feat: release helm charts to grafana/helm-charts

.github/workflows/release.yaml

@@ -9,12 +9,23 @@ permissions:
   contents: write
   packages: write
 
+env:
+  CR_INDEX_PATH: "${{ github.workspace }}/.cr-index"
+  CR_TOOL_PATH: "${{ github.workspace }}/.cr-tool"
+
 jobs:
   helm:
     runs-on: ubuntu-latest
     steps:
-      - name: Clone repo
+      - name: Checkout
         uses: actions/checkout@v4
+        with:
+          path: source
+
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+        with:
+          version: v3.16.2
 
       - name: Prepare
         run: |
@@ -26,12 +37,64 @@ jobs:
 
       - name: Publish Helm charts
         run: |
-          cd deploy/helm
+          cd source/deploy/helm
           yq -i '.image.repository = "${{ env.GHCR_REPO }}"' grafana-operator/values.yaml
           helm registry login -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }} ghcr.io
           helm package --app-version ${{ github.ref_name }} --version ${{ github.ref_name }} grafana-operator
+
           helm push grafana-operator-${{ github.ref_name }}.tgz ${{ env.HELM_REPO }}
 
+      - name: Install CR tool
+        run: |
+          mkdir "${CR_TOOL_PATH}"
+          mkdir "${CR_INDEX_PATH}"
+          curl -sSLo cr.tar.gz "https://github.com/helm/chart-releaser/releases/download/v1.4.0/chart-releaser_1.4.0_linux_amd64.tar.gz"
+          tar -xzf cr.tar.gz -C "${CR_TOOL_PATH}"
+          rm -f cr.tar.gz
+
+      - name: Create a GitHub App installation access token
+        uses: tibdex/github-app-token@v2
+        id: app-token
+        with:
+          app_id: ${{ secrets.GRAFANA_OPERATOR_HELM_RELEASE_APP_ID }}
+          private_key: ${{ secrets.GRAFANA_OPERATOR_HELM_RELEASE_PEM_KEY }}
+
+      - name: Set the correct token (Github App or PAT)
+        run: |
+          echo "AUTHTOKEN=${{ steps.app-token.outputs.token }}" >> $GITHUB_ENV
+
+      - name: Make github release
+        uses: softprops/action-gh-release@v1
+        with:
+          body: |
+            Helm chart for the [grafana-operator](https://github.com/${{ github.repository }}
+
+            Tag on source: https://github.com/${{ github.repository }}/releases/tag/${{ github.ref_name }}
+          files: |
+            source/deploy/helm/grafana-operator-${{ github.ref_name }}.tgz
+          repository: grafana/helm-charts
+          tag_name: grafana-operator-${{ github.ref_name }}
+          token: ${{ env.AUTHTOKEN }}
+
+      - name: Checkout helm-charts
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          repository: grafana/helm-charts
+          path: helm-charts
+          token: ${{ env.AUTHTOKEN }}
+
+      - name: Configure Git for helm-charts
+        run: |
+          cd helm-charts
+          git config user.name "$GITHUB_ACTOR"
+          git config user.email "[email protected]"
+
+      - name: Update helm repo index.yaml
+        run: |
+          cd helm-charts
+          "${CR_TOOL_PATH}/cr" index --config ../source/deploy/helm/cr.yaml --token "${{ env.AUTHTOKEN }}" --index-path "${CR_INDEX_PATH}" --package-path ../source/deploy/helm/grafana-operator-${{ github.ref_name }}.tgz --push
+
   kustomize:
     runs-on: ubuntu-latest
     steps:

Makefile

@@ -420,3 +420,11 @@ API_REF_GEN=$(GOBIN)/crdoc
 else
 API_REF_GEN=$(shell which crdoc)
 endif
+
+.PHONY: prep-release
+prep-release: yq
+	$(YQ) -i '.version="v$(VERSION)"' deploy/helm/grafana-operator/Chart.yaml
+	$(YQ) -i '.appVersion="v$(VERSION)"' deploy/helm/grafana-operator/Chart.yaml
+	$(YQ) -i '.params.version="v$(VERSION)"' hugo/config.yaml
+	sed -i 's/--version v5.*/--version v$(VERSION)/g' README.md
+	make helm/docs

deploy/helm/cr.yaml

@@ -0,0 +1,4 @@
+git-repo: helm-charts
+owner: grafana
+skip-existing: true
+

deploy/helm/grafana-operator/Chart.yaml

@@ -1,7 +1,6 @@
 apiVersion: v2
 name: grafana-operator
-description: A Helm chart for Kubernetes
-
+description: Helm chart for the Grafana Operator
 # A chart can be either an 'application' or a 'library' chart.
 #
 # Application charts are a collection of templates that can be packaged into versioned archives
@@ -11,14 +10,7 @@ description: A Helm chart for Kubernetes
 # a dependency of application charts to inject those utilities and functions into the rendering
 # pipeline. Library charts do not define any templates and therefore cannot be deployed.
 type: application
-
-# This is the chart version. This version number should be incremented each time you make changes
-# to the chart and its templates, including the app version.
-# Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.3.0
-
-# This is the version number of the application being deployed. This version number should be
-# incremented each time you make changes to the application. Versions are not expected to
-# follow Semantic Versioning. They should reflect the version the application is using.
-# It is recommended to use it with quotes.
+# We keep the version and appVersion in sync as most updates also include
+# changes to the CRDs which are bundled with the helm resources
+version: v5.14.0
 appVersion: "v5.14.0"