ci: Release OCI Helm Chart

Author: codablock

.github/workflows/release.yml

@@ -49,13 +49,9 @@ jobs:
           key: ${{ runner.os }}-goreleaser-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-goreleaser-
-      - name: Generate release artifacts
-        if: startsWith(github.ref, 'refs/tags/v')
+      - name: Generate helm package
         run: |
-          mkdir -p config/release
-          kustomize build ./config/crd > ./config/release/${{ env.CONTROLLER }}.crds.yaml
-          kustomize build ./config/manager > ./config/release/${{ env.CONTROLLER }}.deployment.yaml
-          echo '[CHANGELOG](https://github.com/kluctl/${{ env.CONTROLLER }}/blob/main/CHANGELOG.md)' > ./config/release/notes.md
+          make helm-package
       - name: Run GoReleaser
         if: startsWith(github.ref, 'refs/tags/v')
         uses: goreleaser/goreleaser-action@v6
@@ -65,3 +61,7 @@ jobs:
           args: release --release-notes=config/release/notes.md --rm-dist --skip-validate
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Push chart to GHCR
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          helm push ./bin/chart/template-controller-*.tgz "oci://ghcr.io/${GITHUB_REPOSITORY_OWNER}/charts"

.goreleaser.yaml

@@ -59,11 +59,11 @@ release:
   draft: true
   prerelease: "true"
   extra_files:
-    - glob: config/release/*.yaml
+    - glob: bin/chart/template-controller-*.tgz
 
 checksum:
   extra_files:
-    - glob: config/release/*.yaml
+    - glob: bin/chart/template-controller-*.tgz
   name_template: '{{ .ProjectName }}_v{{ .Version }}_checksums.txt'
 
 source:

Makefile

@@ -88,12 +88,9 @@ helm-docs:
 	cd $(HELM_DIR); \
 	docker run --rm -v $(shell pwd)/$(HELM_DIR):/helm-docs -u $(shell id -u) jnorwood/helm-docs:v1.14.2
 
-HELM_VERSION ?= $(shell helm show chart $(HELM_DIR) | grep 'version:' | sed 's/version: //g')
-
 .PHONE: helm-package
 helm-package:
 	helm package $(HELM_DIR) --destination $(OUTPUT_DIR)/chart
-	mv $(OUTPUT_DIR)/chart/template-controller-$(HELM_VERSION).tgz $(OUTPUT_DIR)/chart/template-controller.tgz
 
 ##@ Build
 

docs/install.md

@@ -20,6 +20,8 @@ kubectl apply -f "https://raw.githubusercontent.com/kluctl/template-controller/v
 A Helm Chart for the controller is available as well.
 To install the controller via Helm, run:
 ```shell
-$ helm repo add kluctl https://kluctl.github.io/charts
-$ helm install template-controller -n template-controller --create-namespace kluctl/template-controller
+$ helm install template-controller -n template-controller --create-namespace oci://ghcr.io/kluctl/template-controller
 ```
+
+The Helm Chart is only distributed as an OCI package. The old Helm Repository found at https://github.com/kluctl/charts
+is not maintained anymore.