tests-datapath-verifier.yaml

name: Datapath BPF Complexity (ci-verifier)

# Any change in triggers needs to be reflected in the concurrency group.
on:
  workflow_dispatch:
    inputs:
      PR-number:
        description: "Pull request number."
        required: true
      context-ref:
        description: "Context in which the workflow runs. If PR is from a fork, will be the PR target branch (general case). If PR is NOT from a fork, will be the PR branch itself (this allows committers to test changes to workflows directly from PRs)."
        required: true
      SHA:
        description: "SHA under test (head of the PR branch)."
        required: true
      extra-args:
        description: "[JSON object] Arbitrary arguments passed from the trigger comment via regex capture group. Parse with 'fromJson(inputs.extra-args).argName' in workflow."
        required: false
        default: '{}'
  # Run every 6 hours
  schedule:
    - cron:  '0 5/6 * * *'

# By specifying the access of one of the scopes, all of those that are not
# specified are set to 'none'.
permissions:
  # To be able to access the repository with actions/checkout
  contents: read
  # To allow retrieving information from the PR API
  pull-requests: read
  # To be able to set commit status
  statuses: write

concurrency:
  # Structure:
  # - Workflow name
  # - Event type
  # - A unique identifier depending on event type:
  #   - schedule: SHA
  #   - workflow_dispatch: PR number
  #
  # This structure ensures a unique concurrency group name is generated for each
  # type of testing, such that re-runs will cancel the previous run.
  group: |
    ${{ github.workflow }}
    ${{ github.event_name }}
    ${{
      (github.event_name == 'schedule' && github.sha) ||
      (github.event_name == 'workflow_dispatch' && github.event.inputs.PR-number)
    }}
  cancel-in-progress: true

env:
  check_url: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}

jobs:
  commit-status-start:
    name: Commit Status Start
    runs-on: ubuntu-latest
    steps:
      - name: Set initial commit status
        uses: myrotvorets/set-commit-status-action@38f3f27c7d52fb381273e95542f07f0fba301307 # v2.0.0  
        with:
          sha: ${{ inputs.SHA || github.sha }}

  setup-and-test:
    runs-on: ubuntu-latest-4cores-16gb
    name: Setup & Test
    strategy:
      fail-fast: false
      matrix:
        include:
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
          - kernel: '4.19-20230912.232842'
            ci-kernel: '419'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
          - kernel: '5.4-20230912.232842'
            ci-kernel: '54'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
          - kernel: '5.10-20230912.232842'
            ci-kernel: '510'
            # renovate: datasource=docker depName=quay.io/lvh-images/kind
          - kernel: '5.15-20230912.232842'
            ci-kernel: '510'
            # We don't want to update bpf-next after branching
          - kernel: 'bpf-next-20230420.212204'
            ci-kernel: 'netnext'
    timeout-minutes: 60
    steps:
      # Warning: since this is a privileged workflow, subsequent workflow job
      # steps must take care not to execute untrusted code.
      - name: Checkout pull request branch (NOT TRUSTED)
        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
        with:
          ref: ${{ inputs.SHA || github.sha }}
          persist-credentials: false

      - name: Provision LVH VMs
        uses: cilium/little-vm-helper@908ab1ff8a596a03cd5221a1f8602dc44c3f906d # v0.0.12
        with:
          test-name: datapath-bpf-complexity
          image: 'complexity-test'
          image-version: ${{ matrix.kernel }}
          host-mount: ./
          cpu: 4
          dns-resolver: '1.1.1.1'
          install-dependencies: 'true'
          cmd: |
            git config --global --add safe.directory /host
            uname -a

      - name: Run verifier tests
        uses: cilium/little-vm-helper@908ab1ff8a596a03cd5221a1f8602dc44c3f906d # v0.0.12
        with:
          provision: 'false'
          cmd: |
            cd /host/
            # Run with cgo disabled, LVH images don't ship with gcc.
            CGO_ENABLED=0 go test -v -parallel=1 ./test/verifier -cilium-base-path /host -ci-kernel-version ${{ matrix.ci-kernel }}

      - name: Fetch artifacts
        if: ${{ !success() }}
        uses: cilium/little-vm-helper@908ab1ff8a596a03cd5221a1f8602dc44c3f906d # v0.0.12
        with:
          provision: 'false'
          cmd: |
            cd /host
            mkdir datapath-verifier
            cp bpf/*.o datapath-verifier
            find test/verifier -name "*.log" -exec cp {} datapath-verifier/ \;

      - name: Upload artifacts
        if: ${{ !success() }}
        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
        with:
          name: datapath-verifier_${{ matrix.kernel }}
          path: datapath-verifier
          retention-days: 5

  commit-status-final:
    if: ${{ always() }}
    name: Commit Status Final
    needs: setup-and-test
    runs-on: ubuntu-latest
    steps:
      - name: Set final commit status
        uses: myrotvorets/set-commit-status-action@38f3f27c7d52fb381273e95542f07f0fba301307 # v2.0.0  
        with:
          sha: ${{ inputs.SHA || github.sha }}
          status: ${{ needs.setup-and-test.result }}