#4378: look for host in same cluster in vm migration

Author: ustcweizhou

server/src/main/java/com/cloud/vm/UserVmManagerImpl.java

@@ -5635,7 +5635,7 @@ public VirtualMachine migrateVirtualMachine(Long vmId, Host destinationHost) thr
             vm.setLastHostId(null); // Do not check last host
             final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm);
             final Host host = _hostDao.findById(srcHostId);
-            final DataCenterDeployment plan = new DataCenterDeployment(host.getDataCenterId(), null, null, null, null, null);
+            final DataCenterDeployment plan = new DataCenterDeployment(host.getDataCenterId(), host.getPodId(), host.getClusterId(), null, null, null);
             ExcludeList excludes = new ExcludeList();
             excludes.addHost(srcHostId);
             try {
@@ -5652,7 +5652,7 @@ public VirtualMachine migrateVirtualMachine(Long vmId, Host destinationHost) thr
 
         // If no suitable destination found then throw exception
         if (dest == null) {
-            throw new RuntimeException("Unable to find suitable destination to migrate VM " + vm.getInstanceName());
+            throw new CloudRuntimeException("Unable to find suitable destination to migrate VM " + vm.getInstanceName());
         }
 
         UserVmVO uservm = _vmDao.findById(vmId);
@@ -7296,4 +7296,4 @@ private void checkUnmanagingVMVolumes(UserVmVO vm, List<VolumeVO> volumes) {
             }
         }
     }
-}
+}