e2e-reusable.yaml

name: "Reusable End-to-end tests"

on:
  workflow_call:
    inputs:
      collector-image:
        description: "Collector image to use for tests"
        required: false
        type: string
        default: ""

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

permissions:
  contents: read

env:
  IMAGE_ARCHIVE_FILENAME: images.tar
  VERSION: e2e

jobs:
  build-test-images:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code into the Go module directory
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
    - name: Set up Go
      uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
      id: setup-go
      with:
        go-version: "~1.25.7"

    - name: Cache tools
      uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
      with:
        path: bin
        key: tools-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('Makefile') }}-${{ steps.setup-go.outputs.go-version }}

    - name: Install tools
      run: make install-tools

    - name: Build test image archive
      run: make container-image-archive IMAGE_ARCHIVE=${IMAGE_ARCHIVE_FILENAME} VERSION=${VERSION}

    - name: Upload test image archive
      uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
      with:
        name: Test image archive
        path: ${{ env.IMAGE_ARCHIVE_FILENAME }}
        if-no-files-found: 'error'
        retention-days: 1
        overwrite: true

  e2e-tests:
    runs-on: ubuntu-latest
    needs: [ build-test-images ]
    strategy:
      fail-fast: false
      matrix:
        # The e2e tests are run on the lowest and highest supported k8s version.
        # All Kubernetes version in between expose the same APIs, hence the operator
        # should be compatible with them.
        kube-version:
        - "1.25"
        - "1.35"
        group:
        - e2e
        - e2e-automatic-rbac
        - e2e-autoscale
        - e2e-instrumentation-default
        - e2e-instrumentation
        - e2e-opampbridge
        - e2e-pdb
        - e2e-prometheuscr
        - e2e-sidecar
        - e2e-targetallocator
        - e2e-targetallocator-cr
        - e2e-upgrade
        - e2e-multi-instrumentation-default
        - e2e-multi-instrumentation
        - e2e-metadata-filters
        - e2e-ta-collector-mtls
        - e2e-crd-validations
        include:
        - group: e2e-instrumentation-default
          setup: "add-instrumentation-params prepare-e2e"
        - group: e2e-instrumentation
          setup: "add-instrumentation-params add-instrumentation-images prepare-e2e"
        - group: e2e-multi-instrumentation-default
          setup: "add-instrumentation-params prepare-e2e"
        - group: e2e-multi-instrumentation
          setup: "add-instrumentation-params add-instrumentation-images prepare-e2e"
        - group: e2e-metadata-filters
          setup: "add-operator-arg OPERATOR_ARG='--annotations-filter=.*filter.out --annotations-filter=config.*.gke.io.* --labels-filter=.*filter.out' prepare-e2e"
        - group: e2e-ta-collector-mtls
          setup: "add-operator-arg OPERATOR_ARG='--feature-gates=operator.targetallocator.mtls' add-certmanager-permissions prepare-e2e"
        - group: e2e-automatic-rbac
          setup: "add-rbac-permissions-to-operator prepare-e2e"

    steps:
    - name: Check out code into the Go module directory
      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
    - name: Set up Go
      uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
      id: setup-go
      with:
        go-version: "~1.25.7"

    - name: Cache tools
      uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
      with:
        path: bin
        key: tools-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('Makefile') }}-${{ steps.setup-go.outputs.go-version }}

    - name: Install tools
      run: make install-tools

    - name: Download test image archive
      uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
      with:
        name: Test image archive

    - name: Prepare e2e tests
      env:
        KUBE_VERSION: ${{ matrix.kube-version }}
        COLLECTOR_IMG: ${{ inputs.collector-image }}
        SETUP_COMMANDS: ${{ matrix.setup != '' && matrix.setup || 'prepare-e2e' }}
      run: |
        set -e
        if [ -n "${COLLECTOR_IMG}" ]; then
          export SETUP_COMMANDS="add-image-collector COLLECTOR_IMG=${COLLECTOR_IMG} ${SETUP_COMMANDS}"
        fi
        eval "make ${SETUP_COMMANDS} KUBE_VERSION=$KUBE_VERSION VERSION=$VERSION IMAGE_ARCHIVE=$IMAGE_ARCHIVE_FILENAME"
    - name: Run e2e tests
      env:
        KUBE_VERSION: ${{ matrix.kube-version }}
      run: |
        set -e
        make ${{ matrix.group }}
    - name: "log operator if failed"
      if: ${{ failure() }}
      env:
        KUBE_VERSION: ${{ matrix.kube-version }}
      run: |
        set -e
        make e2e-log-operator KUBE_VERSION=$KUBE_VERSION
    - name: Upload test results
      uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
      if: always()
      with:
        path: .testresults/e2e/*.xml
        name: e2e-junit-${{ matrix.group }}-${{ matrix.kube-version }}
        retention-days: 7
        overwrite: true

  e2e-tests-check:
    runs-on: ubuntu-latest
    if: always()
    needs: [e2e-tests]
    outputs:
      result: ${{ needs.e2e-tests.result }}
    steps:
      - name: Print result
        run: echo ${{ needs.e2e-tests.result }}
      - name: Interpret result
        run: |
          if [[ success == ${{ needs.e2e-tests.result }} ]]
          then
            echo "All matrix jobs passed!"
          else
            echo "One or more matrix jobs failed."
            false
          fi
  # This event file is used by the JUnit report action in e2e-junit-report.yaml
  event_file:
    name: "Event File"
    if: always()
    runs-on: ubuntu-latest
    steps:
    - name: Upload
      uses: actions/upload-artifact@v7.0.0
      with:
        name: Event File
        path: ${{ github.event_path }}
        overwrite: true