release-pr.yaml

name: PR tests

concurrency:
  # Run only for most recent commit in PRs but for all tags and commits on main
  # Ref: https://docs.github.com/en/actions/using-jobs/using-concurrency
  group: ${{ github.workflow }}-${{ github.head_ref || github.sha }}
  cancel-in-progress: true

on:
  pull_request:
    branches:
      - main
      - release/kong-2.x

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: third_party/go.mod

      - name: Run linters
        run: make lint

  lint-test:
    runs-on: ubuntu-latest
    env:
      # Specify this here because these tests rely on ktf to run kind for cluster creation.
      KIND_VERSION: v0.20.0
    strategy:
      matrix:
        chart-name:
          - kong
          - ingress
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          version: v3.11.0

      - name: Add Helm repos
        run: |
          helm repo add bitnami https://charts.bitnami.com/bitnami
          helm repo add kong https://charts.konghq.com

      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"

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

      - name: Run chart-testing (lint)
        run: ct lint --check-version-increment=false

      - name: setup testing environment (kind-cluster)
        env:
          KUBERNETES_VERSION: ${{ matrix.kubernetes-version }}
        run: ./scripts/test-env.sh

      - name: Run chart-testing (install)
        run: ct install --charts charts/${{ matrix.chart-name}}

  integration-test:
    runs-on: ubuntu-latest
    env:
      # Specify this here because these tests rely on ktf to run kind for cluster creation.
      KIND_VERSION: v0.20.0
      GATEWAY_API_VERSION: v0.8.1
    strategy:
      matrix:
        kubernetes-version:
        - "1.23.13"
        - "1.24.7"
        - "1.25.9"
        - "1.26.4"
        - "1.27.1"
        chart-name:
          - kong
          - ingress
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: setup helm
        uses: azure/setup-helm@v3
        with:
          version: v3.11.0

      - name: setup testing environment (kind-cluster)
        env:
          KUBERNETES_VERSION: ${{ matrix.kubernetes-version }}
        run: ./scripts/test-env.sh

      - name: run integration tests (integration)
        env:
          CHART_NAME: ${{ matrix.chart-name }}
        run: ./scripts/test-run.sh

      - name: run upgrade integration tests (integration-upgrade)
        env:
          CHART_NAME: ${{ matrix.chart-name }}
        run: ./scripts/test-upgrade.sh

      - name: cleanup integration tests (cleanup)
        run: ./scripts/test-env.sh cleanup
  oldversion-integration-test:
    runs-on: ubuntu-latest
    env:
      # Specify this here because these tests rely on ktf to run kind for cluster creation.
      KIND_VERSION: v0.20.0
      GATEWAY_API_VERSION: v0.8.1
    strategy:
      matrix:
        kic-version:
        - "2.10"
        - "2.11"
        kong-version:
        - "3.3"
        - "3.2"
        chart-name:
          - kong
          - ingress
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: setup helm
        uses: azure/setup-helm@v3
        with:
          version: v3.11.0

      - name: setup testing environment (kind-cluster)
        run: ./scripts/test-env.sh

      - name: run integration tests (integration)
        env:
          CHART_NAME: ${{ matrix.chart-name }}
          KONG_VERSION: ${{ matrix.kong-version }}
          KIC_VERSION: ${{ matrix.kic-version }}
        run: ./scripts/test-run.sh

      - name: cleanup integration tests (cleanup)
        run: ./scripts/test-env.sh cleanup

  golden-tests:
    runs-on: ubuntu-latest
    name: Golden tests
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # If these tests fail, it means that the chart has changed in a way that modified the rendered output
      # of the chart using one of the values files in the charts/kong/ci/ directory.
      # If this is expected, then the snapshots need to be updated using `make test.golden.update` command.
      - name: Verify snapshots are up to date
        uses: jlandowner/helm-chartsnap-action@v1
        id: chartsnap
        with:
          chart:  charts/kong/
          values: charts/kong/ci/

  # Workaround to allow checking the matrix tests as required tests without adding the individual cases
  # Ref: https://github.com/orgs/community/discussions/26822#discussioncomment-3305794
  passed:
    runs-on: ubuntu-latest
    needs:
      - lint
      - lint-test
      - integration-test
      - oldversion-integration-test
    if: always()
    steps:
      - if: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
        run: |
          echo "Some jobs failed or were cancelled."
          exit 1