/*************************************************************************
* Copyright 2009-2013 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
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* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
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package com.eucalyptus.cluster.proxy.config;
import java.util.NoSuchElementException;
import com.eucalyptus.cluster.common.internal.Cluster;
import com.eucalyptus.cluster.common.internal.ClusterRegistry;
import com.eucalyptus.cluster.proxy.ProxyClusterController;
import com.eucalyptus.component.*;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.Handles;
import com.eucalyptus.component.annotation.ComponentPart;
import com.eucalyptus.cluster.proxy.config.DeregisterClusterType;
import com.eucalyptus.cluster.proxy.config.DescribeClustersType;
import com.eucalyptus.cluster.proxy.config.ModifyClusterAttributeType;
import com.eucalyptus.cluster.proxy.config.RegisterClusterType;
import com.eucalyptus.records.EventRecord;
import com.eucalyptus.records.EventType;
import com.eucalyptus.records.Logs;
@ComponentPart( ProxyClusterController.class )
@Handles( { RegisterClusterType.class,
DeregisterClusterType.class,
DescribeClustersType.class,
ModifyClusterAttributeType.class } )
public class ProxyClusterServiceBuilder extends AbstractServiceBuilder<ClusterConfiguration> {
static Logger LOG = Logger.getLogger( ProxyClusterServiceBuilder.class );
@Override
public boolean checkAdd( final String partition, final String name, final String host, final Integer port ) throws ServiceRegistrationException {
try {
final Partition part = Partitions.lookup( this.newInstance( partition, name, host, port ) );
part.syncKeysToDisk( );
} catch ( final Exception ex ) {
Logs.extreme( ).error( ex, ex );
throw new ServiceRegistrationException( String.format( "Unexpected error caused cluster registration to fail for: partition=%s name=%s host=%s port=%d",
partition, name, host, port ), ex );
}
return super.checkAdd( partition, name, host, port );
}
@Override
public ClusterConfiguration newInstance( ) {
return new ClusterConfiguration( );
}
@Override
public ClusterConfiguration newInstance( final String partition, final String name, final String host, final Integer port ) {
return new ClusterConfiguration( partition, name, host, port );
}
@Override
public ComponentId getComponentId( ) {
return ComponentIds.lookup( ProxyClusterController.class );
}
@Override
public void fireStart( final ServiceConfiguration config ) throws ServiceRegistrationException {
LOG.info( "Starting cluster: " + config );
EventRecord.here( ProxyClusterServiceBuilder.class, EventType.COMPONENT_SERVICE_START, config.getComponentId( ).name( ), config.getName( ),
ServiceUris.remote( config ).toASCIIString( ) ).info( );
try {
if ( !ClusterRegistry.getInstance( ).contains( config.getName( ) ) ) {
final Cluster newCluster = new Cluster( config );
newCluster.start( );
} else {
try {
final Cluster newCluster = ClusterRegistry.getInstance( ).lookupDisabled( config.getName( ) );
ClusterRegistry.getInstance( ).deregister( config.getName( ) );
newCluster.start( );
} catch ( final NoSuchElementException ex ) {
final Cluster newCluster = ClusterRegistry.getInstance( ).lookup( config.getName( ) );
ClusterRegistry.getInstance( ).deregister( config.getName( ) );
newCluster.start( );
}
}
} catch ( final NoSuchElementException ex ) {
LOG.error( ex, ex );
}
}
@Override
public void fireEnable( final ServiceConfiguration config ) throws ServiceRegistrationException {
LOG.info( "Enabling cluster: " + config );
EventRecord.here( ProxyClusterServiceBuilder.class, EventType.COMPONENT_SERVICE_ENABLED, config.getComponentId( ).name( ), config.getName( ),
ServiceUris.remote( config ).toASCIIString( ) ).info( );
Cluster newCluster = null;
try {
try {
newCluster = ClusterRegistry.getInstance( ).lookupDisabled( config.getName( ) );
newCluster.enable( );
} catch ( final NoSuchElementException ex ) {
newCluster = ClusterRegistry.getInstance().lookup( config.getName() );
newCluster.enable( );
}
} catch ( final Exception ex ) {
LOG.error( ex );
if ( newCluster != null ) {
newCluster.cleanup( ex );
throw ex;
}
}
}
@Override
public void fireDisable( final ServiceConfiguration config ) throws ServiceRegistrationException {
LOG.info( "Disabling cluster: " + config );
EventRecord.here( ProxyClusterServiceBuilder.class, EventType.COMPONENT_SERVICE_DISABLED, config.getComponentId( ).name( ), config.getName( ),
ServiceUris.remote( config ).toASCIIString( ) ).info( );
try {
if ( ClusterRegistry.getInstance( ).contains( config.getName( ) ) ) {
try {
final Cluster newCluster = ClusterRegistry.getInstance( ).lookup( config.getName( ) );
newCluster.disable( );
} catch ( final NoSuchElementException ex ) {
final Cluster newCluster = ClusterRegistry.getInstance( ).lookupDisabled( config.getName( ) );
newCluster.disable( );
}
}
} catch ( final NoSuchElementException ex ) {
LOG.error( ex, ex );
}
}
@Override
public void fireStop( final ServiceConfiguration config ) throws ServiceRegistrationException {
try {
LOG.info( "Tearing down cluster: " + config );
final Cluster cluster = ClusterRegistry.getInstance( ).lookupDisabled( config.getName( ) );
EventRecord.here( ProxyClusterServiceBuilder.class, EventType.COMPONENT_SERVICE_STOPPED, config.getComponentId( ).name( ), config.getName( ),
ServiceUris.remote( config ).toASCIIString( ) ).info( );
cluster.stop( );
} catch ( final NoSuchElementException ex ) {
LOG.error( ex, ex );
} catch ( final Exception ex ) {
LOG.error( ex, ex );
}
}
@Override
public void fireCheck( final ServiceConfiguration config ) throws ServiceRegistrationException {
Cluster cluster;
try {
cluster = ClusterRegistry.getInstance( ).lookup( config.getName( ) );
} catch ( final NoSuchElementException ex ) {
cluster = ClusterRegistry.getInstance( ).lookupDisabled( config.getName( ) );
}
try {
try {
cluster.check();
} catch ( final NoSuchElementException ex ) {
throw Faults.failure( config, ex );
} catch ( final IllegalStateException ex ) {
Logs.exhaust( ).error( ex, ex );
throw Faults.failure( config, ex );
} catch ( final Exception ex ) {
Logs.exhaust( ).error( ex, ex );
throw Faults.failure( config, ex );
}
} catch ( Faults.CheckException e ) {
cluster.cleanup( e );
throw e;
}
}
}