/**
* 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.resourcemanager.webapp;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.ClusterInfo;
import org.apache.hadoop.yarn.util.Times;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import org.apache.hadoop.yarn.webapp.view.InfoBlock;
import com.google.inject.Inject;
public class AboutBlock extends HtmlBlock {
final ResourceManager rm;
@Inject
AboutBlock(ResourceManager rm, ViewContext ctx) {
super(ctx);
this.rm = rm;
}
@Override
protected void render(Block html) {
html._(MetricsOverviewTable.class);
ResourceManager rm = getInstance(ResourceManager.class);
ClusterInfo cinfo = new ClusterInfo(rm);
info("集群总览").
_("集群 ID:", cinfo.getClusterId()).
_("资源管理器状态:", cinfo.getState()).
_("资源管理器HA 状态:", cinfo.getHAState()).
_("资源管理器HA zookeeper连接状态:",
cinfo.getHAZookeeperConnectionState()).
_("资源管理器 RMStateStore:", cinfo.getRMStateStore()).
_("资源管理器启动时间:", Times.format(cinfo.getStartedOn())).
_("资源管理器版本:", cinfo.getRMBuildVersion() +
" on " + cinfo.getRMVersionBuiltOn()).
_("Hadoop版本:", cinfo.getHadoopBuildVersion() +
" on " + cinfo.getHadoopVersionBuiltOn());
html._(InfoBlock.class);
}
}