synchronized (_vms) {
state = _vms.get(vmName);
_vms.put(vmName, State.Stopping);
}
VmwareHypervisorHost srcHyperHost = null;
VmwareHypervisorHost tgtHyperHost = null;
VirtualMachineMO vmMo = null;
ManagedObjectReference morDsAtTarget = null;
ManagedObjectReference morDsAtSource = null;
ManagedObjectReference morDc = null;
ManagedObjectReference morDcOfTargetHost = null;
ManagedObjectReference morTgtHost = new ManagedObjectReference();
VirtualMachineRelocateSpec relocateSpec = new VirtualMachineRelocateSpec();
List<VirtualMachineRelocateSpecDiskLocator> diskLocators = new ArrayList<VirtualMachineRelocateSpecDiskLocator>();
VirtualMachineRelocateSpecDiskLocator diskLocator = null;
boolean isFirstDs = true;
String srcDiskName = "";
String srcDsName = "";
String tgtDsName = "";
String tgtDsNfsHost;
String tgtDsNfsPath;
int tgtDsNfsPort;
VolumeTO volume;
StorageFilerTO filerTo;
Set<String> mountedDatastoresAtSource = new HashSet<String>();
Map<VolumeTO, StorageFilerTO> volToFiler = cmd.getVolumeToFiler();
String tgtHost = cmd.getTargetHost();
String tgtHostMorInfo = tgtHost.split("@")[0];
morTgtHost.setType(tgtHostMorInfo.split(":")[0]);
morTgtHost.setValue(tgtHostMorInfo.split(":")[1]);
try {
srcHyperHost = getHyperHost(getServiceContext());
tgtHyperHost = new HostMO(getServiceContext(), morTgtHost);
morDc = srcHyperHost.getHyperHostDatacenter();
morDcOfTargetHost = tgtHyperHost.getHyperHostDatacenter();
if (!morDc.getValue().equalsIgnoreCase(morDcOfTargetHost.getValue())) {
String msg = "Source host & target host are in different datacentesr";
throw new CloudRuntimeException(msg);
}
VmwareManager mgr = tgtHyperHost.getContext().getStockObject(VmwareManager.CONTEXT_STOCK_NAME);
// find VM through datacenter (VM is not at the target host yet)
vmMo = srcHyperHost.findVmOnPeerHyperHost(vmName);
if (vmMo == null) {
String msg = "VM " + vmName + " does not exist in VMware datacenter " + morDc.getValue();
s_logger.error(msg);
throw new Exception(msg);
}
// Get details of each target datastore & attach to source host.
for (Entry<VolumeTO, StorageFilerTO> entry : volToFiler.entrySet()) {
volume = entry.getKey();
filerTo = entry.getValue();
srcDsName = volume.getPoolUuid().replace("-", "");
tgtDsName = filerTo.getUuid().replace("-", "");
tgtDsNfsHost = filerTo.getHost();
tgtDsNfsPath = filerTo.getPath();
tgtDsNfsPort = filerTo.getPort();
s_logger.debug("Preparing spec for volume : " + volume.getName());
morDsAtTarget = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(tgtHyperHost, filerTo.getUuid());
if (morDsAtTarget == null) {
String msg = "Unable to find the mounted datastore with uuid " + morDsAtTarget + " to execute MigrateWithStorageCommand";
s_logger.error(msg);
throw new Exception(msg);
}
morDsAtSource = HypervisorHostHelper.findDatastoreWithBackwardsCompatibility(srcHyperHost, filerTo.getUuid());
if (morDsAtSource == null) {
morDsAtSource = srcHyperHost.mountDatastore(false, tgtDsNfsHost, tgtDsNfsPort, tgtDsNfsPath, tgtDsName);
if (morDsAtSource == null) {
throw new Exception("Unable to mount datastore " + tgtDsNfsHost + ":/" + tgtDsNfsPath + " on " + _hostName);
}
mountedDatastoresAtSource.add(tgtDsName);
s_logger.debug("Mounted datastore " + tgtDsNfsHost + ":/" + tgtDsNfsPath + " on " + _hostName);
}
if (isFirstDs) {
relocateSpec.setDatastore(morDsAtSource);
isFirstDs = false;
}
srcDiskName = VmwareStorageLayoutHelper.getVmwareDatastorePathFromVmdkFileName(
new DatastoreMO(srcHyperHost.getContext(), morDsAtSource),
vmName,
volume.getPath() + ".vmdk");
diskLocator = new VirtualMachineRelocateSpecDiskLocator();
diskLocator.setDatastore(morDsAtSource);
diskLocator.setDiskId(getVirtualDiskInfo(vmMo, volume.getPath() + ".vmdk"));
diskLocators.add(diskLocator);
}
relocateSpec.getDisk().addAll(diskLocators);
// Prepare network at target before migration
NicTO[] nics = vmTo.getNics();
for (NicTO nic : nics) {
// prepare network on the host
prepareNetworkFromNicInfo(new HostMO(getServiceContext(), morTgtHost), nic, false, vmTo.getType());
}
// Ensure secondary storage mounted on target host
String secStoreUrl = mgr.getSecondaryStorageStoreUrl(Long.parseLong(_dcId));
if(secStoreUrl == null) {
String msg = "secondary storage for dc " + _dcId + " is not ready yet?";
throw new Exception(msg);
}
mgr.prepareSecondaryStorageStore(secStoreUrl);
ManagedObjectReference morSecDs = prepareSecondaryDatastoreOnHost(secStoreUrl);
if (morSecDs == null) {
String msg = "Failed to prepare secondary storage on host, secondary store url: " + secStoreUrl;
throw new Exception(msg);
}
// Change datastore
if (!vmMo.changeDatastore(relocateSpec)) {
throw new Exception("Change datastore operation failed during storage migration");
} else {
s_logger.debug("Successfully migrated storage of VM " + vmName + " to target datastore(s)");
}
// Change host
ManagedObjectReference morPool = tgtHyperHost.getHyperHostOwnerResourcePool();
if (!vmMo.migrate(morPool, tgtHyperHost.getMor())) {
throw new Exception("Change datastore operation failed during storage migration");
} else {
s_logger.debug("Successfully relocated VM " + vmName + " from " + _hostName + " to " + tgtHyperHost.getHyperHostName());
}
state = State.Stopping;
List<VolumeObjectTO> volumeToList = null;
return new MigrateWithStorageAnswer(cmd, volumeToList);