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

Example 6 with VcenterDataCenter

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

the class ComputeSystemControllerImpl method verifyDatastore.

/**
 * Verifies that datastores contained within an export group can be unmounted. It must not be entering maintenance mode or contain any
 * virtual machines running on the given ESXi host.
 *
 * @param exportGroupId
 *            export group that contains volumes
 * @param vcenterId
 *            vcenter that the host belongs to
 * @param vcenterDatacenter
 *            vcenter datacenter that the host belongs to
 * @param esxHostname
 *            the hostname of the ESXi host
 *
 * @param stepId
 *            the id of the workflow step
 */
public void verifyDatastore(URI exportGroupId, URI vCenterId, URI vcenterDatacenter, String esxHostname, String stepId) {
    WorkflowStepCompleter.stepExecuting(stepId);
    try {
        Vcenter vCenter = _dbClient.queryObject(Vcenter.class, vCenterId);
        VcenterDataCenter vCenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, vcenterDatacenter);
        ExportGroup exportGroup = _dbClient.queryObject(ExportGroup.class, exportGroupId);
        VCenterAPI api = VcenterDiscoveryAdapter.createVCenterAPI(vCenter);
        HostSystem host = api.findHostSystem(vCenterDataCenter.getLabel(), esxHostname);
        if (host == null) {
            _log.info("Not able to find host " + esxHostname + " in vCenter. Unable to validate");
            WorkflowStepCompleter.stepSucceded(stepId);
            return;
        }
        Map<String, Datastore> wwnDatastores = getWwnDatastoreMap(host);
        if (exportGroup != null && exportGroup.getVolumes() != null) {
            for (String volume : exportGroup.getVolumes().keySet()) {
                BlockObject blockObject = BlockObject.fetch(_dbClient, URI.create(volume));
                Datastore datastore = getDatastoreByWwn(wwnDatastores, blockObject.getWWN());
                if (datastore != null) {
                    ComputeSystemHelper.verifyDatastore(datastore, host);
                }
            }
        }
        // Test mechanism to invoke a failure. No-op on production systems.
        InvokeTestFailure.internalOnlyInvokeTestFailure(InvokeTestFailure.ARTIFICIAL_FAILURE_029);
        WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception ex) {
        _log.error(ex.getMessage(), ex);
        WorkflowStepCompleter.stepFailed(stepId, DeviceControllerException.errors.jobFailed(ex));
    }
}

Example 7 with VcenterDataCenter

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

the class ComputeSystemControllerImpl method rescanHostStorage.

/**
 * Rescans HBAs and storage system for an ESX host
 *
 * @param hostId the host id
 * @param vCenterId the vcenter id
 * @param vcenterDatacenter the vcenter datacenter id
 * @param stepId the workflow step
 */
public void rescanHostStorage(URI hostId, URI vCenterId, URI vcenterDatacenter, String stepId) {
    WorkflowStepCompleter.stepExecuting(stepId);
    try {
        Host esxHost = _dbClient.queryObject(Host.class, hostId);
        Vcenter vCenter = _dbClient.queryObject(Vcenter.class, vCenterId);
        VcenterDataCenter vCenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, vcenterDatacenter);
        VCenterAPI api = VcenterDiscoveryAdapter.createVCenterAPI(vCenter);
        HostSystem hostSystem = api.findHostSystem(vCenterDataCenter.getLabel(), esxHost.getLabel());
        if (hostSystem == null) {
            _log.info("Not able to find host {} in vCenter. Unable to refresh HBAs", esxHost.getLabel());
            WorkflowStepCompleter.stepSucceded(stepId);
            return;
        }
        HostStorageAPI storageAPI = new HostStorageAPI(hostSystem);
        storageAPI.refreshStorage();
        WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception ex) {
        _log.error(ex.getMessage(), ex);
        WorkflowStepCompleter.stepFailed(stepId, DeviceControllerException.errors.jobFailed(ex));
    }
}

Example 8 with VcenterDataCenter

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

the class ComputeSystemControllerImpl method attachAndMountVolumes.

/**
 * Creates workflow steps for attaching disks and mounting datastores
 *
 * @param vCenterHostExportMap
 *            the map of hosts and export groups to operate on
 * @param waitFor
 *            the step to wait on for this workflow step
 * @param workflow
 *            the workflow to create the step
 * @return the step id
 */
private String attachAndMountVolumes(Map<URI, Collection<URI>> vCenterHostExportMap, String waitFor, Workflow workflow) {
    if (vCenterHostExportMap == null) {
        return waitFor;
    }
    for (URI hostId : vCenterHostExportMap.keySet()) {
        Host esxHost = _dbClient.queryObject(Host.class, hostId);
        if (esxHost != null) {
            URI virtualDataCenter = esxHost.getVcenterDataCenter();
            VcenterDataCenter vcenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, virtualDataCenter);
            URI vCenterId = vcenterDataCenter.getVcenter();
            for (URI export : vCenterHostExportMap.get(hostId)) {
                waitFor = workflow.createStep(MOUNT_AND_ATTACH_STEP, String.format("Mounting and attaching volumes from export group %s", export), waitFor, export, export.toString(), this.getClass(), attachAndMountMethod(export, esxHost.getId(), vCenterId, vcenterDataCenter.getId()), rollbackMethodNullMethod(), null);
            }
        }
    }
    return waitFor;
}

Example 9 with VcenterDataCenter

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

the class ComputeSystemControllerImpl method attachAndMount.

/**
 * Attaches and mounts every disk and datastore associated with the volumes in the export group.
 * For each volume in the export group, the associated disk is attached to the host and any datastores backed by the
 * volume are mounted
 * to the host.
 *
 * @param exportGroupId
 *            export group that contains volumes
 * @param hostId
 *            host to attach and mount to
 * @param vcenterId
 *            vcenter that the host belongs to
 * @param vcenterDatacenter
 *            vcenter datacenter that the host belongs to
 * @param stepId
 *            the id of the workflow step
 */
public void attachAndMount(URI exportGroupId, URI hostId, URI vCenterId, URI vcenterDatacenter, String stepId) {
    WorkflowStepCompleter.stepExecuting(stepId);
    try {
        // Test mechanism to invoke a failure. No-op on production systems.
        InvokeTestFailure.internalOnlyInvokeTestFailure(InvokeTestFailure.ARTIFICIAL_FAILURE_054);
        Host esxHost = _dbClient.queryObject(Host.class, hostId);
        Vcenter vCenter = _dbClient.queryObject(Vcenter.class, vCenterId);
        VcenterDataCenter vCenterDataCenter = _dbClient.queryObject(VcenterDataCenter.class, vcenterDatacenter);
        ExportGroup exportGroup = _dbClient.queryObject(ExportGroup.class, exportGroupId);
        VCenterAPI api = VcenterDiscoveryAdapter.createVCenterAPI(vCenter);
        HostSystem hostSystem = api.findHostSystem(vCenterDataCenter.getLabel(), esxHost.getLabel());
        if (hostSystem == null) {
            _log.info("Not able to find host " + esxHost.getLabel() + " in vCenter. Unable to attach disks and mount datastores");
            WorkflowStepCompleter.stepSucceded(stepId);
            return;
        }
        HostStorageAPI storageAPI = new HostStorageAPI(hostSystem);
        if (exportGroup != null && exportGroup.getVolumes() != null) {
            _log.info("Refreshing storage");
            storageAPI.refreshStorage();
            Set<BlockObject> blockObjects = Sets.newHashSet();
            for (String volume : exportGroup.getVolumes().keySet()) {
                BlockObject blockObject = BlockObject.fetch(_dbClient, URI.create(volume));
                blockObjects.add(blockObject);
                for (HostScsiDisk entry : storageAPI.listScsiDisks()) {
                    if (VolumeWWNUtils.wwnMatches(VMwareUtils.getDiskWwn(entry), blockObject.getWWN())) {
                        if (VMwareUtils.isDiskOff(entry)) {
                            _log.info("Attach SCSI Lun " + entry.getCanonicalName() + " on host " + esxHost.getLabel());
                            storageAPI.attachScsiLun(entry);
                        }
                        // Test mechanism to invoke a failure. No-op on production systems.
                        InvokeTestFailure.internalOnlyInvokeTestFailure(InvokeTestFailure.ARTIFICIAL_FAILURE_055);
                        break;
                    }
                }
            }
            int retries = 0;
            while (retries++ < MAXIMUM_RESCAN_ATTEMPTS && !blockObjects.isEmpty()) {
                _log.info("Rescanning VMFS for host " + esxHost.getLabel());
                storageAPI.getStorageSystem().rescanVmfs();
                _log.info("Waiting for {} milliseconds before checking for datastores", RESCAN_DELAY_MS);
                Thread.sleep(RESCAN_DELAY_MS);
                _log.info("Looking for datastores for {} volumes", blockObjects.size());
                Map<String, Datastore> wwnDatastores = getWwnDatastoreMap(hostSystem);
                Iterator<BlockObject> objectIterator = blockObjects.iterator();
                while (objectIterator.hasNext()) {
                    BlockObject blockObject = objectIterator.next();
                    if (blockObject != null) {
                        Datastore datastore = getDatastoreByWwn(wwnDatastores, blockObject.getWWN());
                        if (datastore != null && VMwareUtils.isDatastoreMountedOnHost(datastore, hostSystem)) {
                            _log.info("Datastore {} is already mounted on {}", datastore.getName(), esxHost.getLabel());
                            objectIterator.remove();
                        } else if (datastore != null && !VMwareUtils.isDatastoreMountedOnHost(datastore, hostSystem)) {
                            _log.info("Mounting datastore {} on host {}", datastore.getName(), esxHost.getLabel());
                            storageAPI.mountDatastore(datastore);
                            objectIterator.remove();
                            // Test mechanism to invoke a failure. No-op on production systems.
                            InvokeTestFailure.internalOnlyInvokeTestFailure(InvokeTestFailure.ARTIFICIAL_FAILURE_056);
                        }
                    }
                }
            }
        }
        WorkflowStepCompleter.stepSucceded(stepId);
    } catch (Exception ex) {
        _log.error(ex.getMessage(), ex);
        WorkflowStepCompleter.stepFailed(stepId, DeviceControllerException.errors.jobFailed(ex));
    }
}

Example 10 with VcenterDataCenter

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

the class AbstractDiscoveryAdapter method processHostChanges.

@SuppressWarnings("unchecked")
public void processHostChanges(List<HostStateChange> changes, List<URI> deletedHosts, List<URI> deletedClusters, boolean isVCenter) {
    log.info("There are " + changes.size() + " changes");
    // Iterate through all host state changes and create states for all of the affected export groups
    for (HostStateChange change : changes) {
        log.info("HostChange: " + change);
        Host host = dbClient.queryObject(Host.class, change.getHost().getId());
        // For every host change (added/removed initiator, cluster change), get all exports that this host
        // currently belongs to
        List<Initiator> newInitiatorObjects = dbClient.queryObject(Initiator.class, change.getNewInitiators());
        List<Initiator> oldInitiatorObjects = dbClient.queryObject(Initiator.class, change.getOldInitiators());
        if (newInitiatorObjects.isEmpty() && !oldInitiatorObjects.isEmpty()) {
            List<URI> hostInitiators = ComputeSystemHelper.getChildrenUris(dbClient, host.getId(), Initiator.class, "host");
            if (hostInitiators.size() == oldInitiatorObjects.size()) {
                log.info("No initiators were re-discovered for host " + host.getId() + " so we will not delete its initiators");
                DiscoveryStatusUtils.markAsFailed(getModelClient(), host, "No initiators were discovered", null);
                continue;
            }
        }
        // 3) If no datacenter or cluster change, make sure we have updated atleast the new datacenter for the host
        if (!NullColumnValueGetter.isNullURI(change.getOldDatacenter()) && !NullColumnValueGetter.isNullURI(change.getNewDatacenter()) && !change.getOldDatacenter().toString().equalsIgnoreCase(change.getNewDatacenter().toString())) {
            VcenterDataCenter oldDatacenter = dbClient.queryObject(VcenterDataCenter.class, change.getOldDatacenter());
            VcenterDataCenter currentDatacenter = dbClient.queryObject(VcenterDataCenter.class, change.getNewDatacenter());
            Cluster cluster = null;
            if (!NullColumnValueGetter.isNullURI(change.getNewCluster())) {
                cluster = dbClient.queryObject(Cluster.class, change.getNewCluster());
            }
            URI oldClusterURI = change.getOldCluster();
            Cluster oldCluster = null;
            if (!NullColumnValueGetter.isNullURI(oldClusterURI)) {
                oldCluster = dbClient.queryObject(Cluster.class, oldClusterURI);
            }
            if (!oldDatacenter.getVcenter().toString().equals(currentDatacenter.getVcenter().toString())) {
                Vcenter oldVcenter = dbClient.queryObject(Vcenter.class, oldDatacenter.getVcenter());
                Vcenter currentVcenter = dbClient.queryObject(Vcenter.class, currentDatacenter.getVcenter());
                EventUtils.createActionableEvent(dbClient, EventUtils.EventCode.HOST_VCENTER_CHANGE, host.getTenant(), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostVcenterChangeLabel", oldVcenter.getLabel(), currentVcenter.getLabel()), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostVcenterChangeDescription", host.getLabel(), oldCluster == null ? "N/A" : oldCluster.getLabel(), cluster == null ? " N/A " : cluster.getLabel()), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostVcenterChangeWarning"), host, Lists.newArrayList(host.getId(), host.getCluster(), cluster == null ? NullColumnValueGetter.getNullURI() : cluster.getId()), EventUtils.hostVcenterChange, new Object[] { host.getId(), cluster != null ? cluster.getId() : NullColumnValueGetter.getNullURI(), currentDatacenter.getId(), isVCenter }, EventUtils.hostVcenterChangeDecline, new Object[] { host.getId(), cluster != null ? cluster.getId() : NullColumnValueGetter.getNullURI(), currentDatacenter.getId(), isVCenter });
            } else {
                EventUtils.createActionableEvent(dbClient, EventUtils.EventCode.HOST_DATACENTER_CHANGE, host.getTenant(), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostDatacenterChangeLabel", oldDatacenter.getLabel(), currentDatacenter.getLabel()), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostDatacenterChangeDescription", host.getLabel(), oldCluster == null ? "N/A" : oldCluster.getLabel(), cluster == null ? " N/A " : cluster.getLabel()), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostDatacenterChangeWarning"), host, Lists.newArrayList(host.getId(), host.getCluster(), cluster == null ? NullColumnValueGetter.getNullURI() : cluster.getId()), EventUtils.hostDatacenterChange, new Object[] { host.getId(), cluster != null ? cluster.getId() : NullColumnValueGetter.getNullURI(), currentDatacenter.getId(), isVCenter }, EventUtils.hostDatacenterChangeDecline, new Object[] { host.getId(), cluster != null ? cluster.getId() : NullColumnValueGetter.getNullURI(), currentDatacenter.getId(), isVCenter });
            }
        } else if ((change.getOldCluster() == null && change.getNewCluster() != null) || (change.getOldCluster() != null && change.getNewCluster() == null) || (change.getOldCluster() != null && change.getNewCluster() != null && !change.getOldCluster().toString().equals(change.getNewCluster().toString()))) {
            Cluster cluster = null;
            if (!NullColumnValueGetter.isNullURI(change.getNewCluster())) {
                cluster = dbClient.queryObject(Cluster.class, change.getNewCluster());
            }
            URI oldClusterURI = change.getOldCluster();
            Cluster oldCluster = null;
            if (!NullColumnValueGetter.isNullURI(oldClusterURI)) {
                oldCluster = dbClient.queryObject(Cluster.class, oldClusterURI);
            }
            boolean oldClusterInUse = oldCluster == null ? false : ComputeSystemHelper.isClusterInExport(dbClient, oldCluster.getId());
            boolean newClusterInUse = cluster == null ? false : ComputeSystemHelper.isClusterInExport(dbClient, cluster.getId());
            if ((cluster != null || oldCluster != null) && (oldClusterInUse || newClusterInUse)) {
                String name = null;
                String description = null;
                if (cluster != null && oldCluster == null) {
                    name = ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeAddedLabel", cluster.getLabel());
                    description = ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeAddedDescription", host.getLabel(), cluster.getLabel());
                } else if (cluster == null && oldCluster != null) {
                    name = ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeRemovedLabel", oldCluster.getLabel());
                    description = ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeRemovedDescription", host.getLabel(), oldCluster.getLabel());
                } else {
                    name = ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeMovedLabel", oldCluster.getLabel(), cluster.getLabel());
                    description = ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeMovedDescription", host.getLabel(), oldCluster.getLabel(), cluster.getLabel());
                }
                EventUtils.createActionableEvent(dbClient, EventUtils.EventCode.HOST_CLUSTER_CHANGE, host.getTenant(), name, description, ComputeSystemDialogProperties.getMessage("ComputeSystem.hostClusterChangeWarning"), host, Lists.newArrayList(host.getId(), host.getCluster(), cluster == null ? NullColumnValueGetter.getNullURI() : cluster.getId()), EventUtils.hostClusterChange, new Object[] { host.getId(), cluster != null ? cluster.getId() : NullColumnValueGetter.getNullURI(), NullColumnValueGetter.isNullURI(change.getNewDatacenter()) ? NullColumnValueGetter.getNullURI() : change.getNewDatacenter(), isVCenter }, EventUtils.hostClusterChangeDecline, new Object[] { host.getId(), cluster != null ? cluster.getId() : NullColumnValueGetter.getNullURI(), NullColumnValueGetter.isNullURI(change.getNewDatacenter()) ? NullColumnValueGetter.getNullURI() : change.getNewDatacenter(), isVCenter });
            } else {
                host.setCluster(cluster == null ? NullColumnValueGetter.getNullURI() : cluster.getId());
                dbClient.updateObject(host);
                ComputeSystemHelper.updateHostAndInitiatorClusterReferences(dbClient, host.getCluster(), host.getId());
                if (cluster != null) {
                    ComputeSystemHelper.updateHostVcenterDatacenterReference(dbClient, host.getId(), cluster != null ? cluster.getVcenterDataCenter() : NullColumnValueGetter.getNullURI());
                }
            }
        } else if (!NullColumnValueGetter.isNullURI(change.getNewDatacenter())) {
            VcenterDataCenter currentDatacenter = dbClient.queryObject(VcenterDataCenter.class, change.getNewDatacenter());
            host.setTenant(currentDatacenter.getTenant());
            host.setVcenterDataCenter(currentDatacenter.getId());
            dbClient.updateObject(host);
        }
        if (ComputeSystemHelper.isHostInUse(dbClient, host.getId()) && (!oldInitiatorObjects.isEmpty() || !newInitiatorObjects.isEmpty())) {
            ActionableEvent duplicateEvent = EventUtils.getDuplicateEvent(dbClient, EventUtils.EventCode.HOST_INITIATOR_UPDATES.getCode(), host.getId(), null);
            List<URI> duplicateEventAddInitiators = Lists.newArrayList();
            List<URI> duplicateEventRemoveInitiators = Lists.newArrayList();
            if (duplicateEvent != null) {
                info("Found duplicate event %s for %s to update initiators", duplicateEvent.forDisplay(), host.forDisplay());
                ActionableEvent.Method eventMethod = ActionableEvent.Method.deserialize(duplicateEvent.getApproveMethod());
                if (eventMethod == null) {
                    log.info("Event method is null or empty for event " + duplicateEvent.getId());
                } else if (eventMethod.getArgs() == null) {
                    log.info("Event method arguments are null for event " + duplicateEvent.getId());
                } else {
                    // Parameters for updateInitiators are hostId, addInitiatorIds, removeInitiatorIds
                    Object[] parameters = eventMethod.getArgs();
                    if (parameters != null && parameters.length == EventUtils.UPDATE_INITIATORS_METHOD_PARAMETERS) {
                        duplicateEventAddInitiators = (List<URI>) parameters[EventUtils.UPDATE_INITIATORS_METHOD_ADD_INITIATOR_INDEX];
                        duplicateEventRemoveInitiators = (List<URI>) parameters[EventUtils.UPDATE_INITIATORS_METHOD_REMOVE_INITIATOR_INDEX];
                    }
                }
            }
            // if there are old HOST_INITIATOR_DELETE events for the same deleted initiators, then mark those events as declined
            if (oldInitiatorObjects != null) {
                for (Initiator initiator : oldInitiatorObjects) {
                    List<ActionableEvent> hostEvents = EventUtils.findAffectedResourcePendingEvents(dbClient, initiator.getId());
                    for (ActionableEvent hostEvent : hostEvents) {
                        if (hostEvent.getEventCode().equals(EventCode.HOST_INITIATOR_DELETE.getCode())) {
                            hostEvent.setEventStatus(ActionableEvent.Status.system_declined.name());
                            log.info("Marking old initiator delete event " + hostEvent.forDisplay() + " as system declined because we will merge it with a batched initiator event");
                            dbClient.updateObject(hostEvent);
                        }
                    }
                }
            }
            newInitiatorObjects.addAll(dbClient.queryObject(Initiator.class, duplicateEventAddInitiators));
            oldInitiatorObjects.addAll(dbClient.queryObject(Initiator.class, duplicateEventRemoveInitiators));
            Set<String> oldInitiatorPorts = Sets.newHashSet();
            Set<String> newInitiatorPorts = Sets.newHashSet();
            Set<URI> oldInitiatorIds = Sets.newHashSet();
            Set<URI> newInitiatorIds = Sets.newHashSet();
            for (Initiator oldInitiator : oldInitiatorObjects) {
                oldInitiatorPorts.add(oldInitiator.getInitiatorPort());
                oldInitiatorIds.add(oldInitiator.getId());
            }
            for (Initiator newInitiator : newInitiatorObjects) {
                newInitiatorPorts.add(newInitiator.getInitiatorPort());
                newInitiatorIds.add(newInitiator.getId());
            }
            List<URI> allAffectedResources = Lists.newArrayList();
            allAffectedResources.add(host.getId());
            allAffectedResources.addAll(newInitiatorIds);
            allAffectedResources.addAll(oldInitiatorIds);
            String name = ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsLabelAddAndRemove", StringUtils.join(newInitiatorPorts, ","), StringUtils.join(oldInitiatorPorts, ","));
            String description = ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsDescriptionAddAndRemove", StringUtils.join(newInitiatorPorts, ","), StringUtils.join(oldInitiatorPorts, ","));
            if (!newInitiatorPorts.isEmpty() && oldInitiatorPorts.isEmpty()) {
                name = ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsLabelAddOnly", StringUtils.join(newInitiatorPorts, ","));
                description = ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsDescriptionAddOnly", StringUtils.join(newInitiatorPorts, ","), StringUtils.join(oldInitiatorPorts, ","));
            } else if (newInitiatorPorts.isEmpty() && !oldInitiatorPorts.isEmpty()) {
                name = ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsLabelRemoveOnly", StringUtils.join(oldInitiatorPorts, ","));
                description = ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsDescriptionRemoveOnly", StringUtils.join(newInitiatorPorts, ","), StringUtils.join(oldInitiatorPorts, ","));
            }
            EventUtils.createActionableEvent(dbClient, EventUtils.EventCode.HOST_INITIATOR_UPDATES, host.getTenant(), name, description, ComputeSystemDialogProperties.getMessage("ComputeSystem.updateInitiatorsWarning"), host, allAffectedResources, EventUtils.updateInitiators, new Object[] { host.getId(), Lists.newArrayList(newInitiatorIds), Lists.newArrayList(oldInitiatorIds) }, EventUtils.updateInitiatorsDecline, new Object[] { host.getId(), Lists.newArrayList(newInitiatorIds), Lists.newArrayList(oldInitiatorIds) });
        } else {
            for (Initiator oldInitiator : oldInitiatorObjects) {
                info("Deleting Initiator %s because it was not re-discovered and is not in use by any export groups", oldInitiator.getId());
                dbClient.removeObject(oldInitiator);
            }
        }
    }
    log.info("Number of undiscovered hosts: " + deletedHosts.size());
    Set<URI> incorrectDeletedHosts = Sets.newHashSet();
    for (URI deletedHost : deletedHosts) {
        Host host = dbClient.queryObject(Host.class, deletedHost);
        URI clusterId = host.getCluster();
        List<URI> clusterHosts = Lists.newArrayList();
        if (!NullColumnValueGetter.isNullURI(clusterId)) {
            clusterHosts = ComputeSystemHelper.getChildrenUris(dbClient, clusterId, Host.class, "cluster");
        }
        if (clusterHosts.contains(deletedHost) && deletedHosts.containsAll(clusterHosts)) {
            incorrectDeletedHosts.add(deletedHost);
            DiscoveryStatusUtils.markAsFailed(getModelClient(), host, "Error discovering host cluster", null);
            log.info("Host " + host.getId() + " is part of a cluster that was not re-discovered. Fail discovery and keep the host in our database");
        } else {
            Vcenter vcenter = ComputeSystemHelper.getHostVcenter(dbClient, host);
            EventUtils.createActionableEvent(dbClient, EventUtils.EventCode.UNASSIGN_HOST_FROM_VCENTER, host.getTenant(), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostVcenterUnassignLabel", vcenter == null ? "N/A" : vcenter.getLabel()), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostVcenterUnassignDescription", host.getLabel(), vcenter == null ? "N/A" : vcenter.getLabel()), ComputeSystemDialogProperties.getMessage("ComputeSystem.hostVcenterUnassignWarning"), host, Lists.newArrayList(host.getId(), host.getCluster()), EventUtils.hostVcenterUnassign, new Object[] { deletedHost }, EventUtils.hostVcenterUnassignDecline, new Object[] { deletedHost });
        }
    }
    // delete clusters that don't contain any hosts, don't have any exports, and don't have any pending events
    for (URI clusterId : deletedClusters) {
        List<URI> hostUris = ComputeSystemHelper.getChildrenUris(dbClient, clusterId, Host.class, "cluster");
        if (hostUris.isEmpty() && !ComputeSystemHelper.isClusterInExport(dbClient, clusterId) && EventUtils.findAffectedResourcePendingEvents(dbClient, clusterId).isEmpty()) {
            Cluster cluster = dbClient.queryObject(Cluster.class, clusterId);
            info("Deactivating Cluster: " + clusterId);
            ComputeSystemHelper.doDeactivateCluster(dbClient, cluster);
        } else {
            info("Unable to delete cluster " + clusterId);
        }
    }
}