def create_vms(self, urn, expiration=None, users=list(), geni_best_effort=True):
#TODO: Manage Exceptions,
vm_params = self.__urn_to_vm_params(urn)
reservations = Reservation.objects.filter(**vm_params)
# Provisioning a VM must be made after an Allocate. Allocate:Provisioning follow 1:1 ratio
if not reservations:
# Be cautious when changing the messages, as handler depends on those
raise Exception("No allocation found")
# Retrieve only the reservations that are provisioned
reservations = Reservation.objects.filter(**vm_params).filter(is_provisioned=False)
if not reservations:
# Be cautious when changing the messages, as handler depends on those
raise Exception("Re-provisioning not possible. Try allocating first")
slivers_to_manifest = list()
for r in reservations:
try:
provisioning_rspec = self.get_action_instance(r)
with self.__mutex_thread:
SyncThread.startMethodAndJoin(ProvisioningDispatcher.processProvisioning,provisioning_rspec,self.__agent_callback_url)
# Update vm_params to get the exact, corresponding VM for each reservation
vm_params.update({"name": r.name})
vms = VirtualMachine.objects.filter(**vm_params)
VTAMDriver.logger.debug("XXX vms.len = " + str(len(vms)))
self.__store_user_keys(users, vms)
# When reservation (allocation) is fulfilled, mark appropriately
r.set_provisioned(True)
r.save()
except Exception as e:
if geni_best_effort:
manifested_resource = self.__convert_to_resources_with_slivers(r.server,vms,expiration)
manifested_resource.set_error_message(str(e))
if type(manifested_resource) == list:
slivers_to_manifest.extend(manifested_resource)
else:
slivers_to_manifest.append(manifested_resource)
continue
else:
raise e
# XXX FIXME Check this to see why N slivers are being returned
manifested_resource = self.__convert_to_resources_with_slivers(r.server,vms,expiration)
if type(manifested_resource) == list:
slivers_to_manifest.extend(manifested_resource)
else:
slivers_to_manifest.append(manifested_resource)
self.__add_expiration(expiration, reservations[0].projectName, reservations[0].sliceName)
return slivers_to_manifest
def CreateSliver(self,vm_params,projectName,sliceName,expiration):
#processes = list()
self.modify_sliver_names(vm_params,projectName, sliceName)
provisioningRSpecs = VMSfaManager.getActionInstance(vm_params,projectName,sliceName)
for provisioningRSpec in provisioningRSpecs:
#waiter,event = Pipe()
#process = SfaCommunicator(provisioningRSpec.action[0].id,event,provisioningRSpec)
#processes.append(process)
#process.start()
with threading.Lock():
SyncThread.startMethodAndJoin(ProvisioningDispatcher.processProvisioning,provisioningRSpec,'SFA.OCF.VTM') #UrlUtils.getOwnCallbackURL())
if expiration:
ExpiringComponents.objects.create(slice=sliceName, authority=projectName, expires=expiration).save()
#waiter.recv()
return 1