| // |
| // 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.Set; |
| |
| import org.apache.commons.lang.BooleanUtils; |
| import org.apache.xmlrpc.XmlRpcException; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.MigrateAnswer; |
| import com.cloud.agent.api.MigrateCommand; |
| import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.xensource.xenapi.Connection; |
| import com.xensource.xenapi.Host; |
| import com.xensource.xenapi.Types; |
| import com.xensource.xenapi.Types.BadServerResponse; |
| import com.xensource.xenapi.Types.XenAPIException; |
| import com.xensource.xenapi.VBD; |
| import com.xensource.xenapi.VM; |
| |
| @ResourceWrapper(handles = MigrateCommand.class) |
| public class CitrixMigrateCommandWrapper extends CommandWrapper<MigrateCommand, Answer, CitrixResourceBase> { |
| |
| |
| @Override |
| public Answer execute(final MigrateCommand command, final CitrixResourceBase citrixResourceBase) { |
| final Connection conn = citrixResourceBase.getConnection(); |
| final String vmName = command.getVmName(); |
| final String dstHostIpAddr = command.getDestinationIp(); |
| |
| try { |
| final Set<VM> vms = VM.getByNameLabel(conn, vmName); |
| |
| final Set<Host> hosts = Host.getAll(conn); |
| Host dsthost = null; |
| if(hosts != null) { |
| for (final Host host : hosts) { |
| if (host.getAddress(conn).equals(dstHostIpAddr)) { |
| dsthost = host; |
| break; |
| } |
| } |
| } |
| if (dsthost == null) { |
| final String msg = "Migration failed due to unable to find host " + dstHostIpAddr + " in XenServer pool " + citrixResourceBase.getHost().getPool(); |
| logger.warn(msg); |
| return new MigrateAnswer(command, false, msg, null); |
| } |
| for (final VM vm : vms) { |
| final Set<VBD> vbds = vm.getVBDs(conn); |
| for (final VBD vbd : vbds) { |
| final VBD.Record vbdRec = vbd.getRecord(conn); |
| if (vbdRec.type.equals(Types.VbdType.CD) && !vbdRec.empty) { |
| vbd.eject(conn); |
| // for config drive vbd destroy the vbd. |
| if (!vbdRec.userdevice.equals(citrixResourceBase._attachIsoDeviceNum)) { |
| if (vbdRec.currentlyAttached) { |
| vbd.destroy(conn); |
| } |
| } |
| continue; |
| } |
| } |
| citrixResourceBase.migrateVM(conn, dsthost, vm, vmName); |
| vm.setAffinity(conn, dsthost); |
| |
| destroyMigratedVmNetworkRulesOnSourceHost(command, citrixResourceBase, conn, dsthost); |
| } |
| |
| // The iso can be attached to vm only once the vm is (present in the host) migrated. |
| // Attach the config drive iso device to VM |
| VM vm = vms.iterator().next(); |
| if (!citrixResourceBase.attachConfigDriveIsoToVm(conn, vm)) { |
| logger.debug("Config drive ISO attach failed after migration for vm "+vmName); |
| } |
| |
| return new MigrateAnswer(command, true, "migration succeeded", null); |
| } catch (final Exception e) { |
| logger.warn(e.getMessage(), e); |
| return new MigrateAnswer(command, false, e.getMessage(), null); |
| } |
| } |
| |
| /** |
| * On networks with security group, it removes the network rules related to the migrated VM from the source host. |
| */ |
| protected void destroyMigratedVmNetworkRulesOnSourceHost(final MigrateCommand command, final CitrixResourceBase citrixResourceBase, final Connection conn, Host dsthost) |
| throws BadServerResponse, XenAPIException, XmlRpcException { |
| if (citrixResourceBase.canBridgeFirewall()) { |
| final String result = citrixResourceBase.callHostPlugin(conn, "vmops", "destroy_network_rules_for_vm", "vmName", command.getVmName()); |
| if (BooleanUtils.toBoolean(result)) { |
| logger.debug(String.format("Removed network rules from source host [%s] for migrated vm [%s]", dsthost.getHostname(conn), command.getVmName())); |
| } else { |
| logger.warn(String.format("Failed to remove network rules from source host [%s] for migrated vm [%s]", dsthost.getHostname(conn), command.getVmName())); |
| } |
| } |
| } |
| } |