def askForAggregateResources(vtPlugin, projectUUID='None', sliceUUID='None'):
"asks the VT AM for all the resources under it."
serversInAggregate = []
try:
client = xmlrpclib.Server('https://' + vtPlugin.client.username + ':' +
vtPlugin.client.password + '@' +
vtPlugin.client.url[8:])
except Exception as e:
print "Can't connect to server"
print e
return
try:
rHashObject = resourcesHash.objects.get(vtamID=vtPlugin.id,
projectUUID=projectUUID,
sliceUUID=sliceUUID)
except:
rHashObject = resourcesHash(hashValue='0',
vtamID=vtPlugin.id,
projectUUID=projectUUID,
sliceUUID=sliceUUID)
rHashObject.save()
try:
remoteHashValue, resourcesString = client.listResources(
rHashObject.hashValue, projectUUID, sliceUUID)
print remoteHashValue
except Exception as e:
print "Can't retrieve resources"
print e
return
if remoteHashValue == rHashObject.hashValue:
print "Same HASH, no changes in resources"
return
else:
print remoteHashValue
oldHashValue = rHashObject.hashValue
rHashObject.hashValue = remoteHashValue
rHashObject.save()
try:
xmlClass = XmlHelper.parseXmlString(resourcesString)
except Exception as e:
print "Can't parse rspec"
print e
return
try:
for server in xmlClass.response.information.resources.server:
vmsInAggregate = []
for vm in server.virtual_machine:
#Translate and register VM present in the AM
VMmodel = Translator.VMtoModel(vm,
vtPlugin.id,
save="save")
Translator.PopulateNewVMifaces(vm, VMmodel)
vmsInAggregate.append(VMmodel.uuid)
#Translate The whole server with the vms updated. There may be still VMs in the models
#which are not in the AM
serverModel = Translator.ServerClassToModel(
server, vtPlugin.id)
# Delete VMs in the model that are not in the linked to the server in the AM
for vmuuid in serverModel.vms.filter(
sliceId=sliceUUID,
projectId=projectUUID).values_list('uuid', flat=True):
if vmuuid not in vmsInAggregate:
vmToDelete = VM.objects.get(uuid=vmuuid)
serverModel.vms.remove(vmToDelete)
vmToDelete.completeDelete()
serversInAggregate.append(server.uuid)
#Update VMs in the server model
serverModel.setVMs()
serversInExpedient = VTServer.objects.filter(
aggregate=vtPlugin.id).values_list('uuid', flat=True)
#Delete servers in Expedient that are not any more in the AM. VMs in that server included
for s in serversInExpedient:
if s not in serversInAggregate:
delServer = VTServer.objects.get(uuid=s)
delServer.completeDelete()
return xmlClass
except Exception as e:
print e
rHashObject.hashValue = oldHashValue
rHashObject.save()
def askForAggregateResources(vtPlugin, projectUUID = 'None', sliceUUID = 'None'):
"asks the VT AM for all the resources under it."
serversInAggregate = []
try:
client = xmlrpclib.Server('https://'+vtPlugin.client.username+':'+vtPlugin.client.password+'@'+vtPlugin.client.url[8:])
except Exception as e:
print "Can't connect to server: %s" % str(e)
return
try:
rHashObject = resourcesHash.objects.get(vtamID = vtPlugin.id, projectUUID = projectUUID, sliceUUID = sliceUUID)
except:
rHashObject = resourcesHash(hashValue = '0', vtamID = vtPlugin.id, projectUUID= projectUUID, sliceUUID = sliceUUID)
rHashObject.save()
try:
remoteHashValue ,resourcesString = client.listResources(rHashObject.hashValue, projectUUID, sliceUUID)
print remoteHashValue
except Exception as e:
print "Can't retrieve resources: %s" % str(e)
return
if remoteHashValue == rHashObject.hashValue:
print "Same HASH, no changes in resources"
return
else:
print remoteHashValue
oldHashValue = rHashObject.hashValue
rHashObject.hashValue = remoteHashValue
rHashObject.save()
try:
xmlClass = XmlHelper.parseXmlString(resourcesString)
except Exception as e:
print "Can't parse rspec: %s" % str(e)
return
try:
for server in xmlClass.response.information.resources.server:
vmsInAggregate = []
for vm in server.virtual_machine:
#Translate and register VM present in the AM
VMmodel = Translator.VMtoModel(vm, vtPlugin.id, save="save")
Translator.PopulateNewVMifaces(vm, VMmodel)
vmsInAggregate.append(VMmodel.uuid)
#Translate The whole server with the vms updated. There may be still VMs in the models
#which are not in the AM
serverModel = Translator.ServerClassToModel(server, vtPlugin.id)
# Delete VMs in the model that are not in the linked to the server in the AM
for vmuuid in serverModel.vms.filter(sliceId=sliceUUID, projectId=projectUUID).values_list('uuid', flat=True):
try:
action_present = False
action_create = Action.objects.get(vm__uuid=vmuuid)
if action_create.type=="create" and action_create.status=="SUCCESS":
action_present = True
except:
print "VM Manager returned a VM which has not provisioning create action associated"
if vmuuid not in vmsInAggregate and action_present:
vmToDelete = VM.objects.get(uuid=vmuuid)
serverModel.vms.remove(vmToDelete)
vmToDelete.completeDelete()
serversInAggregate.append(server.uuid)
#Update VMs in the server model
serverModel.setVMs()
serversInExpedient = VTServer.objects.filter(aggregate=vtPlugin.id).values_list('uuid', flat=True)
#Delete servers in Expedient that are not any more in the AM. VMs in that server included
for s in serversInExpedient:
if s not in serversInAggregate:
delServer = VTServer.objects.get(uuid = s)
delServer.completeDelete()
return xmlClass
except Exception as e:
print e
rHashObject.hashValue = oldHashValue
rHashObject.save()
