@Override
public Answer cloneVolumeFromBaseTemplate(CopyCommand cmd) {
DataTO srcData = cmd.getSrcTO();
TemplateObjectTO template = (TemplateObjectTO)srcData;
DataTO destData = cmd.getDestTO();
VolumeObjectTO volume = (VolumeObjectTO)destData;
PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO)volume.getDataStore();
PrimaryDataStoreTO srcStore = (PrimaryDataStoreTO)template.getDataStore();
try {
VmwareContext context = hostService.getServiceContext(null);
VmwareHypervisorHost hyperHost = hostService.getHyperHost(context, null);
DatacenterMO dcMo = new DatacenterMO(context, hyperHost.getHyperHostDatacenter());
VirtualMachineMO vmMo = null;
ManagedObjectReference morDatastore = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(hyperHost, primaryStore.getUuid());
if (morDatastore == null) {
throw new Exception("Unable to find datastore in vSphere");
}
DatastoreMO dsMo = new DatastoreMO(context, morDatastore);
String vmdkName = volume.getName();
if (srcStore == null) {
// create a root volume for blank VM (created from ISO)
String dummyVmName = this.hostService.getWorkerName(context, cmd, 0);
try {
vmMo = HypervisorHostHelper.createWorkerVM(hyperHost, dsMo, dummyVmName);
if (vmMo == null) {
throw new Exception("Unable to create a dummy VM for volume creation");
}
String vmdkFilePair[] = VmwareStorageLayoutHelper.getVmdkFilePairDatastorePath(dsMo, null, vmdkName,
VmwareStorageLayoutType.CLOUDSTACK_LEGACY,
true // we only use the first file in the pair, linked or not will not matter
);
String volumeDatastorePath = vmdkFilePair[0];
synchronized (this) {
s_logger.info("Delete file if exists in datastore to clear the way for creating the volume. file: " + volumeDatastorePath);
VmwareStorageLayoutHelper.deleteVolumeVmdkFiles(dsMo, vmdkName, dcMo);
vmMo.createDisk(volumeDatastorePath, (int) (volume.getSize() / (1024L * 1024L)), morDatastore, -1);
vmMo.detachDisk(volumeDatastorePath, false);
}
VolumeObjectTO newVol = new VolumeObjectTO();
newVol.setPath(vmdkName);
newVol.setSize(volume.getSize());
return new CopyCmdAnswer(newVol);
} finally {
vmMo.detachAllDisks();
s_logger.info("Destroy dummy VM after volume creation");
vmMo.destroy();
}
} else {
String templatePath = template.getPath();
VirtualMachineMO vmTemplate = VmwareHelper.pickOneVmOnRunningHost(dcMo.findVmByNameAndLabel(templatePath), true);
if (vmTemplate == null) {
s_logger.warn("Template host in vSphere is not in connected state, request template reload");
return new CopyCmdAnswer("Template host in vSphere is not in connected state, request template reload");
}
ManagedObjectReference morPool = hyperHost.getHyperHostOwnerResourcePool();
ManagedObjectReference morCluster = hyperHost.getHyperHostCluster();
if (!_fullCloneFlag) {
createVMLinkedClone(vmTemplate, dcMo, dsMo, vmdkName, morDatastore, morPool);
} else {
createVMFullClone(vmTemplate, dcMo, dsMo, vmdkName, morDatastore, morPool);
}
vmMo = new ClusterMO(context, morCluster).findVmOnHyperHost(vmdkName);
assert (vmMo != null);
s_logger.info("detach disks from volume-wrapper VM " + vmdkName);
vmMo.detachAllDisks();
s_logger.info("destroy volume-wrapper VM " + vmdkName);
vmMo.destroy();
String srcFile = dsMo.getDatastorePath(vmdkName, true);
dsMo.deleteFile(srcFile, dcMo.getMor(), true);
VolumeObjectTO newVol = new VolumeObjectTO();
newVol.setPath(vmdkName);
newVol.setSize(volume.getSize());
return new CopyCmdAnswer(newVol);
}
} catch (Throwable e) {
if (e instanceof RemoteException) {
s_logger.warn("Encounter remote exception to vCenter, invalidate VMware session context");