@Override
public void exportGroupAddVolumes(
URI storageURI, URI exportGroupURI, Map<URI, Integer> volumeMap, String token)
throws Exception {
ExportOrchestrationTask taskCompleter = null;
try {
BlockStorageDevice device = getDevice();
taskCompleter = new ExportOrchestrationTask(exportGroupURI, token);
StorageSystem storage = _dbClient.queryObject(StorageSystem.class, storageURI);
ExportGroup exportGroup = _dbClient.queryObject(ExportGroup.class, exportGroupURI);
boolean anyVolumesAdded = false;
boolean createdNewMask = false;
if (exportGroup.getExportMasks() != null) {
// Set up workflow steps.
Workflow workflow =
_workflowService.getNewWorkflow(
MaskingWorkflowEntryPoints.getInstance(), "exportGroupAddVolumes", true, token);
List<ExportMask> exportMasksToZoneAddVolumes = new ArrayList<ExportMask>();
List<URI> volumesToZoneAddVolumes = new ArrayList<URI>();
List<URI> exportMasksToZoneCreate = new ArrayList<URI>();
Map<URI, Integer> volumesToZoneCreate = new HashMap<URI, Integer>();
// Add the volume to all the ExportMasks that are contained in the
// ExportGroup. The volumes should be added only if they don't
// already exist for the ExportMask.
Collection<URI> initiatorURIs =
Collections2.transform(
exportGroup.getInitiators(), CommonTransformerFunctions.FCTN_STRING_TO_URI);
List<URI> hostURIs = new ArrayList<URI>();
Map<String, URI> portNameToInitiatorURI = new HashMap<String, URI>();
List<String> portNames = new ArrayList<String>();
processInitiators(exportGroup, initiatorURIs, portNames, portNameToInitiatorURI, hostURIs);
// We always want to have the full list of initiators for the hosts involved in
// this export. This will allow the export operation to always find any
// existing exports for a given host.
queryHostInitiatorsAndAddToList(portNames, portNameToInitiatorURI, initiatorURIs, hostURIs);
Map<String, Set<URI>> foundMatches = device.findExportMasks(storage, portNames, false);
Set<String> checkMasks = mergeWithExportGroupMaskURIs(exportGroup, foundMatches.values());
for (String maskURIStr : checkMasks) {
ExportMask exportMask = _dbClient.queryObject(ExportMask.class, URI.create(maskURIStr));
_log.info(String.format("Checking mask %s", exportMask.getMaskName()));
if (!exportMask.getInactive() && exportMask.getStorageDevice().equals(storageURI)) {
exportMask = device.refreshExportMask(storage, exportMask);
// BlockStorageDevice level, so that it has up-to-date
// info from the array
Map<URI, Integer> volumesToAdd =
getVolumesToAdd(volumeMap, exportMask, exportGroup, token);
// Not able to get VolumesToAdd due to error condition so, return
if (null == volumesToAdd) {
return;
}
_log.info(
String.format(
"Mask %s, adding volumes %s",
exportMask.getMaskName(), Joiner.on(',').join(volumesToAdd.entrySet())));
if (volumesToAdd.size() > 0) {
exportMasksToZoneAddVolumes.add(exportMask);
volumesToZoneAddVolumes.addAll(volumesToAdd.keySet());
// Make sure the zoning map is getting updated for user-created masks
updateZoningMap(exportGroup, exportMask, true);
generateExportMaskAddVolumesWorkflow(
workflow,
EXPORT_GROUP_ZONING_TASK,
storage,
exportGroup,
exportMask,
volumesToAdd);
anyVolumesAdded = true;
// Need to check if the mask is not already associated with
// ExportGroup. This is case when we are adding volume to
// the export and there is an existing export on the array.
// We have to reuse that existing export, but we need also
// associated it with the ExportGroup.
if (!exportGroup.hasMask(exportMask.getId())) {
exportGroup.addExportMask(exportMask.getId());
_dbClient.updateAndReindexObject(exportGroup);
}
}
}
}
if (!anyVolumesAdded) {
// This is the case where we were requested to add volumes to the
// export for this storage array, but none were scheduled to be
// added. This could be either because there are existing masks,
// but the volumes are already in the export mask or there are no
// masks for the storage array. We are checking if there are any
// masks and if there are initiators for the export.
if (!ExportMaskUtils.hasExportMaskForStorage(_dbClient, exportGroup, storageURI)
&& exportGroup.hasInitiators()) {
_log.info(
"No existing masks to which the requested volumes can be added. Creating a new mask");
List<URI> initiators = StringSetUtil.stringSetToUriList(exportGroup.getInitiators());
Map<String, List<URI>> hostInitiatorMap =
mapInitiatorsToComputeResource(exportGroup, initiators);
if (!hostInitiatorMap.isEmpty()) {
for (Map.Entry<String, List<URI>> resourceEntry : hostInitiatorMap.entrySet()) {
String computeKey = resourceEntry.getKey();
List<URI> computeInitiatorURIs = resourceEntry.getValue();
_log.info(String.format("New export masks for %s", computeKey));
GenExportMaskCreateWorkflowResult result =
generateExportMaskCreateWorkflow(
workflow,
EXPORT_GROUP_ZONING_TASK,
storage,
exportGroup,
computeInitiatorURIs,
volumeMap,
token);
exportMasksToZoneCreate.add(result.getMaskURI());
volumesToZoneCreate.putAll(volumeMap);
}
createdNewMask = true;
}
}
}
if (!exportMasksToZoneAddVolumes.isEmpty()) {
generateZoningAddVolumesWorkflow(
workflow, null, exportGroup, exportMasksToZoneAddVolumes, volumesToZoneAddVolumes);
}
if (!exportMasksToZoneCreate.isEmpty()) {
generateZoningCreateWorkflow(
workflow, null, exportGroup, exportMasksToZoneCreate, volumesToZoneCreate);
}
String successMessage =
String.format(
"Successfully added volumes to export on StorageArray %s", storage.getLabel());
workflow.executePlan(taskCompleter, successMessage);
} else {
if (exportGroup.hasInitiators()) {
_log.info("There are no masks for this export. Need to create anew.");
List<URI> initiatorURIs = new ArrayList<URI>();
for (String initiatorURIStr : exportGroup.getInitiators()) {
initiatorURIs.add(URI.create(initiatorURIStr));
}
// Invoke the export group create operation,
// which should in turn create a workflow operations to
// create the export for the newly added volume(s).
exportGroupCreate(storageURI, exportGroupURI, initiatorURIs, volumeMap, token);
anyVolumesAdded = true;
} else {
_log.warn("There are no initiator for export group: " + exportGroup.getLabel());
}
}
if (!anyVolumesAdded && !createdNewMask) {
taskCompleter.ready(_dbClient);
_log.info(
"No volumes pushed to array because either they already exist "
+ "or there were no initiators added to the export yet.");
}
} catch (Exception ex) {
_log.error("ExportGroup Orchestration failed.", ex);
// TODO add service code here
if (taskCompleter != null) {
ServiceError serviceError =
DeviceControllerException.errors.jobFailedMsg(ex.getMessage(), ex);
taskCompleter.error(_dbClient, serviceError);
}
}
}
