helm_deploy.yml

name: Build and publish helm charts

on:
  push:
  pull_request:

env:
  HELM_VERSION_TO_INSTALL: 3.14.3

jobs:
  build-and-push-helm-charts:
    name: publish helm charts to ghcr.io
    runs-on: ubuntu-latest
    environment: prod
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: install helm
        uses: Azure/setup-helm@v3
        with:
          version: ${{ env.HELM_VERSION_TO_INSTALL }}

      - name: push the helm chart
        run: |
          echo ${{ secrets.GITHUB_TOKEN }} | helm registry login ghcr.io/${{ github.repository_owner }} --username ${{ github.repository_owner }} --password-stdin

          REGISTRY=oci://ghcr.io/epics-containers
          set -x

          # helm tags must be SemVar. Use 0.0.0-b0 for testing the latest non-tagged build
          if [ "${GITHUB_REF_TYPE}" == "tag" ] ; then
            TAG=${GITHUB_REF_NAME}
          else
            TAG="0.0.0-b0"
          fi

          for chart in Charts/*; do
            (
              cd $(realpath $chart)
              NAME=$(sed -n '/^name: */s///p' Chart.yaml)

              helm package -u --app-version ${TAG} --version ${TAG} .
              PACKAGE=${NAME}-${TAG}.tgz

              helm push "$PACKAGE" $REGISTRY
            )
          done