Examples with Cluster com.emc.storageos.db.client.model.Cluster used on opensource projects

Example 1 with Cluster

use of com.emc.storageos.db.client.model.Cluster in project coprhd-controller by CoprHD.

the class RPDeviceController method exportOrchestrationSteps.

/**
 * @param volumeDescriptors
 *            - Volume descriptors
 * @param rpSystemId
 *            - RP system
 * @param taskId
 *            - task ID
 * @return - True on success, false otherwise
 * @throws InternalException
 */
public boolean exportOrchestrationSteps(List<VolumeDescriptor> volumeDescriptors, URI rpSystemId, String taskId) throws InternalException {
    List<URI> volUris = VolumeDescriptor.getVolumeURIs(volumeDescriptors);
    RPCGExportOrchestrationCompleter completer = new RPCGExportOrchestrationCompleter(volUris, taskId);
    Workflow workflow = null;
    boolean lockException = false;
    Map<URI, Set<URI>> exportGroupVolumesAdded = new HashMap<URI, Set<URI>>();
    exportGroupsCreated = new ArrayList<URI>();
    final String COMPUTE_RESOURCE_CLUSTER = "cluster";
    try {
        final String workflowKey = "rpExportOrchestration";
        if (!WorkflowService.getInstance().hasWorkflowBeenCreated(taskId, workflowKey)) {
            // Generate the Workflow.
            workflow = _workflowService.getNewWorkflow(this, EXPORT_ORCHESTRATOR_WF_NAME, true, taskId);
            // the wait for key returned by previous call
            String waitFor = null;
            ProtectionSystem rpSystem = _dbClient.queryObject(ProtectionSystem.class, rpSystemId);
            // Get the CG Params based on the volume descriptors
            CGRequestParams params = this.getCGRequestParams(volumeDescriptors, rpSystem);
            updateCGParams(params);
            _log.info("Start adding RP Export Volumes steps....");
            // Get the RP Exports from the CGRequestParams object
            Collection<RPExport> rpExports = generateStorageSystemExportMaps(params, volumeDescriptors);
            Map<String, Set<URI>> rpSiteInitiatorsMap = getRPSiteInitiators(rpSystem, rpExports);
            // Acquire all the RP lock keys needed for export before we start assembling the export groups.
            acquireRPLockKeysForExport(taskId, rpExports, rpSiteInitiatorsMap);
            // or create a new one.
            for (RPExport rpExport : rpExports) {
                URI storageSystemURI = rpExport.getStorageSystem();
                String internalSiteName = rpExport.getRpSite();
                URI varrayURI = rpExport.getVarray();
                List<URI> volumes = rpExport.getVolumes();
                List<URI> initiatorSet = new ArrayList<URI>();
                String rpSiteName = (rpSystem.getRpSiteNames() != null) ? rpSystem.getRpSiteNames().get(internalSiteName) : internalSiteName;
                StorageSystem storageSystem = _dbClient.queryObject(StorageSystem.class, storageSystemURI);
                VirtualArray varray = _dbClient.queryObject(VirtualArray.class, varrayURI);
                _log.info("--------------------");
                _log.info(String.format("RP Export: StorageSystem = [%s] RPSite = [%s] VirtualArray = [%s]", storageSystem.getLabel(), rpSiteName, varray.getLabel()));
                boolean isJournalExport = rpExport.getIsJournalExport();
                String exportGroupGeneratedName = RPHelper.generateExportGroupName(rpSystem, storageSystem, internalSiteName, varray, isJournalExport);
                // Setup the export group - we may or may not need to create it, but we need to have everything ready in case we do
                ExportGroup exportGroup = RPHelper.createRPExportGroup(exportGroupGeneratedName, varray, _dbClient.queryObject(Project.class, params.getProject()), 0, isJournalExport);
                // Get the initiators of the RP Cluster (all of the RPAs on one side of a configuration)
                Map<String, Map<String, String>> rpaWWNs = RPHelper.getRecoverPointClient(rpSystem).getInitiatorWWNs(internalSiteName);
                if (rpaWWNs == null || rpaWWNs.isEmpty()) {
                    throw DeviceControllerExceptions.recoverpoint.noInitiatorsFoundOnRPAs();
                }
                // Convert to initiator object
                List<Initiator> initiators = new ArrayList<Initiator>();
                for (String rpaId : rpaWWNs.keySet()) {
                    for (Map.Entry<String, String> rpaWWN : rpaWWNs.get(rpaId).entrySet()) {
                        Initiator initiator = ExportUtils.getInitiator(rpaWWN.getKey(), _dbClient);
                        initiators.add(initiator);
                    }
                }
                // We need to find and distill only those RP initiators that correspond to the network of the
                // storage
                // system and
                // that network has front end port from the storage system.
                // In certain lab environments, its quite possible that there are 2 networks one for the storage
                // system
                // FE ports and one for
                // the BE ports.
                // In such configs, RP initiators will be spread across those 2 networks. RP controller does not
                // care
                // about storage system
                // back-end ports, so
                // we will ignore those initiators that are connected to a network that has only storage system back
                // end
                // port connectivity.
                Map<URI, Set<Initiator>> rpNetworkToInitiatorsMap = new HashMap<URI, Set<Initiator>>();
                Set<URI> rpSiteInitiatorUris = rpSiteInitiatorsMap.get(internalSiteName);
                if (rpSiteInitiatorUris != null) {
                    for (URI rpSiteInitiatorUri : rpSiteInitiatorUris) {
                        Initiator rpSiteInitiator = _dbClient.queryObject(Initiator.class, rpSiteInitiatorUri);
                        URI rpInitiatorNetworkURI = getInitiatorNetwork(exportGroup, rpSiteInitiator);
                        if (rpInitiatorNetworkURI != null) {
                            if (rpNetworkToInitiatorsMap.get(rpInitiatorNetworkURI) == null) {
                                rpNetworkToInitiatorsMap.put(rpInitiatorNetworkURI, new HashSet<Initiator>());
                            }
                            rpNetworkToInitiatorsMap.get(rpInitiatorNetworkURI).add(rpSiteInitiator);
                            _log.info(String.format("RP Initiator [%s] found on network: [%s]", rpSiteInitiator.getInitiatorPort(), rpInitiatorNetworkURI.toASCIIString()));
                        } else {
                            _log.info(String.format("RP Initiator [%s] was not found on any network. Excluding from automated exports", rpSiteInitiator.getInitiatorPort()));
                        }
                    }
                }
                // Compute numPaths. This is how its done:
                // We know the RP site and the Network/TransportZone it is on.
                // Determine all the storage ports for the storage array for all the networks they are on.
                // Next, if we find the network for the RP site in the above list, return all the storage ports
                // corresponding to that.
                // For RP we will try and use as many Storage ports as possible.
                Map<URI, List<StoragePort>> initiatorPortMap = getInitiatorPortsForArray(rpNetworkToInitiatorsMap, storageSystemURI, varrayURI, rpSiteName);
                for (URI networkURI : initiatorPortMap.keySet()) {
                    for (StoragePort storagePort : initiatorPortMap.get(networkURI)) {
                        _log.info(String.format("Network : [%s] - Port : [%s]", networkURI.toString(), storagePort.getLabel()));
                    }
                }
                int numPaths = computeNumPaths(initiatorPortMap, varrayURI, storageSystem);
                _log.info("Total paths = " + numPaths);
                // Stems from above comment where we distill the RP network and the initiators in that network.
                List<Initiator> initiatorList = new ArrayList<Initiator>();
                for (URI rpNetworkURI : rpNetworkToInitiatorsMap.keySet()) {
                    if (initiatorPortMap.containsKey(rpNetworkURI)) {
                        initiatorList.addAll(rpNetworkToInitiatorsMap.get(rpNetworkURI));
                    }
                }
                for (Initiator initiator : initiatorList) {
                    initiatorSet.add(initiator.getId());
                }
                // See if the export group already exists
                ExportGroup exportGroupInDB = exportGroupExistsInDB(exportGroup);
                boolean addExportGroupToDB = false;
                if (exportGroupInDB != null) {
                    exportGroup = exportGroupInDB;
                    // If the export already exists, check to see if any of the volumes have already been exported.
                    // No
                    // need to
                    // re-export volumes.
                    List<URI> volumesToRemove = new ArrayList<URI>();
                    for (URI volumeURI : volumes) {
                        if (exportGroup.getVolumes() != null && !exportGroup.getVolumes().isEmpty() && exportGroup.getVolumes().containsKey(volumeURI.toString())) {
                            _log.info(String.format("Volume [%s] already exported to export group [%s], " + "it will be not be re-exported", volumeURI.toString(), exportGroup.getGeneratedName()));
                            volumesToRemove.add(volumeURI);
                        }
                    }
                    // Remove volumes if they have already been exported
                    if (!volumesToRemove.isEmpty()) {
                        volumes.removeAll(volumesToRemove);
                    }
                    // nothing else needs to be done here.
                    if (volumes.isEmpty()) {
                        _log.info(String.format("No volumes needed to be exported to export group [%s], continue", exportGroup.getGeneratedName()));
                        continue;
                    }
                } else {
                    addExportGroupToDB = true;
                }
                // Add volumes to the export group
                Map<URI, Integer> volumesToAdd = new HashMap<URI, Integer>();
                for (URI volumeID : volumes) {
                    exportGroup.addVolume(volumeID, ExportGroup.LUN_UNASSIGNED);
                    volumesToAdd.put(volumeID, ExportGroup.LUN_UNASSIGNED);
                }
                // Keep track of volumes added to export group
                if (!volumesToAdd.isEmpty()) {
                    exportGroupVolumesAdded.put(exportGroup.getId(), volumesToAdd.keySet());
                }
                // volume
                if (rpExport.getComputeResource() != null) {
                    URI computeResource = rpExport.getComputeResource();
                    _log.info(String.format("RP Export: ComputeResource : %s", computeResource.toString()));
                    if (computeResource.toString().toLowerCase().contains(COMPUTE_RESOURCE_CLUSTER)) {
                        Cluster cluster = _dbClient.queryObject(Cluster.class, computeResource);
                        exportGroup.addCluster(cluster);
                    } else {
                        Host host = _dbClient.queryObject(Host.class, rpExport.getComputeResource());
                        exportGroup.addHost(host);
                    }
                }
                // Persist the export group
                if (addExportGroupToDB) {
                    exportGroup.addInitiators(initiatorSet);
                    exportGroup.setNumPaths(numPaths);
                    _dbClient.createObject(exportGroup);
                    // Keep track of newly created EGs in case of rollback
                    exportGroupsCreated.add(exportGroup.getId());
                } else {
                    _dbClient.updateObject(exportGroup);
                }
                // If the export group already exists, add the volumes to it, otherwise create a brand new
                // export group.
                StringBuilder buffer = new StringBuilder();
                buffer.append(String.format(DASHED_NEWLINE));
                if (!addExportGroupToDB) {
                    buffer.append(String.format("Adding volumes to existing Export Group for Storage System [%s], RP Site [%s], Virtual Array [%s]%n", storageSystem.getLabel(), rpSiteName, varray.getLabel()));
                    buffer.append(String.format("Export Group name is : [%s]%n", exportGroup.getGeneratedName()));
                    buffer.append(String.format("Export Group will have these volumes added: [%s]%n", Joiner.on(',').join(volumes)));
                    buffer.append(String.format(DASHED_NEWLINE));
                    _log.info(buffer.toString());
                    waitFor = _exportWfUtils.generateExportGroupAddVolumes(workflow, STEP_EXPORT_GROUP, waitFor, storageSystemURI, exportGroup.getId(), volumesToAdd);
                    _log.info("Added Export Group add volumes step in workflow");
                } else {
                    buffer.append(String.format("Creating new Export Group for Storage System [%s], RP Site [%s], Virtual Array [%s]%n", storageSystem.getLabel(), rpSiteName, varray.getLabel()));
                    buffer.append(String.format("Export Group name is: [%s]%n", exportGroup.getGeneratedName()));
                    buffer.append(String.format("Export Group will have these initiators: [%s]%n", Joiner.on(',').join(initiatorSet)));
                    buffer.append(String.format("Export Group will have these volumes added: [%s]%n", Joiner.on(',').join(volumes)));
                    buffer.append(String.format(DASHED_NEWLINE));
                    _log.info(buffer.toString());
                    String exportStep = workflow.createStepId();
                    initTaskStatus(exportGroup, exportStep, Operation.Status.pending, "create export");
                    waitFor = _exportWfUtils.generateExportGroupCreateWorkflow(workflow, STEP_EXPORT_GROUP, waitFor, storageSystemURI, exportGroup.getId(), volumesToAdd, initiatorSet);
                    _log.info("Added Export Group create step in workflow. New Export Group Id: " + exportGroup.getId());
                }
            }
            String successMessage = "Export orchestration completed successfully";
            // Finish up and execute the plan.
            // The Workflow will handle the TaskCompleter
            Object[] callbackArgs = new Object[] { volUris };
            workflow.executePlan(completer, successMessage, new WorkflowCallback(), callbackArgs, null, null);
            // Mark this workflow as created/executed so we don't do it again on retry/resume
            WorkflowService.getInstance().markWorkflowBeenCreated(taskId, workflowKey);
        }
    } catch (LockRetryException ex) {
        /**
         * Added this catch block to mark the current workflow as completed so that lock retry will not get exception while creating new
         * workflow using the same taskid.
         */
        _log.warn(String.format("Lock retry exception key: %s remaining time %d", ex.getLockIdentifier(), ex.getRemainingWaitTimeSeconds()));
        if (workflow != null && !NullColumnValueGetter.isNullURI(workflow.getWorkflowURI()) && workflow.getWorkflowState() == WorkflowState.CREATED) {
            com.emc.storageos.db.client.model.Workflow wf = _dbClient.queryObject(com.emc.storageos.db.client.model.Workflow.class, workflow.getWorkflowURI());
            if (!wf.getCompleted()) {
                _log.error("Marking the status to completed for the newly created workflow {}", wf.getId());
                wf.setCompleted(true);
                _dbClient.updateObject(wf);
            }
        }
        throw ex;
    } catch (Exception ex) {
        _log.error("Could not create volumes: " + volUris, ex);
        // Rollback ViPR level RP export group changes
        rpExportGroupRollback();
        if (workflow != null) {
            _workflowService.releaseAllWorkflowLocks(workflow);
        }
        String opName = ResourceOperationTypeEnum.CREATE_BLOCK_VOLUME.getName();
        ServiceError serviceError = null;
        if (lockException) {
            serviceError = DeviceControllerException.errors.createVolumesAborted(volUris.toString(), ex);
        } else {
            serviceError = DeviceControllerException.errors.createVolumesFailed(volUris.toString(), opName, ex);
        }
        completer.error(_dbClient, _locker, serviceError);
        return false;
    }
    _log.info("End adding RP Export Volumes steps.");
    return true;
}

Example 2 with Cluster

use of com.emc.storageos.db.client.model.Cluster in project coprhd-controller by CoprHD.

the class VcenterControllerImpl method createOrUpdateVcenterCluster.

private void createOrUpdateVcenterCluster(boolean createCluster, AsyncTask task, URI clusterUri, URI[] addHostUris, URI[] removeHostUris, URI[] volumeUris) throws InternalException {
    TaskCompleter completer = null;
    try {
        _log.info("createOrUpdateVcenterCluster " + createCluster + " " + task + " " + clusterUri + " " + addHostUris + " " + removeHostUris);
        if (task == null) {
            _log.error("AsyncTask is null");
            throw new Exception("AsyncTask is null");
        }
        URI vcenterDataCenterId = task._id;
        VcenterDataCenter vcenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, vcenterDataCenterId);
        if (clusterUri == null) {
            _log.error("Cluster URI is null");
            throw new Exception("Cluster URI is null");
        }
        Cluster cluster = _dbClient.queryObject(Cluster.class, clusterUri);
        Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterDataCenter.getVcenter());
        _log.info("Request to create or update cluster " + vcenter.getIpAddress() + "/" + vcenterDataCenter.getLabel() + "/" + cluster.getLabel());
        Collection<Host> addHosts = new ArrayList<Host>();
        if (addHostUris == null || addHostUris.length == 0) {
            _log.info("Add host URIs is null or empty - Cluster will be created without hosts");
        } else {
            for (URI hostUri : addHostUris) {
                _log.info("createOrUpdateVcenterCluster " + clusterUri + " with add host " + hostUri);
            }
            addHosts = _dbClient.queryObject(Host.class, addHostUris);
        }
        Collection<Host> removeHosts = new ArrayList<Host>();
        if (removeHostUris == null || removeHostUris.length == 0) {
            _log.info("Remove host URIs is null or empty - Cluster will have no removed hosts");
        } else {
            for (URI hostUri : removeHostUris) {
                _log.info("createOrUpdateVcenterCluster " + clusterUri + " with remove host " + hostUri);
            }
            removeHosts = _dbClient.queryObject(Host.class, removeHostUris);
        }
        Collection<Volume> volumes = new ArrayList<Volume>();
        if (volumeUris == null || volumeUris.length == 0) {
            _log.info("Volume URIs is null or empty - Cluster will be created without datastores");
        } else {
            for (URI volumeUri : volumeUris) {
                _log.info("createOrUpdateVcenterCluster " + clusterUri + " with volume " + volumeUri);
            }
            volumes = _dbClient.queryObject(Volume.class, volumeUris);
        }
        completer = new VcenterClusterCompleter(vcenterDataCenterId, task._opId, OperationTypeEnum.CREATE_UPDATE_VCENTER_CLUSTER, "VCENTER_CONTROLLER");
        Workflow workflow = _workflowService.getNewWorkflow(this, "CREATE_UPDATE_VCENTER_CLUSTER_WORKFLOW", true, task._opId);
        String clusterStep = workflow.createStep("CREATE_UPDATE_VCENTER_CLUSTER_STEP", String.format("vCenter cluster operation in vCenter datacenter %s", vcenterDataCenterId), null, vcenterDataCenterId, vcenterDataCenterId.toString(), this.getClass(), new Workflow.Method("createUpdateVcenterClusterOperation", createCluster, vcenter.getId(), vcenterDataCenter.getId(), cluster.getId()), null, null);
        String lastStep = clusterStep;
        if (!removeHosts.isEmpty()) {
            for (Host host : removeHosts) {
                String hostStep = workflow.createStep("VCENTER_CLUSTER_REMOVE_HOST", String.format("vCenter cluster remove host operation %s", host.getId()), clusterStep, vcenterDataCenterId, vcenterDataCenterId.toString(), this.getClass(), new Workflow.Method("vcenterClusterRemoveHostOperation", vcenter.getId(), vcenterDataCenter.getId(), cluster.getId(), host.getId()), null, null);
                // add host will wait on last of these
                lastStep = hostStep;
            }
        }
        if (!addHosts.isEmpty()) {
            for (Host host : addHosts) {
                String hostStep = workflow.createStep("VCENTER_CLUSTER_ADD_HOST", String.format("vCenter cluster add host operation %s", host.getId()), lastStep, vcenterDataCenterId, vcenterDataCenterId.toString(), this.getClass(), new Workflow.Method("vcenterClusterAddHostOperation", vcenter.getId(), vcenterDataCenter.getId(), cluster.getId(), host.getId()), null, null);
            }
        }
        workflow.executePlan(completer, "Success");
    } catch (Exception e) {
        _log.error("createOrUpdateVcenterCluster caught an exception.", e);
        ServiceError serviceError = DeviceControllerException.errors.jobFailed(e);
        completer.error(_dbClient, serviceError);
    }
}

Example 3 with Cluster

use of com.emc.storageos.db.client.model.Cluster in project coprhd-controller by CoprHD.

the class VcenterControllerImpl method removeVcenterCluster.

@Override
public void removeVcenterCluster(URI datacenterUri, URI clusterUri) throws InternalException {
    VcenterApiClient vcenterApiClient = null;
    try {
        VcenterDataCenter vcenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, datacenterUri);
        Cluster cluster = _dbClient.queryObject(Cluster.class, clusterUri);
        Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterDataCenter.getVcenter());
        _log.info("Request to remove cluster " + vcenter.getLabel() + "/" + vcenterDataCenter.getLabel() + "/" + cluster.getLabel());
        vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
        vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword(), vcenter.getPortNumber());
        vcenterApiClient.removeCluster(vcenterDataCenter.getLabel(), cluster.getExternalId());
    } catch (VcenterObjectConnectionException e) {
        throw VcenterControllerException.exceptions.objectConnectionException(e.getLocalizedMessage(), e);
    } catch (VcenterObjectNotFoundException e) {
        throw VcenterControllerException.exceptions.objectNotFoundException(e.getLocalizedMessage(), e);
    } catch (VcenterServerConnectionException e) {
        throw VcenterControllerException.exceptions.serverConnectionException(e.getLocalizedMessage(), e);
    } catch (Exception e) {
        _log.error("removeVcenterCluster exception " + e);
        throw VcenterControllerException.exceptions.unexpectedException(e.getLocalizedMessage(), e);
    } finally {
        if (vcenterApiClient != null) {
            vcenterApiClient.destroy();
        }
    }
}

Example 4 with Cluster

use of com.emc.storageos.db.client.model.Cluster in project coprhd-controller by CoprHD.

the class VcenterControllerImpl method exitMaintenanceMode.

@Override
public void exitMaintenanceMode(URI datacenterUri, URI clusterUri, URI hostUri) throws InternalException {
    VcenterApiClient vcenterApiClient = null;
    try {
        Host host = _dbClient.queryObject(Host.class, hostUri);
        VcenterDataCenter vcenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, datacenterUri);
        Cluster cluster = _dbClient.queryObject(Cluster.class, clusterUri);
        Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterDataCenter.getVcenter());
        _log.info("Request to exit maintenance mode for " + vcenter.getLabel() + "/" + vcenterDataCenter.getLabel() + "/" + cluster.getLabel() + "/" + host.getHostName());
        vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo());
        vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword(), vcenter.getPortNumber());
        vcenterApiClient.exitMaintenanceMode(vcenterDataCenter.getLabel(), cluster.getExternalId(), host.getHostName());
    } catch (VcenterObjectConnectionException e) {
        throw VcenterControllerException.exceptions.objectConnectionException(e.getLocalizedMessage(), e);
    } catch (VcenterObjectNotFoundException e) {
        throw VcenterControllerException.exceptions.objectNotFoundException(e.getLocalizedMessage(), e);
    } catch (VcenterServerConnectionException e) {
        throw VcenterControllerException.exceptions.serverConnectionException(e.getLocalizedMessage(), e);
    } catch (Exception e) {
        _log.error("exitMaintenanceMode exception " + e);
        throw VcenterControllerException.exceptions.unexpectedException(e.getLocalizedMessage(), e);
    } finally {
        if (vcenterApiClient != null) {
            vcenterApiClient.destroy();
        }
    }
}

Example 5 with Cluster

use of com.emc.storageos.db.client.model.Cluster in project coprhd-controller by CoprHD.

the class VcenterDiscoveryAdapter method deleteDatacenters.

private void deleteDatacenters(Iterable<VcenterDataCenter> datacenters, List<URI> deletedHosts, List<URI> deletedClusters) {
    for (VcenterDataCenter datacenter : datacenters) {
        boolean containsHosts = false;
        boolean clustersInUse = false;
        for (Cluster cluster : getClusters(datacenter)) {
            deletedClusters.add(cluster.getId());
        }
        for (Host host : getHosts(datacenter)) {
            deletedHosts.add(host.getId());
            containsHosts = true;
        }
        for (Cluster cluster : getClusters(datacenter)) {
            URI clusterId = cluster.getId();
            List<URI> hostUris = ComputeSystemHelper.getChildrenUris(dbClient, clusterId, Host.class, "cluster");
            if (hostUris.isEmpty() && !ComputeSystemHelper.isClusterInExport(dbClient, clusterId) && EventUtils.findAffectedResourcePendingEvents(dbClient, clusterId).isEmpty()) {
                info("Deactivating Cluster: " + clusterId);
                ComputeSystemHelper.doDeactivateCluster(dbClient, cluster);
            } else {
                info("Unable to delete cluster " + clusterId);
                clustersInUse = true;
            }
        }
        // delete datacenters that don't contain any clusters or hosts, don't have any exports, and don't have any pending events
        if (!containsHosts && !clustersInUse && !ComputeSystemHelper.isDataCenterInUse(dbClient, datacenter.getId()) && EventUtils.findAffectedResourcePendingEvents(dbClient, datacenter.getId()).isEmpty()) {
            info("Deactivating Datacenter: " + datacenter.getId());
            ComputeSystemHelper.doDeactivateVcenterDataCenter(dbClient, datacenter);
        } else {
            info("Unable to delete datacenter " + datacenter.getId());
        }
    }
}