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

Example 1 with BlockSnapshot

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

the class RPDeviceController method disableImageForSnapshots.

/**
 * Disable image access for RP snapshots.
 *
 * @param protectionDevice
 *            protection system
 * @param snapshotList
 *            list of snapshots to enable
 * @param setSnapshotSyncActive
 *            true if the isSyncActive field on BlockSnapshot should be true, false otherwise.
 * @param opId
 * @throws ControllerException
 */
private void disableImageForSnapshots(URI protectionDevice, List<URI> snapshotList, boolean setSnapshotSyncActive, String opId) throws ControllerException {
    BlockSnapshotDeactivateCompleter completer = null;
    try {
        _log.info("Deactivating a bookmark on the RP CG(s)");
        completer = new BlockSnapshotDeactivateCompleter(snapshotList, setSnapshotSyncActive, opId);
        ProtectionSystem system = null;
        try {
            system = _dbClient.queryObject(ProtectionSystem.class, protectionDevice);
        } catch (DatabaseException e) {
            throw DeviceControllerExceptions.recoverpoint.databaseExceptionDeactivateSnapshot(protectionDevice);
        }
        if (system == null) {
            throw DeviceControllerExceptions.recoverpoint.databaseExceptionDeactivateSnapshot(protectionDevice);
        }
        // Keep a mapping of the emNames(bookmark names) to target copy volume WWNs
        Map<String, Set<String>> emNamesToVolumeWWNs = new HashMap<String, Set<String>>();
        // Keep a mapping of the emNames(bookmark names) to BlockSnapshot objects
        Map<String, Set<URI>> emNamesToSnapshots = new HashMap<String, Set<URI>>();
        for (URI snapshotID : snapshotList) {
            BlockSnapshot snapshot = _dbClient.queryObject(BlockSnapshot.class, snapshotID);
            // Determine if we can actually disable image access to the copy associated with the snapshot first
            if (!doDisableImageCopies(snapshot)) {
                // Skip this snapshot because we cannot disable image access. Likely due to the snapshot
                // being exported to multiple hosts.
                _log.warn(String.format("Cannot disable image access for snapshot %s so it will be skipped.  Likely due to the snapshot being exported to multiple hosts", snapshot.getId()));
                continue;
            }
            String emName = snapshot.getEmName();
            if (NullColumnValueGetter.isNotNullValue(emName)) {
                if (!emNamesToVolumeWWNs.containsKey(emName)) {
                    emNamesToVolumeWWNs.put(emName, new HashSet<String>());
                }
                if (!emNamesToSnapshots.containsKey(emName)) {
                    emNamesToSnapshots.put(emName, new HashSet<URI>());
                }
                emNamesToSnapshots.get(emName).add(snapshotID);
            } else {
                throw DeviceControllerExceptions.recoverpoint.failedToDeactivateSnapshotEmNameMissing(snapshotID);
            }
            // Get the volume associated with this snapshot
            Volume volume = _dbClient.queryObject(Volume.class, snapshot.getParent().getURI());
            // Fetch the VPLEX volume that is created with this volume as the back-end volume.
            if (Volume.checkForVplexBackEndVolume(_dbClient, volume)) {
                volume = Volume.fetchVplexVolume(_dbClient, volume);
            }
            String wwn = null;
            // If the personality is SOURCE, then the enable image access request is part of export operation.
            if (volume.checkPersonality(Volume.PersonalityTypes.TARGET.toString())) {
                wwn = RPHelper.getRPWWn(volume.getId(), _dbClient);
            } else {
                // Now determine the target volume that corresponds to the site of the snapshot
                ProtectionSet protectionSet = _dbClient.queryObject(ProtectionSet.class, volume.getProtectionSet());
                Volume targetVolume = ProtectionSet.getTargetVolumeFromSourceAndInternalSiteName(_dbClient, protectionSet, volume, snapshot.getEmInternalSiteName());
                wwn = RPHelper.getRPWWn(targetVolume.getId(), _dbClient);
            }
            // Add the volume WWN
            emNamesToVolumeWWNs.get(emName).add(wwn);
        }
        // Now disable image access on the bookmark copies
        RecoverPointClient rp = RPHelper.getRecoverPointClient(system);
        // correponding to each emName.
        for (Map.Entry<String, Set<String>> emNameEntry : emNamesToVolumeWWNs.entrySet()) {
            MultiCopyDisableImageRequestParams request = new MultiCopyDisableImageRequestParams();
            request.setVolumeWWNSet(emNameEntry.getValue());
            request.setEmName(emNameEntry.getKey());
            MultiCopyDisableImageResponse response = rp.disableImageCopies(request);
            if (response == null) {
                throw DeviceControllerExceptions.recoverpoint.failedDisableAccessOnRP();
            }
            // Let the completer know about the deactivated snapshots (ones who's associated copies
            // had image access disabled). This will be used to update the BlockSnapshot fields accordingly.
            // This is done because not all snapshots used when creating the completer will be deactivated.
            // We need to maintain a collection of snapshots so that those exported to multiple hosts to not
            // get deactivated.
            completer.addDeactivatedSnapshots(emNamesToSnapshots.get(emNameEntry.getKey()));
        }
        completer.ready(_dbClient);
    } catch (InternalException e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, e);
        }
    } catch (URISyntaxException e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, DeviceControllerException.errors.invalidURI(e));
        }
    } catch (Exception e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, DeviceControllerException.errors.jobFailed(e));
        }
    }
}

Example 2 with BlockSnapshot

use of com.emc.storageos.db.client.model.BlockSnapshot 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 BlockSnapshot

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

the class RPDeviceController method enableImageAccessStep.

/**
 * Workflow step method for enabling an image access
 *
 * @param rpSystem
 *            RP system
 * @param snapshots
 *            Snapshot list to enable
 * @param token
 *            the task
 * @return true if successful
 * @throws ControllerException
 */
public boolean enableImageAccessStep(URI rpSystemId, Map<URI, Integer> snapshots, String token) throws ControllerException {
    try {
        WorkflowStepCompleter.stepExecuting(token);
        URI device = null;
        for (URI snapshotID : snapshots.keySet()) {
            BlockSnapshot snapshot = _dbClient.queryObject(BlockSnapshot.class, snapshotID);
            if (device == null) {
                device = snapshot.getStorageController();
            }
        }
        // Enable snapshots
        enableImageForSnapshots(rpSystemId, device, new ArrayList<URI>(snapshots.keySet()), token);
        // Update the workflow state.
        WorkflowStepCompleter.stepSucceded(token);
    } catch (Exception e) {
        stepFailed(token, e, "enableImageAccessStep");
        return false;
    }
    return true;
}

Example 4 with BlockSnapshot

use of com.emc.storageos.db.client.model.BlockSnapshot 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 BlockSnapshot

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

the class RPDeviceController method enableImageForSnapshots.

/**
 * Enable image access for RP snapshots.
 *
 * @param protectionDevice
 *            protection system
 * @param storageDevice
 *            storage device of the backing (parent) volume
 * @param snapshotList
 *            list of snapshots to enable
 * @param opId
 *            task ID
 * @return true if operation was successful
 * @throws ControllerException
 * @throws URISyntaxException
 */
private boolean enableImageForSnapshots(URI protectionDevice, URI storageDevice, List<URI> snapshotList, String opId) throws ControllerException, URISyntaxException {
    TaskCompleter completer = null;
    try {
        _log.info("Activating a bookmark on the RP CG(s)");
        completer = new BlockSnapshotActivateCompleter(snapshotList, opId);
        ProtectionSystem system = null;
        try {
            system = _dbClient.queryObject(ProtectionSystem.class, protectionDevice);
        } catch (DatabaseException e) {
            throw DeviceControllerExceptions.recoverpoint.databaseExceptionActivateSnapshot(protectionDevice);
        }
        // Verify non-null storage device returned from the database client.
        if (system == null) {
            throw DeviceControllerExceptions.recoverpoint.databaseExceptionActivateSnapshot(protectionDevice);
        }
        // is still creating the snapshot
        if (snapshotList != null && !snapshotList.isEmpty()) {
            BlockSnapshot snapshot = _dbClient.queryObject(BlockSnapshot.class, snapshotList.get(0));
            Volume parent = _dbClient.queryObject(Volume.class, snapshot.getParent().getURI());
            final List<Volume> vplexVolumes = CustomQueryUtility.queryActiveResourcesByConstraint(_dbClient, Volume.class, getVolumesByAssociatedId(parent.getId().toString()));
            if (vplexVolumes != null && !vplexVolumes.isEmpty()) {
                parent = vplexVolumes.get(0);
            }
            String lockName = ControllerLockingUtil.getConsistencyGroupStorageKey(_dbClient, parent.getConsistencyGroup(), system.getId());
            if (null != lockName) {
                List<String> locks = new ArrayList<String>();
                locks.add(lockName);
                acquireWorkflowLockOrThrow(_workflowService.getWorkflowFromStepId(opId), locks);
            }
        }
        // Keep a mapping of the emNames(bookmark names) to target copy volume WWNs
        Map<String, Set<String>> emNamesToVolumeWWNs = new HashMap<String, Set<String>>();
        // Keep a mapping of the emNames(bookmark names) to BlockSnapshot objects
        Map<String, Set<URI>> emNamesToSnapshots = new HashMap<String, Set<URI>>();
        for (URI snapshotID : snapshotList) {
            BlockSnapshot snapshot = _dbClient.queryObject(BlockSnapshot.class, snapshotID);
            String emName = snapshot.getEmName();
            if (NullColumnValueGetter.isNotNullValue(emName)) {
                if (!emNamesToVolumeWWNs.containsKey(emName)) {
                    emNamesToVolumeWWNs.put(emName, new HashSet<String>());
                }
                if (!emNamesToSnapshots.containsKey(emName)) {
                    emNamesToSnapshots.put(emName, new HashSet<URI>());
                }
                emNamesToSnapshots.get(emName).add(snapshotID);
            } else {
                throw DeviceControllerExceptions.recoverpoint.failedToActivateSnapshotEmNameMissing(snapshotID);
            }
            // Get the volume associated with this snapshot
            Volume volume = _dbClient.queryObject(Volume.class, snapshot.getParent().getURI());
            // Fetch the VPLEX volume that is created with this volume as the back-end volume.
            if (Volume.checkForVplexBackEndVolume(_dbClient, volume)) {
                volume = Volume.fetchVplexVolume(_dbClient, volume);
            }
            String wwn = null;
            // If the personality is SOURCE, then the enable image access request is part of export operation.
            if (volume.checkPersonality(Volume.PersonalityTypes.TARGET.toString())) {
                wwn = RPHelper.getRPWWn(volume.getId(), _dbClient);
            } else {
                // Now determine the target volume that corresponds to the site of the snapshot
                ProtectionSet protectionSet = _dbClient.queryObject(ProtectionSet.class, volume.getProtectionSet());
                Volume targetVolume = ProtectionSet.getTargetVolumeFromSourceAndInternalSiteName(_dbClient, protectionSet, volume, snapshot.getEmInternalSiteName());
                wwn = RPHelper.getRPWWn(targetVolume.getId(), _dbClient);
            }
            // Add the volume WWN
            emNamesToVolumeWWNs.get(emName).add(wwn);
        }
        // Now enable image access to that bookmark
        RecoverPointClient rp = RPHelper.getRecoverPointClient(system);
        // correponding to each emName.
        for (Map.Entry<String, Set<String>> emNameEntry : emNamesToVolumeWWNs.entrySet()) {
            MultiCopyEnableImageRequestParams request = new MultiCopyEnableImageRequestParams();
            request.setVolumeWWNSet(emNameEntry.getValue());
            request.setBookmark(emNameEntry.getKey());
            MultiCopyEnableImageResponse response = rp.enableImageCopies(request);
            if (response == null) {
                throw DeviceControllerExceptions.recoverpoint.failedEnableAccessOnRP();
            }
        }
        completer.ready(_dbClient);
        return true;
    } catch (InternalException e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, e);
        }
        throw e;
    } catch (URISyntaxException e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, DeviceControllerException.errors.invalidURI(e));
        }
        throw e;
    } catch (Exception e) {
        _log.error("Operation failed with Exception: ", e);
        if (completer != null) {
            completer.error(_dbClient, DeviceControllerException.errors.jobFailed(e));
        }
        throw e;
    }
}