| // |
| // 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 com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.storage.CreateAnswer; |
| import com.cloud.agent.api.storage.CreateCommand; |
| import com.cloud.agent.api.to.StorageFilerTO; |
| import com.cloud.agent.api.to.VolumeTO; |
| 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.storage.Storage.StoragePoolType; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.cloud.vm.DiskProfile; |
| |
| @ResourceWrapper(handles = CreateCommand.class) |
| public final class LibvirtCreateCommandWrapper extends CommandWrapper<CreateCommand, Answer, LibvirtComputingResource> { |
| |
| |
| @Override |
| public Answer execute(final CreateCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| final StorageFilerTO pool = command.getPool(); |
| final DiskProfile dskch = command.getDiskCharacteristics(); |
| KVMPhysicalDisk baseVol = null; |
| KVMStoragePool primaryPool = null; |
| KVMPhysicalDisk vol = null; |
| long disksize; |
| try { |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| primaryPool = storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid()); |
| disksize = dskch.getSize(); |
| |
| if (command.getTemplateUrl() != null) { |
| if (primaryPool.getType() == StoragePoolType.CLVM) { |
| vol = libvirtComputingResource.templateToPrimaryDownload(command.getTemplateUrl(), primaryPool, dskch.getPath()); |
| } else { |
| baseVol = primaryPool.getPhysicalDisk(command.getTemplateUrl()); |
| vol = storagePoolMgr.createDiskFromTemplate(baseVol, dskch.getPath(), dskch.getProvisioningType(), primaryPool, baseVol.getSize(), 0, null); |
| } |
| if (vol == null) { |
| return new Answer(command, false, " Can't create storage volume on storage pool"); |
| } |
| } else { |
| vol = primaryPool.createPhysicalDisk(dskch.getPath(), dskch.getProvisioningType(), dskch.getSize(), null); |
| if (vol == null) { |
| return new Answer(command, false, " Can't create Physical Disk"); |
| } |
| } |
| final VolumeTO volume = new VolumeTO(command.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), pool.getPath(), vol.getName(), vol.getName(), disksize, |
| null); |
| |
| volume.setBytesReadRate(dskch.getBytesReadRate()); |
| volume.setBytesWriteRate(dskch.getBytesWriteRate()); |
| volume.setIopsReadRate(dskch.getIopsReadRate()); |
| volume.setIopsWriteRate(dskch.getIopsWriteRate()); |
| volume.setCacheMode(dskch.getCacheMode()); |
| return new CreateAnswer(command, volume); |
| } catch (final CloudRuntimeException e) { |
| logger.debug("Failed to create volume: " + e.toString()); |
| return new CreateAnswer(command, e); |
| } |
| } |
| } |