/**
* Returns a Map of networkURI => [set of endpoints connected].
*
* @param dbClient
* @param initiators
* @return
*/
public static Map<URI, Set<String>> getNetworkToInitiators(
DbClient dbClient, List<Initiator> initiators) {
Map<URI, Set<String>> networkToEndPoints = new HashMap<URI, Set<String>>();
for (Initiator initiator : initiators) {
Set<NetworkLite> networkLites =
getEndpointAllNetworksLite(initiator.getInitiatorPort(), dbClient);
if (null == networkLites || networkLites.isEmpty()) {
_log.info(
String.format(
"getNetworkToInitiators(%s) -- Initiator is not associated with any network",
initiator.getInitiatorPort()));
} else {
for (NetworkLite networkLite : networkLites) {
URI networkUri = networkLite.getId();
_log.info(
String.format(
"Adding initiator, network (%s, %s) to map",
initiator.getInitiatorPort(), networkLite.getLabel()));
Set<String> endPoints = networkToEndPoints.get(networkUri);
if (null == endPoints) {
endPoints = new HashSet<String>();
}
endPoints.add(initiator.getInitiatorPort());
networkToEndPoints.put(networkUri, endPoints);
}
}
}
return networkToEndPoints;
}
private Map<String, URI> getWWNvsURIFCInitiatorsMap(List<Initiator> fcInitiatorList) {
log.debug("START - getWWNvsURIFCInitiatorsMap");
Map<String, URI> initiatorsWWNVsURI = new HashMap<String, URI>();
for (Initiator init : fcInitiatorList) {
String wwnNoColon = Initiator.normalizePort(init.getInitiatorPort());
URI uri = init.getId();
initiatorsWWNVsURI.put(wwnNoColon, uri);
}
log.debug("END - getWWNvsURIFCInitiatorsMap");
return initiatorsWWNVsURI;
}
/**
* Detaches volumes from initiators.
*
* @param storage the storage
* @param volumes the volumes
* @param initiators the initiators
* @throws Exception the exception
*/
private void detachVolumesFromInitiators(
StorageSystem storage, List<Volume> volumes, List<Initiator> initiators) throws Exception {
CinderEndPointInfo ep = CinderUtils.getCinderEndPoint(storage.getActiveProviderURI(), dbClient);
log.debug("Getting the cinder APi for the provider with id {}", storage.getActiveProviderURI());
CinderApi cinderApi = cinderApiFactory.getApi(storage.getActiveProviderURI(), ep);
List<Initiator> iSCSIInitiators = new ArrayList<Initiator>();
List<Initiator> fcInitiators = new ArrayList<Initiator>();
splitInitiatorsByProtocol(initiators, iSCSIInitiators, fcInitiators);
String host = getHostNameFromInitiators(initiators);
Map<String, String[]> mapSettingVsValues = getFCInitiatorsArray(fcInitiators);
String[] fcInitiatorsWwpns = mapSettingVsValues.get(WWPNS);
String[] fcInitiatorsWwnns = mapSettingVsValues.get(WWNNS);
for (Volume volume : volumes) {
// cinder generated volume ID
String volumeId = volume.getNativeId();
// for iSCSI
for (Initiator initiator : iSCSIInitiators) {
String initiatorPort = initiator.getInitiatorPort();
log.debug(
String.format(
"Detaching volume %s ( %s ) from initiator %s on Openstack cinder node",
volumeId, volume.getId(), initiatorPort));
cinderApi.detachVolume(volumeId, initiatorPort, null, null, host);
// TODO : Do not use Job to poll status till we figure out how
// to get detach status.
/*
* CinderJob detachJob = new CinderDetachVolumeJob(volumeId,
* volume.getLabel(), storage.getId(),
* CinderConstants.ComponentType.volume.name(), ep,
* taskCompleter); ControllerServiceImpl.enqueueJob(new
* QueueJob(detachJob));
*/
}
// for FC
if (fcInitiatorsWwpns.length > 0) {
log.debug(
String.format(
"Detaching volume %s ( %s ) from initiator %s on Openstack cinder node",
volumeId, volume.getId(), fcInitiatorsWwpns));
cinderApi.detachVolume(volumeId, null, fcInitiatorsWwpns, fcInitiatorsWwnns, host);
}
// If ITLs are added, remove them
removeITLsFromVolume(volume);
}
}
/**
* Create Initiator Target LUN Mapping as an extension in volume object
*
* @param volume - volume in which ITL to be added
* @param exportMask - exportMask in which the volume is to be added
* @param targetLunId - integer value of host LUN id on which volume is accessible.
*/
private void storeITLMappingInVolume(
Map<URI, Integer> volumeToTargetLunMap, ExportMask exportMask) {
log.debug("START - createITLMappingInVolume");
for (URI volumeURI : volumeToTargetLunMap.keySet()) {
Integer targetLunId = volumeToTargetLunMap.get(volumeURI);
Volume volume = dbClient.queryObject(Volume.class, volumeURI);
StringSetMap zoningMap = exportMask.getZoningMap();
Set<String> zoningMapKeys = zoningMap.keySet();
int initiatorIndex = 0;
for (String initiator : zoningMapKeys) {
Initiator initiatorObj = dbClient.queryObject(Initiator.class, URI.create(initiator));
String initiatorWWPN =
initiatorObj.getInitiatorPort().replaceAll(CinderConstants.COLON, "");
StringSet targetPorts = zoningMap.get(initiator);
int targetIndex = 0;
for (String target : targetPorts) {
StoragePort targetPort = dbClient.queryObject(StoragePort.class, URI.create(target));
String targetPortWWN =
targetPort.getPortNetworkId().replaceAll(CinderConstants.COLON, "");
// Format is - <InitiatorWWPN>-<TargetWWPN>-<LunId>
String itl = initiatorWWPN + "-" + targetPortWWN + "-" + String.valueOf(targetLunId);
// ITL keys will be formed as ITL-00, ITL-01, ITL-10, ITL-11 so on
String itlKey =
CinderConstants.PREFIX_ITL
+ String.valueOf(initiatorIndex)
+ String.valueOf(targetIndex);
log.info(String.format("Adding ITL %s with key %s", itl, itlKey));
StringMap extensionsMap = volume.getExtensions();
if (null == extensionsMap) {
extensionsMap = new StringMap();
extensionsMap.put(itlKey, itl);
volume.setExtensions(extensionsMap);
} else {
volume.getExtensions().put(itlKey, itl);
}
targetIndex++;
}
initiatorIndex++;
}
dbClient.updateAndReindexObject(volume);
}
log.debug("END - createITLMappingInVolume");
}
/**
* Creates a map of initiators grouped and keyed by their network. Initiators which are not in any
* network are not returned.
*
* @param initiators the initiators
* @param client
* @return a map of network-to-initiators
*/
public static Map<NetworkLite, List<Initiator>> getInitiatorsByNetwork(
Collection<Initiator> initiators, DbClient dbClient) {
Map<NetworkLite, List<Initiator>> map = new HashMap<NetworkLite, List<Initiator>>();
NetworkLite network = null;
List<Initiator> netInitiators = null;
for (Initiator initiator : initiators) {
network = NetworkUtil.getEndpointNetworkLite(initiator.getInitiatorPort(), dbClient);
if (network != null) {
netInitiators = map.get(network);
if (netInitiators == null) {
netInitiators = new ArrayList<Initiator>();
map.put(network, netInitiators);
}
netInitiators.add(initiator);
}
}
return map;
}
private Map<String, String[]> getFCInitiatorsArray(List<Initiator> fcInitiators) {
Map<String, String[]> mapSettingVsValues = new HashMap<>();
// form an array with all FC initiator wwpns
// to put into attach request body
String[] fcInitiatorsWwpns = new String[fcInitiators.size()];
String[] fcInitiatorsWwnns = new String[fcInitiators.size()];
int index = 0;
for (Initiator fcInitiator : fcInitiators) {
// remove colons in initiator port
fcInitiatorsWwpns[index] =
fcInitiator.getInitiatorPort().replaceAll(CinderConstants.COLON, "");
String wwnn = fcInitiator.getInitiatorNode();
if (null != wwnn && wwnn.length() > 0) {
fcInitiatorsWwnns[index] = wwnn.replaceAll(CinderConstants.COLON, "");
}
index++;
}
mapSettingVsValues.put(WWPNS, fcInitiatorsWwpns);
mapSettingVsValues.put(WWNNS, fcInitiatorsWwnns);
return mapSettingVsValues;
}
/**
* Process the volumes to find the unmanaged volumes and populate the volume supported
* information.
*
* @param it
* @param keyMap
* @param operation
* @param pool
* @param system
* @param exportedVolumes
* @param volumesAndReplicas
* @param existingVolumesInCG
* @param volumeToRAGroupMap
* @param poolSupportedSLONames
* @param boundVolumes
*/
private void processVolumes(
Iterator<CIMInstance> it,
Map<String, Object> keyMap,
Operation operation,
StoragePool pool,
StorageSystem system,
Map<String, VolHostIOObject> exportedVolumes,
Set<String> existingVolumesInCG,
Map<String, RemoteMirrorObject> volumeToRAGroupMap,
Map<String, LocalReplicaObject> volumeToLocalReplicaMap,
Set<String> poolSupportedSLONames,
Set<String> boundVolumes) {
List<CIMObjectPath> metaVolumes = new ArrayList<CIMObjectPath>();
List<CIMObjectPath> metaVolumeViews = new ArrayList<CIMObjectPath>();
while (it.hasNext()) {
CIMInstance volumeViewInstance = null;
try {
volumeViewInstance = it.next();
String volumeNativeGuid =
getVolumeViewNativeGuid(volumeViewInstance.getObjectPath(), keyMap);
Volume volume = checkStorageVolumeExistsInDB(volumeNativeGuid, _dbClient);
if (null != volume) {
_logger.debug(
"Skipping discovery, as this Volume {} is already being managed by ViPR.",
volumeNativeGuid);
continue;
}
// skip non-bound volumes for this pool
if (boundVolumes != null) {
String deviceId = null;
if (system.getUsingSmis80()) {
deviceId = volumeViewInstance.getObjectPath().getKey(DEVICE_ID).getValue().toString();
} else {
deviceId = volumeViewInstance.getObjectPath().getKey(SVDEVICEID).getValue().toString();
}
if (!boundVolumes.contains(deviceId)) {
_logger.info(
"Skipping volume, as this Volume {} is not bound to this Thin Storage Pool {}",
volumeNativeGuid,
pool.getLabel());
continue;
}
}
addPath(keyMap, operation.get_result(), volumeViewInstance.getObjectPath());
String unManagedVolumeNativeGuid =
getUnManagedVolumeNativeGuid(volumeViewInstance.getObjectPath(), keyMap);
UnManagedVolume unManagedVolume =
checkUnManagedVolumeExistsInDB(unManagedVolumeNativeGuid, _dbClient);
unManagedVolume =
createUnManagedVolume(
unManagedVolume,
volumeViewInstance,
unManagedVolumeNativeGuid,
pool,
system,
volumeNativeGuid,
exportedVolumes,
existingVolumesInCG,
volumeToRAGroupMap,
volumeToLocalReplicaMap,
poolSupportedSLONames,
keyMap);
// set up UnManagedExportMask information
@SuppressWarnings("unchecked")
Map<String, Set<UnManagedExportMask>> masksMap =
(Map<String, Set<UnManagedExportMask>>)
keyMap.get(Constants.UNMANAGED_EXPORT_MASKS_MAP);
if (masksMap != null) {
Set<UnManagedExportMask> uems = masksMap.get(unManagedVolume.getNativeGuid());
if (uems != null) {
_logger.info(
"{} UnManagedExportMasks found in the keyMap for volume {}",
uems.size(),
unManagedVolume.getNativeGuid());
for (UnManagedExportMask uem : uems) {
_logger.info(
" adding UnManagedExportMask {} to UnManagedVolume", uem.getMaskingViewPath());
unManagedVolume.getUnmanagedExportMasks().add(uem.getId().toString());
uem.getUnmanagedVolumeUris().add(unManagedVolume.getId().toString());
_unManagedExportMasksUpdate.add(uem);
// add the known initiators, too
for (String initUri : uem.getKnownInitiatorUris()) {
_logger.info(" adding known Initiator URI {} to UnManagedVolume", initUri);
unManagedVolume.getInitiatorUris().add(initUri);
Initiator init = _dbClient.queryObject(Initiator.class, URI.create(initUri));
unManagedVolume.getInitiatorNetworkIds().add(init.getInitiatorPort());
}
// log this info for debugging
for (String path : uem.getUnmanagedInitiatorNetworkIds()) {
_logger.info(" UnManagedExportMask has this initiator unknown to ViPR: {}", path);
}
// check if this volume is in a vplex backend mask
// and mark it as such if it is
Object o = keyMap.get(Constants.UNMANAGED_VPLEX_BACKEND_MASKS_SET);
if (o != null) {
Set<String> unmanagedVplexBackendMasks = (Set<String>) o;
if (unmanagedVplexBackendMasks.size() > 0) {
if (unmanagedVplexBackendMasks.contains(uem.getId().toString())) {
_logger.info(
"unmanaged volume {} is a vplex backend volume",
unManagedVolume.getLabel());
unManagedVolume.putVolumeCharacterstics(
SupportedVolumeCharacterstics.IS_VPLEX_BACKEND_VOLUME.toString(), "true");
}
}
}
}
}
}
_logger.debug(
"Going to check if the volume is meta: {}, volume meta property: {}",
volumeViewInstance.getObjectPath(),
unManagedVolume
.getVolumeCharacterstics()
.get(SupportedVolumeCharacterstics.IS_METAVOLUME.toString()));
// Check if the volume is meta volume and add it to the meta
// volume list
String isMetaVolume =
unManagedVolume
.getVolumeCharacterstics()
.get(SupportedVolumeCharacterstics.IS_METAVOLUME.toString());
if (null != isMetaVolume && Boolean.valueOf(isMetaVolume)) {
if (keyMap.containsKey(Constants.IS_NEW_SMIS_PROVIDER)
&& Boolean.valueOf(keyMap.get(Constants.IS_NEW_SMIS_PROVIDER).toString())) {
metaVolumes.add(volumeViewInstance.getObjectPath());
} else {
metaVolumeViews.add(volumeViewInstance.getObjectPath());
}
_logger.info(
"Found meta volume: {}, name: {}",
volumeViewInstance.getObjectPath(),
unManagedVolume.getLabel());
}
// if volumes size reaches 200 , then dump to Db.
if (_unManagedVolumesInsert.size() > BATCH_SIZE) {
_partitionManager.insertInBatches(
_unManagedVolumesInsert, getPartitionSize(keyMap), _dbClient, UNMANAGED_VOLUME);
_unManagedVolumesInsert.clear();
}
if (_unManagedVolumesUpdate.size() > BATCH_SIZE) {
_partitionManager.updateInBatches(
_unManagedVolumesUpdate, getPartitionSize(keyMap), _dbClient, UNMANAGED_VOLUME);
_unManagedVolumesUpdate.clear();
}
if (_unManagedExportMasksUpdate.size() > BATCH_SIZE) {
_partitionManager.updateInBatches(
_unManagedExportMasksUpdate,
getPartitionSize(keyMap),
_dbClient,
UNMANAGED_EXPORT_MASK);
_unManagedExportMasksUpdate.clear();
}
unManagedVolumesReturnedFromProvider.add(unManagedVolume.getId());
} catch (Exception ex) {
_logger.error(
"Processing UnManaged Storage Volume {} ", volumeViewInstance.getObjectPath(), ex);
}
}
// Add meta volumes to the keyMap
try {
if (metaVolumes != null && !metaVolumes.isEmpty()) {
_metaVolumePaths.addAll(metaVolumes);
_logger.info("Added {} meta volumes.", metaVolumes.size());
}
if (metaVolumeViews != null && !metaVolumeViews.isEmpty()) {
_metaVolumeViewPaths.addAll(metaVolumeViews);
_logger.info("Added {} meta volume views.", metaVolumeViews.size());
}
} catch (Exception ex) {
_logger.error("Processing UnManaged meta volumes.", ex);
}
}
@Override
public StringSetMap configureZoning(
Map<URI, List<List<StoragePort>>> portGroup,
Map<String, Map<URI, Set<Initiator>>> initiatorGroup,
Map<URI, NetworkLite> networkMap,
StoragePortsAssigner assigner) {
StringSetMap zoningMap = new StringSetMap();
// Set up a map to track port usage so that we can use all ports more or less equally.
Map<StoragePort, Integer> portAUsage = new HashMap<StoragePort, Integer>();
Map<StoragePort, Integer> portBUsage = new HashMap<StoragePort, Integer>();
// Iterate through each of the directors, matching each of its initiators
// with one port.
for (String director : initiatorGroup.keySet()) {
for (URI networkURI : initiatorGroup.get(director).keySet()) {
NetworkLite net = networkMap.get(networkURI);
for (Initiator initiator : initiatorGroup.get(director).get(networkURI)) {
// If there are no ports on the initiators network, too bad...
if (portGroup.get(networkURI) == null) {
_log.info(String.format("%s -> no ports in network", initiator.getInitiatorPort()));
continue;
}
StringSet ports = new StringSet();
// Get an A Port
String aPortName = " ", bPortName = " ";
StoragePort portA =
VPlexBackEndOrchestratorUtil.assignPortToInitiator(
assigner,
portGroup.get(networkURI).iterator().next(),
net,
initiator,
portAUsage,
"SP_A");
if (portA != null) {
aPortName = portA.getPortName();
ports.add(portA.getId().toString());
}
// Get a B Port
StoragePort portB =
VPlexBackEndOrchestratorUtil.assignPortToInitiator(
assigner,
portGroup.get(networkURI).iterator().next(),
net,
initiator,
portBUsage,
"SP_B");
if (portB != null) {
bPortName = portB.getPortName();
ports.add(portB.getId().toString());
}
_log.info(
String.format(
"%s %s %s -> %s %s",
director, net.getLabel(), initiator.getInitiatorPort(), aPortName, bPortName));
zoningMap.put(initiator.getId().toString(), ports);
}
}
}
return zoningMap;
}
/**
* Update the zoning map entries from the updated target list in the mask
*
* <p>1. Clean existing zoning map entries 2. From the target storage ports in the mask, generate
* a map of networkURI string vs list of target storage ports 3. From the initiator ports in the
* mask, generate a map of its URI vs InitiatorWWN 4. From the initiatorPortMap, generate map of
* its WWN vs networkURI string 5. Based on the networkURI matching, generate zoning map entries
* adhering to vplex best practices 6. Persist the updated mask.
*
* @param initiatorPortMap
* @param exportMask
*/
private void updateZoningMap(
Map<URI, List<StoragePort>> initiatorPortMap,
Map<String, Set<String>> directorToInitiatorIds,
ExportMask exportMask) {
// STEP 1 - Clean the existing zoning map
for (String initiatorURIStr : exportMask.getZoningMap().keySet()) {
exportMask.removeZoningMapEntry(initiatorURIStr);
}
exportMask.setZoningMap(null);
// STEP 2- From Back-end storage system ports, which are used as target storage ports for VPLEX
// generate a map of networkURI string vs list of target storage ports.
Map<String, List<StoragePort>> nwUriVsTargetPortsFromMask = new HashMap<>();
StringSet targetPorts = exportMask.getStoragePorts();
for (String targetPortUri : targetPorts) {
StoragePort targetPort = _dbClient.queryObject(StoragePort.class, URI.create(targetPortUri));
String networkUri = targetPort.getNetwork().toString();
if (nwUriVsTargetPortsFromMask.containsKey(networkUri)) {
nwUriVsTargetPortsFromMask.get(networkUri).add(targetPort);
} else {
nwUriVsTargetPortsFromMask.put(networkUri, new ArrayList<StoragePort>());
nwUriVsTargetPortsFromMask.get(networkUri).add(targetPort);
}
}
// STEP 3 - From the initiator ports in the mask, generate a map of its URI vs InitiatorWWN
// Map<String, URI> initiatorWWNvsUriFromMask = new HashMap<>();
Map<String, String> initiatorUrivsWWNFromMask = new HashMap<>();
StringSet initiatorPorts = exportMask.getInitiators();
for (String initiatorUri : initiatorPorts) {
Initiator initiator = _dbClient.queryObject(Initiator.class, URI.create(initiatorUri));
String initiatorWWN = initiator.getInitiatorPort();
initiatorUrivsWWNFromMask.put(initiator.getId().toString(), initiatorWWN);
}
// STEP 4 - Convert networkURIvsStoragePort to Initiator Port WWN vs NetworkURI
Map<String, String> initiatorWWNvsNetworkURI = new HashMap<>();
Set<URI> networkURIs = initiatorPortMap.keySet();
for (URI networkURI : networkURIs) {
List<StoragePort> initiatorPortList = initiatorPortMap.get(networkURI);
List<String> initiatorWWNList = new ArrayList<>(initiatorPortList.size());
for (StoragePort initPort : initiatorPortList) {
initiatorWWNList.add(initPort.getPortNetworkId());
initiatorWWNvsNetworkURI.put(initPort.getPortNetworkId(), networkURI.toString());
}
}
// STEP 5 - Consider directors to restrict paths not more than 4 for each director
// And add the zoning map entries to adhere to the VPLEX best practices.
Map<StoragePort, Integer> portUsage = new HashMap<>();
Set<String> directorKeySet = directorToInitiatorIds.keySet();
for (String director : directorKeySet) {
Set<String> initiatorIds = directorToInitiatorIds.get(director);
int directorPaths = 0;
for (String initiatorId : initiatorIds) {
if (4 == directorPaths) {
break;
}
String initWWN = initiatorUrivsWWNFromMask.get(initiatorId);
String initiatorNetworkURI = initiatorWWNvsNetworkURI.get(initWWN);
List<StoragePort> matchingTargetPorts = nwUriVsTargetPortsFromMask.get(initiatorNetworkURI);
if (null != matchingTargetPorts && !matchingTargetPorts.isEmpty()) {
StoragePort assignedPort = assignPortBasedOnUsage(matchingTargetPorts, portUsage);
StringSet targetPortURIs = new StringSet();
targetPortURIs.add(assignedPort.getId().toString());
_log.info(
String.format(
"Adding zoning map entry - Initiator is %s and its targetPorts %s",
initiatorId, targetPortURIs.toString()));
exportMask.addZoningMapEntry(initiatorId, targetPortURIs);
directorPaths++;
}
}
}
// STEP 6 - persist the mask
_dbClient.updateAndReindexObject(exportMask);
}
/**
* Routine contains logic to create an export mask on the array
*
* @param workflow - Workflow object to create steps against
* @param previousStep - [optional] Identifier of workflow step to wait for
* @param device - BlockStorageDevice implementation
* @param storage - StorageSystem object representing the underlying array
* @param exportGroup - ExportGroup object representing Bourne-level masking
* @param initiatorURIs - List of Initiator URIs
* @param volumeMap - Map of Volume URIs to requested Integer HLUs
* @param zoningStepNeeded - Not required ofr HDS
* @param token - Identifier for the operation
* @throws Exception
*/
public boolean determineExportGroupCreateSteps(
Workflow workflow,
String previousStep,
BlockStorageDevice device,
StorageSystem storage,
ExportGroup exportGroup,
List<URI> initiatorURIs,
Map<URI, Integer> volumeMap,
boolean zoningStepNeeded,
String token)
throws Exception {
Map<String, URI> portNameToInitiatorURI = new HashMap<String, URI>();
List<URI> volumeURIs = new ArrayList<URI>();
volumeURIs.addAll(volumeMap.keySet());
Map<URI, URI> hostToExistingExportMaskMap = new HashMap<URI, URI>();
List<URI> hostURIs = new ArrayList<URI>();
List<String> portNames = new ArrayList<String>();
List<Initiator> initiators = _dbClient.queryObject(Initiator.class, initiatorURIs);
// Populate the port WWN/IQNs (portNames) and the
// mapping of the WWN/IQNs to Initiator URIs
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);
// Find the export masks that are associated with any or all the ports in
// portNames. We will have to do processing differently based on whether
// or there is an existing ExportMasks.
Map<String, Set<URI>> matchingExportMaskURIs =
device.findExportMasks(storage, portNames, false);
if (matchingExportMaskURIs.isEmpty()) {
_log.info(
String.format(
"No existing mask found w/ initiators { %s }", Joiner.on(",").join(portNames)));
createNewExportMaskWorkflowForInitiators(
initiatorURIs, exportGroup, workflow, volumeMap, storage, token, previousStep);
} else {
_log.info(
String.format(
"Mask(s) found w/ initiators {%s}. "
+ "MatchingExportMaskURIs {%s}, portNameToInitiators {%s}",
Joiner.on(",").join(portNames),
Joiner.on(",").join(matchingExportMaskURIs.values()),
Joiner.on(",").join(portNameToInitiatorURI.entrySet())));
// There are some initiators that already exist. We need to create a
// workflow that create new masking containers or updates masking
// containers as necessary.
// These data structures will be used to track new initiators - ones
// that don't already exist on the array
List<URI> initiatorURIsCopy = new ArrayList<URI>();
initiatorURIsCopy.addAll(initiatorURIs);
// This loop will determine a list of volumes to update per export mask
Map<URI, Map<URI, Integer>> existingMasksToUpdateWithNewVolumes =
new HashMap<URI, Map<URI, Integer>>();
Map<URI, Set<Initiator>> existingMasksToUpdateWithNewInitiators =
new HashMap<URI, Set<Initiator>>();
for (Map.Entry<String, Set<URI>> entry : matchingExportMaskURIs.entrySet()) {
URI initiatorURI = portNameToInitiatorURI.get(entry.getKey());
Initiator initiator = _dbClient.queryObject(Initiator.class, initiatorURI);
// Keep track of those initiators that have been found to exist already
// in some export mask on the array
initiatorURIsCopy.remove(initiatorURI);
// Get a list of the ExportMasks that were matched to the initiator
List<URI> exportMaskURIs = new ArrayList<URI>();
exportMaskURIs.addAll(entry.getValue());
List<ExportMask> masks = _dbClient.queryObject(ExportMask.class, exportMaskURIs);
_log.info(
String.format(
"initiator %s masks {%s}",
initiator.getInitiatorPort(), Joiner.on(',').join(exportMaskURIs)));
for (ExportMask mask : masks) {
// ExportMask is created using non-vipr. Set the mask name if it doesn't have.
if (null == mask.getMaskName()) {
String maskName =
ExportMaskUtils.getMaskName(_dbClient, initiators, exportGroup, storage);
_log.info("Generated mask name: {}", maskName);
mask.setMaskName(maskName);
}
// Check for NO_VIPR. If found, avoid this mask.
if (mask.getMaskName() != null
&& mask.getMaskName().toUpperCase().contains(ExportUtils.NO_VIPR)) {
_log.info(
String.format(
"ExportMask %s disqualified because the name contains %s (in upper or lower case) to exclude it",
mask.getMaskName(), ExportUtils.NO_VIPR));
continue;
}
_log.info(
String.format(
"mask %s has initiator %s", mask.getMaskName(), initiator.getInitiatorPort()));
if (mask.getCreatedBySystem()) {
_log.info(
String.format(
"initiator %s is in persisted mask %s",
initiator.getInitiatorPort(), mask.getMaskName()));
// We're still OK if the mask contains ONLY initiators that can be found
// in our export group, because we would simply add to them.
if (mask.getInitiators() != null) {
for (String existingMaskInitiatorStr : mask.getInitiators()) {
// Now look at it from a different angle. Which one of our export group initiators
// are NOT in the current mask? And if so, if it belongs to the same host as an
// existing one,
// we should add it to this mask.
Iterator<URI> initiatorIter = initiatorURIsCopy.iterator();
while (initiatorIter.hasNext()) {
Initiator initiatorCopy =
_dbClient.queryObject(Initiator.class, initiatorIter.next());
if (initiatorCopy != null
&& initiatorCopy.getId() != null
&& !mask.hasInitiator(initiatorCopy.getId().toString())) {
Initiator existingMaskInitiator =
_dbClient.queryObject(
Initiator.class, URI.create(existingMaskInitiatorStr));
if (existingMaskInitiator != null
&& initiatorCopy.getHost() != null
&& initiatorCopy.getHost().equals(existingMaskInitiator.getHost())) {
// Add to the list of initiators we need to add to this mask
Set<Initiator> existingMaskInitiators =
existingMasksToUpdateWithNewInitiators.get(mask.getId());
if (existingMaskInitiators == null) {
existingMaskInitiators = new HashSet<Initiator>();
existingMasksToUpdateWithNewInitiators.put(
mask.getId(), existingMaskInitiators);
}
existingMaskInitiators.add(initiatorCopy);
initiatorIter
.remove(); // remove this from the list of initiators we'll make a new
// mask from
}
}
}
}
}
} else {
// Insert this initiator into the mask's list of initiators managed by the system.
// This will get persisted below.
mask.addInitiator(initiator);
if (!NullColumnValueGetter.isNullURI(initiator.getHost())) {
hostToExistingExportMaskMap.put(initiator.getHost(), mask.getId());
}
}
// We need to see if the volume also exists the mask,
// if it doesn't then we'll add it to the list of volumes to add.
for (URI boURI : volumeURIs) {
BlockObject bo = BlockObject.fetch(_dbClient, boURI);
if (!mask.hasExistingVolume(bo)) {
_log.info(
String.format(
"volume %s is not in mask %s", bo.getNativeGuid(), mask.getMaskName()));
// The volume doesn't exist, so we have to add it to
// the masking container.
Map<URI, Integer> newVolumes = existingMasksToUpdateWithNewVolumes.get(mask.getId());
if (newVolumes == null) {
newVolumes = new HashMap<URI, Integer>();
existingMasksToUpdateWithNewVolumes.put(mask.getId(), newVolumes);
}
// Check if the requested HLU for the volume is
// already taken by a pre-existing volume.
Integer requestedHLU = volumeMap.get(bo.getId());
StringMap existingVolumesInMask = mask.getExistingVolumes();
if (existingVolumesInMask != null
&& existingVolumesInMask.containsValue(requestedHLU.toString())) {
ExportOrchestrationTask completer =
new ExportOrchestrationTask(exportGroup.getId(), token);
ServiceError serviceError =
DeviceControllerException.errors.exportHasExistingVolumeWithRequestedHLU(
boURI.toString(), requestedHLU.toString());
completer.error(_dbClient, serviceError);
return false;
}
newVolumes.put(bo.getId(), requestedHLU);
mask.addToUserCreatedVolumes(bo);
}
}
// Update the list of volumes and initiators for the mask
Map<URI, Integer> volumeMapForExistingMask =
existingMasksToUpdateWithNewVolumes.get(mask.getId());
if (volumeMapForExistingMask != null && !volumeMapForExistingMask.isEmpty()) {
mask.addVolumes(volumeMapForExistingMask);
}
Set<Initiator> initiatorSetForExistingMask =
existingMasksToUpdateWithNewInitiators.get(mask.getId());
if (initiatorSetForExistingMask != null && initiatorSetForExistingMask.isEmpty()) {
mask.addInitiators(initiatorSetForExistingMask);
}
updateZoningMap(exportGroup, mask);
_dbClient.updateAndReindexObject(mask);
// TODO: All export group modifications should be moved to completers
exportGroup.addExportMask(mask.getId());
_dbClient.updateAndReindexObject(exportGroup);
}
}
// The initiatorURIsCopy was used in the foreach initiator loop to see
// which initiators already exist in a mask. If it is non-empty,
// then it means there are initiators that are new,
// so let's add them to the main tracker
Map<URI, List<URI>> hostInitiatorMap = new HashMap<URI, List<URI>>();
if (!initiatorURIsCopy.isEmpty()) {
for (URI newExportMaskInitiator : initiatorURIsCopy) {
Initiator initiator = _dbClient.queryObject(Initiator.class, newExportMaskInitiator);
List<URI> initiatorSet = hostInitiatorMap.get(initiator.getHost());
if (initiatorSet == null) {
initiatorSet = new ArrayList<URI>();
hostInitiatorMap.put(initiator.getHost(), initiatorSet);
}
initiatorSet.add(initiator.getId());
_log.info(
String.format(
"host = %s, "
+ "initiators to add: %d, "
+ "existingMasksToUpdateWithNewVolumes.size = %d",
initiator.getHost(),
hostInitiatorMap.get(initiator.getHost()).size(),
existingMasksToUpdateWithNewVolumes.size()));
}
}
_log.info(
String.format(
"existingMasksToUpdateWithNewVolumes.size = %d",
existingMasksToUpdateWithNewVolumes.size()));
// At this point we have the necessary data structures populated to
// determine the workflow steps. We are going to create new masks
// and/or add volumes to existing masks.
if (!hostInitiatorMap.isEmpty()) {
for (URI hostID : hostInitiatorMap.keySet()) {
// Check if there is an existing mask (created outside of ViPR) for
// the host. If there is we will need to add these intiators
// associated with that host to the list
if (hostToExistingExportMaskMap.containsKey(hostID)) {
URI existingExportMaskURI = hostToExistingExportMaskMap.get(hostID);
Set<Initiator> toAddInits = new HashSet<Initiator>();
List<URI> hostInitaitorList = hostInitiatorMap.get(hostID);
for (URI initURI : hostInitaitorList) {
Initiator initiator = _dbClient.queryObject(Initiator.class, initURI);
if (!initiator.getInactive()) {
toAddInits.add(initiator);
}
}
_log.info(
String.format(
"Need to add new initiators to existing mask %s, %s",
existingExportMaskURI.toString(), Joiner.on(',').join(hostInitaitorList)));
existingMasksToUpdateWithNewInitiators.put(existingExportMaskURI, toAddInits);
continue;
}
// We have some brand new initiators, let's add them to new masks
_log.info(
String.format(
"new export masks %s", Joiner.on(",").join(hostInitiatorMap.get(hostID))));
generateExportMaskCreateWorkflow(
workflow,
previousStep,
storage,
exportGroup,
hostInitiatorMap.get(hostID),
volumeMap,
token);
}
}
Map<URI, String> stepMap = new HashMap<URI, String>();
for (Map.Entry<URI, Map<URI, Integer>> entry :
existingMasksToUpdateWithNewVolumes.entrySet()) {
ExportMask mask = _dbClient.queryObject(ExportMask.class, entry.getKey());
Map<URI, Integer> volumesToAdd = entry.getValue();
_log.info(
String.format(
"adding these volumes %s to mask %s",
Joiner.on(",").join(volumesToAdd.keySet()), mask.getMaskName()));
stepMap.put(
entry.getKey(),
generateExportMaskAddVolumesWorkflow(
workflow, null, storage, exportGroup, mask, volumesToAdd));
}
for (Entry<URI, Set<Initiator>> entry : existingMasksToUpdateWithNewInitiators.entrySet()) {
ExportMask mask = _dbClient.queryObject(ExportMask.class, entry.getKey());
Set<Initiator> initiatorsToAdd = entry.getValue();
List<URI> initiatorsURIs = new ArrayList<URI>();
for (Initiator initiator : initiatorsToAdd) {
initiatorsURIs.add(initiator.getId());
}
_log.info(
String.format(
"adding these initiators %s to mask %s",
Joiner.on(",").join(initiatorsURIs), mask.getMaskName()));
previousStep =
stepMap.get(entry.getKey()) == null ? previousStep : stepMap.get(entry.getKey());
generateExportMaskAddInitiatorsWorkflow(
workflow, previousStep, storage, exportGroup, mask, initiatorsURIs, null, token);
}
}
return true;
}
/**
* Attaches volumes to initiators.
*
* @param storage the storage
* @param volumes the volumes
* @param initiators the initiators
* @param volumeToTargetLunMap the volume to target lun map
* @throws Exception the exception
*/
private void attachVolumesToInitiators(
StorageSystem storage,
List<Volume> volumes,
List<Initiator> initiators,
Map<URI, Integer> volumeToTargetLunMap,
Map<Volume, Map<String, List<String>>> volumeToInitiatorTargetMap,
ExportMask exportMask)
throws Exception {
CinderEndPointInfo ep = CinderUtils.getCinderEndPoint(storage.getActiveProviderURI(), dbClient);
log.debug(
"Getting the cinder APi for the provider with id {}", storage.getActiveProviderURI());
CinderApi cinderApi = cinderApiFactory.getApi(storage.getActiveProviderURI(), ep);
List<Initiator> iSCSIInitiators = new ArrayList<Initiator>();
List<Initiator> fcInitiators = new ArrayList<Initiator>();
splitInitiatorsByProtocol(initiators, iSCSIInitiators, fcInitiators);
String host = getHostNameFromInitiators(initiators);
Map<String, String[]> mapSettingVsValues = getFCInitiatorsArray(fcInitiators);
String[] fcInitiatorsWwpns = mapSettingVsValues.get(WWPNS);
String[] fcInitiatorsWwnns = mapSettingVsValues.get(WWNNS);
for (Volume volume : volumes) {
// cinder generated volume ID
String volumeId = volume.getNativeId();
int targetLunId = -1;
VolumeAttachResponse attachResponse = null;
// for iSCSI
for (Initiator initiator : iSCSIInitiators) {
String initiatorPort = initiator.getInitiatorPort();
log.debug(
String.format(
"Attaching volume %s ( %s ) to initiator %s on Openstack cinder node",
volumeId, volume.getId(), initiatorPort));
attachResponse = cinderApi.attachVolume(volumeId, initiatorPort, null, null, host);
log.info("Got response : {}", attachResponse.connection_info.toString());
targetLunId = attachResponse.connection_info.data.target_lun;
}
// for FC
if (fcInitiatorsWwpns.length > 0) {
log.debug(
String.format(
"Attaching volume %s ( %s ) to initiators %s on Openstack cinder node",
volumeId, volume.getId(), fcInitiatorsWwpns));
attachResponse =
cinderApi.attachVolume(volumeId, null, fcInitiatorsWwpns, fcInitiatorsWwnns, host);
log.info("Got response : {}", attachResponse.connection_info.toString());
targetLunId = attachResponse.connection_info.data.target_lun;
Map<String, List<String>> initTargetMap =
attachResponse.connection_info.data.initiator_target_map;
if (null != initTargetMap && !initTargetMap.isEmpty()) {
volumeToInitiatorTargetMap.put(
volume, attachResponse.connection_info.data.initiator_target_map);
}
}
volumeToTargetLunMap.put(volume.getId(), targetLunId);
// After the successful export, create or modify the storage ports
CinderStoragePortOperations storagePortOperationsInstance =
CinderStoragePortOperations.getInstance(storage, dbClient);
storagePortOperationsInstance.invoke(attachResponse);
}
// Add ITLs to volume objects
storeITLMappingInVolume(volumeToTargetLunMap, exportMask);
}