Example #1
0
 private TemplateInfo createTemplate() {
   try {
     DataStore store = createImageStore();
     VMTemplateVO image = createImageData();
     TemplateInfo template = imageDataFactory.getTemplate(image.getId(), store);
     // AsyncCallFuture<TemplateApiResult> future =
     // imageService.createTemplateAsync(template, store);
     // future.get();
     template = imageDataFactory.getTemplate(image.getId(), store);
     /*
      * imageProviderMgr.configure("image Provider", new HashMap<String,
      * Object>()); VMTemplateVO image = createImageData();
      * ImageDataStoreProvider defaultProvider =
      * imageProviderMgr.getProvider("DefaultProvider");
      * ImageDataStoreLifeCycle lifeCycle =
      * defaultProvider.getLifeCycle(); ImageDataStore store =
      * lifeCycle.registerDataStore("defaultHttpStore", new
      * HashMap<String, String>());
      * imageService.registerTemplate(image.getId(),
      * store.getImageDataStoreId()); TemplateEntity te =
      * imageService.getTemplateEntity(image.getId()); return te;
      */
     return template;
   } catch (Exception e) {
     Assert.fail("failed", e);
     return null;
   }
 }
  @Override
  public AsyncCallFuture<TemplateApiResult> copyTemplate(
      TemplateInfo srcTemplate, DataStore destStore) {
    // generate a URL from source template ssvm to download to destination data store
    String url = generateCopyUrl(srcTemplate);
    if (url == null) {
      s_logger.warn(
          "Unable to start/resume copy of template "
              + srcTemplate.getUniqueName()
              + " to "
              + destStore.getName()
              + ", no secondary storage vm in running state in source zone");
      throw new CloudRuntimeException("No secondary VM in running state in source template zone ");
    }

    TemplateObject tmplForCopy =
        (TemplateObject) _templateFactory.getTemplate(srcTemplate, destStore);
    if (s_logger.isDebugEnabled()) {
      s_logger.debug("Setting source template url to " + url);
    }
    tmplForCopy.setUrl(url);

    if (s_logger.isDebugEnabled()) {
      s_logger.debug("Mark template_store_ref entry as Creating");
    }
    AsyncCallFuture<TemplateApiResult> future = new AsyncCallFuture<TemplateApiResult>();
    DataObject templateOnStore = destStore.create(tmplForCopy);
    templateOnStore.processEvent(Event.CreateOnlyRequested);

    if (s_logger.isDebugEnabled()) {
      s_logger.debug("Invoke datastore driver createAsync to create template on destination store");
    }
    try {
      TemplateOpContext<TemplateApiResult> context =
          new TemplateOpContext<TemplateApiResult>(null, (TemplateObject) templateOnStore, future);
      AsyncCallbackDispatcher<TemplateServiceImpl, CreateCmdResult> caller =
          AsyncCallbackDispatcher.create(this);
      caller
          .setCallback(caller.getTarget().copyTemplateCrossZoneCallBack(null, null))
          .setContext(context);
      destStore.getDriver().createAsync(destStore, templateOnStore, caller);
    } catch (CloudRuntimeException ex) {
      // clean up already persisted template_store_ref entry in case of createTemplateCallback is
      // never called
      TemplateDataStoreVO templateStoreVO =
          _vmTemplateStoreDao.findByStoreTemplate(destStore.getId(), srcTemplate.getId());
      if (templateStoreVO != null) {
        TemplateInfo tmplObj = _templateFactory.getTemplate(srcTemplate, destStore);
        tmplObj.processEvent(ObjectInDataStoreStateMachine.Event.OperationFailed);
      }
      TemplateApiResult res = new TemplateApiResult((TemplateObject) templateOnStore);
      res.setResult(ex.getMessage());
      future.complete(res);
    }
    return future;
  }
 private AsyncCallFuture<TemplateApiResult> syncToRegionStoreAsync(
     TemplateInfo template, DataStore store) {
   AsyncCallFuture<TemplateApiResult> future = new AsyncCallFuture<TemplateApiResult>();
   // no need to create entry on template_store_ref here, since entries are already created when
   // prepareSecondaryStorageForMigration is invoked.
   // But we need to set default install path so that sync can be done in the right s3 path
   TemplateInfo templateOnStore = _templateFactory.getTemplate(template, store);
   String installPath =
       TemplateConstants.DEFAULT_TMPLT_ROOT_DIR
           + "/"
           + TemplateConstants.DEFAULT_TMPLT_FIRST_LEVEL_DIR
           + template.getAccountId()
           + "/"
           + template.getId()
           + "/"
           + template.getUniqueName();
   ((TemplateObject) templateOnStore).setInstallPath(installPath);
   TemplateOpContext<TemplateApiResult> context =
       new TemplateOpContext<TemplateApiResult>(null, (TemplateObject) templateOnStore, future);
   AsyncCallbackDispatcher<TemplateServiceImpl, CopyCommandResult> caller =
       AsyncCallbackDispatcher.create(this);
   caller.setCallback(caller.getTarget().syncTemplateCallBack(null, null)).setContext(context);
   _motionSrv.copyAsync(template, templateOnStore, caller);
   return future;
 }
 // This routine is used to push templates currently on cache store, but not in region store to
 // region store.
 // used in migrating existing NFS secondary storage to S3.
 @Override
 public void syncTemplateToRegionStore(long templateId, DataStore store) {
   if (_storeMgr.isRegionStore(store)) {
     if (s_logger.isDebugEnabled()) {
       s_logger.debug("Sync template " + templateId + " from cache to object store...");
     }
     // if template is on region wide object store, check if it is really downloaded there (by
     // checking install_path). Sync template to region
     // wide store if it is not there physically.
     TemplateInfo tmplOnStore = _templateFactory.getTemplate(templateId, store);
     if (tmplOnStore == null) {
       throw new CloudRuntimeException(
           "Cannot find an entry in template_store_ref for template "
               + templateId
               + " on region store: "
               + store.getName());
     }
     if (tmplOnStore.getInstallPath() == null || tmplOnStore.getInstallPath().length() == 0) {
       // template is not on region store yet, sync to region store
       TemplateInfo srcTemplate = _templateFactory.getReadyTemplateOnCache(templateId);
       if (srcTemplate == null) {
         throw new CloudRuntimeException(
             "Cannot find template " + templateId + "  on cache store");
       }
       AsyncCallFuture<TemplateApiResult> future = syncToRegionStoreAsync(srcTemplate, store);
       try {
         TemplateApiResult result = future.get();
         if (result.isFailed()) {
           throw new CloudRuntimeException(
               "sync template from cache to region wide store failed for image store "
                   + store.getName()
                   + ":"
                   + result.getResult());
         }
         _cacheMgr.releaseCacheObject(
             srcTemplate); // reduce reference count for template on cache, so it can recycled by
         // schedule
       } catch (Exception ex) {
         throw new CloudRuntimeException(
             "sync template from cache to region wide store failed for image store "
                 + store.getName());
       }
     }
   }
 }
  @Override
  public void handleSysTemplateDownload(HypervisorType hostHyper, Long dcId) {
    Set<VMTemplateVO> toBeDownloaded = new HashSet<VMTemplateVO>();
    List<DataStore> stores = _storeMgr.getImageStoresByScope(new ZoneScope(dcId));
    if (stores == null || stores.isEmpty()) {
      return;
    }

    /* Download all the templates in zone with the same hypervisortype */
    for (DataStore store : stores) {
      List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();
      List<VMTemplateVO> defaultBuiltin = _templateDao.listDefaultBuiltinTemplates();

      for (VMTemplateVO rtngTmplt : rtngTmplts) {
        if (rtngTmplt.getHypervisorType() == hostHyper) {
          toBeDownloaded.add(rtngTmplt);
        }
      }

      for (VMTemplateVO builtinTmplt : defaultBuiltin) {
        if (builtinTmplt.getHypervisorType() == hostHyper) {
          toBeDownloaded.add(builtinTmplt);
        }
      }

      for (VMTemplateVO template : toBeDownloaded) {
        TemplateDataStoreVO tmpltHost =
            _vmTemplateStoreDao.findByStoreTemplate(store.getId(), template.getId());
        if (tmpltHost == null
            || tmpltHost.getState() != ObjectInDataStoreStateMachine.State.Ready) {
          associateTemplateToZone(template.getId(), dcId);
          s_logger.info(
              "Downloading builtin template "
                  + template.getUniqueName()
                  + " to data center: "
                  + dcId);
          TemplateInfo tmplt = _templateFactory.getTemplate(template.getId(), DataStoreRole.Image);
          createTemplateAsync(tmplt, store, null);
        }
      }
    }
  }
  @Override
  public void createTemplateAsync(
      TemplateInfo template, DataStore store, AsyncCompletionCallback<TemplateApiResult> callback) {
    // persist template_store_ref entry
    TemplateObject templateOnStore = (TemplateObject) store.create(template);
    // update template_store_ref and template state
    try {
      templateOnStore.processEvent(ObjectInDataStoreStateMachine.Event.CreateOnlyRequested);
    } catch (Exception e) {
      TemplateApiResult result = new TemplateApiResult(templateOnStore);
      result.setResult(e.toString());
      result.setSuccess(false);
      if (callback != null) {
        callback.complete(result);
      }
      return;
    }

    try {
      TemplateOpContext<TemplateApiResult> context =
          new TemplateOpContext<TemplateApiResult>(callback, templateOnStore, null);

      AsyncCallbackDispatcher<TemplateServiceImpl, CreateCmdResult> caller =
          AsyncCallbackDispatcher.create(this);
      caller.setCallback(caller.getTarget().createTemplateCallback(null, null)).setContext(context);
      store.getDriver().createAsync(store, templateOnStore, caller);
    } catch (CloudRuntimeException ex) {
      // clean up already persisted template_store_ref entry in case of createTemplateCallback is
      // never called
      TemplateDataStoreVO templateStoreVO =
          _vmTemplateStoreDao.findByStoreTemplate(store.getId(), template.getId());
      if (templateStoreVO != null) {
        TemplateInfo tmplObj = _templateFactory.getTemplate(template, store);
        tmplObj.processEvent(ObjectInDataStoreStateMachine.Event.OperationFailed);
      }
      TemplateApiResult result = new TemplateApiResult(template);
      result.setResult(ex.getMessage());
      if (callback != null) {
        callback.complete(result);
      }
    }
  }
  @Override
  public void downloadBootstrapSysTemplate(DataStore store) {
    Set<VMTemplateVO> toBeDownloaded = new HashSet<VMTemplateVO>();

    List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();

    for (VMTemplateVO rtngTmplt : rtngTmplts) {
      toBeDownloaded.add(rtngTmplt);
    }

    List<HypervisorType> availHypers =
        _clusterDao.getAvailableHypervisorInZone(store.getScope().getScopeId());
    if (availHypers.isEmpty()) {
      /*
       * This is for cloudzone, local secondary storage resource started
       * before cluster created
       */
      availHypers.add(HypervisorType.KVM);
    }
    /* Baremetal need not to download any template */
    availHypers.remove(HypervisorType.BareMetal);
    availHypers.add(HypervisorType.None); // bug 9809: resume ISO
    // download.

    for (VMTemplateVO template : toBeDownloaded) {
      if (availHypers.contains(template.getHypervisorType())) {
        // only download sys template applicable for current hypervisor
        TemplateDataStoreVO tmpltHost =
            _vmTemplateStoreDao.findByStoreTemplate(store.getId(), template.getId());
        if (tmpltHost == null
            || tmpltHost.getState() != ObjectInDataStoreStateMachine.State.Ready) {
          TemplateInfo tmplt = _templateFactory.getTemplate(template.getId(), DataStoreRole.Image);
          createTemplateAsync(tmplt, store, null);
        }
      }
    }
  }
  @Override
  public void handleTemplateSync(DataStore store) {
    if (store == null) {
      s_logger.warn("Huh? image store is null");
      return;
    }
    long storeId = store.getId();

    // add lock to make template sync for a data store only be done once
    String lockString = "templatesync.storeId:" + storeId;
    GlobalLock syncLock = GlobalLock.getInternLock(lockString);
    try {
      if (syncLock.lock(3)) {
        try {
          Long zoneId = store.getScope().getScopeId();

          Map<String, TemplateProp> templateInfos = listTemplate(store);
          if (templateInfos == null) {
            return;
          }

          Set<VMTemplateVO> toBeDownloaded = new HashSet<VMTemplateVO>();
          List<VMTemplateVO> allTemplates = null;
          if (zoneId == null) {
            // region wide store
            allTemplates = _templateDao.listAllActive();
          } else {
            // zone wide store
            allTemplates = _templateDao.listAllInZone(zoneId);
          }
          List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();
          List<VMTemplateVO> defaultBuiltin = _templateDao.listDefaultBuiltinTemplates();

          if (rtngTmplts != null) {
            for (VMTemplateVO rtngTmplt : rtngTmplts) {
              if (!allTemplates.contains(rtngTmplt)) {
                allTemplates.add(rtngTmplt);
              }
            }
          }

          if (defaultBuiltin != null) {
            for (VMTemplateVO builtinTmplt : defaultBuiltin) {
              if (!allTemplates.contains(builtinTmplt)) {
                allTemplates.add(builtinTmplt);
              }
            }
          }

          toBeDownloaded.addAll(allTemplates);

          for (VMTemplateVO tmplt : allTemplates) {
            String uniqueName = tmplt.getUniqueName();
            TemplateDataStoreVO tmpltStore =
                _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
            if (templateInfos.containsKey(uniqueName)) {
              TemplateProp tmpltInfo = templateInfos.remove(uniqueName);
              toBeDownloaded.remove(tmplt);
              if (tmpltStore != null) {
                s_logger.info("Template Sync found " + uniqueName + " already in the image store");
                if (tmpltStore.getDownloadState() != Status.DOWNLOADED) {
                  tmpltStore.setErrorString("");
                }
                if (tmpltInfo.isCorrupted()) {
                  tmpltStore.setDownloadState(Status.DOWNLOAD_ERROR);
                  String msg =
                      "Template "
                          + tmplt.getName()
                          + ":"
                          + tmplt.getId()
                          + " is corrupted on secondary storage "
                          + tmpltStore.getId();
                  tmpltStore.setErrorString(msg);
                  s_logger.info("msg");
                  if (tmplt.getUrl() == null) {
                    msg =
                        "Private Template ("
                            + tmplt
                            + ") with install path "
                            + tmpltInfo.getInstallPath()
                            + "is corrupted, please check in image store: "
                            + tmpltStore.getDataStoreId();
                    s_logger.warn(msg);
                  } else {
                    s_logger.info(
                        "Removing template_store_ref entry for corrupted template "
                            + tmplt.getName());
                    _vmTemplateStoreDao.remove(tmpltStore.getId());
                    toBeDownloaded.add(tmplt);
                  }

                } else {
                  tmpltStore.setDownloadPercent(100);
                  tmpltStore.setDownloadState(Status.DOWNLOADED);
                  tmpltStore.setState(ObjectInDataStoreStateMachine.State.Ready);
                  tmpltStore.setInstallPath(tmpltInfo.getInstallPath());
                  tmpltStore.setSize(tmpltInfo.getSize());
                  tmpltStore.setPhysicalSize(tmpltInfo.getPhysicalSize());
                  tmpltStore.setLastUpdated(new Date());
                  // update size in vm_template table
                  VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
                  tmlpt.setSize(tmpltInfo.getSize());
                  _templateDao.update(tmplt.getId(), tmlpt);

                  // Skipping limit checks for SYSTEM Account and for the templates created from
                  // volumes or snapshots
                  // which already got checked and incremented during createTemplate API call.
                  if (tmpltInfo.getSize() > 0
                      && tmplt.getAccountId() != Account.ACCOUNT_ID_SYSTEM
                      && tmplt.getUrl() != null) {
                    long accountId = tmplt.getAccountId();
                    try {
                      _resourceLimitMgr.checkResourceLimit(
                          _accountMgr.getAccount(accountId),
                          com.cloud.configuration.Resource.ResourceType.secondary_storage,
                          tmpltInfo.getSize() - UriUtils.getRemoteSize(tmplt.getUrl()));
                    } catch (ResourceAllocationException e) {
                      s_logger.warn(e.getMessage());
                      _alertMgr.sendAlert(
                          AlertManager.AlertType.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED,
                          zoneId,
                          null,
                          e.getMessage(),
                          e.getMessage());
                    } finally {
                      _resourceLimitMgr.recalculateResourceCount(
                          accountId,
                          _accountMgr.getAccount(accountId).getDomainId(),
                          com.cloud.configuration.Resource.ResourceType.secondary_storage
                              .getOrdinal());
                    }
                  }
                }
                _vmTemplateStoreDao.update(tmpltStore.getId(), tmpltStore);
              } else {
                tmpltStore =
                    new TemplateDataStoreVO(
                        storeId,
                        tmplt.getId(),
                        new Date(),
                        100,
                        Status.DOWNLOADED,
                        null,
                        null,
                        null,
                        tmpltInfo.getInstallPath(),
                        tmplt.getUrl());
                tmpltStore.setSize(tmpltInfo.getSize());
                tmpltStore.setPhysicalSize(tmpltInfo.getPhysicalSize());
                tmpltStore.setDataStoreRole(store.getRole());
                _vmTemplateStoreDao.persist(tmpltStore);

                // update size in vm_template table
                VMTemplateVO tmlpt = _templateDao.findById(tmplt.getId());
                tmlpt.setSize(tmpltInfo.getSize());
                _templateDao.update(tmplt.getId(), tmlpt);
                associateTemplateToZone(tmplt.getId(), zoneId);
              }
            } else {
              s_logger.info(
                  "Template Sync did not find "
                      + uniqueName
                      + " on image store "
                      + storeId
                      + ", may request download based on available hypervisor types");
              if (tmpltStore != null) {
                if (isRegionStore(store)
                    && tmpltStore.getDownloadState()
                        == VMTemplateStorageResourceAssoc.Status.DOWNLOADED
                    && tmpltStore.getState() == State.Ready
                    && tmpltStore.getInstallPath() == null) {
                  s_logger.info(
                      "Keep fake entry in template store table for migration of previous NFS to object store");
                } else {
                  s_logger.info(
                      "Removing leftover template "
                          + uniqueName
                          + " entry from template store table");
                  // remove those leftover entries
                  _vmTemplateStoreDao.remove(tmpltStore.getId());
                }
              }
            }
          }

          if (toBeDownloaded.size() > 0) {
            /* Only download templates whose hypervirsor type is in the zone */
            List<HypervisorType> availHypers = _clusterDao.getAvailableHypervisorInZone(zoneId);
            if (availHypers.isEmpty()) {
              /*
               * This is for cloudzone, local secondary storage resource
               * started before cluster created
               */
              availHypers.add(HypervisorType.KVM);
            }
            /* Baremetal need not to download any template */
            availHypers.remove(HypervisorType.BareMetal);
            availHypers.add(HypervisorType.None); // bug 9809: resume ISO
            // download.
            for (VMTemplateVO tmplt : toBeDownloaded) {
              if (tmplt.getUrl() == null) { // If url is null we can't
                s_logger.info(
                    "Skip downloading template "
                        + tmplt.getUniqueName()
                        + " since no url is specified.");
                continue;
              }
              // if this is private template, skip sync to a new image store
              if (!tmplt.isPublicTemplate()
                  && !tmplt.isFeatured()
                  && tmplt.getTemplateType() != TemplateType.SYSTEM) {
                s_logger.info(
                    "Skip sync downloading private template "
                        + tmplt.getUniqueName()
                        + " to a new image store");
                continue;
              }

              // if this is a region store, and there is already an DOWNLOADED entry there without
              // install_path information, which
              // means that this is a duplicate entry from migration of previous NFS to staging.
              if (isRegionStore(store)) {
                TemplateDataStoreVO tmpltStore =
                    _vmTemplateStoreDao.findByStoreTemplate(storeId, tmplt.getId());
                if (tmpltStore != null
                    && tmpltStore.getDownloadState()
                        == VMTemplateStorageResourceAssoc.Status.DOWNLOADED
                    && tmpltStore.getState() == State.Ready
                    && tmpltStore.getInstallPath() == null) {
                  s_logger.info("Skip sync template for migration of previous NFS to object store");
                  continue;
                }
              }

              if (availHypers.contains(tmplt.getHypervisorType())) {
                s_logger.info(
                    "Downloading template "
                        + tmplt.getUniqueName()
                        + " to image store "
                        + store.getName());
                associateTemplateToZone(tmplt.getId(), zoneId);
                TemplateInfo tmpl =
                    _templateFactory.getTemplate(tmplt.getId(), DataStoreRole.Image);
                createTemplateAsync(tmpl, store, null);
              } else {
                s_logger.info(
                    "Skip downloading template "
                        + tmplt.getUniqueName()
                        + " since current data center does not have hypervisor "
                        + tmplt.getHypervisorType().toString());
              }
            }
          }

          for (String uniqueName : templateInfos.keySet()) {
            TemplateProp tInfo = templateInfos.get(uniqueName);
            if (_tmpltMgr.templateIsDeleteable(tInfo.getId())) {
              // we cannot directly call deleteTemplateSync here to
              // reuse delete logic since in this case, our db does not have
              // this template at all.
              TemplateObjectTO tmplTO = new TemplateObjectTO();
              tmplTO.setDataStore(store.getTO());
              tmplTO.setPath(tInfo.getInstallPath());
              tmplTO.setId(tInfo.getId());
              DeleteCommand dtCommand = new DeleteCommand(tmplTO);
              EndPoint ep = _epSelector.select(store);
              Answer answer = null;
              if (ep == null) {
                String errMsg =
                    "No remote endpoint to send command, check if host or ssvm is down?";
                s_logger.error(errMsg);
                answer = new Answer(dtCommand, false, errMsg);
              } else {
                answer = ep.sendMessage(dtCommand);
              }
              if (answer == null || !answer.getResult()) {
                s_logger.info("Failed to deleted template at store: " + store.getName());

              } else {
                String description =
                    "Deleted template "
                        + tInfo.getTemplateName()
                        + " on secondary storage "
                        + storeId;
                s_logger.info(description);
              }
            }
          }
        } finally {
          syncLock.unlock();
        }
      } else {
        s_logger.info(
            "Couldn't get global lock on "
                + lockString
                + ", another thread may be doing template sync on data store "
                + storeId
                + " now.");
      }
    } finally {
      syncLock.releaseRef();
    }
  }
  @Test(priority = -1)
  public void setUp() {
    ComponentContext.initComponentsLifeCycle();

    host = hostDao.findByGuid(this.getHostGuid());
    if (host != null) {
      dcId = host.getDataCenterId();
      clusterId = host.getClusterId();
      podId = host.getPodId();
      imageStore = this.imageStoreDao.findByName(imageStoreName);
    } else {
      // create data center
      DataCenterVO dc =
          new DataCenterVO(
              UUID.randomUUID().toString(),
              "test",
              "8.8.8.8",
              null,
              "10.0.0.1",
              null,
              "10.0.0.1/24",
              null,
              null,
              NetworkType.Basic,
              null,
              null,
              true,
              true,
              null,
              null);
      dc = dcDao.persist(dc);
      dcId = dc.getId();
      // create pod

      HostPodVO pod =
          new HostPodVO(
              UUID.randomUUID().toString(),
              dc.getId(),
              this.getHostGateway(),
              this.getHostCidr(),
              8,
              "test");
      pod = podDao.persist(pod);
      podId = pod.getId();
      // create xen cluster
      ClusterVO cluster = new ClusterVO(dc.getId(), pod.getId(), "devcloud cluster");
      cluster.setHypervisorType(HypervisorType.VMware.toString());
      cluster.setClusterType(ClusterType.ExternalManaged);
      cluster.setManagedState(ManagedState.Managed);
      cluster = clusterDao.persist(cluster);
      clusterId = cluster.getId();

      // setup vcenter
      ClusterDetailsVO clusterDetailVO = new ClusterDetailsVO(cluster.getId(), "url", null);
      this.clusterDetailsDao.persist(clusterDetailVO);
      clusterDetailVO = new ClusterDetailsVO(cluster.getId(), "username", null);
      this.clusterDetailsDao.persist(clusterDetailVO);
      clusterDetailVO = new ClusterDetailsVO(cluster.getId(), "password", null);
      this.clusterDetailsDao.persist(clusterDetailVO);
      // create xen host

      host = new HostVO(this.getHostGuid());
      host.setName("devcloud vmware host");
      host.setType(Host.Type.Routing);
      host.setPrivateIpAddress(this.getHostIp());
      host.setDataCenterId(dc.getId());
      host.setVersion("6.0.1");
      host.setAvailable(true);
      host.setSetup(true);
      host.setPodId(podId);
      host.setLastPinged(0);
      host.setResourceState(ResourceState.Enabled);
      host.setHypervisorType(HypervisorType.VMware);
      host.setClusterId(cluster.getId());

      host = hostDao.persist(host);

      imageStore = new ImageStoreVO();
      imageStore.setName(imageStoreName);
      imageStore.setDataCenterId(dcId);
      imageStore.setProviderName("CloudStack ImageStore Provider");
      imageStore.setRole(DataStoreRole.Image);
      imageStore.setUrl(this.getSecondaryStorage());
      imageStore.setUuid(UUID.randomUUID().toString());
      imageStore.setProtocol("nfs");
      imageStore = imageStoreDao.persist(imageStore);
    }

    image = new VMTemplateVO();
    image.setTemplateType(TemplateType.USER);
    image.setUrl(this.getTemplateUrl());
    image.setUniqueName(UUID.randomUUID().toString());
    image.setName(UUID.randomUUID().toString());
    image.setPublicTemplate(true);
    image.setFeatured(true);
    image.setRequiresHvm(true);
    image.setBits(64);
    image.setFormat(Storage.ImageFormat.VHD);
    image.setEnablePassword(true);
    image.setEnableSshKey(true);
    image.setGuestOSId(1);
    image.setBootable(true);
    image.setPrepopulate(true);
    image.setCrossZones(true);
    image.setExtractable(true);

    image = imageDataDao.persist(image);

    /*
     * TemplateDataStoreVO templateStore = new TemplateDataStoreVO();
     *
     * templateStore.setDataStoreId(imageStore.getId());
     * templateStore.setDownloadPercent(100);
     * templateStore.setDownloadState(Status.DOWNLOADED);
     * templateStore.setDownloadUrl(imageStore.getUrl());
     * templateStore.setInstallPath(this.getImageInstallPath());
     * templateStore.setTemplateId(image.getId());
     * templateStoreDao.persist(templateStore);
     */

    DataStore store = this.dataStoreMgr.getDataStore(imageStore.getId(), DataStoreRole.Image);
    TemplateInfo template = templateFactory.getTemplate(image.getId(), DataStoreRole.Image);
    DataObject templateOnStore = store.create(template);
    TemplateObjectTO to = new TemplateObjectTO();
    to.setPath(this.getImageInstallPath());
    CopyCmdAnswer answer = new CopyCmdAnswer(to);
    templateOnStore.processEvent(Event.CreateOnlyRequested);
    templateOnStore.processEvent(Event.OperationSuccessed, answer);
  }
  @Override
  public AsyncCallFuture<TemplateApiResult> copyTemplate(
      TemplateInfo srcTemplate, DataStore destStore) {
    // for vmware template, we need to check if ova packing is needed, since template created from
    // snapshot does not have .ova file
    // we invoke createEntityExtractURL to trigger ova packing. Ideally, we can directly use
    // extractURL to pass to following createTemplate.
    // Need to understand what is the background to use two different urls for copy and extract.
    if (srcTemplate.getFormat() == ImageFormat.OVA) {
      ImageStoreEntity tmpltStore = (ImageStoreEntity) srcTemplate.getDataStore();
      tmpltStore.createEntityExtractUrl(
          srcTemplate.getInstallPath(), srcTemplate.getFormat(), srcTemplate);
    }
    // generate a URL from source template ssvm to download to destination data store
    String url = generateCopyUrl(srcTemplate);
    if (url == null) {
      s_logger.warn(
          "Unable to start/resume copy of template "
              + srcTemplate.getUniqueName()
              + " to "
              + destStore.getName()
              + ", no secondary storage vm in running state in source zone");
      throw new CloudRuntimeException("No secondary VM in running state in source template zone ");
    }

    TemplateObject tmplForCopy =
        (TemplateObject) _templateFactory.getTemplate(srcTemplate, destStore);
    if (s_logger.isDebugEnabled()) {
      s_logger.debug("Setting source template url to " + url);
    }
    tmplForCopy.setUrl(url);

    if (s_logger.isDebugEnabled()) {
      s_logger.debug("Mark template_store_ref entry as Creating");
    }
    AsyncCallFuture<TemplateApiResult> future = new AsyncCallFuture<TemplateApiResult>();
    DataObject templateOnStore = destStore.create(tmplForCopy);
    templateOnStore.processEvent(Event.CreateOnlyRequested);

    if (s_logger.isDebugEnabled()) {
      s_logger.debug("Invoke datastore driver createAsync to create template on destination store");
    }
    try {
      TemplateOpContext<TemplateApiResult> context =
          new TemplateOpContext<TemplateApiResult>(null, (TemplateObject) templateOnStore, future);
      AsyncCallbackDispatcher<TemplateServiceImpl, CreateCmdResult> caller =
          AsyncCallbackDispatcher.create(this);
      caller
          .setCallback(caller.getTarget().copyTemplateCrossZoneCallBack(null, null))
          .setContext(context);
      destStore.getDriver().createAsync(destStore, templateOnStore, caller);
    } catch (CloudRuntimeException ex) {
      // clean up already persisted template_store_ref entry in case of createTemplateCallback is
      // never called
      TemplateDataStoreVO templateStoreVO =
          _vmTemplateStoreDao.findByStoreTemplate(destStore.getId(), srcTemplate.getId());
      if (templateStoreVO != null) {
        TemplateInfo tmplObj = _templateFactory.getTemplate(srcTemplate, destStore);
        tmplObj.processEvent(ObjectInDataStoreStateMachine.Event.OperationFailed);
      }
      TemplateApiResult res = new TemplateApiResult((TemplateObject) templateOnStore);
      res.setResult(ex.getMessage());
      future.complete(res);
    }
    return future;
  }