/** {@inheritDoc} */
@Override
public List<BlockObject> getAllSourceObjectsForFullCopyRequest(BlockObject fcSourceObj) {
// Treats full copies of snapshots as is done in base class.
if (URIUtil.isType(fcSourceObj.getId(), BlockSnapshot.class)) {
return super.getAllSourceObjectsForFullCopyRequest(fcSourceObj);
}
// By default, if the passed volume is in a consistency group
// all volumes in the consistency group should be copied.
List<BlockObject> fcSourceObjList = new ArrayList<BlockObject>();
URI cgURI = fcSourceObj.getConsistencyGroup();
if (!NullColumnValueGetter.isNullURI(cgURI)) {
BlockConsistencyGroup cg = _dbClient.queryObject(BlockConsistencyGroup.class, cgURI);
// If there is no corresponding native CG for the VPLEX
// CG, then this is a CG created prior to 2.2 and in this
// case we want full copies treated like snapshots, which
// is only create a copy of the passed object.
if (!cg.checkForType(Types.LOCAL)) {
fcSourceObjList.add(fcSourceObj);
} else {
fcSourceObjList.addAll(getActiveCGVolumes(cg));
}
} else {
fcSourceObjList.add(fcSourceObj);
}
return fcSourceObjList;
}
/** {@inheritDoc} */
@Override
public void validateFullCopyCreateRequest(List<BlockObject> fcSourceObjList, int count) {
// Call super first.
super.validateFullCopyCreateRequest(fcSourceObjList, count);
// For VMAX3 you cannot have active snap and full copy sessions,
// so verify there are no active snapshots for the volume. Note
// that we know the source is a volume, because full copies are
// not allowed for vmax snapshots, which would have been caught
// in the call to super.
for (BlockObject fcSourceObj : fcSourceObjList) {
BlockServiceUtils.validateVMAX3ActiveSnapSessionsExists(
fcSourceObj.getId(), _dbClient, FULLCOPIES);
}
}
/**
* 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;
}
/** {@inheritDoc} */
@Override
public TaskList create(
List<BlockObject> fcSourceObjList,
VirtualArray varray,
String name,
boolean createInactive,
int count,
String taskId) {
// Populate the descriptors list with all volumes required
// to create the VPLEX volume copies.
int sourceCounter = 0;
URI vplexSrcSystemId = null;
TaskList taskList = new TaskList();
List<Volume> vplexCopyVolumes = new ArrayList<Volume>();
List<VolumeDescriptor> volumeDescriptors = new ArrayList<VolumeDescriptor>();
List<BlockObject> sortedSourceObjectList = sortFullCopySourceList(fcSourceObjList);
for (BlockObject fcSourceObj : sortedSourceObjectList) {
URI fcSourceURI = fcSourceObj.getId();
if (URIUtil.isType(fcSourceURI, BlockSnapshot.class)) {
// Full copy of snapshots is not supported for VPLEX.
return super.create(sortedSourceObjectList, varray, name, createInactive, count, taskId);
}
Volume vplexSrcVolume = (Volume) fcSourceObj;
String copyName = name + (sortedSourceObjectList.size() > 1 ? "-" + ++sourceCounter : "");
// Create a volume descriptor for the source VPLEX volume being copied.
// and add it to the descriptors list. Be sure to identify this VPLEX
// volume as the source volume being copied.
vplexSrcSystemId = fcSourceObj.getStorageController();
VolumeDescriptor vplexSrcVolumeDescr =
new VolumeDescriptor(
VolumeDescriptor.Type.VPLEX_VIRT_VOLUME, vplexSrcSystemId, fcSourceURI, null, null);
Map<String, Object> descrParams = new HashMap<String, Object>();
descrParams.put(VolumeDescriptor.PARAM_IS_COPY_SOURCE_ID, Boolean.TRUE);
vplexSrcVolumeDescr.setParameters(descrParams);
volumeDescriptors.add(vplexSrcVolumeDescr);
// Get some info about the VPLEX volume being copied and its storage
// system.
Project vplexSrcProject =
BlockFullCopyUtils.queryFullCopySourceProject(fcSourceObj, _dbClient);
StorageSystem vplexSrcSystem = _dbClient.queryObject(StorageSystem.class, vplexSrcSystemId);
Project vplexSystemProject =
VPlexBlockServiceApiImpl.getVplexProject(vplexSrcSystem, _dbClient, _tenantsService);
// For the VPLEX volume being copied, determine which of the associated
// backend volumes is the primary and, for distributed volumes, which
// is the HA volume. The primary volume will be natively copied and we
// we need to place and prepare a volume to hold the copy. This copy
// will be the primary backend volume for the VPLEX volume copy. For
// a distributed virtual volume, we will need to place and prepare
// a volume to hold the HA volume of the VPLEX volume copy.
Volume vplexSrcPrimaryVolume = null;
Volume vplexSrcHAVolume = null;
StringSet assocVolumeURIs = vplexSrcVolume.getAssociatedVolumes();
Iterator<String> assocVolumeURIsIter = assocVolumeURIs.iterator();
while (assocVolumeURIsIter.hasNext()) {
URI assocVolumeURI = URI.create(assocVolumeURIsIter.next());
Volume assocVolume = _dbClient.queryObject(Volume.class, assocVolumeURI);
if (assocVolume.getVirtualArray().toString().equals(varray.getId().toString())) {
vplexSrcPrimaryVolume = assocVolume;
} else {
vplexSrcHAVolume = assocVolume;
}
}
// Get the capabilities
VirtualPool vpool = BlockFullCopyUtils.queryFullCopySourceVPool(fcSourceObj, _dbClient);
VirtualPoolCapabilityValuesWrapper capabilities =
getCapabilitiesForFullCopyCreate(fcSourceObj, vpool, count);
// Get the number of copies to create and the size of the volumes.
// Note that for the size, we must use the actual provisioned size
// of the source side backend volume. The size passed in the
// capabilities will be the size of the VPLEX volume. When the
// source side backend volume for the copy is provisioned, you
// might not get that actual size. On VMAX, the size will be slightly
// larger while for VNX the size will be exactly what is requested.
// So, if the source side is a VMAX, the source side for the copy
// will be slightly larger than the size in the capabilities. If the HA
// side is VNX and we use the size in the capabilities, then you will
// get exactly that size for the HA backend volume. As a result, source
// side backend volume for the copy will be slightly larger than the
// HA side. Now the way a VPLEX copy is made is it uses native full
// copy to create a native full copy of the source side backend
// volume. It then provisions the HA side volume. The new source side
// backend copy is then imported into VPLEX in the same way as is done
// for a vpool change that imports a volume to VPLEX. This code in the
// VPLEX controller creates a local VPLEX volume using the source side
// copy and for a distributed volume it then attaches as a remote
// mirror the HA backend volume that is provisioned. If the HA volume
// is slightly smaller, then this will fail on the VPLEX. So, we must
// ensure that HA side volume is big enough by using the provisioned
// capacity of the source side backend volume of the VPLEX volume being
// copied.
long size = vplexSrcPrimaryVolume.getProvisionedCapacity();
// Place and prepare a volume for each copy to serve as a native
// copy of a VPLEX backend volume. The VPLEX backend volume that
// is copied is the backend volume in the same virtual array as the
// VPLEX volume i.e, the primary backend volume. Create
// descriptors for these prepared volumes and add them to the list.
List<Volume> vplexCopyPrimaryVolumes =
prepareFullCopyPrimaryVolumes(
copyName, count, vplexSrcPrimaryVolume, capabilities, volumeDescriptors);
// If the VPLEX volume being copied is distributed, then the VPLEX
// HA volume should be non-null. We use the VPLEX scheduler to place
// and then prepare volumes for the HA volumes of the VPLEX volume
// copies. This should be done in the same manner as is done for the
// import volume routine. This is because to form the VPLEX volume
// copy we import the copy of the primary backend volume.
List<Volume> vplexCopyHAVolumes = new ArrayList<Volume>();
if (vplexSrcHAVolume != null) {
vplexCopyHAVolumes.addAll(
prepareFullCopyHAVolumes(
copyName,
count,
size,
vplexSrcSystem,
vplexSystemProject,
varray,
vplexSrcHAVolume,
taskId,
volumeDescriptors));
}
// For each copy to be created, place and prepare a volume for the
// primary backend volume copy. When copying a distributed VPLEX
// volume, we also must place and prepare a volume for the HA
// backend volume copy. Lastly, we must prepare a volume for the
// VPLEX volume copy. Create descriptors for these prepared volumes
// and add them to the volume descriptors list.
for (int i = 0; i < count; i++) {
// Prepare a new VPLEX volume for each copy.
Volume vplexCopyPrimaryVolume = vplexCopyPrimaryVolumes.get(i);
Volume vplexCopyHAVolume = null;
if (vplexCopyHAVolumes.size() != 0) {
vplexCopyHAVolume = vplexCopyHAVolumes.get(i);
}
Volume vplexCopyVolume =
prepareFullCopyVPlexVolume(
copyName,
count,
i,
size,
vplexSrcVolume,
vplexSrcProject,
varray,
vpool,
vplexSrcSystemId,
vplexCopyPrimaryVolume,
vplexCopyHAVolume,
taskId,
volumeDescriptors);
vplexCopyVolumes.add(vplexCopyVolume);
// Create task for each copy.
Operation op = vplexCopyVolume.getOpStatus().get(taskId);
TaskResourceRep task = toTask(vplexCopyVolume, taskId, op);
taskList.getTaskList().add(task);
}
}
// Invoke the VPLEX controller to create the copies.
try {
s_logger.info("Getting VPlex controller {}.", taskId);
VPlexController controller =
getController(VPlexController.class, DiscoveredDataObject.Type.vplex.toString());
// TBD controller needs to be updated to handle CGs.
controller.createFullCopy(vplexSrcSystemId, volumeDescriptors, taskId);
s_logger.info("Successfully invoked controller.");
} catch (InternalException e) {
s_logger.error("Controller error", e);
// Update the status for the VPLEX volume copies and their
// corresponding tasks.
for (Volume vplexCopyVolume : vplexCopyVolumes) {
Operation op = vplexCopyVolume.getOpStatus().get(taskId);
if (op != null) {
op.error(e);
vplexCopyVolume.getOpStatus().updateTaskStatus(taskId, op);
_dbClient.persistObject(vplexCopyVolume);
for (TaskResourceRep task : taskList.getTaskList()) {
if (task.getResource().getId().equals(vplexCopyVolume.getId())) {
task.setState(op.getStatus());
task.setMessage(op.getMessage());
break;
}
}
}
}
// Mark all volumes inactive, except for the VPLEX volume
// we were trying to copy.
for (VolumeDescriptor descriptor : volumeDescriptors) {
if (descriptor.getParameters().get(VolumeDescriptor.PARAM_IS_COPY_SOURCE_ID) == null) {
Volume volume = _dbClient.queryObject(Volume.class, descriptor.getVolumeURI());
volume.setInactive(true);
_dbClient.persistObject(volume);
}
}
}
return taskList;
}