chart-release.yml

name: Release Helm chart

on:
  push:
    tags:
      - "chart-v*"
  workflow_dispatch:

permissions:
  contents: write
  packages: write

concurrency:
  group: chart-release-${{ github.ref }}
  cancel-in-progress: false

env:
  HELM_VERSION: v3.15.4

jobs:
  release:
    name: Publish chart to GH Pages + GHCR OCI
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - uses: azure/setup-helm@v4
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Run chart-releaser (GH Pages)
        uses: helm/chart-releaser-action@v1.6.0
        with:
          charts_dir: deploy/helm
          config: .github/cr.yaml
        env:
          CR_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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

      - name: Push chart to GHCR (OCI)
        env:
          OWNER: ${{ github.repository_owner }}
          REPO: ${{ github.event.repository.name }}
        run: |
          owner_lc="${OWNER,,}"
          repo_lc="${REPO,,}"
          # Reuse the .tgz chart-releaser already built; fall back if absent.
          pkg_dir=".cr-release-packages"
          [ -d "$pkg_dir" ] || {
            pkg_dir=".chart-dist"
            mkdir -p "$pkg_dir"
            helm package deploy/helm/l9gpu --destination "$pkg_dir"
          }
          # Push under repo-scoped namespace to avoid collisions with other
          # charts under ghcr.io/<owner>/charts owned by a different repo.
          for pkg in "$pkg_dir"/*.tgz; do
            helm push "$pkg" "oci://ghcr.io/${owner_lc}/${repo_lc}" || true
          done