| // |
| // 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.xenbase; |
| |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.apache.log4j.Logger; |
| import org.apache.xmlrpc.XmlRpcException; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.ScaleVmAnswer; |
| import com.cloud.agent.api.ScaleVmCommand; |
| import com.cloud.agent.api.to.VirtualMachineTO; |
| import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.xensource.xenapi.Connection; |
| import com.xensource.xenapi.Host; |
| import com.xensource.xenapi.Types.VmPowerState; |
| import com.xensource.xenapi.Types.XenAPIException; |
| import com.xensource.xenapi.VM; |
| |
| @ResourceWrapper(handles = ScaleVmCommand.class) |
| public final class CitrixScaleVmCommandWrapper extends CommandWrapper<ScaleVmCommand, Answer, CitrixResourceBase> { |
| |
| private static final Logger s_logger = Logger.getLogger(CitrixScaleVmCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final ScaleVmCommand command, final CitrixResourceBase citrixResourceBase) { |
| final VirtualMachineTO vmSpec = command.getVirtualMachine(); |
| final String vmName = vmSpec.getName(); |
| try { |
| final Connection conn = citrixResourceBase.getConnection(); |
| final Set<VM> vms = VM.getByNameLabel(conn, vmName); |
| final Host host = Host.getByUuid(conn, citrixResourceBase.getHost().getUuid()); |
| |
| // If DMC is not enable then don't execute this command. |
| if (!citrixResourceBase.isDmcEnabled(conn, host)) { |
| throw new CloudRuntimeException("Unable to scale the vm: " + vmName + " as DMC - Dynamic memory control is not enabled for the XenServer:" |
| + citrixResourceBase.getHost().getUuid() + " ,check your license and hypervisor version."); |
| } |
| |
| if (vms == null || vms.size() == 0) { |
| s_logger.info("No running VM " + vmName + " exists on XenServer" + citrixResourceBase.getHost().getUuid()); |
| return new ScaleVmAnswer(command, false, "VM does not exist"); |
| } |
| |
| // stop vm which is running on this host or is in halted state |
| final Iterator<VM> iter = vms.iterator(); |
| while (iter.hasNext()) { |
| final VM vm = iter.next(); |
| final VM.Record vmr = vm.getRecord(conn); |
| |
| if (vmr.powerState == VmPowerState.HALTED || vmr.powerState == VmPowerState.RUNNING && !citrixResourceBase.isRefNull(vmr.residentOn) |
| && !vmr.residentOn.getUuid(conn).equals(citrixResourceBase.getHost().getUuid())) { |
| iter.remove(); |
| } |
| } |
| |
| for (final VM vm : vms) { |
| vm.getRecord(conn); |
| try { |
| citrixResourceBase.scaleVM(conn, vm, vmSpec, host); |
| } catch (final Exception e) { |
| final String msg = "Catch exception " + e.getClass().getName() + " when scaling VM:" + vmName + " due to " + e.toString(); |
| s_logger.debug(msg); |
| return new ScaleVmAnswer(command, false, msg); |
| } |
| |
| } |
| final String msg = "scaling VM " + vmName + " is successful on host " + host; |
| s_logger.debug(msg); |
| return new ScaleVmAnswer(command, true, msg); |
| |
| } catch (final XenAPIException e) { |
| final String msg = "Upgrade Vm " + vmName + " fail due to " + e.toString(); |
| s_logger.warn(msg, e); |
| return new ScaleVmAnswer(command, false, msg); |
| } catch (final XmlRpcException e) { |
| final String msg = "Upgrade Vm " + vmName + " fail due to " + e.getMessage(); |
| s_logger.warn(msg, e); |
| return new ScaleVmAnswer(command, false, msg); |
| } catch (final Exception e) { |
| final String msg = "Unable to upgrade " + vmName + " due to " + e.getMessage(); |
| s_logger.warn(msg, e); |
| return new ScaleVmAnswer(command, false, msg); |
| } |
| } |
| } |