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* Licensed to Elasticsearch 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.hadoop.yarn.client;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.client.api.YarnClient;
import org.apache.hadoop.yarn.client.api.YarnClientApplication;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.elasticsearch.hadoop.yarn.EsYarnException;
import org.elasticsearch.hadoop.yarn.util.YarnUtils;
public class ClientRpc implements AutoCloseable {
private static final Set<String> ES_TYPE = Collections.singleton("ELASTICSEARCH");
private static final EnumSet<YarnApplicationState> ALIVE = EnumSet.range(YarnApplicationState.NEW, YarnApplicationState.RUNNING);
private YarnClient client;
private final Configuration cfg;
public ClientRpc(Configuration cfg) {
this.cfg = new YarnConfiguration(cfg);
}
public void start() {
if (client != null) {
return;
}
if (UserGroupInformation.isSecurityEnabled()) {
UserGroupInformation.setConfiguration(cfg);
}
client = YarnClient.createYarnClient();
client.init(cfg);
client.start();
}
public YarnClientApplication newApp() {
try {
return client.createApplication();
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public ApplicationId submitApp(ApplicationSubmissionContext appContext) {
try {
return client.submitApplication(appContext);
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public List<ApplicationReport> killEsApps() {
try {
List<ApplicationReport> esApps = client.getApplications(ES_TYPE, ALIVE);
for (ApplicationReport appReport : esApps) {
client.killApplication(appReport.getApplicationId());
}
return esApps;
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public void killApp(String appId) {
try {
client.killApplication(YarnUtils.createAppIdFrom(appId));
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public ApplicationReport getReport(ApplicationId appId) {
try {
return client.getApplicationReport(appId);
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public List<ApplicationReport> listApps() {
try {
return client.getApplications();
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public List<ApplicationReport> listEsClusters() {
try {
return client.getApplications(ES_TYPE);
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public List<ApplicationReport> listEsClustersAlive() {
try {
return client.getApplications(ES_TYPE, ALIVE);
} catch (Exception ex) {
throw new EsYarnException(ex);
}
}
public void waitForApp(ApplicationId appId, long timeout) {
boolean repeat = false;
long start = System.currentTimeMillis();
do {
try {
ApplicationReport appReport = client.getApplicationReport(appId);
YarnApplicationState appState = appReport.getYarnApplicationState();
repeat = (appState != YarnApplicationState.FINISHED && appState != YarnApplicationState.KILLED && appState != YarnApplicationState.FAILED);
if (repeat) {
Thread.sleep(500);
}
} catch (Exception ex) {
throw new EsYarnException(ex);
}
} while (repeat && (System.currentTimeMillis() - start) < timeout);
}
@Override
public void close() {
if (client != null) {
client.stop();
client = null;
}
}
public Configuration getConfiguration() {
return cfg;
}
}