org.elasticsearch.monitor.dump.SimpleDumpGenerator Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.elasticsearch.monitor.dump;
import com.google.common.collect.ImmutableMap;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.FileSystemUtils;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Map;
/**
*
*/
public class SimpleDumpGenerator implements DumpGenerator {
private final File dumpLocation;
private final ImmutableMap contributors;
public SimpleDumpGenerator(File dumpLocation, Map contributors) {
this.dumpLocation = dumpLocation;
this.contributors = ImmutableMap.copyOf(contributors);
}
public Result generateDump(String cause, @Nullable Map context) throws DumpGenerationFailedException {
return generateDump(cause, context, contributors.keySet().toArray(new String[contributors.size()]));
}
public Result generateDump(String cause, @Nullable Map context, String... contributors) throws DumpGenerationFailedException {
long timestamp = System.currentTimeMillis();
String fileName = "";
if (context.containsKey("localNode")) {
DiscoveryNode localNode = (DiscoveryNode) context.get("localNode");
if (localNode.name() != null) {
fileName += localNode.name() + "-";
}
fileName += localNode.id() + "-";
}
File file = new File(dumpLocation, fileName + cause + "-" + timestamp);
FileSystemUtils.mkdirs(file);
SimpleDump dump;
try {
dump = new SimpleDump(System.currentTimeMillis(), cause, context, file);
} catch (FileNotFoundException e) {
throw new DumpGenerationFailedException("Failed to generate dump", e);
}
ArrayList failedContributors = new ArrayList();
for (String name : contributors) {
DumpContributor contributor = this.contributors.get(name);
if (contributor == null) {
failedContributors.add(new DumpContributionFailedException(name, "No contributor"));
continue;
}
try {
contributor.contribute(dump);
} catch (DumpContributionFailedException e) {
failedContributors.add(e);
} catch (Exception e) {
failedContributors.add(new DumpContributionFailedException(contributor.getName(), "Failed", e));
}
}
dump.finish();
return new Result(file, failedContributors);
}
}