@Override
public void deleteExportMask(
StorageSystem storage,
URI exportMaskId,
List<URI> volumeURIList,
List<URI> targetURIList,
List<Initiator> initiatorList,
TaskCompleter taskCompleter)
throws DeviceControllerException {
log.info("{} deleteExportMask START...", storage.getSerialNumber());
log.info("Export mask id: {}", exportMaskId);
try {
// There is no masking concept on Cinder to delete the export mask.
// But before marking the task completer as ready,
// detach the volumes from the initiators that are there in the export mask.
ExportMask exportMask = dbClient.queryObject(ExportMask.class, exportMaskId);
List<Volume> volumeList = new ArrayList<Volume>();
StringMap volumes = exportMask.getUserAddedVolumes();
StringMap initiators = exportMask.getUserAddedInitiators();
if (volumes != null) {
for (String vol : volumes.values()) {
URI volumeURI = URI.create(vol);
volumeURIList.add(volumeURI);
Volume volume = dbClient.queryObject(Volume.class, volumeURI);
volumeList.add(volume);
}
}
if (initiators != null) {
for (String ini : initiators.values()) {
Initiator initiatorObj = dbClient.queryObject(Initiator.class, URI.create(ini));
initiatorList.add(initiatorObj);
}
}
log.info("deleteExportMask: volumes: {}", volumeURIList);
log.info("deleteExportMask: assignments: {}", targetURIList);
log.info("deleteExportMask: initiators: {}", initiatorList);
detachVolumesFromInitiators(storage, volumeList, initiatorList);
taskCompleter.ready(dbClient);
} catch (final Exception ex) {
log.error("Problem in DetachVolumes: ", ex);
ServiceError serviceError =
DeviceControllerErrors.cinder.operationFailed("doDetachVolumes", ex.getMessage());
taskCompleter.error(dbClient, serviceError);
}
log.info("{} deleteExportMask END...", storage.getSerialNumber());
}
@Override
public void removeInitiator(
StorageSystem storage,
URI exportMaskId,
List<Initiator> initiators,
List<URI> targets,
TaskCompleter taskCompleter)
throws DeviceControllerException {
log.info("{} removeInitiator START...", storage.getSerialNumber());
log.info("Export mask id: {}", exportMaskId);
log.info("removeInitiator: initiators : {}", initiators);
log.info("removeInitiator: targets : {}", targets);
try {
ExportMask exportMask = dbClient.queryObject(ExportMask.class, exportMaskId);
List<Volume> volumeList = new ArrayList<Volume>();
StringMap volumes = exportMask.getUserAddedVolumes();
for (String vol : volumes.values()) {
Volume volume = dbClient.queryObject(Volume.class, URI.create(vol));
volumeList.add(volume);
}
detachVolumesFromInitiators(storage, volumeList, initiators);
taskCompleter.ready(dbClient);
} catch (final Exception ex) {
log.error("Problem in RemoveInitiators: ", ex);
ServiceError serviceError =
DeviceControllerErrors.cinder.operationFailed("doRemoveInitiators", ex.getMessage());
taskCompleter.error(dbClient, serviceError);
}
log.info("{} removeInitiator END...", storage.getSerialNumber());
}
@Override
public void addVolume(
StorageSystem storage,
URI exportMaskId,
VolumeURIHLU[] volumeURIHLUs,
TaskCompleter taskCompleter)
throws DeviceControllerException {
log.info("{} addVolume START...", storage.getSerialNumber());
log.info("Export mask id: {}", exportMaskId);
log.info("addVolume: volume-HLU pairs: {}", volumeURIHLUs);
log.info("User assigned HLUs will be ignored as Cinder does not support it.");
try {
ExportMask exportMask = dbClient.queryObject(ExportMask.class, exportMaskId);
List<Volume> volumes = new ArrayList<Volume>();
List<Initiator> initiatorList = new ArrayList<Initiator>();
// map to store target LUN id generated for each volume
Map<URI, Integer> volumeToTargetLunMap = new HashMap<URI, Integer>();
StringMap initiators = exportMask.getUserAddedInitiators();
for (VolumeURIHLU volumeURIHLU : volumeURIHLUs) {
URI volumeURI = volumeURIHLU.getVolumeURI();
Volume volume = dbClient.queryObject(Volume.class, volumeURI);
volumes.add(volume);
}
for (String ini : initiators.values()) {
Initiator initiator = dbClient.queryObject(Initiator.class, URI.create(ini));
initiatorList.add(initiator);
}
// Map to store volume to initiatorTargetMap
Map<Volume, Map<String, List<String>>> volumeToFCInitiatorTargetMap =
new HashMap<Volume, Map<String, List<String>>>();
attachVolumesToInitiators(
storage,
volumes,
initiatorList,
volumeToTargetLunMap,
volumeToFCInitiatorTargetMap,
exportMask);
// Update targets in the export mask
if (!volumeToFCInitiatorTargetMap.isEmpty()) {
updateTargetsInExportMask(
storage, volumes.get(0), volumeToFCInitiatorTargetMap, initiatorList, exportMask);
}
updateTargetLunIdInExportMask(volumeToTargetLunMap, exportMask);
dbClient.updateAndReindexObject(exportMask);
taskCompleter.ready(dbClient);
} catch (final Exception ex) {
log.error("Problem in AddVolumes: ", ex);
ServiceError serviceError =
DeviceControllerErrors.cinder.operationFailed("doAddVolumes", ex.getMessage());
taskCompleter.error(dbClient, serviceError);
}
log.info("{} addVolume END...", storage.getSerialNumber());
}
@Override
public void addInitiator(
StorageSystem storage,
URI exportMaskId,
List<Initiator> initiators,
List<URI> targets,
TaskCompleter taskCompleter)
throws DeviceControllerException {
log.info("{} addInitiator START...", storage.getSerialNumber());
log.info("Export mask id: {}", exportMaskId);
log.info("addInitiator: initiators : {}", initiators);
log.info("addInitiator: targets : {}", targets);
try {
ExportMask exportMask = dbClient.queryObject(ExportMask.class, exportMaskId);
List<Volume> volumeList = new ArrayList<Volume>();
// map to store target LUN id generated for each volume
Map<URI, Integer> volumeToTargetLunMap = new HashMap<URI, Integer>();
StringMap volumes = exportMask.getUserAddedVolumes();
for (String vol : volumes.values()) {
Volume volume = dbClient.queryObject(Volume.class, URI.create(vol));
volumeList.add(volume);
}
// Map to store volume to initiatorTargetMap
Map<Volume, Map<String, List<String>>> volumeToFCInitiatorTargetMap =
new HashMap<Volume, Map<String, List<String>>>();
attachVolumesToInitiators(
storage,
volumeList,
initiators,
volumeToTargetLunMap,
volumeToFCInitiatorTargetMap,
exportMask);
// Update targets in the export mask
if (!volumeToFCInitiatorTargetMap.isEmpty()) {
updateTargetsInExportMask(
storage, volumeList.get(0), volumeToFCInitiatorTargetMap, initiators, exportMask);
dbClient.updateAndReindexObject(exportMask);
}
// TODO : update volumeToTargetLunMap in export mask.?
// Do we get different LUN ID for the new initiators from the same Host.?
taskCompleter.ready(dbClient);
} catch (final Exception ex) {
log.error("Problem in AddInitiators: ", ex);
ServiceError serviceError =
DeviceControllerErrors.cinder.operationFailed("doAddInitiators", ex.getMessage());
taskCompleter.error(dbClient, serviceError);
}
log.info("{} addInitiator END...", storage.getSerialNumber());
}
