/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, only version 3 of the License.
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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
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* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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*******************************************************************************/
/**
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.cluster;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.NavigableSet;
import java.util.concurrent.ConcurrentNavigableMap;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.ThreadFactory;
import org.apache.log4j.Logger;
import com.eucalyptus.auth.Authentication;
import com.eucalyptus.auth.ClusterCredentials;
import com.eucalyptus.config.ClusterConfiguration;
import com.eucalyptus.entities.EntityWrapper;
import com.eucalyptus.util.EucalyptusCloudException;
import com.eucalyptus.util.HasName;
import edu.ucsb.eucalyptus.cloud.NodeInfo;
import edu.ucsb.eucalyptus.msgs.RegisterClusterType;
public class Cluster implements HasName<Cluster> {
private static Logger LOG = Logger.getLogger( Cluster.class );
private ClusterMessageQueue mq;
private ClusterConfiguration configuration;
private ThreadFactory threadFactory;
private ConcurrentNavigableMap<String, NodeInfo> nodeMap;
private ClusterState state;
private ClusterNodeState nodeState;
private final ClusterCredentials credentials;
public Cluster( ClusterConfiguration configuration, ClusterCredentials credentials ) {
super( );
this.configuration = configuration;
this.state = new ClusterState( configuration.getName( ) );
this.nodeState = new ClusterNodeState( configuration.getName( ) );
this.nodeMap = new ConcurrentSkipListMap<String, NodeInfo>( );
this.credentials = credentials;
this.mq = new ClusterMessageQueue( configuration.getName( ) );
this.threadFactory = ClusterThreadFactory.getThreadFactory( this.configuration.getName( ) );
}
public ClusterCredentials getCredentials( ) {
return this.credentials;
}
@Override
public String getName( ) {
return this.configuration.getName( );
}
public NavigableSet<String> getNodeTags( ) {
return this.nodeMap.navigableKeySet( );
}
public NodeInfo getNode( String serviceTag ) {
return this.nodeMap.get( serviceTag );
}
public void updateNodeInfo( List<String> nodeTags ) {
NodeInfo ret = null;
for ( String tag : nodeTags )
if ( ( ret = this.nodeMap.putIfAbsent( tag, new NodeInfo( tag ) ) ) != null ) ret.touch( );
}
@Override
public int compareTo( Cluster that ) {
return this.getName( ).compareTo( that.getName( ) );
}
public ClusterConfiguration getConfiguration( ) {
return configuration;
}
public RegisterClusterType getWeb( ) {
String host = this.getConfiguration( ).getHostName( );
int port = 0;
try {
URI uri = new URI( this.getConfiguration( ).getUri( ) );
host = uri.getHost( );
port = uri.getPort( );
} catch ( URISyntaxException e ) {}
return new RegisterClusterType( this.getName( ), host, port );
}
public ClusterMessageQueue getMessageQueue( ) {
return this.mq;
}
public ClusterState getState( ) {
return state;
}
public ClusterNodeState getNodeState( ) {
return nodeState;
}
public void start( ) {
this.mq.start( );
}
public void stop( ) {
this.mq.stop( );
}
@Override
public int hashCode( ) {
final int prime = 31;
int result = 1;
result = prime * result + ( ( configuration == null ) ? 0 : configuration.hashCode( ) );
result = prime * result + ( ( state == null ) ? 0 : state.hashCode( ) );
return result;
}
@Override
public boolean equals( Object obj ) {
if ( this == obj ) return true;
if ( obj == null ) return false;
if ( getClass( ) != obj.getClass( ) ) return false;
Cluster other = ( Cluster ) obj;
if ( configuration == null ) {
if ( other.configuration != null ) return false;
} else if ( !configuration.equals( other.configuration ) ) return false;
if ( state == null ) {
if ( other.state != null ) return false;
} else if ( !state.equals( other.state ) ) return false;
return true;
}
public String getUri( ) {
return configuration.getUri( );
}
public String getHostName( ) {
return this.configuration.getHostName( );
}
public String getInsecureServicePath( ) {
return this.configuration.getInsecureServicePath( );
}
public Integer getPort( ) {
return this.configuration.getPort( );
}
public String getServicePath( ) {
return this.configuration.getServicePath( );
}
public ThreadFactory getThreadFactory( ) {
return this.threadFactory;
}
@Override
public String toString( ) {
return String.format( "Cluster [configuration=%s, credentials=%s, mq=%s, nodeMap=%s, nodeState=%s, state=%s]", this.configuration, this.credentials,
this.mq, this.nodeMap, this.nodeState, this.state );
}
}