Examples with TaskCompleter com.emc.storageos.volumecontroller.TaskCompleter used on opensource projects

Example 1 with TaskCompleter

use of com.emc.storageos.volumecontroller.TaskCompleter in project coprhd-controller by CoprHD.

the class RPDeviceController method disableImageAccessForCreateReplicaStep.

/**
 * Disable image access for after create native array replica operation
 *
 * @param protectionDevice
 * @param clazz
 *            type of replica (such as Volume, BlockSnapshot or BlockSnapshotSession)
 * @param copyList
 *            list of replica ids
 * @param volumeWWNs
 *            wwns of volumes that are parents to replica objects
 * @param opId
 * @throws ControllerException
 */
public void disableImageAccessForCreateReplicaStep(URI protectionDevice, Class<? extends DataObject> clazz, List<URI> copyList, Set<String> volumeWWNs, String opId) throws ControllerException {
    TaskCompleter completer = null;
    try {
        _log.info("Deactivating a bookmark on the RP CG(s)");
        completer = new RPCGCopyVolumeCompleter(clazz, copyList, opId);
        // Verify non-null storage device returned from the database client.
        ProtectionSystem system = _dbClient.queryObject(ProtectionSystem.class, protectionDevice);
        if (system == null || system.getInactive()) {
            throw DeviceControllerExceptions.recoverpoint.databaseExceptionActivateSnapshot(protectionDevice);
        }
        // disable image access to that bookmark
        RecoverPointClient rp = RPHelper.getRecoverPointClient(system);
        MultiCopyDisableImageRequestParams request = new MultiCopyDisableImageRequestParams();
        request.setVolumeWWNSet(volumeWWNs);
        MultiCopyDisableImageResponse response = rp.disableImageCopies(request);
        if (response == null) {
            throw DeviceControllerExceptions.recoverpoint.failedDisableAccessOnRP();
        }
        completer.ready(_dbClient);
    } catch (InternalException e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, e);
        }
    } catch (Exception e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, DeviceControllerException.errors.jobFailed(e));
        }
    }
}

Example 2 with TaskCompleter

use of com.emc.storageos.volumecontroller.TaskCompleter in project coprhd-controller by CoprHD.

the class RPDeviceController method createSnapshot.

/*
     * (non-Javadoc)
     * 
     * @see com.emc.storageos.protectioncontroller.RPController#createSnapshot(java.net.URI, java.net.URI, java.util.List,
     * java.lang.Boolean, java.lang.Boolean, java.lang.String)
     */
@Override
public void createSnapshot(URI protectionDevice, URI storageURI, List<URI> snapshotList, Boolean createInactive, Boolean readOnly, String opId) throws InternalException {
    TaskCompleter completer = new BlockSnapshotCreateCompleter(snapshotList, opId);
    // if snapshot is part of a CG, add CG id to the completer
    List<BlockSnapshot> snapshots = _dbClient.queryObject(BlockSnapshot.class, snapshotList);
    ControllerUtils.checkSnapshotsInConsistencyGroup(snapshots, _dbClient, completer);
    Map<URI, Integer> snapshotMap = new HashMap<URI, Integer>();
    try {
        ProtectionSystem system = null;
        system = _dbClient.queryObject(ProtectionSystem.class, protectionDevice);
        // Verify non-null storage device returned from the database client.
        if (system == null) {
            throw DeviceControllerExceptions.recoverpoint.failedConnectingForMonitoring(protectionDevice);
        }
        // Make sure we have at least 1 snap/bookmark otherwise there is nothing to create
        if (snapshotList == null || snapshotList.isEmpty()) {
            throw DeviceControllerExceptions.recoverpoint.failedToFindExpectedBookmarks();
        }
        // A temporary date/time stamp
        String snapshotName = VIPR_SNAPSHOT_PREFIX + new SimpleDateFormat("yyMMdd-HHmmss").format(new java.util.Date());
        Set<String> volumeWWNs = new HashSet<String>();
        boolean rpBookmarkOnly = false;
        for (URI snapshotID : snapshotList) {
            // create a snapshot map, a map is required to re-use the existing enable image access method.
            // using a lun number of -1 for all snaps, this value is not used, hence ok to use that value.
            snapshotMap.put(snapshotID, ExportGroup.LUN_UNASSIGNED);
        }
        // Get the volume associated with this snapshot.
        // Note we could have multiple snapshots in this request depending on the number of targets for the
        // source. We only need 1 of the snapshots to create the bookmark on RP. So just grab the
        // first one in the list.
        BlockSnapshot snapshot = _dbClient.queryObject(BlockSnapshot.class, snapshotList.get(0));
        if (snapshot.getEmName() != null) {
            rpBookmarkOnly = true;
            snapshotName = snapshot.getEmName();
        }
        Volume volume = _dbClient.queryObject(Volume.class, snapshot.getParent().getURI());
        // if not, then the "volume" object is a regular block volume that is RP protected.
        if (Volume.checkForVplexBackEndVolume(_dbClient, volume)) {
            volumeWWNs.add(RPHelper.getRPWWn(Volume.fetchVplexVolume(_dbClient, volume).getId(), _dbClient));
        } else {
            volumeWWNs.add(RPHelper.getRPWWn(volume.getId(), _dbClient));
        }
        // Create a new token/taskid and use that in the workflow.
        // Multiple threads entering this method might collide with each others workflows in cassandra if the taskid
        // is not unique.
        String newToken = UUID.randomUUID().toString();
        // Set up workflow steps.
        Workflow workflow = _workflowService.getNewWorkflow(this, "createSnapshot", true, newToken);
        // Step 1 - Create a RP bookmark
        String waitFor = addCreateBookmarkStep(workflow, snapshotList, system, snapshotName, volumeWWNs, rpBookmarkOnly, null);
        if (!rpBookmarkOnly) {
            // Local array snap, additional steps required for snap operation
            // Step 2 - Enable image access
            waitFor = addEnableImageAccessStep(workflow, system, snapshotMap, waitFor);
            // Step 3 - Invoke block storage doCreateSnapshot
            waitFor = addCreateBlockSnapshotStep(workflow, waitFor, storageURI, snapshotList, createInactive, readOnly, system);
            // Step 4 - Disable image access
            addBlockSnapshotDisableImageAccessStep(workflow, waitFor, snapshotList, system);
        } else {
            _log.info("RP Bookmark only requested...");
        }
        String successMessage = String.format("Successfully created snapshot for %s", Joiner.on(",").join(snapshotList));
        workflow.executePlan(completer, successMessage);
    } catch (InternalException e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, e);
        }
    } catch (Exception e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, DeviceControllerException.errors.jobFailed(e));
        }
    }
}

Example 3 with TaskCompleter

use of com.emc.storageos.volumecontroller.TaskCompleter in project coprhd-controller by CoprHD.

the class RPDeviceController method exportGroupDelete.

/*
     * RPDeviceController.exportGroupDelete()
     * 
     * This method is a mini-orchestration of all of the steps necessary to delete an export group.
     * 
     * This controller does not service block devices for export, only RP bookmark snapshots.
     * 
     * The method is responsible for performing the following steps:
     * - Call the block controller to delete the export of the target volumes
     * - Disable the bookmarks associated with the snapshots.
     * 
     * @param protectionDevice The RP System used to manage the protection
     * 
     * @param exportgroupID The export group
     * 
     * @param token The task object associated with the volume creation task that we piggy-back our events on
     */
@Override
public void exportGroupDelete(URI protectionDevice, URI exportGroupID, String token) throws InternalException {
    TaskCompleter taskCompleter = null;
    try {
        // Grab the RP System information; we'll need it to talk to the RP client
        ProtectionSystem rpSystem = getRPSystem(protectionDevice);
        taskCompleter = new RPCGExportDeleteCompleter(exportGroupID, token);
        // Create a new token/taskid and use that in the workflow. Multiple threads entering this method might
        // collide with each others
        // workflows in cassandra if the taskid is not unique.
        String newToken = UUID.randomUUID().toString();
        // Set up workflow steps.
        Workflow workflow = _workflowService.getNewWorkflow(this, "exportGroupDelete", true, newToken);
        // Task 1: deactivate the bookmarks
        // 
        // Disable image access on the target volumes
        // This is important to do first because:
        // After the export group is deleted (in the next step), we may not have access to the object.
        // If export delete itself were to fail, it's good that we at least got this step done. Easier to remediate.
        addDisableImageAccessSteps(workflow, rpSystem, exportGroupID);
        // Task 2: Export Delete Volumes
        // 
        // Delete of the export group with the volumes associated with the snapshots to the host
        addExportSnapshotDeleteSteps(workflow, rpSystem, exportGroupID);
        // Execute the plan and allow the WorkflowExecutor to fire the taskCompleter.
        String successMessage = String.format("Workflow of Export Group %s Delete successfully created", exportGroupID);
        workflow.executePlan(taskCompleter, successMessage);
    } catch (InternalException e) {
        _log.error("Operation failed with Exception: ", e);
        if (taskCompleter != null) {
            taskCompleter.error(_dbClient, e);
        }
    } catch (Exception e) {
        _log.error("Operation failed with Exception: ", e);
        if (taskCompleter != null) {
            taskCompleter.error(_dbClient, DeviceControllerException.errors.jobFailed(e));
        }
    }
}

Example 4 with TaskCompleter

use of com.emc.storageos.volumecontroller.TaskCompleter in project coprhd-controller by CoprHD.

the class RPDeviceController method deleteSnapshot.

@Override
public void deleteSnapshot(URI protectionDevice, URI snapshotURI, String opId) throws InternalException {
    TaskCompleter taskCompleter = null;
    try {
        BlockSnapshot snap = _dbClient.queryObject(BlockSnapshot.class, snapshotURI);
        taskCompleter = BlockSnapshotDeleteCompleter.createCompleter(_dbClient, snap, opId);
        List<BlockSnapshot> snapshots = new ArrayList<BlockSnapshot>();
        URI cgId = null;
        if (snap.getConsistencyGroup() != null) {
            cgId = snap.getConsistencyGroup();
        }
        if (cgId != null) {
            // Account for all CG BlockSnapshots if this requested BlockSnapshot
            // references a CG.
            snapshots = ControllerUtils.getSnapshotsPartOfReplicationGroup(snap, _dbClient);
        } else {
            snapshots.add(snap);
        }
        for (BlockSnapshot snapshot : snapshots) {
            if (snapshot != null && !snapshot.getInactive()) {
                snapshot.setInactive(true);
                snapshot.setIsSyncActive(false);
                _dbClient.updateObject(snapshot);
            }
        // Perhaps the snap is already deleted/inactive.
        // In that case, we'll just say all is well, so that this operation
        // is idempotent.
        }
        taskCompleter.ready(_dbClient);
    } catch (InternalException e) {
        String message = String.format("Generic exception when trying to delete snapshot %s on protection system %s", String.valueOf(snapshotURI), protectionDevice);
        _log.error(message, e);
        taskCompleter.error(_dbClient, e);
    } catch (Exception e) {
        String message = String.format("Generic exception when trying to delete snapshot %s on protection system %s", String.valueOf(snapshotURI), protectionDevice);
        _log.error(message, e);
        ServiceError serviceError = DeviceControllerException.errors.jobFailed(e);
        taskCompleter.error(_dbClient, serviceError);
    }
}

Example 5 with TaskCompleter

use of com.emc.storageos.volumecontroller.TaskCompleter in project coprhd-controller by CoprHD.

the class RPDeviceController method exportGroupCreate.

/*
     * RPDeviceController.exportGroupCreate()
     * 
     * This method is a mini-orchestration of all of the steps necessary to create an export based on
     * a Bourne Snapshot object associated with a RecoverPoint bookmark.
     * 
     * This controller does not service block devices for export, only RP bookmark snapshots.
     * 
     * The method is responsible for performing the following steps:
     * - Enable the volumes to a specific bookmark.
     * - Call the block controller to export the target volume
     * 
     * @param protectionDevice The RP System used to manage the protection
     * 
     * @param exportgroupID The export group
     * 
     * @param snapshots snapshot list
     * 
     * @param initatorURIs initiators to send to the block controller
     * 
     * @param token The task object
     */
@Override
public void exportGroupCreate(URI protectionDevice, URI exportGroupID, List<URI> initiatorURIs, Map<URI, Integer> snapshots, String token) throws ControllerException {
    TaskCompleter taskCompleter = null;
    try {
        // Grab the RP System information; we'll need it to talk to the RP client
        ProtectionSystem rpSystem = getRPSystem(protectionDevice);
        taskCompleter = new RPCGExportCompleter(exportGroupID, token);
        // Ensure the bookmarks actually exist before creating the export group
        searchForBookmarks(protectionDevice, snapshots.keySet());
        // Create a new token/taskid and use that in the workflow. Multiple threads entering this method might
        // collide with each others
        // workflows in cassandra if the taskid is not unique.
        String newToken = UUID.randomUUID().toString();
        // Set up workflow steps.
        Workflow workflow = _workflowService.getNewWorkflow(this, "exportGroupCreate", true, newToken);
        // Tasks 1: Activate the bookmarks
        // 
        // Enable image access on the target volumes
        addEnableImageAccessStep(workflow, rpSystem, snapshots, null);
        // Tasks 2: Export Volumes
        // 
        // Export the volumes associated with the snapshots to the host
        addExportSnapshotSteps(workflow, rpSystem, exportGroupID, snapshots, initiatorURIs);
        // Execute the plan and allow the WorkflowExecutor to fire the taskCompleter.
        String successMessage = String.format("Workflow of Export Group %s successfully created", exportGroupID);
        workflow.executePlan(taskCompleter, successMessage);
    } catch (InternalException e) {
        _log.error("Operation failed with Exception: ", e);
        if (taskCompleter != null) {
            taskCompleter.error(_dbClient, e);
        }
    } catch (Exception e) {
        _log.error("Operation failed with Exception: ", e);
        if (taskCompleter != null) {
            taskCompleter.error(_dbClient, DeviceControllerException.errors.jobFailed(e));
        }
    }
}