| /* |
| * Copyright 2009-2012 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.asterix.installer.command; |
| |
| import java.util.List; |
| |
| import org.kohsuke.args4j.Option; |
| |
| import edu.uci.ics.asterix.event.schema.pattern.Patterns; |
| import edu.uci.ics.asterix.installer.driver.InstallerDriver; |
| import edu.uci.ics.asterix.installer.driver.InstallerUtil; |
| import edu.uci.ics.asterix.installer.events.PatternCreator; |
| import edu.uci.ics.asterix.installer.model.AsterixInstance; |
| import edu.uci.ics.asterix.installer.model.AsterixInstance.State; |
| import edu.uci.ics.asterix.installer.model.BackupInfo; |
| |
| public class RestoreCommand extends AbstractCommand { |
| |
| @Override |
| protected void execCommand() throws Exception { |
| InstallerDriver.initConfig(); |
| String asterixInstanceName = ((RestoreConfig) config).name; |
| AsterixInstance instance = InstallerUtil.validateAsterixInstanceExists(asterixInstanceName, State.INACTIVE); |
| int backupId = ((RestoreConfig) config).backupId; |
| List<BackupInfo> backupInfoList = instance.getBackupInfo(); |
| if (backupInfoList.size() <= backupId || backupId < 0) { |
| throw new IllegalStateException("Invalid backup id"); |
| } |
| |
| BackupInfo backupInfo = backupInfoList.get(backupId); |
| PatternCreator pc = new PatternCreator(); |
| Patterns patterns = pc.getRestoreAsterixPattern(instance, backupInfo); |
| InstallerUtil.getEventrixClient(instance.getCluster()).submit(patterns); |
| LOGGER.info("Asterix instance: " + asterixInstanceName + " has been restored from backup"); |
| } |
| |
| @Override |
| protected CommandConfig getCommandConfig() { |
| return new RestoreConfig(); |
| } |
| |
| @Override |
| protected String getUsageDescription() { |
| return "\nRestores an ASTERIX instance's data from a previously taken backup snapshot." |
| + "\n\nAvailable arguments/options" + "\n-n name of the ASTERIX instance" |
| + "\n-b id of the backed up snapshot "; |
| } |
| |
| } |
| |
| class RestoreConfig extends AbstractCommandConfig { |
| |
| @Option(name = "-n", required = true, usage = "Name of the Asterix instance") |
| public String name; |
| |
| @Option(name = "-b", required = true, usage = "Id corresponding to the backed up version") |
| public int backupId; |
| |
| } |