chart-lint-test-release.yaml

name: Lint, Test, Release

on:
  push:
    paths-ignore:
      - 'README.md'
    branches:
      - main
  pull_request:
    paths-ignore:
      - 'README.md'
    branches:
      - main
  workflow_dispatch:

jobs:
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Run chart-testing (lint)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct lint --target-branch ${{ github.event.repository.default_branch }} --validate-maintainers=false --chart-repos "bitnami=https://charts.bitnami.com/bitnami" --check-version-increment=false

      - name: Create kind cluster
        if: steps.list-changed.outputs.changed == 'true'
        uses: helm/kind-action@v1

      - name: Run chart-testing (install)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct install --target-branch ${{ github.event.repository.default_branch }}

  release:
    runs-on: ubuntu-latest
    needs:
      - lint-test
    if: github.ref == 'refs/heads/main'
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: Install Helm
        uses: azure/setup-helm@v3
      
      # Add all dependencies of all charts in this repo with "helm repo add"
      # https://github.com/helm/chart-releaser-action/issues/74#issuecomment-1206111172
      - name: Add dependent Helm repos
        run: |
          for dir in $(ls -d charts/*/); do
            helm dependency list $dir 2> /dev/null | tail +2 | head -n -1 | awk '{ print "helm repo add " $1 " " $3 }' | while read cmd; do $cmd; done
          done

      - name: Run chart-releaser
        # TODO pin version here once https://github.com/helm/chart-releaser-action/pull/134 is released
        uses: helm/chart-releaser-action@main
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        with:
          # skip the release if the release already exists (release is unwanted and would fail)
          skip_existing: true