name: Database Migration Test
on:
  workflow_call:
jobs:
  test:
    name: MySQL -> Postgres Migration
    runs-on: ubuntu-22.04
    env:
      COMPOSE_PROJECT_NAME: ghactions
      BUILD_IMAGE: mattermost/mattermost-build-server:1.21.8
      TEST_IMAGE: migration-test-image
    defaults:
      run:
        working-directory: server
    steps:
      - name: Checkout mattermost project
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - name: Run docker compose
        run: |
          cd build
          docker compose --ansi never run --rm start_dependencies
          docker compose --ansi never exec -T minio sh -c 'mkdir -p /data/mattermost-test';
          docker compose --ansi never ps
      - name: Fix MySQL user permissions
        run: |
          cd build
          docker exec ${COMPOSE_PROJECT_NAME}-mysql-1 sh -c "sed -i '/# default-authentication-plugin/c\default-authentication-plugin=mysql_native_password' /etc/my.cnf"
          docker exec ${COMPOSE_PROJECT_NAME}-mysql-1 sh -c "mysql -u root -pmostest -e \"ALTER USER 'mmuser'@'%' IDENTIFIED WITH mysql_native_password BY 'mostest';\""
          docker exec ${COMPOSE_PROJECT_NAME}-mysql-1 sh -c "mysql -u root -pmostest -e \"ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'mostest';\""
          docker restart ${COMPOSE_PROJECT_NAME}-mysql-1 && sleep 10
      - name: Build test image
        run: |
          echo -e "FROM $BUILD_IMAGE\n\nRUN apt update && \
            apt remove -y pgloader && \
            apt install -y sbcl unzip libsqlite3-dev make curl gawk freetds-dev libzip-dev && \
            git clone https://github.com/dimitri/pgloader.git && \
            cd pgloader && \
            make && \
            mv build/bin/pgloader /bin" >> dockerfile_tmp
          docker build -t $TEST_IMAGE - < dockerfile_tmp
      - name: Generate test-data
        run: |
          docker run --net ${COMPOSE_PROJECT_NAME}_mm-test \
            --ulimit nofile=8096:8096 \
            --env-file=build/dotenv/migration.env \
            -v $(go env GOCACHE):/go/cache \
            -e GOCACHE=/go/cache \
            -v $PWD:/mattermost \
            -w /mattermost \
            $TEST_IMAGE \
            make test-data
      - name: Migrate the DB and compare
        run: |
          docker run --net ${COMPOSE_PROJECT_NAME}_mm-test \
          --ulimit nofile=8096:8096 \
          --env-file=build/dotenv/migration.env \
          -v $(go env GOCACHE):/go/cache \
          -e GOCACHE=/go/cache \
          -v $PWD:/mattermost \
          -w /mattermost \
          $TEST_IMAGE \
          make test-migration
      - name: Upload artifacts
        uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0
        with:
          name: Migration logs
          path: server/migration.log
          retention-days: 7
      - name: Stop docker compose
        run: |
          cd build
          docker compose --ansi never stop