| /* |
| * 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.common.model.HoodieTableType; |
| import org.apache.hudi.common.table.timeline.HoodieInstant; |
| import org.apache.hudi.common.table.timeline.HoodieTimeline; |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.common.util.ValidationUtils; |
| import org.apache.hudi.exception.HoodieRollbackException; |
| import org.apache.hudi.table.HoodieTable; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| |
| public class SavepointHelpers { |
| |
| private static final Logger LOG = LogManager.getLogger(SavepointHelpers.class); |
| |
| public static void deleteSavepoint(HoodieTable table, String savepointTime) { |
| if (table.getMetaClient().getTableType() == HoodieTableType.MERGE_ON_READ) { |
| throw new UnsupportedOperationException("Savepointing is not supported or MergeOnRead table types"); |
| } |
| HoodieInstant savePoint = new HoodieInstant(false, HoodieTimeline.SAVEPOINT_ACTION, savepointTime); |
| boolean isSavepointPresent = table.getCompletedSavepointTimeline().containsInstant(savePoint); |
| if (!isSavepointPresent) { |
| LOG.warn("No savepoint present " + savepointTime); |
| return; |
| } |
| |
| table.getActiveTimeline().revertToInflight(savePoint); |
| table.getActiveTimeline().deleteInflight(new HoodieInstant(true, HoodieTimeline.SAVEPOINT_ACTION, savepointTime)); |
| LOG.info("Savepoint " + savepointTime + " deleted"); |
| } |
| |
| public static void validateSavepointRestore(HoodieTable table, String savepointTime) { |
| // Make sure the restore was successful |
| table.getMetaClient().reloadActiveTimeline(); |
| Option<HoodieInstant> lastInstant = table.getActiveTimeline() |
| .getCommitsAndCompactionTimeline() |
| .filterCompletedAndCompactionInstants() |
| .lastInstant(); |
| ValidationUtils.checkArgument(lastInstant.isPresent()); |
| ValidationUtils.checkArgument(lastInstant.get().getTimestamp().equals(savepointTime), |
| savepointTime + " is not the last commit after restoring to savepoint, last commit was " |
| + lastInstant.get().getTimestamp()); |
| } |
| |
| public static void validateSavepointPresence(HoodieTable table, String savepointTime) { |
| HoodieInstant savePoint = new HoodieInstant(false, HoodieTimeline.SAVEPOINT_ACTION, savepointTime); |
| boolean isSavepointPresent = table.getCompletedSavepointTimeline().containsInstant(savePoint); |
| if (!isSavepointPresent) { |
| throw new HoodieRollbackException("No savepoint for instantTime " + savepointTime); |
| } |
| } |
| } |