tests.yml

name: Tests
on:
  push:
    branches:
      - main
      - stable-*
  pull_request:

permissions:
  contents: read

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

jobs:
  code-tests:
    env:
      CGO_CFLAGS: "-I/home/runner/work/lxd/lxd-test/vendor/raft/include/ -I/home/runner/work/lxd/lxd-test/vendor/dqlite/include/"
      CGO_LDFLAGS: "-L/home/runner/work/lxd/lxd-test/vendor/raft/.libs/ -L/home/runner/work/lxd/lxd-test/vendor/dqlite/.libs/"
      LD_LIBRARY_PATH: "/home/runner/work/lxd/lxd-test/vendor/raft/.libs/:/home/runner/work/lxd/lxd-test/vendor/dqlite/.libs/"
      CGO_LDFLAGS_ALLOW: "(-Wl,-wrap,pthread_create)|(-Wl,-z,now)"
    name: Code
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Dependency Review
        uses: actions/dependency-review-action@v4
        if: github.event_name == 'pull_request'

      # XXX: `make static-analysis` also run shellcheck but this one provides
      #      useful feedback in the PR through github-code-scanning bot
      - id: ShellCheck
        name: Differential ShellCheck
        uses: redhat-plumbers-in-action/differential-shellcheck@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
        if: github.event_name == 'pull_request'

      - name: Upload artifact with ShellCheck defects in SARIF format
        uses: actions/upload-artifact@v4
        with:
          name: Differential ShellCheck SARIF
          path: ${{ steps.ShellCheck.outputs.sarif }}
        if: github.event_name == 'pull_request'

      - name: Install Go (1.21)
        uses: actions/setup-go@v5
        with:
          go-version: 1.21.x

      - name: Install dependencies
        run: |
          sudo add-apt-repository ppa:ubuntu-lxc/daily -y --no-update
          sudo apt-get update

          sudo apt-get install --no-install-recommends -y \
            build-essential \
            curl \
            gettext \
            git \
            libacl1-dev \
            libcap-dev \
            libdbus-1-dev \
            liblxc-dev \
            lxc-templates \
            libseccomp-dev \
            libselinux-dev \
            libsqlite3-dev \
            libtool \
            libudev-dev \
            libuv1-dev \
            make \
            pkg-config \
            shellcheck

          python3 -m pip install flake8

      - name: Download go dependencies
        run: |
          go mod download

      - name: Make LXD tarball and unpack it
        env:
          CUSTOM_VERSION: "test"
        run: |
          make dist
          tar -xzf lxd-test.tar.gz -C ~/work/lxd/
          rm lxd-test.tar.gz

      - name: Build LXD dependencies
        run: |
          cd ~/work/lxd/lxd-test
          make deps

      - name: Run LXD build
        run: |
          make

      - name: Run static analysis
        env:
          GITHUB_BEFORE: ${{ github.event.before }}
        run: |
          make static-analysis

      - name: Unit tests (all)
        run: |
          sudo --preserve-env=CGO_CFLAGS,CGO_LDFLAGS,CGO_LDFLAGS_ALLOW,LD_LIBRARY_PATH LD_LIBRARY_PATH=${LD_LIBRARY_PATH} env "PATH=${PATH}" go test ./...

  system-tests:
    env:
      CGO_LDFLAGS_ALLOW: "(-Wl,-wrap,pthread_create)|(-Wl,-z,now)"
      LXD_SHIFTFS_DISABLE: "true"
      LXD_CEPH_CLUSTER: "ceph"
      LXD_CEPH_CEPHFS: "cephfs"
      LXD_CONCURRENT: "1"
      LXD_VERBOSE: "1"
      LXD_OFFLINE: "1"
      LXD_TMPFS: "1"
    name: System
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        go: ["1.21.x"]
        suite: ["cluster", "standalone"]
        backend: ["dir", "btrfs", "lvm", "zfs", "ceph", "random"]
        include:
          - go: "1.19.x"
            suite: cluster
            backend: dir
          - go: "1.19.x"
            suite: standalone
            backend: dir
          - go: tip
            suite: cluster
            backend: dir
          - go: tip
            suite: standalone
            backend: dir

    steps:
      - name: Performance tuning
        run: |
          set -eux
          # optimize ext4 FSes for performance, not reliability
          for fs in $(findmnt --noheading --type ext4 --list --uniq | awk '{print $1}'); do
            # nombcache and data=writeback cannot be changed on remount
            sudo mount -o remount,noatime,barrier=0,commit=6000 "${fs}"
          done

          # disable dpkg from calling sync()
          echo "force-unsafe-io" | sudo tee /etc/dpkg/dpkg.cfg.d/force-unsafe-io

      - name: Reclaim some space
        run: |
          set -eux

          sudo snap remove lxd --purge
          # Purge older snap revisions that are disabled/superseded by newer revisions of the same snap
          snap list --all | while read -r name _ rev _ _ notes _; do
            [ "${notes}" = "disabled" ] && snap remove "${name}" --revision "${rev}" --purge
          done || true

          # This was inspired from https://github.com/easimon/maximize-build-space
          df -h /
          # dotnet
          sudo rm -rf /usr/share/dotnet
          # android
          sudo rm -rf /usr/local/lib/android
          # haskell
          sudo rm -rf /opt/ghc
          df -h /

      - name: Remove docker
        run: |
          set -eux
          sudo apt-get autopurge -y moby-containerd docker uidmap
          sudo ip link delete docker0
          sudo nft flush ruleset

      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Go (${{ matrix.go }})
        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.go }}
        if: matrix.go != 'tip'

      - name: Install Go (${{ matrix.go }})
        run: |
          set -eux
          HEAD="$(git ls-remote https://github.com/golang/go.git HEAD | awk '{print $1}')"
          # Tarballs can take time to become available
          curl --retry 3 --retry-all-errors --retry-delay 30 -sSfL "https://storage.googleapis.com/go-build-snap/go/linux-amd64/${HEAD}.tar.gz" -o gotip.tar.gz
          ls -lah gotip.tar.gz
          mkdir -p ~/sdk/gotip
          tar -C ~/sdk/gotip -xzf gotip.tar.gz
          rm gotip.tar.gz
          ~/sdk/gotip/bin/go version
          echo "PATH=$HOME/go/bin:$HOME/sdk/gotip/bin/:$PATH" >> $GITHUB_ENV
        if: matrix.go == 'tip'

      - name: Check compatibility with min Go version (${{ matrix.go }})
        if: matrix.go == '1.19.x'
        run: |
          set -eux
          GOSHORTVER="$(go env GOVERSION | sed -n 's/^go\([0-9]\+\.[0-9]\+\).*/\1/p')"
          go mod tidy -go="${GOSHORTVER}"

      - name: Install dependencies
        run: |
          set -x
          sudo add-apt-repository ppa:ubuntu-lxc/daily -y --no-update
          sudo add-apt-repository ppa:dqlite/dev -y --no-update
          sudo apt-get update

          sudo systemctl mask lxc.service lxc-net.service

          sudo apt-get install --no-install-recommends -y \
            curl \
            git \
            libacl1-dev \
            libcap-dev \
            libdbus-1-dev \
            libdqlite-dev \
            liblxc-dev \
            libseccomp-dev \
            libselinux-dev \
            libsqlite3-dev \
            libtool \
            libudev-dev \
            make \
            pkg-config\
            acl \
            attr \
            bind9-dnsutils \
            btrfs-progs \
            busybox-static \
            dnsmasq-base \
            easy-rsa \
            gettext \
            jq \
            lxc-utils \
            lvm2 \
            nftables \
            quota \
            rsync \
            s3cmd \
            socat \
            sqlite3 \
            squashfs-tools \
            tar \
            tcl \
            thin-provisioning-tools \
            uuid-runtime \
            xfsprogs \
            xz-utils \
            zfsutils-linux

          # reclaim some space
          sudo apt-get clean

          mkdir -p "$(go env GOPATH)/bin"

      - name: Download go dependencies
        run: |
          go mod download

      - name: Run LXD build
        run: |
          make

      - name: Setup MicroCeph
        if: ${{ matrix.backend == 'ceph' }}
        run: |
          set -x

          # If the rootfs and the ephemeral part are on the same physical disk, giving the whole
          # disk to microceph would wipe our rootfs. Since it is pretty rare for GitHub Action
          # runners to have a single disk, we immediately bail rather than trying to gracefully
          # handle it. Once snapd releases with https://github.com/snapcore/snapd/pull/13150,
          # we will be able to stop worrying about that special case.
          if [ "$(stat -c '%d' /)" = "$(stat -c '%d' /mnt)" ]; then
            echo "FAIL: rootfs and ephemeral part on the same disk, aborting"
            exit 1
          fi

          sudo snap install microceph --channel=quincy/edge
          sudo apt-get install --no-install-recommends -y ceph-common
          sudo microceph cluster bootstrap
          sudo microceph.ceph config set global osd_pool_default_size 1
          sudo microceph.ceph config set global mon_allow_pool_delete true
          sudo microceph.ceph config set global osd_memory_target 939524096
          sudo microceph.ceph osd crush rule rm replicated_rule
          sudo microceph.ceph osd crush rule create-replicated replicated default osd
          for flag in nosnaptrim noscrub nobackfill norebalance norecover noscrub nodeep-scrub; do
              sudo microceph.ceph osd set $flag
          done
          # Repurpose the ephemeral disk for ceph OSD.
          sudo swapoff /mnt/swapfile
          ephemeral_disk="$(findmnt --noheadings --output SOURCE --target /mnt | sed 's/[0-9]\+$//')"
          sudo umount /mnt
          sudo microceph disk add --wipe "${ephemeral_disk}"
          sudo rm -rf /etc/ceph
          sudo ln -s /var/snap/microceph/current/conf/ /etc/ceph
          sudo microceph enable rgw
          sudo microceph.ceph osd pool create cephfs_meta 32
          sudo microceph.ceph osd pool create cephfs_data 32
          sudo microceph.ceph fs new cephfs cephfs_meta cephfs_data
          sudo microceph.ceph fs ls
          sleep 30
          sudo microceph.ceph status
          # Wait until there are no more "unkowns" pgs
          for _ in $(seq 60); do
            if sudo microceph.ceph pg stat | grep -wF unknown; then
              sleep 1
            else
              break
            fi
          done
          sudo microceph.ceph status
          sudo rm -f /snap/bin/rbd

      - name: "Run system tests (${{ matrix.go }}, ${{ matrix.suite }}, ${{ matrix.backend }})"
        run: |
          chmod +x ~
          echo "root:1000000:1000000000" | sudo tee /etc/subuid /etc/subgid
          cd test
          sudo --preserve-env=PATH,GOPATH,GITHUB_ACTIONS,LXD_VERBOSE,LXD_BACKEND,LXD_CEPH_CLUSTER,LXD_CEPH_CEPHFS,LXD_CEPH_CEPHOBJECT_RADOSGW,LXD_OFFLINE,LXD_SKIP_TESTS,LXD_REQUIRED_TESTS,LXD_SHIFTFS_DISABLE LXD_BACKEND=${{ matrix.backend }} ./main.sh ${{ matrix.suite }}

  client:
    name: Client
    strategy:
      fail-fast: false
      matrix:
        go:
          - 1.21.x
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest
    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Go (${{ matrix.go }})
        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.go }}

      - name: Create build directory
        run: |
            mkdir bin

      - name: Build static lxc (x86_64)
        env:
          CGO_ENABLED: 0
          GOARCH: amd64
        run: |
          go build -o bin/lxc.x86_64 ./lxc

      - name: Build static lxc (aarch64)
        env:
          CGO_ENABLED: 0
          GOARCH: arm64
        run: |
          go build -o bin/lxc.aarch64 ./lxc

      - name: Build static lxd-migrate
        if: runner.os == 'Linux'
        env:
          CGO_ENABLED: 0
        run: |
          GOARCH=amd64 go build -o bin/lxd-migrate.x86_64 ./lxd-migrate
          GOARCH=arm64 go build -o bin/lxd-migrate.aarch64 ./lxd-migrate

      - name: Unit tests (client)
        env:
          CGO_ENABLED: 0
        run: go test -v ./client/...

      - name: Unit tests (lxc)
        env:
          CGO_ENABLED: 0
        run: go test -v ./lxc/...

      - name: Unit tests (shared)
        env:
          CGO_ENABLED: 0
        run: go test -v ./shared/...

      - name: Upload lxc client artifacts
        uses: actions/upload-artifact@v4
        continue-on-error: true
        with:
          name: ${{ runner.os }}
          path: bin/

  documentation:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Go (1.21)
        uses: actions/setup-go@v5
        with:
          go-version: 1.21.x

      - name: Install dependencies
        run: |
          sudo apt-get install aspell aspell-en
          sudo snap install mdl

      - name: Run markdown linter
        run: |
          make doc-lint

      - name: Run spell checker
        run: |
          make doc-spellcheck

      - name: Run inclusive naming checker
        uses: get-woke/woke-action@v0
        with:
          fail-on-error: true
          woke-args: "*.md **/*.md -c https://github.com/canonical/Inclusive-naming/raw/main/config.yml"

      - name: Run link checker
        run: |
          make doc-linkcheck

      - name: Build docs (Sphinx)
        run: make doc

      - name: Print warnings (Sphinx)
        run: if [ -s doc/.sphinx/warnings.txt ]; then cat doc/.sphinx/warnings.txt; exit 1; fi

      - name: Upload documentation artifacts
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: documentation
          path: doc/html

  snap:
    name: Trigger snap edge build
    runs-on: ubuntu-22.04
    needs: [code-tests, system-tests, client, documentation]
    if: ${{ github.repository == 'canonical/lxd' && github.event_name == 'push' && github.actor != 'dependabot[bot]' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Launchpad SSH access
        env:
          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
          LAUNCHPAD_LXD_BOT_KEY: ${{ secrets.LAUNCHPAD_LXD_BOT_KEY }}
        run: |
          set -eux
          mkdir -m 0700 -p ~/.ssh/
          ssh-agent -a "${SSH_AUTH_SOCK}" > /dev/null
          ssh-add - <<< "${{ secrets.LAUNCHPAD_LXD_BOT_KEY }}"
          ssh-add -L > ~/.ssh/id_ed25519.pub
          # In ephemeral environments like GitHub Action runners, relying on TOFU isn't providing any security
          # so require the key obtained by `ssh-keyscan` to match the expected hash from https://help.launchpad.net/SSHFingerprints
          ssh-keyscan git.launchpad.net >> ~/.ssh/known_hosts
          ssh-keygen -qlF git.launchpad.net | grep -xF 'git.launchpad.net RSA SHA256:UNOzlP66WpDuEo34Wgs8mewypV0UzqHLsIFoqwe8dYo'

      - name: Install Go (${{ matrix.go }})
        uses: actions/setup-go@v5
        with:
          go-version: 1.21.x

      - name: Trigger Launchpad snap build
        env:
          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
          TARGET: >-
            ${{ fromJson('{
              "main": "latest-edge",
              "stable-5.0": "5.0-edge",
            }')[github.ref_name] }}
        run: |
          set -eux
          git config --global transfer.fsckobjects true
          git config --global user.name "Canonical LXD Bot"
          git config --global user.email "lxd@lists.canonical.com"
          git config --global commit.gpgsign true
          git config --global gpg.format "ssh"
          git config --global user.signingkey ~/.ssh/id_ed25519.pub
          localRev="$(git rev-parse HEAD)"
          go install github.com/canonical/lxd-ci/lxd-snapcraft@latest
          git clone -b "${TARGET}" git+ssh://lxdbot@git.launchpad.net/~canonical-lxd/lxd ~/lxd-pkg-snap-lp
          cd ~/lxd-pkg-snap-lp
          lxd-snapcraft -set-version "git-${localRev:0:7}" -set-source-commit "${localRev}"
          git add --all
          git commit --all --quiet -s --allow-empty -m "Automatic upstream build (${TARGET})" -m "Upstream commit: ${localRev}"
          git show
          git push --quiet