/*************************************************************************
* Copyright 2009-2015 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.
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* Redistribution and use of this software in source and binary forms,
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* distribution.
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* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.compute.conversion;
import static com.eucalyptus.auth.policy.PolicySpec.EC2_IMPORTINSTANCE;
import static com.eucalyptus.auth.policy.PolicySpec.EC2_IMPORTVOLUME;
import static com.eucalyptus.auth.policy.PolicySpec.EC2_CANCELCONVERSIONTASK;
import static com.eucalyptus.auth.policy.PolicySpec.EC2_DESCRIBECONVERSIONTASKS;
import static com.eucalyptus.auth.policy.PolicySpec.EC2_RESOURCE_INSTANCE;
import static com.eucalyptus.auth.policy.PolicySpec.EC2_RESOURCE_VOLUME;
import static com.eucalyptus.auth.policy.PolicySpec.VENDOR_EC2;
import java.util.Collection;
import java.util.NoSuchElementException;
import org.apache.log4j.Logger;
import com.eucalyptus.auth.Permissions;
import com.eucalyptus.auth.principal.AccountFullName;
import com.eucalyptus.bootstrap.Bootstrap;
import com.eucalyptus.component.Topology;
import com.eucalyptus.component.annotation.ComponentNamed;
import com.eucalyptus.compute.common.ConversionTask;
import com.eucalyptus.compute.common.backend.CancelConversionTaskResponseType;
import com.eucalyptus.compute.common.backend.CancelConversionTaskType;
import com.eucalyptus.compute.common.backend.DescribeConversionTasksResponseType;
import com.eucalyptus.compute.common.backend.DescribeConversionTasksType;
import com.eucalyptus.compute.common.backend.ImportInstanceResponseType;
import com.eucalyptus.compute.common.backend.ImportInstanceType;
import com.eucalyptus.compute.common.backend.ImportVolumeResponseType;
import com.eucalyptus.compute.common.backend.ImportVolumeType;
import com.eucalyptus.context.Context;
import com.eucalyptus.context.Contexts;
import com.eucalyptus.imaging.backend.ImagingServiceException;
import com.eucalyptus.imaging.backend.ImagingTask;
import com.eucalyptus.imaging.backend.ImagingTasks;
import com.eucalyptus.imaging.backend.ImportInstanceImagingTask;
import com.eucalyptus.imaging.backend.ImportTaskState;
import com.eucalyptus.imaging.backend.ImportVolumeImagingTask;
import com.eucalyptus.imaging.backend.VolumeImagingTask;
import com.eucalyptus.imaging.common.Imaging;
import com.eucalyptus.imaging.common.ImagingBackend;
import com.eucalyptus.util.RestrictedTypes;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import java.util.Collections;
@ComponentNamed("computeImportManager")
public class ImportManager {
private static Logger LOG = Logger.getLogger( ImportManager.class );
/**
* <ol>
* <li>Persist import instance request state
* </ol>
*/
public ImportInstanceResponseType ImportInstance( final ImportInstanceType request ) throws Exception {
final ImportInstanceResponseType reply = request.getReply( );
final Context context = Contexts.lookup( );
checkServices();
try{
if (! Permissions.isAuthorized(
VENDOR_EC2,
EC2_RESOURCE_INSTANCE,
"",
null,
EC2_IMPORTINSTANCE,
context.getAuthContext() ) ) {
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to import instance." );
}
}catch(final ImagingServiceException ex){
throw ex;
}catch(final Exception ex){
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to import instance." );
}
ImportInstanceImagingTask task = null;
try{
task = ImagingTasks.createImportInstanceTask(request);
}catch(final ImagingServiceException ex){
throw ex;
}catch(final Exception ex){
LOG.error("Failed to import instance", ex);
throw new ImagingServiceException("Failed to import instance", ex);
}
reply.setConversionTask(task.getTask());
reply.set_return(true);
return reply;
}
private static void checkServices() throws ImagingServiceException {
if( !Bootstrap.isFinished()
|| !Topology.isEnabled( Imaging.class)
|| !Topology.isEnabled( ImagingBackend.class) )
throw new ImagingServiceException(ImagingServiceException.INTERNAL_SERVER_ERROR,
"For import, Imaging service should be enabled. Please contact your cloud administrator.");
}
/**
* <ol>
* <li>Persist import volume request state
* </ol>
*/
public static ImportVolumeResponseType ImportVolume( ImportVolumeType request ) throws Exception {
final ImportVolumeResponseType reply = request.getReply( );
final Context context = Contexts.lookup( );
checkServices();
try{
if (! Permissions.isAuthorized(
VENDOR_EC2,
EC2_RESOURCE_VOLUME,
"",
null,
EC2_IMPORTVOLUME,
context.getAuthContext() ) ) {
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to import volume." );
}
}catch(final ImagingServiceException ex){
throw ex;
}catch(final Exception ex){
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to import volume." );
}
ImportVolumeImagingTask task = null;
try{
task = ImagingTasks.createImportVolumeTask(request);
}catch(final ImagingServiceException ex){
throw ex;
}catch(final Exception ex){
LOG.error("Failed to import volume", ex);
throw new ImagingServiceException("Failed to import volume", ex);
}
reply.setConversionTask(task.getTask());
reply.set_return(true);
return reply;
}
/**
* <ol>
* <li>Persist cancellation request state
* <li>Submit cancellations for any outstanding import sub-tasks to imaging service
* </ol>
*/
public CancelConversionTaskResponseType CancelConversionTask( CancelConversionTaskType request ) throws Exception {
final CancelConversionTaskResponseType reply = request.getReply( );
final Context context = Contexts.lookup( );
try{
if (! Permissions.isAuthorized(
VENDOR_EC2,
EC2_RESOURCE_VOLUME,
"",
null,
EC2_CANCELCONVERSIONTASK,
context.getAuthContext() ) ) {
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to cancel conversion task." );
}
}catch(final ImagingServiceException ex){
throw ex;
}catch(final Exception ex){
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to cancel conversion task." );
}
try{
final ImagingTask task = ImagingTasks.lookup(request.getConversionTaskId());
final ImportTaskState state = task.getState();
if(state.equals(ImportTaskState.NEW) ||
state.equals(ImportTaskState.PENDING) ||
state.equals(ImportTaskState.CONVERTING) ||
state.equals(ImportTaskState.INSTANTIATING) ) {
ImagingTasks.setState(AccountFullName.getInstance(Contexts.lookup().getAccountNumber()), request.getConversionTaskId(),
ImportTaskState.CANCELLING, ImportTaskState.STATE_MSG_USER_CANCELLATION);
}
reply.set_return(true);
}catch(final NoSuchElementException ex){
throw new ImagingServiceException(ImagingServiceException.DEFAULT_CODE, "Conversion task not found");
}catch(final Exception ex){
throw new ImagingServiceException(ImagingServiceException.INTERNAL_SERVER_ERROR, "Failed to cancel conversion task", ex);
}
return reply;
}
/**
* <ol>
* <li>Describe import tasks from persisted state
* </ol>
*/
public DescribeConversionTasksResponseType DescribeConversionTasks( DescribeConversionTasksType request ) throws Exception {
DescribeConversionTasksResponseType reply = request.getReply( );
Context ctx = Contexts.lookup( );
boolean verbose = request.getConversionTaskIdSet( ).remove( "verbose" );
Collection<String> ownerInfo = ( ctx.isAdministrator( ) && verbose )
? Collections.<String> emptyList( )
: Collections.singleton( ctx.getAccount( ).getAccountNumber( ) );
try{
if (! Permissions.isAuthorized(
VENDOR_EC2,
EC2_RESOURCE_VOLUME,
"",
null,
EC2_DESCRIBECONVERSIONTASKS,
ctx.getAuthContext() ) ) {
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to describe conversion tasks." );
}
}catch(final ImagingServiceException ex){
throw ex;
}catch(final Exception ex){
throw new ImagingServiceException( ImagingServiceException.DEFAULT_CODE, "Not authorized to describe conversion tasks." );
}
final Predicate<? super VolumeImagingTask> requestedAndAccessible = RestrictedTypes.filteringFor( VolumeImagingTask.class )
.byId( request.getConversionTaskIdSet( ) )
.byOwningAccount( ownerInfo )
.byPrivileges()
.buildPredicate( );
Iterable<VolumeImagingTask> tasksToList =
ImagingTasks.getVolumeImagingTasks();
for ( VolumeImagingTask task : Iterables.filter( tasksToList, requestedAndAccessible ) ) {
ConversionTask t = task.getTask( );
reply.getConversionTasks().add( t );
}
return reply;
}
}