blob: 3132df1bc7fd85801a2c90df96ad8ad8fc52c468 [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.
sync_attributes = ("listening_endpoint", )
default_attributes = {}
def __init__(self, *args, **kwargs):
sflow_services = SFlowService.get_service_objects().all()
if sflow_services:
self._meta.get_field("provider_service").default = sflow_services[0].id
super(SFlowTenant, self).__init__(*args, **kwargs)
@property
def creator(self):
from core.models import User
if getattr(self, "cached_creator", None):
return self.cached_creator
creator_id=self.get_attribute("creator_id")
if not creator_id:
return None
users=User.objects.filter(id=creator_id)
if not users:
return None
user=users[0]
self.cached_creator = users[0]
return user
@creator.setter
def creator(self, value):
if value:
value = value.id
if (value != self.get_attribute("creator_id", None)):
self.cached_creator=None
self.set_attribute("creator_id", value)
@property
def listening_endpoint(self):
return self.get_attribute("listening_endpoint", None)
@listening_endpoint.setter
def listening_endpoint(self, value):
if urlparse(value).scheme != 'udp':
raise XOSProgrammingError("SFlowTenant: Only UDP listening endpoint URLs are accepted...valid syntax is: udp://ip:port")
self.set_attribute("listening_endpoint", value)
def save(self, *args, **kwargs):
if not self.creator:
if not getattr(self, "caller", None):
# caller must be set when creating a SFlow tenant since it creates a slice
raise XOSProgrammingError("SFlowTenant's self.caller was not set")
self.creator = self.caller
if not self.creator:
raise XOSProgrammingError("SFlowTenant's self.creator was not set")
if not self.listening_endpoint:
raise XOSProgrammingError("SFlowTenant's self.listening_endpoint was not set")
if self.pk is None:
#Allow only one sflow channel per user and listening_endpoint
channel_count = sum ( [1 for channel in SFlowTenant.get_tenant_objects().all() if ((channel.creator == self.creator) and (channel.listening_endpoint == self.listening_endpoint))] )
if channel_count > 0:
raise XOSValidationError("Already %s sflow channels exist for user Can only create max 1 tenant per user and listening endpoint" % str(channel_count))
super(SFlowTenant, self).save(*args, **kwargs)
def delete(self, *args, **kwargs):
super(MonitoringChannel, self).delete(*args, **kwargs)
@property
def authorized_resource_list(self):
return ['all']
@property
def authorized_resource_list_str(self):
return ", ".join(self.authorized_resource_list)