upgrade_downgrade_test_backups_manual.yml

name: Upgrade Downgrade Testing - Backups - Manual
on:
  push:
  pull_request:

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

permissions: read-all

jobs:
  get_previous_release:
    if: always()
    name: Get Previous Release - Backups - Manual
    runs-on: ubuntu-22.04
    outputs:
      previous_release: ${{ steps.output-previous-release-ref.outputs.previous_release_ref }}

    steps:
      - name: Check out to HEAD
        uses: actions/checkout@v3
        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 $previous_release_ref
          echo "previous_release_ref=${previous_release_ref}" >> $GITHUB_OUTPUT

  # This job usually execute in ± 20 minutes
  upgrade_downgrade_test_manual:
    timeout-minutes: 40
    if: always() && (needs.get_previous_release.result == 'success')
    name: Run Upgrade Downgrade Test - Backups - Manual
    runs-on: ubuntu-22.04
    needs:
      - get_previous_release

    steps:
    - name: Skip CI
      run: |
        if [[ "${{contains( github.event.pull_request.labels.*.name, 'Skip CI')}}" == "true" ]]; then
          echo "skipping CI due to the 'Skip CI' label"
          exit 1
        fi

    - 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 ${skip}
        echo "skip-workflow=${skip}" >> $GITHUB_OUTPUT

    # Checkout to this build's commit
    - name: Checkout to commit's code
      if: steps.skip-workflow.outputs.skip-workflow == 'false'
      uses: actions/checkout@v3

    - 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.sum'
            - 'go.mod'
            - 'proto/*.proto'
            - 'tools/**'
            - 'config/**'
            - 'bootstrap.sh'
            - '.github/workflows/upgrade_downgrade_test_backups_manual.yml'

    - name: Set up Go
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/setup-go@v4
      with:
        go-version: 1.20.5

    - name: Set up python
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/setup-python@v4

    - name: Tune the OS
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        sudo sysctl -w net.ipv4.ip_local_port_range="22768 65535"

    - 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 MySQL 8.0
        sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 467B942D3A79BD29
        wget -c https://dev.mysql.com/get/mysql-apt-config_0.8.24-1_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 grep
        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: Checkout to the 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@v3
      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: 5
      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: Checkout to commit's code
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      uses: actions/checkout@v3

    - 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: Run make minimaltools
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        make minimaltools

    - name: Building the binaries for this commit
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 5
      run: |
        source build.env
        make build
        mkdir -p /tmp/vitess-build-current/
        cp -R bin /tmp/vitess-build-current/

    # We create a sharded Vitess cluster following the local example.
    # We also insert a few rows in our three tables.
    - name: Create the example Vitess cluster with all components using version N
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env ; cd examples/backups
        ./start_cluster.sh

    # Taking a backup
    - name: Take a backup of all the shards
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 5
      run: |
        source build.env ; cd examples/backups
        ./take_backups.sh

    # We insert more data in every table after the backup.
    # When we restore the backup made in the previous step, we do not want to see the rows we are about to insert now.
    # The initial number of rows for each table is:
    #     - customer: 5
    #     - product:  2
    #     - corder:   5
    # We shall see the same number of rows after restoring the backup.
    - name: Insert more data after the backup
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env ; cd examples; source ./common/env.sh

        echo "insert into customer(email) values('new_user_1@domain.com');" | mysql
        echo "insert into product(sku, description, price) values('SKU-1009', 'description', 89);" | mysql
        echo "insert into corder(customer_id, sku, price) values(1, 'SKU-1009', 100);" | mysql

    # Stop all the tablets and remove their data
    - name: Stop tablets
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env ; cd examples/backups
        ./stop_tablets.sh

    # We downgrade: we use the version N-1 of vttablet
    - name: Downgrade - Swap binaries, use VTTablet N-1
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env

        rm -f $PWD/bin/vttablet $PWD/bin/mysqlctl $PWD/bin/mysqlctld
        cp /tmp/vitess-build-other/bin/vttablet $PWD/bin/vttablet
        cp /tmp/vitess-build-other/bin/mysqlctl $PWD/bin/mysqlctl
        cp /tmp/vitess-build-other/bin/mysqlctld $PWD/bin/mysqlctld
        vttablet --version

    # Starting the tablets again, they will automatically start restoring the last backup.
    - name: Start new tablets and restore
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env ; cd examples/backups
        ./restart_tablets.sh
        # give enough time to the tablets to restore the backup
        sleep 90

    # Count the number of rows in each table to make sure the restoration is successful.
    - name: Assert the number of rows in every table
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env ; cd examples ; source ./common/env.sh

        echo "select count(sku) from product;" | mysql 2>&1| grep 2
        echo "select count(email) from customer;" | mysql 2>&1| grep 5
        echo "select count(sku) from corder;" | mysql 2>&1| grep 5

    # We insert one more row in every table.
    - name: Insert more rows in the tables
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env ; cd examples ; source ./common/env.sh

        echo "insert into customer(email) values('new_user_2@domain.com');" | mysql
        echo "insert into product(sku, description, price) values('SKU-1011', 'description', 111);" | mysql
        echo "insert into corder(customer_id, sku, price) values(1, 'SKU-1011', 111);" | mysql

    # Taking a second backup of the cluster.
    - name: Take a second backup of all the shards
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env ; cd examples/backups
        ./take_backups.sh

    # Stopping the tablets so we can perform the upgrade.
    - name: Stop tablets
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env ; cd examples/backups
        ./stop_tablets.sh

    # We upgrade: we swap binaries and use the version N of the tablet.
    - name: Upgrade - Swap binaries, use VTTablet N
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env

        rm -f $PWD/bin/vttablet $PWD/bin/mysqlctl $PWD/bin/mysqlctld
        cp /tmp/vitess-build-current/bin/vttablet $PWD/bin/vttablet
        cp /tmp/vitess-build-current/bin/mysqlctl $PWD/bin/mysqlctl
        cp /tmp/vitess-build-current/bin/mysqlctld $PWD/bin/mysqlctld
        vttablet --version

    # Starting the tablets again and restoring the previous backup.
    - name: Start new tablets and restore
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      timeout-minutes: 10
      run: |
        source build.env ; cd examples/backups
        ./restart_tablets.sh
        # give enough time to the tablets to restore the backup
        sleep 90

    # We count the number of rows in every table to check that the restore step was successful.
    - name: Assert the number of rows in every table
      if: steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env ; cd examples ; source ./common/env.sh

        echo "select count(sku) from product;" | mysql 2>&1| grep 3
        echo "select count(email) from customer;" | mysql 2>&1| grep 6
        echo "select count(sku) from corder;" | mysql 2>&1| grep 6

    - name: Stop the Vitess cluster
      if: always() && steps.skip-workflow.outputs.skip-workflow == 'false' && steps.changes.outputs.end_to_end == 'true'
      run: |
        source build.env ; cd examples/local
        ./401_teardown.sh || true