feat: add GitHub Actions workflow for linting and testing Helm charts (kubeovn#6184)

* feat: add GitHub Actions workflow for linting and testing Helm charts

Signed-off-by: oujonny <jonny@immerda.ch>

* feat: restrict GitHub Actions workflow to specific paths for Helm chart testing

Signed-off-by: oujonny <jonny@immerda.ch>

* fix: disable maintainers validation

Signed-off-by: oujonny <jonny@immerda.ch>

* fix: remove tmp values

Signed-off-by: oujonny <jonny@immerda.ch>

---------

Signed-off-by: oujonny <jonny@immerda.ch>

Author: oujonny

.github/workflows/helm-testing.yaml

@@ -0,0 +1,68 @@
+name: Lint and Test Charts
+
+on:
+  pull_request:
+    paths:
+      - 'charts/kube-ovn-v2/**'
+      - '.github/workflows/helm-testing.yaml'
+
+
+permissions: {}
+
+jobs:
+  lint-test:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    strategy:
+      matrix:
+        ip-family: [ "ipv4" ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5.0.0
+        with:
+          fetch-depth: 0
+
+      - name: Set up Helm
+        uses: azure/setup-helm@v4.3.1
+
+      - uses: actions/setup-python@v6.0.0
+        with:
+          python-version: '3.x'
+          check-latest: true
+
+      - name: Set up chart-testing
+        uses: helm/chart-testing-action@v2.8.0
+
+      - 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: |
+          echo "validate-maintainers: false" > ct.yaml
+          ct lint --target-branch ${{ github.event.repository.default_branch }} --config ct.yaml
+
+      - name: Install kind
+        uses: helm/kind-action@v1.13.0
+        with:
+          version: ${{ env.KIND_VERSION }}
+          install_only: true
+
+      - name: Create kind cluster
+        run: |
+          sudo pip3 install jinjanator j2cli
+          sudo PATH=~/.local/bin:$PATH make kind-init-${{ matrix.ip-family }}
+          sudo cp -r /root/.kube/ ~/.kube/
+          sudo chown -R $(id -un). ~/.kube/
+
+      - name: Run chart-testing (install)
+        if: steps.list-changed.outputs.changed == 'true'
+        run: |
+          kubectl label node --overwrite -l node-role.kubernetes.io/control-plane kube-ovn/role=master
+          ct install --target-branch ${{ github.event.repository.default_branch }}

charts/kube-ovn-v2/Chart.yaml

@@ -2,6 +2,6 @@ apiVersion: v2
 name: kube-ovn-v2
 description: Helm chart for Kube-OVN
 type: application
-version: v1.16.0
+version: v1.16.1
 appVersion: "1.16.0"
 kubeVersion: ">= 1.29.0-0"