ci_chart_test.yml

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name: InLong Helm Charts Lint and Test

on:
  push:
    paths:
      - '.github/workflows/ci_chart_test.yml'
      - '.github/ct.yml'
      - '.github/kind.yml'
      - 'docker/kubernetes/**'
      - '!docker/kubernetes/NOTES.txt'
      - '!**.md'

  pull_request:
    paths:
      - '.github/workflows/ci_chart_test.yml'
      - '.github/ct.yml'
      - '.github/kind.yml'
      - 'docker/kubernetes/**'
      - '!docker/kubernetes/NOTES.txt'
      - '!**.md'

env:
  CT_CONFIG_PATH: '.github/ct.yml'
  KIND_CONFIG_PATH: '.github/kind.yml'

jobs:
  chart-test:
    name: Lint and test charts
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        kubernetes-version:
          - 'kindest/node:v1.21.10'
          - 'kindest/node:v1.23.4'
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: true

      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.5.0

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Set up chart-testing
        uses: ./.github/actions/chart-testing-action

      - name: List changed charts
        id: list-changed
        run: |
          changed=$(ct list-changed --config ${{ env.CT_CONFIG_PATH }} --target-branch ${{ github.event.repository.default_branch }})
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "Changed charts: $changed"
          else
            echo "Charts are not changed, they will not be linted, validated, installed and tested."
          fi

      # NOTE: If the charts have not changed, they will not be linted, validated, installed and tested.
      - name: Lint and validate charts
        run: ct lint --config ${{ env.CT_CONFIG_PATH }}

      - name: Create Kind cluster
        if: ${{ steps.list-changed.outputs.changed == 'true' }}
        uses: ./.github/actions/kind-action
        with:
          config: ${{ env.KIND_CONFIG_PATH }}
          node_image: ${{ matrix.kubernetes-version }}

      - name: Install and test charts
        if: ${{ success() && steps.list-changed.outputs.changed == 'true' }}
        run: ct install --config ${{ env.CT_CONFIG_PATH }}