public void vcenterClusterCreateDatastoreOperation( URI vcenterId, URI vcenterDataCenterId, URI clusterId, URI volumeId, String selectHostStepId, String stepId) { VcenterApiClient vcenterApiClient = null; try { WorkflowStepCompleter.stepExecuting(stepId); URI hostId = (URI) _workflowService.loadStepData(selectHostStepId); if (hostId == null) { _log.error("Workflow loadStepData on " + selectHostStepId + " is null"); throw new Exception("Workflow loadStepData on " + selectHostStepId + " is null"); } VcenterDataCenter vcenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, vcenterDataCenterId); Cluster cluster = _dbClient.queryObject(Cluster.class, clusterId); Vcenter vcenter = _dbClient.queryObject(Vcenter.class, vcenterId); Host host = _dbClient.queryObject(Host.class, hostId); Volume volume = _dbClient.queryObject(Volume.class, volumeId); vcenterApiClient = new VcenterApiClient(_coordinator.getPropertyInfo()); vcenterApiClient.setup(vcenter.getIpAddress(), vcenter.getUsername(), vcenter.getPassword()); String key = vcenterApiClient.createDatastore( vcenterDataCenter.getLabel(), cluster.getExternalId(), host.getHostName(), volume.getWWN(), volume.getLabel()); _log.info("Successfully created or located datastore " + volume.getLabel() + " " + key); host.setVcenterDataCenter(vcenterDataCenter.getId()); _dbClient.updateAndReindexObject(host); WorkflowStepCompleter.stepSucceded(stepId); } catch (Exception e) { _log.error("vcenterClusterCreateDatastoreOperation exception " + e); WorkflowStepCompleter.stepFailed( stepId, VcenterControllerException.exceptions.hostException(e.getLocalizedMessage(), e)); } finally { if (vcenterApiClient != null) vcenterApiClient.destroy(); } }