ci.yml

name: ci

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  pull_request:
    branches: 
      - main
    paths:
        - "*.go"
        - "**/*.go"
        - Dockerfile
        - docker-bake.hcl
        - .github/workflows/ci.yml
        - frontend/mariner2/Dockerfile
        - go.mod
        - go.sum
  push:
    branches:
      - main
    paths:
      - "*.go"
      - "**/*.go"
      - Dockerfile
      - docker-bake.hcl
      - .github/workflows/ci.yml
      - frontend/mariner2/Dockerfile
      - go.mod
      - go.sum

permissions:
  contents: read

jobs:
  lint:
    runs-on: ubuntu-22.04
    steps:
      - name: checkout
        uses: actions/checkout@v3
      - uses: actions/setup-go@v4
        with:
          go-version: '1.21'
          cache: false
      # Use the golang-ci lint action which automattically sets up GHA caching and other things
      # Note: There is also a "lint" target in docker-bake.hcl for local linting
      # If you make changes to this, please make sure to also update the local linting target
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v3
        with:
          version: v1.54
          args: --timeout=30m
      - name: validate generated files
        run: |
          go generate || exit $?
          git diff --exit-code
          if [ $? -ne 0 ]; then
            echo "::error::Missing updates to generated files. Please run 'go generate' and commit the changes"
            exit 1
          fi


  integration:
    runs-on: ubuntu-22.04
    # TODO: support diff/merge
    # Right now this is handled by the e2e suite, but we can migrate that here.
    steps:
      - name: checkout
        uses: actions/checkout@v3
      - uses: actions/setup-go@v4
        with:
          go-version: '1.21'
          cache: false

      - name: Expose GitHub tokens for caching
        uses: crazy-max/ghaction-github-runtime@v3
      # Tests currently require buildkit v0.12.0 or higher
      # The version of buildkit builtin to moby currently (v24) is too old
      # So we need to setup a custom builder.
      - name: Set up builder
        uses: docker/setup-buildx-action@v3
      - name: Run integaration tests
        run: go test -v ./test
      - name: dump logs
        if: failure()
        run: sudo journalctl -u docker


  e2e:
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        disable_diff_merge: ["1", "0"]
    name: "Test E2E (disable diff/merge: ${{ matrix.disable_diff_merge }})"
    env:
      DALEC_DISABLE_DIFF_MERGE: ${{ matrix.disable_diff_merge }}
      FRONTEND_REF: localhost:5000/dalec/frontend
    steps:
      - name: checkout
        uses: actions/checkout@v3
        with:
          # We need to fetch all commits so that we can diff against the base branch
          fetch-depth: 0
      - name: Expose GitHub tokens for caching
        uses: crazy-max/ghaction-github-runtime@v3
      - name: Setup builder
        run: |
          # Sometimes the builder runs out of space... so cleanup anything we can first.
          docker image prune -a -f

          docker run -d --net=host registry

          # If diff/merge are enabled we need to use a buildx builder to make sure the feature is supported.
          # Otherwise we can just use the default docker builder.
          if [ "${DALEC_DISABLE_DIFF_MERGE}" = "0" ]; then
            docker buildx create --use --driver-opt network=host
            echo FRONTEND_BAKE_TARGET="frontend-ci-full" >> $GITHUB_ENV
            echo USE_BUILDX=1 >> $GITHUB_ENV
          else
            echo DALEC_NO_CACHE_EXPORT="1" >> $GITHUB_ENV
            echo DALEC_DISABLE_NESTED="1" >> $GITHUB_ENV
            echo FRONTEND_BAKE_TARGET="frontend-ci" >> $GITHUB_ENV
          fi

          # Check if the mariner2 toolchain was modified and needs to be rebuilt
          # The bake file will take care of rebuilding it if needed
          set -e
          diff="$(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} HEAD)"

          set +e
          grep frontend/mariner2/Dockerfile <<<"${diff}" && \
            echo REBUILD_MARINER2_TOOLCHAIN=1 >> $GITHUB_ENV

          echo "MARINER2_TOOLCHAIN_CACHE_REF=$(tr '[:upper:]' '[:lower:]' <<< "ghcr.io/${{ github.repository }}/mariner2/toolchain:cache")" >> $GITHUB_ENV
      - name: Build frontend image
        run: docker buildx bake ${FRONTEND_BAKE_TARGET}
      - name: test
        run: |
          docker buildx bake \
            --set mariner2-toolchain.cache-from=type=registry,ref=${MARINER2_TOOLCHAIN_CACHE_REF} \
            test
      - name: dump logs
        if: failure()
        run: |
          if [ "${USE_BUILDX}" = "1" ]; then
            docker logs $(docker ps -lq)
          else
            sudo journalctl -u docker
          fi