feat: add CI test for k8s core deployment #1

Workflow file for this run

.github/workflows/k8s-integration-test.yml at 9c1f636

	name: Kubernetes Integration Test

	# This workflow tests the CORE semantic-router Kubernetes deployment.
	#
	# Test Scope:
	# ✅ Core deployment (namespace, pvc, deployment, service, configmap)
	# ✅ Manifest validation (kubeconform)
	# ✅ Service connectivity (gRPC, metrics, API ports)
	# ✅ Security scanning (Trivy, Checkov)
	# ✅ Basic syntax validation for observability and ai-gateway configs
	#
	# Out of Scope (planned for follow-up PRs):
	# 🔄 Observability stack deployment (Prometheus + Grafana)
	# 🔄 AI Gateway end-to-end testing (Envoy Gateway + InferencePool)

	on:
	pull_request:
	paths:
	- "deploy/kubernetes/**"
	- ".github/workflows/k8s-integration-test.yml"
	- "Dockerfile.extproc"
	- "tools/kind/**"
	workflow_dispatch: # Allow manual triggering
	schedule:
	# Run nightly at 3:00 AM UTC
	- cron: "0 3 * * *"

	env:
	KIND_VERSION: v0.20.0
	KUBECTL_VERSION: v1.28.0
	KUSTOMIZE_VERSION: v5.2.1

	jobs:
	validate-manifests:
	name: Validate Kubernetes Manifests
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Kustomize
	run: \|
	curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" \| bash
	sudo mv kustomize /usr/local/bin/
	kustomize version

	- name: Validate Kustomize build
	run: \|
	echo "Building kustomization..."
	kustomize build deploy/kubernetes > /tmp/k8s-manifests.yaml
	echo "Kustomize build successful!"
	echo "Generated manifests:"
	cat /tmp/k8s-manifests.yaml

	- name: Setup kubeconform
	run: \|
	wget https://github.com/yannh/kubeconform/releases/latest/download/kubeconform-linux-amd64.tar.gz
	tar xf kubeconform-linux-amd64.tar.gz
	sudo mv kubeconform /usr/local/bin/
	kubeconform -v

	- name: Validate manifests with kubeconform
	run: \|
	echo "Validating Kubernetes manifests..."
	kustomize build deploy/kubernetes \| \
	kubeconform -strict -summary \
	-kubernetes-version 1.28.0 \
	-schema-location default \
	-schema-location 'https://raw.githubusercontent.com/datreeio/CRDs-catalog/main/{{.Group}}/{{.ResourceKind}}_{{.ResourceAPIVersion}}.json' \
	-skip CustomResourceDefinition \
	-ignore-missing-schemas

	- name: Upload validated manifests
	uses: actions/upload-artifact@v4
	with:
	name: k8s-manifests
	path: /tmp/k8s-manifests.yaml
	retention-days: 5

	kind-integration-test:
	name: kind Cluster Integration Test
	runs-on: ubuntu-latest
	needs: validate-manifests
	timeout-minutes: 30

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

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

	- name: Build semantic-router image
	uses: docker/build-push-action@v5
	with:
	context: .
	file: ./Dockerfile.extproc
	tags: ghcr.io/vllm-project/semantic-router/extproc:test
	load: true
	cache-from: type=gha
	cache-to: type=gha,mode=max

	- name: Create kind cluster
	uses: helm/[email protected]
	with:
	version: ${{ env.KIND_VERSION }}
	config: tools/kind/kind-config.yaml
	cluster_name: semantic-router-test
	wait: 120s

	- name: Verify cluster
	run: \|
	kubectl cluster-info
	kubectl get nodes
	kubectl version

	- name: Load image to kind cluster
	run: \|
	kind load docker-image ghcr.io/vllm-project/semantic-router/extproc:test --name semantic-router-test
	echo "Image loaded successfully!"

	- name: Setup Kustomize
	run: \|
	curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" \| bash
	sudo mv kustomize /usr/local/bin/

	- name: Create temporary kustomization for testing
	run: \|
	# Create a test overlay directory
	mkdir -p deploy/kubernetes/test-overlay

	# Copy base files
	cp deploy/kubernetes/kustomization.yaml deploy/kubernetes/test-overlay/

	# Update image tag for testing
	cd deploy/kubernetes/test-overlay
	kustomize edit set image ghcr.io/vllm-project/semantic-router/extproc=ghcr.io/vllm-project/semantic-router/extproc:test

	# Create resource list pointing to parent directory
	cat > kustomization.yaml << 'EOF'
	apiVersion: kustomize.config.k8s.io/v1beta1
	kind: Kustomization

	resources:
	- ../namespace.yaml
	- ../pvc.yaml
	- ../deployment.yaml
	- ../service.yaml

	configMapGenerator:
	- name: semantic-router-config
	files:
	- ../config.yaml
	- ../tools_db.json

	namespace: vllm-semantic-router-system

	images:
	- name: ghcr.io/vllm-project/semantic-router/extproc
	newTag: test

	# Reduce resource requirements for CI testing
	patches:
	- patch: \|-
	- op: replace
	path: /spec/template/spec/containers/0/resources/requests/memory
	value: "1Gi"
	- op: replace
	path: /spec/template/spec/containers/0/resources/requests/cpu
	value: "500m"
	- op: replace
	path: /spec/template/spec/containers/0/resources/limits/memory
	value: "2Gi"
	- op: replace
	path: /spec/template/spec/containers/0/resources/limits/cpu
	value: "1"
	- op: replace
	path: /spec/template/spec/initContainers/0/resources/requests/memory
	value: "256Mi"
	- op: replace
	path: /spec/template/spec/initContainers/0/resources/requests/cpu
	value: "100m"
	- op: replace
	path: /spec/template/spec/initContainers/0/resources/limits/memory
	value: "512Mi"
	- op: replace
	path: /spec/template/spec/initContainers/0/resources/limits/cpu
	value: "250m"
	target:
	kind: Deployment
	name: semantic-router
	EOF

	cat kustomization.yaml

	- name: Deploy to kind cluster
	run: \|
	echo "Deploying semantic-router to kind cluster..."
	kustomize build deploy/kubernetes/test-overlay \| kubectl apply -f -

	echo "Waiting for namespace to be active..."
	kubectl wait --for=jsonpath='{.status.phase}'=Active namespace/vllm-semantic-router-system --timeout=60s

	echo "Deployment initiated. Checking resources..."
	kubectl get all -n vllm-semantic-router-system

	- name: Wait for deployment readiness
	run: \|
	echo "Waiting for deployment to be ready (this may take a few minutes)..."

	# Wait for PVC to be bound
	echo "Checking PVC status..."
	kubectl get pvc -n vllm-semantic-router-system

	# Note: In kind, we might need to wait for local-path-provisioner
	timeout 300 bash -c 'until kubectl get pvc -n vllm-semantic-router-system semantic-router-models -o jsonpath="{.status.phase}" \| grep -q "Bound"; do echo "Waiting for PVC to be bound..."; sleep 5; done' \|\| true

	# Wait for pods to be created
	echo "Waiting for pods to be created..."
	timeout 120 bash -c 'until kubectl get pods -n vllm-semantic-router-system \| grep -q semantic-router; do echo "Waiting for pod creation..."; sleep 5; done'

	# Show pod status
	kubectl get pods -n vllm-semantic-router-system

	# Wait for init container to complete (model download)
	echo "Waiting for init container to complete (downloading models)..."
	kubectl wait --for=condition=Initialized pods -l app=semantic-router -n vllm-semantic-router-system --timeout=600s \|\| {
	echo "Init container did not complete in time. Showing logs..."
	kubectl logs -n vllm-semantic-router-system -l app=semantic-router -c model-downloader --tail=100 \|\| true
	exit 1
	}

	# Wait for main container to be ready
	echo "Waiting for main container to be ready..."
	kubectl wait --for=condition=Ready pods -l app=semantic-router -n vllm-semantic-router-system --timeout=300s \|\| {
	echo "Pod did not become ready in time. Showing status and logs..."
	kubectl describe pods -n vllm-semantic-router-system -l app=semantic-router
	kubectl logs -n vllm-semantic-router-system -l app=semantic-router --tail=100 \|\| true
	exit 1
	}

	echo "Deployment is ready!"

	- name: Verify deployment
	run: \|
	echo "=== Verifying Deployment ==="

	# Check deployment status
	kubectl get deployment -n vllm-semantic-router-system semantic-router -o wide

	# Check pod status
	kubectl get pods -n vllm-semantic-router-system -o wide

	# Check services
	kubectl get svc -n vllm-semantic-router-system

	# Check configmaps
	kubectl get configmap -n vllm-semantic-router-system

	# Verify pod is running
	POD_STATUS=$(kubectl get pods -n vllm-semantic-router-system -l app=semantic-router -o jsonpath='{.items[0].status.phase}')
	if [ "$POD_STATUS" != "Running" ]; then
	echo "Error: Pod is not running. Status: $POD_STATUS"
	kubectl describe pods -n vllm-semantic-router-system -l app=semantic-router
	exit 1
	fi

	echo "✓ Pod is running"

	# Verify all containers are ready
	READY_CONTAINERS=$(kubectl get pods -n vllm-semantic-router-system -l app=semantic-router -o jsonpath='{.items[0].status.containerStatuses[0].ready}')
	if [ "$READY_CONTAINERS" != "true" ]; then
	echo "Error: Container is not ready"
	kubectl describe pods -n vllm-semantic-router-system -l app=semantic-router
	exit 1
	fi

	echo "✓ All containers are ready"

	- name: Test service connectivity
	run: \|
	echo "=== Testing Service Connectivity ==="

	# Get pod name
	POD_NAME=$(kubectl get pods -n vllm-semantic-router-system -l app=semantic-router -o jsonpath='{.items[0].metadata.name}')
	echo "Pod name: $POD_NAME"

	# Test gRPC port
	echo "Testing gRPC port (50051)..."
	kubectl exec -n vllm-semantic-router-system $POD_NAME -- timeout 5 nc -zv localhost 50051 \|\| {
	echo "Warning: gRPC port test failed"
	}

	# Test metrics port
	echo "Testing metrics port (9190)..."
	kubectl exec -n vllm-semantic-router-system $POD_NAME -- timeout 5 nc -zv localhost 9190 \|\| {
	echo "Warning: Metrics port test failed"
	}

	# Test classify API port
	echo "Testing classify API port (8080)..."
	kubectl exec -n vllm-semantic-router-system $POD_NAME -- timeout 5 nc -zv localhost 8080 \|\| {
	echo "Warning: Classify API port test failed"
	}

	# Port forward for external testing
	echo "Setting up port-forward for testing..."
	kubectl port-forward -n vllm-semantic-router-system svc/semantic-router 8080:8080 &
	PF_PID=$!
	sleep 5

	# Test HTTP endpoint (if available)
	echo "Testing HTTP endpoint..."
	curl -v http://localhost:8080/health \|\| echo "Health endpoint not available or not implemented"

	# Cleanup port-forward
	kill $PF_PID \|\| true

	echo "✓ Service connectivity tests completed"

	- name: Check logs
	if: always()
	run: \|
	echo "=== Deployment Logs ==="
	kubectl logs -n vllm-semantic-router-system -l app=semantic-router --tail=200 --all-containers=true \|\| true

	echo "=== Events ==="
	kubectl get events -n vllm-semantic-router-system --sort-by='.lastTimestamp' \|\| true

	- name: Export cluster logs on failure
	if: failure()
	run: \|
	echo "=== Exporting cluster information for debugging ==="
	mkdir -p /tmp/k8s-logs

	# Export pod descriptions
	kubectl describe pods -n vllm-semantic-router-system > /tmp/k8s-logs/pod-descriptions.txt \|\| true

	# Export deployment description
	kubectl describe deployment -n vllm-semantic-router-system > /tmp/k8s-logs/deployment-description.txt \|\| true

	# Export all logs
	kubectl logs -n vllm-semantic-router-system -l app=semantic-router --all-containers=true --previous > /tmp/k8s-logs/previous-logs.txt \|\| true
	kubectl logs -n vllm-semantic-router-system -l app=semantic-router --all-containers=true > /tmp/k8s-logs/current-logs.txt \|\| true

	# Export events
	kubectl get events -n vllm-semantic-router-system --sort-by='.lastTimestamp' > /tmp/k8s-logs/events.txt \|\| true

	# Export resource status
	kubectl get all -n vllm-semantic-router-system -o yaml > /tmp/k8s-logs/all-resources.yaml \|\| true

	- name: Upload cluster logs
	if: failure()
	uses: actions/upload-artifact@v4
	with:
	name: k8s-cluster-logs
	path: /tmp/k8s-logs/
	retention-days: 7

	- name: Cleanup
	if: always()
	run: \|
	echo "Cleaning up resources..."
	kubectl delete namespace vllm-semantic-router-system --timeout=60s \|\| true

	test-with-custom-config:
	name: Test with Custom Configuration
	runs-on: ubuntu-latest
	needs: validate-manifests

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Kustomize
	run: \|
	curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" \| bash
	sudo mv kustomize /usr/local/bin/

	- name: Test kustomize with different overlays
	run: \|
	echo "Testing base kustomization..."
	kustomize build deploy/kubernetes > /tmp/base-manifests.yaml

	echo "Validating generated resources..."

	# Check if all expected resources are present
	if ! grep -q "kind: Namespace" /tmp/base-manifests.yaml; then
	echo "Error: Namespace not found"
	exit 1
	fi

	if ! grep -q "kind: Deployment" /tmp/base-manifests.yaml; then
	echo "Error: Deployment not found"
	exit 1
	fi

	if ! grep -q "kind: Service" /tmp/base-manifests.yaml; then
	echo "Error: Service not found"
	exit 1
	fi

	if ! grep -q "kind: ConfigMap" /tmp/base-manifests.yaml; then
	echo "Error: ConfigMap not found"
	exit 1
	fi

	echo "✓ All expected resources are present"

	- name: Verify ConfigMap generation
	run: \|
	echo "Checking ConfigMap generation..."
	kustomize build deploy/kubernetes \| grep -A 20 "kind: ConfigMap"

	# Verify config files are included
	if ! kustomize build deploy/kubernetes \| grep -q "config.yaml"; then
	echo "Warning: config.yaml might not be properly included in ConfigMap"
	fi

	if ! kustomize build deploy/kubernetes \| grep -q "tools_db.json"; then
	echo "Warning: tools_db.json might not be properly included in ConfigMap"
	fi

	- name: Validate observability kustomization
	run: \|
	echo "Validating observability stack kustomization..."
	if [ -d "deploy/kubernetes/observability" ]; then
	kustomize build deploy/kubernetes/observability > /tmp/observability-manifests.yaml
	echo "✓ Observability kustomization is valid"

	# Verify expected resources
	for resource in "Deployment" "Service" "ConfigMap" "PersistentVolumeClaim"; do
	if ! grep -q "kind: $resource" /tmp/observability-manifests.yaml; then
	echo "Warning: $resource not found in observability manifests"
	fi
	done
	else
	echo "Observability directory not found, skipping..."
	fi

	- name: Validate AI Gateway configurations
	run: \|
	echo "Validating AI Gateway configurations..."

	# Check if ai-gateway directory exists
	if [ -d "deploy/kubernetes/ai-gateway" ]; then
	# Validate configuration yamls (without CRDs)
	for yaml_file in deploy/kubernetes/ai-gateway/configuration/*.yaml; do
	if [ -f "$yaml_file" ]; then
	echo "Checking $yaml_file..."
	# Basic YAML syntax check
	kubectl create --dry-run=client -f "$yaml_file" \|\| echo "Warning: Issues with $yaml_file"
	fi
	done

	# Validate inference-pool manifests (skip CRD validation as they may not be installed)
	for yaml_file in deploy/kubernetes/ai-gateway/inference-pool/*.yaml; do
	if [ -f "$yaml_file" ]; then
	echo "Checking $yaml_file for YAML syntax..."
	# Just check if it's valid YAML
	kubectl create --dry-run=client -f "$yaml_file" 2>&1 \| grep -q "no matches for kind" && echo "✓ $yaml_file syntax valid (CRD not installed)" \|\| echo "Validated $yaml_file"
	fi
	done

	echo "✓ AI Gateway configuration validation completed"
	else
	echo "AI Gateway directory not found, skipping..."
	fi

	security-scan:
	name: Security Scan for K8s Manifests
	runs-on: ubuntu-latest
	needs: validate-manifests

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Kustomize
	run: \|
	curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" \| bash
	sudo mv kustomize /usr/local/bin/

	- name: Run Trivy security scan
	uses: aquasecurity/trivy-action@master
	with:
	scan-type: "config"
	scan-ref: "deploy/kubernetes"
	format: "sarif"
	output: "trivy-results.sarif"
	severity: "CRITICAL,HIGH"
	exit-code: "0" # Don't fail on vulnerabilities, just report

	- name: Upload Trivy results to GitHub Security
	uses: github/codeql-action/upload-sarif@v3
	if: always()
	with:
	sarif_file: "trivy-results.sarif"

	- name: Run Checkov scan
	uses: bridgecrewio/checkov-action@master
	with:
	directory: deploy/kubernetes
	framework: kubernetes
	output_format: cli
	soft_fail: true # Don't fail the build

	summary:
	name: Test Summary
	runs-on: ubuntu-latest
	needs:
	[
	validate-manifests,
	kind-integration-test,
	test-with-custom-config,
	security-scan,
	]
	if: always()

	steps:
	- name: Check test results
	run: \|
	echo "=== Kubernetes Integration Test Summary ==="
	echo "Manifest Validation: ${{ needs.validate-manifests.result }}"
	echo "kind Integration Test: ${{ needs.kind-integration-test.result }}"
	echo "Custom Config Test: ${{ needs.test-with-custom-config.result }}"
	echo "Security Scan: ${{ needs.security-scan.result }}"

	if [[ "${{ needs.validate-manifests.result }}" == "failure" ]] \|\| \
	[[ "${{ needs.kind-integration-test.result }}" == "failure" ]] \|\| \
	[[ "${{ needs.test-with-custom-config.result }}" == "failure" ]]; then
	echo "❌ Some tests failed"
	exit 1
	else
	echo "✅ All tests passed"
	fi

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