Examples with RollbackExportGroupCreateCompleter com.emc.storageos.volumecontroller.impl.block.taskcompleter.RollbackExportGroupCreateCompleter used on opensource projects

Example 1 with RollbackExportGroupCreateCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.RollbackExportGroupCreateCompleter in project coprhd-controller by CoprHD.

the class MaskingWorkflowEntryPoints method rollbackExportGroupCreate.

/**
 * Rollback entry point. This is a wrapper around the exportGroupDelete operation,
 * which requires that we create a specific completer using the token that's passed
 * in. This token is generated by the rollback processing.
 *
 * @param storageURI
 *            [in] - StorageSystem URI
 * @param exportGroupURI
 *            [in] - ExportGroup URI
 * @param exportMaskURI
 *            [in] - ExportMask URI
 * @param contextKey
 *            [in] - context token
 * @param token
 *            [in] - String token generated by the rollback processing
 *
 * @throws ControllerException
 */
public void rollbackExportGroupCreate(URI storageURI, URI exportGroupURI, URI exportMaskURI, String contextKey, String token) throws ControllerException {
    ExportTaskCompleter taskCompleter = new RollbackExportGroupCreateCompleter(exportGroupURI, exportMaskURI, token);
    // Take the context of the step in flight and feed it into our current step
    // in order to only perform rollback of operations we successfully performed.
    ExportOperationContext context = null;
    try {
        context = (ExportOperationContext) WorkflowService.getInstance().loadStepData(contextKey);
        WorkflowService.getInstance().storeStepData(token, context);
    } catch (ClassCastException e) {
        _log.info("Step {} has stored step data other than ExportOperationContext. Exception: {}", token, e);
    }
    _log.info("Rolling back operations: " + context);
    doExportGroupDelete(storageURI, exportGroupURI, exportMaskURI, null, null, taskCompleter, token);
}

Example 2 with RollbackExportGroupCreateCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.RollbackExportGroupCreateCompleter in project coprhd-controller by CoprHD.

the class VmaxExportOperations method deleteExportMask.

@Override
public void deleteExportMask(StorageSystem storage, URI exportMaskURI, List<URI> volumeURIList, List<URI> targetURIList, List<Initiator> initiatorList, TaskCompleter taskCompleter) throws DeviceControllerException {
    _log.info("{} deleteExportMask START...", storage.getSerialNumber());
    try {
        _log.info("Export mask id: {}", exportMaskURI);
        if (volumeURIList != null) {
            _log.info("deleteExportMask: volumes:  {}", Joiner.on(',').join(volumeURIList));
        }
        if (targetURIList != null) {
            _log.info("deleteExportMask: assignments: {}", Joiner.on(',').join(targetURIList));
        }
        if (initiatorList != null) {
            _log.info("deleteExportMask: initiators: {}", Joiner.on(',').join(initiatorList));
        }
        boolean isVmax3 = storage.checkIfVmax3();
        WBEMClient client = _helper.getConnection(storage).getCimClient();
        String maskingViewName = _helper.getExportMaskName(exportMaskURI);
        // Always get the Storage Group from masking View, rather than depending on the name to find out SG.
        String groupName = _helper.getStorageGroupForGivenMaskingView(maskingViewName, storage);
        /*
             * The idea is to remove orphaned child Groups, after deleting masking view. We're getting
             * the list of childGroups here because once we call deleteMaskingView, the parent group
             * will be automatically deleted.
             * 
             * Run Associator Names to get details of child Storage Groups ,and group them based on
             * Fast Policy.
             */
        Map<StorageGroupPolicyLimitsParam, List<String>> childGroupsByFast = new HashMap<StorageGroupPolicyLimitsParam, List<String>>();
        // if SGs are already removed from masking view manually, then skip this part
        if (null != groupName) {
            childGroupsByFast = _helper.groupStorageGroupsByAssociation(storage, groupName);
        } else {
            _log.info("Masking View {} doesn't have any SGs associated, probably removed manually from Array", maskingViewName);
            if (isVmax3) {
                // If we did not find the storage group associated with the masking view it could be
                // the case that were were unexporting volumes and successfully deleted the masking
                // but failed at some point thereafter, and now the operation is being retried. If
                // that is the case, then for VMAX3 we want to make sure that none of the volumes being
                // unexported are still in non parking storage groups. If we find such volume we remove
                // them and add them to the parking storage group.
                ExportMask exportMask = _dbClient.queryObject(ExportMask.class, exportMaskURI);
                if (exportMask == null) {
                    // If we can't find the mask, there is really no cleanup we can do.
                    _log.warn("ExportMask {} no longer exists", exportMaskURI);
                    taskCompleter.ready(_dbClient);
                    return;
                }
                // See if any of the mask's volumes are still in a non-parking storage group. Map the
                // volumes by group name.
                List<URI> volumeURIs = ExportMaskUtils.getVolumeURIs(exportMask);
                Map<String, List<URI>> volumesInNonParkingStorageGroup = _helper.getVolumesInNonParkingStorageGroup(storage, volumeURIs);
                if (!volumesInNonParkingStorageGroup.isEmpty()) {
                    Map<String, Set<String>> volumeDeviceIdsMap = new HashMap<>();
                    for (Entry<String, List<URI>> storageGroupEntry : volumesInNonParkingStorageGroup.entrySet()) {
                        String storageGroupName = storageGroupEntry.getKey();
                        List<URI> storageGroupVolumeURIs = storageGroupEntry.getValue();
                        // then just skip the volume, we cannot clean it up as we may impact other exports.
                        if (_helper.findStorageGroupsAssociatedWithMultipleParents(storage, storageGroupName) || _helper.findStorageGroupsAssociatedWithOtherMaskingViews(storage, storageGroupName)) {
                            _log.info("Storage group {} is associated with multiple paranets or other masking views", storageGroupName);
                            continue;
                        }
                        // Otherwise, remove the volumes from the storage group.
                        _log.info("Removing volumes {} from non parking storage group {}", storageGroupVolumeURIs, storageGroupName);
                        _helper.removeVolumesFromStorageGroup(storage, storageGroupName, storageGroupVolumeURIs, true);
                        // parking storage group.
                        for (URI storageGroupVolumeURI : storageGroupVolumeURIs) {
                            Volume storageGroupVolume = _dbClient.queryObject(Volume.class, storageGroupVolumeURI);
                            if (storageGroupVolume != null) {
                                String policyName = ControllerUtils.getAutoTieringPolicyName(storageGroupVolumeURI, _dbClient);
                                String policyKey = _helper.getVMAX3FastSettingForVolume(storageGroupVolumeURI, policyName);
                                if (volumeDeviceIdsMap.containsKey(policyKey)) {
                                    volumeDeviceIdsMap.get(policyKey).add(storageGroupVolume.getNativeId());
                                } else {
                                    Set<String> volumeDeviceIds = new HashSet<>();
                                    volumeDeviceIds.add(storageGroupVolume.getNativeId());
                                    volumeDeviceIdsMap.put(policyKey, volumeDeviceIds);
                                }
                            }
                        }
                    }
                    // Finally for each parking storage group policy, add the volumes associated parking storage group.
                    for (Entry<String, Set<String>> volumeDeviceIdsMapEntry : volumeDeviceIdsMap.entrySet()) {
                        _log.info("Adding volumes {} on system {} to parking storage group for policy {}", volumeDeviceIdsMapEntry.getValue(), storage.getNativeGuid(), volumeDeviceIdsMapEntry.getKey());
                        addVolumesToParkingStorageGroup(storage, volumeDeviceIdsMapEntry.getKey(), volumeDeviceIdsMapEntry.getValue());
                    }
                }
            }
            taskCompleter.ready(_dbClient);
            return;
        }
        /*
             * If a maskingView was created by other instance, can not delete it here during roll back. Hence,
             * set task as done.
             */
        if (taskCompleter instanceof RollbackExportGroupCreateCompleter) {
            /*
                 * The purpose of rollback is to delete the masking view created by this very ViPR instance as
                 * part of this workflow, and it should not delete masking view created externally or another ViPR
                 */
            // Get the context from the task completer, in case this is a rollback.
            ExportOperationContext context = (ExportOperationContext) WorkflowService.getInstance().loadStepData(taskCompleter.getOpId());
            if (context != null) {
                exportMaskRollback(storage, context, taskCompleter);
            }
        } else {
            ExportOperationContext context = (ExportOperationContext) WorkflowService.getInstance().loadStepData(taskCompleter.getOpId());
            ExportMask exportMask = _dbClient.queryObject(ExportMask.class, exportMaskURI);
            List<URI> volumeURIs = ExportMaskUtils.getVolumeURIs(exportMask);
            ExportMaskValidationContext ctx = new ExportMaskValidationContext();
            ctx.setStorage(storage);
            ctx.setExportMask(exportMask);
            ctx.setBlockObjects(volumeURIList, _dbClient);
            ctx.setInitiators(initiatorList);
            ctx.setAllowExceptions(context == null);
            validator.exportMaskDelete(ctx).validate();
            if (!deleteMaskingView(storage, exportMaskURI, childGroupsByFast, taskCompleter)) {
                // deleteMaskingView call. Simply return from here.
                return;
            }
            for (Map.Entry<StorageGroupPolicyLimitsParam, List<String>> entry : childGroupsByFast.entrySet()) {
                _log.info(String.format("Mask %s FAST Policy %s associated with %d Storage Group(s)", maskingViewName, entry.getKey(), entry.getValue().size()));
            }
            if (groupName != null) {
                _log.info("storage group name : {}", groupName);
                // delete the CSG explicitly (CTRL-9236)
                CIMObjectPath storageGroupPath = _cimPath.getMaskingGroupPath(storage, groupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                // check if the storage group is shared before delete it
                if (_helper.checkExists(storage, storageGroupPath, false, false) != null && _helper.checkMaskingGroupShared(storage, storageGroupPath, exportMask.getMaskName())) {
                    // if the storage group is shared, don't delete the storage group
                    _log.info("The Storage group {} is shared, so it will not be deleted", groupName);
                    taskCompleter.ready(_dbClient);
                    return;
                }
                if (_helper.isCascadedSG(storage, storageGroupPath)) {
                    _helper.deleteMaskingGroup(storage, groupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                }
                /**
                 * After successful deletion of masking view, try to remove the child Storage Groups ,which were
                 * part of cascaded
                 * Parent Group. If Fast Policy is not enabled, then those child groups can be removed.
                 * If Fast enabled, then try to find if this child Storage Group is associated with more than 1
                 * Parent Cascaded
                 * Group, if yes, then we cannot delete the child Storage Group.
                 */
                for (Entry<StorageGroupPolicyLimitsParam, List<String>> childGroupByFastEntry : childGroupsByFast.entrySet()) {
                    for (String childGroupName : childGroupByFastEntry.getValue()) {
                        _log.info("Processing Group {} deletion with Fast Policy {}", childGroupName, childGroupByFastEntry.getKey());
                        CIMObjectPath maskingGroupPath = _cimPath.getMaskingGroupPath(storage, childGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                        if (!_helper.isFastPolicy(childGroupByFastEntry.getKey().getAutoTierPolicyName())) {
                            /**
                             * Remove the volumes from any phantom storage group (CTRL-8217).
                             *
                             * Volumes part of Phantom Storage Group will be in Non-CSG Non-FAST Storage Group
                             */
                            if (!_helper.isCascadedSG(storage, maskingGroupPath)) {
                                // Get volumes which are part of this Storage Group
                                List<URI> volumesInSG = _helper.findVolumesInStorageGroup(storage, childGroupName, volumeURIs);
                                // Flag to indicate whether or not we need to use the EMCForce flag on this
                                // operation.
                                // We currently use this flag when dealing with RP Volumes as they are tagged for RP
                                // and the
                                // operation on these volumes would fail otherwise.
                                boolean forceFlag = false;
                                for (URI volURI : volumesInSG) {
                                    forceFlag = ExportUtils.useEMCForceFlag(_dbClient, volURI);
                                    if (forceFlag) {
                                        break;
                                    }
                                }
                                removeVolumesFromPhantomStorageGroup(storage, client, exportMaskURI, volumesInSG, childGroupName, forceFlag);
                            }
                            // Delete the Storage Group
                            _helper.deleteMaskingGroup(storage, childGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                        } else if (!_helper.findStorageGroupsAssociatedWithMultipleParents(storage, childGroupName) && !_helper.findStorageGroupsAssociatedWithOtherMaskingViews(storage, childGroupName)) {
                            // volumeDeviceIds and policyName are required in case of VMAX3 to add volumes back
                            // to parking to storage group.
                            Set<String> volumeDeviceIds = new HashSet<String>();
                            String policyName = childGroupByFastEntry.getKey().getAutoTierPolicyName();
                            if (isVmax3) {
                                volumeDeviceIds = _helper.getVolumeDeviceIdsFromStorageGroup(storage, childGroupName);
                            }
                            // holds the group, if yes, then we should not delete this group
                            if (!isVmax3) {
                                _log.debug("Removing Storage Group {} from Fast Policy {}", childGroupName, childGroupByFastEntry.getKey());
                                _helper.removeVolumeGroupFromPolicyAndLimitsAssociation(client, storage, maskingGroupPath);
                            }
                            _log.debug("Deleting Storage Group {}", childGroupName);
                            _helper.deleteMaskingGroup(storage, childGroupName, SmisCommandHelper.MASKING_GROUP_TYPE.SE_DeviceMaskingGroup);
                            if (isVmax3 && !volumeDeviceIds.isEmpty()) {
                                // We need to add volumes back to appropriate parking storage group.
                                addVolumesToParkingStorageGroup(storage, policyName, volumeDeviceIds);
                            }
                        } else {
                            _log.info("Storage Group {} is either having more than one parent Storage Group or its part of another existing masking view", childGroupName);
                            // set Host IO Limits on SG which we reseted before deleting MV
                            if (childGroupByFastEntry.getKey().isHostIOLimitIOPsSet()) {
                                _helper.updateHostIOLimitIOPs(client, maskingGroupPath, childGroupByFastEntry.getKey().getHostIOLimitIOPs());
                            }
                            if (childGroupByFastEntry.getKey().isHostIOLimitBandwidthSet()) {
                                _helper.updateHostIOLimitBandwidth(client, maskingGroupPath, childGroupByFastEntry.getKey().getHostIOLimitBandwidth());
                            }
                        }
                    }
                }
            }
        }
        taskCompleter.ready(_dbClient);
    } catch (Exception e) {
        _log.error(String.format("deleteExportMask failed - maskName: %s", exportMaskURI.toString()), e);
        ServiceError serviceError = DeviceControllerException.errors.jobFailed(e);
        taskCompleter.error(_dbClient, serviceError);
    }
    _log.info("{} deleteExportMask END...", storage.getSerialNumber());
}