net.roboconf.agent.monitoring.internal.nagios.NagiosHandler Maven / Gradle / Ivy
/**
* Copyright 2014-2015 Linagora, Université Joseph Fourier, Floralis
*
* The present code is developed in the scope of the joint LINAGORA -
* Université Joseph Fourier - Floralis research program and is designated
* as a "Result" pursuant to the terms and conditions of the LINAGORA
* - Université Joseph Fourier - Floralis research program. Each copyright
* holder of Results enumerated here above fully & independently holds complete
* ownership of the complete Intellectual Property rights applicable to the whole
* of said Results, and may freely exploit it in any manner which does not infringe
* the moral rights of the other copyright holders.
*
* Licensed 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 net.roboconf.agent.monitoring.internal.nagios;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.Map;
import java.util.logging.Logger;
import net.roboconf.agent.monitoring.internal.MonitoringHandler;
import net.roboconf.core.utils.Utils;
import net.roboconf.messaging.messages.from_agent_to_dm.MsgNotifAutonomic;
/**
* Handler to check Nagios (polling).
* @author Pierre-Yves Gibello - Linagora
*/
public class NagiosHandler extends MonitoringHandler {
static final String NAGIOS_CONFIG = "nagios configuration at";
private final Logger logger = Logger.getLogger( getClass().getName());
private String nagiosInstructions, host;
private int port = -1;
/**
* Constructor.
* @param eventId
* @param applicationName
* @param vmInstanceName
* @param fileContent
*/
public NagiosHandler( String eventName, String applicationName, String vmInstanceName, String fileContent ) {
super( eventName, applicationName, vmInstanceName );
this.nagiosInstructions = fileContent.trim();
if( this.nagiosInstructions.toLowerCase().startsWith( NAGIOS_CONFIG )) {
String nagiosConfig = this.nagiosInstructions.substring( NAGIOS_CONFIG.length());
this.nagiosInstructions = "";
int pos = nagiosConfig.indexOf( '\n' );
if( pos > 0 ) {
this.nagiosInstructions = nagiosConfig.substring( pos ).trim();
nagiosConfig = nagiosConfig.substring( 0, pos ).trim();
}
Map.Entry entry = Utils.findUrlAndPort( nagiosConfig );
this.host = entry.getKey();
this.port = entry.getValue();
}
}
/*
* (non-Javadoc)
* @see net.roboconf.agent.monitoring.internal.MonitoringHandler
* #process()
*/
@Override
public MsgNotifAutonomic process() {
LiveStatusClient client = new LiveStatusClient( this.host, this.port );
MsgNotifAutonomic result = null;
try {
String liveStatusResponse = client.queryLivestatus( this.nagiosInstructions );
result = new MsgNotifAutonomic(
this.applicationName,
this.vmInstanceName,
this.eventId,
liveStatusResponse );
} catch( UnknownHostException e ) {
this.logger.warning( "Uknown host exception. " + e.getMessage());
Utils.logException( this.logger, e );
} catch( IOException e ) {
this.logger.warning( "I/O exception. " + e.getMessage());
Utils.logException( this.logger, e );
}
return result;
}
/**
* @return the nagiosInstructions
*/
public String getNagiosInstructions() {
return this.nagiosInstructions;
}
/**
* @return the host
*/
public String getHost() {
return this.host;
}
/**
* @return the port
*/
public int getPort() {
return this.port;
}
/**
* @param host the host to set
*/
void setHost( String host ) {
this.host = host;
}
/**
* @param port the port to set
*/
void setPort( int port ) {
this.port = port;
}
}