ci: push charts to GAR (#1044)

ci: add Google Artifact Registry

Author: ypoplavs

.github/workflows/helm-releaser-testkube-charts.yaml

@@ -8,6 +8,10 @@ on:
 jobs:
   release_charts:
     runs-on: ubuntu-latest
+    env:
+      GAR_PROJECT_ID: ${{ secrets.GCP_PROJECT_ID_PROD }}
+      GAR_LOCATION: ${{ secrets.GAR_LOCATION }}
+      GAR_REPOSITORY: testkube
 
     steps:
       - name: Checkout
@@ -51,13 +55,26 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Auth to Google Cloud
+        uses: google-github-actions/auth@v2
+        with:
+          project_id: ${{ env.GAR_PROJECT_ID }}
+          credentials_json: ${{ secrets.GKE_SA_KEY_PROD }} #Key to SA in Testkube Prod project
+
+      - name: Configure Docker for GAR
+        run: gcloud auth configure-docker ${{ env.GAR_LOCATION }}-docker.pkg.dev -q
+
       - name: Publish Helm Chart
         run: |
           REGISTRY=registry-1.docker.io
           echo ${{ secrets.DOCKERHUB_TOKEN }} | helm registry login ${REGISTRY} --username ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin
           helm dependency build charts/testkube
           helm package charts/testkube
           helm push testkube-${{ steps.helm-version.outputs.result }}.tgz oci://${REGISTRY}/kubeshop
+          
+          # push to Google Artifact Registry (OCI)
+          REGISTRY_GAR=${{ env.GAR_LOCATION }}-docker.pkg.dev
+          helm push testkube-${{ steps.helm-version.outputs.result }}.tgz oci://${REGISTRY_GAR}/${{ env.GAR_PROJECT_ID }}/${{ env.GAR_REPOSITORY }}
 
       - uses: actions/checkout@v4
         with:

.github/workflows/helm-releaser-testkube-main-chart-only.yaml

@@ -19,6 +19,10 @@ jobs:
   release_charts:
     runs-on: ubuntu-latest
     if: github.ref == 'refs/heads/main'
+    env:
+      GAR_PROJECT_ID: ${{ secrets.GCP_PROJECT_ID_PROD }}
+      GAR_LOCATION: ${{ secrets.GAR_LOCATION }}
+      GAR_REPOSITORY: testkube
 
     steps:
       - name: Checkout
@@ -60,13 +64,26 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+      - name: Auth to Google Cloud
+        uses: google-github-actions/auth@v2
+        with:
+          project_id: ${{ env.GAR_PROJECT_ID }}
+          credentials_json: ${{ secrets.GKE_SA_KEY_PROD }} #Key to SA in Testkube Prod project
+
+      - name: Configure Docker for GAR
+        run: gcloud auth configure-docker ${{ env.GAR_LOCATION }}-docker.pkg.dev -q
+
       - name: Publish Helm Chart
         run: |
           REGISTRY=registry-1.docker.io
           echo ${{ secrets.DOCKERHUB_TOKEN }} | helm registry login ${REGISTRY} --username ${{ secrets.DOCKERHUB_USERNAME }} --password-stdin
           helm dependency build charts/testkube
           helm package charts/testkube
           helm push testkube-${{ steps.helm-version.outputs.result }}.tgz oci://${REGISTRY}/kubeshop
+          
+          # push to Google Artifact Registry (OCI)
+          REGISTRY_GAR=${{ env.GAR_LOCATION }}-docker.pkg.dev
+          helm push testkube-${{ steps.helm-version.outputs.result }}.tgz oci://${REGISTRY_GAR}/${{ env.GAR_PROJECT_ID }}/${{ env.GAR_REPOSITORY }}
 
       - uses: actions/checkout@v4
         with: