helm: push chart to github container registry with

supports OCI specification

Signed-off-by: Rash419 <rashesh.padia@collabora.com>
Change-Id: I5bc031552fe2eb6940f068dcef82fe71f640585c

.github/workflows/helm-release.yml

@@ -13,6 +13,7 @@ jobs:
     # see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#modifying-the-permissions-for-the-github_token
     permissions:
       contents: write
+      packages: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -32,10 +33,33 @@ jobs:
 
       - name: Run chart-releaser
         # for use with make-release-latest
-        uses: helm/chart-releaser-action@v1
+        uses: helm/chart-releaser-action@v1.6.0
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
           CR_SKIP_EXISTING: true
         with:
           charts_dir: "kubernetes/helm"
           config: kubernetes/helm/cr.yaml
+
+      # see https://github.com/helm/chart-releaser/issues/183
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Push charts to GHCR
+        run: |
+          shopt -s nullglob
+          for pkg in .cr-release-packages/*; do
+            if [ -z "${pkg:-}" ]; then
+              break
+            fi
+
+            # convert uppercase->lowercase to make sure it follows oci rules
+            lowercase=$(echo "${GITHUB_REPOSITORY_OWNER}" | tr '[:upper:]' '[:lower:]')
+            
+            echo "Pushing package - ${pkg} to repository - ${lowercase}"
+            helm push "${pkg}" "oci://ghcr.io/${lowercase}/charts"
+          done