feat: release helm charts to grafana/helm-charts

Author: theSuess

.github/workflows/release.yaml

@@ -10,7 +10,7 @@ permissions:
   packages: write
 
 jobs:
-  helm:
+  helm-oci:
     runs-on: ubuntu-latest
     steps:
       - name: Clone repo
@@ -32,6 +32,19 @@ jobs:
           helm package --app-version ${{ github.ref_name }} --version ${{ github.ref_name }} grafana-operator
           helm push grafana-operator-${{ github.ref_name }}.tgz ${{ env.HELM_REPO }}
 
+  helm-charts-repo:
+    permissions:
+      contents: write
+    uses: grafana/helm-charts/.github/workflows/update-helm-repo.yaml@main
+    with:
+      charts_dir: deploy/helm
+      cr_configfile: deploy/helm/cr.yaml
+      ct_configfile: deploy/helm/ct.yaml
+      helm_tag_prefix: helm
+    secrets:
+      github_app_id: ${{ secrets.GRAFANA_OPERATOR_HELM_RELEASE_APP_ID }}
+      github_app_pem: ${{ secrets.GRAFANA_OPERATOR_HELM_RELEASE_PEM_KEY }}
+
   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 +1,6 @@
+git-repo: helm-charts
+owner: grafana
+skip-existing: true
+release-name-template: "{{ .Name }}-{{ .Version }}"
+
+generate-release-notes: true

deploy/helm/ct.yaml

@@ -0,0 +1,11 @@
+---
+remote: origin
+target-branch: main
+chart-dirs:
+  - deploy/helm
+chart-repos:
+  - grafana=https://grafana.github.io/helm-charts
+helm-extra-args: --timeout 600s
+check-version-increment: false
+validate-maintainers: false
+validate-yaml: true

deploy/helm/grafana-operator/Chart.yaml

@@ -1,7 +1,6 @@
 apiVersion: v2
 name: grafana-operator
 description: A Helm chart for Kubernetes
-
 # 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"