publish-helm-charts.yaml

name: Publish Helm Charts

on:
  push:
    branches:
      - master
    tags:
      - "v*"

env:
  CHART_PATH: charts/kubeflow-trainer

jobs:
  publish:
    permissions:
      contents: read
      packages: write

    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Update appVersion in Chart.yaml
        run: |
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            APP_VERSION="${GITHUB_REF#refs/tags/}"
          else
            APP_VERSION="sha-$(git rev-parse --short=7 HEAD)"
          fi

          echo "appVersion: ${APP_VERSION}" >> ${{ env.CHART_PATH }}/Chart.yaml
          echo "Updated Chart.yaml with appVersion: ${APP_VERSION}"

      - name: Build, package, and push Helm chart
        run: |
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            VERSION=$(grep '^version:' ${{ env.CHART_PATH }}/Chart.yaml | awk '{print $2}')
          else
            VERSION="0.0.0-sha-$(git rev-parse --short=7 HEAD)"
          fi
          echo "Chart version set to: ${VERSION}"

          helm dependency build ${{ env.CHART_PATH }}
          helm package ${{ env.CHART_PATH }} --version ${VERSION}
          helm push kubeflow-trainer-${VERSION}.tgz oci://ghcr.io/kubeflow/charts