/*************************************************************************
* Copyright 2009-2016 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; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or 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., 6755 Hollister Ave., Goleta
* CA 93117, 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.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
* IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.cloud;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.BootstrapArgs;
import com.eucalyptus.bootstrap.Databases;
import com.eucalyptus.bootstrap.Handles;
import com.eucalyptus.bootstrap.Host;
import com.eucalyptus.bootstrap.Hosts;
import com.eucalyptus.component.AbstractServiceBuilder;
import com.eucalyptus.component.ComponentId;
import com.eucalyptus.component.annotation.ComponentPart;
import com.eucalyptus.component.Faults;
import com.eucalyptus.component.ServiceConfiguration;
import com.eucalyptus.component.ServiceRegistrationException;
import com.eucalyptus.component.Topology;
import com.eucalyptus.component.id.Eucalyptus;
import com.eucalyptus.compute.common.config.DeregisterEucalyptusType;
import com.eucalyptus.compute.common.config.DescribeEucalyptusType;
import com.eucalyptus.compute.common.config.ModifyEucalyptusAttributeType;
import com.eucalyptus.compute.common.config.RegisterEucalyptusType;
import com.eucalyptus.records.EventRecord;
import com.eucalyptus.records.EventType;
import com.eucalyptus.util.Exceptions;
import com.eucalyptus.util.Internets;
import com.google.common.base.Predicate;
@ComponentPart( Eucalyptus.class )
@Handles( { RegisterEucalyptusType.class,
DeregisterEucalyptusType.class,
DescribeEucalyptusType.class,
ModifyEucalyptusAttributeType.class } )
public class EucalyptusBuilder extends AbstractServiceBuilder<EucalyptusConfiguration> {
static Logger LOG = Logger.getLogger( EucalyptusBuilder.class );
@Override
public EucalyptusConfiguration newInstance( ) {
return new EucalyptusConfiguration( );
}
@Override
public EucalyptusConfiguration newInstance( String partition, String name, String host, Integer port ) {
try {
InetAddress.getByName( host );
return new EucalyptusConfiguration( host, host );
} catch ( UnknownHostException e ) {
return new EucalyptusConfiguration( Internets.localHostAddress( ), Internets.localHostAddress( ) );
}
}
@Override
public ComponentId getComponentId( ) {
return Eucalyptus.INSTANCE;
}
@Override
public void fireStart( ServiceConfiguration config ) throws ServiceRegistrationException {}
@Override
public void fireEnable( ServiceConfiguration config ) throws ServiceRegistrationException {
if ( !config.isVmLocal( ) ) {
for ( Host h : Hosts.list( ) ) {
if ( h.getHostAddresses( ).contains( config.getInetAddress( ) ) ) {
EventRecord.here( EucalyptusBuilder.class, EventType.COMPONENT_SERVICE_ENABLED, config.toString( ) ).info( );
return;
}
}
throw Faults.failure( config, Exceptions.error( "There is no host in the system (yet) for the given cloud controller configuration: "
+ config.getFullName( )
+ ".\nHosts are: "
+ Hosts.list( ) ) );
} else if ( config.isVmLocal( ) && !Hosts.isCoordinator( ) ) {
throw Faults.failure( config, Exceptions.error( "This cloud controller "
+ config.getFullName( )
+ " is not currently the coordinator "
+ Hosts.list( ) ) );
}
}
@Override
public void fireDisable( ServiceConfiguration config ) throws ServiceRegistrationException {
}
@Override
public void fireStop( ServiceConfiguration config ) throws ServiceRegistrationException { }
@Override
public void fireCheck( ServiceConfiguration config ) throws ServiceRegistrationException {
Host coordinator = Hosts.getCoordinator( );
if ( coordinator == null ) {
throw Faults.failure( config, Exceptions.error( config.getFullName( ) + ":fireCheck(): failed to lookup coordinator (" + coordinator + ")." ) );
} else if ( coordinator.isLocalHost( ) ) {
Check.COORDINATOR.apply( config );
} else if ( !coordinator.isLocalHost( ) ) {
Check.SECONDARY.apply( config );
}
}
enum Check implements Predicate<ServiceConfiguration> {
COORDINATOR {
@Override
public boolean apply( ServiceConfiguration config ) {
if ( !Databases.isRunning( ) ) {
LOG.fatal( "config.getFullName( )" + " : does not have a running database. Restarting process." );
System.exit(123);
}
return true;
}
},
SECONDARY {
@Override
public boolean apply( ServiceConfiguration config ) {
if ( config.isVmLocal( ) ) {
if ( BootstrapArgs.isCloudController( ) ) {
LOG.fatal( "MULTIPLE CONTROLLERS -- FAIL-STOP FOR UNSUPPORTED TOPOLOGY." );
LOG.fatal( "MULTIPLE CONTROLLERS -- Shutting down secondary CLC." );
System.exit( 1 );
}
if ( Topology.isEnabledLocally( Eucalyptus.class ) ) {
throw Faults.failure( config,
Exceptions.error( config.getFullName( )
+ ":fireCheck(): eucalyptus service " + config.getFullName( ) + " cant be enabled when it is not the coordinator: "
+ Hosts.getCoordinator( ) ) );
} else {
LOG.debug( config.getFullName( ) + ":fireCheck() completed with coordinator currently: " + Hosts.getCoordinator( ) );
}
}
return true;
}
};
@Override
public abstract boolean apply( ServiceConfiguration input );
}
}