deepaknettem commented on code in PR #12808: URL: https://github.com/apache/iceberg/pull/12808#discussion_r2047473865
########## bigquery/src/main/java/org/apache/iceberg/gcp/bigquery/BigQueryMetaStoreClientImpl.java: ########## @@ -0,0 +1,620 @@ +/* + * 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.bigquery; + +import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport; +import com.google.api.client.http.HttpHeaders; +import com.google.api.client.http.HttpResponse; +import com.google.api.client.http.HttpResponseException; +import com.google.api.client.http.HttpStatusCodes; +import com.google.api.client.json.gson.GsonFactory; +import com.google.api.client.util.Data; +import com.google.api.services.bigquery.Bigquery; +import com.google.api.services.bigquery.BigqueryScopes; +import com.google.api.services.bigquery.model.Dataset; +import com.google.api.services.bigquery.model.DatasetList; +import com.google.api.services.bigquery.model.DatasetList.Datasets; +import com.google.api.services.bigquery.model.DatasetReference; +import com.google.api.services.bigquery.model.ExternalCatalogDatasetOptions; +import com.google.api.services.bigquery.model.ExternalCatalogTableOptions; +import com.google.api.services.bigquery.model.Table; +import com.google.api.services.bigquery.model.TableList; +import com.google.api.services.bigquery.model.TableList.Tables; +import com.google.api.services.bigquery.model.TableReference; +import com.google.api.services.bigquery.model.TableSchema; +import com.google.auth.http.HttpCredentialsAdapter; +import com.google.auth.oauth2.GoogleCredentials; +import com.google.cloud.BaseServiceException; +import com.google.cloud.ExceptionHandler; +import com.google.cloud.bigquery.BigQueryErrorMessages; +import com.google.cloud.bigquery.BigQueryOptions; +import com.google.cloud.bigquery.BigQueryRetryConfig; +import com.google.cloud.bigquery.BigQueryRetryHelper; +import java.io.IOException; +import java.nio.charset.StandardCharsets; +import java.security.GeneralSecurityException; +import java.util.List; +import java.util.Locale; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.Callable; +import java.util.stream.Collectors; +import java.util.stream.Stream; +import org.apache.iceberg.BaseMetastoreTableOperations; +import org.apache.iceberg.exceptions.AlreadyExistsException; +import org.apache.iceberg.exceptions.BadRequestException; +import org.apache.iceberg.exceptions.ForbiddenException; +import org.apache.iceberg.exceptions.NoSuchIcebergTableException; +import org.apache.iceberg.exceptions.NoSuchNamespaceException; +import org.apache.iceberg.exceptions.NoSuchTableException; +import org.apache.iceberg.exceptions.NotAuthorizedException; +import org.apache.iceberg.exceptions.RuntimeIOException; +import org.apache.iceberg.exceptions.ServiceFailureException; +import org.apache.iceberg.exceptions.ServiceUnavailableException; +import org.apache.iceberg.exceptions.ValidationException; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; + +/** A client of Google Bigquery Metastore functions over the BigQuery service. */ +public final class BigQueryMetaStoreClientImpl implements BigQueryMetaStoreClient { + + public static final ExceptionHandler.Interceptor EXCEPTION_HANDLER_INTERCEPTOR = + new ExceptionHandler.Interceptor() { + + private static final long serialVersionUID = -8429573486870467828L; + + @Override + public RetryResult afterEval(Exception exception, RetryResult retryResult) { + return ExceptionHandler.Interceptor.RetryResult.CONTINUE_EVALUATION; + } + + @Override + public RetryResult beforeEval(Exception exception) { + if (exception instanceof BaseServiceException) { + boolean retriable = ((BaseServiceException) exception).isRetryable(); + return retriable + ? ExceptionHandler.Interceptor.RetryResult.RETRY + : ExceptionHandler.Interceptor.RetryResult.CONTINUE_EVALUATION; + } + return ExceptionHandler.Interceptor.RetryResult.CONTINUE_EVALUATION; + } + }; + + private final Bigquery client; + private final BigQueryOptions bigqueryOptions; + + // Retry config with error messages and regex for rate limit exceeded errors. + private static final BigQueryRetryConfig DEFAULT_RETRY_CONFIG = + BigQueryRetryConfig.newBuilder() + .retryOnMessage(BigQueryErrorMessages.RATE_LIMIT_EXCEEDED_MSG) + .retryOnMessage(BigQueryErrorMessages.JOB_RATE_LIMIT_EXCEEDED_MSG) + .retryOnRegEx(BigQueryErrorMessages.RetryRegExPatterns.RATE_LIMIT_EXCEEDED_REGEX) + .build(); + + public static final ExceptionHandler BIGQUERY_EXCEPTION_HANDLER = + ExceptionHandler.newBuilder() + .abortOn(RuntimeException.class) + .retryOn(java.net.ConnectException.class) // retry on Connection Exception + .retryOn(java.net.UnknownHostException.class) // retry on UnknownHostException + .addInterceptors(EXCEPTION_HANDLER_INTERCEPTOR) + .build(); + + /** Constructs a client of the Google BigQuery service. */ + public BigQueryMetaStoreClientImpl(BigQueryOptions options) + throws IOException, GeneralSecurityException { + // Initialize client that will be used to send requests. This client only needs to be created + // once, and can be reused for multiple requests + HttpCredentialsAdapter httpCredentialsAdapter = + new HttpCredentialsAdapter( + GoogleCredentials.getApplicationDefault().createScoped(BigqueryScopes.all())); + this.client = + new Bigquery.Builder( + GoogleNetHttpTransport.newTrustedTransport(), + GsonFactory.getDefaultInstance(), + httpRequest -> { + httpCredentialsAdapter.initialize(httpRequest); + // Instead of throwing exceptions, analyze the HttpResponse object and inspect its + // status code. This will allow BigQuery API errors to be converted into Iceberg + // exceptions. + httpRequest.setThrowExceptionOnExecuteError(false); + }) + .setApplicationName("BigQuery Iceberg Catalog Plugin") + .build(); + this.bigqueryOptions = options; + } + + @Override + public Dataset createDataset(Dataset dataset) { + // TODO (b/399885863): Ensure Dataset creation is idempotent when handling retries. + Dataset response = null; + try { + response = + BigQueryRetryHelper.runWithRetries( + new Callable<Dataset>() { + @Override + public Dataset call() { + return create(dataset); + } + }, + bigqueryOptions.getRetrySettings(), + BIGQUERY_EXCEPTION_HANDLER, + bigqueryOptions.getClock(), + DEFAULT_RETRY_CONFIG); + } catch (BigQueryRetryHelper.BigQueryRetryHelperException e) { + handleBigQueryRetryException(e); + } + return response; + } + + @SuppressWarnings("FormatStringAnnotation") + private Dataset create(Dataset dataset) { + try { + HttpResponse response = + client + .datasets() + .insert(dataset.getDatasetReference().getProjectId(), dataset) + .executeUnparsed(); + return convertExceptionIfUnsuccessful(response).parseAs(Dataset.class); + } catch (IOException e) { + throw new RuntimeIOException(e); + } catch (AlreadyExistsException e) { + throw new AlreadyExistsException("Namespace already exists: " + dataset.getId()); + } + } + + @Override + @SuppressWarnings("FormatStringAnnotation") + public Dataset getDataset(DatasetReference datasetReference) { + try { + HttpResponse response = + client + .datasets() + .get(datasetReference.getProjectId(), datasetReference.getDatasetId()) + .executeUnparsed(); + if (response.getStatusCode() == HttpStatusCodes.STATUS_CODE_NOT_FOUND) { + throw new NoSuchNamespaceException( + "Namespace does not exist: " + datasetReference.getDatasetId()); + } + return convertExceptionIfUnsuccessful(response).parseAs(Dataset.class); + } catch (IOException e) { + throw new RuntimeIOException(e); + } + } + + @Override + @SuppressWarnings("FormatStringAnnotation") + public void deleteDataset(DatasetReference datasetReference) { + try { + HttpResponse response = + client + .datasets() + .delete(datasetReference.getProjectId(), datasetReference.getDatasetId()) + .executeUnparsed(); + if (response.getStatusCode() == HttpStatusCodes.STATUS_CODE_NOT_FOUND) { + throw new NoSuchNamespaceException( + "Namespace does not exist: " + datasetReference.getDatasetId()); + } + convertExceptionIfUnsuccessful(response); + } catch (IOException e) { + throw new RuntimeIOException(e); + } + } + + @Override + public Dataset setDatasetParameters( + DatasetReference datasetReference, Map<String, String> parameters) { + Dataset dataset = getDataset(datasetReference); + ExternalCatalogDatasetOptions externalCatalogDatasetOptions = + dataset.getExternalCatalogDatasetOptions() == null + ? new ExternalCatalogDatasetOptions() + : dataset.getExternalCatalogDatasetOptions(); + Map<String, String> finalParameters = + externalCatalogDatasetOptions.getParameters() == null + ? Maps.newHashMap() + : externalCatalogDatasetOptions.getParameters(); + finalParameters.putAll(parameters); + + dataset.setExternalCatalogDatasetOptions( + externalCatalogDatasetOptions.setParameters(finalParameters)); + + return updateDataset(dataset); + } + + @Override + public Dataset removeDatasetParameters( + DatasetReference datasetReference, Set<String> parameters) { + Dataset dataset = getDataset(datasetReference); + ExternalCatalogDatasetOptions externalCatalogDatasetOptions = + dataset.getExternalCatalogDatasetOptions() == null + ? new ExternalCatalogDatasetOptions() + : dataset.getExternalCatalogDatasetOptions(); + Map<String, String> finalParameters = + externalCatalogDatasetOptions.getParameters() == null + ? Maps.newHashMap() + : externalCatalogDatasetOptions.getParameters(); + parameters.forEach(finalParameters::remove); + + dataset.setExternalCatalogDatasetOptions( + externalCatalogDatasetOptions.setParameters(finalParameters)); + + return updateDataset(dataset); + } + + @Override + public List<Datasets> listDatasets(String projectId) { + try { + String nextPageToken = null; + List<Datasets> datasets = Lists.newArrayList(); + do { + HttpResponse pageResponse = + client.datasets().list(projectId).setPageToken(nextPageToken).executeUnparsed(); + DatasetList result = + convertExceptionIfUnsuccessful(pageResponse).parseAs(DatasetList.class); + nextPageToken = result.getNextPageToken(); + if (result.getDatasets() != null) { + datasets.addAll(result.getDatasets()); + } + } while (nextPageToken != null && !nextPageToken.isEmpty()); + return datasets; + } catch (IOException e) { + throw new RuntimeIOException(e); + } + } + + @Override + public Table createTable(Table table) { + // Ensure it is an Iceberg table supported by the BQ metastore catalog. Review Comment: nit: s/BQ/BigQuery here and other places -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
