| // |
| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| |
| package com.cloud.hypervisor.kvm.resource.wrapper; |
| |
| import java.util.UUID; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.CreateVolumeFromSnapshotAnswer; |
| import com.cloud.agent.api.CreateVolumeFromSnapshotCommand; |
| import com.cloud.agent.api.to.StorageFilerTO; |
| import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource; |
| import com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk; |
| import com.cloud.hypervisor.kvm.storage.KVMStoragePool; |
| import com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| @ResourceWrapper(handles = CreateVolumeFromSnapshotCommand.class) |
| public final class LibvirtCreateVolumeFromSnapshotCommandWrapper extends CommandWrapper<CreateVolumeFromSnapshotCommand, Answer, LibvirtComputingResource> { |
| |
| @Override |
| public Answer execute(final CreateVolumeFromSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| try { |
| |
| String snapshotPath = command.getSnapshotUuid(); |
| final int index = snapshotPath.lastIndexOf("/"); |
| snapshotPath = snapshotPath.substring(0, index); |
| |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| final KVMStoragePool secondaryPool = storagePoolMgr.getStoragePoolByURI(command.getSecondaryStorageUrl() + snapshotPath); |
| final KVMPhysicalDisk snapshot = secondaryPool.getPhysicalDisk(command.getSnapshotName()); |
| |
| final String primaryUuid = command.getPrimaryStoragePoolNameLabel(); |
| |
| final StorageFilerTO pool = command.getPool(); |
| final KVMStoragePool primaryPool = storagePoolMgr.getStoragePool(pool.getType(), primaryUuid); |
| |
| final String volUuid = UUID.randomUUID().toString(); |
| final KVMPhysicalDisk disk = storagePoolMgr.copyPhysicalDisk(snapshot, volUuid, primaryPool, 0); |
| |
| if (disk == null) { |
| throw new NullPointerException("Disk was not successfully copied to the new storage."); |
| } |
| |
| return new CreateVolumeFromSnapshotAnswer(command, true, "", disk.getName()); |
| } catch (final CloudRuntimeException e) { |
| return new CreateVolumeFromSnapshotAnswer(command, false, e.toString(), null); |
| } catch (final Exception e) { |
| return new CreateVolumeFromSnapshotAnswer(command, false, e.toString(), null); |
| } |
| } |
| } |