coufon commented on code in PR #7412: URL: https://github.com/apache/iceberg/pull/7412#discussion_r1344458998
########## gcp/src/main/java/org/apache/iceberg/gcp/biglake/BigLakeCatalog.java: ########## @@ -0,0 +1,396 @@ +/* + * 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.iceberg.gcp.biglake; + +import com.google.cloud.bigquery.biglake.v1.Catalog; +import com.google.cloud.bigquery.biglake.v1.CatalogName; +import com.google.cloud.bigquery.biglake.v1.Database; +import com.google.cloud.bigquery.biglake.v1.DatabaseName; +import com.google.cloud.bigquery.biglake.v1.HiveDatabaseOptions; +import com.google.cloud.bigquery.biglake.v1.Table; +import com.google.cloud.bigquery.biglake.v1.TableName; +import java.io.Closeable; +import java.io.IOException; +import java.util.List; +import java.util.Map; +import java.util.Set; +import org.apache.iceberg.BaseMetastoreCatalog; +import org.apache.iceberg.CatalogProperties; +import org.apache.iceberg.CatalogUtil; +import org.apache.iceberg.TableMetadata; +import org.apache.iceberg.TableOperations; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.SupportsNamespaces; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.exceptions.NoSuchNamespaceException; +import org.apache.iceberg.exceptions.NoSuchTableException; +import org.apache.iceberg.exceptions.ServiceFailureException; +import org.apache.iceberg.gcp.GCPProperties; +import org.apache.iceberg.hadoop.Configurable; +import org.apache.iceberg.io.CloseableGroup; +import org.apache.iceberg.io.FileIO; +import org.apache.iceberg.io.ResolvingFileIO; +import org.apache.iceberg.relocated.com.google.common.annotations.VisibleForTesting; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.base.Strings; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.iceberg.relocated.com.google.common.collect.Streams; +import org.apache.iceberg.util.LocationUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** Iceberg BigLake Metastore (BLMS) Catalog implementation. */ +public final class BigLakeCatalog extends BaseMetastoreCatalog + implements Closeable, SupportsNamespaces, Configurable<Object> { + + public static final String DEFAULT_BIGLAKE_SERVICE_ENDPOINT = "biglake.googleapis.com:443"; + + private static final Logger LOG = LoggerFactory.getLogger(BigLakeCatalog.class); + + // The name of this Iceberg catalog plugin. + private String name; + private Map<String, String> properties; + private FileIO io; + private Object conf; + + private BigLakeClient client; + + private String projectId; + private String region; + // BLMS catalog ID and fully qualified name. + private String catalogId; + private CatalogName catalogName; + private String warehouseLocation; + + private CloseableGroup closeableGroup; + + // Must have a no-arg constructor to be dynamically loaded + // initialize(String name, Map<String, String> properties) will be called to complete + // initialization + public BigLakeCatalog() {} + + @Override + public void initialize(String initName, Map<String, String> initProperties) { + BigLakeClient initClient; + try { + // CatalogProperties.URI specifies the endpoint of BigLake API. + // TODO: to add more auth options of the client. Currently it uses default auth + // (https://github.com/googleapis/google-cloud-java#application-default-credentials) + // that works on GCP services (e.g., GCE, GKE, Dataproc). + initClient = + new BigLakeClient( + initProperties.getOrDefault(CatalogProperties.URI, DEFAULT_BIGLAKE_SERVICE_ENDPOINT)); + } catch (IOException e) { + throw new ServiceFailureException(e, "Creating BigLake client failed"); + } + + initialize(initName, initProperties, initClient); + } + + @VisibleForTesting + void initialize(String initName, Map<String, String> initProperties, BigLakeClient initClient) { + this.name = initName; + this.properties = ImmutableMap.copyOf(initProperties); + + Preconditions.checkArgument(initClient != null, "BigLake client must not be null"); + this.client = initClient; + + Preconditions.checkArgument( + properties.containsKey(GCPProperties.PROJECT_ID), "GCP project ID must be specified"); + this.projectId = properties.get(GCPProperties.PROJECT_ID); + + Preconditions.checkArgument( + properties.containsKey(GCPProperties.REGION), "GCP region must be specified"); + this.region = properties.get(GCPProperties.REGION); + + // Users can specify the BigLake catalog ID, otherwise catalog plugin name will be used. + // For example, "spark.sql.catalog.<plugin-name>=org.apache.iceberg.spark.SparkCatalog" + // specifies the plugin name "<plugin-name>". + this.catalogId = properties.getOrDefault(GCPProperties.BIGLAKE_CATALOG_ID, initName); + this.catalogName = CatalogName.of(projectId, region, catalogId); + + Preconditions.checkArgument( + properties.containsKey(CatalogProperties.WAREHOUSE_LOCATION), + "Data warehouse location must be specified"); + this.warehouseLocation = + LocationUtil.stripTrailingSlash(properties.get(CatalogProperties.WAREHOUSE_LOCATION)); + + String ioImpl = + properties.getOrDefault(CatalogProperties.FILE_IO_IMPL, ResolvingFileIO.class.getName()); + this.io = CatalogUtil.loadFileIO(ioImpl, properties, conf); + + this.closeableGroup = new CloseableGroup(); + closeableGroup.addCloseable(client); + closeableGroup.addCloseable(io); + closeableGroup.setSuppressCloseFailure(true); + } + + @Override + protected TableOperations newTableOps(TableIdentifier identifier) { + String dbId = databaseId(identifier.namespace()); + validateDatabaseId(dbId, identifier.namespace()); + + return new BigLakeTableOperations(client, io, name(), tableName(dbId, identifier.name())); + } + + @Override + protected String defaultWarehouseLocation(TableIdentifier identifier) { + String dbId = databaseId(identifier.namespace()); + validateDatabaseId(dbId, identifier.namespace()); + + String locationUri = loadDatabase(dbId).getHiveOptions().getLocationUri(); + return String.format( + "%s/%s", + Strings.isNullOrEmpty(locationUri) ? databaseLocation(dbId) : locationUri, + identifier.name()); + } + + @Override + public List<TableIdentifier> listTables(Namespace namespace) { + ImmutableList<DatabaseName> dbNames = ImmutableList.of(); Review Comment: Done. -- This is an automated message from the Apache Git Service. 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