name: ESR Upgrade
on:
  workflow_call:
    inputs:
      db-dump-url:
        required: true
        type: string
      initial-version:
        required: true
        type: string
      final-version:
        required: true
        type: string
env:
  COMPOSE_PROJECT_NAME: ghactions
  BUILD_IMAGE: mattermost/mattermost-enterprise-edition:${{ inputs.final-version }}
  MYSQL_CONN_ARGS: -h localhost -P 3306 --protocol=tcp -ummuser -pmostest mattermost_test
  DUMP_SERVER_NAME: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.dump.server.sql
  DUMP_SCRIPT_NAME: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.dump.script.sql
  MIGRATION_SCRIPT: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.mysql.up.sql
  CLEANUP_SCRIPT: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.mysql.cleanup.sql
  PREPROCESS_SCRIPT: esr.common.mysql.preprocess.sql
  DIFF_NAME: esr.${{ inputs.initial-version }}-${{ inputs.final-version }}.diff
jobs:
  esr-upgrade-server:
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    steps:
      - name: Checkout mattermost project
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Run docker compose
        run: |
          cd server/build
          docker compose --no-ansi run --rm start_dependencies
          cat ../tests/test-data.ldif | docker compose --no-ansi exec -T openldap bash -c 'ldapadd -x -D "cn=admin,dc=mm,dc=test,dc=com" -w mostest';
          docker compose --no-ansi exec -T minio sh -c 'mkdir -p /data/mattermost-test';
          docker compose --no-ansi ps
      - name: Wait for docker compose
        run: |
          until docker network inspect ghactions_mm-test; do echo "Waiting for Docker Compose Network..."; sleep 1; done;
          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://mysql:3306; do echo waiting for mysql; sleep 5; done;"
          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://elasticsearch:9200; do echo waiting for elasticsearch; sleep 5; done;"
      - name: Initialize the database with the source DB dump
        run: |
          curl ${{ inputs.db-dump-url }} | zcat | docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS
      - name: Common preprocessing of the DB dump
        run: |
          cd server/scripts/esrupgrades
          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $PREPROCESS_SCRIPT
      - name: Pull EE image
        run: |
          docker pull $BUILD_IMAGE
      - name: Run migration through server
        run: |
          mkdir -p client/plugins
          cd server/build
          # Run the server in the background to trigger the migrations
          docker run --name mmserver \
            --net ghactions_mm-test \
            --ulimit nofile=8096:8096 \
            --env-file=dotenv/test.env \
            --env MM_SQLSETTINGS_DRIVERNAME="mysql" \
            --env MM_SQLSETTINGS_DATASOURCE="mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&multiStatements=true&maxAllowedPacket=4194304" \
            -v ~/work/mattermost:/mm \
            -w /mm \
            $BUILD_IMAGE &
          # In parallel, wait for the migrations to finish.
          # To verify this, we check that the server has finished the startup job through the log line "Server is listening on"
          until docker logs mmserver | grep "Server is listening on"; do\
            echo "Waiting for migrations to finish..."; \
            sleep 1; \
            done;
          # Make sure to stop the server. Also, redirect output to null;
          # otherwise, the name of the container gets written to the console, which is weird
          docker stop mmserver > /dev/null
      - name: Cleanup DB
        run: |
          cd server/scripts/esrupgrades
          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $CLEANUP_SCRIPT
      - name: Dump upgraded database
        run: |
          # Use --skip-opt to have each INSERT into one line.
          # Use --set-gtid-purged=OFF to suppress GTID-related statements.
          docker exec -i ghactions_mysql_1 mysqldump \
            --skip-opt --set-gtid-purged=OFF \
            $MYSQL_CONN_ARGS > $DUMP_SERVER_NAME
      - name: Cleanup dump and compress
        run: |
          # We skip the very last line, which simply contains the date of the dump
          head -n -1 ${DUMP_SERVER_NAME} | gzip > ${DUMP_SERVER_NAME}.gz
      - name: Upload dump
        uses: actions/upload-artifact@v4
        with:
          name: upgraded-dump-server
          path: ${{ env.DUMP_SERVER_NAME }}.gz
  esr-upgrade-script:
    runs-on: ubuntu-22.04
    timeout-minutes: 30
    steps:
      - name: Checkout mattermost project
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Run docker compose
        run: |
          cd server/build
          docker compose --no-ansi run --rm start_dependencies
          cat ../tests/test-data.ldif | docker compose --no-ansi exec -T openldap bash -c 'ldapadd -x -D "cn=admin,dc=mm,dc=test,dc=com" -w mostest';
          docker compose --no-ansi exec -T minio sh -c 'mkdir -p /data/mattermost-test';
          docker compose --no-ansi ps
      - name: Wait for docker compose
        run: |
          until docker network inspect ghactions_mm-test; do echo "Waiting for Docker Compose Network..."; sleep 1; done;
          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://mysql:3306; do echo waiting for mysql; sleep 5; done;"
          docker run --net ghactions_mm-test appropriate/curl:latest sh -c "until curl --max-time 5 --output - http://elasticsearch:9200; do echo waiting for elasticsearch; sleep 5; done;"
      - name: Initialize the database with the source DB dump
        run: |
          curl ${{ inputs.db-dump-url }} | zcat | docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS
      - name: Preprocess the DB dump
        run: |
          cd server/scripts/esrupgrades
          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $PREPROCESS_SCRIPT
      - name: Run migration through script
        run: |
          cd server/scripts/esrupgrades
          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $MIGRATION_SCRIPT
      - name: Cleanup DB
        run: |
          cd server/scripts/esrupgrades
          docker exec -i ghactions_mysql_1 mysql -AN $MYSQL_CONN_ARGS < $CLEANUP_SCRIPT
      - name: Dump upgraded database
        run: |
          docker exec -i ghactions_mysql_1 mysqldump --skip-opt --set-gtid-purged=OFF $MYSQL_CONN_ARGS > $DUMP_SCRIPT_NAME
      - name: Cleanup dump and compress
        run: |
          # We skip the very last line, which simply contains the date of the dump
          head -n -1 ${DUMP_SCRIPT_NAME} | gzip > ${DUMP_SCRIPT_NAME}.gz
      - name: Upload dump
        uses: actions/upload-artifact@v4
        with:
          name: upgraded-dump-script
          path: ${{ env.DUMP_SCRIPT_NAME }}.gz
  esr-upgrade-diff:
    runs-on: ubuntu-latest
    needs:
      - esr-upgrade-server
      - esr-upgrade-script
    steps:
      - name: Retrieve dumps
        uses: actions/download-artifact@v4
      - name: Diff dumps
        run: |
          gzip -d upgraded-dump-server/${DUMP_SERVER_NAME}.gz
          gzip -d upgraded-dump-script/${DUMP_SCRIPT_NAME}.gz
          diff upgraded-dump-server/$DUMP_SERVER_NAME upgraded-dump-script/$DUMP_SCRIPT_NAME > $DIFF_NAME
      - name: Upload diff
        if: failure() # Upload the diff only if the previous step failed; i.e., if the diff is non-empty
        uses: actions/upload-artifact@v4
        with:
          name: dumps-diff
          path: ${{ env.DIFF_NAME }}