fix(chart): remove hook post-upgrade, add test for chart upgrade capability

Signed-off-by: Viet Nguyen Duc <[email protected]>

Author: VietND96

Diff for: .github/workflows/helm-chart-test.yml

@@ -42,32 +42,38 @@ jobs:
             cluster: 'kind'
             helm-version: 'v3.10.3'
             test-existing-keda: true
+            test-upgrade: true
           - k8s-version: 'v1.26.15'
             test-strategy: deployment
             cluster: 'minikube'
             helm-version: 'v3.11.3'
             test-existing-keda: true
+            test-upgrade: true
           - k8s-version: 'v1.27.12'
             test-strategy: job_https
             cluster: 'minikube'
             helm-version: 'v3.12.3'
             test-existing-keda: true
+            test-upgrade: true
           - k8s-version: 'v1.28.8'
             test-strategy: job_hostname
             cluster: 'minikube'
             helm-version: 'v3.13.3'
             test-existing-keda: false
+            test-upgrade: true
           - k8s-version: 'v1.29.3'
             test-strategy: deployment_https
             cluster: 'minikube'
             helm-version: 'v3.14.3'
             test-existing-keda: false
+            test-upgrade: true
     env:
       CLUSTER: ${{ matrix.cluster }}
       KUBERNETES_VERSION: ${{ matrix.k8s-version }}
       ARTIFACT_NAME: ${{ matrix.k8s-version }}-${{ matrix.test-strategy }}
       HELM_VERSION: ${{ matrix.helm-version }}
       TEST_EXISTING_KEDA: ${{ matrix.test-existing-keda }}
+      TEST_UPGRADE_CHART: ${{ matrix.test-upgrade }}
     steps:
       - uses: actions/checkout@main
       - name: Output Docker info
@@ -138,6 +144,10 @@ jobs:
           max_attempts: 3
           command: |
             NAME=${IMAGE_REGISTRY} VERSION=${BRANCH} BUILD_DATE=${BUILD_DATE} TEST_EXISTING_KEDA=${TEST_EXISTING_KEDA} make chart_test_autoscaling_${{ matrix.test-strategy }}
+      - name: Test chart upgrade
+        if: (matrix.test-upgrade == true)
+        run: |
+          NAME=${IMAGE_REGISTRY} VERSION=${BRANCH} BUILD_DATE=${BUILD_DATE} TEST_EXISTING_KEDA=${TEST_EXISTING_KEDA} SET_MAX_REPLICAS=10 TEST_UPGRADE_CHART=${TEST_UPGRADE_CHART} make chart_test_autoscaling_${{ matrix.test-strategy }}
       - name: Cleanup Kubernetes cluster
         if: always()
         run: CLUSTER=${CLUSTER} make chart_cluster_cleanup

Diff for: charts/selenium-grid/templates/chrome-node-hpa.yaml

@@ -5,7 +5,6 @@ metadata:
   name: {{ template "seleniumGrid.chromeNode.fullname" . }}
   namespace: {{ .Release.Namespace }}
   annotations:
-    helm.sh/resource-policy: delete
     {{- with .Values.autoscaling.annotations }}
       {{- toYaml . | nindent 4 }}
     {{- end }}

Diff for: charts/selenium-grid/templates/edge-node-hpa.yaml

@@ -5,7 +5,6 @@ metadata:
   name: {{ template "seleniumGrid.edgeNode.fullname" . }}
   namespace: {{ .Release.Namespace }}
   annotations:
-    helm.sh/resource-policy: delete
     {{- with .Values.autoscaling.annotations }}
       {{- toYaml . | nindent 4 }}
     {{- end }}

Diff for: charts/selenium-grid/templates/firefox-node-hpa.yaml

@@ -5,7 +5,6 @@ metadata:
   name: {{ template "seleniumGrid.firefoxNode.fullname" . }}
   namespace: {{ .Release.Namespace }}
   annotations:
-    helm.sh/resource-policy: delete
     {{- with .Values.autoscaling.annotations }}
       {{- toYaml . | nindent 4 }}
     {{- end }}

Diff for: charts/selenium-grid/values.yaml

@@ -546,7 +546,7 @@ autoscaling:
   scalingType: job
   # Annotations for KEDA resources: ScaledObject and ScaledJob
   annotations:
-    "helm.sh/hook": post-install,post-upgrade,post-rollback
+    "helm.sh/hook": post-install
   # Options for KEDA scaled resources (keep only common options used for both ScaledJob and ScaledObject)
   scaledOptions:
     minReplicaCount: 0
@@ -1221,19 +1221,19 @@ prometheus-stack:
   defaultRules:
     create: true
     annotations:
-      "helm.sh/hook": post-install,post-upgrade,post-rollback
+      "helm.sh/hook": post-install
   alertmanager:
     enabled: true
     annotations:
-      "helm.sh/hook": post-install,post-upgrade,post-rollback
+      "helm.sh/hook": post-install
   grafana:
     enabled: true
     adminPassword: admin
     forceDeployDatasources: true
     forceDeployDashboards: true
     annotations:
-      "helm.sh/hook": post-install,post-upgrade,post-rollback
+      "helm.sh/hook": post-install
   prometheus:
     enabled: true
     annotations:
-      "helm.sh/hook": post-install,post-upgrade,post-rollback
+      "helm.sh/hook": post-install

Diff for: tests/charts/make/chart_test.sh

@@ -35,6 +35,7 @@ BASIC_AUTH_USERNAME=${BASIC_AUTH_USERNAME:-"sysAdminUser"}
 BASIC_AUTH_PASSWORD=${BASIC_AUTH_PASSWORD:-"myStrongPassword"}
 LOG_LEVEL=${LOG_LEVEL:-"INFO"}
 TEST_EXISTING_KEDA=${TEST_EXISTING_KEDA:-"true"}
+TEST_UPGRADE_CHART=${TEST_UPGRADE_CHART:-"false"}
 
 cleanup() {
   # Get the list of pods
@@ -195,6 +196,11 @@ helm upgrade --install ${HELM_COMMAND_ARGS}
 
 kubectl get pods -A
 
+if [ "${TEST_UPGRADE_CHART}" = "true" ]; then
+  echo "Focus on verify chart upgrade, skip Selenium tests"
+  exit 0
+fi
+
 echo "Run Tests"
 export CHART_CERT_PATH=$(readlink -f ${CHART_CERT_PATH})
 export SELENIUM_GRID_PROTOCOL=${SELENIUM_GRID_PROTOCOL}