| // |
| // 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.List; |
| import java.util.UUID; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.storage.PrimaryStorageDownloadAnswer; |
| import com.cloud.agent.api.storage.PrimaryStorageDownloadCommand; |
| 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 = PrimaryStorageDownloadCommand.class) |
| public final class LibvirtPrimaryStorageDownloadCommandWrapper extends CommandWrapper<PrimaryStorageDownloadCommand, Answer, LibvirtComputingResource> { |
| |
| @Override |
| public Answer execute(final PrimaryStorageDownloadCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| final String tmplturl = command.getUrl(); |
| final int index = tmplturl.lastIndexOf("/"); |
| final String mountpoint = tmplturl.substring(0, index); |
| String tmpltname = null; |
| |
| if (index < tmplturl.length() - 1) { |
| tmpltname = tmplturl.substring(index + 1); |
| } |
| |
| KVMPhysicalDisk tmplVol = null; |
| KVMStoragePool secondaryPool = null; |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| try { |
| secondaryPool = storagePoolMgr.getStoragePoolByURI(mountpoint); |
| |
| /* Get template vol */ |
| if (tmpltname == null) { |
| secondaryPool.refresh(); |
| final List<KVMPhysicalDisk> disks = secondaryPool.listPhysicalDisks(); |
| if (disks == null || disks.isEmpty()) { |
| return new PrimaryStorageDownloadAnswer("Failed to get volumes from pool: " + secondaryPool.getUuid()); |
| } |
| for (final KVMPhysicalDisk disk : disks) { |
| if (disk.getName().endsWith("qcow2")) { |
| tmplVol = disk; |
| break; |
| } |
| } |
| if (tmplVol == null) { |
| return new PrimaryStorageDownloadAnswer("Failed to get template from pool: " + secondaryPool.getUuid()); |
| } |
| } else { |
| tmplVol = secondaryPool.getPhysicalDisk(tmpltname); |
| } |
| |
| /* Copy volume to primary storage */ |
| final KVMStoragePool primaryPool = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPoolUuid()); |
| |
| final KVMPhysicalDisk primaryVol = storagePoolMgr.copyPhysicalDisk(tmplVol, UUID.randomUUID().toString(), primaryPool, 0); |
| |
| return new PrimaryStorageDownloadAnswer(primaryVol.getName(), primaryVol.getSize()); |
| } catch (final CloudRuntimeException e) { |
| return new PrimaryStorageDownloadAnswer(e.toString()); |
| } finally { |
| if (secondaryPool != null) { |
| storagePoolMgr.deleteStoragePool(secondaryPool.getType(), secondaryPool.getUuid()); |
| } |
| } |
| } |
| } |