#minor

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,38 +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.
-
-**To Reproduce**
-Steps to reproduce the behavior:
-1. Run mizu <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 mizu command with `--set dump-logs=true` (e.g `mizu tap --set dump-logs=true`) 
-2. Try to reproduce the issue
-3. CNTRL+C on terminal tab which runs mizu
-4. Upload the logs zip file from ~/.mizu/mizu_logs_**.zip
-
-**Screenshots**
-If applicable, add screenshots to help explain your problem.
-
-**Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome]
-
-**Additional context**
-Add any other context about the problem here.

.github/workflows/publish-cli.yml

@@ -1,9 +1,10 @@
-name: publish
+name: public-cli
 on:
   push:
     branches:
-      - 'develop'
-      - 'main'
+      - develop
+      - main
+      - my-temp-release-check
 jobs:
   docker:
     runs-on: ubuntu-latest
@@ -27,48 +28,14 @@ jobs:
         with:
           releaseType: ${{ steps.condval.outputs.value }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Get version parameters
+      - name: Get base image name
         shell: bash
         run: |
           echo "##[set-output name=build_timestamp;]$(echo $(date +%s))"
           echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
         id: version_parameters
-      - name: Get base image name
-        shell: bash
-        run: echo "##[set-output name=image;]$(echo gcr.io/up9-docker-hub/mizu/${GITHUB_REF#refs/heads/})"
-        id: base_image_step
-      - name: Docker meta
-        id: meta
-        uses: crazy-max/ghaction-docker-meta@v2
-        with:
-          images: ${{ steps.base_image_step.outputs.image }}
-          tags: |
-            type=sha
-            type=raw,${{ github.sha }}
-            type=raw,${{ steps.versioning.outputs.version }}
-      - name: Login to DockerHub
-        uses: docker/login-action@v1
-        with:
-          registry: gcr.io
-          username: _json_key
-          password: ${{ secrets.GCR_JSON_KEY }}
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
-          build-args: |
-            SEM_VER=${{ steps.versioning.outputs.version }}
-            BUILD_TIMESTAMP=${{ steps.version_parameters.outputs.build_timestamp }}
-            GIT_BRANCH=${{ steps.version_parameters.outputs.branch }}
-            COMMIT_HASH=${{ github.sha }}
       - name: Build and Push CLI
         run: make push-cli SEM_VER='${{ steps.versioning.outputs.version }}' BUILD_TIMESTAMP='${{ steps.version_parameters.outputs.build_timestamp }}'
-      - shell: bash
-        run: |
-          echo '${{ steps.versioning.outputs.version }}' >> cli/bin/version.txt
       - name: publish
         uses: ncipollo/release-action@v1
         with:
@@ -78,4 +45,3 @@ jobs:
           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/test.yaml

@@ -1,35 +0,0 @@
-name: test
-on:
-  pull_request:
-    branches:
-      - 'develop'
-      - 'main'
-jobs:
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Go 1.16
-        uses: actions/setup-go@v2
-        with:
-          go-version: '^1.16'
-      - run: go version
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
-
-      - name: Build CLI
-        run: make cli
-
-      - shell: bash
-        run: |
-          sudo apt-get install libpcap-dev
-
-      - name: Build Agent
-        run: make agent
-
-      - name: Test
-        run: make test
-
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v2

CONTRIBUTE.md

@@ -1,18 +0,0 @@
-![Mizu: The API Traffic Viewer for Kubernetes](assets/mizu-logo.svg)
-# CONTRIBUTE
-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/up9inc/mizu), [Slack](https://join.slack.com/share/zt-u6bbs3pg-X1zhQOXOH0yEoqILgH~csw), [email](mailto:mizu@up9.com), etc. We will make sure no one else is already working on it. A _major feature_ is defined as any change that is > 100 LOC altered (not including tests), or changes any user-facing behavior
-* Small patches and bug fixes don't need prior communication.
-
-## Contribution requirements
-* Code style - most of the code is written in Go, please follow [these guidelines](https://golang.org/doc/effective_go)
-* Go-tools compatible (`go get`, `go test`, etc)
-* Unit-test coverage can’t go down ..
-* 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)
-
-
-

Dockerfile

@@ -13,30 +13,19 @@ ENV CGO_ENABLED=1 GOOS=linux GOARCH=amd64
 
 RUN apk add libpcap-dev gcc g++ make
 
-# Move to agent working directory (/agent-build).
-WORKDIR /app/agent-build
+# Move to api working directory (/api-build).
+WORKDIR /app/api-build
 
-COPY agent/go.mod agent/go.sum ./
+COPY api/go.mod api/go.sum ./
 COPY shared/go.mod shared/go.mod ../shared/
-COPY tap/go.mod tap/go.mod ../tap/
 RUN go mod download
 # cheap trick to make the build faster (As long as go.mod wasn't changes)
 RUN go list -f '{{.Path}}@{{.Version}}' -m all | sed 1d | grep -e 'go-cache' -e 'sqlite' | xargs go get
 
-ARG COMMIT_HASH
-ARG GIT_BRANCH
-ARG BUILD_TIMESTAMP
-ARG SEM_VER
-
-# Copy and build agent code
+# Copy and build api code
 COPY shared ../shared
-COPY tap ../tap
-COPY agent .
-RUN go build -ldflags="-s -w \
-     -X 'mizuserver/pkg/version.GitCommitHash=${COMMIT_HASH}' \
-     -X 'mizuserver/pkg/version.Branch=${GIT_BRANCH}' \
-     -X 'mizuserver/pkg/version.BuildTimestamp=${BUILD_TIMESTAMP}' \
-     -X 'mizuserver/pkg/version.SemVer=${SEM_VER}'" -o mizuagent .
+COPY api .
+RUN go build -ldflags="-s -w" -o mizuagent .
 
 
 FROM alpine:3.13.5
@@ -45,11 +34,10 @@ 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/agent-build/mizuagent", "."]
+COPY --from=builder ["/app/api-build/mizuagent", "."]
 COPY --from=site-build ["/app/ui-build/build", "site"]
 
-# gin-gonic runs in debug mode without this
-ENV GIN_MODE=release
+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"

Makefile

@@ -8,7 +8,7 @@ SHELL=/bin/bash
 # 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 agent cli tap docker
+.PHONY: help ui api cli tap docker
 
 help: ## This help.
 	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
@@ -19,30 +19,34 @@ help: ## This help.
 TS_SUFFIX="$(shell date '+%s')"
 GIT_BRANCH="$(shell git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]' | tr '/' '_')"
 BUCKET_PATH=static.up9.io/mizu/$(GIT_BRANCH)
-export SEM_VER?=0.0.0
 
-ui: ## Build UI.
+ui: ## build UI
 	@(cd ui; npm i ; npm run build; )
 	@ls -l ui/build  
 
-cli: ## Build CLI.
+cli: # build CLI
 	@echo "building cli"; cd cli && $(MAKE) build
 
-agent: ## Build agent.
-	@(echo "building mizu agent .." )
-	@(cd agent; go build -o build/mizuagent main.go)
-	@ls -l agent/build
+api: ## build API server
+	@(echo "building API server .." )
+	@(cd api; go build -o build/apiserver main.go)
+	@ls -l api/build
 
-docker: ## Build and publish agent docker image.
-	$(MAKE) push-docker
+#tap: ## build tap binary
+#	@(cd tap; go build -o build/tap ./src)
+#	@ls -l tap/build
 
-push: push-docker push-cli ## Build and publish agent docker image & CLI.
+docker: ## build Docker image 
+	@(echo "building docker image" )
+	./build-push-featurebranch.sh
 
-push-docker: ## Build and publish agent docker image.
+push: push-docker push-cli ## build and publish Mizu docker image & CLI
+
+push-docker: 
 	@echo "publishing Docker image .. "
 	./build-push-featurebranch.sh
 
-push-cli: ## Build and publish CLI.
+push-cli:
 	@echo "publishing CLI .. "
 	@cd cli; $(MAKE) build-all
 	@echo "publishing file ${OUTPUT_FILE} .."
@@ -51,19 +55,17 @@ push-cli: ## Build and publish CLI.
 	gsutil setmeta -r -h "Cache-Control:public, max-age=30" gs://${BUCKET_PATH}/\*
 
 
-clean: clean-ui clean-agent clean-cli clean-docker ## Clean all build artifacts.
+clean: clean-ui clean-api clean-cli clean-docker ## Clean all build artifacts
 
-clean-ui: ## Clean UI.
+clean-ui: 
 	@(rm -rf ui/build ; echo "UI cleanup done" )
 
-clean-agent: ## Clean agent.
-	@(rm -rf agent/build ; echo "agent cleanup done" )
+clean-api: 
+	@(rm -rf api/build ; echo "api cleanup done" )
 
-clean-cli:  ## Clean CLI.
+clean-cli: 
 	@(cd cli; make clean ; echo "CLI cleanup done" )
 
-clean-docker:
+clean-docker: 
 	@(echo "DOCKER cleanup - NOT IMPLEMENTED YET " )
 
-test: ## Run tests.
-	@echo "running cli tests"; cd cli && $(MAKE) test

PERMISSIONS.md

@@ -1,328 +0,0 @@
-![Mizu: The API Traffic Viewer for Kubernetes](assets/mizu-logo.svg)
-# Kubernetes permissions for MIZU  
-
-This document describes in details all permissions required for full and correct operation of Mizu
-
-We broke down this list into few categories:
-- Required - what is needed for `mizu` to run properly on your k8s cluster
-- Optional - permissions needed for proper name resolving for service & pod IPs 
-   - addition required for policy validation 
- 
-
-
-# Required permissions
-
-Mizu needs following permissions on your Kubernetes cluster to run properly
-
-```yaml
-- apiGroups:
-  - ""
-  resources:
-  - pods
-  verbs:
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services
-  verbs:
-  - create
-  - delete
-- apiGroups:
-  - apps
-  resources:
-  - daemonsets
-  verbs:
-  - create
-  - patch
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - namespaces
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services/proxy
-  verbs:
-  - get
-```
-
-## Permissions required for service / pod name resolving (opt)
-
-Optionally, for proper resolving of IP addresses to Kubernetes service name, Mizu needs below permissions:
-
-```yaml
-- apiGroups:
-  - ""
-  resources:
-  - pods
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - apps
-  resources:
-  - daemonsets
-  verbs:
-  - create
-  - patch
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - namespaces
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services/proxy
-  verbs:
-  - get
-- apiGroups:
-  - ""
-  resources:
-  - serviceaccounts
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - rbac.authorization.k8s.io
-  resources:
-  - clusterroles
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - rbac.authorization.k8s.io
-  resources:
-  - clusterrolebindings
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - rbac.authorization.k8s.io
-  resources:
-  - roles
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - rbac.authorization.k8s.io
-  resources:
-  - rolebindings
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - apps
-  - extensions
-  resources:
-  - pods
-  verbs:
-  - get
-  - list
-  - watch
-- apiGroups:
-  - apps
-  - extensions
-  resources:
-  - services
-  verbs:
-  - get
-  - list
-  - watch
-- apiGroups:
-  - ""
-  - apps
-  - extensions
-  resources:
-  - endpoints
-  verbs:
-  - get
-  - list
-  - watch
-```
-
-## Permissions for Policy rules validation feature (opt)
-
-Optionally, in order to use the policy rules validation feature, Mizu requires the following additional permissions:
-
-```yaml
-- apiGroups:
-  - ""
-  resources:
-  - configmaps
-  verbs:
-  - get
-  - create
-  - delete
-```
-
-- - -
-
-## Namespace-Restricted mode
-
-Alternatively, in order to restrict Mizu to one namespace only (by setting `agent.namespace` in the config file), Mizu needs the following permissions in that namespace:
-
-```yaml
-- apiGroups:
-  - ""
-  resources:
-  - pods
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - apps
-  resources:
-  - daemonsets
-  verbs:
-  - get
-  - create
-  - patch
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services/proxy
-  verbs:
-  - get
-```
-
-### Name resolving in Namespace-Restricted mode (opt)
-
-To restrict Mizu to one namespace while also resolving IPs, Mizu needs the following permissions in that namespace:
-
-```yaml
-- apiGroups:
-  - ""
-  resources:
-  - pods
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services
-  verbs:
-  - get
-  - list
-  - watch
-  - create
-  - delete
-- apiGroups:
-  - apps
-  resources:
-  - daemonsets
-  verbs:
-  - get
-  - create
-  - patch
-  - delete
-- apiGroups:
-  - ""
-  resources:
-  - services/proxy
-  verbs:
-  - get
-- apiGroups:
-  - ""
-  resources:
-  - serviceaccounts
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - rbac.authorization.k8s.io
-  resources:
-  - roles
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - rbac.authorization.k8s.io
-  resources:
-  - rolebindings
-  verbs:
-  - get
-  - create
-  - delete
-- apiGroups:
-  - apps
-  - extensions
-  resources:
-  - pods
-  verbs:
-  - get
-  - list
-  - watch
-- apiGroups:
-  - apps
-  - extensions
-  resources:
-  - services
-  verbs:
-  - get
-  - list
-  - watch
-- apiGroups:
-  - ""
-  - apps
-  - extensions
-  resources:
-  - endpoints
-  verbs:
-  - get
-  - list
-  - watch
-```

README.md

@@ -1,157 +1,24 @@
-![Mizu: The API Traffic Viewer for Kubernetes](assets/mizu-logo.svg)
-
-# The API Traffic Viewer for Kubernetes
-
-A simple-yet-powerful API traffic viewer for Kubernetes to help you troubleshoot and debug your microservices. Think TCPDump and Chrome Dev Tools combined
-
-![Simple UI](assets/mizu-ui.png)
-
-## Features
-
-- Simple and powerful CLI
-- Real-time view of all HTTP requests, REST and gRPC API calls
-- No installation or code instrumentation
-- Works completely on premises
+# 水 mizu
+standalone web app traffic viewer for Kubernetes
 
 ## Download
 
-Download Mizu for your platform and operating system
+Download `mizu` for your platform and operating system
 
-### Latest Stable Release
+### Latest stable release
 
-* for MacOS - Intel 
-```
-curl -Lo mizu \
-https://github.com/up9inc/mizu/releases/latest/download/mizu_darwin_amd64 \
-&& chmod 755 mizu
-```
- 
-* for Linux - Intel 64bit
-```
-curl -Lo mizu \
-https://github.com/up9inc/mizu/releases/latest/download/mizu_linux_amd64 \
-&& chmod 755 mizu
-``` 
+* 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`
 
-SHA256 checksums are available on the [Releases](https://github.com/up9inc/mizu/releases) page
+### Development (unstable) build
+Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page.
 
-### Development (unstable) Build
-Pick one from the [Releases](https://github.com/up9inc/mizu/releases) page
+## How to run
 
-## Prerequisites
-1. Set `KUBECONFIG` environment variable to your Kubernetes configuration. If this is not set, Mizu assumes that configuration is at `${HOME}/.kube/config`
-2. `mizu` assumes user running the command has permissions to create resources (such as pods, services, namespaces) on your Kubernetes cluster (no worries - `mizu` resources are cleaned up upon termination)
-
-For detailed list of k8s permissions see [PERMISSIONS](PERMISSIONS.md) document
-
-
-## How to Run
-
-1. Find pods you'd like to tap to in your Kubernetes cluster
-2. Run `mizu tap` or `mizu tap PODNAME`  
-3. Open browser on `http://localhost:8899/mizu` **or** as instructed in the CLI
-4. Watch the API traffic flowing
-5. Type ^C to stop
+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 ..
 
 ## Examples
-
-Run `mizu help` for usage options
-
-To tap all pods in current namespace - 
-``` 
- $ kubectl get pods 
- NAME                            READY   STATUS    RESTARTS   AGE
- carts-66c77f5fbb-fq65r          2/2     Running   0          20m
- catalogue-5f4cb7cf5-7zrmn       2/2     Running   0          20m
- front-end-649fc5fd6-kqbtn       2/2     Running   0          20m
- ..
-
- $ mizu tap
- +carts-66c77f5fbb-fq65r
- +catalogue-5f4cb7cf5-7zrmn
- +front-end-649fc5fd6-kqbtn
- Web interface is now available at http://localhost:8899
- ^C
-```
-
-
-To tap specific pod - 
-```bash
- $ kubectl get pods 
- NAME                            READY   STATUS    RESTARTS   AGE
- front-end-649fc5fd6-kqbtn       2/2     Running   0          7m
- ..
-
- $ mizu tap front-end-649fc5fd6-kqbtn
- +front-end-649fc5fd6-kqbtn
- Web interface is now available at http://localhost:8899
- ^C
-```
-
-To tap multiple pods using regex - 
-```bash
- $ kubectl get pods 
- NAME                            READY   STATUS    RESTARTS   AGE
- carts-66c77f5fbb-fq65r          2/2     Running   0          20m
- catalogue-5f4cb7cf5-7zrmn       2/2     Running   0          20m
- front-end-649fc5fd6-kqbtn       2/2     Running   0          20m
- ..
-
- $ mizu tap "^ca.*"
- +carts-66c77f5fbb-fq65r
- +catalogue-5f4cb7cf5-7zrmn
- Web interface is now available at http://localhost:8899
- ^C
-```
-
-## Configuration
-
-Mizu can work with config file which should be stored in ${HOME}/.mizu/config.yaml (macOS: ~/.mizu/config.yaml) <br />
-In case no config file found, defaults will be used <br />
-In case of partial configuration defined, all other fields will be used with defaults <br />
-You can always override the defaults or config file with CLI flags
-
-To get the default config params run `mizu config` <br />
-To generate a new config file with default values use `mizu config -r`
-
-### Telemetry
-
-By default, mizu reports usage telemetry. It can be disabled by adding a line of `telemetry: false` in the `${HOME}/.mizu/config.yaml` file
-
-
-## Advanced Usage
-
-### Namespace-Restricted Mode
-
-Some users have permission to only manage resources in one particular namespace assigned to them
-By default `mizu tap` creates a new namespace `mizu` for all of its Kubernetes resources. In order to instead install
-Mizu in an existing namespace, set the `mizu-resources-namespace` config option
-
-If `mizu-resources-namespace` is set to a value other than the default `mizu`, Mizu will operate in a
-Namespace-Restricted mode. It will only tap pods in `mizu-resources-namespace`. This way Mizu only requires permissions
-to the namespace set by `mizu-resources-namespace`. The user must set the tapped namespace to the same namespace by
-using the `--namespace` flag or by setting `tap.namespaces` in the config file
-
-Setting `mizu-resources-namespace=mizu` resets Mizu to its default behavior
-
-### User agent filtering
-
-User-agent filtering (like health checks) - can be configured using command-line options:
-
-```shell
-$ mizu tap "^ca.*" --set ignored-user-agents=kube-probe --set ignored-user-agents=prometheus
-+carts-66c77f5fbb-fq65r
-+catalogue-5f4cb7cf5-7zrmn
-Web interface is now available at http://localhost:8899
-^C
-
-```
-Any request that contains `User-Agent` header with one of the specified values (`kube-probe` or `prometheus`) will not be captured
-
-### API Rules validation
-
-This feature allows you to define set of simple rules, and test the API against them.
-Such validation may test response for specific JSON fields, headers, etc.
-
-Please see [API RULES](docs/POLICY_RULES.md) page for more details and syntax.
-
+TBD

TESTING.md

@@ -1,15 +0,0 @@
-![Mizu: The API Traffic Viewer for Kubernetes](assets/mizu-logo.svg)
-# TESTING
-Testing guidelines for Mizu project 
-
-## Unit-tests
-* TBD 
-* TBD
-* TBD
-
-
-
-## System tests
-* TBD 
-* TBD
-* TBD

agent/main.go

@@ -1,224 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"flag"
-	"fmt"
-	"github.com/gin-contrib/static"
-	"github.com/gin-gonic/gin"
-	"github.com/gorilla/websocket"
-	"github.com/romana/rlog"
-	"github.com/up9inc/mizu/shared"
-	"github.com/up9inc/mizu/tap"
-	"mizuserver/pkg/api"
-	"mizuserver/pkg/models"
-	"mizuserver/pkg/routes"
-	"mizuserver/pkg/sensitiveDataFiltering"
-	"mizuserver/pkg/utils"
-	"net/http"
-	"os"
-	"os/signal"
-	"strings"
-)
-
-var tapperMode = flag.Bool("tap", false, "Run in tapper mode without API")
-var apiServerMode = flag.Bool("api-server", false, "Run in API server mode with API")
-var standaloneMode = flag.Bool("standalone", false, "Run in standalone tapper and API mode")
-var apiServerAddress = flag.String("api-server-address", "", "Address of mizu API server")
-var namespace = flag.String("namespace", "", "Resolve IPs if they belong to resources in this namespace (default is all)")
-
-func main() {
-	flag.Parse()
-	hostMode := os.Getenv(shared.HostModeEnvVar) == "1"
-	tapOpts := &tap.TapOpts{HostMode: hostMode}
-
-	if !*tapperMode && !*apiServerMode && !*standaloneMode {
-		panic("One of the flags --tap, --api or --standalone must be provided")
-	}
-
-	if *standaloneMode {
-		api.StartResolving(*namespace)
-
-		harOutputChannel, outboundLinkOutputChannel := tap.StartPassiveTapper(tapOpts)
-		filteredHarChannel := make(chan *tap.OutputChannelItem)
-
-		go filterHarItems(harOutputChannel, filteredHarChannel, getTrafficFilteringOptions())
-		go api.StartReadingEntries(filteredHarChannel, nil)
-		go api.StartReadingOutbound(outboundLinkOutputChannel)
-
-		hostApi(nil)
-	} else if *tapperMode {
-		if *apiServerAddress == "" {
-			panic("API server address must be provided with --api-server-address when using --tap")
-		}
-
-		tapTargets := getTapTargets()
-		if tapTargets != nil {
-			tap.SetFilterAuthorities(tapTargets)
-			rlog.Infof("Filtering for the following authorities: %v", tap.GetFilterIPs())
-		}
-
-		harOutputChannel, outboundLinkOutputChannel := tap.StartPassiveTapper(tapOpts)
-
-		socketConnection, err := shared.ConnectToSocketServer(*apiServerAddress, 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", *apiServerAddress, err))
-		}
-
-		go pipeTapChannelToSocket(socketConnection, harOutputChannel)
-		go pipeOutboundLinksChannelToSocket(socketConnection, outboundLinkOutputChannel)
-	} else if *apiServerMode {
-		api.StartResolving(*namespace)
-
-		socketHarOutChannel := make(chan *tap.OutputChannelItem, 1000)
-		filteredHarChannel := make(chan *tap.OutputChannelItem)
-
-		go filterHarItems(socketHarOutChannel, filteredHarChannel, getTrafficFilteringOptions())
-		go api.StartReadingEntries(filteredHarChannel, nil)
-
-		hostApi(socketHarOutChannel)
-	}
-
-	signalChan := make(chan os.Signal, 1)
-	signal.Notify(signalChan, os.Interrupt)
-	<-signalChan
-
-	rlog.Info("Exiting")
-}
-
-func hostApi(socketHarOutputChannel chan<- *tap.OutputChannelItem) {
-	app := gin.Default()
-
-	app.GET("/echo", func(c *gin.Context) {
-		c.String(http.StatusOK, "Here is Mizu agent")
-	})
-
-	eventHandlers := api.RoutesEventHandlers{
-		SocketHarOutChannel: socketHarOutputChannel,
-	}
-
-	app.Use(static.ServeRoot("/", "./site"))
-	app.Use(CORSMiddleware()) // This has to be called after the static middleware, does not work if its called before
-
-	api.WebSocketRoutes(app, &eventHandlers)
-	routes.EntriesRoutes(app)
-	routes.MetadataRoutes(app)
-	routes.StatusRoutes(app)
-	routes.NotFoundRoute(app)
-
-	utils.StartServer(app)
-}
-
-func CORSMiddleware() gin.HandlerFunc {
-	return func(c *gin.Context) {
-		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
-		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
-		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
-		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT")
-
-		if c.Request.Method == "OPTIONS" {
-			c.AbortWithStatus(204)
-			return
-		}
-
-		c.Next()
-	}
-}
-
-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 filterHarItems(inChannel <-chan *tap.OutputChannelItem, outChannel chan *tap.OutputChannelItem, filterOptions *shared.TrafficFilteringOptions) {
-	for message := range inChannel {
-		if message.ConnectionInfo.IsOutgoing && api.CheckIsServiceIP(message.ConnectionInfo.ServerIP) {
-			continue
-		}
-		// TODO: move this to tappers https://up9.atlassian.net/browse/TRA-3441
-		if isHealthCheckByUserAgent(message, filterOptions.HealthChecksUserAgentHeaders) {
-			continue
-		}
-
-		if !filterOptions.DisableRedaction {
-			sensitiveDataFiltering.FilterSensitiveInfoFromHarRequest(message, filterOptions)
-		}
-
-		outChannel <- message
-	}
-}
-
-func isHealthCheckByUserAgent(message *tap.OutputChannelItem, userAgentsToIgnore []string) bool {
-	for _, header := range message.HarEntry.Request.Headers {
-		if strings.ToLower(header.Name) == "user-agent" {
-			for _, userAgent := range userAgentsToIgnore {
-				if strings.Contains(strings.ToLower(header.Value), strings.ToLower(userAgent)) {
-					return true
-				}
-			}
-			return false
-		}
-	}
-	return false
-}
-
-func pipeTapChannelToSocket(connection *websocket.Conn, messageDataChannel <-chan *tap.OutputChannelItem) {
-	if connection == nil {
-		panic("Websocket connection is nil")
-	}
-
-	if messageDataChannel == nil {
-		panic("Channel of captured messages is nil")
-	}
-
-	for messageData := range messageDataChannel {
-		marshaledData, err := models.CreateWebsocketTappedEntryMessage(messageData)
-		if err != nil {
-			rlog.Infof("error converting message to json %s, (%v,%+v)\n", err, err, err)
-			continue
-		}
-
-		err = connection.WriteMessage(websocket.TextMessage, marshaledData)
-		if err != nil {
-			rlog.Infof("error sending message through socket server %s, (%v,%+v)\n", err, err, err)
-			continue
-		}
-	}
-}
-
-func pipeOutboundLinksChannelToSocket(connection *websocket.Conn, outboundLinkChannel <-chan *tap.OutboundLink) {
-	for outboundLink := range outboundLinkChannel {
-		if outboundLink.SuggestedProtocol == tap.TLSProtocol {
-			marshaledData, err := models.CreateWebsocketOutboundLinkMessage(outboundLink)
-			if err != nil {
-				rlog.Infof("Error converting outbound link to json %s, (%v,%+v)", err, err, err)
-				continue
-			}
-
-			err = connection.WriteMessage(websocket.TextMessage, marshaledData)
-			if err != nil {
-				rlog.Infof("error sending outbound link message through socket server %s, (%v,%+v)", err, err, err)
-				continue
-			}
-		}
-	}
-}

agent/pkg/api/main.go

@@ -1,202 +0,0 @@
-package api
-
-import (
-	"bufio"
-	"context"
-	"encoding/json"
-	"fmt"
-	"mizuserver/pkg/holder"
-	"net/url"
-	"os"
-	"path"
-	"sort"
-	"strings"
-	"time"
-
-	"github.com/google/martian/har"
-	"github.com/romana/rlog"
-	"github.com/up9inc/mizu/tap"
-	"go.mongodb.org/mongo-driver/bson/primitive"
-
-	"mizuserver/pkg/database"
-	"mizuserver/pkg/models"
-	"mizuserver/pkg/resolver"
-	"mizuserver/pkg/utils"
-)
-
-var k8sResolver *resolver.Resolver
-
-func StartResolving(namespace string) {
-	errOut := make(chan error, 100)
-	res, err := resolver.NewFromInCluster(errOut, namespace)
-	if err != nil {
-		rlog.Infof("error creating k8s resolver %s", err)
-		return
-	}
-	ctx := context.Background()
-	res.Start(ctx)
-	go func() {
-		for {
-			select {
-			case err := <-errOut:
-				rlog.Infof("name resolving error %s", err)
-			}
-		}
-	}()
-
-	k8sResolver = res
-	holder.SetResolver(res)
-}
-
-func StartReadingEntries(harChannel <-chan *tap.OutputChannelItem, workingDir *string) {
-	if workingDir != nil && *workingDir != "" {
-		startReadingFiles(*workingDir)
-	} else {
-		startReadingChannel(harChannel)
-	}
-}
-
-func startReadingFiles(workingDir string) {
-	err := os.MkdirAll(workingDir, os.ModePerm)
-	utils.CheckErr(err)
-
-	for true {
-		dir, _ := os.Open(workingDir)
-		dirFiles, _ := dir.Readdir(-1)
-
-		var harFiles []os.FileInfo
-		for _, fileInfo := range dirFiles {
-			if strings.HasSuffix(fileInfo.Name(), ".har") {
-				harFiles = append(harFiles, fileInfo)
-			}
-		}
-		sort.Sort(utils.ByModTime(harFiles))
-
-		if len(harFiles) == 0 {
-			rlog.Infof("Waiting for new files\n")
-			time.Sleep(3 * time.Second)
-			continue
-		}
-		fileInfo := harFiles[0]
-		inputFilePath := path.Join(workingDir, fileInfo.Name())
-		file, err := os.Open(inputFilePath)
-		utils.CheckErr(err)
-
-		var inputHar har.HAR
-		decErr := json.NewDecoder(bufio.NewReader(file)).Decode(&inputHar)
-		utils.CheckErr(decErr)
-
-		for _, entry := range inputHar.Log.Entries {
-			time.Sleep(time.Millisecond * 250)
-			connectionInfo := &tap.ConnectionInfo{
-				ClientIP:   fileInfo.Name(),
-				ClientPort: "",
-				ServerIP:   "",
-				ServerPort: "",
-				IsOutgoing: false,
-			}
-			saveHarToDb(entry, connectionInfo)
-		}
-		rmErr := os.Remove(inputFilePath)
-		utils.CheckErr(rmErr)
-	}
-}
-
-func startReadingChannel(outputItems <-chan *tap.OutputChannelItem) {
-	if outputItems == nil {
-		panic("Channel of captured messages is nil")
-	}
-
-	for item := range outputItems {
-		saveHarToDb(item.HarEntry, item.ConnectionInfo)
-	}
-}
-
-func StartReadingOutbound(outboundLinkChannel <-chan *tap.OutboundLink) {
-	// tcpStreamFactory will block on write to channel. Empty channel to unblock.
-	// TODO: Make write to channel optional.
-	for range outboundLinkChannel {
-	}
-}
-
-func saveHarToDb(entry *har.Entry, connectionInfo *tap.ConnectionInfo) {
-	entryBytes, _ := json.Marshal(entry)
-	serviceName, urlPath := getServiceNameFromUrl(entry.Request.URL)
-	entryId := primitive.NewObjectID().Hex()
-	var (
-		resolvedSource      string
-		resolvedDestination string
-	)
-	if k8sResolver != nil {
-		unresolvedSource := connectionInfo.ClientIP
-		resolvedSource = k8sResolver.Resolve(unresolvedSource)
-		if resolvedSource == "" {
-			rlog.Debugf("Cannot find resolved name to source: %s\n", unresolvedSource)
-			if os.Getenv("SKIP_NOT_RESOLVED_SOURCE") == "1" {
-				return
-			}
-		}
-		unresolvedDestination := fmt.Sprintf("%s:%s", connectionInfo.ServerIP, connectionInfo.ServerPort)
-		resolvedDestination = k8sResolver.Resolve(unresolvedDestination)
-		if resolvedDestination == "" {
-			rlog.Debugf("Cannot find resolved name to dest: %s\n", unresolvedDestination)
-			if os.Getenv("SKIP_NOT_RESOLVED_DEST") == "1" {
-				return
-			}
-		}
-	}
-
-	mizuEntry := models.MizuEntry{
-		EntryId:             entryId,
-		Entry:               string(entryBytes), // simple way to store it and not convert to bytes
-		Service:             serviceName,
-		Url:                 entry.Request.URL,
-		Path:                urlPath,
-		Method:              entry.Request.Method,
-		Status:              entry.Response.Status,
-		RequestSenderIp:     connectionInfo.ClientIP,
-		Timestamp:           entry.StartedDateTime.UnixNano() / int64(time.Millisecond),
-		ResolvedSource:      resolvedSource,
-		ResolvedDestination: resolvedDestination,
-		IsOutgoing:          connectionInfo.IsOutgoing,
-	}
-	mizuEntry.EstimatedSizeBytes = getEstimatedEntrySizeBytes(mizuEntry)
-	database.CreateEntry(&mizuEntry)
-
-	baseEntry := models.BaseEntryDetails{}
-	if err := models.GetEntry(&mizuEntry, &baseEntry); err != nil {
-		return
-	}
-	baseEntry.Rules = models.RunValidationRulesState(*entry, serviceName)
-	baseEntry.Latency = entry.Timings.Receive
-	baseEntryBytes, _ := models.CreateBaseEntryWebSocketMessage(&baseEntry)
-	BroadcastToBrowserClients(baseEntryBytes)
-}
-
-func getServiceNameFromUrl(inputUrl string) (string, string) {
-	parsed, err := url.Parse(inputUrl)
-	utils.CheckErr(err)
-	return fmt.Sprintf("%s://%s", parsed.Scheme, parsed.Host), parsed.Path
-}
-
-func CheckIsServiceIP(address string) bool {
-	return k8sResolver.CheckIsServiceIP(address)
-}
-
-// gives a rough estimate of the size this will take up in the db, good enough for maintaining db size limit accurately
-func getEstimatedEntrySizeBytes(mizuEntry models.MizuEntry) int {
-	sizeBytes := len(mizuEntry.Entry)
-	sizeBytes += len(mizuEntry.EntryId)
-	sizeBytes += len(mizuEntry.Service)
-	sizeBytes += len(mizuEntry.Url)
-	sizeBytes += len(mizuEntry.Method)
-	sizeBytes += len(mizuEntry.RequestSenderIp)
-	sizeBytes += len(mizuEntry.ResolvedDestination)
-	sizeBytes += len(mizuEntry.ResolvedSource)
-	sizeBytes += 8 // Status bytes (sqlite integer is always 8 bytes)
-	sizeBytes += 8 // Timestamp bytes
-	sizeBytes += 8 // SizeBytes bytes
-	sizeBytes += 1 // IsOutgoing bytes
-
-	return sizeBytes
-}

agent/pkg/api/socket_routes.go

@@ -1,118 +0,0 @@
-package api
-
-import (
-	"errors"
-	"github.com/gin-gonic/gin"
-	"github.com/gorilla/websocket"
-	"github.com/romana/rlog"
-	"github.com/up9inc/mizu/shared/debounce"
-	"net/http"
-	"sync"
-	"time"
-)
-
-type EventHandlers interface {
-	WebSocketConnect(socketId int, isTapper bool)
-	WebSocketDisconnect(socketId int, isTapper bool)
-	WebSocketMessage(socketId int, message []byte)
-}
-
-type SocketConnection struct {
-	connection    *websocket.Conn
-	lock          *sync.Mutex
-	eventHandlers EventHandlers
-	isTapper      bool
-}
-
-var websocketUpgrader = websocket.Upgrader{
-	ReadBufferSize:  1024,
-	WriteBufferSize: 1024,
-}
-
-var websocketIdsLock = sync.Mutex{}
-var connectedWebsockets map[int]*SocketConnection
-var connectedWebsocketIdCounter = 0
-
-func init() {
-	websocketUpgrader.CheckOrigin = func(r *http.Request) bool { return true } // like cors for web socket
-	connectedWebsockets = make(map[int]*SocketConnection, 0)
-}
-
-func WebSocketRoutes(app *gin.Engine, eventHandlers EventHandlers) {
-	app.GET("/ws", func(c *gin.Context) {
-		websocketHandler(c.Writer, c.Request, eventHandlers, false)
-	})
-	app.GET("/wsTapper", func(c *gin.Context) {
-		websocketHandler(c.Writer, c.Request, eventHandlers, true)
-	})
-}
-
-func websocketHandler(w http.ResponseWriter, r *http.Request, eventHandlers EventHandlers, isTapper bool) {
-	conn, err := websocketUpgrader.Upgrade(w, r, nil)
-	if err != nil {
-		rlog.Errorf("Failed to set websocket upgrade: %v", err)
-		return
-	}
-
-	websocketIdsLock.Lock()
-
-	connectedWebsocketIdCounter++
-	socketId := connectedWebsocketIdCounter
-	connectedWebsockets[socketId] = &SocketConnection{connection: conn, lock: &sync.Mutex{}, eventHandlers: eventHandlers, isTapper: isTapper}
-
-	websocketIdsLock.Unlock()
-
-	defer func() {
-		socketCleanup(socketId, connectedWebsockets[socketId])
-	}()
-
-	eventHandlers.WebSocketConnect(socketId, isTapper)
-
-	for {
-		_, msg, err := conn.ReadMessage()
-		if err != nil {
-			rlog.Errorf("Error reading message, socket id: %d, error: %v", socketId, err)
-			break
-		}
-		eventHandlers.WebSocketMessage(socketId, msg)
-	}
-}
-
-func socketCleanup(socketId int, socketConnection *SocketConnection) {
-	err := socketConnection.connection.Close()
-	if err != nil {
-		rlog.Errorf("Error closing socket connection for socket id %d: %v\n", socketId, err)
-	}
-
-	websocketIdsLock.Lock()
-	connectedWebsockets[socketId] = nil
-	websocketIdsLock.Unlock()
-
-	socketConnection.eventHandlers.WebSocketDisconnect(socketId, socketConnection.isTapper)
-}
-
-var db = debounce.NewDebouncer(time.Second*5, func() {
-	rlog.Error("Successfully sent to socket")
-})
-
-func SendToSocket(socketId int, message []byte) error {
-	socketObj := connectedWebsockets[socketId]
-	if socketObj == nil {
-		return errors.New("Socket is disconnected")
-	}
-
-	var sent = false
-	time.AfterFunc(time.Second*5, func() {
-		if !sent {
-			rlog.Error("Socket timed out")
-			socketCleanup(socketId, socketObj)
-		}
-	})
-
-	socketObj.lock.Lock() // gorilla socket panics from concurrent writes to a single socket
-	err := socketObj.connection.WriteMessage(1, message)
-	socketObj.lock.Unlock()
-
-	sent = true
-	return err
-}

agent/pkg/api/socket_server_handlers.go

@@ -1,130 +0,0 @@
-package api
-
-import (
-	"encoding/json"
-	"fmt"
-	"mizuserver/pkg/models"
-	"mizuserver/pkg/providers"
-	"mizuserver/pkg/up9"
-	"sync"
-
-	"github.com/romana/rlog"
-	"github.com/up9inc/mizu/shared"
-	"github.com/up9inc/mizu/tap"
-)
-
-var browserClientSocketUUIDs = make([]int, 0)
-var socketListLock = sync.Mutex{}
-
-type RoutesEventHandlers struct {
-	EventHandlers
-	SocketHarOutChannel chan<- *tap.OutputChannelItem
-}
-
-func init() {
-	go up9.UpdateAnalyzeStatus(BroadcastToBrowserClients)
-}
-
-func (h *RoutesEventHandlers) WebSocketConnect(socketId int, isTapper bool) {
-	if isTapper {
-		rlog.Infof("Websocket event - Tapper connected, socket ID: %d", socketId)
-	} else {
-		rlog.Infof("Websocket event - Browser socket connected, socket ID: %d", socketId)
-		socketListLock.Lock()
-		browserClientSocketUUIDs = append(browserClientSocketUUIDs, socketId)
-		socketListLock.Unlock()
-	}
-}
-
-func (h *RoutesEventHandlers) WebSocketDisconnect(socketId int, isTapper bool) {
-	if isTapper {
-		rlog.Infof("Websocket event - Tapper disconnected, socket ID:  %d", socketId)
-	} else {
-		rlog.Infof("Websocket event - Browser socket disconnected, socket ID:  %d", socketId)
-		socketListLock.Lock()
-		removeSocketUUIDFromBrowserSlice(socketId)
-		socketListLock.Unlock()
-	}
-}
-
-func BroadcastToBrowserClients(message []byte) {
-	for _, socketId := range browserClientSocketUUIDs {
-		go func(socketId int) {
-			err := SendToSocket(socketId, message)
-			if err != nil {
-				rlog.Errorf("error sending message to socket ID %d: %v", socketId, err)
-			}
-		}(socketId)
-	}
-}
-
-func (h *RoutesEventHandlers) WebSocketMessage(_ int, message []byte) {
-	var socketMessageBase shared.WebSocketMessageMetadata
-	err := json.Unmarshal(message, &socketMessageBase)
-	if err != nil {
-		rlog.Infof("Could not unmarshal websocket message %v\n", err)
-	} else {
-		switch socketMessageBase.MessageType {
-		case shared.WebSocketMessageTypeTappedEntry:
-			var tappedEntryMessage models.WebSocketTappedEntryMessage
-			err := json.Unmarshal(message, &tappedEntryMessage)
-			if err != nil {
-				rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
-			} else {
-				h.SocketHarOutChannel <- tappedEntryMessage.Data
-			}
-		case shared.WebSocketMessageTypeUpdateStatus:
-			var statusMessage shared.WebSocketStatusMessage
-			err := json.Unmarshal(message, &statusMessage)
-			if err != nil {
-				rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
-			} else {
-				providers.TapStatus.Pods = statusMessage.TappingStatus.Pods
-				BroadcastToBrowserClients(message)
-			}
-		case shared.WebsocketMessageTypeOutboundLink:
-			var outboundLinkMessage models.WebsocketOutboundLinkMessage
-			err := json.Unmarshal(message, &outboundLinkMessage)
-			if err != nil {
-				rlog.Infof("Could not unmarshal message of message type %s %v\n", socketMessageBase.MessageType, err)
-			} else {
-				handleTLSLink(outboundLinkMessage)
-			}
-		default:
-			rlog.Infof("Received socket message of type %s for which no handlers are defined", socketMessageBase.MessageType)
-		}
-	}
-}
-
-func handleTLSLink(outboundLinkMessage models.WebsocketOutboundLinkMessage) {
-	resolvedName := k8sResolver.Resolve(outboundLinkMessage.Data.DstIP)
-	if resolvedName != "" {
-		outboundLinkMessage.Data.DstIP = resolvedName
-	} else if outboundLinkMessage.Data.SuggestedResolvedName != "" {
-		outboundLinkMessage.Data.DstIP = outboundLinkMessage.Data.SuggestedResolvedName
-	}
-	cacheKey := fmt.Sprintf("%s -> %s:%d", outboundLinkMessage.Data.Src, outboundLinkMessage.Data.DstIP, outboundLinkMessage.Data.DstPort)
-	_, isInCache := providers.RecentTLSLinks.Get(cacheKey)
-	if isInCache {
-		return
-	} else {
-		providers.RecentTLSLinks.SetDefault(cacheKey, outboundLinkMessage.Data)
-	}
-	marshaledMessage, err := json.Marshal(outboundLinkMessage)
-	if err != nil {
-		rlog.Errorf("Error marshaling outbound link message for broadcasting: %v", err)
-	} else {
-		rlog.Errorf("Broadcasting outboundlink message %s", string(marshaledMessage))
-		BroadcastToBrowserClients(marshaledMessage)
-	}
-}
-
-func removeSocketUUIDFromBrowserSlice(uuidToRemove int) {
-	newUUIDSlice := make([]int, 0, len(browserClientSocketUUIDs))
-	for _, uuid := range browserClientSocketUUIDs {
-		if uuid != uuidToRemove {
-			newUUIDSlice = append(newUUIDSlice, uuid)
-		}
-	}
-	browserClientSocketUUIDs = newUUIDSlice
-}

agent/pkg/controllers/entries_controller.go

@@ -1,264 +0,0 @@
-package controllers
-
-import (
-	"encoding/json"
-	"fmt"
-	"mizuserver/pkg/database"
-	"mizuserver/pkg/models"
-	"mizuserver/pkg/providers"
-	"mizuserver/pkg/up9"
-	"mizuserver/pkg/utils"
-	"mizuserver/pkg/validation"
-	"net/http"
-	"strings"
-	"time"
-
-	"github.com/gin-gonic/gin"
-	"github.com/google/martian/har"
-	"github.com/romana/rlog"
-)
-
-func GetEntries(c *gin.Context) {
-	entriesFilter := &models.EntriesFilter{}
-
-	if err := c.BindQuery(entriesFilter); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-	}
-	err := validation.Validate(entriesFilter)
-	if err != nil {
-		c.JSON(http.StatusBadRequest, err)
-	}
-
-	order := database.OperatorToOrderMapping[entriesFilter.Operator]
-	operatorSymbol := database.OperatorToSymbolMapping[entriesFilter.Operator]
-	var entries []models.MizuEntry
-	database.GetEntriesTable().
-		Order(fmt.Sprintf("timestamp %s", order)).
-		Where(fmt.Sprintf("timestamp %s %v", operatorSymbol, entriesFilter.Timestamp)).
-		Omit("entry"). // remove the "big" entry field
-		Limit(entriesFilter.Limit).
-		Find(&entries)
-
-	if len(entries) > 0 && order == database.OrderDesc {
-		// the entries always order from oldest to newest so we should revers
-		utils.ReverseSlice(entries)
-	}
-
-	baseEntries := make([]models.BaseEntryDetails, 0)
-	for _, data := range entries {
-		harEntry := models.BaseEntryDetails{}
-		if err := models.GetEntry(&data, &harEntry); err != nil {
-			continue
-		}
-		baseEntries = append(baseEntries, harEntry)
-	}
-
-	c.JSON(http.StatusOK, baseEntries)
-}
-
-func GetHARs(c *gin.Context) {
-	entriesFilter := &models.HarFetchRequestQuery{}
-	order := database.OrderDesc
-	if err := c.BindQuery(entriesFilter); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-	}
-	err := validation.Validate(entriesFilter)
-	if err != nil {
-		c.JSON(http.StatusBadRequest, err)
-	}
-
-	var timestampFrom, timestampTo int64
-
-	if entriesFilter.From < 0 {
-		timestampFrom = 0
-	} else {
-		timestampFrom = entriesFilter.From
-	}
-	if entriesFilter.To <= 0 {
-		timestampTo = time.Now().UnixNano() / int64(time.Millisecond)
-	} else {
-		timestampTo = entriesFilter.To
-	}
-
-	var entries []models.MizuEntry
-	database.GetEntriesTable().
-		Where(fmt.Sprintf("timestamp BETWEEN %v AND %v", timestampFrom, timestampTo)).
-		Order(fmt.Sprintf("timestamp %s", order)).
-		Find(&entries)
-
-	if len(entries) > 0 {
-		// the entries always order from oldest to newest so we should revers
-		utils.ReverseSlice(entries)
-	}
-
-	harsObject := map[string]*models.ExtendedHAR{}
-
-	for _, entryData := range entries {
-		var harEntry har.Entry
-		_ = json.Unmarshal([]byte(entryData.Entry), &harEntry)
-		if entryData.ResolvedDestination != "" {
-			harEntry.Request.URL = utils.SetHostname(harEntry.Request.URL, entryData.ResolvedDestination)
-		}
-
-		var fileName string
-		sourceOfEntry := entryData.ResolvedSource
-		if sourceOfEntry != "" {
-			// naively assumes the proper service source is http
-			sourceOfEntry = fmt.Sprintf("http://%s", sourceOfEntry)
-			//replace / from the file name cause they end up creating a corrupted folder
-			fileName = fmt.Sprintf("%s.har", strings.ReplaceAll(sourceOfEntry, "/", "_"))
-		} else {
-			fileName = "unknown_source.har"
-		}
-		if harOfSource, ok := harsObject[fileName]; ok {
-			harOfSource.Log.Entries = append(harOfSource.Log.Entries, &harEntry)
-		} else {
-			var entriesHar []*har.Entry
-			entriesHar = append(entriesHar, &harEntry)
-			harsObject[fileName] = &models.ExtendedHAR{
-				Log: &models.ExtendedLog{
-					Version: "1.2",
-					Creator: &models.ExtendedCreator{
-						Creator: &har.Creator{
-							Name:    "mizu",
-							Version: "0.0.2",
-						},
-					},
-					Entries: entriesHar,
-				},
-			}
-			// leave undefined when no source is present, otherwise modeler assumes source is empty string ""
-			if sourceOfEntry != "" {
-				harsObject[fileName].Log.Creator.Source = &sourceOfEntry
-			}
-		}
-	}
-
-	retObj := map[string][]byte{}
-	for k, v := range harsObject {
-		bytesData, _ := json.Marshal(v)
-		retObj[k] = bytesData
-	}
-	buffer := utils.ZipData(retObj)
-	c.Data(http.StatusOK, "application/octet-stream", buffer.Bytes())
-}
-
-func UploadEntries(c *gin.Context) {
-	rlog.Infof("Upload entries - started\n")
-
-	uploadParams := &models.UploadEntriesRequestQuery{}
-	if err := c.BindQuery(uploadParams); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-		return
-	}
-	if err := validation.Validate(uploadParams); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-		return
-	}
-	if up9.GetAnalyzeInfo().IsAnalyzing {
-		c.String(http.StatusBadRequest, "Cannot analyze, mizu is already analyzing")
-		return
-	}
-
-	rlog.Infof("Upload entries - creating token. dest %s\n", uploadParams.Dest)
-	token, err := up9.CreateAnonymousToken(uploadParams.Dest)
-	if err != nil {
-		c.String(http.StatusServiceUnavailable, "Cannot analyze, mizu is already analyzing")
-		return
-	}
-	rlog.Infof("Upload entries - uploading. token: %s model: %s\n", token.Token, token.Model)
-	go up9.UploadEntriesImpl(token.Token, token.Model, uploadParams.Dest, uploadParams.SleepIntervalSec)
-	c.String(http.StatusOK, "OK")
-}
-
-func GetFullEntries(c *gin.Context) {
-	entriesFilter := &models.HarFetchRequestQuery{}
-	if err := c.BindQuery(entriesFilter); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-	}
-	err := validation.Validate(entriesFilter)
-	if err != nil {
-		c.JSON(http.StatusBadRequest, err)
-	}
-
-	var timestampFrom, timestampTo int64
-
-	if entriesFilter.From < 0 {
-		timestampFrom = 0
-	} else {
-		timestampFrom = entriesFilter.From
-	}
-	if entriesFilter.To <= 0 {
-		timestampTo = time.Now().UnixNano() / int64(time.Millisecond)
-	} else {
-		timestampTo = entriesFilter.To
-	}
-
-	entriesArray := database.GetEntriesFromDb(timestampFrom, timestampTo)
-	result := make([]models.FullEntryDetails, 0)
-	for _, data := range entriesArray {
-		harEntry := models.FullEntryDetails{}
-		if err := models.GetEntry(&data, &harEntry); err != nil {
-			continue
-		}
-		result = append(result, harEntry)
-	}
-	c.JSON(http.StatusOK, result)
-}
-
-func GetEntry(c *gin.Context) {
-	var entryData models.MizuEntry
-	database.GetEntriesTable().
-		Where(map[string]string{"entryId": c.Param("entryId")}).
-		First(&entryData)
-
-	fullEntry := models.FullEntryDetails{}
-	if err := models.GetEntry(&entryData, &fullEntry); err != nil {
-		c.JSON(http.StatusInternalServerError, map[string]interface{}{
-			"error": true,
-			"msg":   "Can't get entry details",
-		})
-	}
-	fullEntryWithPolicy := models.FullEntryWithPolicy{}
-	if err := models.GetEntry(&entryData, &fullEntryWithPolicy); err != nil {
-		c.JSON(http.StatusInternalServerError, map[string]interface{}{
-			"error": true,
-			"msg":   "Can't get entry details",
-		})
-	}
-	c.JSON(http.StatusOK, fullEntryWithPolicy)
-}
-
-func DeleteAllEntries(c *gin.Context) {
-	database.GetEntriesTable().
-		Where("1 = 1").
-		Delete(&models.MizuEntry{})
-
-	c.JSON(http.StatusOK, map[string]string{
-		"msg": "Success",
-	})
-
-}
-
-func GetGeneralStats(c *gin.Context) {
-	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)
-	c.JSON(http.StatusOK, result)
-}
-
-func GetTappingStatus(c *gin.Context) {
-	c.JSON(http.StatusOK, providers.TapStatus)
-}
-
-func AnalyzeInformation(c *gin.Context) {
-	c.JSON(http.StatusOK, up9.GetAnalyzeInfo())
-}
-
-func GetRecentTLSLinks(c *gin.Context) {
-	c.JSON(http.StatusOK, providers.GetAllRecentTLSAddresses())
-}

agent/pkg/controllers/metadata_controller.go

@@ -1,13 +0,0 @@
-package controllers
-
-import (
-	"github.com/gin-gonic/gin"
-	"github.com/up9inc/mizu/shared"
-	"mizuserver/pkg/version"
-	"net/http"
-)
-
-func GetVersion(c *gin.Context) {
-	resp := shared.VersionResponse{SemVer: version.SemVer}
-	c.JSON(http.StatusOK, resp)
-}

agent/pkg/controllers/resolving_controller.go

@@ -1,12 +0,0 @@
-package controllers
-
-import (
-	"github.com/gin-gonic/gin"
-	"mizuserver/pkg/holder"
-	"net/http"
-)
-
-func GetCurrentResolvingInformation(c *gin.Context) {
-	c.JSON(http.StatusOK, holder.GetResolver().GetMap())
-}
-

agent/pkg/controllers/status_controller.go

@@ -1,32 +0,0 @@
-package controllers
-
-import (
-	"encoding/json"
-	"github.com/gin-gonic/gin"
-	"github.com/romana/rlog"
-	"github.com/up9inc/mizu/shared"
-	"mizuserver/pkg/api"
-	"mizuserver/pkg/providers"
-	"mizuserver/pkg/validation"
-	"net/http"
-)
-
-func PostTappedPods(c *gin.Context) {
-	tapStatus := &shared.TapStatus{}
-	if err := c.Bind(tapStatus); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-		return
-	}
-	if err := validation.Validate(tapStatus); err != nil {
-		c.JSON(http.StatusBadRequest, err)
-		return
-	}
-	rlog.Infof("[Status] POST request: %d tapped pods", len(tapStatus.Pods))
-	providers.TapStatus.Pods = tapStatus.Pods
-	message := shared.CreateWebSocketStatusMessage(*tapStatus)
-	if jsonBytes, err := json.Marshal(message); err != nil {
-		rlog.Errorf("Could not Marshal message %v\n", err)
-	} else {
-		api.BroadcastToBrowserClients(jsonBytes)
-	}
-}

agent/pkg/database/main.go

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

agent/pkg/database/size_enforcer.go

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

agent/pkg/holder/main.go

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

agent/pkg/models/models.go

@@ -1,226 +0,0 @@
-package models
-
-import (
-	"encoding/json"
-
-	"mizuserver/pkg/rules"
-	"mizuserver/pkg/utils"
-	"time"
-
-	"github.com/google/martian/har"
-	"github.com/up9inc/mizu/shared"
-	"github.com/up9inc/mizu/tap"
-)
-
-type DataUnmarshaler interface {
-	UnmarshalData(*MizuEntry) error
-}
-
-func GetEntry(r *MizuEntry, v DataUnmarshaler) error {
-	return v.UnmarshalData(r)
-}
-
-type MizuEntry struct {
-	ID                  uint `gorm:"primarykey"`
-	CreatedAt           time.Time
-	UpdatedAt           time.Time
-	Entry               string `json:"entry,omitempty" gorm:"column:entry"`
-	EntryId             string `json:"entryId" gorm:"column:entryId"`
-	Url                 string `json:"url" gorm:"column:url"`
-	Method              string `json:"method" gorm:"column:method"`
-	Status              int    `json:"status" gorm:"column:status"`
-	RequestSenderIp     string `json:"requestSenderIp" gorm:"column:requestSenderIp"`
-	Service             string `json:"service" gorm:"column:service"`
-	Timestamp           int64  `json:"timestamp" gorm:"column:timestamp"`
-	Path                string `json:"path" gorm:"column:path"`
-	ResolvedSource      string `json:"resolvedSource,omitempty" gorm:"column:resolvedSource"`
-	ResolvedDestination string `json:"resolvedDestination,omitempty" gorm:"column:resolvedDestination"`
-	IsOutgoing          bool   `json:"isOutgoing,omitempty" gorm:"column:isOutgoing"`
-	EstimatedSizeBytes  int    `json:"-" gorm:"column:estimatedSizeBytes"`
-}
-
-type BaseEntryDetails struct {
-	Id              string          `json:"id,omitempty"`
-	Url             string          `json:"url,omitempty"`
-	RequestSenderIp string          `json:"requestSenderIp,omitempty"`
-	Service         string          `json:"service,omitempty"`
-	Path            string          `json:"path,omitempty"`
-	StatusCode      int             `json:"statusCode,omitempty"`
-	Method          string          `json:"method,omitempty"`
-	Timestamp       int64           `json:"timestamp,omitempty"`
-	IsOutgoing      bool            `json:"isOutgoing,omitempty"`
-	Latency         int64           `json:"latency,omitempty"`
-	Rules           ApplicableRules `json:"rules,omitempty"`
-}
-
-type ApplicableRules struct {
-	Latency int64 `json:"latency,omitempty"`
-	Status  bool  `json:"status,omitempty"`
-	NumberOfRules int `json:"numberOfRules,omitempty"`
-}
-
-func NewApplicableRules(status bool, latency int64, number int) ApplicableRules {
-	ar := ApplicableRules{}
-	ar.Status = status
-	ar.Latency = latency
-	ar.NumberOfRules = number
-	return ar
-}
-
-type FullEntryDetails struct {
-	har.Entry
-}
-
-type FullEntryDetailsExtra struct {
-	har.Entry
-}
-
-func (bed *BaseEntryDetails) UnmarshalData(entry *MizuEntry) error {
-	entryUrl := entry.Url
-	service := entry.Service
-	if entry.ResolvedDestination != "" {
-		entryUrl = utils.SetHostname(entryUrl, entry.ResolvedDestination)
-		service = utils.SetHostname(service, entry.ResolvedDestination)
-	}
-	bed.Id = entry.EntryId
-	bed.Url = entryUrl
-	bed.Service = service
-	bed.Path = entry.Path
-	bed.StatusCode = entry.Status
-	bed.Method = entry.Method
-	bed.Timestamp = entry.Timestamp
-	bed.RequestSenderIp = entry.RequestSenderIp
-	bed.IsOutgoing = entry.IsOutgoing
-	return nil
-}
-
-func (fed *FullEntryDetails) UnmarshalData(entry *MizuEntry) error {
-	if err := json.Unmarshal([]byte(entry.Entry), &fed.Entry); err != nil {
-		return err
-	}
-
-	if entry.ResolvedDestination != "" {
-		fed.Entry.Request.URL = utils.SetHostname(fed.Entry.Request.URL, entry.ResolvedDestination)
-	}
-	return nil
-}
-
-func (fedex *FullEntryDetailsExtra) UnmarshalData(entry *MizuEntry) error {
-	if err := json.Unmarshal([]byte(entry.Entry), &fedex.Entry); err != nil {
-		return err
-	}
-
-	if entry.ResolvedSource != "" {
-		fedex.Entry.Request.Headers = append(fedex.Request.Headers, har.Header{Name: "x-mizu-source", Value: entry.ResolvedSource})
-	}
-	if entry.ResolvedDestination != "" {
-		fedex.Entry.Request.Headers = append(fedex.Request.Headers, har.Header{Name: "x-mizu-destination", Value: entry.ResolvedDestination})
-		fedex.Entry.Request.URL = utils.SetHostname(fedex.Entry.Request.URL, entry.ResolvedDestination)
-	}
-	return nil
-}
-
-type EntriesFilter struct {
-	Limit     int    `form:"limit" validate:"required,min=1,max=200"`
-	Operator  string `form:"operator" validate:"required,oneof='lt' 'gt'"`
-	Timestamp int64  `form:"timestamp" validate:"required,min=1"`
-}
-
-type UploadEntriesRequestQuery struct {
-	Dest             string `form:"dest"`
-	SleepIntervalSec int    `form:"interval"`
-}
-
-type HarFetchRequestQuery struct {
-	From int64 `form:"from"`
-	To   int64 `form:"to"`
-}
-
-type WebSocketEntryMessage struct {
-	*shared.WebSocketMessageMetadata
-	Data *BaseEntryDetails `json:"data,omitempty"`
-}
-
-type WebSocketTappedEntryMessage struct {
-	*shared.WebSocketMessageMetadata
-	Data *tap.OutputChannelItem
-}
-
-type WebsocketOutboundLinkMessage struct {
-	*shared.WebSocketMessageMetadata
-	Data *tap.OutboundLink
-}
-
-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)
-}
-
-func CreateWebsocketOutboundLinkMessage(base *tap.OutboundLink) ([]byte, error) {
-	message := &WebsocketOutboundLinkMessage{
-		WebSocketMessageMetadata: &shared.WebSocketMessageMetadata{
-			MessageType: shared.WebsocketMessageTypeOutboundLink,
-		},
-		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"`
-}
-
-type FullEntryWithPolicy struct {
-	RulesMatched []rules.RulesMatched `json:"rulesMatched,omitempty"`
-	Entry        har.Entry            `json:"entry"`
-	Service      string               `json:"service"`
-}
-
-func (fewp *FullEntryWithPolicy) UnmarshalData(entry *MizuEntry) error {
-	if err := json.Unmarshal([]byte(entry.Entry), &fewp.Entry); err != nil {
-		return err
-	}
-
-	_, resultPolicyToSend := rules.MatchRequestPolicy(fewp.Entry, entry.Service)
-	fewp.RulesMatched = resultPolicyToSend
-	fewp.Service = entry.Service
-	return nil
-}
-
-func RunValidationRulesState(harEntry har.Entry, service string) ApplicableRules {
-	numberOfRules, resultPolicyToSend := rules.MatchRequestPolicy(harEntry, service)
-	statusPolicyToSend, latency, numberOfRules := rules.PassedValidationRules(resultPolicyToSend, numberOfRules)
-	ar := NewApplicableRules(statusPolicyToSend, latency, numberOfRules)
-	return ar
-}

agent/pkg/providers/status_provider.go

@@ -1,28 +0,0 @@
-package providers
-
-import (
-	"github.com/patrickmn/go-cache"
-	"github.com/up9inc/mizu/shared"
-	"github.com/up9inc/mizu/tap"
-	"time"
-)
-
-const tlsLinkRetainmentTime = time.Minute * 15
-
-var (
-	TapStatus shared.TapStatus
-	RecentTLSLinks = cache.New(tlsLinkRetainmentTime, tlsLinkRetainmentTime)
-)
-
-func GetAllRecentTLSAddresses() []string {
-	recentTLSLinks := make([]string, 0)
-
-	for _, outboundLinkItem := range RecentTLSLinks.Items() {
-		outboundLink, castOk := outboundLinkItem.Object.(*tap.OutboundLink)
-		if castOk {
-			recentTLSLinks = append(recentTLSLinks, outboundLink.DstIP)
-		}
-	}
-
-	return recentTLSLinks
-}

agent/pkg/resolver/loader.go

@@ -1,23 +0,0 @@
-package resolver
-
-import (
-	cmap "github.com/orcaman/concurrent-map"
-	"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"
-)
-
-func NewFromInCluster(errOut chan error, namesapce string) (*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: cmap.New(), serviceMap: cmap.New(), errOut: errOut, namespace: namesapce}, nil
-}

agent/pkg/resolver/resolver.go

@@ -1,192 +0,0 @@
-package resolver
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"github.com/romana/rlog"
-	k8serrors "k8s.io/apimachinery/pkg/api/errors"
-
-	"github.com/orcaman/concurrent-map"
-	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      cmap.ConcurrentMap
-	serviceMap   cmap.ConcurrentMap
-	isStarted    bool
-	errOut       chan error
-	namespace    string
-}
-
-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.Get(name)
-	if !isFound {
-		return ""
-	}
-	return resolvedName.(string)
-}
-
-func (resolver *Resolver) GetMap() cmap.ConcurrentMap {
-	return resolver.nameMap
-}
-
-func (resolver *Resolver) CheckIsServiceIP(address string) bool {
-	_, isFound := resolver.serviceMap.Get(address)
-	return isFound
-}
-
-func (resolver *Resolver) watchPods(ctx context.Context) error {
-	// empty namespace makes the client watch all namespaces
-	watcher, err := resolver.clientSet.CoreV1().Pods(resolver.namespace).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(resolver.namespace).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(resolver.namespace).Watch(ctx, metav1.ListOptions{Watch: true})
-	if err != nil {
-		return err
-	}
-	for {
-		select {
-		case event := <-watcher.ResultChan():
-			if event.Object == nil {
-				return errors.New("error in kubectl service watch")
-			}
-
-			service := event.Object.(*corev1.Service)
-			serviceHostname := fmt.Sprintf("%s.%s", service.Name, service.Namespace)
-			if service.Spec.ClusterIP != "" && service.Spec.ClusterIP != kubClientNullString {
-				resolver.saveResolvedName(service.Spec.ClusterIP, serviceHostname, event.Type)
-				resolver.saveServiceIP(service.Spec.ClusterIP, serviceHostname, event.Type)
-			}
-			if service.Status.LoadBalancer.Ingress != nil {
-				for _, ingress := range service.Status.LoadBalancer.Ingress {
-					resolver.saveResolvedName(ingress.IP, serviceHostname, event.Type)
-				}
-			}
-		case <-ctx.Done():
-			watcher.Stop()
-			return nil
-		}
-	}
-}
-
-func (resolver *Resolver) saveResolvedName(key string, resolved string, eventType watch.EventType) {
-	if eventType == watch.Deleted {
-		resolver.nameMap.Remove(key)
-		rlog.Infof("setting %s=nil\n", key)
-	} else {
-		resolver.nameMap.Set(key, resolved)
-		rlog.Infof("setting %s=%s\n", key, resolved)
-	}
-}
-
-func (resolver *Resolver) saveServiceIP(key string, resolved string, eventType watch.EventType) {
-	if eventType == watch.Deleted {
-		resolver.serviceMap.Remove(key)
-	} else {
-		resolver.serviceMap.Set(key, resolved)
-	}
-}
-
-func (resolver *Resolver) infiniteErrorHandleRetryFunc(ctx context.Context, fun func(ctx context.Context) error) {
-	for {
-		err := fun(ctx)
-		if err != nil {
-			resolver.errOut <- err
-
-			var statusError *k8serrors.StatusError
-			if errors.As(err, &statusError) {
-				if statusError.ErrStatus.Reason == metav1.StatusReasonForbidden {
-					rlog.Infof("Resolver loop encountered permission error, aborting event listening - %v\n", err)
-					return
-				}
-			}
-		}
-		if ctx.Err() != nil { // context was cancelled or errored
-			return
-		}
-	}
-}

agent/pkg/routes/entries_routes.go

@@ -1,26 +0,0 @@
-package routes
-
-import (
-	"github.com/gin-gonic/gin"
-	"mizuserver/pkg/controllers"
-)
-
-// EntriesRoutes defines the group of har entries routes.
-func EntriesRoutes(ginApp *gin.Engine) {
-	routeGroup := ginApp.Group("/api")
-
-	routeGroup.GET("/entries", controllers.GetEntries)        // get entries (base/thin entries)
-	routeGroup.GET("/entries/:entryId", controllers.GetEntry) // get single (full) entry
-	routeGroup.GET("/exportEntries", controllers.GetFullEntries)
-	routeGroup.GET("/uploadEntries", controllers.UploadEntries)
-	routeGroup.GET("/resolving", controllers.GetCurrentResolvingInformation)
-
-	routeGroup.GET("/har", controllers.GetHARs)
-
-	routeGroup.GET("/resetDB", controllers.DeleteAllEntries)     // get single (full) entry
-	routeGroup.GET("/generalStats", controllers.GetGeneralStats) // get general stats about entries in DB
-
-	routeGroup.GET("/tapStatus", controllers.GetTappingStatus) // get tapping status
-	routeGroup.GET("/analyzeStatus", controllers.AnalyzeInformation)
-	routeGroup.GET("/recentTLSLinks", controllers.GetRecentTLSLinks)
-}

agent/pkg/routes/metadata_routes.go

@@ -1,13 +0,0 @@
-package routes
-
-import (
-	"github.com/gin-gonic/gin"
-	"mizuserver/pkg/controllers"
-)
-
-// MetadataRoutes defines the group of metadata routes.
-func MetadataRoutes(app *gin.Engine) {
-	routeGroup := app.Group("/metadata")
-
-	routeGroup.GET("/version", controllers.GetVersion)
-}

agent/pkg/routes/not_found_route.go

@@ -1,18 +0,0 @@
-package routes
-
-import (
-	"github.com/gin-gonic/gin"
-	"net/http"
-)
-
-// NotFoundRoute defines the 404 Error route.
-func NotFoundRoute(app *gin.Engine) {
-	app.Use(
-		func(c *gin.Context) {
-			c.JSON(http.StatusNotFound, map[string]interface{}{
-				"error": true,
-				"msg":   "sorry, endpoint is not found",
-			})
-		},
-	)
-}

agent/pkg/routes/status_routes.go

@@ -1,12 +0,0 @@
-package routes
-
-import (
-	"github.com/gin-gonic/gin"
-	"mizuserver/pkg/controllers"
-)
-
-func StatusRoutes(ginApp *gin.Engine) {
-	routeGroup := ginApp.Group("/status")
-
-	routeGroup.POST("/tappedPods", controllers.PostTappedPods)
-}

agent/pkg/rules/models.go

@@ -1,110 +0,0 @@
-package rules
-
-import (
-	"encoding/json"
-	"fmt"
-	"reflect"
-	"regexp"
-	"strings"
-
-	"github.com/google/martian/har"
-	"github.com/up9inc/mizu/shared"
-	jsonpath "github.com/yalp/jsonpath"
-)
-
-type RulesMatched struct {
-	Matched bool              `json:"matched"`
-	Rule    shared.RulePolicy `json:"rule"`
-}
-
-func appendRulesMatched(rulesMatched []RulesMatched, matched bool, rule shared.RulePolicy) []RulesMatched {
-	return append(rulesMatched, RulesMatched{Matched: matched, Rule: rule})
-}
-
-func ValidatePath(URLFromRule string, URL string) bool {
-	if URLFromRule != "" {
-		matchPath, err := regexp.MatchString(URLFromRule, URL)
-		if err != nil || !matchPath {
-			return false
-		}
-	}
-	return true
-}
-
-func ValidateService(serviceFromRule string, service string) bool {
-	if serviceFromRule != "" {
-		matchService, err := regexp.MatchString(serviceFromRule, service)
-		if err != nil || !matchService {
-			return false
-		}
-	}
-	return true
-}
-
-func MatchRequestPolicy(harEntry har.Entry, service string) (int, []RulesMatched) {
-	enforcePolicy, _ := shared.DecodeEnforcePolicy(fmt.Sprintf("%s/%s", shared.RulePolicyPath, shared.RulePolicyFileName))
-	var resultPolicyToSend []RulesMatched
-	for _, rule := range enforcePolicy.Rules {
-		if !ValidatePath(rule.Path, harEntry.Request.URL) || !ValidateService(rule.Service, service) {
-			continue
-		}
-		if rule.Type == "json" {
-			var bodyJsonMap interface{}
-			if err := json.Unmarshal(harEntry.Response.Content.Text, &bodyJsonMap); err != nil {
-				continue
-			}
-			out, err := jsonpath.Read(bodyJsonMap, rule.Key)
-			if err != nil || out == nil {
-				continue
-			}
-			var matchValue bool
-			if reflect.TypeOf(out).Kind() == reflect.String {
-				matchValue, err = regexp.MatchString(rule.Value, out.(string))
-				if err != nil {
-					continue
-				}
-			} else {
-				val := fmt.Sprint(out)
-				matchValue, err = regexp.MatchString(rule.Value, val)
-				if err != nil {
-					continue
-				}
-			}
-			resultPolicyToSend = appendRulesMatched(resultPolicyToSend, matchValue, rule)
-		} else if rule.Type == "header" {
-			for j := range harEntry.Response.Headers {
-				matchKey, err := regexp.MatchString(rule.Key, harEntry.Response.Headers[j].Name)
-				if err != nil {
-					continue
-				}
-				if matchKey {
-					matchValue, err := regexp.MatchString(rule.Value, harEntry.Response.Headers[j].Value)
-					if err != nil {
-						continue
-					}
-					resultPolicyToSend = appendRulesMatched(resultPolicyToSend, matchValue, rule)
-				}
-			}
-		} else {
-			resultPolicyToSend = appendRulesMatched(resultPolicyToSend, true, rule)
-		}
-	}
-	return len(enforcePolicy.Rules), resultPolicyToSend
-}
-
-func PassedValidationRules(rulesMatched []RulesMatched, numberOfRules int) (bool, int64, int) {
-	if len(rulesMatched) == 0 {
-		return false, 0, 0
-	}
-	for _, rule := range rulesMatched {
-		if rule.Matched == false {
-			return false, -1, len(rulesMatched)
-		}
-	}
-	for _, rule := range rulesMatched {
-		if strings.ToLower(rule.Rule.Type) == "latency" {
-			return true, rule.Rule.Latency, len(rulesMatched)
-		}
-	}
-	return true, -1, len(rulesMatched)
-}

agent/pkg/up9/main.go

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

agent/pkg/utils/truncating_logger.go

@@ -1,59 +0,0 @@
-package utils
-
-import (
-	"context"
-	"fmt"
-	"github.com/romana/rlog"
-	"gorm.io/gorm/logger"
-	"gorm.io/gorm/utils"
-	"time"
-)
-
-// TruncatingLogger implements the gorm logger.Interface interface. Its purpose is to act as gorm's logger while truncating logs to a max of 50 characters to minimise the performance impact
-type TruncatingLogger struct {
-	LogLevel      logger.LogLevel
-	SlowThreshold time.Duration
-}
-
-func (truncatingLogger *TruncatingLogger) LogMode(logLevel logger.LogLevel) logger.Interface {
-	truncatingLogger.LogLevel = logLevel
-	return truncatingLogger
-}
-
-func (truncatingLogger *TruncatingLogger) Info(_ context.Context, message string, __ ...interface{}) {
-	if truncatingLogger.LogLevel < logger.Info {
-		return
-	}
-	rlog.Errorf("gorm info: %.150s", message)
-}
-
-func (truncatingLogger *TruncatingLogger) Warn(_ context.Context, message string, __ ...interface{}) {
-	if truncatingLogger.LogLevel < logger.Warn {
-		return
-	}
-	rlog.Errorf("gorm warning: %.150s", message)
-}
-
-func (truncatingLogger *TruncatingLogger) Error(_ context.Context, message string, __ ...interface{}) {
-	if truncatingLogger.LogLevel < logger.Error {
-		return
-	}
-	rlog.Errorf("gorm error: %.150s", message)
-}
-
-func (truncatingLogger *TruncatingLogger) Trace(ctx context.Context, begin time.Time, fc func() (string, int64), err error) {
-	if truncatingLogger.LogLevel == logger.Silent {
-		return
-	}
-	elapsed := time.Since(begin)
-	if err != nil {
-		sql, rows := fc() // copied into every condition as this is a potentially heavy operation best done only when necessary
-		truncatingLogger.Error(ctx, fmt.Sprintf("Error in %s: %v - elapsed: %fs affected rows: %d, sql: %s", utils.FileWithLineNum(), err, elapsed.Seconds(), rows, sql))
-	} else if truncatingLogger.LogLevel >= logger.Warn && elapsed > truncatingLogger.SlowThreshold {
-		sql, rows := fc()
-		truncatingLogger.Warn(ctx, fmt.Sprintf("Slow sql query - elapse: %fs rows: %d, sql: %s", elapsed.Seconds(), rows, sql))
-	} else if truncatingLogger.LogLevel >= logger.Info {
-		sql, rows := fc()
-		truncatingLogger.Info(ctx, fmt.Sprintf("Sql query - elapse: %fs rows: %d, sql: %s", elapsed.Seconds(), rows, sql))
-	}
-}

agent/pkg/version/consts.go

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

api/README.md

@@ -1,5 +1,5 @@
-# mizu agent
-Agent for MIZU (API server and tapper)
+# mizu API server
+API server for MIZU
 Basic APIs:
 * /fetch - retrieve traffic data
 * /stats - retrieve statistics of collected data
@@ -14,7 +14,7 @@ Basic APIs:
 
 ### 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-api-server 2345:2345`
+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

@@ -3,23 +3,23 @@ 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/fsnotify/fsnotify v1.4.9
-	github.com/gin-contrib/static v0.0.1
-	github.com/gin-gonic/gin v1.7.2
+	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/romana/rlog v0.0.0-20171115192701-f018bc92e7d7
 	github.com/up9inc/mizu/shared v0.0.0
-	github.com/up9inc/mizu/tap v0.0.0
-	github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0
 	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
@@ -28,5 +28,3 @@ require (
 )
 
 replace github.com/up9inc/mizu/shared v0.0.0 => ../shared
-
-replace github.com/up9inc/mizu/tap v0.0.0 => ../tap

api/go.sum

@@ -41,12 +41,15 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
+github.com/andybalholm/brotli v1.0.1 h1:KqhlKozYbRtJvsPrrEeXcO+N2l6NYT5A2QAFmSULpEc=
+github.com/andybalholm/brotli v1.0.1/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
+github.com/antoniodipinto/ikisocket v0.0.0-20210417133349-f1502512d69a h1:76llBleIE3fkdqaJFDzdirtiYhQPdIQem8H8r2iwA1Q=
+github.com/antoniodipinto/ikisocket v0.0.0-20210417133349-f1502512d69a/go.mod h1:QvDfsDQDmGxUsvEeWabVZ5pp2FMXpOkwQV0L6SE6cp0=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
 github.com/beevik/etree v1.1.0 h1:T0xke/WvNtMoCqgzPhkX2r4rjY3GDZFi+FjpRZY2Jbs=
 github.com/beevik/etree v1.1.0/go.mod h1:r8Aw8JqVegEf0w2fDnATrX9VpkMcyFeM0FhwO62wh+A=
-github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4 h1:NJOOlc6ZJjix0A1rAU+nxruZtR8KboG1848yqpIUo4M=
-github.com/bradleyfalzon/tlsx v0.0.0-20170624122154-28fd0e59bac4/go.mod h1:DQPxZS994Ld1Y8uwnJT+dRL04XPD0cElP/pHH/zEBHM=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
@@ -58,26 +61,18 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/djherbis/atime v1.0.0 h1:ySLvBAM0EvOGaX7TI4dAM5lWj+RdJUCKtGSEHN8SGBg=
 github.com/djherbis/atime v1.0.0/go.mod h1:5W+KBIuTwVGcqjIfaTwt+KSYX1o6uep8dtevevQP/f8=
-github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
-github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
+github.com/fasthttp/websocket v1.4.2/go.mod h1:smsv/h4PBEBaU0XDTY5UwJTpZv69fQ0FfcLJr21mA6Y=
+github.com/fasthttp/websocket v1.4.3-beta.1 h1:stc4P2aoxYKsdmbe1AJ5mAm73Fxc1NOgrZpPftvZIXQ=
+github.com/fasthttp/websocket v1.4.3-beta.1/go.mod h1:JGrgLaT02bL9NuJkZbHN8mVV2tkCJZQh7yJ5/XCXO2g=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible h1:TcekIExNqud5crz4xD2pavyTgWiPvpYe4Xau31I0PRk=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
-github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
-github.com/gin-contrib/static v0.0.1 h1:JVxuvHPuUfkoul12N7dtQw7KRn/pSMq7Ue1Va9Swm1U=
-github.com/gin-contrib/static v0.0.1/go.mod h1:CSxeF+wep05e0kCOsqWdAWbSszmc31zTIbD8TvWl7Hs=
-github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
-github.com/gin-gonic/gin v1.7.2 h1:Tg03T9yM2xa8j6I3Z3oqLaQRSmKvxPd6g/2HJ6zICFA=
-github.com/gin-gonic/gin v1.7.2/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -97,8 +92,6 @@ github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8c
 github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
-github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
-github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
 github.com/go-playground/validator/v10 v10.5.0 h1:X9rflw/KmpACwT8zdrm1upefpvdy6ur8d1kWyq6sg3E=
 github.com/go-playground/validator/v10 v10.5.0/go.mod h1:xm76BBt941f7yWdGnI2DVPFFg1UK3YY04qifoXU3lOk=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
@@ -127,6 +120,12 @@ github.com/gobuffalo/packd v0.1.0/go.mod h1:M2Juc+hhDXf/PnmBANFCqx4DM3wRbgDvnVWe
 github.com/gobuffalo/packr/v2 v2.0.9/go.mod h1:emmyGweYTm6Kdper+iywB6YK5YzuKchGtJQZ0Odn4pQ=
 github.com/gobuffalo/packr/v2 v2.2.0/go.mod h1:CaAwI0GPIAv+5wKLtv8Afwl+Cm78K/I/VCm/3ptBN+0=
 github.com/gobuffalo/syncx v0.0.0-20190224160051-33c29581e754/go.mod h1:HhnNqWY95UYwwW3uSASeV7vtgYkT2t16hJgV3AEPUpw=
+github.com/gofiber/fiber/v2 v2.1.3/go.mod h1:MMiSv1HrDkN8Pv7NeVDYK+T/lwXOEKAvPBbLvJPCEfA=
+github.com/gofiber/fiber/v2 v2.7.1/go.mod h1:f8BRRIMjMdRyt2qmJ/0Sea3j3rwwfufPrh9WNBRiVZ0=
+github.com/gofiber/fiber/v2 v2.8.0 h1:BdWvZmg/WY/Vjtjm38aXOp1Lks1BhuyS2b7lSWSPAzk=
+github.com/gofiber/fiber/v2 v2.8.0/go.mod h1:Ah3IJikrKNRepl/HuVawppS25X7FWohwfCSRn7kJG28=
+github.com/gofiber/websocket/v2 v2.0.3 h1:nqPGHB4LQhxKX5KJUjayOd2xiiENieS/dn6TPfCL8uk=
+github.com/gofiber/websocket/v2 v2.0.3/go.mod h1:/OTEImCxORKE5unw0dWqJYovid6vZF+wB1W0aaMKs2M=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -187,6 +186,7 @@ github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
+github.com/imdario/mergo v0.3.5 h1:JboBksRwiiAJWvIYJVo46AfV+IAIKZpfrSzVKj42R4Q=
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
@@ -198,7 +198,6 @@ github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHW
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
-github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68=
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@@ -207,7 +206,13 @@ github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaR
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@@ -217,14 +222,13 @@ github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA=
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@@ -260,8 +264,9 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
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@@ -273,22 +278,28 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
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@@ -361,8 +372,11 @@ golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLL
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@@ -396,20 +410,21 @@ golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -540,9 +555,8 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gorm.io/driver/sqlite v1.1.4 h1:PDzwYE+sI6De2+mxAneV9Xs11+ZyKV6oxD3wDGkaNvM=
 gorm.io/driver/sqlite v1.1.4/go.mod h1:mJCeTFr7+crvS+TRnWc5Z3UvwxUN1BGBLMrf5LA9DYw=
 gorm.io/gorm v1.20.7/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=

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

@@ -32,7 +32,7 @@ Now you will be able to import `github.com/up9inc/mizu/resolver` in any `.go` fi
 errOut := make(chan error, 100)
 k8sResolver, err := resolver.NewFromOutOfCluster("", errOut)
 if err != nil {
-    rlog.Errorf("error creating k8s resolver %s", err)
+    fmt.Printf("error creating k8s resolver %s", err)
 }
 
 ctx, cancel := context.WithCancel(context.Background())
@@ -40,15 +40,15 @@ 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 {
-    rlog.Errorf("resolved 10.107.251.91=%s", *resolvedName)
+    fmt.Printf("resolved 10.107.251.91=%s", *resolvedName)
 } else {
-    rlog.Error("Could not find a resolved name for 10.107.251.91")
+    fmt.Printf("Could not find a resolved name for 10.107.251.91")
 }
 
 for {
     select {
         case err := <- errOut:
-            rlog.Errorf("name resolving error %s", err)
+            fmt.Printf("name resolving error %s", err)
     }
 }
 ```

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/messageSensitiveDataCleaner.go

@@ -5,7 +5,7 @@ import (
 	"encoding/xml"
 	"errors"
 	"fmt"
-	"github.com/up9inc/mizu/tap"
+	"mizuserver/pkg/tap"
 	"net/url"
 	"strings"
 
@@ -15,8 +15,8 @@ import (
 )
 
 func FilterSensitiveInfoFromHarRequest(harOutputItem *tap.OutputChannelItem, options *shared.TrafficFilteringOptions) {
-	harOutputItem.HarEntry.Request.Headers = filterHarHeaders(harOutputItem.HarEntry.Request.Headers)
-	harOutputItem.HarEntry.Response.Headers = filterHarHeaders(harOutputItem.HarEntry.Response.Headers)
+	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)
@@ -44,19 +44,12 @@ func FilterSensitiveInfoFromHarRequest(harOutputItem *tap.OutputChannelItem, opt
 	}
 }
 
-func filterHarHeaders(headers []har.Header) []har.Header {
-	newHeaders := make([]har.Header, 0)
+func filterHarHeaders(headers []har.Header) {
 	for i, header := range headers {
-		if strings.ToLower(header.Name) == "cookie" {
-			continue
-		} else if isFieldNameSensitive(header.Name) {
-			newHeaders = append(newHeaders, har.Header{Name: header.Name, Value: maskedFieldPlaceholderValue})
+		if isFieldNameSensitive(header.Name) {
 			headers[i].Value = maskedFieldPlaceholderValue
-		} else {
-			newHeaders = append(newHeaders, header)
 		}
 	}
-	return newHeaders
 }
 
 func getContentTypeHeaderValue(headers []har.Header) string {

api/pkg/tap/cleaner.go

@@ -1,7 +1,6 @@
 package tap
 
 import (
-	"github.com/romana/rlog"
 	"sync"
 	"time"
 
@@ -21,21 +20,19 @@ type Cleaner struct {
 	cleanPeriod       time.Duration
 	connectionTimeout time.Duration
 	stats             CleanerStats
-	statsMutex        sync.Mutex
+	statsMutex	  sync.Mutex
 }
 
 func (cl *Cleaner) clean() {
 	startCleanTime := time.Now()
 
 	cl.assemblerMutex.Lock()
-	rlog.Debugf("Assembler Stats before cleaning %s", cl.assembler.Dump())
 	flushed, closed := cl.assembler.FlushCloseOlderThan(startCleanTime.Add(-cl.connectionTimeout))
 	cl.assemblerMutex.Unlock()
 
 	deleted := cl.matcher.deleteOlderThan(startCleanTime.Add(-cl.connectionTimeout))
 
 	cl.statsMutex.Lock()
-	rlog.Debugf("Assembler Stats after cleaning %s", cl.assembler.Dump())
 	cl.stats.flushed += flushed
 	cl.stats.closed += closed
 	cl.stats.deleted += deleted
@@ -58,7 +55,7 @@ func (cl *Cleaner) dumpStats() CleanerStats {
 
 	stats := CleanerStats{
 		flushed: cl.stats.flushed,
-		closed:  cl.stats.closed,
+		closed : cl.stats.closed,
 		deleted: cl.stats.deleted,
 	}
 

api/pkg/tap/grpc_assembler.go

@@ -84,14 +84,14 @@ type GrpcAssembler struct {
 	framer *http2.Framer
 }
 
-func (ga *GrpcAssembler) readMessage() (uint32, interface{}, error) {
+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
+		return 0, nil, "", err
 	}
 
 	streamID := frame.Header().StreamID
@@ -99,7 +99,7 @@ func (ga *GrpcAssembler) readMessage() (uint32, interface{}, error) {
 	ga.fragmentsByStream.appendFrame(streamID, frame)
 
 	if !(ga.isStreamEnd(frame)) {
-		return 0, nil, nil
+		return 0, nil, "", nil
 	}
 
 	headers, data := ga.fragmentsByStream.pop(streamID)
@@ -137,10 +137,10 @@ func (ga *GrpcAssembler) readMessage() (uint32, interface{}, error) {
 			ContentLength: int64(len(dataString)),
 		}
 	} else {
-		return 0, nil, errors.New("Failed to assemble stream: neither a request nor a message")
+		return 0, nil, "", errors.New("Failed to assemble stream: neither a request nor a message")
 	}
 
-	return streamID, messageHTTP1, nil
+	return streamID, messageHTTP1, dataString, nil
 }
 
 func (ga *GrpcAssembler) isStreamEnd(frame http2.Frame) bool {

api/pkg/tap/har_writer.go

@@ -1,12 +1,9 @@
 package tap
 
 import (
-	"bytes"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
-	"log"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -18,8 +15,7 @@ import (
 )
 
 const readPermission = 0644
-const harFilenameSuffix = ".har"
-const tempFilenameSuffix = ".har.tmp"
+const tempFilenamePrefix = "har_writer"
 
 type PairChanItem struct {
 	Request         *http.Request
@@ -27,13 +23,12 @@ type PairChanItem struct {
 	Response        *http.Response
 	ResponseTime    time.Time
 	RequestSenderIp string
-	ConnectionInfo  *ConnectionInfo
 }
 
 func openNewHarFile(filename string) *HarFile {
 	file, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, readPermission)
 	if err != nil {
-		log.Panicf("Failed to open output file: %s (%v,%+v)", err, err, err)
+		panic(fmt.Sprintf("Failed to open output file: %s (%v,%+v)", err, err, err))
 	}
 
 	harFile := HarFile{file: file, entryCount: 0}
@@ -43,35 +38,20 @@ func openNewHarFile(filename string) *HarFile {
 }
 
 type HarFile struct {
-	file       *os.File
+	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, false)
+	harRequest, err := har.NewRequest(request, true)
 	if err != nil {
-		SilentError("convert-request-to-har", "Failed converting request to HAR %s (%v,%+v)", err, err, err)
+		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")
 	}
 
-	// For requests with multipart/form-data or application/x-www-form-urlencoded Content-Type,
-	// martian/har will parse the request body and place the parameters in harRequest.PostData.Params
-	// instead of harRequest.PostData.Text (as the HAR spec requires it).
-	// Mizu currently only looks at PostData.Text. Therefore, instead of letting martian/har set the content of
-	// PostData, always copy the request body to PostData.Text.
-	if (request.ContentLength > 0) {
-		reqBody, err := ioutil.ReadAll(request.Body)
-		if err != nil {
-			SilentError("read-request-body", "Failed converting request to HAR %s (%v,%+v)", err, err, err)
-			return nil, errors.New("Failed reading request body")
-		}
-		request.Body = ioutil.NopCloser(bytes.NewReader(reqBody))
-		harRequest.PostData.Text = string(reqBody)
-	}
-
 	harResponse, err := har.NewResponse(response, true)
 	if err != nil {
-		SilentError("convert-response-to-har", "Failed converting response to HAR %s (%v,%+v)", err, err, err)
+		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")
 	}
 
@@ -82,7 +62,7 @@ func NewEntry(request *http.Request, requestTime time.Time, response *http.Respo
 
 		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)", err, err, err)
+			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
@@ -105,13 +85,13 @@ func NewEntry(request *http.Request, requestTime time.Time, response *http.Respo
 
 	harEntry := har.Entry{
 		StartedDateTime: time.Now().UTC(),
-		Time:            totalTime,
-		Request:         harRequest,
-		Response:        harResponse,
-		Cache:           &har.Cache{},
+		Time: totalTime,
+		Request: harRequest,
+		Response: harResponse,
+		Cache: &har.Cache{},
 		Timings: &har.Timings{
-			Send:    -1,
-			Wait:    -1,
+			Send: -1,
+			Wait: -1,
 			Receive: totalTime,
 		},
 	}
@@ -122,7 +102,7 @@ func NewEntry(request *http.Request, requestTime time.Time, response *http.Respo
 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)", err, err, err)
+		SilentError("har-entry-marshal", "Failed converting har entry object to JSON%s (%v,%+v)\n", err, err, err)
 		return
 	}
 
@@ -136,7 +116,7 @@ func (f *HarFile) WriteEntry(harEntry *har.Entry) {
 	harEntryString := append([]byte(separator), harEntryJson...)
 
 	if _, err := f.file.Write(harEntryString); err != nil {
-		log.Panicf("Failed to write to output file: %s (%v,%+v)", err, err, err)
+		panic(fmt.Sprintf("Failed to write to output file: %s (%v,%+v)", err, err, err))
 	}
 
 	f.entryCount++
@@ -151,64 +131,63 @@ func (f *HarFile) Close() {
 
 	err := f.file.Close()
 	if err != nil {
-		log.Panicf("Failed to close output file: %s (%v,%+v)", err, err, err)
+		panic(fmt.Sprintf("Failed to close output file: %s (%v,%+v)", err, err, err))
 	}
 }
 
-func (f *HarFile) writeHeader() {
+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 {
-		log.Panicf("Failed to write header to output file: %s (%v,%+v)", err, err, err)
+		panic(fmt.Sprintf("Failed to write header to output file: %s (%v,%+v)", err, err, err))
 	}
 }
 
-func (f *HarFile) writeTrailer() {
+func (f*HarFile) writeTrailer() {
 	trailer := []byte("]}}")
 	if _, err := f.file.Write(trailer); err != nil {
-		log.Panicf("Failed to write trailer to output file: %s (%v,%+v)", err, err, err)
+		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),
+		MaxEntries: maxEntries,
+		PairChan: make(chan *PairChanItem),
+		OutChan: make(chan *OutputChannelItem, 1000),
+		currentFile: nil,
+		done: make(chan bool),
 	}
 }
 
 type OutputChannelItem struct {
-	HarEntry               *har.Entry
-	ConnectionInfo         *ConnectionInfo
-	ValidationRulesChecker string
+	HarEntry        *har.Entry
+	RequestSenderIp string
 }
 
 type HarWriter struct {
 	OutputDirPath string
-	MaxEntries    int
-	PairChan      chan *PairChanItem
-	OutChan       chan *OutputChannelItem
-	currentFile   *HarFile
-	done          chan bool
+	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, connectionInfo *ConnectionInfo) {
+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,
-		ConnectionInfo: connectionInfo,
+		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 {
-			log.Panicf("Failed to create output directory: %s (%v,%+v)", err, err, err)
+			panic(fmt.Sprintf("Failed to create output directory: %s (%v,%+v)", err, err, err))
 		}
 	}
 
@@ -231,8 +210,8 @@ func (hw *HarWriter) Start() {
 				}
 			} else {
 				hw.OutChan <- &OutputChannelItem{
-					HarEntry:       harEntry,
-					ConnectionInfo: pair.ConnectionInfo,
+					HarEntry:        harEntry,
+					RequestSenderIp: pair.RequestSenderIp,
 				}
 			}
 		}
@@ -241,17 +220,16 @@ func (hw *HarWriter) Start() {
 			hw.closeFile()
 		}
 		hw.done <- true
-	}()
+	} ()
 }
 
 func (hw *HarWriter) Stop() {
 	close(hw.PairChan)
 	<-hw.done
-	close(hw.OutChan)
 }
 
 func (hw *HarWriter) openNewFile() {
-	filename := buildFilename(hw.OutputDirPath, time.Now(), tempFilenameSuffix)
+	filename := filepath.Join(os.TempDir(), fmt.Sprintf("%s_%d", tempFilenamePrefix, time.Now().UnixNano()))
 	hw.currentFile = openNewHarFile(filename)
 }
 
@@ -260,15 +238,15 @@ func (hw *HarWriter) closeFile() {
 	tmpFilename := hw.currentFile.file.Name()
 	hw.currentFile = nil
 
-	filename := buildFilename(hw.OutputDirPath, time.Now(), harFilenameSuffix)
+	filename := buildFilename(hw.OutputDirPath, time.Now())
 	err := os.Rename(tmpFilename, filename)
 	if err != nil {
-		SilentError("Rename-file", "cannot rename file: %s (%v,%+v)", err, err, err)
+		SilentError("Rename-file", "cannot rename file: %s (%v,%+v)\n", err, err, err)
 	}
 }
 
-func buildFilename(dir string, t time.Time, suffix string) string {
+func buildFilename(dir string, t time.Time) string {
 	// (epoch time in nanoseconds)__(YYYY_Month_DD__hh-mm-ss).har
-	filename := fmt.Sprintf("%d__%s%s", t.UnixNano(), t.Format("2006_Jan_02__15-04-05"), suffix)
+	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

@@ -3,39 +3,30 @@ package tap
 import (
 	"bufio"
 	"bytes"
+	"compress/gzip"
+	b64 "encoding/base64"
 	"encoding/hex"
+	"encoding/json"
 	"fmt"
-	"github.com/bradleyfalzon/tlsx"
 	"io"
 	"io/ioutil"
 	"net/http"
-	"strconv"
 	"sync"
 	"time"
 )
 
-const checkTLSPacketAmount = 100
-
 type httpReaderDataMsg struct {
 	bytes     []byte
 	timestamp time.Time
 }
 
 type tcpID struct {
-	srcIP   string
-	dstIP   string
+	srcIP string
+	dstIP string
 	srcPort string
 	dstPort string
 }
 
-type ConnectionInfo struct {
-	ClientIP   string
-	ClientPort string
-	ServerIP   string
-	ServerPort string
-	IsOutgoing bool
-}
-
 func (tid *tcpID) String() string {
 	return fmt.Sprintf("%s->%s %s->%s", tid.srcIP, tid.dstIP, tid.srcPort, tid.dstPort)
 }
@@ -46,44 +37,27 @@ func (tid *tcpID) String() string {
  * Implements io.Reader interface (Read)
  */
 type httpReader struct {
-	ident              string
-	tcpID              tcpID
-	isClient           bool
-	isHTTP2            bool
-	isOutgoing         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
-	packetsSeen        uint
-	outboundLinkWriter *OutboundLinkWriter
+	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 len(h.data) > 0 {
-			h.packetsSeen += 1
-		}
-		if h.packetsSeen < checkTLSPacketAmount && len(msg.bytes) > 5 { // packets with less than 5 bytes cause tlsx to panic
-			clientHello := tlsx.ClientHello{}
-			err := clientHello.Unmarshall(msg.bytes)
-			if err == nil {
-				fmt.Printf("Detected TLS client hello with SNI %s\n", clientHello.SNI)
-				numericPort, _ := strconv.Atoi(h.tcpID.dstPort)
-				h.outboundLinkWriter.WriteOutboundLink(h.tcpID.srcIP, h.tcpID.dstIP, numericPort, clientHello.SNI, TLSProtocol)
-			}
-		}
 	}
 	if !ok || len(h.data) == 0 {
 		return 0, io.EOF
@@ -99,7 +73,7 @@ func (h *httpReader) run(wg *sync.WaitGroup) {
 	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)", h.ident, err, err, err)
+		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
@@ -108,7 +82,7 @@ func (h *httpReader) run(wg *sync.WaitGroup) {
 	if h.isHTTP2 {
 		err := prepareHTTP2Connection(b, h.isClient)
 		if err != nil {
-			SilentError("HTTP/2-Prepare-Connection-After-Check", "stream %s error: %s (%v,%+v)", h.ident, err, err, err)
+			SilentError("HTTP/2-Prepare-Connection-After-Check", "stream %s error: %s (%v,%+v)\n", h.ident, err, err, err)
 		}
 		h.grpcAssembler = createGrpcAssembler(b)
 	}
@@ -119,7 +93,7 @@ func (h *httpReader) run(wg *sync.WaitGroup) {
 			if err == io.EOF || err == io.ErrUnexpectedEOF {
 				break
 			} else if err != nil {
-				SilentError("HTTP/2", "stream %s error: %s (%v,%+v)", h.ident, err, err, err)
+				SilentError("HTTP/2", "stream %s error: %s (%v,%+v)\n", h.ident, err, err, err)
 				continue
 			}
 		} else if h.isClient {
@@ -127,7 +101,7 @@ func (h *httpReader) run(wg *sync.WaitGroup) {
 			if err == io.EOF || err == io.ErrUnexpectedEOF {
 				break
 			} else if err != nil {
-				SilentError("HTTP-request", "stream %s Request error: %s (%v,%+v)", h.ident, err, err, err)
+				SilentError("HTTP-request", "stream %s Request error: %s (%v,%+v)\n", h.ident, err, err, err)
 				continue
 			}
 		} else {
@@ -135,7 +109,7 @@ func (h *httpReader) run(wg *sync.WaitGroup) {
 			if err == io.EOF || err == io.ErrUnexpectedEOF {
 				break
 			} else if err != nil {
-				SilentError("HTTP-response", "stream %s Response error: %s (%v,%+v)", h.ident, err, err, err)
+				SilentError("HTTP-response", "stream %s Response error: %s (%v,%+v)\n", h.ident, err, err, err)
 				continue
 			}
 		}
@@ -143,49 +117,38 @@ func (h *httpReader) run(wg *sync.WaitGroup) {
 }
 
 func (h *httpReader) handleHTTP2Stream() error {
-	streamID, messageHTTP1, err := h.grpcAssembler.readMessage()
+	streamID, messageHTTP1, body, err := h.grpcAssembler.readMessage()
 	h.messageCount++
 	if err != nil {
 		return err
 	}
 
-	var reqResPair *requestResponsePair
-	var connectionInfo *ConnectionInfo
+	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)
-		connectionInfo = &ConnectionInfo{
-			ClientIP:   h.tcpID.srcIP,
-			ClientPort: h.tcpID.srcPort,
-			ServerIP:   h.tcpID.dstIP,
-			ServerPort: h.tcpID.dstPort,
-			IsOutgoing: h.isOutgoing,
-		}
-		reqResPair = reqResMatcher.registerRequest(ident, &messageHTTP1, h.captureTime)
+		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)
-		connectionInfo = &ConnectionInfo{
-			ClientIP:   h.tcpID.dstIP,
-			ClientPort: h.tcpID.dstPort,
-			ServerIP:   h.tcpID.srcIP,
-			ServerPort: h.tcpID.srcPort,
-			IsOutgoing: h.isOutgoing,
-		}
-		reqResPair = reqResMatcher.registerResponse(ident, &messageHTTP1, h.captureTime)
+		reqResPair = reqResMatcher.registerResponse(ident, &messageHTTP1, h.captureTime, body, true)
 	}
 
 	if reqResPair != nil {
-		statsTracker.incMatchedMessages()
-
 		if h.harWriter != nil {
 			h.harWriter.WritePair(
-				reqResPair.Request.orig.(*http.Request),
-				reqResPair.Request.captureTime,
-				reqResPair.Response.orig.(*http.Response),
-				reqResPair.Response.captureTime,
-				connectionInfo,
+				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)
 		}
 	}
 
@@ -202,35 +165,37 @@ func (h *httpReader) handleHTTP1ClientStream(b *bufio.Reader) error {
 	req.Body = io.NopCloser(bytes.NewBuffer(body)) // rewind
 	s := len(body)
 	if err != nil {
-		SilentError("HTTP-request-body", "stream %s Got body err: %s", h.ident, err)
+		SilentError("HTTP-request-body", "stream %s Got body err: %s\n", h.ident, err)
 	} else if h.hexdump {
-		Debug("Body(%d/0x%x) - %s", len(body), len(body), hex.Dump(body))
+		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", h.ident, err)
+		SilentError("HTTP-request-body-close", "stream %s Failed to close request body: %s\n", h.ident, err)
 	}
 	encoding := req.Header["Content-Encoding"]
-	Debug("HTTP/1 Request: %s %s %s (Body:%d) -> %s", h.ident, req.Method, req.URL, s, 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)
+	reqResPair := reqResMatcher.registerRequest(ident, req, h.captureTime, bodyStr, false)
 	if reqResPair != nil {
-		statsTracker.incMatchedMessages()
-
 		if h.harWriter != nil {
 			h.harWriter.WritePair(
-				reqResPair.Request.orig.(*http.Request),
-				reqResPair.Request.captureTime,
-				reqResPair.Response.orig.(*http.Response),
-				reqResPair.Response.captureTime,
-				&ConnectionInfo{
-					ClientIP:   h.tcpID.srcIP,
-					ClientPort: h.tcpID.srcPort,
-					ServerIP:   h.tcpID.dstIP,
-					ServerPort: h.tcpID.dstPort,
-					IsOutgoing: h.isOutgoing,
-				},
+				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)
 		}
 	}
 
@@ -259,13 +224,13 @@ func (h *httpReader) handleHTTP1ServerStream(b *bufio.Reader) error {
 	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", h.ident, s, err)
+		SilentError("HTTP-response-body", "HTTP/%s: failed to get body(parsed len:%d): %s\n", h.ident, s, err)
 	}
 	if h.hexdump {
-		Debug("Body(%d/0x%x) - %s", len(body), len(body), hex.Dump(body))
+		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", h.ident, s, err)
+		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) {
@@ -276,29 +241,54 @@ func (h *httpReader) handleHTTP1ServerStream(b *bufio.Reader) error {
 		contentType = []string{http.DetectContentType(body)}
 	}
 	encoding := res.Header["Content-Encoding"]
-	Debug("HTTP/1 Response: %s %s URL:%s (%d%s%d%s) -> %s", h.ident, res.Status, req, res.ContentLength, sym, s, contentType, 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)
+	reqResPair := reqResMatcher.registerResponse(ident, res, h.captureTime, bodyStr, false)
 	if reqResPair != nil {
-		statsTracker.incMatchedMessages()
-
 		if h.harWriter != nil {
 			h.harWriter.WritePair(
-				reqResPair.Request.orig.(*http.Request),
-				reqResPair.Request.captureTime,
-				reqResPair.Response.orig.(*http.Response),
-				reqResPair.Response.captureTime,
-				&ConnectionInfo{
-					ClientIP:   h.tcpID.dstIP,
-					ClientPort: h.tcpID.dstPort,
-					ServerIP:   h.tcpID.srcIP,
-					ServerPort: h.tcpID.srcPort,
-					IsOutgoing: h.isOutgoing,
-				},
+				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/passive_tapper.go

@@ -10,9 +10,10 @@ package tap
 
 import (
 	"encoding/hex"
+	"encoding/json"
 	"flag"
 	"fmt"
-	"github.com/romana/rlog"
+	"github.com/up9inc/mizu/shared"
 	"log"
 	"os"
 	"os/signal"
@@ -32,18 +33,20 @@ import (
 )
 
 const AppPortsEnvVar = "APP_PORTS"
+const OutPortEnvVar = "WEB_SOCKET_PORT"
 const maxHTTP2DataLenEnvVar = "HTTP2_DATA_SIZE_LIMIT"
-const maxHTTP2DataLenDefault = 1 * 1024 * 1024 // 1MB
+// default is 1MB, more than the max size accepted by collector and traffic-dumper
+const maxHTTP2DataLenDefault = 1 * 1024 * 1024
 const cleanPeriod = time.Second * 10
-
-var remoteOnlyOutboundPorts = []int{80, 443}
+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 {
-			log.Printf("Provided app port %v is not a valid number!", portStr)
+			fmt.Println("Provided app port ", portStr, " is not a valid number!")
 		} else {
 			ports = append(ports, parsedInt)
 		}
@@ -51,15 +54,22 @@ func parseAppPorts(appPortsList string) []int {
 	return ports
 }
 
-var maxcount = flag.Int64("c", -1, "Only grab this many packets, then exit")
+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 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")
@@ -69,7 +79,7 @@ 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 hexdump = flag.Bool("dump", false, "Dump HTTP request/response as hex")  // global
 var hexdumppkt = flag.Bool("dumppkt", false, "Dump packet as hex")
 
 // capture
@@ -80,14 +90,16 @@ 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 reqResMatcher = createResponseRequestMatcher()  // global
 var statsTracker = StatsTracker{}
 
 // global
@@ -109,20 +121,24 @@ var stats struct {
 	overlapPackets      int
 }
 
-type TapOpts struct {
-	HostMode bool
+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 ownIps []string // global
-var hostMode bool   // global
+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 log.Printf
+ * s, a:           arguments fmt.Printf
  * Note:           Too bad for perf that a... is evaluated
  */
 func logError(minOutputLevel int, t string, s string, a ...interface{}) {
@@ -131,10 +147,9 @@ func logError(minOutputLevel int, t string, s string, a ...interface{}) {
 	nb, _ := errorsMap[t]
 	errorsMap[t] = nb + 1
 	errorsMapMutex.Unlock()
-
 	if outputLevel >= minOutputLevel {
 		formatStr := fmt.Sprintf("%s: %s", t, s)
-		rlog.Errorf(formatStr, a...)
+		fmt.Printf(formatStr, a...)
 	}
 }
 func Error(t string, s string, a ...interface{}) {
@@ -143,11 +158,15 @@ func Error(t string, s string, a ...interface{}) {
 func SilentError(t string, s string, a ...interface{}) {
 	logError(2, t, s, a...)
 }
-func Debug(s string, a ...interface{}) {
-	rlog.Debugf(s, a...)
+func Info(s string, a ...interface{}) {
+	if outputLevel >= 1 {
+		fmt.Printf(s, a...)
+	}
 }
-func Trace(s string, a ...interface{}) {
-	rlog.Tracef(1, s, a...)
+func Debug(s string, a ...interface{}) {
+	if outputLevel >= 2 {
+		fmt.Printf(s, a...)
+	}
 }
 
 func inArrayInt(arr []int, valueToCheck int) bool {
@@ -168,65 +187,33 @@ func inArrayString(arr []string, valueToCheck string) bool {
 	return false
 }
 
-// Context
-// The assembler context
+/*
+ * The assembler context
+ */
 type Context struct {
 	CaptureInfo gopacket.CaptureInfo
 }
 
-func GetStats() AppStats {
-	return statsTracker.appStats
-}
-
 func (c *Context) GetCaptureInfo() gopacket.CaptureInfo {
 	return c.CaptureInfo
 }
 
-func StartPassiveTapper(opts *TapOpts) (<-chan *OutputChannelItem, <-chan *OutboundLink) {
-	hostMode = opts.HostMode
+func StartPassiveTapper() <-chan *OutputChannelItem {
+	var harWriter *HarWriter
+	if *dumpToHar {
+		harWriter = NewHarWriter(*HarOutputDir, *harEntriesPerFile)
+	}
 
-	harWriter := NewHarWriter(*HarOutputDir, *harEntriesPerFile)
-	outboundLinkWriter := NewOutboundLinkWriter()
+	go startPassiveTapper(harWriter)
 
-	go startPassiveTapper(harWriter, outboundLinkWriter)
+	if harWriter != nil {
+		return harWriter.OutChan
+	}
 
-	return harWriter.OutChan, outboundLinkWriter.OutChan
+	return nil
 }
 
-func startMemoryProfiler() {
-	dirname := "/app/pprof"
-	rlog.Info("Profiling is on, results will be written to %s", dirname)
-	go func() {
-		if _, err := os.Stat(dirname); os.IsNotExist(err) {
-			if err := os.Mkdir(dirname, 0777); err != nil {
-				log.Fatal("could not create directory for profile: ", err)
-			}
-		}
-
-		for true {
-			t := time.Now()
-
-			filename := fmt.Sprintf("%s/%s__mem.prof", dirname, t.Format("15_04_05"))
-
-			rlog.Info("Writing memory profile to %s\n", filename)
-
-			f, err := os.Create(filename)
-			if err != nil {
-				log.Fatal("could not create memory profile: ", err)
-			}
-			runtime.GC() // get up-to-date statistics
-			if err := pprof.WriteHeapProfile(f); err != nil {
-				log.Fatal("could not write memory profile: ", err)
-			}
-			_ = f.Close()
-			time.Sleep(time.Minute)
-		}
-	}()
-}
-
-func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWriter) {
-	log.SetFlags(log.LstdFlags | log.LUTC | log.Lshortfile)
-
+func startPassiveTapper(harWriter *HarWriter) {
 	defer util.Run()()
 	if *debug {
 		outputLevel = 2
@@ -239,43 +226,68 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 
 	if localhostIPs, err := getLocalhostIPs(); err != nil {
 		// TODO: think this over
-		rlog.Info("Failed to get self IP addresses")
-		rlog.Errorf("Getting-Self-Address", "Error getting self ip address: %s (%v,%+v)", err, err, err)
+		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)
-	var appPorts []int
 	if appPortsStr == "" {
-		rlog.Info("Received empty/no APP_PORTS env var! only listening to http on port 80!")
+		fmt.Println("Received empty/no APP_PORTS env var! only listening to http on port 80!")
 		appPorts = make([]int, 0)
 	} else {
 		appPorts = parseAppPorts(appPortsStr)
 	}
-	SetFilterPorts(appPorts)
+	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 == "" {
-		rlog.Infof("Received empty/no HTTP2_DATA_SIZE_LIMIT env var! falling back to %v", maxHTTP2DataLenDefault)
+		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 {
-			rlog.Infof("Received invalid HTTP2_DATA_SIZE_LIMIT env var! falling back to %v", maxHTTP2DataLenDefault)
+			fmt.Println("Received invalid HTTP2_DATA_SIZE_LIMIT env var! falling back to", maxHTTP2DataLenDefault)
 			maxHTTP2DataLen = maxHTTP2DataLenDefault
 		} else {
-			rlog.Infof("Received HTTP2_DATA_SIZE_LIMIT env var: %v", maxHTTP2DataLenDefault)
+			fmt.Println("Received HTTP2_DATA_SIZE_LIMIT env var:", maxHTTP2DataLenDefault)
 			maxHTTP2DataLen = convertedInt
 		}
 	}
+	hostMode = os.Getenv(shared.HostModeEnvVar) == "1"
 
-	log.Printf("App Ports: %v", gSettings.filterPorts)
+	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.Fatalf("PCAP OpenOffline error: %v", err)
+			log.Fatal("PCAP OpenOffline error:", err)
 		}
 	} else {
 		// This is a little complicated because we want to allow all possible options
@@ -301,21 +313,22 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 			}
 		}
 		if handle, err = inactive.Activate(); err != nil {
-			log.Fatalf("PCAP Activate error: %v", err)
+			log.Fatal("PCAP Activate error:", err)
 		}
 		defer handle.Close()
 	}
 	if len(flag.Args()) > 0 {
 		bpffilter := strings.Join(flag.Args(), " ")
-		rlog.Infof("Using BPF filter %q", bpffilter)
+		Info("Using BPF filter %q\n", bpffilter)
 		if err = handle.SetBPFFilter(bpffilter); err != nil {
-			log.Fatalf("BPF filter error: %v", err)
+			log.Fatal("BPF filter error:", err)
 		}
 	}
 
-	harWriter.Start()
-	defer harWriter.Stop()
-	defer outboundLinkWriter.Stop()
+	if *dumpToHar {
+		harWriter.Start()
+		defer harWriter.Stop()
+	}
 
 	var dec gopacket.Decoder
 	var ok bool
@@ -329,24 +342,15 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 	source := gopacket.NewPacketSource(handle, dec)
 	source.Lazy = *lazy
 	source.NoCopy = true
-	rlog.Info("Starting to read packets")
-	statsTracker.setStartTime(time.Now())
+	Info("Starting to read packets\n")
+	count := 0
+	bytes := int64(0)
+	start := time.Now()
 	defragger := ip4defrag.NewIPv4Defragmenter()
 
-	streamFactory := &tcpStreamFactory{
-		doHTTP:             !*nohttp,
-		harWriter:          harWriter,
-		outbountLinkWriter: outboundLinkWriter,
-	}
+	streamFactory := &tcpStreamFactory{doHTTP: !*nohttp, harWriter: harWriter}
 	streamPool := reassembly.NewStreamPool(streamFactory)
 	assembler := reassembly.NewAssembler(streamPool)
-
-	maxBufferedPagesTotal := GetMaxBufferedPagesPerConnection()
-	maxBufferedPagesPerConnection := GetMaxBufferedPagesTotal()
-	rlog.Infof("Assembler options: maxBufferedPagesTotal=%d, maxBufferedPagesPerConnection=%d", maxBufferedPagesTotal, maxBufferedPagesPerConnection)
-	assembler.AssemblerOptions.MaxBufferedPagesTotal = maxBufferedPagesTotal
-	assembler.AssemblerOptions.MaxBufferedPagesPerConnection = maxBufferedPagesPerConnection
-
 	var assemblerMutex sync.Mutex
 
 	signalChan := make(chan os.Signal, 1)
@@ -354,10 +358,10 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 
 	staleConnectionTimeout := time.Second * time.Duration(*staleTimeoutSeconds)
 	cleaner := Cleaner{
-		assembler:         assembler,
-		assemblerMutex:    &assemblerMutex,
-		matcher:           &reqResMatcher,
-		cleanPeriod:       cleanPeriod,
+		assembler: assembler,
+		assemblerMutex: &assemblerMutex,
+		matcher: &reqResMatcher,
+		cleanPeriod: cleanPeriod,
 		connectionTimeout: staleConnectionTimeout,
 	}
 	cleaner.start()
@@ -374,10 +378,10 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 			errorMapLen := len(errorsMap)
 			errorsSummery := fmt.Sprintf("%v", errorsMap)
 			errorsMapMutex.Unlock()
-			log.Printf("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v) - Errors Summary: %s",
-				statsTracker.appStats.TotalPacketsCount,
-				statsTracker.appStats.TotalProcessedBytes,
-				time.Since(statsTracker.appStats.StartTime),
+			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,
@@ -386,8 +390,8 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 			// At this moment
 			memStats := runtime.MemStats{}
 			runtime.ReadMemStats(&memStats)
-			log.Printf(
-				"mem: %d, goroutines: %d, unmatched messages: %d",
+			fmt.Printf(
+				"mem: %d, goroutines: %d, unmatched messages: %d\n",
 				memStats.HeapAlloc,
 				runtime.NumGoroutine(),
 				reqResMatcher.openMessagesMap.Count(),
@@ -395,28 +399,24 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 
 			// Since the last print
 			cleanStats := cleaner.dumpStats()
-			matchedMessages := statsTracker.dumpStats()
-			log.Printf(
-				"flushed connections %d, closed connections: %d, deleted messages: %d, matched messages: %d",
+			appStats := statsTracker.dumpStats()
+			fmt.Printf(
+				"flushed connections %d, closed connections: %d, deleted messages: %d, matched messages: %d\n",
 				cleanStats.flushed,
 				cleanStats.closed,
 				cleanStats.deleted,
-				matchedMessages,
+				appStats.matchedMessages,
 			)
 		}
 	}()
 
-	if GetMemoryProfilingEnabled() {
-		startMemoryProfiler()
-	}
-
 	for packet := range source.Packets() {
-		packetsCount := statsTracker.incPacketsCount()
-		rlog.Debugf("PACKET #%d", packetsCount)
+		count++
+		Debug("PACKET #%d\n", count)
 		data := packet.Data()
-		statsTracker.updateProcessedSize(int64(len(data)))
+		bytes += int64(len(data))
 		if *hexdumppkt {
-			rlog.Debugf("Packet content (%d/0x%x) - %s", len(data), len(data), hex.Dump(data))
+			Debug("Packet content (%d/0x%x)\n%s\n", len(data), len(data), hex.Dump(data))
 		}
 
 		// defrag the IPv4 packet if required
@@ -431,18 +431,18 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 			if err != nil {
 				log.Fatalln("Error while de-fragmenting", err)
 			} else if newip4 == nil {
-				rlog.Debugf("Fragment...")
+				Debug("Fragment...\n")
 				continue // packet fragment, we don't have whole packet yet.
 			}
 			if newip4.Length != l {
 				stats.ipdefrag++
-				rlog.Debugf("Decoding re-assembled packet: %s", newip4.NextLayerType())
+				Debug("Decoding re-assembled packet: %s\n", newip4.NextLayerType())
 				pb, ok := packet.(gopacket.PacketBuilder)
 				if !ok {
-					log.Panic("Not a PacketBuilder")
+					panic("Not a PacketBuilder")
 				}
 				nextDecoder := newip4.NextLayerType()
-				_ = nextDecoder.Decode(newip4.Payload, pb)
+				nextDecoder.Decode(newip4.Payload, pb)
 			}
 		}
 
@@ -459,27 +459,22 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 				CaptureInfo: packet.Metadata().CaptureInfo,
 			}
 			stats.totalsz += len(tcp.Payload)
-			rlog.Debugf("%s : %v -> %s : %v", packet.NetworkLayer().NetworkFlow().Src(), tcp.SrcPort, packet.NetworkLayer().NetworkFlow().Dst(), tcp.DstPort)
+			//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 && statsTracker.appStats.TotalPacketsCount >= *maxcount
+		done := *maxcount > 0 && count >= *maxcount
 		if done {
 			errorsMapMutex.Lock()
 			errorMapLen := len(errorsMap)
 			errorsMapMutex.Unlock()
-			log.Printf("Processed %v packets (%v bytes) in %v (errors: %v, errTypes:%v)",
-				statsTracker.appStats.TotalPacketsCount,
-				statsTracker.appStats.TotalProcessedBytes,
-				time.Since(statsTracker.appStats.StartTime),
-				nErrors,
-				errorMapLen)
+			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:
-			log.Printf("Caught SIGINT: aborting")
+			fmt.Fprintf(os.Stderr, "\nCaught SIGINT: aborting\n")
 			done = true
 		default:
 			// NOP: continue
@@ -492,7 +487,7 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 	assemblerMutex.Lock()
 	closed := assembler.FlushAll()
 	assemblerMutex.Unlock()
-	rlog.Debugf("Final flush: %d closed", closed)
+	Debug("Final flush: %d closed", closed)
 	if outputLevel >= 2 {
 		streamPool.Dump()
 	}
@@ -502,35 +497,34 @@ func startPassiveTapper(harWriter *HarWriter, outboundLinkWriter *OutboundLinkWr
 		if err != nil {
 			log.Fatal(err)
 		}
-		_ = pprof.WriteHeapProfile(f)
-		_ = f.Close()
+		pprof.WriteHeapProfile(f)
+		f.Close()
 	}
 
 	streamFactory.WaitGoRoutines()
 	assemblerMutex.Lock()
-	rlog.Debugf("%s", assembler.Dump())
+	Debug("%s\n", assembler.Dump())
 	assemblerMutex.Unlock()
 	if !*nodefrag {
-		log.Printf("IPdefrag:\t\t%d", stats.ipdefrag)
+		fmt.Printf("IPdefrag:\t\t%d\n", stats.ipdefrag)
 	}
-	log.Printf("TCP stats:")
-	log.Printf(" missed bytes:\t\t%d", stats.missedBytes)
-	log.Printf(" total packets:\t\t%d", stats.pkt)
-	log.Printf(" rejected FSM:\t\t%d", stats.rejectFsm)
-	log.Printf(" rejected Options:\t%d", stats.rejectOpt)
-	log.Printf(" reassembled bytes:\t%d", stats.sz)
-	log.Printf(" total TCP bytes:\t%d", stats.totalsz)
-	log.Printf(" conn rejected FSM:\t%d", stats.rejectConnFsm)
-	log.Printf(" reassembled chunks:\t%d", stats.reassembled)
-	log.Printf(" out-of-order packets:\t%d", stats.outOfOrderPackets)
-	log.Printf(" out-of-order bytes:\t%d", stats.outOfOrderBytes)
-	log.Printf(" biggest-chunk packets:\t%d", stats.biggestChunkPackets)
-	log.Printf(" biggest-chunk bytes:\t%d", stats.biggestChunkBytes)
-	log.Printf(" overlap packets:\t%d", stats.overlapPackets)
-	log.Printf(" overlap bytes:\t\t%d", stats.overlapBytes)
-	log.Printf("Errors: %d", nErrors)
+	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 {
-		log.Printf(" %s:\t\t%d", e, errorsMap[e])
+		fmt.Printf(" %s:\t\t%d\n", e, errorsMap[e])
 	}
-	log.Printf("AppStats: %v", GetStats())
 }

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

@@ -34,7 +34,7 @@ type tcpStream struct {
 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-rejection", "%s: Packet rejected by FSM (state:%s)", t.ident, t.tcpstate.String())
+		//SilentError("FSM", "%s: Packet rejected by FSM (state:%s)\n", t.ident, t.tcpstate.String())
 		stats.rejectFsm++
 		if !t.fsmerr {
 			t.fsmerr = true
@@ -47,7 +47,7 @@ func (t *tcpStream) Accept(tcp *layers.TCP, ci gopacket.CaptureInfo, dir reassem
 	// Options
 	err := t.optchecker.Accept(tcp, ci, dir, nextSeq, start)
 	if err != nil {
-		SilentError("OptionChecker-rejection", "%s: Packet rejected by OptionChecker: %s", t.ident, err)
+		//SilentError("OptionChecker", "%s: Packet rejected by OptionChecker: %s\n", t.ident, err)
 		stats.rejectOpt++
 		if !*nooptcheck {
 			return false
@@ -58,10 +58,10 @@ func (t *tcpStream) Accept(tcp *layers.TCP, ci gopacket.CaptureInfo, dir reassem
 	if *checksum {
 		c, err := tcp.ComputeChecksum()
 		if err != nil {
-			SilentError("ChecksumCompute", "%s: Got error computing checksum: %s", t.ident, err)
+			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", t.ident, c)
+			SilentError("Checksum", "%s: Invalid checksum: 0x%x\n", t.ident, c)
 			accept = false
 		}
 	}
@@ -95,7 +95,7 @@ func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.Ass
 	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", sgStats.OverlapBytes, sgStats.OverlapPackets)
+		SilentError("Invalid-Overlap", "bytes:%d, pkts:%d\n", sgStats.OverlapBytes, sgStats.OverlapPackets)
 	}
 	stats.overlapBytes += sgStats.OverlapBytes
 	stats.overlapPackets += sgStats.OverlapPackets
@@ -106,7 +106,7 @@ func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.Ass
 	} else {
 		ident = fmt.Sprintf("%v %v(%s): ", t.net.Reverse(), t.transport.Reverse(), dir)
 	}
-	Trace("%s: SG reassembled packet with %d bytes (start:%v,end:%v,skip:%d,saved:%d,nb:%d,%d,overlap:%d,%d)", ident, length, start, end, skip, saved, sgStats.Packets, sgStats.Chunks, sgStats.OverlapBytes, sgStats.OverlapPackets)
+	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 {
@@ -125,18 +125,18 @@ func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.Ass
 		}
 		dnsSize := binary.BigEndian.Uint16(data[:2])
 		missing := int(dnsSize) - len(data[2:])
-		Trace("dnsSize: %d, missing: %d", dnsSize, missing)
+		Debug("dnsSize: %d, missing: %d\n", dnsSize, missing)
 		if missing > 0 {
-			Debug("Missing some bytes: %d", missing)
+			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", err)
+			SilentError("DNS-parser", "Failed to decode DNS: %v\n", err)
 		} else {
-			Trace("DNS: %s", gopacket.LayerDump(dns))
+			Debug("DNS: %s\n", gopacket.LayerDump(dns))
 		}
 		if len(data) > 2+int(dnsSize) {
 			sg.KeepFrom(2 + int(dnsSize))
@@ -144,7 +144,7 @@ func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.Ass
 	} else if t.isHTTP {
 		if length > 0 {
 			if *hexdump {
-				Trace("Feeding http with:%s", hex.Dump(data))
+				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
@@ -158,7 +158,7 @@ func (t *tcpStream) ReassembledSG(sg reassembly.ScatterGather, ac reassembly.Ass
 }
 
 func (t *tcpStream) ReassemblyComplete(ac reassembly.AssemblerContext) bool {
-	Trace("%s: Connection closed", t.ident)
+	Debug("%s: Connection closed\n", t.ident)
 	if t.isHTTP {
 		close(t.client.msgQueue)
 		close(t.server.msgQueue)

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/utils.go

@@ -1,42 +1,34 @@
 package utils
 
 import (
-	"context"
-	"github.com/gin-gonic/gin"
-	"github.com/romana/rlog"
+	"encoding/json"
+	"fmt"
+	"github.com/gofiber/fiber/v2"
 	"log"
-	"net/http"
+	"mizuserver/pkg/models"
 	"net/url"
 	"os"
 	"os/signal"
 	"reflect"
 	"syscall"
-	"time"
 )
 
 // StartServer starts the server with a graceful shutdown
-func StartServer(app *gin.Engine) {
+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
 	)
 
-	srv := &http.Server{
-		Addr:    ":8080",
-		Handler: app,
-	}
-
 	go func() {
 		_ = <-signals
-		rlog.Infof("Shutting down...")
-		ctx, _ := context.WithTimeout(context.Background(), 5*time.Second)
-		_ = srv.Shutdown(ctx)
-		os.Exit(0)
+		fmt.Println("Shutting down...")
+		_ = app.Shutdown()
 	}()
 
 	// Run server.
-	if err := app.Run(":8899"); err != nil {
+	if err := app.Listen(":8899"); err != nil {
 		log.Printf("Oops... Server is not running! Reason: %v", err)
 	}
 }
@@ -69,3 +61,27 @@ func SetHostname(address, newHostname string) string {
 	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/start.sh

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

build-push-featurebranch.sh

@@ -5,9 +5,7 @@ SERVER_NAME=mizu
 GCP_PROJECT=up9-docker-hub
 REPOSITORY=gcr.io/$GCP_PROJECT
 GIT_BRANCH=$(git branch | grep \* | cut -d ' ' -f2 | tr '[:upper:]' '[:lower:]')
-SEM_VER=${SEM_VER=0.0.0}
-DOCKER_REPO=$REPOSITORY/$SERVER_NAME/$GIT_BRANCH
-DOCKER_TAGGED_BUILDS=("$DOCKER_REPO:latest" "$DOCKER_REPO:$SEM_VER")
+DOCKER_TAGGED_BUILD=$REPOSITORY/$SERVER_NAME/$GIT_BRANCH:latest
 
 if [ "$GIT_BRANCH" = 'develop' -o "$GIT_BRANCH" = 'master' -o "$GIT_BRANCH" = 'main' ]
 then
@@ -15,12 +13,8 @@ then
   exit 1
 fi
 
-echo "building ${DOCKER_TAGGED_BUILDS[@]}"
-DOCKER_TAGS_ARGS=$(echo ${DOCKER_TAGGED_BUILDS[@]/#/-t }) # "-t FIRST_TAG -t SECOND_TAG ..."
-docker build $DOCKER_TAGS_ARGS --build-arg SEM_VER=${SEM_VER} --build-arg BUILD_TIMESTAMP=${BUILD_TIMESTAMP} --build-arg GIT_BRANCH=${GIT_BRANCH} --build-arg COMMIT_HASH=${COMMIT_HASH} .
+echo "building $DOCKER_TAGGED_BUILD"
+docker build -t "$DOCKER_TAGGED_BUILD" .
 
-for DOCKER_TAG in "${DOCKER_TAGGED_BUILDS[@]}"
-do
-        echo pushing "$DOCKER_TAG"
-        docker push "$DOCKER_TAG"
-done
+echo pushing to "$REPOSITORY"
+docker push "$DOCKER_TAGGED_BUILD"

cli/.gitignore

@@ -1 +0,0 @@
-bin

cli/Makefile

@@ -3,7 +3,6 @@ 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 SEM_VER?=0.0.0
 
 .PHONY: help
 .DEFAULT_GOAL := help
@@ -14,7 +13,7 @@ help: ## This help.
 install:
 	go install mizu.go
 
-build: ## Build mizu CLI binary (select platform via GOOS / GOARCH env variables).
+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=$(BUILD_TIMESTAMP)' \
@@ -22,23 +21,20 @@ build: ## Build mizu CLI binary (select platform via GOOS / GOARCH env variables
 					   -o bin/mizu_$(SUFFIX) mizu.go 
 	(cd bin && shasum -a 256 mizu_${SUFFIX} > mizu_${SUFFIX}.sha256)
 
-build-all: ## Build for all supported platforms.
+build-all:  ## build for all supported platforms
 	@echo "Compiling for every OS and Platform"
 	@mkdir -p bin && echo "SHA256 checksums available for compiled binaries \n\nRun \`shasum -a 256 -c mizu_OS_ARCH.sha256\` to verify\n\n" >  bin/README.md
 	@$(MAKE) build GOOS=darwin GOARCH=amd64
 	@$(MAKE) build GOOS=linux GOARCH=amd64
-	@# $(MAKE) build GOOS=darwin GOARCH=arm64
 	@# $(MAKE) GOOS=windows GOARCH=amd64
 	@# $(MAKE) GOOS=linux GOARCH=386
 	@# $(MAKE) GOOS=windows GOARCH=386
+	@# $(MAKE) GOOS=darwin GOARCH=arm64
 	@# $(MAKE) GOOS=linux GOARCH=arm64
 	@# $(MAKE) GOOS=windows GOARCH=arm64
 	@echo "---------"
 	@find ./bin -ls
 
-clean: ## Clean all build artifacts.
+clean: ## clean all build artifacts
 	go clean
 	rm -rf ./bin/*
-
-test: ## Run cli tests.
-	@go test ./... -race -coverprofile=coverage.out -covermode=atomic

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/config.go

@@ -1,41 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/uiUtils"
-	"io/ioutil"
-)
-
-var regenerateFile bool
-
-var configCmd = &cobra.Command{
-	Use:   "config",
-	Short: "Generate config with default values",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		template, err := config.GetConfigWithDefaults()
-		if err != nil {
-			logger.Log.Errorf("Failed generating config with defaults %v", err)
-			return nil
-		}
-		if regenerateFile {
-			data := []byte(template)
-			if err := ioutil.WriteFile(config.GetConfigFilePath(), data, 0644); err != nil {
-				logger.Log.Errorf("Failed writing config %v", err)
-				return nil
-			}
-			logger.Log.Infof(fmt.Sprintf("Template File written to %s", fmt.Sprintf(uiUtils.Purple, config.GetConfigFilePath())))
-		} else {
-			logger.Log.Debugf("Writing template config.\n%v", template)
-			fmt.Printf("%v", template)
-		}
-		return nil
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(configCmd)
-	configCmd.Flags().BoolVarP(&regenerateFile, "regenerate", "r", false, fmt.Sprintf("Regenerate the config file with default values %s", config.GetConfigFilePath()))
-}

cli/cmd/fetch.go

@@ -1,25 +1,21 @@
 package cmd
 
 import (
-	"github.com/creasty/defaults"
 	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/mizu/version"
-	"github.com/up9inc/mizu/cli/telemetry"
 )
 
+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 {
-		go telemetry.ReportRun("fetch", config.Config.Fetch)
-		if isCompatible, err := version.CheckVersionCompatibility(config.Config.Fetch.GuiPort); err != nil {
-			return err
-		} else if !isCompatible {
-			return nil
-		}
-		RunMizuFetch()
+		RunMizuFetch(&mizuFetchOptions)
 		return nil
 	},
 }
@@ -27,11 +23,6 @@ var fetchCmd = &cobra.Command{
 func init() {
 	rootCmd.AddCommand(fetchCmd)
 
-	defaultFetchConfig := configStructs.FetchConfig{}
-	defaults.Set(&defaultFetchConfig)
-
-	fetchCmd.Flags().StringP(configStructs.DirectoryFetchName, "d", defaultFetchConfig.Directory, "Provide a custom directory for fetched entries")
-	fetchCmd.Flags().Int(configStructs.FromTimestampFetchName, defaultFetchConfig.FromTimestamp, "Custom start timestamp for fetched entries")
-	fetchCmd.Flags().Int(configStructs.ToTimestampFetchName, defaultFetchConfig.ToTimestamp, "Custom end timestamp fetched entries")
-	fetchCmd.Flags().Uint16P(configStructs.GuiPortFetchName, "p", defaultFetchConfig.GuiPort, "Provide a custom port for the web interface webserver")
+	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

@@ -4,9 +4,6 @@ import (
 	"archive/zip"
 	"bytes"
 	"fmt"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/kubernetes"
-	"github.com/up9inc/mizu/cli/logger"
 	"io"
 	"io/ioutil"
 	"log"
@@ -16,9 +13,8 @@ import (
 	"strings"
 )
 
-func RunMizuFetch() {
-	mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.Fetch.GuiPort)
-	resp, err := http.Get(fmt.Sprintf("http://%s/api/har?from=%v&to=%v", mizuProxiedUrl, config.Config.Fetch.FromTimestamp, config.Config.Fetch.ToTimestamp))
+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)
 	}
@@ -34,8 +30,8 @@ func RunMizuFetch() {
 	if err != nil {
 		log.Fatal(err)
 	}
+	_ = Unzip(zipReader, fetch.Directory)
 
-	_ = Unzip(zipReader, config.Config.Fetch.Directory)
 }
 
 func Unzip(reader *zip.Reader, dest string) error {
@@ -57,7 +53,7 @@ func Unzip(reader *zip.Reader, dest string) error {
 		path := filepath.Join(dest, f.Name)
 
 		// Check for ZipSlip (Directory traversal)
-		if !strings.HasPrefix(path, filepath.Clean(dest)+string(os.PathSeparator)) {
+		if !strings.HasPrefix(path, filepath.Clean(dest) + string(os.PathSeparator)) {
 			return fmt.Errorf("illegal file path: %s", path)
 		}
 
@@ -65,7 +61,7 @@ func Unzip(reader *zip.Reader, dest string) error {
 			_ = os.MkdirAll(path, f.Mode())
 		} else {
 			_ = os.MkdirAll(filepath.Dir(path), f.Mode())
-			logger.Log.Infof("writing HAR file [ %v ]", path)
+            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
@@ -74,7 +70,7 @@ func Unzip(reader *zip.Reader, dest string) error {
 				if err := f.Close(); err != nil {
 					panic(err)
 				}
-				logger.Log.Info(" done")
+                fmt.Println(" done")
 			}()
 
 			_, err = io.Copy(f, rc)
@@ -94,3 +90,5 @@ func Unzip(reader *zip.Reader, dest string) error {
 
 	return nil
 }
+
+

cli/cmd/logs.go

@@ -1,47 +0,0 @@
-package cmd
-
-import (
-	"context"
-	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/kubernetes"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/mizu/fsUtils"
-	"os"
-	"path"
-)
-
-var filePath string
-
-var logsCmd = &cobra.Command{
-	Use:   "logs",
-	Short: "Create a zip file with logs for Github issue or troubleshoot",
-	RunE: func(cmd *cobra.Command, args []string) error {
-		kubernetesProvider, err := kubernetes.NewProvider(config.Config.View.KubeConfigPath)
-		if err != nil {
-			return nil
-		}
-		ctx, _ := context.WithCancel(context.Background())
-
-		if filePath == "" {
-			pwd, err := os.Getwd()
-			if err != nil {
-				logger.Log.Errorf("Failed to get PWD, %v (try using `mizu logs -f <full path dest zip file>)`", err)
-				return nil
-			}
-			filePath = path.Join(pwd, "mizu_logs.zip")
-		}
-		logger.Log.Debugf("Using file path %s", filePath)
-
-		if err := fsUtils.DumpLogs(kubernetesProvider, ctx, filePath); err != nil {
-			logger.Log.Errorf("Failed dump logs %v", err)
-		}
-
-		return nil
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(logsCmd)
-	logsCmd.Flags().StringVarP(&filePath, "file", "f", "", "Path for zip file (default current <pwd>\\mizu_logs.zip)")
-}

cli/cmd/root.go

@@ -1,12 +1,7 @@
 package cmd
 
 import (
-	"fmt"
 	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/mizu"
-	"github.com/up9inc/mizu/cli/mizu/fsUtils"
 )
 
 var rootCmd = &cobra.Command{
@@ -14,21 +9,6 @@ var rootCmd = &cobra.Command{
 	Short: "A web traffic viewer for kubernetes",
 	Long: `A web traffic viewer for kubernetes
 Further info is available at https://github.com/up9inc/mizu`,
-	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-		if err := fsUtils.EnsureDir(mizu.GetMizuFolderPath()); err != nil {
-			logger.Log.Errorf("Failed to use mizu folder, %v", err)
-		}
-		logger.InitLogger()
-		if err := config.InitConfig(cmd); err != nil {
-			logger.Log.Fatal(err)
-		}
-
-		return nil
-	},
-}
-
-func init() {
-	rootCmd.PersistentFlags().StringSlice(config.SetCommandName, []string{}, fmt.Sprintf("Override values using --%s", config.SetCommandName))
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.

cli/cmd/tap.go

@@ -2,55 +2,44 @@ package cmd
 
 import (
 	"errors"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/telemetry"
-	"os"
+	"fmt"
+	"github.com/up9inc/mizu/cli/mizu"
+	"regexp"
 
-	"github.com/creasty/defaults"
 	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/errormessage"
-	"github.com/up9inc/mizu/cli/uiUtils"
 )
 
-const analysisMessageToConfirm = `NOTE: running mizu with --analysis flag will upload recorded traffic for further analysis and enriched presentation options.`
+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.`,
+ Supported protocols are HTTP and gRPC.`,
 	RunE: func(cmd *cobra.Command, args []string) error {
-		go telemetry.ReportRun("tap", config.Config.Tap)
-		RunMizuTap()
-		return nil
-	},
-	PreRunE: func(cmd *cobra.Command, args []string) error {
-		if len(args) == 1 {
-			config.Config.Tap.PodRegexStr = args[0]
+		if len(args) == 0 {
+			return errors.New("POD REGEX argument is required")
 		} else if len(args) > 1 {
 			return errors.New("unexpected number of arguments")
 		}
 
-		if err := config.Config.Validate(); err != nil {
-			return errormessage.FormatError(err)
-		}
-
-		if err := config.Config.Tap.Validate(); err != nil {
-			return errormessage.FormatError(err)
-		}
-
-		logger.Log.Infof("Mizu will store up to %s of traffic, old traffic will be cleared once the limit is reached.", config.Config.Tap.HumanMaxEntriesDBSize)
-
-		if config.Config.Tap.Analysis {
-			logger.Log.Infof(analysisMessageToConfirm)
-			if !uiUtils.AskForConfirmation("Would you like to proceed [Y/n]: ") {
-				logger.Log.Infof("You can always run mizu without analysis, aborting")
-				os.Exit(0)
-			}
+		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
 	},
 }
@@ -58,17 +47,11 @@ Supported protocols are HTTP and gRPC.`,
 func init() {
 	rootCmd.AddCommand(tapCmd)
 
-	defaultTapConfig := configStructs.TapConfig{}
-	defaults.Set(&defaultTapConfig)
-
-	tapCmd.Flags().Uint16P(configStructs.GuiPortTapName, "p", defaultTapConfig.GuiPort, "Provide a custom port for the web interface webserver")
-	tapCmd.Flags().StringSliceP(configStructs.NamespacesTapName, "n", defaultTapConfig.Namespaces, "Namespaces selector")
-	tapCmd.Flags().Bool(configStructs.AnalysisTapName, defaultTapConfig.Analysis, "Uploads traffic to UP9 for further analysis (Beta)")
-	tapCmd.Flags().BoolP(configStructs.AllNamespacesTapName, "A", defaultTapConfig.AllNamespaces, "Tap all namespaces")
-	tapCmd.Flags().StringSliceP(configStructs.PlainTextFilterRegexesTapName, "r", defaultTapConfig.PlainTextFilterRegexes, "List of regex expressions that are used to filter matching values from text/plain http bodies")
-	tapCmd.Flags().Bool(configStructs.DisableRedactionTapName, defaultTapConfig.DisableRedaction, "Disables redaction of potentially sensitive request/response headers and body values")
-	tapCmd.Flags().String(configStructs.HumanMaxEntriesDBSizeTapName, defaultTapConfig.HumanMaxEntriesDBSize, "Override the default max entries db size")
-	tapCmd.Flags().String(configStructs.DirectionTapName, defaultTapConfig.Direction, "Record traffic that goes in this direction (relative to the tapped pod): in/any")
-	tapCmd.Flags().Bool(configStructs.DryRunTapName, defaultTapConfig.DryRun, "Preview of all pods matching the regex, without tapping them")
-	tapCmd.Flags().String(configStructs.EnforcePolicyFile, defaultTapConfig.EnforcePolicyFile, "Yaml file with policy rules")
+	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

@@ -1,387 +1,169 @@
 package cmd
 
 import (
-	"bytes"
 	"context"
-	"encoding/json"
 	"fmt"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/mizu/fsUtils"
-	"github.com/up9inc/mizu/cli/mizu/goUtils"
-	"github.com/up9inc/mizu/cli/mizu/version"
-	"net/http"
-	"net/url"
+	"github.com/up9inc/mizu/shared"
 	"os"
 	"os/signal"
-	"path"
 	"regexp"
-	"strings"
 	"syscall"
 	"time"
 
-	"github.com/up9inc/mizu/cli/errormessage"
+	core "k8s.io/api/core/v1"
+
+	"github.com/up9inc/mizu/cli/debounce"
 	"github.com/up9inc/mizu/cli/kubernetes"
 	"github.com/up9inc/mizu/cli/mizu"
-	"github.com/up9inc/mizu/cli/uiUtils"
-	"github.com/up9inc/mizu/shared"
-	"github.com/up9inc/mizu/shared/debounce"
-	yaml "gopkg.in/yaml.v3"
-	core "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/util/wait"
 )
 
+var mizuServiceAccountExists bool
+var aggregatorService *core.Service
+
 const (
-	cleanupTimeout     = time.Minute
 	updateTappersDelay = 5 * time.Second
 )
 
-type tapState struct {
-	apiServerService         *core.Service
-	currentlyTappedPods      []core.Pod
-	mizuServiceAccountExists bool
-	doNotRemoveConfigMap     bool
-}
+var currentlyTappedPods []core.Pod
 
-var state tapState
-
-func RunMizuTap() {
-	mizuApiFilteringOptions, err := getMizuApiFilteringOptions()
+func RunMizuTap(podRegexQuery *regexp.Regexp, tappingOptions *MizuTapOptions) {
+	mizuApiFilteringOptions, err := getMizuApiFilteringOptions(tappingOptions)
 	if err != nil {
-		logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error parsing regex-masking: %v", errormessage.FormatError(err)))
-		return
-	}
-	var mizuValidationRules string
-	if config.Config.Tap.EnforcePolicyFile != "" {
-		mizuValidationRules, err = readValidationRules(config.Config.Tap.EnforcePolicyFile)
-		if err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error reading policy file: %v", errormessage.FormatError(err)))
-			return
-		}
-	}
-
-	kubernetesProvider, err := kubernetes.NewProvider(config.Config.KubeConfigPath)
-	if err != nil {
-		logger.Log.Error(err)
 		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
 
-	targetNamespaces := getNamespaces(kubernetesProvider)
-
-	var namespacesStr string
-	if !mizu.Contains(targetNamespaces, mizu.K8sAllNamespaces) {
-		namespacesStr = fmt.Sprintf("namespaces \"%s\"", strings.Join(targetNamespaces, "\", \""))
+	if matchingPods, err := kubernetesProvider.GetAllPodsMatchingRegex(ctx, podRegexQuery); err != nil {
+		return
 	} else {
-		namespacesStr = "all namespaces"
+		currentlyTappedPods = matchingPods
 	}
-	version.CheckNewerVersion()
-	logger.Log.Infof("Tapping pods in %s", namespacesStr)
 
-	if err, _ := updateCurrentlyTappedPods(kubernetesProvider, ctx, targetNamespaces); err != nil {
-		logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error getting pods by regex: %v", errormessage.FormatError(err)))
+	nodeToTappedPodIPMap, err := getNodeHostToTappedPodIpsMap(currentlyTappedPods)
+	if err != nil {
 		return
 	}
 
-	if len(state.currentlyTappedPods) == 0 {
-		var suggestionStr string
-		if !mizu.Contains(targetNamespaces, mizu.K8sAllNamespaces) {
-			suggestionStr = ". Select a different namespace with -n or tap all namespaces with -A"
-		}
-		logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Did not find any pods matching the regex argument%s", suggestionStr))
-	}
-
-	if config.Config.Tap.DryRun {
+	if err := createMizuResources(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions, mizuApiFilteringOptions); err != nil {
 		return
 	}
 
-	nodeToTappedPodIPMap := getNodeHostToTappedPodIpsMap(state.currentlyTappedPods)
-
-	defer cleanUpMizuResources(kubernetesProvider)
-	if err := createMizuResources(ctx, kubernetesProvider, nodeToTappedPodIPMap, mizuApiFilteringOptions, mizuValidationRules); err != nil {
-		logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error creating resources: %v", errormessage.FormatError(err)))
-		return
-	}
-
-	go goUtils.HandleExcWrapper(createProxyToApiServerPod, ctx, kubernetesProvider, cancel)
-	go goUtils.HandleExcWrapper(watchPodsForTapping, ctx, kubernetesProvider, targetNamespaces, cancel)
+	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 readValidationRules(file string) (string, error) {
-	rules, err := shared.DecodeEnforcePolicy(file)
-	if err != nil {
-		return "", err
-	}
-	newContent, _ := yaml.Marshal(&rules)
-	return string(newContent), nil
-}
-
-func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, mizuApiFilteringOptions *shared.TrafficFilteringOptions, mizuValidationRules string) error {
-	if !config.Config.IsNsRestrictedMode() {
-		if err := createMizuNamespace(ctx, kubernetesProvider); err != nil {
-			return err
-		}
-	}
-
-	if err := createMizuApiServer(ctx, kubernetesProvider, mizuApiFilteringOptions); err != nil {
+func createMizuResources(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string, tappingOptions *MizuTapOptions, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
+	if err := createMizuAggregator(ctx, kubernetesProvider, tappingOptions, mizuApiFilteringOptions); err != nil {
 		return err
 	}
 
-	if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap); err != nil {
+	if err := createMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions); err != nil {
 		return err
 	}
 
-	if err := createMizuConfigmap(ctx, kubernetesProvider, mizuValidationRules); err != nil {
-		logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to create resources required for policy validation. Mizu will not validate policy rules. error: %v\n", errormessage.FormatError(err)))
-		state.doNotRemoveConfigMap = true
-	} else if mizuValidationRules == "" {
-		state.doNotRemoveConfigMap = true
-	}
-
 	return nil
 }
 
-func createMizuConfigmap(ctx context.Context, kubernetesProvider *kubernetes.Provider, data string) error {
-	err := kubernetesProvider.CreateConfigMap(ctx, config.Config.MizuResourcesNamespace, mizu.ConfigMapName, data)
-	return err
-}
-
-func createMizuNamespace(ctx context.Context, kubernetesProvider *kubernetes.Provider) error {
-	_, err := kubernetesProvider.CreateNamespace(ctx, config.Config.MizuResourcesNamespace)
-	return err
-}
-
-func createMizuApiServer(ctx context.Context, kubernetesProvider *kubernetes.Provider, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
+func createMizuAggregator(ctx context.Context, kubernetesProvider *kubernetes.Provider, tappingOptions *MizuTapOptions, mizuApiFilteringOptions *shared.TrafficFilteringOptions) error {
 	var err error
 
-	state.mizuServiceAccountExists, err = createRBACIfNecessary(ctx, kubernetesProvider)
-	if err != nil {
-		logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Failed to ensure the resources required for IP resolving. Mizu will not resolve target IPs to names. error: %v", errormessage.FormatError(err)))
-	}
-
-	var serviceAccountName string
-	if state.mizuServiceAccountExists {
-		serviceAccountName = mizu.ServiceAccountName
-	} else {
-		serviceAccountName = ""
-	}
-
-	opts := &kubernetes.ApiServerOptions{
-		Namespace:               config.Config.MizuResourcesNamespace,
-		PodName:                 mizu.ApiServerPodName,
-		PodImage:                config.Config.AgentImage,
-		ServiceAccountName:      serviceAccountName,
-		IsNamespaceRestricted:   config.Config.IsNsRestrictedMode(),
-		MizuApiFilteringOptions: mizuApiFilteringOptions,
-		MaxEntriesDBSizeBytes:   config.Config.Tap.MaxEntriesDBSizeBytes(),
-	}
-	_, err = kubernetesProvider.CreateMizuApiServerPod(ctx, opts)
+	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
 	}
-	logger.Log.Debugf("Successfully created API server pod: %s", mizu.ApiServerPodName)
 
-	state.apiServerService, err = kubernetesProvider.CreateService(ctx, config.Config.MizuResourcesNamespace, mizu.ApiServerPodName, mizu.ApiServerPodName)
+	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
 	}
-	logger.Log.Debugf("Successfully created service: %s", mizu.ApiServerPodName)
 
 	return nil
 }
 
-func getMizuApiFilteringOptions() (*shared.TrafficFilteringOptions, error) {
-	var compiledRegexSlice []*shared.SerializableRegexp
-
-	if config.Config.Tap.PlainTextFilterRegexes != nil && len(config.Config.Tap.PlainTextFilterRegexes) > 0 {
-		compiledRegexSlice = make([]*shared.SerializableRegexp, 0)
-		for _, regexStr := range config.Config.Tap.PlainTextFilterRegexes {
-			compiledRegex, err := shared.CompileRegexToSerializableRegexp(regexStr)
-			if err != nil {
-				return nil, err
-			}
-			compiledRegexSlice = append(compiledRegexSlice, compiledRegex)
-		}
+func getMizuApiFilteringOptions(tappingOptions *MizuTapOptions) (*shared.TrafficFilteringOptions, error) {
+	if tappingOptions.PlainTextFilterRegexes == nil || len(tappingOptions.PlainTextFilterRegexes) == 0 {
+		return nil, nil
 	}
 
-	return &shared.TrafficFilteringOptions{
-		PlainTextMaskingRegexes:      compiledRegexSlice,
-		HealthChecksUserAgentHeaders: config.Config.Tap.HealthChecksUserAgentHeaders,
-		DisableRedaction:             config.Config.Tap.DisableRedaction,
-	}, 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 updateMizuTappers(ctx context.Context, kubernetesProvider *kubernetes.Provider, nodeToTappedPodIPMap map[string][]string) error {
-	if len(nodeToTappedPodIPMap) > 0 {
-		var serviceAccountName string
-		if state.mizuServiceAccountExists {
-			serviceAccountName = mizu.ServiceAccountName
-		} else {
-			serviceAccountName = ""
-		}
-
-		if err := kubernetesProvider.ApplyMizuTapperDaemonSet(
-			ctx,
-			config.Config.MizuResourcesNamespace,
-			mizu.TapperDaemonSetName,
-			config.Config.AgentImage,
-			mizu.TapperPodName,
-			fmt.Sprintf("%s.%s.svc.cluster.local", state.apiServerService.Name, state.apiServerService.Namespace),
-			nodeToTappedPodIPMap,
-			serviceAccountName,
-			config.Config.Tap.TapOutgoing(),
-		); err != nil {
-			return err
-		}
-		logger.Log.Debugf("Successfully created %v tappers", len(nodeToTappedPodIPMap))
-	} else {
-		if err := kubernetesProvider.RemoveDaemonSet(ctx, config.Config.MizuResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
-			return err
-		}
+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, cancel := context.WithTimeout(context.Background(), cleanupTimeout)
-	defer cancel()
-
-	if config.Config.DumpLogs {
-		mizuDir := mizu.GetMizuFolderPath()
-		filePath = path.Join(mizuDir, fmt.Sprintf("mizu_logs_%s.zip", time.Now().Format("2006_01_02__15_04_05")))
-		if err := fsUtils.DumpLogs(kubernetesProvider, removalCtx, filePath); err != nil {
-			logger.Log.Errorf("Failed dump logs %v", err)
-		}
+	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)
 	}
-
-	logger.Log.Infof("\nRemoving mizu resources\n")
-
-	if !config.Config.IsNsRestrictedMode() {
-		if err := kubernetesProvider.RemoveNamespace(removalCtx, config.Config.MizuResourcesNamespace); err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Namespace %s: %v", config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-			return
-		}
-	} else {
-		if err := kubernetesProvider.RemovePod(removalCtx, config.Config.MizuResourcesNamespace, mizu.ApiServerPodName); err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Pod %s in namespace %s: %v", mizu.ApiServerPodName, config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-		}
-
-		if err := kubernetesProvider.RemoveService(removalCtx, config.Config.MizuResourcesNamespace, mizu.ApiServerPodName); err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Service %s in namespace %s: %v", mizu.ApiServerPodName, config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-		}
-
-		if err := kubernetesProvider.RemoveDaemonSet(removalCtx, config.Config.MizuResourcesNamespace, mizu.TapperDaemonSetName); err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing DaemonSet %s in namespace %s: %v", mizu.TapperDaemonSetName, config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-		}
-
-		if !state.doNotRemoveConfigMap {
-			if err := kubernetesProvider.RemoveConfigMap(removalCtx, config.Config.MizuResourcesNamespace, mizu.ConfigMapName); err != nil {
-				logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing ConfigMap %s in namespace %s: %v", mizu.ConfigMapName, config.Config.MizuResourcesNamespace, errormessage.FormatError(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 state.mizuServiceAccountExists {
-		if !config.Config.IsNsRestrictedMode() {
-			if err := kubernetesProvider.RemoveNonNamespacedResources(removalCtx, mizu.ClusterRoleName, mizu.ClusterRoleBindingName); err != nil {
-				logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing non-namespaced resources: %v", errormessage.FormatError(err)))
-				return
-			}
-		} else {
-			if err := kubernetesProvider.RemoveServicAccount(removalCtx, config.Config.MizuResourcesNamespace, mizu.ServiceAccountName); err != nil {
-				logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Service Account %s in namespace %s: %v", mizu.ServiceAccountName, config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-				return
-			}
-
-			if err := kubernetesProvider.RemoveRole(removalCtx, config.Config.MizuResourcesNamespace, mizu.RoleName); err != nil {
-				logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing Role %s in namespace %s: %v", mizu.RoleName, config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-			}
-
-			if err := kubernetesProvider.RemoveRoleBinding(removalCtx, config.Config.MizuResourcesNamespace, mizu.RoleBindingName); err != nil {
-				logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error removing RoleBinding %s in namespace %s: %v", mizu.RoleBindingName, config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-			}
-		}
-	}
-
-	if !config.Config.IsNsRestrictedMode() {
-		waitUntilNamespaceDeleted(removalCtx, cancel, kubernetesProvider)
+	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 waitUntilNamespaceDeleted(ctx context.Context, cancel context.CancelFunc, kubernetesProvider *kubernetes.Provider) {
-	// Call cancel if a terminating signal was received. Allows user to skip the wait.
-	go func() {
-		waitForFinish(ctx, cancel)
-	}()
-
-	if err := kubernetesProvider.WaitUtilNamespaceDeleted(ctx, config.Config.MizuResourcesNamespace); err != nil {
-		switch {
-		case ctx.Err() == context.Canceled:
-			// Do nothing. User interrupted the wait.
-		case err == wait.ErrWaitTimeout:
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Timeout while removing Namespace %s", config.Config.MizuResourcesNamespace))
-		default:
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error while waiting for Namespace %s to be deleted: %v", config.Config.MizuResourcesNamespace, errormessage.FormatError(err)))
-		}
-	}
-}
-
-func reportTappedPods() {
-	mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.Tap.GuiPort)
-	tappedPodsUrl := fmt.Sprintf("http://%s/status/tappedPods", mizuProxiedUrl)
-
-	podInfos := make([]shared.PodInfo, 0)
-	for _, pod := range state.currentlyTappedPods {
-		podInfos = append(podInfos, shared.PodInfo{Name: pod.Name, Namespace: pod.Namespace})
-	}
-	tapStatus := shared.TapStatus{Pods: podInfos}
-
-	if jsonValue, err := json.Marshal(tapStatus); err != nil {
-		logger.Log.Debugf("[ERROR] failed Marshal the tapped pods %v", err)
-	} else {
-		if response, err := http.Post(tappedPodsUrl, "application/json", bytes.NewBuffer(jsonValue)); err != nil {
-			logger.Log.Debugf("[ERROR] failed sending to API server the tapped pods %v", err)
-		} else if response.StatusCode != 200 {
-			logger.Log.Debugf("[ERROR] failed sending to API server the tapped pods, response status code %v", response.StatusCode)
-		} else {
-			logger.Log.Debugf("Reported to server API about %d taped pods successfully", len(podInfos))
-		}
-	}
-}
-
-func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Provider, targetNamespaces []string, cancel context.CancelFunc) {
-	added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider, targetNamespaces, config.Config.Tap.PodRegex())
+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() {
-		err, changeFound := updateCurrentlyTappedPods(kubernetesProvider, ctx, targetNamespaces)
+		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 {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Failed to update currently tapped pods: %v", err))
+			fmt.Printf("Error building node to ips map: %s (%v,%+v)\n", err, err, err)
 			cancel()
 		}
 
-		if !changeFound {
-			logger.Log.Debugf("Nothing changed update tappers not needed")
-			return
-		}
-
-		reportTappedPods()
-
-		nodeToTappedPodIPMap := getNodeHostToTappedPodIpsMap(state.currentlyTappedPods)
-		if err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error building node to ips map: %v", errormessage.FormatError(err)))
-			cancel()
-		}
-		if err := updateMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap); err != nil {
-			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error updating daemonset: %v", errormessage.FormatError(err)))
+		if err := createMizuTappers(ctx, kubernetesProvider, nodeToTappedPodIPMap, tappingOptions); err != nil {
+			fmt.Printf("Error updating daemonset: %s (%v,%+v)\n", err, err, err)
 			cancel()
 		}
 	}
@@ -389,187 +171,94 @@ func watchPodsForTapping(ctx context.Context, kubernetesProvider *kubernetes.Pro
 
 	for {
 		select {
-		case pod := <-added:
-			logger.Log.Debugf("Added matching pod %s, ns: %s", pod.Name, pod.Namespace)
+		case newTarget := <-added:
+			fmt.Printf("+%s\n", newTarget.Name)
+
+		case removedTarget := <-removed:
+			fmt.Printf("-%s\n", removedTarget.Name)
 			restartTappersDebouncer.SetOn()
-		case pod := <-removed:
-			logger.Log.Debugf("Removed matching pod %s, ns: %s", pod.Name, pod.Namespace)
-			restartTappersDebouncer.SetOn()
-		case pod := <-modified:
-			logger.Log.Debugf("Modified matching pod %s, ns: %s, phase: %s, ip: %s", pod.Name, pod.Namespace, pod.Status.Phase, pod.Status.PodIP)
+
+		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 pod.Status.PodIP != "" {
+			if modifiedTarget.Status.PodIP != "" {
 				restartTappersDebouncer.SetOn()
 			}
 
-		case err := <-errorChan:
-			logger.Log.Debugf("Watching pods loop, got error %v, stopping `restart tappers debouncer`", err)
-			restartTappersDebouncer.Cancel()
+		case <-errorChan:
 			// TODO: Does this also perform cleanup?
 			cancel()
 
 		case <-ctx.Done():
-			logger.Log.Debugf("Watching pods loop, context done, stopping `restart tappers debouncer`")
-			restartTappersDebouncer.Cancel()
 			return
 		}
 	}
 }
 
-func updateCurrentlyTappedPods(kubernetesProvider *kubernetes.Provider, ctx context.Context, targetNamespaces []string) (error, bool) {
-	changeFound := false
-	if matchingPods, err := kubernetesProvider.ListAllRunningPodsMatchingRegex(ctx, config.Config.Tap.PodRegex(), targetNamespaces); err != nil {
-		return err, false
-	} else {
-		podsToTap := excludeMizuPods(matchingPods)
-		addedPods, removedPods := getPodArrayDiff(state.currentlyTappedPods, podsToTap)
-		for _, addedPod := range addedPods {
-			changeFound = true
-			logger.Log.Infof(uiUtils.Green, fmt.Sprintf("+%s", addedPod.Name))
-		}
-		for _, removedPod := range removedPods {
-			changeFound = true
-			logger.Log.Infof(uiUtils.Red, fmt.Sprintf("-%s", removedPod.Name))
-		}
-		state.currentlyTappedPods = podsToTap
-	}
-
-	return nil, changeFound
-}
-
-func excludeMizuPods(pods []core.Pod) []core.Pod {
-	mizuPrefixRegex := regexp.MustCompile("^" + mizu.MizuResourcesPrefix)
-
-	nonMizuPods := make([]core.Pod, 0)
-	for _, pod := range pods {
-		if !mizuPrefixRegex.MatchString(pod.Name) {
-			nonMizuPods = append(nonMizuPods, pod)
-		}
-	}
-
-	return nonMizuPods
-}
-
-func getPodArrayDiff(oldPods []core.Pod, newPods []core.Pod) (added []core.Pod, removed []core.Pod) {
-	added = getMissingPods(newPods, oldPods)
-	removed = getMissingPods(oldPods, newPods)
-
-	return added, removed
-}
-
-//returns pods present in pods1 array and missing in pods2 array
-func getMissingPods(pods1 []core.Pod, pods2 []core.Pod) []core.Pod {
-	missingPods := make([]core.Pod, 0)
-	for _, pod1 := range pods1 {
-		var found = false
-		for _, pod2 := range pods2 {
-			if pod1.UID == pod2.UID {
-				found = true
-				break
-			}
-		}
-		if !found {
-			missingPods = append(missingPods, pod1)
-		}
-	}
-	return missingPods
-}
-
-func createProxyToApiServerPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
-	podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s$", mizu.ApiServerPodName))
-	added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider, []string{config.Config.MizuResourcesNamespace}, podExactRegex)
+func portForwardApiPod(ctx context.Context, kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc, tappingOptions *MizuTapOptions) {
+	podExactRegex := regexp.MustCompile(fmt.Sprintf("^%s$", mizu.AggregatorPodName))
+	added, modified, removed, errorChan := kubernetes.FilteredWatch(ctx, kubernetesProvider.GetPodWatcher(ctx, mizu.ResourcesNamespace), podExactRegex)
 	isPodReady := false
-	timeAfter := time.After(25 * time.Second)
+	var portForward *kubernetes.PortForward
 	for {
 		select {
-		case <-ctx.Done():
-			logger.Log.Debugf("Watching API Server pod loop, ctx done")
-			return
 		case <-added:
-			logger.Log.Debugf("Watching API Server pod loop, added")
 			continue
 		case <-removed:
-			logger.Log.Infof("%s removed", mizu.ApiServerPodName)
+			fmt.Printf("%s removed\n", mizu.AggregatorPodName)
 			cancel()
 			return
 		case modifiedPod := <-modified:
-			if modifiedPod == nil {
-				logger.Log.Debugf("Watching API Server pod loop, modifiedPod with nil")
-				continue
-			}
-			logger.Log.Debugf("Watching API Server pod loop, modified: %v", modifiedPod.Status.Phase)
-			if modifiedPod.Status.Phase == core.PodRunning && !isPodReady {
+			if modifiedPod.Status.Phase == "Running" && !isPodReady {
 				isPodReady = true
-				go startProxyReportErrorIfAny(kubernetesProvider, cancel)
-				logger.Log.Infof("Mizu is available at http://%s\n", kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.Tap.GuiPort))
-				time.Sleep(time.Second * 5) // Waiting to be sure the proxy is ready
-				requestForAnalysis()
-				reportTappedPods()
+				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 <-timeAfter:
+
+		case <-time.After(25 * time.Second):
 			if !isPodReady {
-				logger.Log.Errorf(uiUtils.Error, "Mizu API server was not ready in time")
+				fmt.Printf("error: %s pod was not ready in time", mizu.AggregatorPodName)
 				cancel()
 			}
+
 		case <-errorChan:
-			logger.Log.Debugf("[ERROR] Agent creation, watching %v namespace", config.Config.MizuResourcesNamespace)
 			cancel()
+
+		case <-ctx.Done():
+			if portForward != nil {
+				portForward.Stop()
+			}
+			return
 		}
 	}
 }
 
-func startProxyReportErrorIfAny(kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
-	err := kubernetes.StartProxy(kubernetesProvider, config.Config.Tap.GuiPort, config.Config.MizuResourcesNamespace, mizu.ApiServerPodName)
+func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) bool {
+	mizuRBACExists, err := kubernetesProvider.DoesMizuRBACExist(ctx, mizu.ResourcesNamespace)
 	if err != nil {
-		logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error occured while running k8s proxy %v\n"+
-			"Try setting different port by using --%s", errormessage.FormatError(err), configStructs.GuiPortTapName))
-		cancel()
+		fmt.Printf("warning: could not ensure mizu rbac resources exist %v\n", err)
+		return false
 	}
-}
-
-func requestForAnalysis() {
-	if !config.Config.Tap.Analysis {
-		return
-	}
-
-	mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.Tap.GuiPort)
-	urlPath := fmt.Sprintf("http://%s/api/uploadEntries?dest=%s&interval=%v", mizuProxiedUrl, url.QueryEscape(config.Config.Tap.AnalysisDestination), config.Config.Tap.SleepIntervalSec)
-	u, parseErr := url.ParseRequestURI(urlPath)
-	if parseErr != nil {
-		logger.Log.Fatal("Failed parsing the URL (consider changing the analysis dest URL), err: %v", parseErr)
-	}
-
-	logger.Log.Debugf("Sending get request to %v", u.String())
-	if response, requestErr := http.Get(u.String()); requestErr != nil {
-		logger.Log.Errorf("Failed to notify agent for analysis, err: %v", requestErr)
-	} else if response.StatusCode != 200 {
-		logger.Log.Errorf("Failed to notify agent for analysis, status code: %v", response.StatusCode)
-	} else {
-		logger.Log.Infof(uiUtils.Purple, "Traffic is uploading to UP9 for further analysis")
-	}
-}
-
-func createRBACIfNecessary(ctx context.Context, kubernetesProvider *kubernetes.Provider) (bool, error) {
-	if !config.Config.IsNsRestrictedMode() {
-		err := kubernetesProvider.CreateMizuRBAC(ctx, config.Config.MizuResourcesNamespace, mizu.ServiceAccountName, mizu.ClusterRoleName, mizu.ClusterRoleBindingName, mizu.RBACVersion)
+	if !mizuRBACExists {
+		err := kubernetesProvider.CreateMizuRBAC(ctx, mizu.ResourcesNamespace, mizu.RBACVersion)
 		if err != nil {
-			return false, err
-		}
-	} else {
-		err := kubernetesProvider.CreateMizuRBACNamespaceRestricted(ctx, config.Config.MizuResourcesNamespace, mizu.ServiceAccountName, mizu.RoleName, mizu.RoleBindingName, mizu.RBACVersion)
-		if err != nil {
-			return false, err
+			fmt.Printf("warning: could not create mizu rbac resources %v\n", err)
+			return false
 		}
 	}
-	return true, nil
+	return true
 }
 
-func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) map[string][]string {
+func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) (map[string][]string, error) {
 	nodeToTappedPodIPMap := make(map[string][]string, 0)
 	for _, pod := range tappedPods {
 		existingList := nodeToTappedPodIPMap[pod.Spec.NodeName]
@@ -579,7 +268,7 @@ func getNodeHostToTappedPodIpsMap(tappedPods []core.Pod) map[string][]string {
 			nodeToTappedPodIPMap[pod.Spec.NodeName] = append(nodeToTappedPodIPMap[pod.Spec.NodeName], pod.Status.PodIP)
 		}
 	}
-	return nodeToTappedPodIPMap
+	return nodeToTappedPodIPMap, nil
 }
 
 func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
@@ -595,12 +284,34 @@ func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
 	}
 }
 
-func getNamespaces(kubernetesProvider *kubernetes.Provider) []string {
-	if config.Config.Tap.AllNamespaces {
-		return []string{mizu.K8sAllNamespaces}
-	} else if len(config.Config.Tap.Namespaces) > 0 {
-		return config.Config.Tap.Namespaces
+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 []string{kubernetesProvider.CurrentNamespace()}
+		return kubernetesProvider.CurrentNamespace()
 	}
 }

cli/cmd/version.go

@@ -1,30 +1,32 @@
 package cmd
 
 import (
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/telemetry"
+	"fmt"
+	"github.com/up9inc/mizu/cli/mizu"
 	"strconv"
 	"time"
 
-	"github.com/creasty/defaults"
 	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/mizu"
 )
 
+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 {
-		go telemetry.ReportRun("version", config.Config.Version)
-		if config.Config.Version.DebugInfo {
+		if mizuVersionOptions.DebugInfo {
 			timeStampInt, _ := strconv.ParseInt(mizu.BuildTimestamp, 10, 0)
-			logger.Log.Infof("Version: %s \nBranch: %s (%s)", mizu.SemVer, mizu.Branch, mizu.GitCommitHash)
-			logger.Log.Infof("Build Time: %s (%s)", mizu.BuildTimestamp, time.Unix(timeStampInt, 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 {
-			logger.Log.Infof("Version: %s (%s)", mizu.SemVer, mizu.Branch)
+			fmt.Printf("Version: %s (%s)\n", mizu.SemVer, mizu.Branch)
 		}
 		return nil
 	},
@@ -33,9 +35,6 @@ var versionCmd = &cobra.Command{
 func init() {
 	rootCmd.AddCommand(versionCmd)
 
-	defaultVersionConfig := configStructs.VersionConfig{}
-	defaults.Set(&defaultVersionConfig)
-
-	versionCmd.Flags().BoolP(configStructs.DebugInfoVersionName, "d", defaultVersionConfig.DebugInfo, "Provide all information about version")
+	versionCmd.Flags().BoolVarP(&mizuVersionOptions.DebugInfo, "debug", "d", false, "Provide all information about version")
 
 }

cli/cmd/view.go

@@ -1,18 +1,13 @@
 package cmd
 
 import (
-	"github.com/creasty/defaults"
 	"github.com/spf13/cobra"
-	"github.com/up9inc/mizu/cli/config"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/telemetry"
 )
 
 var viewCmd = &cobra.Command{
 	Use:   "view",
 	Short: "Open GUI in browser",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		go telemetry.ReportRun("view", config.Config.View)
 		runMizuView()
 		return nil
 	},
@@ -20,10 +15,4 @@ var viewCmd = &cobra.Command{
 
 func init() {
 	rootCmd.AddCommand(viewCmd)
-
-	defaultViewConfig := configStructs.ViewConfig{}
-	defaults.Set(&defaultViewConfig)
-
-	viewCmd.Flags().Uint16P(configStructs.GuiPortViewName, "p", defaultViewConfig.GuiPort, "Provide a custom port for the web interface webserver")
-	viewCmd.Flags().StringP(configStructs.KubeConfigPathViewName, "k", defaultViewConfig.KubeConfigPath, "Path to kube-config file")
 }

cli/cmd/viewRunner.go

@@ -3,55 +3,31 @@ package cmd
 import (
 	"context"
 	"fmt"
-	"github.com/up9inc/mizu/cli/config"
 	"github.com/up9inc/mizu/cli/kubernetes"
-	"github.com/up9inc/mizu/cli/logger"
 	"github.com/up9inc/mizu/cli/mizu"
-	"github.com/up9inc/mizu/cli/mizu/version"
 	"net/http"
 )
 
 func runMizuView() {
-	kubernetesProvider, err := kubernetes.NewProvider(config.Config.View.KubeConfigPath)
-	if err != nil {
-		logger.Log.Error(err)
-		return
-	}
+	kubernetesProvider := kubernetes.NewProvider("")
 
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	exists, err := kubernetesProvider.DoesServicesExist(ctx, config.Config.MizuResourcesNamespace, mizu.ApiServerPodName)
+	exists, err := kubernetesProvider.DoesServicesExist(ctx, mizu.ResourcesNamespace, mizu.AggregatorPodName)
 	if err != nil {
-		logger.Log.Errorf("Failed to found mizu service %v", err)
-		cancel()
-		return
+		panic(err)
 	}
 	if !exists {
-		logger.Log.Infof("%s service not found, you should run `mizu tap` command first", mizu.ApiServerPodName)
-		cancel()
+		fmt.Printf("The %s service not found\n", mizu.AggregatorPodName)
 		return
 	}
 
-	mizuProxiedUrl := kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.View.GuiPort)
-	_, err = http.Get(fmt.Sprintf("http://%s/", mizuProxiedUrl))
+	_, err = http.Get("http://localhost:8899/")
 	if err == nil {
-		logger.Log.Infof("Found a running service %s and open port %d", mizu.ApiServerPodName, config.Config.View.GuiPort)
+		fmt.Printf("Found a running service %s and open port 8899\n", mizu.AggregatorPodName)
 		return
 	}
-	logger.Log.Debugf("Found service %s, creating k8s proxy", mizu.ApiServerPodName)
-
-	go startProxyReportErrorIfAny(kubernetesProvider, cancel)
-
-	logger.Log.Infof("Mizu is available at  http://%s\n", kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.View.GuiPort))
-	if isCompatible, err := version.CheckVersionCompatibility(config.Config.View.GuiPort); err != nil {
-		logger.Log.Errorf("Failed to check versions compatibility %v", err)
-		cancel()
-		return
-	} else if !isCompatible {
-		cancel()
-		return
-	}
-
-	waitForFinish(ctx, cancel)
+	fmt.Printf("Found service %s, creating port forwarding to 8899\n", mizu.AggregatorPodName)
+	portForwardApiPod(ctx, kubernetesProvider, cancel, &MizuTapOptions{GuiPort: 8899, MizuPodPort: 8899})
 }

cli/config/config.go

@@ -1,329 +0,0 @@
-package config
-
-import (
-	"errors"
-	"fmt"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/logger"
-	"github.com/up9inc/mizu/cli/mizu"
-	"io/ioutil"
-	"os"
-	"path"
-	"reflect"
-	"strconv"
-	"strings"
-
-	"github.com/creasty/defaults"
-	"github.com/spf13/cobra"
-	"github.com/spf13/pflag"
-	"github.com/up9inc/mizu/cli/uiUtils"
-	"gopkg.in/yaml.v3"
-)
-
-const (
-	Separator      = "="
-	SetCommandName = "set"
-	FieldNameTag   = "yaml"
-	ReadonlyTag    = "readonly"
-)
-
-var allowedSetFlags = []string{
-	AgentImageConfigName,
-	MizuResourcesNamespaceConfigName,
-	TelemetryConfigName,
-	DumpLogsConfigName,
-	KubeConfigPathName,
-	configStructs.AnalysisDestinationTapName,
-	configStructs.SleepIntervalSecTapName,
-	configStructs.IgnoredUserAgentsTapName,
-}
-
-var Config = ConfigStruct{}
-
-func (config *ConfigStruct) Validate() error {
-	if config.IsNsRestrictedMode() {
-		if config.Tap.AllNamespaces || len(config.Tap.Namespaces) != 1 || config.Tap.Namespaces[0] != config.MizuResourcesNamespace {
-			return fmt.Errorf("Not supported mode. Mizu can't resolve IPs in other namespaces when running in namespace restricted mode.\n"+
-				"You can use the same namespace for --%s and --%s", configStructs.NamespacesTapName, MizuResourcesNamespaceConfigName)
-		}
-	}
-
-	return nil
-}
-
-func InitConfig(cmd *cobra.Command) error {
-	if err := defaults.Set(&Config); err != nil {
-		return err
-	}
-
-	if err := mergeConfigFile(); err != nil {
-		return fmt.Errorf("invalid config %w\n"+
-			"you can regenerate the file using `mizu config -r` or just remove it %v", err, GetConfigFilePath())
-	}
-
-	cmd.Flags().Visit(initFlag)
-
-	finalConfigPrettified, _ := uiUtils.PrettyJson(Config)
-	logger.Log.Debugf("Init config finished\n Final config: %v", finalConfigPrettified)
-
-	return nil
-}
-
-func GetConfigWithDefaults() (string, error) {
-	defaultConf := ConfigStruct{}
-	if err := defaults.Set(&defaultConf); err != nil {
-		return "", err
-	}
-
-	configElem := reflect.ValueOf(&defaultConf).Elem()
-	setZeroForReadonlyFields(configElem)
-
-	return uiUtils.PrettyYaml(defaultConf)
-}
-
-func GetConfigFilePath() string {
-	return path.Join(mizu.GetMizuFolderPath(), "config.yaml")
-}
-
-func mergeConfigFile() error {
-	reader, openErr := os.Open(GetConfigFilePath())
-	if openErr != nil {
-		return nil
-	}
-
-	buf, readErr := ioutil.ReadAll(reader)
-	if readErr != nil {
-		return readErr
-	}
-
-	if err := yaml.Unmarshal(buf, &Config); err != nil {
-		return err
-	}
-	logger.Log.Debugf("Found config file, merged to default options")
-
-	return nil
-}
-
-func initFlag(f *pflag.Flag) {
-	configElem := reflect.ValueOf(&Config).Elem()
-
-	sliceValue, isSliceValue := f.Value.(pflag.SliceValue)
-	if !isSliceValue {
-		mergeFlagValue(configElem, f.Name, f.Value.String())
-		return
-	}
-
-	if f.Name == SetCommandName {
-		mergeSetFlag(configElem, sliceValue.GetSlice())
-		return
-	}
-
-	mergeFlagValues(configElem, f.Name, sliceValue.GetSlice())
-}
-
-func mergeSetFlag(configElem reflect.Value, setValues []string) {
-	setMap := map[string][]string{}
-
-	for _, setValue := range setValues {
-		if !strings.Contains(setValue, Separator) {
-			logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Ignoring set argument %s (set argument format: <flag name>=<flag value>)", setValue))
-			continue
-		}
-
-		split := strings.SplitN(setValue, Separator, 2)
-		if len(split) != 2 {
-			logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Ignoring set argument %s (set argument format: <flag name>=<flag value>)", setValue))
-			continue
-		}
-
-		argumentKey, argumentValue := split[0], split[1]
-
-		setMap[argumentKey] = append(setMap[argumentKey], argumentValue)
-	}
-
-	for argumentKey, argumentValues := range setMap {
-		if !mizu.Contains(allowedSetFlags, argumentKey) {
-			logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Ignoring set argument name \"%s\", flag name must be one of the following: \"%s\"", argumentKey, strings.Join(allowedSetFlags, "\", \"")))
-			continue
-		}
-
-		if len(argumentValues) > 1 {
-			mergeFlagValues(configElem, argumentKey, argumentValues)
-		} else {
-			mergeFlagValue(configElem, argumentKey, argumentValues[0])
-		}
-	}
-}
-
-func mergeFlagValue(currentElem reflect.Value, flagKey string, flagValue string) {
-	for i := 0; i < currentElem.NumField(); i++ {
-		currentField := currentElem.Type().Field(i)
-		currentFieldByName := currentElem.FieldByName(currentField.Name)
-		currentFieldKind := currentField.Type.Kind()
-
-		if currentFieldKind == reflect.Struct {
-			mergeFlagValue(currentFieldByName, flagKey, flagValue)
-			continue
-		}
-
-		if getFieldNameByTag(currentField) != flagKey {
-			continue
-		}
-
-		if currentFieldKind == reflect.Slice {
-			mergeFlagValues(currentElem, flagKey, []string{flagValue})
-			return
-		}
-
-		parsedValue, err := getParsedValue(currentFieldKind, flagValue)
-		if err != nil {
-			logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Invalid value %s for flag name %s, expected %s", flagValue, flagKey, currentFieldKind))
-			return
-		}
-
-		currentFieldByName.Set(parsedValue)
-	}
-}
-
-func mergeFlagValues(currentElem reflect.Value, flagKey string, flagValues []string) {
-	for i := 0; i < currentElem.NumField(); i++ {
-		currentField := currentElem.Type().Field(i)
-		currentFieldByName := currentElem.FieldByName(currentField.Name)
-		currentFieldKind := currentField.Type.Kind()
-
-		if currentFieldKind == reflect.Struct {
-			mergeFlagValues(currentFieldByName, flagKey, flagValues)
-			continue
-		}
-
-		if getFieldNameByTag(currentField) != flagKey {
-			continue
-		}
-
-		if currentFieldKind != reflect.Slice {
-			logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Invalid values %s for flag name %s, expected %s", strings.Join(flagValues, ","), flagKey, currentFieldKind))
-			return
-		}
-
-		flagValueKind := currentField.Type.Elem().Kind()
-
-		parsedValues := reflect.MakeSlice(reflect.SliceOf(currentField.Type.Elem()), 0, 0)
-		for _, flagValue := range flagValues {
-			parsedValue, err := getParsedValue(flagValueKind, flagValue)
-			if err != nil {
-				logger.Log.Warningf(uiUtils.Warning, fmt.Sprintf("Invalid value %s for flag name %s, expected %s", flagValue, flagKey, flagValueKind))
-				return
-			}
-
-			parsedValues = reflect.Append(parsedValues, parsedValue)
-		}
-
-		currentFieldByName.Set(parsedValues)
-	}
-}
-
-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))
-		}
-	}
-}

cli/config/configStruct.go

@@ -1,35 +0,0 @@
-package config
-
-import (
-	"fmt"
-	"github.com/up9inc/mizu/cli/config/configStructs"
-	"github.com/up9inc/mizu/cli/mizu"
-)
-
-const (
-	AgentImageConfigName             = "agent-image"
-	MizuResourcesNamespaceConfigName = "mizu-resources-namespace"
-	TelemetryConfigName              = "telemetry"
-	DumpLogsConfigName               = "dump-logs"
-	KubeConfigPathName               = "kube-config-path"
-)
-
-type ConfigStruct struct {
-	Tap                    configStructs.TapConfig     `yaml:"tap"`
-	Fetch                  configStructs.FetchConfig   `yaml:"fetch"`
-	Version                configStructs.VersionConfig `yaml:"version"`
-	View                   configStructs.ViewConfig    `yaml:"view"`
-	AgentImage             string                      `yaml:"agent-image,omitempty" readonly:""`
-	MizuResourcesNamespace string                      `yaml:"mizu-resources-namespace" default:"mizu"`
-	Telemetry              bool                        `yaml:"telemetry" default:"true"`
-	DumpLogs               bool                        `yaml:"dump-logs" default:"false"`
-	KubeConfigPath         string                      `yaml:"kube-config-path" default:""`
-}
-
-func (config *ConfigStruct) SetDefaults() {
-	config.AgentImage = fmt.Sprintf("gcr.io/up9-docker-hub/mizu/%s:%s", mizu.Branch, mizu.SemVer)
-}
-
-func (config *ConfigStruct) IsNsRestrictedMode() bool {
-	return config.MizuResourcesNamespace != "mizu" // Notice "mizu" string must match the default MizuResourcesNamespace
-}

cli/config/configStructs/fetchConfig.go

@@ -1,15 +0,0 @@
-package configStructs
-
-const (
-	DirectoryFetchName     = "directory"
-	FromTimestampFetchName = "from"
-	ToTimestampFetchName   = "to"
-	GuiPortFetchName       = "gui-port"
-)
-
-type FetchConfig struct {
-	Directory     string `yaml:"directory" default:"."`
-	FromTimestamp int    `yaml:"from" default:"0"`
-	ToTimestamp   int    `yaml:"to" default:"0"`
-	GuiPort       uint16 `yaml:"gui-port" default:"8899"`
-}

cli/config/configStructs/tapConfig.go

@@ -1,81 +0,0 @@
-package configStructs
-
-import (
-	"errors"
-	"fmt"
-	"regexp"
-	"strings"
-
-	"github.com/up9inc/mizu/shared/units"
-)
-
-const (
-	AnalysisDestinationTapName    = "dest"
-	SleepIntervalSecTapName       = "upload-interval"
-	GuiPortTapName                = "gui-port"
-	NamespacesTapName             = "namespaces"
-	AnalysisTapName               = "analysis"
-	AllNamespacesTapName          = "all-namespaces"
-	PlainTextFilterRegexesTapName = "regex-masking"
-	DisableRedactionTapName       = "no-redact"
-	IgnoredUserAgentsTapName      = "ignored-user-agents"
-	HumanMaxEntriesDBSizeTapName  = "max-entries-db-size"
-	DirectionTapName              = "direction"
-	DryRunTapName                 = "dry-run"
-	EnforcePolicyFile             = "test-rules"
-)
-
-type TapConfig struct {
-	AnalysisDestination          string   `yaml:"dest" default:"up9.app"`
-	SleepIntervalSec             int      `yaml:"upload-interval" default:"10"`
-	PodRegexStr                  string   `yaml:"regex" default:".*"`
-	GuiPort                      uint16   `yaml:"gui-port" default:"8899"`
-	Namespaces                   []string `yaml:"namespaces"`
-	Analysis                     bool     `yaml:"analysis" default:"false"`
-	AllNamespaces                bool     `yaml:"all-namespaces" default:"false"`
-	PlainTextFilterRegexes       []string `yaml:"regex-masking"`
-	HealthChecksUserAgentHeaders []string `yaml:"ignored-user-agents"`
-	DisableRedaction             bool     `yaml:"no-redact" default:"false"`
-	HumanMaxEntriesDBSize        string   `yaml:"max-entries-db-size" default:"200MB"`
-	Direction                    string   `yaml:"direction" default:"in"`
-	DryRun                       bool     `yaml:"dry-run" default:"false"`
-	EnforcePolicyFile            string   `yaml:"test-rules"`
-}
-
-func (config *TapConfig) PodRegex() *regexp.Regexp {
-	podRegex, _ := regexp.Compile(config.PodRegexStr)
-	return podRegex
-}
-
-func (config *TapConfig) TapOutgoing() bool {
-	directionLowerCase := strings.ToLower(config.Direction)
-	if directionLowerCase == "any" {
-		return true
-	}
-
-	return false
-}
-
-func (config *TapConfig) MaxEntriesDBSizeBytes() int64 {
-	maxEntriesDBSizeBytes, _ := units.HumanReadableToBytes(config.HumanMaxEntriesDBSize)
-	return maxEntriesDBSizeBytes
-}
-
-func (config *TapConfig) Validate() error {
-	_, compileErr := regexp.Compile(config.PodRegexStr)
-	if compileErr != nil {
-		return errors.New(fmt.Sprintf("%s is not a valid regex %s", config.PodRegexStr, compileErr))
-	}
-
-	_, parseHumanDataSizeErr := units.HumanReadableToBytes(config.HumanMaxEntriesDBSize)
-	if parseHumanDataSizeErr != nil {
-		return errors.New(fmt.Sprintf("Could not parse --%s value %s", HumanMaxEntriesDBSizeTapName, config.HumanMaxEntriesDBSize))
-	}
-
-	directionLowerCase := strings.ToLower(config.Direction)
-	if directionLowerCase != "any" && directionLowerCase != "in" {
-		return errors.New(fmt.Sprintf("%s is not a valid value for flag --%s. Acceptable values are in/any.", config.Direction, DirectionTapName))
-	}
-
-	return nil
-}

cli/config/configStructs/versionConfig.go

@@ -1,9 +0,0 @@
-package configStructs
-
-const (
-	DebugInfoVersionName = "debug"
-)
-
-type VersionConfig struct {
-	DebugInfo bool `yaml:"debug" default:"false"`
-}

cli/config/configStructs/viewConfig.go

@@ -1,11 +0,0 @@
-package configStructs
-
-const (
-	GuiPortViewName        = "gui-port"
-	KubeConfigPathViewName = "kube-config"
-)
-
-type ViewConfig struct {
-	GuiPort        uint16 `yaml:"gui-port" default:"8899"`
-	KubeConfigPath string `yaml:"kube-config"`
-}

cli/config/config_test.go

@@ -1,39 +0,0 @@
-package config_test
-
-import (
-	"github.com/up9inc/mizu/cli/config"
-	"reflect"
-	"strings"
-	"testing"
-)
-
-func TestConfigWriteIgnoresReadonlyFields(t *testing.T) {
-	var readonlyFields []string
-
-	configElem := reflect.ValueOf(&config.ConfigStruct{}).Elem()
-	getFieldsWithReadonlyTag(configElem, &readonlyFields)
-
-	config, _ := config.GetConfigWithDefaults()
-	for _, readonlyField := range readonlyFields {
-		if strings.Contains(config, readonlyField) {
-			t.Errorf("unexpected result - readonly field: %v, config: %v", readonlyField, config)
-		}
-	}
-}
-
-func getFieldsWithReadonlyTag(currentElem reflect.Value, readonlyFields *[]string) {
-	for i := 0; i < currentElem.NumField(); i++ {
-		currentField := currentElem.Type().Field(i)
-		currentFieldByName := currentElem.FieldByName(currentField.Name)
-
-		if currentField.Type.Kind() == reflect.Struct {
-			getFieldsWithReadonlyTag(currentFieldByName, readonlyFields)
-			continue
-		}
-
-		if _, ok := currentField.Tag.Lookup(config.ReadonlyTag); ok {
-			fieldNameByTag := strings.Split(currentField.Tag.Get(config.FieldNameTag), ",")[0]
-			*readonlyFields = append(*readonlyFields, fieldNameByTag)
-		}
-	}
-}

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) {
@@ -27,28 +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")
-	}
+func (d *Debouncer) SetOn() {
 	if d.running == true {
-		return nil
+		return
 	}
 
 	d.running = true
 	d.timer = time.AfterFunc(d.timeout, d.callback)
-	return nil
 }

cli/errormessage/errormessage.go

@@ -1,36 +0,0 @@
-package errormessage
-
-import (
-	"errors"
-	"fmt"
-	"github.com/up9inc/mizu/cli/config"
-	regexpsyntax "regexp/syntax"
-
-	k8serrors "k8s.io/apimachinery/pkg/api/errors"
-)
-
-// formatError wraps error with a detailed message that is meant for the user.
-// While the errors are meant to be displayed, they are not meant to be exported as classes outsite of CLI.
-func FormatError(err error) error {
-	var errorNew error
-	if k8serrors.IsForbidden(err) {
-		errorNew = fmt.Errorf("insufficient permissions: %w. "+
-			"supply the required permission or control Mizu's access to namespaces by setting %s "+
-			"in the config file or setting the tapped namespace with --%s %s=<NAMEPSACE>",
-			err,
-			config.MizuResourcesNamespaceConfigName,
-			config.SetCommandName,
-			config.MizuResourcesNamespaceConfigName)
-	} else if syntaxError, isSyntaxError := asRegexSyntaxError(err); isSyntaxError {
-		errorNew = fmt.Errorf("regex %s is invalid: %w", syntaxError.Expr, err)
-	} else {
-		errorNew = err
-	}
-
-	return errorNew
-}
-
-func asRegexSyntaxError(err error) (*regexpsyntax.Error, bool) {
-	var syntaxError *regexpsyntax.Error
-	return syntaxError, errors.As(err, &syntaxError)
-}

cli/go.mod

@@ -3,18 +3,12 @@ module github.com/up9inc/mizu/cli
 go 1.16
 
 require (
-	github.com/creasty/defaults v1.5.1
-	github.com/google/go-github/v37 v37.0.0
 	github.com/gorilla/websocket v1.4.2
-	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7
 	github.com/spf13/cobra v1.1.3
-	github.com/spf13/pflag v1.0.5
 	github.com/up9inc/mizu/shared v0.0.0
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
-	k8s.io/api v0.21.2
-	k8s.io/apimachinery v0.21.2
-	k8s.io/client-go v0.21.2
-	k8s.io/kubectl v0.21.2
+	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

@@ -23,7 +23,6 @@ cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiy
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
 github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.11.12 h1:gI8ytXbxMfI+IVbI9mP2JGCTXIuhHLgRlvQ9X4PsnHE=
@@ -40,135 +39,67 @@ github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUM
 github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/MakeNowJust/heredoc v0.0.0-20170808103936-bb23615498cd/go.mod h1:64YHyfSL2R96J44Nlwm39UHepQbyR5q10x7iYa1ks2E=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5/go.mod h1:/iP1qXHoty45bqomnu2LM+VVyAEdWN+vtSHGlQgyxbw=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
-github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
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@@ -177,7 +108,6 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
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@@ -195,10 +125,8 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
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@@ -206,14 +134,8 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -224,17 +146,13 @@ github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hf
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 github.com/spf13/cobra v1.1.3/go.mod h1:pGADOWyqRD/YMrPZigI/zbliZ2wVD/23d+is3pSWzOo=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
@@ -394,7 +279,6 @@ github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzu
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
 github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -405,36 +289,24 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
-github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
-github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
-github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
-github.com/xlab/treeprint v0.0.0-20181112141820-a009c3971eca/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
-github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmvncFJFHJ7Gvn9wZArjbV5/FppcK2fKk/tI=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
-go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
-go.mongodb.org/mongo-driver v1.1.2/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.starlark.net v0.0.0-20200306205701-8dd3e2ee1dd5/go.mod h1:nmDLcffg48OtT/PSW0Hg7FvpRQsQh5OSqIylirxKC7o=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -470,11 +342,9 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -482,11 +352,9 @@ golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190320064053-1272bf9dcd53/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -500,7 +368,6 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210224082022-3d97a244fca7 h1:OgUuv8lsRpBibGNbSizVwKWlysjaNzmC9gYMhPVfqFM=
 golang.org/x/net v0.0.0-20210224082022-3d97a244fca7/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -525,9 +392,7 @@ golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190321052220-f7bb7a8bee54/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -535,12 +400,9 @@ golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191002063906-3421d5a6bb1c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -548,13 +410,10 @@ golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210426230700-d19ff857e887 h1:dXfMednGJh/SUUFjTLsWJz3P+TQt9qnR11GgeI3vWKs=
-golang.org/x/sys v0.0.0-20210426230700-d19ff857e887/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073 h1:8qxJSnu+7dRq6upnbntrmriWByIakBuct5OM/MdQC1M=
+golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d h1:SZxvLBoTP5yHO3Frd4z4vrF+DBX9vMVanchswa69toE=
@@ -574,7 +433,6 @@ golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxb
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@@ -585,9 +443,7 @@ golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBn
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@@ -608,10 +464,8 @@ golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapK
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@@ -654,7 +508,6 @@ google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfG
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@@ -687,52 +540,33 @@ gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bl
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