/**
* 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.apache.hadoop.yarn.server.nodemanager.webapp;
import static org.apache.hadoop.yarn.util.StringHelper.join;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.nodemanager.Context;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.hadoop.yarn.webapp.Controller;
import org.apache.hadoop.yarn.webapp.YarnWebParams;
import com.google.inject.Inject;
public class NMController extends Controller implements YarnWebParams {
private Context nmContext;
private Configuration nmConf;
@Inject
public NMController(Configuration nmConf, RequestContext requestContext,
Context nmContext) {
super(requestContext);
this.nmContext = nmContext;
this.nmConf = nmConf;
}
@Override
// TODO: What use of this with info() in?
public void index() {
setTitle(join("NodeManager - ", $(NM_NODENAME)));
}
public void info() {
render(NodePage.class);
}
public void node() {
render(NodePage.class);
}
public void allApplications() {
render(AllApplicationsPage.class);
}
public void allContainers() {
render(AllContainersPage.class);
}
public void application() {
render(ApplicationPage.class);
}
public void container() {
render(ContainerPage.class);
}
public void logs() {
String containerIdStr = $(CONTAINER_ID);
ContainerId containerId = null;
try {
containerId = ConverterUtils.toContainerId(containerIdStr);
} catch (IllegalArgumentException e) {
render(ContainerLogsPage.class);
return;
}
ApplicationId appId =
containerId.getApplicationAttemptId().getApplicationId();
Application app = nmContext.getApplications().get(appId);
if (app == null
&& nmConf.getBoolean(YarnConfiguration.LOG_AGGREGATION_ENABLED,
YarnConfiguration.DEFAULT_LOG_AGGREGATION_ENABLED)) {
String logServerUrl = nmConf.get(YarnConfiguration.YARN_LOG_SERVER_URL);
String redirectUrl = null;
if (logServerUrl == null || logServerUrl.isEmpty()) {
redirectUrl = "false";
} else {
redirectUrl =
url(logServerUrl, nmContext.getNodeId().toString(), containerIdStr,
containerIdStr, $(APP_OWNER));
}
set(ContainerLogsPage.REDIRECT_URL, redirectUrl);
}
render(ContainerLogsPage.class);
}
}