build-snap.yml

name: Build and test MicroK8s snap

on:
  - pull_request

jobs:
  build:
    name: Create snap package
    runs-on: ubuntu-20.04

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Install lxd
        run: |
          sudo lxd init --auto
          sudo usermod --append --groups lxd $USER
          sg lxd -c 'lxc version'
      - name: Install snapcraft
        run: |
          sudo snap install snapcraft --classic
      - name: Install snapd from candidate
        run: |
          # TODO(neoaggelos): revert this after latest/beta is working again
          sudo snap refresh snapd --channel=latest/stable
      - name: Build snap
        run: |
          sg lxd -c 'snapcraft --use-lxd'
          sudo mv microk8s*.snap microk8s.snap
      - name: Uploading snap
        uses: actions/upload-artifact@v3
        with:
          name: microk8s.snap
          path: microk8s.snap

  test-upgrade:
    name: Upgrade path test
    runs-on: ubuntu-20.04
    needs: build

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Install test dependencies
        run: |
          set -x
          sudo apt-get install python3-setuptools
          sudo pip3 install --upgrade pip
          sudo pip3 install -U pytest sh
          sudo apt-get -y install open-iscsi
          sudo systemctl enable iscsid
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      - name: Running upgrade path test
        run: |
          sudo -E UPGRADE_MICROK8S_FROM=1.31/edge UPGRADE_MICROK8S_TO=$PWD/build/microk8s.snap pytest -s ./tests/test-upgrade-path.py

  test-addons-core:
    name: Test core addons
    runs-on: ubuntu-20.04
    needs: build

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Install test dependencies
        run: |
          set -x
          sudo apt-get install python3-setuptools
          sudo pip3 install --upgrade pip
          sudo pip3 install -U pytest sh
          sudo apt-get -y install open-iscsi
          sudo systemctl enable iscsid
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      - name: Running addons tests
        run: |
          set -x
          sudo snap install build/microk8s.snap --classic --dangerous
          ./tests/smoke-test.sh
          export UNDER_TIME_PRESSURE="True"
          export SKIP_PROMETHEUS="False"
          sudo -E bash -c "cd /var/snap/microk8s/common/addons/core/tests; pytest -s -ra test-addons.py"

  test-addons-community:
    name: Test community addons
    runs-on: ubuntu-20.04
    needs: build

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Install test dependencies
        run: |
          set -x
          sudo apt-get install python3-setuptools
          sudo pip3 install --upgrade pip
          sudo pip3 install -U pytest sh
          sudo apt-get -y install open-iscsi
          sudo systemctl enable iscsid
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      # - name: Setup tmate session
      #   uses: mxschmitt/action-tmate@v3
      - name: Running addons tests
        run: |
          set -x
          sudo snap install build/microk8s.snap --classic --dangerous
          sudo microk8s enable community
          export UNDER_TIME_PRESSURE="True"
          sudo -E bash -c "cd /var/snap/microk8s/common/addons/community/; pytest -s -ra ./tests/"

  test-addons-core-upgrade:
    name: Test core addons upgrade
    runs-on: ubuntu-20.04
    needs: build

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      # - name: Setup tmate session
      #   uses: mxschmitt/action-tmate@v3
      - name: Install test dependencies
        run: |
          set -x
          sudo apt-get install python3-setuptools
          sudo pip3 install --upgrade pip
          sudo pip3 install -U pytest sh
          sudo apt-get -y install open-iscsi
          sudo systemctl enable iscsid
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      - name: Running upgrade tests
        run: |
          set -x
          export UNDER_TIME_PRESSURE="True"
          sudo -E bash -c "UPGRADE_MICROK8S_FROM=1.31/edge UPGRADE_MICROK8S_TO=$PWD/build/microk8s.snap pytest -s ./tests/test-upgrade.py"

  test-cluster-agent:
    name: Cluster agent health check
    runs-on: ubuntu-20.04
    needs: build

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Install test dependencies
        run: |
          set -x
          sudo apt-get install python3-setuptools
          sudo pip3 install --upgrade pip
          sudo pip3 install -U pytest sh requests
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      - name: Running cluster agent health check
        run: |
          set -x
          sudo snap install build/microk8s.snap --classic --dangerous
          sudo -E bash -c "pytest -s ./tests/test-cluster-agent.py"

  test-airgap:
    name: Test airgap installation
    runs-on: ubuntu-20.04
    needs: build

    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      - name: Initialize LXD
        run: |
          sudo lxd init --auto
          sudo lxc network set lxdbr0 ipv6.address=none
          sudo usermod --append --groups lxd $USER
          sg lxd -c 'lxc version'
      - name: Run airgap tests
        run: |
          sudo -E bash -x -c "./tests/libs/airgap.sh --distro ubuntu:20.04 --channel $PWD/build/microk8s.snap"

  security-scan:
    name: Security scan
    runs-on: ubuntu-20.04
    needs: build
    steps:
      - name: Checking out repo
        uses: actions/checkout@v4
      - name: Fetch snap
        uses: actions/download-artifact@v3.0.2
        with:
          name: microk8s.snap
          path: build
      - name: Setup Trivy vulnerability scanner
        run: |
          mkdir -p sarifs
          VER=$(curl --silent -qI https://github.com/aquasecurity/trivy/releases/latest | awk -F '/' '/^location/ {print  substr($NF, 1, length($NF)-1)}');
          wget https://github.com/aquasecurity/trivy/releases/download/${VER}/trivy_${VER#v}_Linux-64bit.tar.gz
          tar -zxvf ./trivy_${VER#v}_Linux-64bit.tar.gz
      - name: Run Trivy vulnerability scanner in repo mode
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: "fs"
          ignore-unfixed: true
          format: "sarif"
          output: "trivy-microk8s-repo-scan--results.sarif"
          severity: "CRITICAL"
      - name: Gather Trivy repo scan results
        run: |
          cp trivy-microk8s-repo-scan--results.sarif ./sarifs/
      - name: Run Trivy vulnerability scanner on images
        run: |
          for i in $(cat ./build-scripts/images.txt) ; do
            name=$(echo  $i | awk -F ':|/' '{print $(NF-1)}')
            ./trivy image $i --format sarif > sarifs/$name.sarif
          done
      - name: Run Trivy vulnerability scanner on the snap
        run: |
          cp build/microk8s.snap .
          unsquashfs microk8s.snap
          ./trivy rootfs ./squashfs-root/ --format sarif > sarifs/snap.sarif
      - name: Upload Trivy scan results to GitHub Security tab
        uses: github/codeql-action/upload-sarif@v2
        with:
          sarif_file: "sarifs"