name: CI
on:
  push:
    branches:
      - main
      - 'release/**'
  pull_request:
    branches:
      - main
      - 'release/**'

jobs:
  #
  # golangci-lint
  #
  linters:
    name: Linters
    runs-on: ${{ matrix.os }}
    timeout-minutes: 10

    strategy:
      matrix:
        go-version: [1.17.3]
        os: [ubuntu-18.04, macos-10.15, windows-2019]

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go-version }}

      - uses: actions/checkout@v2
      - uses: golangci/golangci-lint-action@v2
        with:
          version: v1.42.0
          args: --timeout=5m
          skip-go-installation: true

  #
  # Project checks
  #
  project:
    name: Project Checks
    runs-on: ubuntu-18.04
    timeout-minutes: 5

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'

      - uses: actions/checkout@v2
        with:
          path: src/github.com/containerd/containerd
          fetch-depth: 100

      - uses: containerd/project-checks@v1
        with:
          working-directory: src/github.com/containerd/containerd

      - name: verify go modules and vendor directory
        run: |
          sudo apt-get install -y jq
          make verify-vendor
        working-directory: src/github.com/containerd/containerd

  #
  # Protobuf checks
  #
  protos:
    name: Protobuf
    runs-on: ubuntu-18.04
    timeout-minutes: 5

    defaults:
      run:
        working-directory: src/github.com/containerd/containerd

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'

      - uses: actions/checkout@v2
        with:
          path: src/github.com/containerd/containerd

      - name: Set env
        shell: bash
        run: |
          echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
          echo "GO111MODULE=off" >> $GITHUB_ENV
          echo "${{ github.workspace }}/bin" >> $GITHUB_PATH

      - name: Install protobuf
        run: |
          sudo -E PATH=$PATH script/setup/install-protobuf
          sudo chmod +x /usr/local/bin/protoc
          sudo chmod og+rx /usr/local/include/google /usr/local/include/google/protobuf /usr/local/include/google/protobuf/compiler
          sudo chmod -R og+r /usr/local/include/google/protobuf/
          protoc --version

      - run: script/setup/install-dev-tools
      - run: make proto-fmt
      - run: make check-protos check-api-descriptors

  man:
    name: Manpages
    runs-on: ubuntu-18.04
    timeout-minutes: 5

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'
      - uses: actions/checkout@v2
      - run: go get github.com/cpuguy83/go-md2man/v2@v2.0.1
      - run: make man

  # Make sure binaries compile with other platforms
  crossbuild:
    name: Crossbuild Binaries
    needs: [project, linters, protos, man]
    runs-on: ubuntu-18.04
    timeout-minutes: 10
    strategy:
      fail-fast: false
      matrix:
        include:
          - goos: linux
            goarch: arm64
          - goos: linux
            goarch: arm
            goarm: "7"
          - goos: linux
            goarch: arm
            goarm: "5"
          - goos: freebsd
            goarch: amd64
          - goos: freebsd
            goarch: arm64
          - goos: windows
            goarch: arm
            goarm: "7"

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'
      - uses: actions/checkout@v2
      - run: |
          set -e -x

          packages=""
          platform="${{matrix.goos}}/${{matrix.goarch}}"
          if [ -n "${{matrix.goarm}}" ]; then
            platform+="/v${{matrix.goarm}}"
          fi

          case "${platform}" in
          linux/arm/v5)
            packages+=" crossbuild-essential-armel"
            echo "CGO_ENABLED=1" >> $GITHUB_ENV
            echo "CC=arm-linux-gnueabi-gcc" >> $GITHUB_ENV
            ;;
          linux/arm/v7)
            packages+=" crossbuild-essential-armhf"
            echo "CGO_ENABLED=1" >> $GITHUB_ENV
            echo "CC=arm-linux-gnueabihf-gcc" >> $GITHUB_ENV
            ;;
          linux/arm64)
            packages+=" crossbuild-essential-arm64"
            echo "CGO_ENABLED=1" >> $GITHUB_ENV
            echo "CC=aarch64-linux-gnu-gcc" >> $GITHUB_ENV
            ;;
          windows/arm/v7)
            echo "CGO_ENABLED=0" >> $GITHUB_ENV
            ;;
          esac

          if [ -n "${packages}" ]; then
            sudo apt-get update && sudo apt-get install -y ${packages}
          fi
        name: Install deps
      - name: Build
        env:
          GOOS: ${{matrix.goos}}
          GOARCH: ${{matrix.goarch}}
          GOARM: ${{matrix.goarm}}
        run: |
          make build
          make binaries

  #
  # Build containerd binaries
  #
  binaries:
    name: Binaries
    runs-on: ${{ matrix.os }}
    timeout-minutes: 10
    needs: [project, linters, protos, man]

    strategy:
      matrix:
        os: [ubuntu-18.04, macos-10.15, windows-2019]
        go-version: ['1.17.3']

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go-version }}

      - name: Set env
        shell: bash
        run: |
          echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
          echo "${{ github.workspace }}/bin" >> $GITHUB_PATH

      - uses: actions/checkout@v2
        with:
          path: src/github.com/containerd/containerd

      - name: Make
        run: |
          make build
          make binaries
        working-directory: src/github.com/containerd/containerd

  #
  # Integration and CRI tests
  #
  integration-windows:
    name: Windows Integration
    runs-on: windows-2019
    timeout-minutes: 35
    needs: [project, linters, protos, man]
    env:
      GOTEST: gotestsum --

    defaults:
      run:
        shell: bash
        working-directory: src/github.com/containerd/containerd

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'

      - uses: actions/checkout@v2
        with:
          path: src/github.com/containerd/containerd

      - uses: actions/checkout@v2
        with:
          repository: Microsoft/hcsshim
          path: src/github.com/Microsoft/hcsshim

      - name: Set env
        run: |
          echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
          echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
          echo "${{ github.workspace }}/src/github.com/containerd/containerd/bin" >> $GITHUB_PATH

      - run: script/setup/install-dev-tools

      - name: Binaries
        env:
          CGO_ENABLED: 1
        run: |
          set -o xtrace
          mingw32-make.exe binaries
          bindir="$(pwd)"
          SHIM_COMMIT=$(grep 'Microsoft/hcsshim ' go.mod | awk '{print $2}')
          cd ../../Microsoft/hcsshim
          git fetch --tags origin "${SHIM_COMMIT}"
          git checkout "${SHIM_COMMIT}"
          GO111MODULE=on go build -mod=vendor -o "${bindir}/integration/client/containerd-shim-runhcs-v1.exe" ./cmd/containerd-shim-runhcs-v1

      - run: script/setup/install-gotestsum
      - name: Tests
        env:
          CGO_ENABLED: 1
          GOTESTSUM_JUNITFILE: ${{github.workspace}}/test-unit-root.xml
        run: mingw32-make.exe test root-test

      - name: Integration 1
        env:
          CGO_ENABLED: 1
          GOTESTSUM_JUNITFILE: ${{github.workspace}}/test-integration-serial-junit.xml
        run: mingw32-make.exe integration

      # Run the integration suite a second time. See discussion in github.com/containerd/containerd/pull/1759
      - name: Integration 2
        env:
          TESTFLAGS_PARALLEL: 1
          CGO_ENABLED: 1
          GOTESTSUM_JUNITFILE: ${{github.workspace}}/test-integration-parallel-junit.xml
        run: mingw32-make.exe integration
      - uses: actions/upload-artifact@v2
        if: always()
        with:
          name: TestResults Windows
          path: |
            ${{github.workspace}}/*-junit.xml

  integration-linux:
    name: Linux Integration
    runs-on: ubuntu-18.04
    timeout-minutes: 40
    needs: [project, linters, protos, man]

    strategy:
      fail-fast: false
      matrix:
        runtime: [io.containerd.runtime.v1.linux, io.containerd.runc.v1, io.containerd.runc.v2]
        runc: [runc, crun]
        exclude:
          - runtime: io.containerd.runc.v1
            runc: crun
          - runtime: io.containerd.runtime.v1.linux
            runc: crun

    env:
      GOTEST: gotestsum --
    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'

      - uses: actions/checkout@v2

      - name: Install containerd dependencies
        env:
          RUNC_FLAVOR: ${{ matrix.runc }}
          GOFLAGS: -modcacherw
        run: |
          sudo apt-get install -y gperf
          sudo -E PATH=$PATH script/setup/install-seccomp
          sudo -E PATH=$PATH script/setup/install-runc
          sudo -E PATH=$PATH script/setup/install-cni $(grep containernetworking/plugins go.mod | awk '{print $2}')
          sudo -E PATH=$PATH script/setup/install-critools

      - name: Install criu
        run: |
          sudo add-apt-repository ppa:criu/ppa
          sudo apt-get update
          sudo apt-get install -y criu

      - name: Install containerd
        env:
          CGO_ENABLED: 1
        run: |
          make binaries GO_BUILD_FLAGS="-mod=vendor"
          sudo -E PATH=$PATH make install

      - run: sudo -E PATH=$PATH script/setup/install-gotestsum
      - name: Tests
        env:
          GOPROXY: direct
          GOTESTSUM_JUNITFILE: ${{github.workspace}}/test-unit-root-junit.xml
        run: |
          make test
          sudo -E PATH=$PATH make root-test

      - name: Integration 1
        env:
          GOPROXY: direct
          TEST_RUNTIME: ${{ matrix.runtime }}
          RUNC_FLAVOR: ${{ matrix.runc }}
          GOTESTSUM_JUNITFILE: ${{github.workspace}}/test-integration-serial-junit.xml
        run: |
          extraflags=""
          [ "${RUNC_FLAVOR}" == "crun" ] && {
                  extraflags="EXTRA_TESTFLAGS=-no-criu";
          }
          sudo -E PATH=$PATH make integration ${extraflags} TESTFLAGS_RACE=-race

      # Run the integration suite a second time. See discussion in github.com/containerd/containerd/pull/1759
      - name: Integration 2
        env:
          GOPROXY: direct
          TEST_RUNTIME: ${{ matrix.runtime }}
          RUNC_FLAVOR: ${{ matrix.runc }}
          GOTESTSUM_JUNITFILE: ${{github.workspace}}/test-integration-parallel-junit.xml
        run: |
          extraflags=""
          [ "${RUNC_FLAVOR}" == "crun" ] && {
                  extraflags="EXTRA_TESTFLAGS=-no-criu";
          }
          sudo -E PATH=$PATH TESTFLAGS_PARALLEL=1 make integration ${extraflags}

      - name: CRI Integration Test
        env:
          TEST_RUNTIME: ${{ matrix.runtime }}
        run: |
          CONTAINERD_RUNTIME=$TEST_RUNTIME make cri-integration

      - name: cri-tools critest
        env:
          TEST_RUNTIME: ${{ matrix.runtime }}
        run: |
          BDIR="$(mktemp -d -p $PWD)"
          mkdir -p ${BDIR}/{root,state}
          cat > ${BDIR}/config.toml <<EOF
            version = 2
            [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
            runtime_type = "${TEST_RUNTIME}"
          EOF
          sudo ls /etc/cni/net.d
          sudo -E PATH=$PATH /usr/local/bin/containerd -a ${BDIR}/c.sock --config ${BDIR}/config.toml --root ${BDIR}/root --state ${BDIR}/state --log-level debug &> ${BDIR}/containerd-cri.log &
          sudo -E PATH=$PATH /usr/local/bin/ctr -a ${BDIR}/c.sock version
          sudo -E PATH=$PATH critest --report-dir "${{github.workspace}}/critestreport" --runtime-endpoint=unix:///${BDIR}/c.sock --parallel=8
          TEST_RC=$?
          test $TEST_RC -ne 0 && cat ${BDIR}/containerd-cri.log
          sudo pkill containerd
          sudo -E rm -rf ${BDIR}
          test $TEST_RC -eq 0 || /bin/false

      # Log the status of this VM to investigate issues like
      # https://github.com/containerd/containerd/issues/4969
      - name: Host Status
        if: always()
        run: |
          set -x
          mount
          df
          losetup -l
      - uses: actions/upload-artifact@v2
        if: always()
        with:
          name: TestResults ${{ matrix.runtime }} ${{matrix.runc}}
          path: |
            *-junit.xml
            ${{github.workspace}}/critestreport/*.xml

  tests-mac-os:
    name: MacOS unit tests
    runs-on: macos-10.15
    timeout-minutes: 10
    needs: [project, linters, protos, man]
    env:
      GOTEST: gotestsum --

    steps:
      - uses: actions/setup-go@v2
        with:
          go-version: '1.17.3'
      - uses: actions/checkout@v2
      - run: sudo -E PATH=$PATH script/setup/install-gotestsum
      - name: Tests
        env:
          GOPROXY: direct
          GOTESTSUM_JUNITFILE: "${{ github.workspace }}/macos-test-junit.xml"
        run: make test
      - uses: actions/upload-artifact@v2
        if: always()
        with:
          name: TestResults MacOS
          path: |
            *-junit.xml

  cgroup2:
    name: CGroupsV2 - SELinux enforced
    # nested virtualization is only available on macOS hosts
    runs-on: macos-10.15
    timeout-minutes: 45
    needs: [project, linters, protos, man]
    strategy:
      matrix:
        # Currently crun is disabled to decrease CI flakiness.
        # We can enable crun again when we get a better CI infra.
        runc: [runc]
    env:
      GOTEST: gotestsum --
    steps:
      - uses: actions/checkout@v2

      - name: "Cache ~/.vagrant.d/boxes"
        uses: actions/cache@v2
        with:
          path: ~/.vagrant.d/boxes
          key: vagrant-${{ hashFiles('Vagrantfile*') }}

      - name: Vagrant start
        run: |
          # Retry if it fails (download.fedoraproject.org returns 404 sometimes)
          vagrant up || vagrant up

      - name: Integration
        env:
          RUNC_FLAVOR: ${{ matrix.runc }}
          SELINUX: Enforcing
          GOTESTSUM_JUNITFILE: /tmp/test-integration-junit.xml
        run: vagrant up --provision-with=selinux,install-runc,install-gotestsum,test-integration

      - name: CRI test
        env:
          RUNC_FLAVOR: ${{ matrix.runc }}
          SELINUX: Enforcing
          REPORT_DIR: /tmp/critestreport
        run: vagrant up --provision-with=selinux,install-runc,install-gotestsum,test-cri

      - name: Collect the VM's IP address for Docker Hub's throttling issue
        if: failure()
        run: vagrant ssh -- curl https://api64.ipify.org/

      - name: Get test reports
        if: always()
        run: |
          set -e
          vagrant plugin install vagrant-vbguest
          vagrant plugin install vagrant-scp
          vagrant scp :/tmp/test-integration-junit.xml "${{ github.workspace }}/"
          vagrant scp :/tmp/critestreport "${{ github.workspace }}/critestreport"
      - uses: actions/upload-artifact@v2
        if: always()
        with:
          name:  TestResults cgroup2 ${{ matrix.runtime }} ${{matrix.runc}}
          path: |
            ${{github.workspace}}/*-junit.xml
            ${{github.workspace}}/critestreport/*

  cgroup2-misc:
    name: CGroupsV2 - rootless CRI test
    # nested virtualization is only available on macOS hosts
    runs-on: macos-10.15
    timeout-minutes: 45
    needs: [project, linters, protos, man]
    steps:
      - uses: actions/checkout@v2

      - name: "Cache ~/.vagrant.d/boxes"
        uses: actions/cache@v2
        with:
          path: ~/.vagrant.d/boxes
          key: vagrant-${{ hashFiles('Vagrantfile*') }}

      - name: Vagrant start
        run: |
          # Retry if it fails (download.fedoraproject.org returns 404 sometimes)
          vagrant up || vagrant up

      # slow, so separated from the regular cgroup2 task
      - name: CRI-in-UserNS test with Rootless Podman
        run: |
          vagrant up --provision-with=install-rootless-podman
          # Execute rootless podman to create the UserNS env
          vagrant ssh -- podman build --target cri-in-userns -t cri-in-userns -f /vagrant/contrib/Dockerfile.test /vagrant
          vagrant ssh -- podman run --rm --privileged cri-in-userns

      - name: Collect the VM's IP address for Docker Hub's throttling issue
        if: failure()
        run: vagrant ssh -- curl https://api64.ipify.org/