org.elasticsearch.common.logging.NodeAndClusterIdConverter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.common.logging;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.pattern.ConverterKeys;
import org.apache.logging.log4j.core.pattern.LogEventPatternConverter;
import org.apache.logging.log4j.core.pattern.PatternConverter;
import java.util.Locale;
/**
* Pattern converter to format the node_and_cluster_id variable into JSON fields node.id
and cluster.uuid
.
* Keeping those two fields together assures that they will be atomically set and become visible in logs at the same time.
*
* @deprecated this class is kept in order to allow working log configuration from 7.x
*/
@Plugin(category = PatternConverter.CATEGORY, name = "NodeAndClusterIdConverter")
@ConverterKeys({ "node_and_cluster_id" })
@Deprecated
public final class NodeAndClusterIdConverter extends LogEventPatternConverter {
public NodeAndClusterIdConverter() {
super("NodeAndClusterId", "node_and_cluster_id");
}
/**
* Called by log4j2 to initialize this converter.
*/
public static NodeAndClusterIdConverter newInstance(@SuppressWarnings("unused") final String[] options) {
return new NodeAndClusterIdConverter();
}
/**
* Formats the node.id and cluster.uuid into json fields.
*
* @param event - a log event is ignored in this method as it uses the nodeId and clusterId to format
*/
@Override
public void format(LogEvent event, StringBuilder toAppendTo) {
if (NodeAndClusterIdStateListener.nodeAndClusterId.get() != null) {
String nodeId = NodeAndClusterIdStateListener.nodeAndClusterId.get().v1();
String clusterUUID = NodeAndClusterIdStateListener.nodeAndClusterId.get().v2();
toAppendTo.append(formatIds(nodeId, clusterUUID));
}
// nodeId/clusterUuid not received yet, not appending
}
private static String formatIds(String nodeId, String clusterUUID) {
return String.format(Locale.ROOT, "\"cluster.uuid\": \"%s\", \"node.id\": \"%s\"", clusterUUID, nodeId);
}
}