamp)).
+		Limit(1000).
+		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)
+
+		sourceOfEntry := entryData.ResolvedSource
+		fileName := fmt.Sprintf("%s.har", sourceOfEntry)
+		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",
+						},
+						Source: sourceOfEntry,
+					},
+					Entries: entriesHar,
+				},
+			}
+		}
+	}
+
+	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 GetEntry(c *fiber.Ctx) error {
+	var entryData models.EntryData
+	database.GetEntriesTable().
+		Select("entry", "resolvedDestination").
+		Where(map[string]string{"entryId": c.Params("entryId")}).
+		First(&entryData)
+
+	var fullEntry har.Entry
+	unmarshallErr := json.Unmarshal([]byte(entryData.Entry), &fullEntry)
+	utils.CheckErr(unmarshallErr)
+
+	if entryData.ResolvedDestination != "" {
+		fullEntry.Request.URL = utils.SetHostname(fullEntry.Request.URL, entryData.ResolvedDestination)
+	}
+
+	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)
+}

api/pkg/controllers/status_controller.go

@@ -0,0 +1,12 @@
+package controllers
+
+import (
+	"github.com/gofiber/fiber/v2"
+	"github.com/up9inc/mizu/shared"
+)
+
+var TapStatus shared.TapStatus
+
+func GetTappingStatus(c *fiber.Ctx) error {
+	return c.Status(fiber.StatusOK).JSON(TapStatus)
+}

api/pkg/database/main.go

@@ -0,0 +1,25 @@
+package database
+
+import (
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"mizuserver/pkg/models"
+)
+
+const (
+	DBPath = "./entries.db"
+)
+
+var (
+	DB = initDataBase(DBPath)
+)
+
+func GetEntriesTable() *gorm.DB {
+	return DB.Table("mizu_entries")
+}
+
+func initDataBase(databasePath string) *gorm.DB {
+	temp, _ := gorm.Open(sqlite.Open(databasePath), &gorm.Config{})
+	_ = temp.AutoMigrate(&models.MizuEntry{}) // this will ensure table is created
+	return temp
+}

api/pkg/middleware/fiber_middleware.go

@@ -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(),
+	)
+}

api/pkg/models/models.go

@@ -0,0 +1,104 @@
+package models
+
+import (
+	"encoding/json"
+	"github.com/google/martian/har"
+	"github.com/up9inc/mizu/shared"
+	"mizuserver/pkg/tap"
+	"time"
+)
+
+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"`
+}
+
+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"`
+}
+
+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 HarFetchRequestBody struct {
+	Limit     int    `query:"limit"`
+}
+
+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"`
+}

api/pkg/resolver/README.md

@@ -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.
+
+

api/pkg/resolver/go.sum

@@ -0,0 +1,524 @@
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api/pkg/resolver/loader.go

@@ -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), 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), 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), errOut: errOut}
+}

api/pkg/resolver/resolver.go

@@ -0,0 +1,169 @@
+package resolver
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	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
+	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) 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)
+			}
+			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)
+		// fmt.Printf("setting %s=nil\n", key)
+	} else {
+		resolver.nameMap[key] = resolved
+		// fmt.Printf("setting %s=%s\n", 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 {
+					fmt.Printf("Resolver loop encountered permission error, aborting event listening - %v\n", err)
+					return
+				}
+			}
+		}
+		if ctx.Err() != nil { // context was cancelled or errored
+			return
+		}
+	}
+}
+

api/pkg/routes/not_found_route.go

@@ -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",
+			})
+		},
+	)
+}

api/pkg/routes/public_routes.go

@@ -0,0 +1,20 @@
+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("/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
+}

api/pkg/routes/socket_routes.go

@@ -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
+}

api/pkg/sensitiveDataFiltering/consts.go

@@ -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"}

api/pkg/sensitiveDataFiltering/messageSensitiveDataCleaner.go

@@ -0,0 +1,191 @@
+package sensitiveDataFiltering
+
+import (
+	"encoding/json"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"mizuserver/pkg/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) {
+	filterHarHeaders(harOutputItem.HarEntry.Request.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) {
+	for i, header := range headers {
+		if isFieldNameSensitive(header.Name) {
+			headers[i].Value = maskedFieldPlaceholderValue
+		}
+	}
+}
+
+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()
+	}
+}

api/pkg/tap/cleaner.go

@@ -0,0 +1,69 @@
+package tap
+
+import (
+	"sync"
+	"time"
+
+	"github.com/google/gopacket/reassembly"
+)
+
+type CleanerStats struct {
+	flushed int
+	closed  int
+	deleted int
+}
+
+type Cleaner struct {
+	assembler         *reassembly.Assembler
+	assemblerMutex    *sync.Mutex
+	matcher           *requestResponseMatcher
+	cleanPeriod       time.Duration
+	connectionTimeout time.Duration
+	stats             CleanerStats
+	statsMutex	  sync.Mutex
+}
+
+func (cl *Cleaner) clean() {
+	startCleanTime := time.Now()
+
+	cl.assemblerMutex.Lock()
+	flushed, closed := cl.assembler.FlushCloseOlderThan(startCleanTime.Add(-cl.connectionTimeout))
+	cl.assemblerMutex.Unlock()
+
+	deleted := cl.matcher.deleteOlderThan(startCleanTime.Add(-cl.connectionTimeout))
+
+	cl.statsMutex.Lock()
+	cl.stats.flushed += flushed
+	cl.stats.closed += closed
+	cl.stats.deleted += deleted
+	cl.statsMutex.Unlock()
+}
+
+func (cl *Cleaner) start() {
+	go func() {
+		ticker := time.NewTicker(cl.cleanPeriod)
+
+		for true {
+			<-ticker.C
+			cl.clean()
+		}
+	}()
+}
+
+func (cl *Cleaner) dumpStats() CleanerStats {
+	cl.statsMutex.Lock()
+
+	stats := CleanerStats{
+		flushed: cl.stats.flushed,
+		closed : cl.stats.closed,
+		deleted: cl.stats.deleted,
+	}
+
+	cl.stats.flushed = 0
+	cl.stats.closed = 0
+	cl.stats.deleted = 0
+
+	cl.statsMutex.Unlock()
+
+	return stats
+}

api/pkg/tap/grpc_assembler.go

@@ -0,0 +1,241 @@
+package tap
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/base64"
+	"encoding/binary"
+	"errors"
+	"io"
+	"math"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/hpack"
+)
+
+const frameHeaderLen = 9
+var clientPreface = []byte(http2.ClientPreface)
+const initialHeaderTableSize = 4096
+const protoHTTP2 = "HTTP/2.0"
+const protoMajorHTTP2 = 2
+const protoMinorHTTP2 = 0
+
+var maxHTTP2DataLen int = maxHTTP2DataLenDefault // value initialized during init
+
+type messageFragment struct {
+	headers []hpack.HeaderField
+	data []byte
+}
+
+type fragmentsByStream map[uint32]*messageFragment
+
+func (fbs *fragmentsByStream) appendFrame(streamID uint32, frame http2.Frame) {
+	switch frame := frame.(type) {
+	case *http2.MetaHeadersFrame:
+		if existingFragment, ok := (*fbs)[streamID]; ok {
+			existingFragment.headers = append(existingFragment.headers, frame.Fields...)
+		} else {
+			// new fragment
+			(*fbs)[streamID] = &messageFragment{headers: frame.Fields}
+		}
+	case *http2.DataFrame:
+		newDataLen := len(frame.Data())
+		if existingFragment, ok := (*fbs)[streamID]; ok {
+			existingDataLen := len(existingFragment.data)
+			// Never save more than maxHTTP2DataLen bytes
+			numBytesToAppend := int(math.Min(float64(maxHTTP2DataLen - existingDataLen), float64(newDataLen)))
+
+			existingFragment.data = append(existingFragment.data, frame.Data()[:numBytesToAppend]...)
+		} else {
+			// new fragment
+			// In principle, should not happen with DATA frames, because they are always preceded by HEADERS
+
+			// Never save more than maxHTTP2DataLen bytes
+			numBytesToAppend := int(math.Min(float64(maxHTTP2DataLen), float64(newDataLen)))
+
+			(*fbs)[streamID] = &messageFragment{data: frame.Data()[:numBytesToAppend]}
+		}
+	}
+}
+
+func (fbs *fragmentsByStream) pop(streamID uint32) ([]hpack.HeaderField, []byte) {
+	headers := (*fbs)[streamID].headers
+	data := (*fbs)[streamID].data
+	delete(*fbs, streamID)
+
+	return headers, data
+}
+
+func createGrpcAssembler(b *bufio.Reader) GrpcAssembler {
+	var framerOutput bytes.Buffer
+	framer := http2.NewFramer(&framerOutput, b)
+	framer.ReadMetaHeaders = hpack.NewDecoder(initialHeaderTableSize, nil)
+	return GrpcAssembler{
+		fragmentsByStream: make(fragmentsByStream),
+		framer: framer,
+	}
+}
+
+type GrpcAssembler struct {
+	fragmentsByStream fragmentsByStream
+	framer *http2.Framer
+}
+
+func (ga *GrpcAssembler) readMessage() (uint32, interface{}, string, error) {
+	// Exactly one Framer is used for each half connection.
+	// (Instead of creating a new Framer for each ReadFrame operation)
+	// This is needed in order to decompress the headers,
+	// because the compression context is updated with each requests/response.
+	frame, err := ga.framer.ReadFrame()
+	if err != nil {
+		return 0, nil, "", err
+	}
+
+	streamID := frame.Header().StreamID
+
+	ga.fragmentsByStream.appendFrame(streamID, frame)
+
+	if !(ga.isStreamEnd(frame)) {
+		return 0, nil, "", nil
+	}
+
+	headers, data := ga.fragmentsByStream.pop(streamID)
+
+	// Note: header keys are converted by http.Header.Set to canonical names, e.g. content-type -> Content-Type.
+	// By converting the keys we violate the HTTP/2 specification, which state that all headers must be lowercase.
+	headersHTTP1 := make(http.Header)
+	for _, header := range headers {
+		headersHTTP1.Add(header.Name, header.Value)
+	}
+	dataString := base64.StdEncoding.EncodeToString(data)
+
+	// Use http1 types only because they are expected in http_matcher.
+	// TODO: Create an interface that will be used by http_matcher:registerRequest and http_matcher:registerRequest
+	//       to accept both HTTP/1.x and HTTP/2 requests and responses
+	var messageHTTP1 interface{}
+	if _, ok := headersHTTP1[":method"]; ok {
+		messageHTTP1 = http.Request{
+			URL: &url.URL{},
+			Method: "POST",
+			Header: headersHTTP1,
+			Proto: protoHTTP2,
+			ProtoMajor: protoMajorHTTP2,
+			ProtoMinor: protoMinorHTTP2,
+			Body: io.NopCloser(strings.NewReader(dataString)),
+			ContentLength: int64(len(dataString)),
+		}
+	} else if _, ok := headersHTTP1[":status"]; ok {
+		messageHTTP1 = http.Response{
+			Header: headersHTTP1,
+			Proto: protoHTTP2,
+			ProtoMajor: protoMajorHTTP2,
+			ProtoMinor: protoMinorHTTP2,
+			Body: io.NopCloser(strings.NewReader(dataString)),
+			ContentLength: int64(len(dataString)),
+		}
+	} else {
+		return 0, nil, "", errors.New("Failed to assemble stream: neither a request nor a message")
+	}
+
+	return streamID, messageHTTP1, dataString, nil
+}
+
+func (ga *GrpcAssembler) isStreamEnd(frame http2.Frame) bool {
+	switch frame := frame.(type) {
+	case *http2.MetaHeadersFrame:
+		if frame.StreamEnded() {
+			return true
+		}
+	case *http2.DataFrame:
+		if frame.StreamEnded() {
+			return true
+		}
+	}
+
+	return false
+}
+
+/* Check if HTTP/2. Remove HTTP/2 client preface from start of buffer if present
+ */
+func checkIsHTTP2Connection(b *bufio.Reader, isClient bool) (bool, error) {
+	if isClient {
+		return checkIsHTTP2ClientStream(b)
+	}
+
+	return checkIsHTTP2ServerStream(b)
+}
+
+func prepareHTTP2Connection(b *bufio.Reader, isClient bool) error {
+	if !isClient {
+		return nil
+	}
+
+	return discardClientPreface(b)
+}
+
+func checkIsHTTP2ClientStream(b *bufio.Reader) (bool, error) {
+	return checkClientPreface(b)
+}
+
+func checkIsHTTP2ServerStream(b *bufio.Reader) (bool, error) {
+	buf, err := b.Peek(frameHeaderLen)
+	if err != nil {
+		return false, err
+	}
+
+	// If response starts with this text, it is HTTP/1.x
+	if bytes.Compare(buf, []byte("HTTP/1.0 ")) == 0 || bytes.Compare(buf, []byte("HTTP/1.1 ")) == 0 {
+		return false, nil
+	}
+
+	// Check server connection preface (a settings frame)
+	frameHeader := http2.FrameHeader{
+		Length:   uint32(buf[0])<<16 | uint32(buf[1])<<8 | uint32(buf[2]),
+		Type:     http2.FrameType(buf[3]),
+		Flags:    http2.Flags(buf[4]),
+		StreamID: binary.BigEndian.Uint32(buf[5:]) & (1<<31 - 1),
+	}
+
+	if frameHeader.Type != http2.FrameSettings {
+		// If HTTP/2, but not start of stream, will also fulfill this condition.
+		return false, nil
+	}
+
+	return true, nil
+}
+
+func checkClientPreface(b *bufio.Reader) (bool, error) {
+	bytesStart, err := b.Peek(len(clientPreface))
+	if err != nil {
+		return false, err
+	} else if len(bytesStart) != len(clientPreface) {
+		return false, errors.New("checkClientPreface: not enough bytes read")
+	}
+
+	if !bytes.Equal(bytesStart, clientPreface) {
+		return false, nil
+	}
+
+	return true, nil
+}
+
+func discardClientPreface(b *bufio.Reader) error {
+	if isClientPrefacePresent, err := checkClientPreface(b); err != nil {
+		return err
+	} else if !isClientPrefacePresent{
+		return errors.New("discardClientPreface: does not begin with client preface")
+	}
+
+	// Remove client preface string from the buffer
+	n, err := b.Discard(len(clientPreface))
+	if err != nil {
+		return err
+	} else if n != len(clientPreface) {
+		return errors.New("discardClientPreface: failed to discard client preface")
+	}
+
+	return nil
+}

api/pkg/tap/har_writer.go

@@ -0,0 +1,252 @@
+package tap
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/google/martian/har"
+)
+
+const readPermission = 0644
+const tempFilenamePrefix = "har_writer"
+
+type PairChanItem struct {
+	Request         *http.Request
+	RequestTime     time.Time
+	Response        *http.Response
+	ResponseTime    time.Time
+	RequestSenderIp string
+}
+
+func openNewHarFile(filename string) *HarFile {
+	file, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, readPermission)
+	if err != nil {
+		panic(fmt.Sprintf("Failed to open output file: %s (%v,%+v)", err, err, err))
+	}
+
+	harFile := HarFile{file: file, entryCount: 0}
+	harFile.writeHeader()
+
+	return &harFile
+}
+
+type HarFile struct {
+	file *os.File
+	entryCount int
+}
+
+func NewEntry(request *http.Request, requestTime time.Time, response *http.Response, responseTime time.Time) (*har.Entry, error) {
+	harRequest, err := har.NewRequest(request, true)
+	if err != nil {
+		SilentError("convert-request-to-har", "Failed converting request to HAR %s (%v,%+v)\n", err, err, err)
+		return nil, errors.New("Failed converting request to HAR")
+	}
+
+	harResponse, err := har.NewResponse(response, true)
+	if err != nil {
+		SilentError("convert-response-to-har", "Failed converting response to HAR %s (%v,%+v)\n", err, err, err)
+		return nil, errors.New("Failed converting response to HAR")
+	}
+
+	if harRequest.PostData != nil && strings.HasPrefix(harRequest.PostData.MimeType, "application/grpc") {
+		// Force HTTP/2 gRPC into HAR template
+
+		harRequest.URL = fmt.Sprintf("%s://%s%s", request.Header.Get(":scheme"), request.Header.Get(":authority"), request.Header.Get(":path"))
+
+		status, err := strconv.Atoi(response.Header.Get(":status"))
+		if err != nil {
+			SilentError("convert-response-status-for-har", "Failed converting status to int %s (%v,%+v)\n", err, err, err)
+			return nil, errors.New("Failed converting response status to int for HAR")
+		}
+		harResponse.Status = status
+	} else {
+		// Martian copies http.Request.URL.String() to har.Request.URL, which usually contains the path.
+		// However, according to the HAR spec, the URL field needs to be the absolute URL.
+		var scheme string
+		if request.URL.Scheme != "" {
+			scheme = request.URL.Scheme
+		} else {
+			scheme = "http"
+		}
+		harRequest.URL = fmt.Sprintf("%s://%s%s", scheme, request.Host, request.URL)
+	}
+
+	totalTime := responseTime.Sub(requestTime).Round(time.Millisecond).Milliseconds()
+	if totalTime < 1 {
+		totalTime = 1
+	}
+
+	harEntry := har.Entry{
+		StartedDateTime: time.Now().UTC(),
+		Time: totalTime,
+		Request: harRequest,
+		Response: harResponse,
+		Cache: &har.Cache{},
+		Timings: &har.Timings{
+			Send: -1,
+			Wait: -1,
+			Receive: totalTime,
+		},
+	}
+
+	return &harEntry, nil
+}
+
+func (f *HarFile) WriteEntry(harEntry *har.Entry) {
+	harEntryJson, err := json.Marshal(harEntry)
+	if err != nil {
+		SilentError("har-entry-marshal", "Failed converting har entry object to JSON%s (%v,%+v)\n", err, err, err)
+		return
+	}
+
+	var separator string
+	if f.GetEntryCount() > 0 {
+		separator = ","
+	} else {
+		separator = ""
+	}
+
+	harEntryString := append([]byte(separator), harEntryJson...)
+
+	if _, err := f.file.Write(harEntryString); err != nil {
+		panic(fmt.Sprintf("Failed to write to output file: %s (%v,%+v)", err, err, err))
+	}
+
+	f.entryCount++
+}
+
+func (f *HarFile) GetEntryCount() int {
+	return f.entryCount
+}
+
+func (f *HarFile) Close() {
+	f.writeTrailer()
+
+	err := f.file.Close()
+	if err != nil {
+		panic(fmt.Sprintf("Failed to close output file: %s (%v,%+v)", err, err, err))
+	}
+}
+
+func (f*HarFile) writeHeader() {
+	header := []byte(`{"log": {"version": "1.2", "creator": {"name": "Mizu", "version": "0.0.1"}, "entries": [`)
+	if _, err := f.file.Write(header); err != nil {
+		panic(fmt.Sprintf("Failed to write header to output file: %s (%v,%+v)", err, err, err))
+	}
+}
+
+func (f*HarFile) writeTrailer() {
+	trailer := []byte("]}}")
+	if _, err := f.file.Write(trailer); err != nil {
+		panic(fmt.Sprintf("Failed to write trailer to output file: %s (%v,%+v)", err, err, err))
+	}
+}
+
+func NewHarWriter(outputDir string, maxEntries int) *HarWriter {
+	return &HarWriter{
+		OutputDirPath: outputDir,
+		MaxEntries: maxEntries,
+		PairChan: make(chan *PairChanItem),
+		OutChan: make(chan *OutputChannelItem, 1000),
+		currentFile: nil,
+		done: make(chan bool),
+	}
+}
+
+type OutputChannelItem struct {
+	HarEntry        *har.Entry
+	RequestSenderIp string
+}
+
+type HarWriter struct {
+	OutputDirPath string
+	MaxEntries int
+	PairChan chan *PairChanItem
+	OutChan chan *OutputChannelItem
+	currentFile *HarFile
+	done chan bool
+}
+
+func (hw *HarWriter) WritePair(request *http.Request, requestTime time.Time, response *http.Response, responseTime time.Time, requestSenderIp string) {
+	hw.PairChan <- &PairChanItem{
+		Request:         request,
+		RequestTime:     requestTime,
+		Response:        response,
+		ResponseTime:    responseTime,
+		RequestSenderIp: requestSenderIp,
+	}
+}
+
+func (hw *HarWriter) Start() {
+	if hw.OutputDirPath != "" {
+		if err := os.MkdirAll(hw.OutputDirPath, os.ModePerm); err != nil {
+			panic(fmt.Sprintf("Failed to create output directory: %s (%v,%+v)", err, err, err))
+		}
+	}
+
+	go func() {
+		for pair := range hw.PairChan {
+			harEntry, err := NewEntry(pair.Request, pair.RequestTime, pair.Response, pair.ResponseTime)
+			if err != nil {
+				continue
+			}
+
+			if hw.OutputDirPath != "" {
+				if hw.currentFile == nil {
+					hw.openNewFile()
+				}
+
+				hw.currentFile.WriteEntry(harEntry)
+
+				if hw.currentFile.GetEntryCount() >= hw.MaxEntries {
+					hw.closeFile()
+				}
+			} else {
+				hw.OutChan <- &OutputChannelItem{
+					HarEntry:        harEntry,
+					RequestSenderIp: pair.RequestSenderIp,
+				}
+			}
+		}
+
+		if hw.currentFile != nil {
+			hw.closeFile()
+		}
+		hw.done <- true
+	} ()
+}
+
+func (hw *HarWriter) Stop() {
+	close(hw.PairChan)
+	<-hw.done
+}
+
+func (hw *HarWriter) openNewFile() {
+	filename := filepath.Join(os.TempDir(), fmt.Sprintf("%s_%d", tempFilenamePrefix, time.Now().UnixNano()))
+	hw.currentFile = openNewHarFile(filename)
+}
+
+func (hw *HarWriter) closeFile() {
+	hw.currentFile.Close()
+	tmpFilename := hw.currentFile.file.Name()
+	hw.currentFile = nil
+
+	filename := buildFilename(hw.OutputDirPath, time.Now())
+	err := os.Rename(tmpFilename, filename)
+	if err != nil {
+		SilentError("Rename-file", "cannot rename file: %s (%v,%+v)\n", err, err, err)
+	}
+}
+
+func buildFilename(dir string, t time.Time) string {
+	// (epoch time in nanoseconds)__(YYYY_Month_DD__hh-mm-ss).har
+	filename := fmt.Sprintf("%d__%s.har", t.UnixNano(), t.Format("2006_Jan_02__15-04-05"))
+	return filepath.Join(dir, filename)
+}

api/pkg/tap/http_matcher.go

@@ -0,0 +1,209 @@
+package tap
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/orcaman/concurrent-map"
+)
+
+type requestResponsePair struct {
+	Request  httpMessage `json:"request"`
+	Response httpMessage `json:"response"`
+}
+
+type envoyMessageWrapper struct {
+	HttpBufferedTrace requestResponsePair `json:"http_buffered_trace"`
+}
+
+type headerKeyVal struct {
+	Key   string `json:"key"`
+	Value string `json:"value"`
+}
+
+type messageBody struct {
+	Truncated bool   `json:"truncated"`
+	AsBytes   string `json:"as_bytes"`
+}
+
+type httpMessage struct {
+	IsRequest       bool
+	Headers         []headerKeyVal `json:"headers"`
+	HTTPVersion     string         `json:"httpVersion"`
+	Body            messageBody    `json:"body"`
+	captureTime     time.Time
+	orig            interface {}
+	requestSenderIp string
+}
+
+
+// Key is {client_addr}:{client_port}->{dest_addr}:{dest_port}
+type requestResponseMatcher struct {
+	openMessagesMap cmap.ConcurrentMap
+
+}
+
+func createResponseRequestMatcher() requestResponseMatcher {
+	newMatcher := &requestResponseMatcher{openMessagesMap: cmap.New()}
+	return *newMatcher
+}
+
+func (matcher *requestResponseMatcher) registerRequest(ident string, request *http.Request, captureTime time.Time, body string, isHTTP2 bool) *envoyMessageWrapper {
+	split := splitIdent(ident)
+	key := genKey(split)
+
+	messageExtraHeaders := []headerKeyVal{
+		{Key: "x-up9-source", Value: split[0]},
+		{Key: "x-up9-destination", Value: split[1] + ":" + split[3]},
+	}
+
+	requestHTTPMessage := requestToMessage(request, captureTime, body, &messageExtraHeaders, isHTTP2, split[0])
+
+	if response, found := matcher.openMessagesMap.Pop(key); found {
+		// Type assertion always succeeds because all of the map's values are of httpMessage type
+		responseHTTPMessage := response.(*httpMessage)
+		if responseHTTPMessage.IsRequest {
+			SilentError("Request-Duplicate", "Got duplicate request with same identifier\n")
+			return nil
+		}
+		Debug("Matched open Response for %s\n", key)
+		return matcher.preparePair(&requestHTTPMessage, responseHTTPMessage)
+	}
+
+	matcher.openMessagesMap.Set(key, &requestHTTPMessage)
+	Debug("Registered open Request for %s\n", key)
+	return nil
+}
+
+func (matcher *requestResponseMatcher) registerResponse(ident string, response *http.Response, captureTime time.Time, body string, isHTTP2 bool) *envoyMessageWrapper {
+	split := splitIdent(ident)
+	key := genKey(split)
+
+	responseHTTPMessage := responseToMessage(response, captureTime, body, isHTTP2)
+
+	if request, found := matcher.openMessagesMap.Pop(key); found {
+		// Type assertion always succeeds because all of the map's values are of httpMessage type
+		requestHTTPMessage := request.(*httpMessage)
+		if !requestHTTPMessage.IsRequest {
+			SilentError("Response-Duplicate", "Got duplicate response with same identifier\n")
+			return nil
+		}
+		Debug("Matched open Request for %s\n", key)
+		return matcher.preparePair(requestHTTPMessage, &responseHTTPMessage)
+	}
+
+	matcher.openMessagesMap.Set(key, &responseHTTPMessage)
+	Debug("Registered open Response for %s\n", key)
+	return nil
+}
+
+func (matcher *requestResponseMatcher) preparePair(requestHTTPMessage *httpMessage, responseHTTPMessage *httpMessage) *envoyMessageWrapper {
+	matcher.addDuration(requestHTTPMessage, responseHTTPMessage)
+
+	return &envoyMessageWrapper{
+		HttpBufferedTrace: requestResponsePair{
+			Request:  *requestHTTPMessage,
+			Response: *responseHTTPMessage,
+		},
+	}
+}
+
+func requestToMessage(request *http.Request, captureTime time.Time, body string, messageExtraHeaders *[]headerKeyVal, isHTTP2 bool, requestSenderIp string) httpMessage {
+	messageHeaders := make([]headerKeyVal, 0)
+
+	for key, value := range request.Header {
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: key, Value: value[0]})
+	}
+
+	if !isHTTP2 {
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: ":method", Value: request.Method})
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: ":path", Value: request.RequestURI})
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: ":authority", Value: request.Host})
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: ":scheme", Value: "http"})
+	}
+
+	messageHeaders = append(messageHeaders, headerKeyVal{Key: "x-request-start", Value: fmt.Sprintf("%.3f", float64(captureTime.UnixNano()) / float64(1000000000))})
+
+	messageHeaders = append(messageHeaders, *messageExtraHeaders...)
+
+	httpVersion := request.Proto
+
+	requestBody := messageBody{Truncated: false, AsBytes: body}
+
+	return httpMessage{
+		IsRequest:       true,
+		Headers:         messageHeaders,
+		HTTPVersion:     httpVersion,
+		Body:            requestBody,
+		captureTime:     captureTime,
+		orig:            request,
+		requestSenderIp: requestSenderIp,
+	}
+}
+
+func responseToMessage(response *http.Response, captureTime time.Time, body string, isHTTP2 bool) httpMessage {
+	messageHeaders := make([]headerKeyVal, 0)
+
+	for key, value := range response.Header {
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: key, Value: value[0]})
+	}
+
+	if !isHTTP2 {
+		messageHeaders = append(messageHeaders, headerKeyVal{Key: ":status", Value: strconv.Itoa(response.StatusCode)})
+	}
+
+	httpVersion := response.Proto
+
+	requestBody := messageBody{Truncated: false, AsBytes: body}
+
+	return httpMessage{
+		IsRequest:   false,
+		Headers:     messageHeaders,
+		HTTPVersion: httpVersion,
+		Body:        requestBody,
+		captureTime: captureTime,
+		orig:        response,
+	}
+}
+
+func (matcher *requestResponseMatcher) addDuration(requestHTTPMessage *httpMessage, responseHTTPMessage *httpMessage) {
+	durationMs := float64(responseHTTPMessage.captureTime.UnixNano() / 1000000) - float64(requestHTTPMessage.captureTime.UnixNano() / 1000000)
+	if durationMs < 1 {
+		durationMs = 1
+	}
+
+	responseHTTPMessage.Headers  = append(responseHTTPMessage.Headers, headerKeyVal{Key: "x-up9-duration-ms", Value: fmt.Sprintf("%.0f", durationMs)})
+}
+
+func splitIdent(ident string) []string {
+	ident = strings.Replace(ident, "->", " ", -1)
+	return strings.Split(ident, " ")
+}
+
+func genKey(split []string) string {
+	key := fmt.Sprintf("%s:%s->%s:%s,%s", split[0], split[2], split[1], split[3], split[4])
+	return key
+}
+
+func (matcher *requestResponseMatcher) deleteOlderThan(t time.Time) int {
+	keysToPop := make([]string, 0)
+	for item := range matcher.openMessagesMap.IterBuffered() {
+		// Map only contains values of type httpMessage
+		message, _ := item.Val.(*httpMessage)
+
+		if message.captureTime.Before(t) {
+			keysToPop = append(keysToPop, item.Key)
+		}
+	}
+
+	numDeleted := len(keysToPop)
+	
+	for _, key := range keysToPop {
+		_, _ = matcher.openMessagesMap.Pop(key)
+	}
+
+	return numDeleted
+}

api/pkg/tap/http_reader.go

@@ -0,0 +1,294 @@
+package tap
+
+import (
+	"bufio"
+	"bytes"
+	"compress/gzip"
+	b64 "encoding/base64"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"sync"
+	"time"
+)
+
+type httpReaderDataMsg struct {
+	bytes     []byte
+	timestamp time.Time
+}
+
+type tcpID struct {
+	srcIP string
+	dstIP string
+	srcPort string
+	dstPort string
+}
+
+func (tid *tcpID) String() string {
+	return fmt.Sprintf("%s->%s %s->%s", tid.srcIP, tid.dstIP, tid.srcPort, tid.dstPort)
+}
+
+/* httpReader gets reads from a channel of bytes of tcp payload, and parses it into HTTP/1 requests and responses.
+ * The payload is written to the channel by a tcpStream object that is dedicated to one tcp connection.
+ * An httpReader object is unidirectional: it parses either a client stream or a server stream.
+ * Implements io.Reader interface (Read)
+ */
+type httpReader struct {
+	ident         string
+	tcpID         tcpID
+	isClient      bool
+	isHTTP2       bool
+	msgQueue      chan httpReaderDataMsg // Channel of captured reassembled tcp payload
+	data          []byte
+	captureTime   time.Time
+	hexdump       bool
+	parent        *tcpStream
+	grpcAssembler GrpcAssembler
+	messageCount  uint
+	harWriter     *HarWriter
+}
+
+func (h *httpReader) Read(p []byte) (int, error) {
+	var msg httpReaderDataMsg
+	ok := true
+	for ok && len(h.data) == 0 {
+		msg, ok = <-h.msgQueue
+		h.data = msg.bytes
+		h.captureTime = msg.timestamp
+	}
+	if !ok || len(h.data) == 0 {
+		return 0, io.EOF
+	}
+
+	l := copy(p, h.data)
+	h.data = h.data[l:]
+	return l, nil
+}
+
+func (h *httpReader) run(wg *sync.WaitGroup) {
+	defer wg.Done()
+	b := bufio.NewReader(h)
+
+	if isHTTP2, err := checkIsHTTP2Connection(b, h.isClient); err != nil {
+		SilentError("HTTP/2-Prepare-Connection", "stream %s Failed to check if client is HTTP/2: %s (%v,%+v)\n", h.ident, err, err, err)
+		// Do something?
+	} else {
+		h.isHTTP2 = isHTTP2
+	}
+
+	if h.isHTTP2 {
+		err := prepareHTTP2Connection(b, h.isClient)
+		if err != nil {
+			SilentError("HTTP/2-Prepare-Connection-After-Check", "stream %s error: %s (%v,%+v)\n", h.ident, err, err, err)
+		}
+		h.grpcAssembler = createGrpcAssembler(b)
+	}
+
+	for true {
+		if h.isHTTP2 {
+			err := h.handleHTTP2Stream()
+			if err == io.EOF || err == io.ErrUnexpectedEOF {
+				break
+			} else if err != nil {
+				SilentError("HTTP/2", "stream %s error: %s (%v,%+v)\n", h.ident, err, err, err)
+				continue
+			}
+		} else if h.isClient {
+			err := h.handleHTTP1ClientStream(b)
+			if err == io.EOF || err == io.ErrUnexpectedEOF {
+				break
+			} else if err != nil {
+				SilentError("HTTP-request", "stream %s Request error: %s (%v,%+v)\n", h.ident, err, err, err)
+				continue
+			}
+		} else {
+			err := h.handleHTTP1ServerStream(b)
+			if err == io.EOF || err == io.ErrUnexpectedEOF {
+				break
+			} else if err != nil {
+				SilentError("HTTP-response", "stream %s Response error: %s (%v,%+v)\n", h.ident, err, err, err)
+				continue
+			}
+		}
+	}
+}
+
+func (h *httpReader) handleHTTP2Stream() error {
+	streamID, messageHTTP1, body, err := h.grpcAssembler.readMessage()
+	h.messageCount++
+	if err != nil {
+		return err
+	}
+
+	var reqResPair *envoyMessageWrapper
+
+	switch messageHTTP1 := messageHTTP1.(type) {
+	case http.Request:
+		ident := fmt.Sprintf("%s->%s %s->%s %d", h.tcpID.srcIP, h.tcpID.dstIP, h.tcpID.srcPort, h.tcpID.dstPort, streamID)
+		reqResPair = reqResMatcher.registerRequest(ident, &messageHTTP1, h.captureTime, body, true)
+	case http.Response:
+		ident := fmt.Sprintf("%s->%s %s->%s %d", h.tcpID.dstIP, h.tcpID.srcIP, h.tcpID.dstPort, h.tcpID.srcPort, streamID)
+		reqResPair = reqResMatcher.registerResponse(ident, &messageHTTP1, h.captureTime, body, true)
+	}
+
+	if reqResPair != nil {
+		if h.harWriter != nil {
+			h.harWriter.WritePair(
+				reqResPair.HttpBufferedTrace.Request.orig.(*http.Request),
+				reqResPair.HttpBufferedTrace.Request.captureTime,
+				reqResPair.HttpBufferedTrace.Response.orig.(*http.Response),
+				reqResPair.HttpBufferedTrace.Response.captureTime,
+				reqResPair.HttpBufferedTrace.Request.requestSenderIp,
+			)
+		} else {
+			jsonStr, err := json.Marshal(reqResPair)
+			if err != nil {
+				return err
+			}
+			broadcastReqResPair(jsonStr)
+		}
+	}
+
+	return nil
+}
+
+func (h *httpReader) handleHTTP1ClientStream(b *bufio.Reader) error {
+	req, err := http.ReadRequest(b)
+	h.messageCount++
+	if err != nil {
+		return err
+	}
+	body, err := ioutil.ReadAll(req.Body)
+	req.Body = io.NopCloser(bytes.NewBuffer(body)) // rewind
+	s := len(body)
+	if err != nil {
+		SilentError("HTTP-request-body", "stream %s Got body err: %s\n", h.ident, err)
+	} else if h.hexdump {
+		Info("Body(%d/0x%x)\n%s\n", len(body), len(body), hex.Dump(body))
+	}
+	if err := req.Body.Close(); err != nil {
+		SilentError("HTTP-request-body-close", "stream %s Failed to close request body: %s\n", h.ident, err)
+	}
+	encoding := req.Header["Content-Encoding"]
+	bodyStr, err := readBody(body, encoding)
+	if err != nil {
+		SilentError("HTTP-request-body-decode", "stream %s Failed to decode body: %s\n", h.ident, err)
+	}
+	Info("HTTP/%s Request: %s %s (Body:%d)\n", h.ident, req.Method, req.URL, s)
+
+	ident := fmt.Sprintf("%s->%s %s->%s %d", h.tcpID.srcIP, h.tcpID.dstIP, h.tcpID.srcPort, h.tcpID.dstPort, h.messageCount)
+	reqResPair := reqResMatcher.registerRequest(ident, req, h.captureTime, bodyStr, false)
+	if reqResPair != nil {
+		if h.harWriter != nil {
+			h.harWriter.WritePair(
+				reqResPair.HttpBufferedTrace.Request.orig.(*http.Request),
+				reqResPair.HttpBufferedTrace.Request.captureTime,
+				reqResPair.HttpBufferedTrace.Response.orig.(*http.Response),
+				reqResPair.HttpBufferedTrace.Response.captureTime,
+				reqResPair.HttpBufferedTrace.Request.requestSenderIp,
+			)
+		} else {
+			jsonStr, err := json.Marshal(reqResPair)
+			if err != nil {
+				SilentError("HTTP-marshal", "stream %s Error convert request response to json: %s\n", h.ident, err)
+			}
+			broadcastReqResPair(jsonStr)
+		}
+	}
+
+	h.parent.Lock()
+	h.parent.urls = append(h.parent.urls, req.URL.String())
+	h.parent.Unlock()
+
+	return nil
+}
+
+func (h *httpReader) handleHTTP1ServerStream(b *bufio.Reader) error {
+	res, err := http.ReadResponse(b, nil)
+	h.messageCount++
+	var req string
+	h.parent.Lock()
+	if len(h.parent.urls) == 0 {
+		req = fmt.Sprintf("<no-request-seen>")
+	} else {
+		req, h.parent.urls = h.parent.urls[0], h.parent.urls[1:]
+	}
+	h.parent.Unlock()
+	if err != nil {
+		return err
+	}
+	body, err := ioutil.ReadAll(res.Body)
+	res.Body = io.NopCloser(bytes.NewBuffer(body)) // rewind
+	s := len(body)
+	if err != nil {
+		SilentError("HTTP-response-body", "HTTP/%s: failed to get body(parsed len:%d): %s\n", h.ident, s, err)
+	}
+	if h.hexdump {
+		Info("Body(%d/0x%x)\n%s\n", len(body), len(body), hex.Dump(body))
+	}
+	if err := res.Body.Close(); err != nil {
+		SilentError("HTTP-response-body-close", "HTTP/%s: failed to close body(parsed len:%d): %s\n", h.ident, s, err)
+	}
+	sym := ","
+	if res.ContentLength > 0 && res.ContentLength != int64(s) {
+		sym = "!="
+	}
+	contentType, ok := res.Header["Content-Type"]
+	if !ok {
+		contentType = []string{http.DetectContentType(body)}
+	}
+	encoding := res.Header["Content-Encoding"]
+	Info("HTTP/%s Response: %s URL:%s (%d%s%d%s) -> %s\n", h.ident, res.Status, req, res.ContentLength, sym, s, contentType, encoding)
+	bodyStr, err := readBody(body, encoding)
+	if err != nil {
+		SilentError("HTTP-response-body-decode", "stream %s Failed to decode body: %s\n", h.ident, err)
+	}
+
+	ident := fmt.Sprintf("%s->%s %s->%s %d", h.tcpID.dstIP, h.tcpID.srcIP, h.tcpID.dstPort, h.tcpID.srcPort, h.messageCount)
+	reqResPair := reqResMatcher.registerResponse(ident, res, h.captureTime, bodyStr, false)
+	if reqResPair != nil {
+		if h.harWriter != nil {
+			h.harWriter.WritePair(
+				reqResPair.HttpBufferedTrace.Request.orig.(*http.Request),
+				reqResPair.HttpBufferedTrace.Request.captureTime,
+				reqResPair.HttpBufferedTrace.Response.orig.(*http.Response),
+				reqResPair.HttpBufferedTrace.Response.captureTime,
+				reqResPair.HttpBufferedTrace.Request.requestSenderIp,
+			)
+		} else {
+			jsonStr, err := json.Marshal(reqResPair)
+			if err != nil {
+				SilentError("HTTP-marshal", "stream %s Error convert request response to json: %s\n", h.ident, err)
+			}
+			broadcastReqResPair(jsonStr)
+		}
+	}
+
+	return nil
+}
+
+func readBody(bodyBytes []byte, encoding []string) (string, error) {
+	var bodyBuffer io.Reader
+	bodyBuffer = bytes.NewBuffer(bodyBytes)
+	var err error
+	if len(encoding) > 0 && (encoding[0] == "gzip" || encoding[0] == "deflate") {
+		bodyBuffer, err = gzip.NewReader(bodyBuffer)
+		if err != nil {
+			SilentError("HTTP-gunzip", "Failed to gzip decode: %s\n", err)
+			return "", err
+		}
+	}
+	if _, ok := bodyBuffer.(*gzip.Reader); ok {
+		err = bodyBuffer.(*gzip.Reader).Close()
+		if err != nil {
+			return "", err
+		}
+	}
+
+	buf := new(bytes.Buffer)
+	_, err = buf.ReadFrom(bodyBuffer)
+	return b64.StdEncoding.EncodeToString(buf.Bytes()), err
+}

api/pkg/tap/net_utils.go

@@ -0,0 +1,62 @@
+package tap
+
+import (
+	"net"
+	"strings"
+)
+
+var privateIPBlocks []*net.IPNet
+
+func init() {
+	initPrivateIPBlocks()
+}
+
+// Get this host ipv4 and ipv6 addresses on all interfaces
+func getLocalhostIPs() ([]string, error) {
+	addrMasks, err := net.InterfaceAddrs()
+	if err != nil {
+		// TODO: return error, log error
+		return nil, err
+	}
+
+	myIPs := make([]string, len(addrMasks))
+	for ii, addr := range addrMasks {
+		myIPs[ii] = strings.Split(addr.String(), "/")[0]
+	}
+
+	return myIPs, nil
+}
+
+func isPrivateIP(ipStr string) bool {
+	ip := net.ParseIP(ipStr)
+	if ip.IsLoopback() || ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast() {
+		return true
+	}
+
+	for _, block := range privateIPBlocks {
+		if block.Contains(ip) {
+			return true
+		}
+	}
+	return false
+}
+
+func initPrivateIPBlocks() {
+	for _, cidr := range []string{
+		"127.0.0.0/8",    // IPv4 loopback
+		"10.0.0.0/8",     // RFC1918
+		"172.16.0.0/12",  // RFC1918
+		"192.168.0.0/16", // RFC1918
+		"169.254.0.0/16", // RFC3927 link-local
+		"::1/128",        // IPv6 loopback
+		"fe80::/10",      // IPv6 link-local
+		"fc00::/7",       // IPv6 unique local addr
+	} {
+		_, block, err := net.ParseCIDR(cidr)
+		if err != nil {
+			Error("Private-IP-Block-Parse", "parse error on %q: %v", cidr, err)
+		} else {
+			privateIPBlocks = append(privateIPBlocks, block)
+		}
+	}
+}

api/pkg/tap/passive_tapper.go

@@ -0,0 +1,530 @@
+// Copyright 2012 Google, Inc. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+// The pcapdump binary implements a tcpdump-like command line tool with gopacket
+// using pcap as a backend data collection mechanism.
+package tap
+
+import (
+	"encoding/hex"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"github.com/up9inc/mizu/shared"
+	"log"
+	"os"
+	"os/signal"
+	"runtime"
+	"runtime/pprof"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/google/gopacket"
+	"github.com/google/gopacket/examples/util"
+	"github.com/google/gopacket/ip4defrag"
+	"github.com/google/gopacket/layers" // pulls in all layers decoders
+	"github.com/google/gopacket/pcap"
+	"github.com/google/gopacket/reassembly"
+)
+
+const AppPortsEnvVar = "APP_PORTS"
+const OutPortEnvVar = "WEB_SOCKET_PORT"
+const maxHTTP2DataLenEnvVar = "HTTP2_DATA_SIZE_LIMIT"
+// default is 1MB, more than the max size accepted by collector and traffic-dumper
+const maxHTTP2DataLenDefault = 1 * 1024 * 1024
+const cleanPeriod = time.Second * 10
+const outboundThrottleCacheExpiryPeriod = time.Minute * 15
+var remoteOnlyOutboundPorts = []int { 80, 443 }
+
+func parseAppPorts(appPortsList string) []int {
+	ports := make([]int, 0)
+	for _, portStr := range strings.Split(appPortsList, ",") {
+		parsedInt, parseError := strconv.Atoi(portStr)
+		if parseError != nil {
+			fmt.Println("Provided app port ", portStr, " is not a valid number!")
+		} else {
+			ports = append(ports, parsedInt)
+		}
+	}
+	return ports
+}
+
+func parseHostAppAddresses(hostAppAddressesString string) []string {
+	if len(hostAppAddressesString) == 0 {
+		return []string{}
+	}
+	return strings.Split(hostAppAddressesString, ",")
+}
+
+var maxcount = flag.Int("c", -1, "Only grab this many packets, then exit")
+var decoder = flag.String("decoder", "", "Name of the decoder to use (default: guess from capture)")
+var statsevery = flag.Int("stats", 60, "Output statistics every N seconds")
+var lazy = flag.Bool("lazy", false, "If true, do lazy decoding")
+var nodefrag = flag.Bool("nodefrag", false, "If true, do not do IPv4 defrag")
+var checksum = flag.Bool("checksum", false, "Check TCP checksum")  // global
+var nooptcheck = flag.Bool("nooptcheck", true, "Do not check TCP options (useful to ignore MSS on captures with TSO)")  // global
+var ignorefsmerr = flag.Bool("ignorefsmerr", true, "Ignore TCP FSM errors")  // global
+var allowmissinginit = flag.Bool("allowmissinginit", true, "Support streams without SYN/SYN+ACK/ACK sequence")  // global
+var verbose = flag.Bool("verbose", false, "Be verbose")
+var debug = flag.Bool("debug", false, "Display debug information")
+var quiet = flag.Bool("quiet", false, "Be quiet regarding errors")
+
+// http
+var nohttp = flag.Bool("nohttp", false, "Disable HTTP parsing")
+var output = flag.String("output", "", "Path to create file for HTTP 200 OK responses")
+var writeincomplete = flag.Bool("writeincomplete", false, "Write incomplete response")
+
+var hexdump = flag.Bool("dump", false, "Dump HTTP request/response as hex")  // global
+var hexdumppkt = flag.Bool("dumppkt", false, "Dump packet as hex")
+
+// capture
+var iface = flag.String("i", "en0", "Interface to read packets from")
+var fname = flag.String("r", "", "Filename to read from, overrides -i")
+var snaplen = flag.Int("s", 65536, "Snap length (number of bytes max to read per packet")
+var tstype = flag.String("timestamp_type", "", "Type of timestamps to use")
+var promisc = flag.Bool("promisc", true, "Set promiscuous mode")
+var anydirection = flag.Bool("anydirection", false, "Capture http requests to other hosts")
+var staleTimeoutSeconds = flag.Int("staletimout", 120, "Max time in seconds to keep connections which don't transmit data")
+var hostAppAddressesString = flag.String("targets", "", "Comma separated list of ip:ports to tap")
+
+var memprofile = flag.String("memprofile", "", "Write memory profile")
+
+// output
+var dumpToHar = flag.Bool("hardump", false, "Dump traffic to har files")
+var HarOutputDir = flag.String("hardir", "", "Directory in which to store output har files")
+var harEntriesPerFile = flag.Int("harentriesperfile", 200, "Number of max number of har entries to store in each file")
+
+var reqResMatcher = createResponseRequestMatcher()  // global
+var statsTracker = StatsTracker{}
+
+// global
+var stats struct {
+	ipdefrag            int
+	missedBytes         int
+	pkt                 int
+	sz                  int
+	totalsz             int
+	rejectFsm           int
+	rejectOpt           int
+	rejectConnFsm       int
+	reassembled         int
+	outOfOrderBytes     int
+	outOfOrderPackets   int
+	biggestChunkBytes   int
+	biggestChunkPackets int
+	overlapBytes        int
+	overlapPackets      int
+}
+
+type CollectorMessage struct {
+	MessageType string
+	Ports *[]int `json:"ports,omitempty"`
+	Addresses *[]string `json:"addresses,omitempty"`
+}
+
+var outputLevel int
+var errorsMap map[string]uint
+var errorsMapMutex sync.Mutex
+var nErrors uint
+var appPorts []int            // global
+var ownIps []string           //global
+var hostMode bool             //global
+var HostAppAddresses []string //global
+
+/* minOutputLevel: Error will be printed only if outputLevel is above this value
+ * t:              key for errorsMap (counting errors)
+ * s, a:           arguments fmt.Printf
+ * Note:           Too bad for perf that a... is evaluated
+ */
+func logError(minOutputLevel int, t string, s string, a ...interface{}) {
+	errorsMapMutex.Lock()
+	nErrors++
+	nb, _ := errorsMap[t]
+	errorsMap[t] = nb + 1
+	errorsMapMutex.Unlock()
+	if outputLevel >= minOutputLevel {
+		formatStr := fmt.Sprintf("%s: %s", t, s)
+		fmt.Printf(formatStr, a...)
+	}
+}
+func Error(t string, s string, a ...interface{}) {
+	logError(0, t, s, a...)
+}
+func SilentError(t string, s string, a ...interface{}) {
+	logError(2, t, s, a...)
+}
+func Info(s string, a ...interface{}) {
+	if outputLevel >= 1 {
+		fmt.Printf(s, a...)
+	}
+}
+func Debug(s string, a ...interface{}) {
+	if outputLevel >= 2 {
+		fmt.Printf(s, a...)
+	}
+}
+
+func inArrayInt(arr []int, valueToCheck int) bool {
+	for _, value := range arr {
+		if value == valueToCheck {
+			return true
+		}
+	}
+	return false
+}
+
+func inArrayString(arr []string, valueToCheck string) bool {
+	for _, value := range arr {
+		if value == valueToCheck {
+			return true
+		}
+	}
+	return false
+}
+
+/*
+ * The assembler context
+ */
+type Context struct {
+	CaptureInfo gopacket.CaptureInfo
+}
+
+func (c *Context) GetCaptureInfo() gopacket.CaptureInfo {
+	return c.CaptureInfo
+}
+
+func StartPassiveTapper() <-chan *OutputChannelItem {
+	var harWriter *HarWriter
+	if *dumpToHar {
+		harWriter = NewHarWriter(*HarOutputDir, *harEntriesPerFile)
+	}
+
+	go startPassiveTapper(harWriter)
+
+	if harWriter != nil {
+		return harWriter.OutChan
+	}
+
+	return nil
+}
+
+func startPassiveTapper(harWriter *HarWriter) {
+	defer util.Run()()
+	if *debug {
+		outputLevel = 2
+	} else if *verbose {
+		outputLevel = 1
+	} else if *quiet {
+		outputLevel = -1
+	}
+	errorsMap = make(map[string]uint)
+
+	if localhostIPs, err := getLocalhostIPs(); err != nil {
+		// TODO: think this over
+		fmt.Println("Failed to get self IP addresses")
+		Error("Getting-Self-Address", "Error getting self ip address: %s (%v,%+v)\n", err, err, err)
+		ownIps = make([]string, 0)
+	} else {
+		ownIps = localhostIPs
+	}
+
+	appPortsStr := os.Getenv(AppPortsEnvVar)
+	if appPortsStr == "" {
+		fmt.Println("Received empty/no APP_PORTS env var! only listening to http on port 80!")
+		appPorts = make([]int, 0)
+	} else {
+		appPorts = parseAppPorts(appPortsStr)
+	}
+	tapOutputPort := os.Getenv(OutPortEnvVar)
+	if tapOutputPort == "" {
+		fmt.Println("Received empty/no WEB_SOCKET_PORT env var! falling back to port 8080")
+		tapOutputPort = "8080"
+	}
+	envVal := os.Getenv(maxHTTP2DataLenEnvVar)
+	if envVal == "" {
+		fmt.Println("Received empty/no HTTP2_DATA_SIZE_LIMIT env var! falling back to", maxHTTP2DataLenDefault)
+		maxHTTP2DataLen = maxHTTP2DataLenDefault
+	} else {
+		if convertedInt, err := strconv.Atoi(envVal); err != nil {
+			fmt.Println("Received invalid HTTP2_DATA_SIZE_LIMIT env var! falling back to", maxHTTP2DataLenDefault)
+			maxHTTP2DataLen = maxHTTP2DataLenDefault
+		} else {
+			fmt.Println("Received HTTP2_DATA_SIZE_LIMIT env var:", maxHTTP2DataLenDefault)
+			maxHTTP2DataLen = convertedInt
+		}
+	}
+	hostMode = os.Getenv(shared.HostModeEnvVar) == "1"
+
+	fmt.Printf("App Ports: %v\n", appPorts)
+	fmt.Printf("Tap output websocket port: %s\n", tapOutputPort)
+
+	var onCollectorMessage = func(message []byte) {
+		var parsedMessage CollectorMessage
+		err := json.Unmarshal(message, &parsedMessage)
+		if err == nil {
+
+			if parsedMessage.MessageType == "setPorts" {
+				Debug("Got message from collector. Type: %s, Ports: %v\n", parsedMessage.MessageType, parsedMessage.Ports)
+				appPorts = *parsedMessage.Ports
+			} else if parsedMessage.MessageType == "setAddresses" {
+				Debug("Got message from collector. Type: %s, IPs: %v\n", parsedMessage.MessageType, parsedMessage.Addresses)
+				HostAppAddresses = *parsedMessage.Addresses
+				Info("Filtering for the following addresses: %s\n", HostAppAddresses)
+			}
+		} else {
+			Error("Collector-Message-Parsing", "Error parsing message from collector: %s (%v,%+v)\n", err, err, err)
+		}
+	}
+
+	go startOutputServer(tapOutputPort, onCollectorMessage)
+
+	var handle *pcap.Handle
+	var err error
+	if *fname != "" {
+		if handle, err = pcap.OpenOffline(*fname); err != nil {
+			log.Fatal("PCAP OpenOffline error:", err)
+		}
+	} else {
+		// This is a little complicated because we want to allow all possible options
+		// for creating the packet capture handle... instead of all this you can
+		// just call pcap.OpenLive if you want a simple handle.
+		inactive, err := pcap.NewInactiveHandle(*iface)
+		if err != nil {
+			log.Fatalf("could not create: %v", err)
+		}
+		defer inactive.CleanUp()
+		if err = inactive.SetSnapLen(*snaplen); err != nil {
+			log.Fatalf("could not set snap length: %v", err)
+		} else if err = inactive.SetPromisc(*promisc); err != nil {
+			log.Fatalf("could not set promisc mode: %v", err)
+		} else if err = inactive.SetTimeout(time.Second); err != nil {
+			log.Fatalf("could not set timeout: %v", err)
+		}
+		if *tstype != "" {
+			if t, err := pcap.TimestampSourceFromString(*tstype); err != nil {
+				log.Fatalf("Supported timestamp types: %v", inactive.SupportedTimestamps())
+			} else if err := inactive.SetTimestampSource(t); err != nil {
+				log.Fatalf("Supported timestamp types: %v", inactive.SupportedTimestamps())
+			}
+		}
+		if handle, err = inactive.Activate(); err != nil {
+			log.Fatal("PCAP Activate error:", err)
+		}
+		defer handle.Close()
+	}
+	if len(flag.Args()) > 0 {
+		bpffilter := strings.Join(flag.Args(), " ")
+		Info("Using BPF filter %q\n", bpffilter)
+		if err = handle.SetBPFFilter(bpffilter); err != nil {
+			log.Fatal("BPF filter error:", err)
+		}
+	}
+
+	if *dumpToHar {
+		harWriter.Start()
+		defer harWriter.Stop()
+	}
+
+	var dec gopacket.Decoder
+	var ok bool
+	decoderName := *decoder
+	if decoderName == "" {
+		decoderName = fmt.Sprintf("%s", handle.LinkType())
+	}
+	if dec, ok = gopacket.DecodersByLayerName[decoderName]; !ok {
+		log.Fatalln("No decoder named", decoderName)
+	}
+	source := gopacket.NewPacketSource(handle, dec)
+	source.Lazy = *lazy
+	source.NoCopy = true
+	Info("Starting to read packets\n")
+	count := 0
+	bytes := int64(0)
+	start := time.Now()
+	defragger := ip4defrag.NewIPv4Defragmenter()
+
+	streamFactory := &tcpStreamFactory{doHTTP: !*nohttp, harWriter: harWriter}
+	streamPool := reassembly.NewStreamPool(streamFactory)
+	assembler := reassembly.NewAssembler(streamPool)
+	var assemblerMutex sync.Mutex
+
+	signalChan := make(chan os.Signal, 1)
+	signal.Notify(signalChan, os.Interrupt)
+
+	staleConnectionTimeout := time.Second * time.Duration(*staleTimeoutSeconds)
+	cleaner := Cleaner{
+		assembler: assembler,
+		assemblerMutex: &assemblerMutex,
+		matcher: &reqResMatcher,
+		cleanPeriod: cleanPeriod,
+		connectionTimeout: staleConnectionTimeout,
+	}
+	cleaner.start()
+
+	go func() {
+		statsPeriod := time.Second * time.Duration(*statsevery)
+		ticker := time.NewTicker(statsPeriod)
+
+		for true {
+			<-ticker.C
+
+			// Since the start
+			errorsMapMutex.Lock()
+			errorMapLen := len(errorsMap)
+			errorsSummery := fmt.Sprintf("%v", errorsMap)
+			errorsMapMutex.Unlock()
+			fmt.Printf("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)\nErrors Summary: %s\n",
+				count,
+				bytes,
+				time.Since(start),
+				nErrors,
+				errorMapLen,
+				errorsSummery,
+			)
+
+			// At this moment
+			memStats := runtime.MemStats{}
+			runtime.ReadMemStats(&memStats)
+			fmt.Printf(
+				"mem: %d, goroutines: %d, unmatched messages: %d\n",
+				memStats.HeapAlloc,
+				runtime.NumGoroutine(),
+				reqResMatcher.openMessagesMap.Count(),
+			)
+
+			// Since the last print
+			cleanStats := cleaner.dumpStats()
+			appStats := statsTracker.dumpStats()
+			fmt.Printf(
+				"flushed connections %d, closed connections: %d, deleted messages: %d, matched messages: %d\n",
+				cleanStats.flushed,
+				cleanStats.closed,
+				cleanStats.deleted,
+				appStats.matchedMessages,
+			)
+		}
+	}()
+
+	for packet := range source.Packets() {
+		count++
+		Debug("PACKET #%d\n", count)
+		data := packet.Data()
+		bytes += int64(len(data))
+		if *hexdumppkt {
+			Debug("Packet content (%d/0x%x)\n%s\n", len(data), len(data), hex.Dump(data))
+		}
+
+		// defrag the IPv4 packet if required
+		if !*nodefrag {
+			ip4Layer := packet.Layer(layers.LayerTypeIPv4)
+			if ip4Layer == nil {
+				continue
+			}
+			ip4 := ip4Layer.(*layers.IPv4)
+			l := ip4.Length
+			newip4, err := defragger.DefragIPv4(ip4)
+			if err != nil {
+				log.Fatalln("Error while de-fragmenting", err)
+			} else if newip4 == nil {
+				Debug("Fragment...\n")
+				continue // packet fragment, we don't have whole packet yet.
+			}
+			if newip4.Length != l {
+				stats.ipdefrag++
+				Debug("Decoding re-assembled packet: %s\n", newip4.NextLayerType())
+				pb, ok := packet.(gopacket.PacketBuilder)
+				if !ok {
+					panic("Not a PacketBuilder")
+				}
+				nextDecoder := newip4.NextLayerType()
+				nextDecoder.Decode(newip4.Payload, pb)
+			}
+		}
+
+		tcp := packet.Layer(layers.LayerTypeTCP)
+		if tcp != nil {
+			tcp := tcp.(*layers.TCP)
+			if *checksum {
+				err := tcp.SetNetworkLayerForChecksum(packet.NetworkLayer())
+				if err != nil {
+					log.Fatalf("Failed to set network layer for checksum: %s\n", err)
+				}
+			}
+			c := Context{
+				CaptureInfo: packet.Metadata().CaptureInfo,
+			}
+			stats.totalsz += len(tcp.Payload)
+			//fmt.Println(packet.NetworkLayer().NetworkFlow().Src(), ":", tcp.SrcPort, " -> ", packet.NetworkLayer().NetworkFlow().Dst(), ":", tcp.DstPort)
+			assemblerMutex.Lock()
+			assembler.AssembleWithContext(packet.NetworkLayer().NetworkFlow(), tcp, &c)
+			assemblerMutex.Unlock()
+		}
+
+		done := *maxcount > 0 && count >= *maxcount
+		if done {
+			errorsMapMutex.Lock()
+			errorMapLen := len(errorsMap)
+			errorsMapMutex.Unlock()
+			fmt.Fprintf(os.Stderr, "Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)\n", count, bytes, time.Since(start), nErrors, errorMapLen)
+		}
+		select {
+		case <-signalChan:
+			fmt.Fprintf(os.Stderr, "\nCaught SIGINT: aborting\n")
+			done = true
+		default:
+			// NOP: continue
+		}
+		if done {
+			break
+		}
+	}
+
+	assemblerMutex.Lock()
+	closed := assembler.FlushAll()
+	assemblerMutex.Unlock()
+	Debug("Final flush: %d closed", closed)
+	if outputLevel >= 2 {
+		streamPool.Dump()
+	}
+
+	if *memprofile != "" {
+		f, err := os.Create(*memprofile)
+		if err != nil {
+			log.Fatal(err)
+		}
+		pprof.WriteHeapProfile(f)
+		f.Close()
+	}
+
+	streamFactory.WaitGoRoutines()
+	assemblerMutex.Lock()
+	Debug("%s\n", assembler.Dump())
+	assemblerMutex.Unlock()
+	if !*nodefrag {
+		fmt.Printf("IPdefrag:\t\t%d\n", stats.ipdefrag)
+	}
+	fmt.Printf("TCP stats:\n")
+	fmt.Printf(" missed bytes:\t\t%d\n", stats.missedBytes)
+	fmt.Printf(" total packets:\t\t%d\n", stats.pkt)
+	fmt.Printf(" rejected FSM:\t\t%d\n", stats.rejectFsm)
+	fmt.Printf(" rejected Options:\t%d\n", stats.rejectOpt)
+	fmt.Printf(" reassembled bytes:\t%d\n", stats.sz)
+	fmt.Printf(" total TCP bytes:\t%d\n", stats.totalsz)
+	fmt.Printf(" conn rejected FSM:\t%d\n", stats.rejectConnFsm)
+	fmt.Printf(" reassembled chunks:\t%d\n", stats.reassembled)
+	fmt.Printf(" out-of-order packets:\t%d\n", stats.outOfOrderPackets)
+	fmt.Printf(" out-of-order bytes:\t%d\n", stats.outOfOrderBytes)
+	fmt.Printf(" biggest-chunk packets:\t%d\n", stats.biggestChunkPackets)
+	fmt.Printf(" biggest-chunk bytes:\t%d\n", stats.biggestChunkBytes)
+	fmt.Printf(" overlap packets:\t%d\n", stats.overlapPackets)
+	fmt.Printf(" overlap bytes:\t\t%d\n", stats.overlapBytes)
+	fmt.Printf("Errors: %d\n", nErrors)
+	for e := range errorsMap {
+		fmt.Printf(" %s:\t\t%d\n", e, errorsMap[e])
+	}
+}

api/pkg/tap/stats_tracker.go

@@ -0,0 +1,35 @@
+package tap
+
+import (
+	"sync"
+)
+
+type AppStats struct {
+	matchedMessages int
+}
+
+type StatsTracker struct {
+	stats             AppStats
+	statsMutex	  sync.Mutex
+}
+
+func (st *StatsTracker) incMatchedMessages() {
+	st.statsMutex.Lock()
+	st.stats.matchedMessages++
+	st.statsMutex.Unlock()
+}
+
+func (st *StatsTracker) dumpStats() AppStats {
+	st.statsMutex.Lock()
+
+	stats := AppStats{
+		matchedMessages: st.stats.matchedMessages,
+	}
+
+	st.stats.matchedMessages = 0
+
+	st.statsMutex.Unlock()
+
+	return stats
+}
+

api/pkg/tap/tap_output.go

@@ -0,0 +1,239 @@
+package tap
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/gorilla/websocket"
+	"github.com/patrickmn/go-cache"
+)
+
+
+const (
+	// Time allowed to write a message to the peer.
+	writeWait = 10 * time.Second
+
+	// Time allowed to read the next pong message from the peer.
+	pongWait = 60 * time.Second
+
+	// Send pings to peer with this period. Must be less than pongWait.
+	pingPeriod = (pongWait * 9) / 10
+
+	// Maximum message size allowed from peer.
+	maxMessageSize = 512
+)
+
+var (
+	newline                           = []byte{'\n'}
+	space                             = []byte{' '}
+	hub                               *Hub
+	outboundSocketNotifyExpiringCache = cache.New(outboundThrottleCacheExpiryPeriod, outboundThrottleCacheExpiryPeriod)
+)
+
+var upgrader = websocket.Upgrader{
+	ReadBufferSize:  1024,
+	WriteBufferSize: 1024,
+	CheckOrigin: func (_ *http.Request) bool { return true },
+}
+
+// Client is a middleman between the websocket connection and the hub.
+type Client struct {
+	hub *Hub
+
+	// The websocket connection.
+	conn *websocket.Conn
+
+	// Buffered channel of outbound messages.
+	send chan []byte
+}
+
+type OutBoundLinkMessage struct {
+	SourceIP string `json:"sourceIP"`
+	IP string `json:"ip"`
+	Port int `json:"port"`
+	Type string `json:"type"`
+}
+
+
+// readPump pumps messages from the websocket connection to the hub.
+//
+// The application runs readPump in a per-connection goroutine. The application
+// ensures that there is at most one reader on a connection by executing all
+// reads from this goroutine.
+func (c *Client) readPump() {
+	defer func() {
+		c.hub.unregister <- c
+		c.conn.Close()
+	}()
+	c.conn.SetReadLimit(maxMessageSize)
+	c.conn.SetReadDeadline(time.Now().Add(pongWait))
+	c.conn.SetPongHandler(func(string) error { c.conn.SetReadDeadline(time.Now().Add(pongWait)); return nil })
+	for {
+		_, message, err := c.conn.ReadMessage()
+		if err != nil {
+			if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseAbnormalClosure) {
+				log.Printf("error: %v", err)
+			}
+			break
+		}
+		message = bytes.TrimSpace(bytes.Replace(message, newline, space, -1))
+		c.hub.onMessageCallback(message)
+	}
+}
+
+// writePump pumps messages from the hub to the websocket connection.
+//
+// A goroutine running writePump is started for each connection. The
+// application ensures that there is at most one writer to a connection by
+// executing all writes from this goroutine.
+func (c *Client) writePump() {
+	ticker := time.NewTicker(pingPeriod)
+	defer func() {
+		ticker.Stop()
+		c.conn.Close()
+	}()
+	for {
+		select {
+		case message, ok := <-c.send:
+			c.conn.SetWriteDeadline(time.Now().Add(writeWait))
+			if !ok {
+				// The hub closed the channel.
+				c.conn.WriteMessage(websocket.CloseMessage, []byte{})
+				return
+			}
+
+			w, err := c.conn.NextWriter(websocket.TextMessage)
+			if err != nil {
+				return
+			}
+			w.Write(message)
+
+
+			if err := w.Close(); err != nil {
+				return
+			}
+		case <-ticker.C:
+			c.conn.SetWriteDeadline(time.Now().Add(writeWait))
+			if err := c.conn.WriteMessage(websocket.PingMessage, nil); err != nil {
+				return
+			}
+		}
+	}
+}
+
+type Hub struct {
+	// Registered clients.
+	clients map[*Client]bool
+
+	// Inbound messages from the clients.
+	broadcast chan []byte
+
+	// Register requests from the clients.
+	register chan *Client
+
+	// Unregister requests from clients.
+	unregister chan *Client
+
+	// Handle messages from client
+	onMessageCallback func([]byte)
+
+
+}
+
+func newHub(onMessageCallback func([]byte)) *Hub {
+	return &Hub{
+		broadcast:  make(chan []byte),
+		register:   make(chan *Client),
+		unregister: make(chan *Client),
+		clients:    make(map[*Client]bool),
+		onMessageCallback:  onMessageCallback,
+	}
+}
+
+func (h *Hub) run() {
+	for {
+		select {
+		case client := <-h.register:
+			h.clients[client] = true
+		case client := <-h.unregister:
+			if _, ok := h.clients[client]; ok {
+				delete(h.clients, client)
+				close(client.send)
+			}
+		case message := <-h.broadcast:
+			// matched messages counter is incremented in this thread instead of in multiple http reader
+			// threads in order to reduce contention.
+			statsTracker.incMatchedMessages()
+
+			for client := range h.clients {
+				select {
+				case client.send <- message:
+				default:
+					close(client.send)
+					delete(h.clients, client)
+				}
+			}
+		}
+	}
+}
+
+
+// serveWs handles websocket requests from the peer.
+func serveWs(hub *Hub, w http.ResponseWriter, r *http.Request) {
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Println(err)
+		return
+	}
+	client := &Client{hub: hub, conn: conn, send: make(chan []byte, 256)}
+	client.hub.register <- client
+
+	// Allow collection of memory referenced by the caller by doing all work in
+	// new goroutines.
+	go client.writePump()
+	go client.readPump()
+}
+
+func startOutputServer(port string, messageCallback func([]byte)) {
+	hub = newHub(messageCallback)
+	go hub.run()
+	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		serveWs(hub, w, r)
+	})
+	err := http.ListenAndServe("0.0.0.0:" + port, nil)
+	if err != nil {
+		log.Fatal("Output server error: ", err)
+	}
+}
+
+func broadcastReqResPair(reqResJson []byte) {
+	hub.broadcast <- reqResJson
+}
+
+func broadcastOutboundLink(srcIP string, dstIP string, dstPort int) {
+	cacheKey := fmt.Sprintf("%s -> %s:%d", srcIP, dstIP, dstPort)
+	_, isInCache := outboundSocketNotifyExpiringCache.Get(cacheKey)
+	if isInCache {
+		return
+	} else {
+		outboundSocketNotifyExpiringCache.SetDefault(cacheKey, true)
+	}
+
+	socketMessage := OutBoundLinkMessage{
+		SourceIP: srcIP,
+		IP:   dstIP,
+		Port: dstPort,
+		Type: "outboundSocketDetected",
+	}
+
+	jsonStr, err := json.Marshal(socketMessage)
+	if err != nil {
+		log.Printf("error marshalling outbound socket detection object: %v", err)
+	} else {
+		hub.broadcast <- jsonStr
+	}
+}

api/pkg/tap/tcp_stream.go

@@ -0,0 +1,168 @@
+package tap
+
+import (
+	"encoding/binary"
+	"encoding/hex"
+	"fmt"
+	"sync"
+
+	"github.com/google/gopacket"
+	"github.com/google/gopacket/layers" // pulls in all layers decoders
+	"github.com/google/gopacket/reassembly"
+)
+
+/* It's a connection (bidirectional)
+ * Implements gopacket.reassembly.Stream interface (Accept, ReassembledSG, ReassemblyComplete)
+ * ReassembledSG gets called when new reassembled data is ready (i.e. bytes in order, no duplicates, complete)
+ * In our implementation, we pass information from ReassembledSG to the httpReader through a shared channel.
+ */
+type tcpStream struct {
+	tcpstate       *reassembly.TCPSimpleFSM
+	fsmerr         bool
+	optchecker     reassembly.TCPOptionCheck
+	net, transport gopacket.Flow
+	isDNS          bool
+	isHTTP         bool
+	reversed       bool
+	client         httpReader
+	server         httpReader
+	urls           []string
+	ident          string
+	sync.Mutex
+}
+
+func (t *tcpStream) Accept(tcp *layers.TCP, ci gopacket.CaptureInfo, dir reassembly.TCPFlowDirection, nextSeq reassembly.Sequence, start *bool, ac reassembly.AssemblerContext) bool {
+	// FSM
+	if !t.tcpstate.CheckState(tcp, dir) {
+		//SilentError("FSM", "%s: Packet rejected by FSM (state:%s)\n", t.ident, t.tcpstate.String())
+		stats.rejectFsm++
+		if !t.fsmerr {
+			t.fsmerr = true
+			stats.rejectConnFsm++
+		}
+		if !*ignorefsmerr {
+			return false
+		}
+	}
+	// Options
+	err := t.optchecker.Accept(tcp, ci, dir, nextSeq, start)
+	if err != nil {
+		//SilentError("OptionChecker", "%s: Packet rejected by OptionChecker: %s\n", t.ident, err)
+		stats.rejectOpt++
+		if !*nooptcheck {
+			return false
+		}
+	}
+	// Checksum
+	accept := true
+	if *checksum {
+		c, err := tcp.ComputeChecksum()
+		if err != nil {
+			SilentError("ChecksumCompute", "%s: Got error computing checksum: %s\n", t.ident, err)
+			accept = false
+		} else if c != 0x0 {
+			SilentError("Checksum", "%s: Invalid checksum: 0x%x\n", t.ident, c)
+			accept = false
+		}
+	}
+	if !accept {
+		stats.rejectOpt++
+	}
+	return accept
+}
+
+func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.AssemblerContext) {
+	dir, start, end, skip := sg.Info()
+	length, saved := sg.Lengths()
+	// update stats
+	sgStats := sg.Stats()
+	if skip > 0 {
+		stats.missedBytes += skip
+	}
+	stats.sz += length - saved
+	stats.pkt += sgStats.Packets
+	if sgStats.Chunks > 1 {
+		stats.reassembled++
+	}
+	stats.outOfOrderPackets += sgStats.QueuedPackets
+	stats.outOfOrderBytes += sgStats.QueuedBytes
+	if length > stats.biggestChunkBytes {
+		stats.biggestChunkBytes = length
+	}
+	if sgStats.Packets > stats.biggestChunkPackets {
+		stats.biggestChunkPackets = sgStats.Packets
+	}
+	if sgStats.OverlapBytes != 0 && sgStats.OverlapPackets == 0 {
+		// In the original example this was handled with panic().
+		// I don't know what this error means or how to handle it properly.
+		SilentError("Invalid-Overlap", "bytes:%d, pkts:%d\n", sgStats.OverlapBytes, sgStats.OverlapPackets)
+	}
+	stats.overlapBytes += sgStats.OverlapBytes
+	stats.overlapPackets += sgStats.OverlapPackets
+
+	var ident string
+	if dir == reassembly.TCPDirClientToServer {
+		ident = fmt.Sprintf("%v %v(%s): ", t.net, t.transport, dir)
+	} else {
+		ident = fmt.Sprintf("%v %v(%s): ", t.net.Reverse(), t.transport.Reverse(), dir)
+	}
+	Debug("%s: SG reassembled packet with %d bytes (start:%v,end:%v,skip:%d,saved:%d,nb:%d,%d,overlap:%d,%d)\n", ident, length, start, end, skip, saved, sgStats.Packets, sgStats.Chunks, sgStats.OverlapBytes, sgStats.OverlapPackets)
+	if skip == -1 && *allowmissinginit {
+		// this is allowed
+	} else if skip != 0 {
+		// Missing bytes in stream: do not even try to parse it
+		return
+	}
+	data := sg.Fetch(length)
+	if t.isDNS {
+		dns := &layers.DNS{}
+		var decoded []gopacket.LayerType
+		if len(data) < 2 {
+			if len(data) > 0 {
+				sg.KeepFrom(0)
+			}
+			return
+		}
+		dnsSize := binary.BigEndian.Uint16(data[:2])
+		missing := int(dnsSize) - len(data[2:])
+		Debug("dnsSize: %d, missing: %d\n", dnsSize, missing)
+		if missing > 0 {
+			Info("Missing some bytes: %d\n", missing)
+			sg.KeepFrom(0)
+			return
+		}
+		p := gopacket.NewDecodingLayerParser(layers.LayerTypeDNS, dns)
+		err := p.DecodeLayers(data[2:], &decoded)
+		if err != nil {
+			SilentError("DNS-parser", "Failed to decode DNS: %v\n", err)
+		} else {
+			Debug("DNS: %s\n", gopacket.LayerDump(dns))
+		}
+		if len(data) > 2+int(dnsSize) {
+			sg.KeepFrom(2 + int(dnsSize))
+		}
+	} else if t.isHTTP {
+		if length > 0 {
+			if *hexdump {
+				Debug("Feeding http with:\n%s", hex.Dump(data))
+			}
+			// This is where we pass the reassembled information onwards
+			// This channel is read by an httpReader object
+			if dir == reassembly.TCPDirClientToServer && !t.reversed {
+				t.client.msgQueue <- httpReaderDataMsg{data, ac.GetCaptureInfo().Timestamp}
+			} else {
+				t.server.msgQueue <- httpReaderDataMsg{data, ac.GetCaptureInfo().Timestamp}
+			}
+		}
+	}
+}
+
+func (t *tcpStream) ReassemblyComplete(ac reassembly.AssemblerContext) bool {
+	Debug("%s: Connection closed\n", t.ident)
+	if t.isHTTP {
+		close(t.client.msgQueue)
+		close(t.server.msgQueue)
+	}
+	// do not remove the connection to allow last ACK
+	return false
+}

api/pkg/tap/tcp_stream_factory.go

@@ -0,0 +1,117 @@
+package tap
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/google/gopacket"
+	"github.com/google/gopacket/layers" // pulls in all layers decoders
+	"github.com/google/gopacket/reassembly"
+)
+
+/*
+ * The TCP factory: returns a new Stream
+ * Implements gopacket.reassembly.StreamFactory interface (New)
+ * Generates a new tcp stream for each new tcp connection. Closes the stream when the connection closes.
+ */
+type tcpStreamFactory struct {
+	wg        sync.WaitGroup
+	doHTTP    bool
+	harWriter *HarWriter
+}
+
+func (factory *tcpStreamFactory) New(net, transport gopacket.Flow, tcp *layers.TCP, ac reassembly.AssemblerContext) reassembly.Stream {
+	Debug("* NEW: %s %s\n", net, transport)
+	fsmOptions := reassembly.TCPSimpleFSMOptions{
+		SupportMissingEstablishment: *allowmissinginit,
+	}
+	Debug("Current App Ports: %v\n", appPorts)
+	dstIp := net.Dst().String()
+	dstPort := int(tcp.DstPort)
+
+	if factory.shouldNotifyOnOutboundLink(dstIp, dstPort) {
+		broadcastOutboundLink(net.Src().String(), dstIp, dstPort)
+	}
+	isHTTP := factory.shouldTap(dstIp, dstPort)
+	stream := &tcpStream{
+		net:        net,
+		transport:  transport,
+		isDNS:      tcp.SrcPort == 53 || tcp.DstPort == 53,
+		isHTTP:     isHTTP && factory.doHTTP,
+		reversed:   tcp.SrcPort == 80,
+		tcpstate:   reassembly.NewTCPSimpleFSM(fsmOptions),
+		ident:      fmt.Sprintf("%s:%s", net, transport),
+		optchecker: reassembly.NewTCPOptionCheck(),
+	}
+	if stream.isHTTP {
+		stream.client = httpReader{
+			msgQueue: make(chan httpReaderDataMsg),
+			ident:    fmt.Sprintf("%s %s", net, transport),
+			tcpID: tcpID{
+				srcIP:   net.Src().String(),
+				dstIP:   net.Dst().String(),
+				srcPort: transport.Src().String(),
+				dstPort: transport.Dst().String(),
+			},
+			hexdump:  *hexdump,
+			parent:   stream,
+			isClient: true,
+			harWriter: factory.harWriter,
+		}
+		stream.server = httpReader{
+			msgQueue: make(chan httpReaderDataMsg),
+			ident:    fmt.Sprintf("%s %s", net.Reverse(), transport.Reverse()),
+			tcpID: tcpID{
+				srcIP:   net.Dst().String(),
+				dstIP:   net.Src().String(),
+				srcPort: transport.Dst().String(),
+				dstPort: transport.Src().String(),
+			},
+			hexdump: *hexdump,
+			parent:  stream,
+			harWriter: factory.harWriter,
+		}
+		factory.wg.Add(2)
+		// Start reading from channels stream.client.bytes and stream.server.bytes
+		go stream.client.run(&factory.wg)
+		go stream.server.run(&factory.wg)
+	}
+	return stream
+}
+
+func (factory *tcpStreamFactory) WaitGoRoutines() {
+	factory.wg.Wait()
+}
+
+func (factory *tcpStreamFactory) shouldTap(dstIP string, dstPort int) bool {
+	if hostMode {
+		if inArrayString(HostAppAddresses, fmt.Sprintf("%s:%d", dstIP, dstPort)) == true {
+			return true
+		} else if inArrayString(HostAppAddresses, dstIP) == true {
+			return true
+		}
+		return false
+	} else {
+		isTappedPort := dstPort == 80 || (appPorts != nil && (inArrayInt(appPorts, dstPort)))
+		if !isTappedPort {
+			return false
+		}
+
+		if !*anydirection {
+			isDirectedHere := inArrayString(ownIps, dstIP)
+			if !isDirectedHere {
+				return false
+			}
+		}
+
+		return true
+	}
+}
+
+func (factory *tcpStreamFactory) shouldNotifyOnOutboundLink(dstIP string, dstPort int) bool {
+	if inArrayInt(remoteOnlyOutboundPorts, dstPort) {
+		isDirectedHere := inArrayString(ownIps, dstIP)
+		return !isDirectedHere && !isPrivateIP(dstIP)
+	}
+	return true
+}

api/pkg/utils/pathUtils.go

@@ -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()
+}

api/pkg/utils/randomString.go

@@ -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)
+}

api/pkg/utils/utils.go

@@ -0,0 +1,87 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/gofiber/fiber/v2"
+	"log"
+	"mizuserver/pkg/models"
+	"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
+		fmt.Println("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()
+
+}
+
+func GetResolvedBaseEntry(entry models.MizuEntry) models.BaseEntryDetails {
+	entryUrl := entry.Url
+	service := entry.Service
+	if entry.ResolvedDestination != "" {
+		entryUrl = SetHostname(entryUrl, entry.ResolvedDestination)
+		service = SetHostname(service, entry.ResolvedDestination)
+	}
+	return models.BaseEntryDetails{
+		Id:         entry.EntryId,
+		Url:        entryUrl,
+		Service:    service,
+		Path:       entry.Path,
+		StatusCode: entry.Status,
+		Method:     entry.Method,
+		Timestamp:  entry.Timestamp,
+		RequestSenderIp: entry.RequestSenderIp,
+	}
+}
+
+func GetBytesFromStruct(v interface{}) []byte{
+	a, _ := json.Marshal(v)
+	return a
+}

api/pkg/utils/zip.go

@@ -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
+}

api/pkg/validation/validation.go

@@ -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
+}

api/start.sh

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

build-push-featurebranch.sh

@@ -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" .
+
+echo pushing to "$REPOSITORY"
+docker push "$DOCKER_TAGGED_BUILD"

cli/Makefile

@@ -0,0 +1,40 @@
+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)
+
+.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) GOOS=windows GOARCH=amd64
+	@# $(MAKE) GOOS=linux GOARCH=386
+	@# $(MAKE) GOOS=windows GOARCH=386
+	@# $(MAKE) GOOS=darwin GOARCH=arm64
+	@# $(MAKE) GOOS=linux GOARCH=arm64
+	@# $(MAKE) GOOS=windows GOARCH=arm64
+	@echo "---------"
+	@find ./bin -ls
+
+clean: ## clean all build artifacts
+	go clean
+	rm -rf ./bin/*

cli/README.md

@@ -0,0 +1,26 @@
+# 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

cli/cmd/fetch.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+type MizuFetchOptions struct {
+	Limit        uint16
+	Directory	 string
+}
+
+var mizuFetchOptions = MizuFetchOptions{}
+
+var fetchCmd = &cobra.Command{
+	Use:   "fetch",
+	Short: "Download recorded traffic to files",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		RunMizuFetch(&mizuFetchOptions)
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(fetchCmd)
+
+	fetchCmd.Flags().Uint16VarP(&mizuFetchOptions.Limit, "limit", "l", 1000, "Provide a custom limit for entries to fetch")
+	fetchCmd.Flags().StringVarP(&mizuFetchOptions.Directory, "directory", "d", ".", "Provide a custom directory for fetched entries")
+}

cli/cmd/fetchRunner.go

@@ -0,0 +1,94 @@
+package cmd
+
+import (
+	"archive/zip"
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func RunMizuFetch(fetch *MizuFetchOptions) {
+	resp, err :=  http.Get(fmt.Sprintf("http://localhost:8899/api/har?limit=%v", fetch.Limit))
+	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
+}
+
+

cli/cmd/root.go

@@ -0,0 +1,18 @@
+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())
+}

cli/cmd/tap.go

@@ -0,0 +1,57 @@
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"github.com/up9inc/mizu/cli/mizu"
+	"regexp"
+
+	"github.com/spf13/cobra"
+)
+
+type MizuTapOptions struct {
+	GuiPort                uint16
+	Namespace              string
+	AllNamespaces          bool
+	KubeConfigPath         string
+	MizuImage              string
+	MizuPodPort            uint16
+	PlainTextFilterRegexes []string
+}
+
+
+var mizuTapOptions = &MizuTapOptions{}
+
+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 {
+		if len(args) == 0 {
+			return errors.New("POD REGEX argument is required")
+		} else if len(args) > 1 {
+			return errors.New("unexpected number of arguments")
+		}
+
+		regex, err := regexp.Compile(args[0])
+		if err != nil {
+			return errors.New(fmt.Sprintf("%s is not a valid regex %s", args[0], err))
+		}
+
+		RunMizuTap(regex, mizuTapOptions)
+		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().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:latest", mizu.Branch), "Custom image for mizu collector")
+	tapCmd.Flags().Uint16VarP(&mizuTapOptions.MizuPodPort, "mizu-port", "", 8899, "Port which mizu cli will attempt to forward from the mizu collector pod")
+	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")
+}

cli/cmd/tapRunner.go

@@ -0,0 +1,317 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/up9inc/mizu/shared"
+	"os"
+	"os/signal"
+	"regexp"
+	"syscall"
+	"time"
+
+	core "k8s.io/api/core/v1"
+
+	"github.com/up9inc/mizu/cli/debounce"
+	"github.com/up9inc/mizu/cli/kubernetes"
+	"github.com/up9inc/mizu/cli/mizu"
+)
+
+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
+
+	if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegexQuery); err != nil {
+		return
+	} else {
+		currentlyTappedPods = matchingPods
+	}
+
+	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)
+
+	// TODO handle incoming traffic from tapper using a channel
+}
+
+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 := createMizuTappers(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)
+	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) {
+	if tappingOptions.PlainTextFilterRegexes == nil || len(tappingOptions.PlainTextFilterRegexes) == 0 {
+		return nil, nil
+	}
+
+	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}, nil
+}
+
+func createMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, tappingOptions *MizuTapOptions) error {
+	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,
+	); err != nil {
+		fmt.Printf("Error creating 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) {
+	added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, getNamespace(tappingOptions, kubernetesProvider)), podRegex)
+
+	restartTappers := func() {
+		if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegex); 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 := createMizuTappers(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("+%s\n", newTarget.Name)
+
+		case removedTarget := <-removed:
+			fmt.Printf("-%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
+	var portForward *kubernetes.PortForward
+	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
+				var err error
+				portForward, err = kubernetes.NewPortForward(kubernetesProvider, mizu.ResourcesNamespace, mizu.AggregatorPodName, tappingOptions.GuiPort, tappingOptions.MizuPodPort, cancel)
+				fmt.Printf("Web interface is now available at http://localhost:%d\n", tappingOptions.GuiPort)
+				if err != nil {
+					fmt.Printf("error forwarding port to pod %s\n", err)
+					cancel()
+				}
+			}
+
+		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():
+			if portForward != nil {
+				portForward.Stop()
+			}
+			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) {
+	controlSocket, err := mizu.CreateControlSocket(fmt.Sprintf("ws://localhost:%d/ws", tappingOptions.GuiPort))
+	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 {
+				fmt.Printf("error Sending message via control socket %s\n", 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()
+	}
+}

cli/cmd/version.go

@@ -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")
+
+}

cli/cmd/view.go

@@ -0,0 +1,18 @@
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+)
+
+var viewCmd = &cobra.Command{
+	Use:   "view",
+	Short: "Open GUI in browser",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		runMizuView()
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(viewCmd)
+}

cli/cmd/viewRunner.go

@@ -0,0 +1,33 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/up9inc/mizu/cli/kubernetes"
+	"github.com/up9inc/mizu/cli/mizu"
+	"net/http"
+)
+
+func runMizuView() {
+	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
+	}
+
+	_, err = http.Get("http://localhost:8899/")
+	if err == nil {
+		fmt.Printf("Found a running service %s and open port 8899\n", mizu.AggregatorPodName)
+		return
+	}
+	fmt.Printf("Found service %s, creating port forwarding to 8899\n", mizu.AggregatorPodName)
+	portForwardApiPod(ctx, kubernetesProvider, cancel, &MizuTapOptions{GuiPort: 8899, MizuPodPort: 8899})
+}

cli/debounce/debounce.go

@@ -1,7 +1,6 @@
 package debounce
 
 import (
-	"fmt"
 	"time"
 )
 
@@ -14,10 +13,9 @@ func NewDebouncer(timeout time.Duration, callback func()) *Debouncer {
 
 type Debouncer struct {
 	callback func()
-	running  bool
-	canceled bool
-	timeout  time.Duration
-	timer    *time.Timer
+	running bool
+	timeout time.Duration
+	timer *time.Timer
 }
 
 func (d *Debouncer) setTimeout(timeout time.Duration) {
@@ -27,32 +25,18 @@ func (d *Debouncer) setTimeout(timeout time.Duration) {
 
 func (d *Debouncer) setCallback(callback func()) {
 	callbackWrapped := func() {
-		if !d.canceled {
-			callback()
-		}
+		callback()
 		d.running = false
 	}
 
 	d.callback = callbackWrapped
 }
 
-func (d *Debouncer) Cancel() {
-	d.canceled = true
-}
-
-func (d *Debouncer) SetOn() error {
-	if d.canceled {
-		return fmt.Errorf("debouncer cancelled")
-	}
-	if d.running {
-		return nil
+func (d *Debouncer) SetOn() {
+	if d.running == true {
+		return
 	}
 
 	d.running = true
 	d.timer = time.AfterFunc(d.timeout, d.callback)
-	return nil
-}
-
-func (d *Debouncer) IsOn() bool {
-	return d.running
 }

cli/go.mod

@@ -0,0 +1,14 @@
+module github.com/up9inc/mizu/cli
+
+go 1.16
+
+require (
+	github.com/gorilla/websocket v1.4.2
+	github.com/spf13/cobra v1.1.3
+	github.com/up9inc/mizu/shared 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/shared v0.0.0 => ../shared

cli/go.sum

@@ -0,0 +1,574 @@
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+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=
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+k8s.io/api v0.21.0/go.mod h1:+YbrhBBGgsxbF6o6Kj4KJPJnBmAKuXDeS3E18bgHNVU=
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+k8s.io/client-go v0.21.0/go.mod h1:nNBytTF9qPFDEhoqgEPaarobC8QPae13bElIVHzIglA=
+k8s.io/gengo v0.0.0-20200413195148-3a45101e95ac/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
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+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
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+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=
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+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

cli/kubernetes/portForward.go

@@ -0,0 +1,52 @@
+package kubernetes
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"k8s.io/apimachinery/pkg/util/httpstream"
+	"k8s.io/client-go/tools/portforward"
+	"k8s.io/client-go/transport/spdy"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+type PortForward struct {
+	stopChan chan struct{}
+}
+
+func NewPortForward(kubernetesProvider *Provider, namespace string, podName string, localPort uint16, podPort uint16, cancel context.CancelFunc) (*PortForward, error) {
+	dialer := getHttpDialer(kubernetesProvider, namespace, podName)
+	stopChan, readyChan := make(chan struct{}, 1), make(chan struct{}, 1)
+	out, errOut := new(bytes.Buffer), new(bytes.Buffer)
+
+	forwarder, err := portforward.New(dialer, []string{fmt.Sprintf("%d:%d", localPort, podPort)}, stopChan, readyChan, out, errOut)
+	if err != nil {
+		return nil, err
+	}
+	go func() {
+		err = forwarder.ForwardPorts() // this is blocking
+		if err != nil {
+			fmt.Printf("kubernetes port-forwarding error: %s", err)
+			cancel()
+		}
+	}()
+	return &PortForward{stopChan: stopChan}, nil
+}
+
+func (portForward *PortForward) Stop() {
+	close(portForward.stopChan)
+}
+
+func getHttpDialer(kubernetesProvider *Provider, namespace string, podName string) httpstream.Dialer {
+	roundTripper, upgrader, err := spdy.RoundTripperFor(&kubernetesProvider.clientConfig)
+	if err != nil {
+		panic(err)
+	}
+	path := fmt.Sprintf("/api/v1/namespaces/%s/pods/%s/portforward", namespace, podName)
+	hostIP := strings.TrimLeft(kubernetesProvider.clientConfig.Host, "htps:/")
+	serverURL := url.URL{Scheme: "https", Path: path, Host: hostIP}
+
+	return spdy.NewDialer(upgrader, &http.Client{Transport: roundTripper}, http.MethodPost, &serverURL)
+}

cli/kubernetes/provider.go

@@ -0,0 +1,346 @@
+package kubernetes
+
+import (
+	_ "bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/up9inc/mizu/cli/mizu"
+	"path/filepath"
+	"regexp"
+
+	"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"
+	"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) (*core.Pod, error) {
+	marshaledFilteringOptions, err := json.Marshal(mizuApiFilteringOptions)
+	if err != nil {
+		return nil, err
+	}
+	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),
+						},
+					},
+				},
+			},
+			DNSPolicy:                     core.DNSClusterFirstWithHostNet,
+			TerminationGracePeriodSeconds: new(int64),
+			// Affinity: TODO: define node selector for all relevant nodes for this mizu instance
+		},
+	}
+	//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 {
+	return provider.clientSet.CoreV1().Pods(namespace).Delete(ctx, podName, metav1.DeleteOptions{})
+}
+
+func (provider *Provider) RemoveService(ctx context.Context, namespace string, serviceName string) error {
+	return provider.clientSet.CoreV1().Services(namespace).Delete(ctx, serviceName, metav1.DeleteOptions{})
+}
+
+func (provider *Provider) RemoveDaemonSet(ctx context.Context, namespace string, daemonSetName string) error {
+	return provider.clientSet.AppsV1().DaemonSets(namespace).Delete(ctx, daemonSetName, metav1.DeleteOptions{})
+}
+
+func (provider *Provider) ApplyMizuTapperDaemonSet(ctx context.Context, namespace string, daemonSetName string, podImage string, tapperPodName string, aggregatorPodIp string, nodeToTappedPodIPMap map[string][]string, linkServiceAccount bool) error {
+	nodeToTappedPodIPMapJsonStr, err := json.Marshal(nodeToTappedPodIPMap)
+	if err != nil {
+		return err
+	}
+
+	privileged := true
+	agentContainer := applyconfcore.Container()
+	agentContainer.WithName(tapperPodName)
+	agentContainer.WithImage(podImage)
+	agentContainer.WithImagePullPolicy(core.PullAlways)
+	agentContainer.WithSecurityContext(applyconfcore.SecurityContext().WithPrivileged(privileged))
+	agentContainer.WithCommand("./mizuagent", "-i", "any", "--tap", "--hardump", "--aggregator-address", fmt.Sprintf("ws://%s/wsTapper", aggregatorPodIp))
+	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"),
+			),
+		),
+	)
+
+	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) ([]core.Pod, error) {
+	pods, err := provider.clientSet.CoreV1().Pods(mizu.K8sAllNamespaces).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,
+		},
+	)
+}

cli/kubernetes/watch.go

@@ -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
+}

cli/mizu.go

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

cli/mizu/consts.go

@@ -0,0 +1,17 @@
+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    = ""
+)

cli/mizu/controlSocket.go

@@ -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
+}

cmd/clean.go

@@ -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")
-}

cmd/common.go

@@ -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 you’re 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.")
-	}
-}

cmd/config.go

@@ -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)))
-}

cmd/console.go

@@ -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)
-			}
-		}
-	}
-}

cmd/license.go

@@ -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)
-}

cmd/logs.go

@@ -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")
-}

cmd/pcapDump.go

@@ -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")
-}

cmd/pcapDumpRunner.go

@@ -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.co/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
-}

cmd/pprof.go

@@ -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")
-}

cmd/pprofRunner.go

@@ -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)
-			}
-		})
-}

cmd/proxy.go

@@ -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")
-}

cmd/proxyRunner.go

@@ -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)
-	}
-}

cmd/root.go

@@ -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())
-}

cmd/scripts.go

@@ -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.")
-}

cmd/tap.go

@@ -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")
-}

cmd/tapRunner.go

@@ -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)
-}

cmd/version.go

@@ -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)
-}

codecov.yml

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

config/config.go

@@ -1,439 +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",
-	}, 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))
-		}
-	}
-}

config/configStruct.go

@@ -1,215 +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,
-							ShowAdminConsoleLink:    true,
-						},
-					},
-				},
-			},
-			EnabledDissectors: []string{
-				"amqp",
-				"dns",
-				"http",
-				"icmp",
-				"kafka",
-				"redis",
-				// "sctp",
-				// "syscall",
-				// "tcp",
-				// "udp",
-				"ws",
-				// "tlsx",
-				"ldap",
-				"radius",
-				"diameter",
-			},
-			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{
-				Stopped:   false,
-				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:""`
-	CloudLicenseEnabled  bool                          `yaml:"cloudLicenseEnabled" json:"cloudLicenseEnabled" default:"true"`
-	AiAssistantEnabled   bool                          `yaml:"aiAssistantEnabled" json:"aiAssistantEnabled" default:"true"`
-	DemoModeEnabled      bool                          `yaml:"demoModeEnabled" json:"demoModeEnabled" default:"false"`
-	SupportChatEnabled   bool                          `yaml:"supportChatEnabled" json:"supportChatEnabled" default:"true"`
-	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")
-}

config/configStructs/configConfig.go

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

config/configStructs/logsConfig.go

@@ -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
-}

config/configStructs/scriptingConfig.go

@@ -1,92 +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 {
-	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
-}

config/configStructs/tapConfig.go

@@ -1,373 +0,0 @@
-package configStructs
-
-import (
-	"fmt"
-	"regexp"
-
-	v1 "k8s.io/api/core/v1"
-	networking "k8s.io/api/networking/v1"
-)
-
-const (
-	DockerRegistryLabel          = "docker-registry"
-	DockerTagLabel               = "docker-tag"
-	DockerImagePullPolicy        = "docker-imagePullPolicy"
-	DockerImagePullSecrets       = "docker-imagePullSecrets"
-	ProxyFrontPortLabel          = "proxy-front-port"
-	ProxyHubPortLabel            = "proxy-hub-port"
-	ProxyHostLabel               = "proxy-host"
-	NamespacesLabel              = "namespaces"
-	ExcludedNamespacesLabel      = "excludedNamespaces"
-	ReleaseNamespaceLabel        = "release-namespace"
-	PersistentStorageLabel       = "persistentStorage"
-	PersistentStorageStaticLabel = "persistentStorageStatic"
-	EfsFileSytemIdAndPathLabel   = "efsFileSytemIdAndPath"
-	StorageLimitLabel            = "storageLimit"
-	StorageClassLabel            = "storageClass"
-	DryRunLabel                  = "dryRun"
-	PcapLabel                    = "pcap"
-	ServiceMeshLabel             = "serviceMesh"
-	TlsLabel                     = "tls"
-	IgnoreTaintedLabel           = "ignoreTainted"
-	IngressEnabledLabel          = "ingress-enabled"
-	TelemetryEnabledLabel        = "telemetry-enabled"
-	ResourceGuardEnabledLabel    = "resource-guard-enabled"
-	PprofPortLabel               = "pprof-port"
-	PprofViewLabel               = "pprof-view"
-	DebugLabel                   = "debug"
-	ContainerPort                = 8080
-	ContainerPortStr             = "8080"
-	PcapDest                     = "dest"
-	PcapMaxSize                  = "maxSize"
-	PcapMaxTime                  = "maxTime"
-	PcapTimeInterval             = "timeInterval"
-	PcapKubeconfig               = "kubeconfig"
-	PcapDumpEnabled              = "enabled"
-	PcapTime                     = "time"
-	WatchdogEnabled              = "watchdogEnabled"
-)
-
-type ResourceLimitsHub struct {
-	CPU    string `yaml:"cpu" json:"cpu" default:"0"`
-	Memory string `yaml:"memory" json:"memory" default:"5Gi"`
-}
-
-type ResourceLimitsWorker struct {
-	CPU    string `yaml:"cpu" json:"cpu" default:"0"`
-	Memory string `yaml:"memory" json:"memory" default:"3Gi"`
-}
-
-type ResourceRequests struct {
-	CPU    string `yaml:"cpu" json:"cpu" default:"50m"`
-	Memory string `yaml:"memory" json:"memory" default:"50Mi"`
-}
-
-type ResourceRequirementsHub struct {
-	Limits   ResourceLimitsHub `yaml:"limits" json:"limits"`
-	Requests ResourceRequests  `yaml:"requests" json:"requests"`
-}
-
-type ResourceRequirementsWorker struct {
-	Limits   ResourceLimitsHub `yaml:"limits" json:"limits"`
-	Requests ResourceRequests  `yaml:"requests" json:"requests"`
-}
-
-type WorkerConfig struct {
-	SrvPort uint16 `yaml:"srvPort" json:"srvPort" default:"48999"`
-}
-
-type HubConfig struct {
-	SrvPort uint16 `yaml:"srvPort" json:"srvPort" default:"8898"`
-}
-
-type FrontConfig struct {
-	Port uint16 `yaml:"port" json:"port" default:"8899"`
-}
-
-type ProxyConfig struct {
-	Worker WorkerConfig `yaml:"worker" json:"worker"`
-	Hub    HubConfig    `yaml:"hub" json:"hub"`
-	Front  FrontConfig  `yaml:"front" json:"front"`
-	Host   string       `yaml:"host" json:"host" default:"127.0.0.1"`
-}
-
-type OverrideImageConfig struct {
-	Worker string `yaml:"worker" json:"worker"`
-	Hub    string `yaml:"hub" json:"hub"`
-	Front  string `yaml:"front" json:"front"`
-}
-type OverrideTagConfig struct {
-	Worker string `yaml:"worker" json:"worker"`
-	Hub    string `yaml:"hub" json:"hub"`
-	Front  string `yaml:"front" json:"front"`
-}
-
-type DockerConfig struct {
-	Registry         string              `yaml:"registry" json:"registry" default:"docker.io/kubeshark"`
-	Tag              string              `yaml:"tag" json:"tag" default:""`
-	TagLocked        bool                `yaml:"tagLocked" json:"tagLocked" default:"true"`
-	ImagePullPolicy  string              `yaml:"imagePullPolicy" json:"imagePullPolicy" default:"Always"`
-	ImagePullSecrets []string            `yaml:"imagePullSecrets" json:"imagePullSecrets"`
-	OverrideImage    OverrideImageConfig `yaml:"overrideImage" json:"overrideImage"`
-	OverrideTag      OverrideTagConfig   `yaml:"overrideTag" json:"overrideTag"`
-}
-
-type DnsConfig struct {
-	Nameservers []string          `yaml:"nameservers" json:"nameservers" default:"[]"`
-	Searches    []string          `yaml:"searches" json:"searches" default:"[]"`
-	Options     []DnsConfigOption `yaml:"options" json:"options" default:"[]"`
-}
-
-type DnsConfigOption struct {
-	Name  string `yaml:"name" json:"name"`
-	Value string `yaml:"value" json:"value"`
-}
-
-type ResourcesConfig struct {
-	Hub     ResourceRequirementsHub    `yaml:"hub" json:"hub"`
-	Sniffer ResourceRequirementsWorker `yaml:"sniffer" json:"sniffer"`
-	Tracer  ResourceRequirementsWorker `yaml:"tracer" json:"tracer"`
-}
-
-type ProbesConfig struct {
-	Hub     ProbeConfig `yaml:"hub" json:"hub"`
-	Sniffer ProbeConfig `yaml:"sniffer" json:"sniffer"`
-}
-
-type NodeSelectorTermsConfig struct {
-	Hub     []v1.NodeSelectorTerm `yaml:"hub" json:"hub" default:"[]"`
-	Workers []v1.NodeSelectorTerm `yaml:"workers" json:"workers" default:"[]"`
-	Front   []v1.NodeSelectorTerm `yaml:"front" json:"front" default:"[]"`
-	Dex     []v1.NodeSelectorTerm `yaml:"dex" json:"dex" default:"[]"`
-}
-
-type TolerationsConfig struct {
-	Hub     []v1.Toleration `yaml:"hub" json:"hub" default:"[]"`
-	Workers []v1.Toleration `yaml:"workers" json:"workers" default:"[]"`
-	Front   []v1.Toleration `yaml:"front" json:"front" default:"[]"`
-}
-
-type ProbeConfig struct {
-	InitialDelaySeconds int `yaml:"initialDelaySeconds" json:"initialDelaySeconds" default:"5"`
-	PeriodSeconds       int `yaml:"periodSeconds" json:"periodSeconds" default:"5"`
-	SuccessThreshold    int `yaml:"successThreshold" json:"successThreshold" default:"1"`
-	FailureThreshold    int `yaml:"failureThreshold" json:"failureThreshold" default:"3"`
-}
-
-type ScriptingPermissions struct {
-	CanSave     bool `yaml:"canSave" json:"canSave" default:"true"`
-	CanActivate bool `yaml:"canActivate" json:"canActivate" default:"true"`
-	CanDelete   bool `yaml:"canDelete" json:"canDelete" default:"true"`
-}
-
-type Role struct {
-	Filter                  string               `yaml:"filter" json:"filter" default:""`
-	CanDownloadPCAP         bool                 `yaml:"canDownloadPCAP" json:"canDownloadPCAP" default:"false"`
-	CanUseScripting         bool                 `yaml:"canUseScripting" json:"canUseScripting" default:"false"`
-	ScriptingPermissions    ScriptingPermissions `yaml:"scriptingPermissions" json:"scriptingPermissions"`
-	CanUpdateTargetedPods   bool                 `yaml:"canUpdateTargetedPods" json:"canUpdateTargetedPods" default:"false"`
-	CanStopTrafficCapturing bool                 `yaml:"canStopTrafficCapturing" json:"canStopTrafficCapturing" default:"false"`
-	ShowAdminConsoleLink    bool                 `yaml:"showAdminConsoleLink" json:"showAdminConsoleLink" default:"false"`
-}
-
-type SamlConfig struct {
-	IdpMetadataUrl string          `yaml:"idpMetadataUrl" json:"idpMetadataUrl"`
-	X509crt        string          `yaml:"x509crt" json:"x509crt"`
-	X509key        string          `yaml:"x509key" json:"x509key"`
-	RoleAttribute  string          `yaml:"roleAttribute" json:"roleAttribute"`
-	Roles          map[string]Role `yaml:"roles" json:"roles"`
-}
-
-type AuthConfig struct {
-	Enabled bool       `yaml:"enabled" json:"enabled" default:"false"`
-	Type    string     `yaml:"type" json:"type" default:"saml"`
-	Saml    SamlConfig `yaml:"saml" json:"saml"`
-}
-
-type IngressConfig struct {
-	Enabled     bool                    `yaml:"enabled" json:"enabled" default:"false"`
-	ClassName   string                  `yaml:"className" json:"className" default:""`
-	Host        string                  `yaml:"host" json:"host" default:"ks.svc.cluster.local"`
-	Path        string                  `yaml:"path" json:"path" default:"/"`
-	TLS         []networking.IngressTLS `yaml:"tls" json:"tls" default:"[]"`
-	Annotations map[string]string       `yaml:"annotations" json:"annotations" default:"{}"`
-}
-
-type RoutingConfig struct {
-	Front FrontRoutingConfig `yaml:"front" json:"front"`
-}
-
-type DashboardConfig struct {
-	StreamingType            string `yaml:"streamingType" json:"streamingType" default:""`
-	CompleteStreamingEnabled bool   `yaml:"completeStreamingEnabled" json:"completeStreamingEnabled" default:"true"`
-}
-
-type FrontRoutingConfig struct {
-	BasePath string `yaml:"basePath" json:"basePath" default:""`
-}
-
-type ReleaseConfig struct {
-	Repo      string `yaml:"repo" json:"repo" default:"https://helm.kubeshark.co"`
-	Name      string `yaml:"name" json:"name" default:"kubeshark"`
-	Namespace string `yaml:"namespace" json:"namespace" default:"default"`
-}
-
-type TelemetryConfig struct {
-	Enabled bool `yaml:"enabled" json:"enabled" default:"true"`
-}
-
-type ResourceGuardConfig struct {
-	Enabled bool `yaml:"enabled" json:"enabled" default:"false"`
-}
-
-type SentryConfig struct {
-	Enabled     bool   `yaml:"enabled" json:"enabled" default:"false"`
-	Environment string `yaml:"environment" json:"environment" default:"production"`
-}
-
-type WatchdogConfig struct {
-	Enabled bool `yaml:"enabled" json:"enabled" default:"false"`
-}
-
-type GitopsConfig struct {
-	Enabled bool `yaml:"enabled" json:"enabled" default:"false"`
-}
-
-type CapabilitiesConfig struct {
-	NetworkCapture     []string `yaml:"networkCapture" json:"networkCapture"  default:"[]"`
-	ServiceMeshCapture []string `yaml:"serviceMeshCapture" json:"serviceMeshCapture"  default:"[]"`
-	EBPFCapture        []string `yaml:"ebpfCapture" json:"ebpfCapture"  default:"[]"`
-}
-
-type MetricsConfig struct {
-	Port uint16 `yaml:"port" json:"port" default:"49100"`
-}
-
-type PprofConfig struct {
-	Enabled bool   `yaml:"enabled" json:"enabled" default:"false"`
-	Port    uint16 `yaml:"port" json:"port" default:"8000"`
-	View    string `yaml:"view" json:"view" default:"flamegraph"`
-}
-
-type MiscConfig struct {
-	JsonTTL                     string `yaml:"jsonTTL" json:"jsonTTL" default:"5m"`
-	PcapTTL                     string `yaml:"pcapTTL" json:"pcapTTL" default:"10s"`
-	PcapErrorTTL                string `yaml:"pcapErrorTTL" json:"pcapErrorTTL" default:"60s"`
-	TrafficSampleRate           int    `yaml:"trafficSampleRate" json:"trafficSampleRate" default:"100"`
-	TcpStreamChannelTimeoutMs   int    `yaml:"tcpStreamChannelTimeoutMs" json:"tcpStreamChannelTimeoutMs" default:"10000"`
-	TcpStreamChannelTimeoutShow bool   `yaml:"tcpStreamChannelTimeoutShow" json:"tcpStreamChannelTimeoutShow" default:"false"`
-	ResolutionStrategy          string `yaml:"resolutionStrategy" json:"resolutionStrategy" default:"auto"`
-	DuplicateTimeframe          string `yaml:"duplicateTimeframe" json:"duplicateTimeframe" default:"200ms"`
-	DetectDuplicates            bool   `yaml:"detectDuplicates" json:"detectDuplicates" default:"false"`
-	StaleTimeoutSeconds         int    `yaml:"staleTimeoutSeconds" json:"staleTimeoutSeconds" default:"30"`
-}
-
-type PcapDumpConfig struct {
-	PcapDumpEnabled  bool   `yaml:"enabled" json:"enabled" default:"true"`
-	PcapTimeInterval string `yaml:"timeInterval" json:"timeInterval" default:"1m"`
-	PcapMaxTime      string `yaml:"maxTime" json:"maxTime" default:"1h"`
-	PcapMaxSize      string `yaml:"maxSize" json:"maxSize" default:"500MB"`
-	PcapTime         string `yaml:"time" json:"time" default:"time"`
-	PcapDebug        bool   `yaml:"debug" json:"debug" default:"false"`
-	PcapDest         string `yaml:"dest" json:"dest" default:""`
-}
-
-type PortMapping struct {
-	HTTP     []uint16 `yaml:"http" json:"http"`
-	AMQP     []uint16 `yaml:"amqp" json:"amqp"`
-	KAFKA    []uint16 `yaml:"kafka" json:"kafka"`
-	REDIS    []uint16 `yaml:"redis" json:"redis"`
-	LDAP     []uint16 `yaml:"ldap" json:"ldap"`
-	DIAMETER []uint16 `yaml:"diameter" json:"diameter"`
-}
-
-type SecurityContextConfig struct {
-	Privileged      bool                  `yaml:"privileged" json:"privileged" default:"true"`
-	AppArmorProfile AppArmorProfileConfig `yaml:"appArmorProfile" json:"appArmorProfile"`
-	SeLinuxOptions  SeLinuxOptionsConfig  `yaml:"seLinuxOptions" json:"seLinuxOptions"`
-	Capabilities    CapabilitiesConfig    `yaml:"capabilities" json:"capabilities"`
-}
-
-type AppArmorProfileConfig struct {
-	Type             string `yaml:"type" json:"type"`
-	LocalhostProfile string `yaml:"localhostProfile" json:"localhostProfile"`
-}
-
-type SeLinuxOptionsConfig struct {
-	Level string `yaml:"level" json:"level"`
-	Role  string `yaml:"role" json:"role"`
-	Type  string `yaml:"type" json:"type"`
-	User  string `yaml:"user" json:"user"`
-}
-
-type CaptureConfig struct {
-	Stopped   bool   `yaml:"stopped" json:"stopped" default:"false"`
-	StopAfter string `yaml:"stopAfter" json:"stopAfter" default:"5m"`
-}
-
-type TapConfig struct {
-	Docker                         DockerConfig            `yaml:"docker" json:"docker"`
-	Proxy                          ProxyConfig             `yaml:"proxy" json:"proxy"`
-	PodRegexStr                    string                  `yaml:"regex" json:"regex" default:".*"`
-	Namespaces                     []string                `yaml:"namespaces" json:"namespaces" default:"[]"`
-	ExcludedNamespaces             []string                `yaml:"excludedNamespaces" json:"excludedNamespaces" default:"[]"`
-	BpfOverride                    string                  `yaml:"bpfOverride" json:"bpfOverride" default:""`
-	Capture                        CaptureConfig           `yaml:"capture" json:"capture"`
-	Release                        ReleaseConfig           `yaml:"release" json:"release"`
-	PersistentStorage              bool                    `yaml:"persistentStorage" json:"persistentStorage" default:"false"`
-	PersistentStorageStatic        bool                    `yaml:"persistentStorageStatic" json:"persistentStorageStatic" default:"false"`
-	PersistentStoragePvcVolumeMode string                  `yaml:"persistentStoragePvcVolumeMode" json:"persistentStoragePvcVolumeMode" default:"FileSystem"`
-	EfsFileSytemIdAndPath          string                  `yaml:"efsFileSytemIdAndPath" json:"efsFileSytemIdAndPath" default:""`
-	Secrets                        []string                `yaml:"secrets" json:"secrets" default:"[]"`
-	StorageLimit                   string                  `yaml:"storageLimit" json:"storageLimit" default:"5Gi"`
-	StorageClass                   string                  `yaml:"storageClass" json:"storageClass" default:"standard"`
-	DryRun                         bool                    `yaml:"dryRun" json:"dryRun" default:"false"`
-	DnsConfig                      DnsConfig               `yaml:"dns" json:"dns"`
-	Resources                      ResourcesConfig         `yaml:"resources" json:"resources"`
-	Probes                         ProbesConfig            `yaml:"probes" json:"probes"`
-	ServiceMesh                    bool                    `yaml:"serviceMesh" json:"serviceMesh" default:"true"`
-	Tls                            bool                    `yaml:"tls" json:"tls" default:"true"`
-	DisableTlsLog                  bool                    `yaml:"disableTlsLog" json:"disableTlsLog" default:"true"`
-	PacketCapture                  string                  `yaml:"packetCapture" json:"packetCapture" default:"best"`
-	Labels                         map[string]string       `yaml:"labels" json:"labels" default:"{}"`
-	Annotations                    map[string]string       `yaml:"annotations" json:"annotations" default:"{}"`
-	NodeSelectorTerms              NodeSelectorTermsConfig `yaml:"nodeSelectorTerms" json:"nodeSelectorTerms" default:"{}"`
-	Tolerations                    TolerationsConfig       `yaml:"tolerations" json:"tolerations" default:"{}"`
-	Auth                           AuthConfig              `yaml:"auth" json:"auth"`
-	Ingress                        IngressConfig           `yaml:"ingress" json:"ingress"`
-	PriorityClass                  string                  `yaml:"priorityClass" json:"priorityClass" default:""`
-	Routing                        RoutingConfig           `yaml:"routing" json:"routing"`
-	IPv6                           bool                    `yaml:"ipv6" json:"ipv6" default:"true"`
-	Debug                          bool                    `yaml:"debug" json:"debug" default:"false"`
-	Dashboard                      DashboardConfig         `yaml:"dashboard" json:"dashboard"`
-	Telemetry                      TelemetryConfig         `yaml:"telemetry" json:"telemetry"`
-	ResourceGuard                  ResourceGuardConfig     `yaml:"resourceGuard" json:"resourceGuard"`
-	Watchdog                       WatchdogConfig          `yaml:"watchdog" json:"watchdog"`
-	Gitops                         GitopsConfig            `yaml:"gitops" json:"gitops"`
-	Sentry                         SentryConfig            `yaml:"sentry" json:"sentry"`
-	DefaultFilter                  string                  `yaml:"defaultFilter" json:"defaultFilter" default:"!dns and !error"`
-	LiveConfigMapChangesDisabled   bool                    `yaml:"liveConfigMapChangesDisabled" json:"liveConfigMapChangesDisabled" default:"false"`
-	GlobalFilter                   string                  `yaml:"globalFilter" json:"globalFilter" default:""`
-	EnabledDissectors              []string                `yaml:"enabledDissectors" json:"enabledDissectors"`
-	PortMapping                    PortMapping             `yaml:"portMapping" json:"portMapping"`
-	CustomMacros                   map[string]string       `yaml:"customMacros" json:"customMacros" default:"{\"https\":\"tls and (http or http2)\"}"`
-	Metrics                        MetricsConfig           `yaml:"metrics" json:"metrics"`
-	Pprof                          PprofConfig             `yaml:"pprof" json:"pprof"`
-	Misc                           MiscConfig              `yaml:"misc" json:"misc"`
-	SecurityContext                SecurityContextConfig   `yaml:"securityContext" json:"securityContext"`
-	MountBpf                       bool                    `yaml:"mountBpf" json:"mountBpf" default:"true"`
-}
-
-func (config *TapConfig) PodRegex() *regexp.Regexp {
-	podRegex, _ := regexp.Compile(config.PodRegexStr)
-	return podRegex
-}
-
-func (config *TapConfig) Validate() error {
-	_, compileErr := regexp.Compile(config.PodRegexStr)
-	if compileErr != nil {
-		return fmt.Errorf("%s is not a valid regex %s", config.PodRegexStr, compileErr)
-	}
-
-	return nil
-}