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CLOUDSTACK-595 : Recreate root volume scenarios doesn't work in vmware

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Issue seen during system vm template upgrade and restoreVM command
scenarios for vmware. In these cases CS tries to recreate root disk with
same name as the existing one, in case of vmware this results in creation
of vmdk file with same name for both existing and new root volume.
This results in undesired behavior when storage cleanup thread tries to
cleanup old volume. Made the vmdk file name unique by adding the volume
id to it. This will ensure that during volume recreation in the scenarios
mentioned vmdk will get created with a new name and there will be
no undesired side effects of running the storage cleanup thread.
This commit is contained in:
Koushik Das 2013-01-07 16:08:04 +05:30 committed by Murali Reddy
parent 5502f4b20c
commit 3ffbc4320a
2 changed files with 34 additions and 29 deletions
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43
plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
View File

@ -3708,7 +3708,9 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
DatastoreMO dsMo = new DatastoreMO(context, morDatastore);
if (cmd.getDiskCharacteristics().getType() == Volume.Type.ROOT) {
if (dskch.getType() == Volume.Type.ROOT) {
// attach volume id to make the name unique
String vmdkName = dskch.getName() + "-" + dskch.getVolumeId();
if (cmd.getTemplateUrl() == null) {
// create a root volume for blank VM
String dummyVmName = getWorkerName(context, cmd, 0);
@ -3720,16 +3722,15 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
throw new Exception("Unable to create a dummy VM for volume creation");
}
String volumeDatastorePath = String.format("[%s] %s.vmdk", dsMo.getName(), cmd.getDiskCharacteristics().getName());
String volumeDatastorePath = String.format("[%s] %s.vmdk", dsMo.getName(), vmdkName);
synchronized (this) {
s_logger.info("Delete file if exists in datastore to clear the way for creating the volume. file: " + volumeDatastorePath);
VmwareHelper.deleteVolumeVmdkFiles(dsMo, cmd.getDiskCharacteristics().getName(), dcMo);
vmMo.createDisk(volumeDatastorePath, (int) (cmd.getDiskCharacteristics().getSize() / (1024L * 1024L)), morDatastore, -1);
VmwareHelper.deleteVolumeVmdkFiles(dsMo, vmdkName, dcMo);
vmMo.createDisk(volumeDatastorePath, (int) (dskch.getSize() / (1024L * 1024L)), morDatastore, -1);
vmMo.detachDisk(volumeDatastorePath, false);
}
VolumeTO vol = new VolumeTO(cmd.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), cmd.getDiskCharacteristics().getName(), pool.getPath(), cmd
.getDiskCharacteristics().getName(), cmd.getDiskCharacteristics().getSize(), null);
VolumeTO vol = new VolumeTO(cmd.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), dskch.getName(), pool.getPath(), vmdkName, dskch.getSize(), null);
return new CreateAnswer(cmd, vol);
} finally {
vmMo.detachAllDisks();
@ -3753,41 +3754,40 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
throw new Exception(msg);
}
String name = cmd.getDiskCharacteristics().getName();
if(dsMo.folderExists(String.format("[%s]", dsMo.getName()), name))
dsMo.deleteFile(String.format("[%s] %s/", dsMo.getName(), name), dcMo.getMor(), false);
if(dsMo.folderExists(String.format("[%s]", dsMo.getName()), vmdkName))
dsMo.deleteFile(String.format("[%s] %s/", dsMo.getName(), vmdkName), dcMo.getMor(), false);
s_logger.info("create linked clone from template");
if (!vmTemplate.createLinkedClone(name, morBaseSnapshot, dcMo.getVmFolder(), morPool, morDatastore)) {
if (!vmTemplate.createLinkedClone(vmdkName, morBaseSnapshot, dcMo.getVmFolder(), morPool, morDatastore)) {
String msg = "Unable to clone from the template";
s_logger.error(msg);
throw new Exception(msg);
}
VirtualMachineMO vmMo = new ClusterMO(context, morCluster).findVmOnHyperHost(name);
VirtualMachineMO vmMo = new ClusterMO(context, morCluster).findVmOnHyperHost(vmdkName);
assert (vmMo != null);
// we can't rely on un-offical API (VirtualMachineMO.moveAllVmDiskFiles() any more, use hard-coded disk names that we know
// to move files
s_logger.info("Move volume out of volume-wrapper VM ");
dsMo.moveDatastoreFile(String.format("[%s] %s/%s.vmdk", dsMo.getName(), name, name),
dcMo.getMor(), dsMo.getMor(),
String.format("[%s] %s.vmdk", dsMo.getName(), name), dcMo.getMor(), true);
dsMo.moveDatastoreFile(String.format("[%s] %s/%s.vmdk", dsMo.getName(), vmdkName, vmdkName),
dcMo.getMor(), dsMo.getMor(),
String.format("[%s] %s.vmdk", dsMo.getName(), vmdkName), dcMo.getMor(), true);
dsMo.moveDatastoreFile(String.format("[%s] %s/%s-delta.vmdk", dsMo.getName(), name, name),
dsMo.moveDatastoreFile(String.format("[%s] %s/%s-delta.vmdk", dsMo.getName(), vmdkName, vmdkName),
dcMo.getMor(), dsMo.getMor(),
String.format("[%s] %s-delta.vmdk", dsMo.getName(), name), dcMo.getMor(), true);
s_logger.info("detach disks from volume-wrapper VM " + name);
s_logger.info("detach disks from volume-wrapper VM " + vmdkName);
vmMo.detachAllDisks();
s_logger.info("destroy volume-wrapper VM " + name);
s_logger.info("destroy volume-wrapper VM " + vmdkName);
vmMo.destroy();
String srcFile = String.format("[%s] %s/", dsMo.getName(), name);
String srcFile = String.format("[%s] %s/", dsMo.getName(), vmdkName);
dsMo.deleteFile(srcFile, dcMo.getMor(), true);
VolumeTO vol = new VolumeTO(cmd.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), name, pool.getPath(), name, cmd.getDiskCharacteristics().getSize(), null);
VolumeTO vol = new VolumeTO(cmd.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), dskch.getName(), pool.getPath(), name, cmd.getDiskCharacteristics().getSize(), null);
return new CreateAnswer(cmd, vol);
}
} else {
@ -3806,12 +3806,11 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
// s_logger.info("Delete file if exists in datastore to clear the way for creating the volume. file: " + volumeDatastorePath);
VmwareHelper.deleteVolumeVmdkFiles(dsMo, volumeUuid.toString(), dcMo);
vmMo.createDisk(volumeDatastorePath, (int) (cmd.getDiskCharacteristics().getSize() / (1024L * 1024L)), morDatastore, vmMo.getScsiDeviceControllerKey());
vmMo.createDisk(volumeDatastorePath, (int) (dskch.getSize() / (1024L * 1024L)), morDatastore, vmMo.getScsiDeviceControllerKey());
vmMo.detachDisk(volumeDatastorePath, false);
}
VolumeTO vol = new VolumeTO(cmd.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), cmd.getDiskCharacteristics().getName(), pool.getPath(), volumeUuid, cmd
.getDiskCharacteristics().getSize(), null);
VolumeTO vol = new VolumeTO(cmd.getVolumeId(), dskch.getType(), pool.getType(), pool.getUuid(), dskch.getName(), pool.getPath(), volumeUuid, dskch.getSize(), null);
return new CreateAnswer(cmd, vol);
} finally {
s_logger.info("Destroy dummy VM after volume creation");

18
server/src/com/cloud/storage/StorageManagerImpl.java
View File

@ -3404,12 +3404,6 @@ public class StorageManagerImpl implements StorageManager, Manager, ClusterManag
@DB
protected VolumeVO switchVolume(VolumeVO existingVolume, VirtualMachineProfile<? extends VirtualMachine> vm) throws StorageUnavailableException {
Transaction txn = Transaction.currentTxn();
txn.start();
try {
stateTransitTo(existingVolume, Volume.Event.DestroyRequested);
} catch (NoTransitionException e) {
s_logger.debug("Unable to destroy existing volume: " + e.toString());
}
Long templateIdToUse = null;
Long volTemplateId = existingVolume.getTemplateId();
@ -3420,7 +3414,19 @@ public class StorageManagerImpl implements StorageManager, Manager, ClusterManag
}
templateIdToUse = vmTemplateId;
}
txn.start();
VolumeVO newVolume = allocateDuplicateVolume(existingVolume, templateIdToUse);
// In case of Vmware if vm reference is not removed then during root disk cleanup
// the vm also gets deleted, so remove the reference
if (vm.getHypervisorType() == HypervisorType.VMware) {
_volsDao.detachVolume(existingVolume.getId());
}
try {
stateTransitTo(existingVolume, Volume.Event.DestroyRequested);
} catch (NoTransitionException e) {
s_logger.debug("Unable to destroy existing volume: " + e.toString());
}
txn.commit();
return newVolume;