vitess-gh/.github/workflows/upgrade_downgrade_test_query_serving_queries.yml

name: Upgrade Downgrade Testing Query Serving (Queries)
on:
  push:
  pull_request:

concurrency:
  group: format('{0}-{1}', ${{ github.ref }}, 'Upgrade Downgrade Testing Query Serving (Queries)')
  cancel-in-progress: true

# This test ensures that our end-to-end tests work using Vitess components
# (vtgate, vttablet, etc) built on different versions.

jobs:
  get_previous_release:
    if: always()
    name: Get latest release
    runs-on: ubuntu-latest
    outputs:
      previous_release: ${{ steps.output-previous-release-ref.outputs.previous_release_ref }}

    steps:
      - name: Check out to HEAD
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set output with latest release branch
        id: output-previous-release-ref
        run: |
          previous_release_ref=$(./tools/get_previous_release.sh ${{github.base_ref}} ${{github.ref}})
          echo $previous_release_ref
          echo "::set-output name=previous_release_ref::${previous_release_ref}"          

  upgrade_downgrade_test:
    if: always() && (needs.get_previous_release.result == 'success')
    name: Run Upgrade Downgrade Test
    runs-on: ubuntu-latest
    needs:
      - get_previous_release

    steps:
    - name: Check if workflow needs to be skipped
      id: skip-workflow
      run: |
        skip='false'
        if [[ "${{github.event.pull_request}}" ==  "" ]] && [[ "${{github.ref}}" != "refs/heads/main" ]] && [[ ! "${{github.ref}}" =~ ^refs/heads/release-[0-9]+\.[0-9]$ ]] && [[ ! "${{github.ref}}" =~ "refs/tags/.*" ]]; then
          skip='true'
        fi
        echo Skip ${skip}
        echo "::set-output name=skip-workflow::${skip}"        

    - name: Check out commit's code
      if: steps.skip-workflow.outputs.skip-workflow == 'false'
      uses: actions/checkout@v2

    - name: Check for changes in relevant files
      if: steps.skip-workflow.outputs.skip-workflow == 'false'
      uses: frouioui/paths-filter@main
      id: changes
      with:
        token: ''
        filters: |
          end_to_end:
            - 'go/**'
            - 'go/**/*.go'
            - 'test.go'
            - 'Makefile'
            - 'build.env'
            - 'go.[sumod]'
            - 'proto/*.proto'
            - 'tools/**'
            - 'config/**'
            - 'bootstrap.sh'
            - '.github/workflows/upgrade_downgrade_test_query_serving_queries.yml'          

    - name: Set up Go
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/setup-go@v2
      with:
        go-version: 1.18.7

    - name: Set up python
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/setup-python@v2

    - name: Tune the OS
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        echo '1024 65535' | sudo tee -a /proc/sys/net/ipv4/ip_local_port_range        

    - name: Get base dependencies
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        sudo DEBIAN_FRONTEND="noninteractive" apt-get update
        # Uninstall any previously installed MySQL first
        sudo systemctl stop apparmor
        sudo DEBIAN_FRONTEND="noninteractive" apt-get remove -y --purge mysql-server mysql-client mysql-common
        sudo apt-get -y autoremove
        sudo apt-get -y autoclean
        sudo deluser mysql
        sudo rm -rf /var/lib/mysql
        sudo rm -rf /etc/mysql
        # Install mysql80
        sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
        wget -c https://dev.mysql.com/get/mysql-apt-config_0.8.20-1_all.deb
        echo mysql-apt-config mysql-apt-config/select-server select mysql-8.0 | sudo debconf-set-selections
        sudo DEBIAN_FRONTEND="noninteractive" dpkg -i mysql-apt-config*
        sudo apt-get update
        sudo DEBIAN_FRONTEND="noninteractive" apt-get install -y mysql-server mysql-client
        # Install everything else we need, and configure
        sudo apt-get install -y make unzip g++ etcd curl git wget eatmydata
        sudo service mysql stop
        sudo service etcd stop
        sudo bash -c "echo '/usr/sbin/mysqld { }' > /etc/apparmor.d/usr.sbin.mysqld" # https://bugs.launchpad.net/ubuntu/+source/mariadb-10.1/+bug/1806263
        sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
        sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.mysqld || echo "could not remove mysqld profile"

        # install JUnit report formatter
        go install github.com/vitessio/go-junit-report@HEAD

        wget https://repo.percona.com/apt/percona-release_latest.$(lsb_release -sc)_all.deb
        sudo apt-get install -y gnupg2
        sudo dpkg -i percona-release_latest.$(lsb_release -sc)_all.deb
        sudo apt-get update
        sudo apt-get install percona-xtrabackup-24        

    # Checkout to the last release of Vitess
    - name: Check out other version's code (${{ needs.get_previous_release.outputs.previous_release }})
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/checkout@v2
      with:
        ref: ${{ needs.get_previous_release.outputs.previous_release }}

    - name: Get dependencies for the last release
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        go mod download        

    - name: Building last release's binaries
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env
        make build
        mkdir -p /tmp/vitess-build-other/
        cp -R bin /tmp/vitess-build-other/
        rm -Rf bin/*        

    # Checkout to this build's commit
    - name: Check out commit's code
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/checkout@v2

    - name: Get dependencies for this commit
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        go mod download        

    - name: Building the binaries for this commit
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env
        make build
        mkdir -p /tmp/vitess-build-current/
        cp -R bin /tmp/vitess-build-current/        

    # Running a test with vtgate and vttablet using version n
    - name: Run query serving tests (vtgate=N, vttablet=N)
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        rm -rf /tmp/vtdataroot
        mkdir -p /tmp/vtdataroot

        source build.env
        eatmydata -- go run test.go -skip-build -keep-data -docker=false -print-log -follow -tag upgrade_downgrade_query_serving_queries        

    # Swap the binaries in the bin. Use vtgate version n-1 and keep vttablet at version n
    - name: Use last release's VTGate
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env

        rm -f $PWD/bin/vtgate
        cp /tmp/vitess-build-other/bin/vtgate $PWD/bin/vtgate
        vtgate --version        

    # Running a test with vtgate at version n-1 and vttablet at version n
    - name: Run query serving tests (vtgate=N-1, vttablet=N)
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        rm -rf /tmp/vtdataroot
        mkdir -p /tmp/vtdataroot

        source build.env
        eatmydata -- go run test.go -skip-build -keep-data -docker=false -print-log -follow -tag upgrade_downgrade_query_serving_queries        

    # Swap the binaries again. This time, vtgate will be at version n, and vttablet will be at version n-1
    - name: Use current version VTGate, and other version VTTablet
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env

        rm -f $PWD/bin/vtgate $PWD/bin/vttablet
        cp /tmp/vitess-build-current/bin/vtgate $PWD/bin/vtgate
        cp /tmp/vitess-build-other/bin/vttablet $PWD/bin/vttablet
        vtgate --version
        vttablet --version        

    # Running a test with vtgate at version n and vttablet at version n-1
    - name: Run query serving tests (vtgate=N, vttablet=N-1)
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        rm -rf /tmp/vtdataroot
        mkdir -p /tmp/vtdataroot

        source build.env
        eatmydata -- go run test.go -skip-build -keep-data -docker=false -print-log -follow -tag upgrade_downgrade_query_serving_queries