feat(dns): pod-network cluster-DNS probe via overlay-test pods (task 242) #204

Workflow file for this run

	name: CI

	on:
	push:
	branches:
	- main
	tags:
	- 'v*'
	pull_request:
	branches:
	- main

	env:
	GO_VERSION: '1.25'
	REGISTRY: docker.io/supporttools
	FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

	jobs:
	# Lint job - runs golangci-lint
	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: ${{ env.GO_VERSION }}
	cache: true

	- name: Install golangci-lint
	run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.64.8

	- name: Run golangci-lint
	run: golangci-lint run --timeout=5m

	# Test job - runs unit and integration tests
	test:
	name: Test
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: ${{ env.GO_VERSION }}
	cache: true

	- name: Download dependencies
	run: go mod download

	- name: Run unit tests
	run: go test ./pkg/... ./cmd/... -v -race -covermode=atomic -coverprofile=coverage.out -short

	- name: Run integration tests
	run: \|
	if [ -d "test/integration" ]; then
	go test ./test/integration/... -v -race -covermode=atomic -coverprofile=coverage-integration.out
	else
	echo "Integration tests not yet implemented - skipping"
	fi

	- name: Generate coverage report
	run: \|
	go tool cover -func=coverage.out \| grep total \| awk '{print "Unit test coverage: " $3}'
	if [ -f coverage-integration.out ]; then
	go tool cover -func=coverage-integration.out \| grep total \| awk '{print "Integration test coverage: " $3}'
	fi

	- name: Check coverage threshold
	run: \|
	if [ ! -f coverage.out ]; then
	echo "::error::Coverage file not found"
	exit 1
	fi

	COVERAGE=$(go tool cover -func=coverage.out \| grep total \| awk '{print $3}' \| sed 's/%//')

	if [ -z "$COVERAGE" ]; then
	echo "::error::Failed to extract coverage percentage"
	exit 1
	fi

	THRESHOLD=70
	echo "Current coverage: ${COVERAGE}%"
	echo "Minimum threshold: ${THRESHOLD}%"

	if (( $(echo "$COVERAGE < $THRESHOLD" \| bc -l) )); then
	echo "::error::Coverage ${COVERAGE}% is below minimum threshold of ${THRESHOLD}%"
	exit 1
	fi
	echo "Coverage check passed!"

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v5
	continue-on-error: true # Codecov is informational; inline check above is the hard gate
	with:
	files: ./coverage.out,./coverage-integration.out
	flags: unittests
	name: codecov-umbrella
	fail_ci_if_error: false
	token: ${{ secrets.CODECOV_TOKEN }}

	# Pinger ICMP integration - runs the real raw-ICMP loopback test under privilege.
	#
	# Kept as a SEPARATE job (not a step in `test`) so a privileged-socket flake on
	# the runner does not block the main unit-test/coverage job. The runner user
	# compiles the test binary (preserving the Go env / cache), then runs ONLY the
	# integration test via sudo so it has CAP_NET_RAW. NODE_DOCTOR_ICMP_INTEGRATION=1
	# makes socket/permission errors HARD failures so a misconfigured runner surfaces
	# loudly instead of silently passing without exercising real ICMP.
	pinger-icmp-integration:
	name: Pinger ICMP Integration
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: ${{ env.GO_VERSION }}
	cache: true

	- name: Download dependencies
	run: go mod download

	- name: Compile network test binary
	run: go test -c -o /tmp/nd-network.test ./pkg/monitors/network/

	- name: Run ICMP integration test (privileged)
	run: \|
	sudo NODE_DOCTOR_ICMP_INTEGRATION=1 /tmp/nd-network.test \
	-test.run '^TestDefaultPinger_Integration$' -test.v

	# Security scan - gosec
	security-gosec:
	name: Security Scan (gosec)
	runs-on: ubuntu-latest
	permissions:
	security-events: write
	contents: read
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: ${{ env.GO_VERSION }}
	cache: true

	- name: Run gosec
	uses: securego/gosec@v2.25.0
	with:
	args: '-no-fail -fmt sarif -out gosec-results.sarif ./...'

	- name: Upload gosec results to GitHub Security
	uses: github/codeql-action/upload-sarif@v4
	continue-on-error: true # gosec SARIF format may have compatibility issues
	with:
	sarif_file: gosec-results.sarif

	# Build job - builds the binary
	build:
	name: Build
	runs-on: ubuntu-latest
	needs: [lint, test]
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: ${{ env.GO_VERSION }}
	cache: true

	- name: Download dependencies
	run: go mod download

	- name: Build binary
	run: \|
	VERSION=$(date +%s)
	GIT_COMMIT=$(git rev-parse HEAD)
	BUILD_TIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

	mkdir -p bin
	cd cmd/node-doctor
	go build \
	-ldflags="-X main.Version=${VERSION} -X main.GitCommit=${GIT_COMMIT} -X main.BuildTime=${BUILD_TIME}" \
	-o ../../bin/node-doctor

	- name: Build overlay-test-server binary
	run: \|
	mkdir -p bin
	cd cmd/overlay-test-server
	go build -o ../../bin/overlay-test-server

	- name: Test binary
	run: ./bin/node-doctor --version

	- name: Upload binary artifact
	uses: actions/upload-artifact@v7
	with:
	name: node-doctor-binary
	path: bin/node-doctor
	retention-days: 7

	# Docker build and push - only on tags
	docker:
	name: Docker Build & Push
	runs-on: ubuntu-latest
	needs: [lint, test, build, security-gosec]
	if: startsWith(github.ref, 'refs/tags/v')
	permissions:
	security-events: write
	contents: read
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Log in to Docker Hub
	uses: docker/login-action@v3
	with:
	username: ${{ secrets.DOCKER_USERNAME }}
	password: ${{ secrets.DOCKER_PASSWORD }}

	- name: Extract tag name
	id: tag
	run: echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

	- name: Build metadata
	id: meta
	run: \|
	VERSION=${{ steps.tag.outputs.TAG }}
	GIT_COMMIT=$(git rev-parse HEAD)
	BUILD_TIME=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

	echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
	echo "GIT_COMMIT=${GIT_COMMIT}" >> $GITHUB_OUTPUT
	echo "BUILD_TIME=${BUILD_TIME}" >> $GITHUB_OUTPUT

	- name: Build and push Docker image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile
	platforms: linux/amd64
	push: true
	tags: \|
	${{ env.REGISTRY }}/node-doctor:${{ steps.tag.outputs.TAG }}
	${{ env.REGISTRY }}/node-doctor:latest
	build-args: \|
	VERSION=${{ steps.meta.outputs.VERSION }}
	GIT_COMMIT=${{ steps.meta.outputs.GIT_COMMIT }}
	BUILD_TIME=${{ steps.meta.outputs.BUILD_TIME }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

	- name: Run Trivy security scan on image
	uses: aquasecurity/trivy-action@v0.35.0
	with:
	image-ref: ${{ env.REGISTRY }}/node-doctor:${{ steps.tag.outputs.TAG }}
	format: 'sarif'
	output: 'trivy-results.sarif'

	- name: Upload Trivy results to GitHub Security
	uses: github/codeql-action/upload-sarif@v4
	with:
	sarif_file: trivy-results.sarif

	# Summary job - provides overall status
	ci-success:
	name: CI Success
	runs-on: ubuntu-latest
	needs: [lint, test, build, security-gosec]
	if: always()
	steps:
	- name: Check job results
	run: \|
	if [[ "${{ needs.lint.result }}" != "success" ]] \|\| \
	[[ "${{ needs.test.result }}" != "success" ]] \|\| \
	[[ "${{ needs.build.result }}" != "success" ]] \|\| \
	[[ "${{ needs.security-gosec.result }}" != "success" ]]; then
	echo "One or more CI jobs failed"
	exit 1
	fi
	echo "All CI jobs passed successfully!"

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feat(dns): pod-network cluster-DNS probe via overlay-test pods (task 242) #204

Workflow file

feat(dns): pod-network cluster-DNS probe via overlay-test pods (task 242) #204

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