예제 #1
0
 // TODO asynch event handler - design infra code to allow async events in segregated thread
 public void onMomPolicyChange(@Observes @MomPolicyUpdate final VDSGroup cluster) {
   if (cluster == null || cluster.getCompatibilityVersion().compareTo(Version.v3_4) < 0) return;
   List<VDS> activeHostsInCluster =
       vdsDao.getAllForVdsGroupWithStatus(cluster.getId(), VDSStatus.Up);
   // collect all Active hosts into a callable list
   List<Callable<Object>> callables = new LinkedList<>();
   for (final VDS vds : activeHostsInCluster) {
     callables.add(
         new Callable<Object>() {
           @Override
           public Object call() {
             try {
               resourceManagerProvider
                   .get()
                   .runVdsCommand(
                       VDSCommandType.SetMOMPolicyParameters,
                       new MomPolicyVDSParameters(
                           vds,
                           cluster.isEnableBallooning(),
                           cluster.isEnableKsm(),
                           cluster.isKsmMergeAcrossNumaNodes()));
             } catch (EngineException e) {
               log.error("Could not update MoM policy on host '{}'", vds.getName());
             }
             return null;
           }
         });
   }
   // run all VDSCommands concurrently with executor
   if (callables.size() > 0) ThreadPoolUtil.invokeAll(callables);
 }
  protected boolean validate() {
    VM vm = parentCommand.getVm();
    if (vm == null) {
      parentCommand.addCanDoActionMessage(EngineMessage.ACTION_TYPE_FAILED_VM_NOT_FOUND);
      return false;
    } else {
      targetCluster = DbFacade.getInstance().getVdsGroupDao().get(targetClusterId);
      if (targetCluster == null) {
        parentCommand.addCanDoActionMessage(EngineMessage.VM_CLUSTER_IS_NOT_VALID);
        return false;
      }

      // Check that the target cluster is in the same data center.
      if (!targetCluster.getStoragePoolId().equals(vm.getStoragePoolId())) {
        parentCommand.addCanDoActionMessage(
            EngineMessage.VM_CANNOT_MOVE_TO_CLUSTER_IN_OTHER_STORAGE_POOL);
        return false;
      }

      List<VmNic> interfaces = DbFacade.getInstance().getVmNicDao().getAllForVm(vm.getId());

      Version clusterCompatibilityVersion = targetCluster.getCompatibilityVersion();
      if (!validateDestinationClusterContainsNetworks(interfaces)
          || !validateNics(interfaces, clusterCompatibilityVersion)) {
        return false;
      }

      // Check if VM static parameters are compatible for new cluster.
      boolean isCpuSocketsValid =
          AddVmCommand.checkCpuSockets(
              vm.getStaticData().getNumOfSockets(),
              vm.getStaticData().getCpuPerSocket(),
              vm.getStaticData().getThreadsPerCpu(),
              clusterCompatibilityVersion.getValue(),
              parentCommand.getReturnValue().getCanDoActionMessages());
      if (!isCpuSocketsValid) {
        return false;
      }

      // Check that the USB policy is legal
      if (!VmHandler.isUsbPolicyLegal(
          vm.getUsbPolicy(),
          vm.getOs(),
          targetCluster,
          parentCommand.getReturnValue().getCanDoActionMessages())) {
        return false;
      }

      // Check if the display type is supported
      if (!VmHandler.isGraphicsAndDisplaySupported(
          vm.getOs(),
          VmDeviceUtils.getGraphicsTypesOfEntity(vm.getId()),
          vm.getDefaultDisplayType(),
          parentCommand.getReturnValue().getCanDoActionMessages(),
          clusterCompatibilityVersion)) {
        return false;
      }

      if (VmDeviceUtils.hasVirtioScsiController(vm.getId())) {
        // Verify cluster compatibility
        if (!FeatureSupported.virtIoScsi(targetCluster.getCompatibilityVersion())) {
          return parentCommand.failCanDoAction(
              EngineMessage.VIRTIO_SCSI_INTERFACE_IS_NOT_AVAILABLE_FOR_CLUSTER_LEVEL);
        }

        // Verify OS compatibility
        if (!VmHandler.isOsTypeSupportedForVirtioScsi(
            vm.getOs(),
            targetCluster.getCompatibilityVersion(),
            parentCommand.getReturnValue().getCanDoActionMessages())) {
          return false;
        }
      }

      // A existing VM cannot be changed into a cluster without a defined architecture
      if (targetCluster.getArchitecture() == ArchitectureType.undefined) {
        return parentCommand.failCanDoAction(
            EngineMessage.ACTION_TYPE_FAILED_CLUSTER_UNDEFINED_ARCHITECTURE);
      } else if (targetCluster.getArchitecture() != vm.getClusterArch()) {
        return parentCommand.failCanDoAction(
            EngineMessage.ACTION_TYPE_FAILED_VM_CLUSTER_DIFFERENT_ARCHITECTURES);
      }
    }
    return true;
  }