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BackupUtil.java
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BackupUtil.java
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/*
* Copyright (c) 2002-2018 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.causalclustering;
import java.io.File;
import java.io.IOException;
import org.neo4j.backup.impl.OnlineBackupCommandBuilder;
import org.neo4j.causalclustering.core.CausalClusteringSettings;
import org.neo4j.causalclustering.discovery.ClusterMember;
import org.neo4j.causalclustering.discovery.CoreClusterMember;
import org.neo4j.commandline.admin.CommandFailed;
import org.neo4j.helpers.AdvertisedSocketAddress;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.restore.RestoreDatabaseCommand;
import static org.junit.Assert.assertEquals;
import static org.neo4j.causalclustering.BackupCoreIT.backupArguments;
import static org.neo4j.util.TestHelpers.runBackupToolFromOtherJvmToGetExitCode;
public class BackupUtil
{
private static String backupAddress( CoreClusterMember core )
{
return core.settingValue( "causal_clustering.transaction_listen_address" );
}
public static File createBackupFromCore( CoreClusterMember core, String backupName, File baseBackupDir ) throws Exception
{
String[] args = backupArguments( backupAddress( core ), baseBackupDir, backupName );
assertEquals( 0, runBackupToolFromOtherJvmToGetExitCode( baseBackupDir, args ) );
return new File( baseBackupDir, backupName );
}
public static File createBackupInProcess( ClusterMember<?> member, File baseBackupDir, String backupName ) throws Exception
{
AdvertisedSocketAddress address = member.config().get( CausalClusteringSettings.transaction_advertised_address );
File targetDir = new File( baseBackupDir, backupName );
new OnlineBackupCommandBuilder()
.withHost( address.getHostname() )
.withPort( address.getPort() )
.backup( targetDir );
return targetDir;
}
public static void restoreFromBackup( File backup, FileSystemAbstraction fsa, CoreClusterMember coreClusterMember ) throws IOException, CommandFailed
{
Config config = coreClusterMember.config();
RestoreDatabaseCommand restoreDatabaseCommand = new RestoreDatabaseCommand( fsa, backup, config, "graph-db", true );
restoreDatabaseCommand.execute();
}
}