| /* |
| * 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.hudi.table.action.savepoint; |
| |
| import org.apache.hudi.avro.model.HoodieCleanMetadata; |
| import org.apache.hudi.avro.model.HoodieSavepointMetadata; |
| import org.apache.hudi.client.common.HoodieEngineContext; |
| import org.apache.hudi.common.fs.FSUtils; |
| import org.apache.hudi.common.model.HoodieBaseFile; |
| import org.apache.hudi.common.model.HoodieRecordPayload; |
| import org.apache.hudi.common.model.HoodieTableType; |
| import org.apache.hudi.common.table.timeline.HoodieInstant; |
| import org.apache.hudi.common.table.timeline.HoodieTimeline; |
| import org.apache.hudi.common.table.timeline.TimelineMetadataUtils; |
| import org.apache.hudi.common.table.view.TableFileSystemView; |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.common.util.ValidationUtils; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.exception.HoodieSavepointException; |
| import org.apache.hudi.table.HoodieTable; |
| import org.apache.hudi.table.action.BaseActionExecutor; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| import scala.Tuple2; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| public class SavepointActionExecutor<T extends HoodieRecordPayload, I, K, O> extends BaseActionExecutor<T, I, K, O, HoodieSavepointMetadata> { |
| |
| private static final Logger LOG = LogManager.getLogger(SavepointActionExecutor.class); |
| |
| private final String user; |
| private final String comment; |
| |
| public SavepointActionExecutor(HoodieEngineContext context, |
| HoodieWriteConfig config, |
| HoodieTable<T, I, K, O> table, |
| String instantTime, |
| String user, |
| String comment) { |
| super(context, config, table, instantTime); |
| this.user = user; |
| this.comment = comment; |
| } |
| |
| @Override |
| public HoodieSavepointMetadata execute() { |
| if (table.getMetaClient().getTableType() == HoodieTableType.MERGE_ON_READ) { |
| throw new UnsupportedOperationException("Savepointing is not supported or MergeOnRead table types"); |
| } |
| Option<HoodieInstant> cleanInstant = table.getCompletedCleanTimeline().lastInstant(); |
| HoodieInstant commitInstant = new HoodieInstant(false, HoodieTimeline.COMMIT_ACTION, instantTime); |
| if (!table.getCompletedCommitsTimeline().containsInstant(commitInstant)) { |
| throw new HoodieSavepointException("Could not savepoint non-existing commit " + commitInstant); |
| } |
| |
| try { |
| // Check the last commit that was not cleaned and check if savepoint time is > that commit |
| String lastCommitRetained; |
| if (cleanInstant.isPresent()) { |
| HoodieCleanMetadata cleanMetadata = TimelineMetadataUtils |
| .deserializeHoodieCleanMetadata(table.getActiveTimeline().getInstantDetails(cleanInstant.get()).get()); |
| lastCommitRetained = cleanMetadata.getEarliestCommitToRetain(); |
| } else { |
| lastCommitRetained = table.getCompletedCommitsTimeline().firstInstant().get().getTimestamp(); |
| } |
| |
| // Cannot allow savepoint time on a commit that could have been cleaned |
| ValidationUtils.checkArgument(HoodieTimeline.compareTimestamps(instantTime, HoodieTimeline.GREATER_THAN_OR_EQUALS, lastCommitRetained), |
| "Could not savepoint commit " + instantTime + " as this is beyond the lookup window " + lastCommitRetained); |
| |
| context.setJobStatus(this.getClass().getSimpleName(), "Collecting latest files for savepoint " + instantTime); |
| Map<String, List<String>> latestFilesMap = context.mapToPair(FSUtils.getAllPartitionPaths(table.getMetaClient().getFs(), |
| table.getMetaClient().getBasePath(), config.shouldAssumeDatePartitioning()), partitionPath -> { |
| // Scan all partitions files with this commit time |
| LOG.info("Collecting latest files in partition path " + partitionPath); |
| TableFileSystemView.BaseFileOnlyView view = table.getBaseFileOnlyView(); |
| List<String> latestFiles = view.getLatestBaseFilesBeforeOrOn(partitionPath, instantTime) |
| .map(HoodieBaseFile::getFileName).collect(Collectors.toList()); |
| return new Tuple2<>(partitionPath, latestFiles); |
| }, null); |
| HoodieSavepointMetadata metadata = TimelineMetadataUtils.convertSavepointMetadata(user, comment, latestFilesMap); |
| // Nothing to save in the savepoint |
| table.getActiveTimeline().createNewInstant( |
| new HoodieInstant(true, HoodieTimeline.SAVEPOINT_ACTION, instantTime)); |
| table.getActiveTimeline() |
| .saveAsComplete(new HoodieInstant(true, HoodieTimeline.SAVEPOINT_ACTION, instantTime), |
| TimelineMetadataUtils.serializeSavepointMetadata(metadata)); |
| LOG.info("Savepoint " + instantTime + " created"); |
| return metadata; |
| } catch (IOException e) { |
| throw new HoodieSavepointException("Failed to savepoint " + instantTime, e); |
| } |
| } |
| } |