/*************************************************************************
* Copyright 2009-2012 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
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* 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.vm;
import javax.annotation.Nullable;
import org.apache.log4j.Logger;
import com.eucalyptus.auth.Accounts;
import com.eucalyptus.auth.AuthException;
import com.eucalyptus.component.Topology;
import com.eucalyptus.component.id.Eucalyptus;
import com.eucalyptus.compute.common.DeleteResourceTag;
import com.eucalyptus.compute.common.ResourceTag;
import com.eucalyptus.compute.common.ResourceTagMessage;
import com.eucalyptus.compute.common.internal.vm.MigrationState;
import com.eucalyptus.compute.common.internal.vm.VmInstance;
import com.eucalyptus.compute.common.internal.vm.VmMigrationTask;
import com.eucalyptus.util.async.AsyncRequests;
import com.google.common.base.Predicate;
import com.google.common.base.Strings;
import com.eucalyptus.compute.common.backend.CreateTagsType;
import com.eucalyptus.compute.common.backend.DeleteTagsType;
enum MigrationTags implements Predicate<VmInstance> {
STATE,
SOURCE,
DESTINATION;
private static Logger LOG = Logger.getLogger( MigrationTags.class );
public String toString( ) {
return "euca:node:migration:" + this.name( ).toLowerCase( );
}
public static void deleteFor( final VmInstance vm ) {
final DeleteTagsType deleteTags = new DeleteTagsType( );
deleteTags.getTagSet( ).add( MigrationTags.STATE.deleteTag( ) );
deleteTags.getTagSet( ).add( MigrationTags.SOURCE.deleteTag( ) );
deleteTags.getTagSet( ).add( MigrationTags.DESTINATION.deleteTag( ) );
deleteTags.getResourcesSet( ).add( vm.getInstanceId( ) );
try {
deleteTags.setUserId( Accounts.lookupSystemAdmin( ).getUserId( ) );
deleteTags.markPrivileged( );
} catch ( AuthException ex ) {
LOG.error( ex );
}
dispatch( deleteTags );
}
private static void dispatch( final ResourceTagMessage tagMessage ) {
try {
AsyncRequests.dispatch( Topology.lookup( Eucalyptus.class ), tagMessage );
} catch ( Exception ex ) {
LOG.trace( ex );
}
}
public static void createFor( final VmInstance vm ) {
final VmMigrationTask migrationTask = vm.getRuntimeState( ).getMigrationTask( );
final CreateTagsType createTags = new CreateTagsType( );
createTags.getTagSet( ).add( MigrationTags.STATE.getTag( migrationTask.getState( ).name( ) ) );
if ( !Strings.isNullOrEmpty( migrationTask.getSourceHost( ) ) ) {
createTags.getTagSet( ).add( MigrationTags.SOURCE.getTag( migrationTask.getSourceHost( ) ) );
}
if ( !Strings.isNullOrEmpty( migrationTask.getDestinationHost( ) ) ) {
createTags.getTagSet( ).add( MigrationTags.DESTINATION.getTag( migrationTask.getDestinationHost( ) ) );
}
createTags.getResourcesSet( ).add( vm.getInstanceId( ) );
try {
createTags.setUserId( Accounts.lookupSystemAdmin( ).getUserId( ) );
createTags.markPrivileged( );
} catch ( AuthException ex ) {
LOG.error( ex );
}
dispatch( createTags );
}
ResourceTag getTag( String value ) {
return new ResourceTag( this.toString( ), value );
}
private DeleteResourceTag deleteTag( ) {
DeleteResourceTag rsrcTag = new DeleteResourceTag( );
rsrcTag.setKey( this.toString( ) );
return rsrcTag;
}
@Override
public boolean apply( @Nullable VmInstance input ) {
VmMigrationTask task = input.getRuntimeState( ).getMigrationTask( );
if ( MigrationState.none.equals( task.getState( ) ) ) {
MigrationTags.deleteFor( input );
} else {
MigrationTags.createFor( input );
}
return true;
}
public static void update( VmInstance input ) {
SOURCE.apply( input );
}
}