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

Example 1 with BlockSnapshotDeactivateCompleter

use of com.emc.storageos.volumecontroller.impl.block.taskcompleter.BlockSnapshotDeactivateCompleter 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));
        }
    }
}