name: Database Migration Test
on:
  workflow_call:
jobs:
  test:
    name: MySQL -> Postgres Migration
    runs-on: ubuntu-22.04
    env:
      COMPOSE_PROJECT_NAME: ghactions
      TEST_IMAGE: migration-test-image
    defaults:
      run:
        working-directory: server
    steps:
      - name: Checkout mattermost project
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Calculate Golang Version
        id: go
        working-directory: ./server
        run: echo GO_VERSION=$(cat .go-version) >> "${GITHUB_OUTPUT}"
      - 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 ${COMPOSE_PROJECT_NAME}-mysql-1 && sleep 10
      - name: Build test image
        env:
          BUILD_IMAGE: golang:${{ steps.go.outputs.GO_VERSION }}-bookworm
          PGLOADER_IMAGE: mattermost/mattermost-pgloader:v3.6.9
        run: |
          docker build -t $TEST_IMAGE - <<EOF
          FROM $PGLOADER_IMAGE AS pgloader
          FROM $BUILD_IMAGE
          COPY --from=pgloader /usr/bin/pgloader /usr/bin/pgloader
          EOF
          # Print out installed pgloader version
          docker run --rm $TEST_IMAGE pgloader --version
      - 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@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: Migration logs
          path: server/migration.log
          retention-days: 7
      - name: Stop docker compose
        run: |
          cd build
          docker compose --ansi never stop