/*
* 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.chukwa.inputtools.plugin.nodeactivity;
import org.apache.hadoop.chukwa.inputtools.mdl.DataConfig;
import org.apache.hadoop.chukwa.inputtools.plugin.ExecPlugin;
import org.apache.hadoop.chukwa.inputtools.plugin.IPlugin;
import org.json.JSONObject;
public class NodeActivityPlugin extends ExecPlugin
{
private String cmde = null;
private DataConfig dataConfig = null;
public NodeActivityPlugin()
{
dataConfig = new DataConfig();
cmde = dataConfig.get("mdl.plugin.NodeActivityPlugin.cmde");
}
@Override
public String getCmde()
{
return cmde;
}
@Override
public JSONObject postProcess(JSONObject execResult)
{
try
{
if (execResult.getInt("status") < 0)
{
return execResult;
}
String res = execResult.getString("stdout");
String[] tab = res.split("\n");
int totalFreeNode = 0;
int totalUsedNode = 0;
int totalDownNode = 0;
for(int i=0;i<tab.length;i++)
{
if (tab[i].indexOf("state =") <0)
{
tab[i] = null;
continue;
}
String[] line = tab[i].split("state =");
tab[i] = null;
if (line[1].trim().equals("free"))
{
totalFreeNode ++;
}
else if (line[1].trim().equals("job-exclusive"))
{
totalUsedNode ++;
}
else
{
totalDownNode ++;
}
}
execResult.put("totalFreeNode", totalFreeNode);
execResult.put("totalUsedNode", totalUsedNode);
execResult.put("totalDownNode", totalDownNode);
execResult.put("source", "NodeActivity");
execResult.put("status", 100);
} catch (Throwable e)
{
try
{
execResult.put("source", "NodeActivity");
execResult.put("status", -100);
execResult.put("errorLog",e.getMessage());
}
catch(Exception e1) { e1.printStackTrace();}
e.printStackTrace();
}
return execResult;
}
public static void main(String[] args)
{
IPlugin plugin = new NodeActivityPlugin();
JSONObject result = plugin.execute();
System.out.print("Result: " + result);
}
}