helm-charts/.github/workflows/charts-lint.yaml

name: "Charts: Lint"

on:
  workflow_call:
    inputs:
      checkoutCommit:
        required: true
        type: string
      isRenovatePR:
        required: true
        default: "false"
        type: string
      chartsToLint:
        description: >
          A JSON encoded array of charts to lint
        required: true
        type: string
      overrideDeps:
        description: >
          A JSON encoded array of dependencies to override before linting
        type: string
        required: false
        default: "[]"

env:
  HELM_VERSION: 3.11.2

jobs:
  lint-chart:
    if: ${{ inputs.chartsToLint != '[]' }}
    name: Lint chart
    strategy:
      matrix:
        chart: ${{ fromJSON(inputs.chartsToLint) }}
      fail-fast: false
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
        with:
          fetch-depth: 0
          ref: ${{ inputs.checkoutCommit }}

      - name: Verify chart version
        uses: bjw-s/helm-charts-actions/verify-chart-version@main
        id: verify-chart-version
        with:
          chart: "charts/${{ matrix.chart }}"

      - name: Verify chart changelog
        uses: bjw-s/helm-charts-actions/verify-chart-changelog@main
        if: inputs.isRenovatePR != 'true'
        id: verify-chart-changelog
        with:
          chart: "charts/${{ matrix.chart }}"

      - name: Install Kubernetes tools
        uses: yokawasa/action-setup-kube-tools@v0.9.3
        with:
          setup-tools: |
            helmv3
          helm: "${{ env.HELM_VERSION }}"

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.6.1

      - name: Override chart dependencies
        uses: ./.github/actions/override-chart-deps
        if: ${{ inputs.overrideDeps != '[]' }}
        with:
          chart: ${{ matrix.chart }}
          overrides: ${{ inputs.overrideDeps }}

      - name: Run chart-testing (lint)
        run: ct lint --config .ci/ct/ct.yaml --charts "charts/${{ matrix.chart }}"

  lint_success:
    needs:
      - lint-chart
    if: |
      always()
    name: Lint successful
    runs-on: ubuntu-latest
    steps:
      - name: Check matrix status
        if: >-
          ${{
              (
                inputs.chartsToLint != '' && inputs.chartsToLint != '[]'
              ) &&
              (
                contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled')
              )
          }}
        run: exit 1