linux_build.yml

name: Linux Builds

on:
    push:
        paths-ignore:
            - 'doc/**'
        branches-ignore:
            - 'backport**'
    pull_request:
        paths-ignore:
            - 'doc/**'

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

jobs:

  linux-build:
    if: "!contains(github.event.head_commit.message, '[ci skip]') && !contains(github.event.head_commit.message, '[skip ci]')"

    # Store the components of the container name as environment variables:
    # ${CONTAINER_REGISTRY}/${CONTAINER_REGISTRY_USER}/${CONTAINER_NAME}:${CONTAINER_TAG}
    #
    # Additionally, CACHE_CONTAINER_TAG may be used as as source for the
    # Docker build cache. So if the Dockerfile in a feature branch is
    # unchanged relative to master, a full container rebuild should not
    # be required.
    env:
      CONTAINER_REGISTRY: ${{ vars.gdal_container_registry || 'ghcr.io' }}
      CONTAINER_REGISTRY_USER: ${{ vars.gdal_container_registry_user || github.repository_owner }}
      CONTAINER_NAME: gdal-deps
      CONTAINER_TAG: ${{ matrix.container }}-${{ github.base_ref || github.ref_name }}
      CACHE_CONTAINER_TAG: ${{ matrix.container }}-master

    permissions:
      contents: write  # for Git to git push
      packages: write

    strategy:
      fail-fast: false
      matrix:
        #   Matrix variables:
        #
        #   * name : readable summary of configuration, used for display
        #   * id : used as a ccache key, and to create a build subdirectory
        #   * container : build environment container and path to build script
        #   * use_avx2 : if true, determine arch at runtime and use in ccache key
        #   * build_script : name of custom build script, if any. Will be executed
        #                    inside container, from build subdirectory.
        #   * before_test_script : name of script to run before tests, if any.
        #                          Will be executed outside container, from
        #                          workspace root. Can be used to start docker
        #                          containers as services for testing.
        #   * test_script : name of custom test script, if any. Will be executed
        #                   inside container, from build subdirectory.
        #   * travis_branch : value of TRAVIS_BRANCH environment variable,
        #                     used for test skipping
        include:
          - name: Alpine, gcc
            id: alpine
            container: alpine
            build_script: build.sh

          - name: Fedora Rawhide, clang++
            id: fedora_rawhide
            travis_branch: sanitize
            container: fedora_rawhide
            build_script: build.sh

          - name: Ubuntu 20.04, clang ASAN
            id: asan
            travis_branch: sanitize
            container: ubuntu_20.04
            build_script: build.sh
            test_script: test.sh

          - name: Ubuntu 20.04, gcc
            id: ubuntu_20.04
            travis_branch: ubuntu_2004
            container: ubuntu_20.04
            use_avx2: true
            build_script: build.sh
            test_script: test.sh

          - name: Ubuntu 20.04, coverage
            id: coverage
            travis_branch: ubuntu_2004
            container: ubuntu_20.04
            build_script: build.sh
            test_script: test.sh

          - name: Ubuntu 20.04, Intel compiler
            id: icc
            container: icc
            build_script: build.sh

          - name: Ubuntu 18.04, gcc
            id: ubuntu_18.04
            container: ubuntu_18.04
            build_script: build.sh
            before_test_script: services.sh
            test_script: test.sh
            travis_branch: ubuntu_1804

          - name: Ubuntu 18.04, gcc 32-bit
            id: ubuntu_18.04_32bit
            container: ubuntu_18.04_32bit
            build_script: build.sh
            test_script: test.sh
            travis_branch: ubuntu_1804_32bit

    name: ${{ matrix.name }}

    runs-on: ubuntu-latest

    defaults:
      run:
        # bash is needed to use ${CONTAINER_REGISTRY_USER,,}, which forces the
        # username to lower-case as required by docker.
        shell: bash

    steps:
      - name: Set variables
        run: |
          CONTAINER_TAG_CLEAN=$(echo ${CONTAINER_TAG} | tr -d -c "[:alnum:].-")
          echo "CONTAINER_TAG_CLEAN=${CONTAINER_TAG_CLEAN}"
          echo "CONTAINER_TAG_CLEAN=${CONTAINER_TAG_CLEAN}" >> ${GITHUB_ENV}
          echo "CONTAINER_NAME_FULL=${CONTAINER_REGISTRY}/${CONTAINER_REGISTRY_USER,,}/${CONTAINER_NAME}:${CONTAINER_TAG_CLEAN}"  >>${GITHUB_ENV}

      - name: Checkout
        uses: actions/checkout@v3

      - name: Login to Docker Hub
        if: env.CONTAINER_REGISTRY == 'docker.io'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GHCR
        if: env.CONTAINER_REGISTRY == 'ghcr.io'
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin

        # Pull build environment in forks or pull requests, unless [skip cache] is included in the commit message
      - name: Pull build environment
        if: "(github.repository_owner != 'OSGeo' || github.event_name == 'pull_request') && !contains(github.event.head_commit.message, '[skip cache]')"
        run: |
          docker pull ${CONTAINER_REGISTRY}/osgeo/${CONTAINER_NAME}:${CONTAINER_TAG_CLEAN} || true
          docker pull ${CONTAINER_REGISTRY}/osgeo/${CONTAINER_NAME}:${CACHE_CONTAINER_TAG} || true
          docker pull ${CONTAINER_NAME_FULL} || true
          echo "DOCKER_BUILD_CACHE_FROM=--cache-from ${CONTAINER_REGISTRY}/osgeo/${CONTAINER_NAME}:${CONTAINER_TAG_CLEAN} --cache-from ${CONTAINER_REGISTRY}/osgeo/${CONTAINER_NAME}:${CACHE_CONTAINER_TAG} --cache-from ${CONTAINER_NAME_FULL}" >>${GITHUB_ENV}

      - name: Prepare build context
        run: |
          mkdir docker-build-context
          cp autotest/requirements.txt docker-build-context

      - name: Update build environment
        env:
          DOCKER_BUILDKIT: 1
        run: |
          docker build \
            --build-arg BUILDKIT_INLINE_CACHE=1 \
            ${DOCKER_BUILD_CACHE_FROM} \
            -t ${CONTAINER_NAME_FULL} \
            -f .github/workflows/${{ matrix.container }}/Dockerfile.ci \
            docker-build-context

      # Get the architecture so we can use it as part of the cache key,
      # but only if we are going to use avx2 in the build. If we are not,
      # including the arch will cause unnecessary cache misses.
      - name: Get Architecture
        id: get-arch
        if: matrix.use_avx2
        run: |
            export ARCH=$(cc -march=native -### -E - < /dev/null 2>&1 | sed -ne 's/.*cc1 .*-march=\([^ "]*\)[ "].*/\1/p')
            echo "Architecture: $ARCH"
            echo "arch=$ARCH" >> $GITHUB_OUTPUT

      # cache the .ccache directory
      # key it on the runner os, build type, deps, and arch
      # It's especially important to include arch in the key because we
      # may get runtime errors with -mavx2 from objects built on a
      # different architecture.
      - name: Restore build cache
        id: restore-cache
        uses: actions/cache/restore@v3
        with:
          path: ${{ github.workspace }}/.ccache
          key: ${{ matrix.id }}-${{ steps.get-arch.outputs.arch }}-${{ github.ref_name }}-${{ github.run_id }}
          restore-keys: |
            ${{ matrix.id }}-${{ steps.get-arch.outputs.arch }}-${{ github.ref_name }}
            ${{ matrix.id }}-${{ steps.get-arch.outputs.arch }}

      - name: Prepare ccache
        run: |
          docker run --rm \
            -v ${{ github.workspace }}/.ccache:/root/.ccache \
            ${CONTAINER_NAME_FULL} \
            sh -c "ccache -M 1G && ccache -sp && ccache -z"

        # FIXME the default BUILD_CMD here isn't working...we get an error
        # about the quotes not matching.
      - name: Build
        run: |
          if test -f ".github/workflows/${{ matrix.id }}/${{ matrix.build_script }}"; then
            BUILD_CMD="$(pwd)/.github/workflows/${{ matrix.id }}/${{ matrix.build_script }}"
          else
            BUILD_CMD="sh -c 'cmake .. && make -j$(nproc)'"
          fi

          mkdir -p build-${{ matrix.id }}
          docker run --name gdal-build \
            --rm \
            -e "GDAL_SOURCE_DIR=$(pwd)" \
            -v $(pwd):$(pwd):rw \
            -v ${{ github.workspace }}/.ccache:/root/.ccache:rw \
            --workdir $(pwd)/build-${{ matrix.id }} \
            ${CONTAINER_NAME_FULL} \
            ${BUILD_CMD}

      - name: Summarize ccache
        run: |
          docker run --rm \
            -v ${{ github.workspace }}/.ccache:/root/.ccache \
            ${CONTAINER_NAME_FULL} \
            ccache -s

      - name: Save build cache
        uses: actions/cache/save@v3
        with:
          path: ${{ github.workspace }}/.ccache
          key: ${{ steps.restore-cache.outputs.cache-primary-key }}

      - name: Start test services
        if: matrix.before_test_script
        run: |
            .github/workflows/${{ matrix.id }}/${{ matrix.before_test_script }}

        # --security-opt seccomp=unconfined, so that the userfaulfd syscall is availabledocker run \
      - name: Run tests
        env:
          TRAVIS: yes
          TRAVIS_BRANCH: ${{ matrix.travis_branch }}
        run: |
          if test -f ".github/workflows/${{ matrix.id }}/${{ matrix.test_script }}"; then
            TEST_CMD="$(pwd)/.github/workflows/${{ matrix.id }}/${{ matrix.test_script }}"
          else
            TEST_CMD="ctest -V -j $(nproc)"
          fi

          docker run \
            -e CI \
            -e GITHUB_WORKFLOW \
            -e TRAVIS \
            -e TRAVIS_BRANCH \
            -e "GDAL_SOURCE_DIR=$(pwd)" \
            --security-opt seccomp=unconfined \
            --add-host=host.docker.internal:host-gateway \
            --rm \
            -v $(pwd):$(pwd) \
            --workdir $(pwd)/build-${{ matrix.id }} \
            ${CONTAINER_NAME_FULL} \
            ${TEST_CMD}

      - name: Coveralls
        uses: coverallsapp/github-action@v2
        if: ${{ matrix.id == 'coverage' }}
        with:
          format: lcov
          file: build-coverage/gdal_filtered.info

      - name: Push build environment
        if: github.event_name == 'push'
        continue-on-error: true
        env:
          DOCKER_BUILDKIT: 1
        run: |
          docker push ${CONTAINER_NAME_FULL}

      - name: Upload coverage artifacts
        uses: actions/upload-artifact@v3
        if: ${{ matrix.id == 'coverage' }}
        with:
          name: coverage_index.html
          path: build-${{ matrix.id }}/coverage_html/index.html

      - name: Upload coverage artifacts
        uses: actions/upload-artifact@v3
        if: ${{ matrix.id == 'coverage' }}
        with:
          name: HTML
          path: build-${{ matrix.id }}/coverage_html/*

      - name: Deploy ssh key (for coverage)
        if: ${{ matrix.id == 'coverage' && github.event_name == 'push' && github.ref_name == 'master' && github.repository == 'OSGeo/gdal' }}
        shell: bash -l {0}
        run: |
          mkdir $HOME/.ssh && echo "${{ secrets.GDAL_TEST_COVERAGE_RESULTS_SSH_KEY }}" > $HOME/.ssh/id_rsa
          chmod 700 $HOME/.ssh && chmod 600 $HOME/.ssh/id_rsa
          ssh-keyscan -t rsa github.com >> $HOME/.ssh/known_hosts
          eval `ssh-agent -s`
          ssh-add $HOME/.ssh/id_rsa

      - name: Deploy to https://github.com/OSGeo/gdal-test-coverage-results
        if: ${{ matrix.id == 'coverage' && github.event_name == 'push' && github.ref_name == 'master' && github.repository == 'OSGeo/gdal' }}
        shell: bash -l {0}
        run: |
          set -x
          set -e
          mkdir -p output_html/coverage_html
          cp -r $GITHUB_WORKSPACE/build-${{ matrix.id }}/coverage_html/* output_html/coverage_html/
          cd output_html
          git init
          git config user.email "gdal-test-coverage-results-bot@example.com"
          git config user.name "GDAL test coverage results bot"
          git remote add origin git@github.com:gdalautotest-coverage-results/gdalautotest-coverage-results.github.io
          git remote -v
          echo "Results of coverage of GDAL autotest See https://gdalautotest-coverage-results.github.io/coverage_html/index.html" > README.md
          git add -A
          git commit -m "Update with OSGeo/gdal commit $GITHUB_SHA"
          git push -f origin master