/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.huahinframework.manager.rest.service;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.yarn.api.ClientRMProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesResponse;
import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.NodeReport;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.ipc.YarnRPC;
import org.apache.hadoop.yarn.util.Times;
import org.huahinframework.manager.response.Response;
import org.json.JSONArray;
import org.json.JSONObject;
/**
*
*/
@Path("/application")
public class ApplicationService extends Service {
private static final Log log = LogFactory.getLog(ApplicationService.class);
private static final String APPLICATION_ID = "ApplicationID";
private ClientRMProtocol applicationsManager;
private RecordFactory recordFactory;
@Path("/list")
@GET
@Produces(MediaType.APPLICATION_JSON)
public JSONObject list() {
JSONObject jsonObject = new JSONObject();
try {
GetAllApplicationsRequest request = recordFactory.newRecordInstance(GetAllApplicationsRequest.class);
GetAllApplicationsResponse response = applicationsManager.getAllApplications(request);
JSONObject appObject = new JSONObject();
List<JSONObject> apps = new ArrayList<JSONObject>();
for (ApplicationReport ar : response.getApplicationList()) {
JSONObject app = new JSONObject();
app.put(Response.ID, ar.getApplicationId().toString());
app.put(Response.USER, ar.getUser());
app.put(Response.NAME, ar.getName());
app.put(Response.QUEUE, ar.getQueue());
YarnApplicationState state = ar.getYarnApplicationState();
app.put(Response.STATE, state);
app.put(Response.FINAL_STATUS, ar.getFinalApplicationStatus().name());
String trackingUrl = ar.getTrackingUrl();
boolean trackingUrlIsNotReady =
trackingUrl == null || trackingUrl.isEmpty() ||
YarnApplicationState.NEW == state || YarnApplicationState.SUBMITTED == state ||
YarnApplicationState.ACCEPTED == state;
String trackingUI =
trackingUrlIsNotReady ?
"UNASSIGNED" : (ar.getFinishTime() == 0 ? "ApplicationMaster" : "History");
app.put(Response.TRACKING_UI, trackingUI);
app.put(Response.TRACKING_URL, trackingUrl);
app.put(Response.DIAGNOSTICS, ar.getDiagnostics());
app.put(Response.START_TIME, new Date(ar.getStartTime()));
app.put(Response.FINISHED_TIME, ar.getFinishTime() == 0 ? "" : new Date(ar.getFinishTime()));
app.put(Response.ELAPSED_TIME, (Times.elapsed(ar.getStartTime(), ar.getFinishTime()) / 1000) + "sec");
apps.add(app);
}
appObject.put(Response.APP, new JSONArray(apps));
jsonObject.put(Response.APPS, appObject);
} catch (Exception e) {
e.printStackTrace();
log.error(e);
Map<String, String> status = new HashMap<String, String>();
status.put(Response.STATUS, e.getMessage());
jsonObject = new JSONObject(status);
}
return jsonObject;
}
@Path("/cluster")
@GET
@Produces(MediaType.APPLICATION_JSON)
public JSONObject getCluster() {
JSONObject jsonObject = new JSONObject();
try {
GetClusterMetricsRequest metricsRequest = recordFactory.newRecordInstance(GetClusterMetricsRequest.class);
GetClusterMetricsResponse metricsResponse = applicationsManager.getClusterMetrics(metricsRequest);
jsonObject.put(Response.NUM_NODE_MANAGERS, metricsResponse.getClusterMetrics().getNumNodeManagers());
GetClusterNodesRequest nodeRequest = recordFactory.newRecordInstance(GetClusterNodesRequest.class);
GetClusterNodesResponse nodeResponse = applicationsManager.getClusterNodes(nodeRequest);
List<JSONObject> reports = new ArrayList<JSONObject>();
for (NodeReport report : nodeResponse.getNodeReports()) {
JSONObject nr = new JSONObject();
nr.put(Response.HTTP_ADDRESS, report.getHttpAddress());
nr.put(Response.NUM_CONTAINERS, report.getNumContainers());
nr.put(Response.RACK_NAME, report.getRackName());
nr.put(Response.CAPABILITY, report.getCapability().getMemory());
nr.put(Response.HEALTH_REPORT, report.getNodeHealthStatus().getHealthReport());
nr.put(Response.IS_NODE_HEALTHY, report.getNodeHealthStatus().getIsNodeHealthy());
nr.put(Response.LAST_HEALTH_REPORT_TIME,
new Date(report.getNodeHealthStatus().getLastHealthReportTime()));
nr.put(Response.NODE_ID, report.getNodeId());
nr.put(Response.NODE_STATE, report.getNodeState());
nr.put(Response.NODE_STATE, report.getNodeState());
nr.put(Response.USED, report.getUsed());
reports.add(nr);
}
jsonObject.put(Response.NODES, reports);
} catch (Exception e) {
e.printStackTrace();
log.error(e);
Map<String, String> status = new HashMap<String, String>();
status.put(Response.STATUS, e.getMessage());
jsonObject = new JSONObject(status);
}
return jsonObject;
}
@Path("/kill/{" + APPLICATION_ID + "}")
@DELETE
@Produces(MediaType.APPLICATION_JSON)
public JSONObject kill(@PathParam(APPLICATION_ID) String applicationId) {
Map<String, String> status = new HashMap<String, String>();
try {
GetAllApplicationsRequest getRequest = recordFactory.newRecordInstance(GetAllApplicationsRequest.class);
GetAllApplicationsResponse getResponse = applicationsManager.getAllApplications(getRequest);
for (ApplicationReport ar : getResponse.getApplicationList()) {
if (ar.getApplicationId().toString().equals(applicationId)) {
KillApplicationRequest killRequest = recordFactory.newRecordInstance(KillApplicationRequest.class);
killRequest.setApplicationId(ar.getApplicationId());
applicationsManager.forceKillApplication(killRequest);
status.put(Response.STATUS, "Killed application " + applicationId);
break;
}
}
} catch (Exception e) {
e.printStackTrace();
log.error(e);
status.put(Response.STATUS, e.getMessage());
}
if (status.isEmpty()) {
status.put(Response.STATUS, "Could not find application " + applicationId);
}
return new JSONObject(status);
}
/**
* init
*/
public void init() {
YarnRPC rpc = YarnRPC.create(getJobConf());
YarnConfiguration yarnConf = new YarnConfiguration(getJobConf());
InetSocketAddress rmAddress =
NetUtils.createSocketAddr(yarnConf.get(YarnConfiguration.RM_ADDRESS,
YarnConfiguration.DEFAULT_RM_ADDRESS));
applicationsManager =
((ClientRMProtocol) rpc.getProxy(ClientRMProtocol.class, rmAddress, yarnConf));
recordFactory = RecordFactoryProvider.getRecordFactory(yarnConf);
}
}