blob: 9bee3eb0158a8e9f4bf5b69f1d3b1c9c6eb935d5 [file] [log] [blame]
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
def __init__(self, *args, **kwargs):
self.cached_target_service = None
self.cached_tenancy_from_target_service = None
self.cached_service_monitoring_agent = None
super(UserServiceMonitoringPublisher, self).__init__(*args, **kwargs)
def can_update(self, user):
#Don't allow creation of this model instances for non-admin users also
return True
@property
def target_service(self):
if getattr(self, "cached_target_service", None):
return self.cached_target_service
target_service_id = self.get_attribute("target_service_id")
if not target_service_id:
return None
services = Service.objects.filter(id=target_service_id)
if not services:
return None
target_service = services[0]
self.cached_target_service = target_service
return target_service
@target_service.setter
def target_service(self, value):
if value:
value = value.id
if (value != self.get_attribute("target_service_id", None)):
self.cached_target_service = None
self.set_attribute("target_service_id", value)
@property
def tenancy_from_target_service(self):
if getattr(self, "cached_tenancy_from_target_service", None):
return self.cached_tenancy_from_target_service
tenancy_from_target_service_id = self.get_attribute("tenancy_from_target_service_id")
if not tenancy_from_target_service_id:
return None
tenancy_from_target_services = ServiceDependency.objects.filter(id=tenancy_from_target_service_id)
if not tenancy_from_target_services:
return None
tenancy_from_target_service = tenancy_from_target_services[0]
self.cached_tenancy_from_target_service = tenancy_from_target_service
return tenancy_from_target_service
@tenancy_from_target_service.setter
def tenancy_from_target_service(self, value):
if value:
value = value.id
if (value != self.get_attribute("tenancy_from_target_service_id", None)):
self.cached_tenancy_from_target_service = None
self.set_attribute("tenancy_from_target_service_id", value)
@property
def service_monitoring_agent(self):
if getattr(self, "cached_service_monitoring_agent", None):
return self.cached_service_monitoring_agent
service_monitoring_agent_id = self.get_attribute("service_monitoring_agent")
if not service_monitoring_agent_id:
return None
service_monitoring_agents = ServiceDependency.objects.filter(id=service_monitoring_agent_id)
if not service_monitoring_agents:
return None
service_monitoring_agent = service_monitoring_agents[0]
self.cached_service_monitoring_agent = service_monitoring_agent
return service_monitoring_agent
@service_monitoring_agent.setter
def service_monitoring_agent(self, value):
if value:
value = value.id
if (value != self.get_attribute("service_monitoring_agent", None)):
self.cached_service_monitoring_agent = None
self.set_attribute("service_monitoring_agent", value)
def save(self, *args, **kwargs):
if not self.creator:
if not getattr(self, "caller", None):
# caller must be set when creating a monitoring channel since it creates a slice
raise XOSProgrammingError("UserServiceMonitoringPublisher's self.caller was not set")
self.creator = self.caller
if not self.creator:
raise XOSProgrammingError("UserServiceMonitoringPublisher's self.creator was not set")
tenancy_from_target_service = None
if self.pk is None:
if self.target_service is None:
raise XOSValidationError("Target service is not specified in UserServiceMonitoringPublisher")
#Allow only one monitoring publisher for a given service
publisher_count = sum ( [1 for publisher in UserServiceMonitoringPublisher.get_tenant_objects().all() if (publisher.target_service.id == self.target_service.id)] )
if publisher_count > 0:
raise XOSValidationError("Already %s publishers exist for service. Can only create max 1 UserServiceMonitoringPublisher instances" % str(publisher_count))
#Create Service composition object here
tenancy_from_target_service = ServiceDependency(provider_service = self.provider_service,
subscriber_service = self.target_service)
tenancy_from_target_service.save()
self.tenancy_from_target_service = tenancy_from_target_service
target_uri = CeilometerService.objects.get(id=self.provider_service.id).ceilometer_rabbit_uri
if target_uri is None:
raise XOSProgrammingError("Unable to get the Target_URI for Monitoring Agent")
service_monitoring_agent = ServiceMonitoringAgentInfo(service = self.target_service,
target_uri = target_uri)
service_monitoring_agent.save()
self.service_monitoring_agent = service_monitoring_agent
try:
super(UserServiceMonitoringPublisher, self).save(*args, **kwargs)
except:
if tenancy_from_target_service:
tenancy_from_target_service.delete()
if service_monitoring_agent:
service_monitoring_agent.delete()
raise