kfaraz commented on code in PR #19143: URL: https://github.com/apache/druid/pull/19143#discussion_r2931454871
########## embedded-tests/src/test/java/org/apache/druid/testing/embedded/iceberg/IcebergRestCatalogResource.java: ########## @@ -0,0 +1,192 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.druid.testing.embedded.iceberg; + +import org.apache.druid.iceberg.common.IcebergDruidModule; +import org.apache.druid.java.util.common.StringUtils; +import org.apache.druid.testing.embedded.EmbeddedDruidCluster; +import org.apache.druid.testing.embedded.TestcontainerResource; +import org.apache.iceberg.CatalogProperties; +import org.apache.iceberg.Schema; +import org.apache.iceberg.Table; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.rest.RESTCatalog; +import org.testcontainers.containers.BindMode; +import org.testcontainers.containers.GenericContainer; +import org.testcontainers.containers.wait.strategy.Wait; + +import javax.annotation.Nullable; +import java.io.File; +import java.util.HashMap; +import java.util.Map; + +/** + * Testcontainer resource wrapping {@code tabulario/iceberg-rest} with a local + * filesystem warehouse shared via bind mount. The warehouse directory is + * obtained from the cluster's {@link org.apache.druid.testing.embedded.TestFolder}. + */ +public class IcebergRestCatalogResource extends TestcontainerResource<GenericContainer<?>> +{ + // 1.6.0 is the latest available tag; the REST protocol is compatible with the 1.6.1 client libraries + private static final String ICEBERG_REST_IMAGE = "tabulario/iceberg-rest:1.6.0"; + private static final int REST_CATALOG_PORT = 8181; + private static final String CONTAINER_WAREHOUSE_PATH = "/tmp/iceberg-warehouse"; + + @Nullable + private File warehouseDir; + + @Nullable + private RESTCatalog clientCatalog; + + @Override + public void beforeStart(EmbeddedDruidCluster cluster) + { + warehouseDir = cluster.getTestFolder().getOrCreateFolder("iceberg-warehouse"); + } + + @Override + protected GenericContainer<?> createContainer() + { + if (warehouseDir == null) { + throw new IllegalStateException("warehouseDir has not been initialized; beforeStart() must be called first"); + } + // Run as root so the container can write to the bind-mounted warehouse directory + // regardless of host directory ownership (the default image user is iceberg:iceberg). + return new GenericContainer<>(ICEBERG_REST_IMAGE) + .withCreateContainerCmdModifier(cmd -> cmd.withUser("root")) + .withExposedPorts(REST_CATALOG_PORT) + .withFileSystemBind(warehouseDir.getAbsolutePath(), CONTAINER_WAREHOUSE_PATH, BindMode.READ_WRITE) + .withEnv("CATALOG_WAREHOUSE", CONTAINER_WAREHOUSE_PATH) + .withEnv("CATALOG_IO__IMPL", "org.apache.iceberg.hadoop.HadoopFileIO") + .waitingFor(Wait.forHttp("/v1/config").forPort(REST_CATALOG_PORT)); + } + + @Override + public void onStarted(EmbeddedDruidCluster cluster) + { + cluster.addExtension(IcebergDruidModule.class); + } + + @Override + public void stop() + { + if (clientCatalog != null) { + try { + clientCatalog.close(); + } + catch (Exception e) { + // Best-effort cleanup + } + clientCatalog = null; + } + super.stop(); + } + + /** + * Returns the REST catalog URI accessible from the host (via mapped port). + */ + public String getCatalogUri() + { + ensureRunning(); + return StringUtils.format( + "http://%s:%d";, + getContainer().getHost(), + getContainer().getMappedPort(REST_CATALOG_PORT) + ); + } + + /** + * Returns the host-side warehouse directory. + */ + public File getWarehouseDir() + { + if (warehouseDir == null) { + throw new IllegalStateException("warehouseDir has not been initialized; beforeStart() must be called first"); + } + return warehouseDir; + } + + /** + * Creates a namespace in the REST catalog. + */ + public void createNamespace(String namespace) + { + getClientCatalog().createNamespace(Namespace.of(namespace)); + } + + /** + * Drops a namespace from the REST catalog. Best-effort; ignores errors. + */ + public void dropNamespace(String namespace) + { + try { + getClientCatalog().dropNamespace(Namespace.of(namespace)); Review Comment: Or you may choose to just not catch the exception (unless it is a checked exception). -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
