@Override
public Flow marshalVmOperationFlow(
String previousFlowName, String nextFlowName, FlowChain chain, VmInstanceSpec spec) {
if (VmAllocatePrimaryStorageFlow.class.getName().equals(nextFlowName)) {
if (spec.getCurrentVmOperation() == VmOperation.NewCreate) {
if (getLocalStorageInCluster(spec.getDestHost().getClusterUuid()) != null) {
return new LocalStorageAllocateCapacityFlow();
}
}
} else if (spec.getCurrentVmOperation() == VmOperation.AttachVolume) {
VolumeInventory volume = spec.getDestDataVolumes().get(0);
if (VolumeStatus.NotInstantiated.toString().equals(volume.getStatus())
&& VmAllocatePrimaryStorageForAttachingDiskFlow.class.getName().equals(nextFlowName)) {
if (isRootVolumeOnLocalStorage(spec.getVmInventory().getRootVolumeUuid())) {
return new LocalStorageAllocateCapacityForAttachingVolumeFlow();
}
}
} else if (spec.getCurrentVmOperation() == VmOperation.Migrate
&& isRootVolumeOnLocalStorage(spec.getVmInventory().getRootVolumeUuid())
&& VmMigrateOnHypervisorFlow.class.getName().equals(nextFlowName)) {
if (KVMConstant.KVM_HYPERVISOR_TYPE.equals(spec.getVmInventory().getHypervisorType())) {
return new LocalStorageKvmMigrateVmFlow();
} else {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"local storage doesn't support live migration for hypervisor[%s]",
spec.getVmInventory().getHypervisorType())));
}
}
return null;
}
private void releaseNetworkServices(
final VmInstanceSpec spec,
NetworkServiceExtensionPosition position,
final NoErrorCompletion completion) {
if (!spec.getVmInventory().getType().equals(VmInstanceConstant.USER_VM_TYPE)) {
completion.done();
return;
}
if (nsExts.isEmpty()) {
completion.done();
return;
}
// we run into this situation when VM nics are all detached and the
// VM is being rebooted
if (spec.getDestNics().isEmpty()) {
completion.done();
return;
}
List<String> nsTypes = spec.getRequiredNetworkServiceTypes();
FlowChain schain =
FlowChainBuilder.newSimpleFlowChain()
.setName(
String.format(
"release-network-services-from-vm-%s", spec.getVmInventory().getUuid()));
schain.allowEmptyFlow();
for (final NetworkServiceExtensionPoint ns : nsExts) {
if (position != null && ns.getNetworkServiceExtensionPosition() != position) {
continue;
}
if (!nsTypes.contains(ns.getNetworkServiceType().toString())) {
continue;
}
NoRollbackFlow flow =
new NoRollbackFlow() {
String __name__ =
String.format("release-network-service-%s", ns.getNetworkServiceType());
@Override
public void run(final FlowTrigger chain, Map data) {
logger.debug(
String.format(
"NetworkServiceExtensionPoint[%s] is asking back ends to release network service[%s] if needed",
ns.getClass().getName(), ns.getNetworkServiceType()));
ns.releaseNetworkService(
spec,
data,
new NoErrorCompletion() {
@Override
public void done() {
chain.next();
}
});
}
};
schain.then(flow);
}
schain
.done(
new FlowDoneHandler(completion) {
@Override
public void handle(Map data) {
logger.debug(
String.format(
"successfully released network services for vm[uuid:%s, name:%s]",
spec.getVmInventory().getUuid(), spec.getVmInventory().getName()));
completion.done();
}
})
.start();
}