doc: Update README.md #47
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| name: Docker Replica Mode Test | |
| on: | |
| push: | |
| branches: [ "main" ] | |
| jobs: | |
| test-replication: | |
| runs-on: ubuntu-latest | |
| strategy: | |
| matrix: | |
| source: ['mysql', 'postgres'] | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Install dependencies | |
| run: | | |
| # Only install DuckDB for data comparison | |
| curl -LJO https://github.com/duckdb/duckdb/releases/latest/download/duckdb_cli-linux-amd64.zip | |
| unzip duckdb_cli-linux-amd64.zip | |
| chmod +x duckdb | |
| sudo mv duckdb /usr/local/bin | |
| - name: Start source ${{ matrix.source }} database | |
| run: | | |
| if [ "${{ matrix.source }}" = "mysql" ]; then | |
| docker run -d --name source-db -p 3306:3306 \ | |
| -e MYSQL_ROOT_PASSWORD=root \ | |
| -e MYSQL_DATABASE=test \ | |
| mysql:lts | |
| # Wait for MySQL to be ready | |
| until docker exec source-db mysql -uroot -proot -e "SELECT 1"; do | |
| sleep 1 | |
| done | |
| # Create test data | |
| docker exec source-db mysql -uroot -proot test -e " | |
| CREATE TABLE items (id INT PRIMARY KEY, name VARCHAR(50)); | |
| INSERT INTO items VALUES (1, 'test1'), (2, 'test2');" | |
| else | |
| docker run -d --name source-db -p 5432:5432 \ | |
| -e POSTGRES_PASSWORD=postgres \ | |
| -e POSTGRES_DB=test \ | |
| postgres:latest \ | |
| -c wal_level=logical | |
| # Wait for PostgreSQL to be ready | |
| until docker exec source-db pg_isready; do | |
| sleep 1 | |
| done | |
| # Create test data | |
| docker exec source-db psql -U postgres test -c " | |
| CREATE TABLE items (id INT PRIMARY KEY, name VARCHAR(50)); | |
| INSERT INTO items VALUES (1, 'test1'), (2, 'test2');" | |
| fi | |
| - name: Start MyDuck Server in replica mode | |
| run: | | |
| if [ "${{ matrix.source }}" = "mysql" ]; then | |
| SOURCE_DSN="mysql://root:[email protected]:3306" | |
| else | |
| SOURCE_DSN="postgres://postgres:[email protected]:5432/test" | |
| fi | |
| docker run -d --name myduck \ | |
| --add-host=host.docker.internal:host-gateway \ | |
| -p 13306:3306 \ | |
| -p 15432:5432 \ | |
| --env=SETUP_MODE=REPLICA \ | |
| --env=SOURCE_DSN="$SOURCE_DSN" \ | |
| apecloud/myduckserver:latest | |
| # Wait for MyDuck to be ready | |
| sleep 10 | |
| - name: Verify initial replication | |
| run: | | |
| # Query source data | |
| SCHEMA="" | |
| if [ "${{ matrix.source }}" = "mysql" ]; then | |
| docker exec source-db mysql -uroot -proot test \ | |
| -e "SELECT * FROM items ORDER BY id;" | tee source_data.csv | |
| SCHEMA=test | |
| else | |
| docker exec source-db psql -U postgres -h 127.0.0.1 test \ | |
| -c "\COPY (SELECT * FROM items ORDER BY id) TO STDOUT WITH CSV;" | tee source_data.csv | |
| SCHEMA=public | |
| fi | |
| # Query MyDuck data | |
| docker exec myduck psql -U postgres -h 127.0.0.1 \ | |
| -c "\COPY (SELECT * FROM ${SCHEMA}.items ORDER BY id) TO STDOUT WITH CSV;" | tee myduck_data.csv | |
| # Compare data using DuckDB | |
| duckdb --csv -c " | |
| CREATE TABLE source AS FROM 'source_data.csv'; | |
| CREATE TABLE myduck AS FROM 'myduck_data.csv'; | |
| SELECT COUNT(*) FROM ( | |
| SELECT * FROM source EXCEPT SELECT * FROM myduck | |
| ) diff;" | tail -n 1 | tee diff_count.txt | |
| # Verify no differences | |
| if grep -q '^0$' diff_count.txt; then | |
| echo 'Initial replication verification successful' | |
| else | |
| echo 'Initial replication verification failed' | |
| exit 1 | |
| fi | |
| - name: Test replication of new data | |
| run: | | |
| # Insert new data in source | |
| SCHEMA="" | |
| if [ "${{ matrix.source }}" = "mysql" ]; then | |
| docker exec source-db mysql -uroot -proot test \ | |
| -e "INSERT INTO items VALUES (3, 'test3');" | |
| SCHEMA=test | |
| else | |
| docker exec source-db psql -U postgres test \ | |
| -c "INSERT INTO items VALUES (3, 'test3');" | |
| SCHEMA=public | |
| fi | |
| # Wait for replication | |
| sleep 5 | |
| # Verify new data was replicated | |
| docker exec myduck psql -t -U postgres -h 127.0.0.1 -c \ | |
| "SELECT COUNT(*) FROM ${SCHEMA}.items WHERE id = 3;" | tr -d ' ' | tee count.txt | |
| if grep -q '^1$' count.txt; then | |
| echo 'Replication of new data verified successfully' | |
| else | |
| echo 'Replication of new data verification failed' | |
| exit 1 | |
| fi | |
| - name: Cleanup | |
| if: always() | |
| run: | | |
| docker rm -f source-db myduck || true |