org.graylog2.indexer.retention.strategies.ClosingRetentionStrategy Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.indexer.retention.strategies;
import com.google.common.base.Stopwatch;
import com.google.common.collect.ImmutableMap;
import org.graylog2.audit.AuditActor;
import org.graylog2.audit.AuditEventSender;
import org.graylog2.indexer.IndexSet;
import org.graylog2.indexer.indexset.IndexSetConfig;
import org.graylog2.indexer.indices.Indices;
import org.graylog2.plugin.indexer.retention.RetentionStrategyConfig;
import org.graylog2.plugin.system.NodeId;
import org.graylog2.shared.system.activities.ActivityWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.Optional;
import java.util.concurrent.TimeUnit;
import static org.graylog2.audit.AuditEventTypes.ES_INDEX_RETENTION_CLOSE;
public class ClosingRetentionStrategy extends AbstractIndexCountBasedRetentionStrategy {
private static final Logger LOG = LoggerFactory.getLogger(ClosingRetentionStrategy.class);
private final Indices indices;
private final NodeId nodeId;
private final AuditEventSender auditEventSender;
@Inject
public ClosingRetentionStrategy(Indices indices,
ActivityWriter activityWriter,
NodeId nodeId,
AuditEventSender auditEventSender) {
super(indices, activityWriter);
this.indices = indices;
this.nodeId = nodeId;
this.auditEventSender = auditEventSender;
}
@Override
protected Optional getMaxNumberOfIndices(IndexSet indexSet) {
final IndexSetConfig indexSetConfig = indexSet.getConfig();
final RetentionStrategyConfig strategyConfig = indexSetConfig.retentionStrategy();
if (!(strategyConfig instanceof ClosingRetentionStrategyConfig)) {
throw new IllegalStateException("Invalid retention strategy config <" + strategyConfig.getClass().getCanonicalName() + "> for index set <" + indexSetConfig.id() + ">");
}
final ClosingRetentionStrategyConfig config = (ClosingRetentionStrategyConfig) strategyConfig;
return Optional.of(config.maxNumberOfIndices());
}
@Override
public void retain(String indexName, IndexSet indexSet) {
final Stopwatch sw = Stopwatch.createStarted();
indices.close(indexName);
auditEventSender.success(AuditActor.system(nodeId), ES_INDEX_RETENTION_CLOSE, ImmutableMap.of(
"index_name", indexName,
"retention_strategy", this.getClass().getCanonicalName()
));
LOG.info("Finished index retention strategy [close] for index <{}> in {}ms.", indexName,
sw.stop().elapsed(TimeUnit.MILLISECONDS));
}
@Override
public Class configurationClass() {
return ClosingRetentionStrategyConfig.class;
}
@Override
public RetentionStrategyConfig defaultConfiguration() {
return ClosingRetentionStrategyConfig.createDefault();
}
}