MIGRATION: Rename chart name to clickstack (ClickHouse#145)

This PR renames the Helm chart from `hdx-oss-v2` to `clickstack` to better reflect the full observability stack that combines ClickHouse + OpenTelemetry + HyperDX.

Ref: HDX-2812

Author: wrn14897

.changeset/long-hands-make.md

@@ -0,0 +1,5 @@
+---
+"helm-charts": major
+---
+
+MIGRATION: Rename + Release chart `clickstack` (v1.0.0)

.github/workflows/chart-test-legacy.yml

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+name: Helm Chart Integration Test (legacy)
+
+on:
+  # Run on merge to main
+  push:
+    branches: [ main ]
+  # Run on pull requests
+  pull_request:
+    branches: [ main ]
+  # Run nightly at 2 AM UTC
+  schedule:
+    - cron: '0 2 * * *'
+  # Allow manual trigger
+  workflow_dispatch:
+
+jobs:
+  test-helm-chart:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Helm
+      uses: azure/setup-helm@v3
+      with:
+        version: '3.12.0'
+
+    - name: Update appVersion for nightly builds
+      if: github.event_name == 'schedule'
+      run: |
+        echo "Updating appVersion to 2-nightly for scheduled builds"
+        sed -i 's/^appVersion:.*/appVersion: 2-nightly/' charts/hdx-oss-v2/Chart.yaml
+        echo "Updated Chart.yaml:"
+        cat charts/hdx-oss-v2/Chart.yaml
+
+    - name: Create kind cluster config
+      run: |
+        cat > kind-config.yaml << EOF
+        kind: Cluster
+        apiVersion: kind.x-k8s.io/v1alpha4
+        nodes:
+        - role: control-plane
+          extraPortMappings:
+          - containerPort: 30000
+            hostPort: 3000
+            protocol: TCP
+          - containerPort: 30001
+            hostPort: 4318
+            protocol: TCP
+        EOF
+
+    - name: Create kind cluster
+      uses: helm/kind-action@v1
+      with:
+        cluster_name: hyperdx-test-legacy
+        config: kind-config.yaml
+
+    - name: Install local-path-provisioner
+      run: |
+        kubectl apply -f https://raw.githubusercontent.com/rancher/local-path-provisioner/v0.0.24/deploy/local-path-storage.yaml
+        kubectl patch storageclass local-path -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
+
+    - name: Run Helm unit tests
+      run: |
+        helm plugin install https://github.com/helm-unittest/helm-unittest.git || true
+        helm unittest charts/hdx-oss-v2
+
+    - name: Deploy hdx-oss-v2 chart
+      run: |
+        # Create test values for faster deployment
+        cat > test-values.yaml << EOF
+        hyperdx:
+          apiKey: "test-api-key-for-ci"
+          frontendUrl: "http://localhost:3000"
+          replicas: 1
+          service:
+            type: NodePort
+            nodePort: 30000
+
+        clickhouse:
+          persistence:
+            enabled: true
+            dataSize: 2Gi
+            logSize: 1Gi
+
+        mongodb:
+          persistence:
+            enabled: true
+            dataSize: 2Gi
+
+        otel:
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "100m"
+            limits:
+              memory: "256Mi"
+              cpu: "200m"
+        EOF
+
+        # Install the chart
+        helm install hyperdx-test ./charts/hdx-oss-v2 -f test-values.yaml --timeout=5m
+
+        # Give services time to initialize after pods are running
+        echo "Waiting for services to initialize..."
+        sleep 20
+
+    - name: Bootstrap team in MongoDB
+      run: |
+        # Wait for MongoDB to be ready
+        kubectl wait --for=condition=Ready pods -l app=mongodb --timeout=300s
+
+        echo "Creating test team in MongoDB..."
+        kubectl exec -n default deployment/hyperdx-test-hdx-oss-v2-mongodb -- mongosh hyperdx --eval "
+          db.teams.insertOne({
+            name: 'CI Test Team',
+            apiKey: 'test-api-key-for-ci',
+            collectorAuthenticationEnforced: false,
+            createdAt: new Date(),
+            updatedAt: new Date()
+          })
+        "
+
+        echo "Verifying team creation..."
+        kubectl exec -n default deployment/hyperdx-test-hdx-oss-v2-mongodb -- mongosh hyperdx --eval "
+          const team = db.teams.findOne({ apiKey: 'test-api-key-for-ci' });
+          if (team) {
+            print('Team created successfully:', team.name);
+          } else {
+            print('Team creation failed');
+            exit(1);
+          }
+        "
+
+        echo "Waiting for OpAMP server to reconfigure collectors..."
+        sleep 30
+
+    - name: Verify deployment
+      run: |
+        echo "Initial pod status:"
+        kubectl get pods -o wide
+
+        echo "Waiting for all pods to be ready..."
+        kubectl wait --for=condition=Ready pods --all --timeout=600s
+
+        echo "Final pod status:"
+        kubectl get pods -o wide
+
+        kubectl get services
+
+    - name: Run comprehensive smoke tests
+      run: |
+        chmod +x ./scripts/smoke-test.sh
+
+        RELEASE_NAME=hyperdx-test CHART_NAME=hdx-oss-v2 NAMESPACE=default ./scripts/smoke-test.sh
+
+    - name: Collect logs on failure
+      if: failure()
+      run: |
+        echo "=== Pod Status ==="
+        kubectl get pods -o wide
+
+        echo "=== Events ==="
+        kubectl get events --sort-by=.metadata.creationTimestamp
+
+        echo "=== HyperDX App Logs ==="
+        kubectl logs -l app=app --tail=100 || true
+
+        echo "=== ClickHouse Logs ==="
+        kubectl logs -l app=clickhouse --tail=100 || true
+
+        echo "=== MongoDB Logs ==="
+        kubectl logs -l app=mongodb --tail=100 || true
+
+        echo "=== OTEL Collector Logs ==="
+        kubectl logs -l app=otel-collector --tail=100 || true
+
+    - name: Cleanup
+      if: always()
+      run: |
+        helm uninstall hyperdx-test || true
+        kind delete cluster --name hyperdx-test-legacy || true