| // |
| // 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.xenserver.resource.wrapper.xen610; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.MigrateWithStorageSendAnswer; |
| import com.cloud.agent.api.MigrateWithStorageSendCommand; |
| import com.cloud.agent.api.to.NicTO; |
| import com.cloud.agent.api.to.VirtualMachineTO; |
| import com.cloud.agent.api.to.VolumeTO; |
| import com.cloud.hypervisor.xenserver.resource.XenServer610Resource; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.utils.Pair; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.xensource.xenapi.Connection; |
| import com.xensource.xenapi.Network; |
| import com.xensource.xenapi.SR; |
| import com.xensource.xenapi.Task; |
| import com.xensource.xenapi.Types; |
| import com.xensource.xenapi.VDI; |
| import com.xensource.xenapi.VIF; |
| import com.xensource.xenapi.VM; |
| |
| @ResourceWrapper(handles = MigrateWithStorageSendCommand.class) |
| public final class XenServer610MigrateWithStorageSendCommandWrapper extends CommandWrapper<MigrateWithStorageSendCommand, Answer, XenServer610Resource> { |
| |
| private static final Logger s_logger = Logger.getLogger(XenServer610MigrateWithStorageSendCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final MigrateWithStorageSendCommand command, final XenServer610Resource xenServer610Resource) { |
| final Connection connection = xenServer610Resource.getConnection(); |
| |
| final VirtualMachineTO vmSpec = command.getVirtualMachine(); |
| final List<Pair<VolumeTO, Object>> volumeToSr = command.getVolumeToSr(); |
| final List<Pair<NicTO, Object>> nicToNetwork = command.getNicToNetwork(); |
| final Map<String, String> token = command.getToken(); |
| final String vmName = vmSpec.getName(); |
| |
| Task task = null; |
| try { |
| |
| // In a cluster management server setup, the migrate with storage receive and send |
| // commands and answers may have to be forwarded to another management server. This |
| // happens when the host/resource on which the command has to be executed is owned |
| // by the second management server. The serialization/deserialization of the command |
| // and answers fails as the xapi SR and Network class type isn't understand by the |
| // agent attache. Seriliaze the SR and Network objects here to a string and pass in |
| // the answer object. It'll be deserialzed and object created in migrate with |
| // storage send command execution. |
| final Map<String, String> other = new HashMap<String, String>(); |
| other.put("live", "true"); |
| |
| // Create the vdi map which tells what volumes of the vm need to go |
| // on which sr on the destination. |
| final Map<VDI, SR> vdiMap = new HashMap<VDI, SR>(); |
| for (final Pair<VolumeTO, Object> entry : volumeToSr) { |
| if (entry.second() instanceof SR) { |
| final SR sr = (SR)entry.second(); |
| final VDI vdi = xenServer610Resource.getVDIbyUuid(connection, entry.first().getPath()); |
| vdiMap.put(vdi, sr); |
| } else { |
| throw new CloudRuntimeException("The object " + entry.second() + " passed is not of type SR."); |
| } |
| } |
| |
| final Set<VM> vms = VM.getByNameLabel(connection, vmSpec.getName()); |
| VM vmToMigrate = null; |
| if (vms != null) { |
| vmToMigrate = vms.iterator().next(); |
| } |
| |
| // Create the vif map. |
| final Map<VIF, Network> vifMap = new HashMap<VIF, Network>(); |
| for (final Pair<NicTO, Object> entry : nicToNetwork) { |
| if (entry.second() instanceof Network) { |
| final Network network = (Network)entry.second(); |
| final VIF vif = xenServer610Resource.getVifByMac(connection, vmToMigrate, entry.first().getMac()); |
| vifMap.put(vif, network); |
| } else { |
| throw new CloudRuntimeException("The object " + entry.second() + " passed is not of type Network."); |
| } |
| } |
| |
| // Check migration with storage is possible. |
| task = vmToMigrate.assertCanMigrateAsync(connection, token, true, vdiMap, vifMap, other); |
| try { |
| // poll every 1 seconds. |
| final long timeout = xenServer610Resource.getMigrateWait() * 1000L; |
| xenServer610Resource.waitForTask(connection, task, 1000, timeout); |
| xenServer610Resource.checkForSuccess(connection, task); |
| } catch (final Types.HandleInvalid e) { |
| s_logger.error("Error while checking if vm " + vmName + " can be migrated.", e); |
| throw new CloudRuntimeException("Error while checking if vm " + vmName + " can be migrated.", e); |
| } |
| |
| // Migrate now. |
| task = vmToMigrate.migrateSendAsync(connection, token, true, vdiMap, vifMap, other); |
| try { |
| // poll every 1 seconds. |
| final long timeout = xenServer610Resource.getMigrateWait() * 1000L; |
| xenServer610Resource.waitForTask(connection, task, 1000, timeout); |
| xenServer610Resource.checkForSuccess(connection, task); |
| } catch (final Types.HandleInvalid e) { |
| s_logger.error("Error while migrating vm " + vmName, e); |
| throw new CloudRuntimeException("Error while migrating vm " + vmName, e); |
| } |
| |
| final Set<VolumeTO> volumeToSet = null; |
| return new MigrateWithStorageSendAnswer(command, volumeToSet); |
| } catch (final CloudRuntimeException e) { |
| s_logger.error("Migration of vm " + vmName + " with storage failed due to " + e.toString(), e); |
| return new MigrateWithStorageSendAnswer(command, e); |
| } catch (final Exception e) { |
| s_logger.error("Migration of vm " + vmName + " with storage failed due to " + e.toString(), e); |
| return new MigrateWithStorageSendAnswer(command, e); |
| } finally { |
| if (task != null) { |
| try { |
| task.destroy(connection); |
| } catch (final Exception e) { |
| s_logger.debug("Unable to destroy task " + task.toString() + " on host " + xenServer610Resource.getHost().getUuid() + " due to " + e.toString()); |
| } |
| } |
| } |
| } |
| } |