feat(helm-test): Added helm test and linting (SeleniumHQ#2003)

* feat(helm-test): Added helm test and linting

* chore(appversion): Bumped up chart version

---------

Co-authored-by: Diego Molina <diemol@users.noreply.github.com>

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

@@ -0,0 +1,54 @@
+name: Lint and Test Helm Charts
+
+on: pull_request
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v3
+        with:
+          version: v3.13.2
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+          check-latest: true
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.6.1
+
+      - name: Run chart-testing (list-changed)
+        id: list-changed
+        run: |
+          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
+          if [[ -n "$changed" ]]; then
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Run chart-testing (lint)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
+
+      - name: Create kind cluster
+        if: steps.list-changed.outputs.changed == 'true'
+        uses: helm/kind-action@v1.8.0
+
+      - name: Build Helm Charts
+        if: steps.list-changed.outputs.changed == 'true'
+        run: | 
+          helm repo add kedacore https://kedacore.github.io/charts
+          helm repo update
+          cd charts
+          helm dependency build selenium-grid
+
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: ct install --target-branch ${{ github.event.repository.default_branch }}

charts/selenium-grid/Chart.yaml

@@ -2,11 +2,16 @@ apiVersion: v2
 name: selenium-grid
 description: A Helm chart for creating a Selenium Grid Server in Kubernetes
 type: application
-version: 0.24.0
-appVersion: 4.15.0-20231102
+version: 0.25.0
+appVersion: 4.15.0-20231110
 icon: https://github.com/SeleniumHQ/docker-selenium/raw/trunk/logo.png
 dependencies:
 - repository: https://kedacore.github.io/charts
   version: 2.12.0
   name: keda
   condition: autoscaling.enabled
+maintainers:
+  - name: SeleniumHQ
+    email: selenium-developers@googlegroups.com
+sources:
+  - https://github.com/SeleniumHQ/docker-selenium

charts/selenium-grid/values.yaml

@@ -5,16 +5,16 @@ global:
     # Image tag for browser's nodes
     nodesImageTag: 4.15.0-20231110
     # Pull secret for all components, can be overridden individually
-    imagePullSecret: ""    
+    imagePullSecret: ""
 
 # Basic auth settings for Selenium Grid
 basicAuth:
-      # Enable or disable basic auth
-      enabled: true
-      # Username for basic auth
-      username: admin
-      # Password for basic auth
-      password: admin    
+  # Enable or disable basic auth
+  enabled: true
+  # Username for basic auth
+  username: admin
+  # Password for basic auth
+  password: admin
 
 # Deploy Router, Distributor, EventBus, SessionMap and Nodes separately
 isolateComponents: false
@@ -358,7 +358,7 @@ autoscaling:
     maxReplicaCount: 8
     pollingInterval: 10
     # List of triggers. Be careful, the default trigger of selenium-grid will be overwritten if you specify this
-    #triggers:
+    # triggers:
   # Options for KEDA ScaledJobs (only used when scalingType is set to "job")
   # see https://keda.sh/docs/latest/concepts/scaling-jobs/#scaledjob-spec
   scaledJobOptions:
@@ -504,14 +504,14 @@ chromeNode:
   #     claimName: my-pv-claim
 
   # Override the scaled options for chrome nodes
-  #scaledOptions:
-  #scaledJobOptions:
-  #scaledObjectOptions:
+  # scaledOptions:
+  # scaledJobOptions:
+  # scaledObjectOptions:
   hpa:
     url: '{{ include "seleniumGrid.graphqlURL" . }}'
     browserName: chrome
     # browserVersion: '91.0' # Optional. Only required when supporting multiple versions of browser in your Selenium Grid.
-    unsafeSsl : 'true' # Optional
+    unsafeSsl: 'true'  # Optional
 
   # It is used to add a sidecars proxy in the same pod of the browser node.
   # It means it will add a new container to the deployment itself.
@@ -636,9 +636,9 @@ firefoxNode:
   #     claimName: my-pv-claim
 
   # Override the scaled options for firefox nodes
-  #scaledOptions:
-  #scaledJobOptions:
-  #scaledObjectOptions:
+  # scaledOptions:
+  # scaledJobOptions:
+  # scaledObjectOptions:
   hpa:
     url: '{{ include "seleniumGrid.graphqlURL" . }}'
     browserName: firefox
@@ -764,9 +764,9 @@ edgeNode:
   #     claimName: my-pv-claim
 
   # Override the scaled options for edge nodes
-  #scaledOptions:
-  #scaledJobOptions:
-  #scaledObjectOptions:
+  # scaledOptions:
+  # scaledJobOptions:
+  # scaledObjectOptions:
   hpa:
     url: '{{ include "seleniumGrid.graphqlURL" . }}'
     browserName: MicrosoftEdge