RETIRED, Tricircle is to provide networking automation across Neutron.
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# Copyright 2015 Huawei Technologies Co., Ltd.
# All Rights Reserved
# 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
# 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.
from neutron.db import models_v2
from neutron_lib import exceptions
from sqlalchemy import sql
import tricircle.common.constants as t_constants
import tricircle.common.context as t_context
import tricircle.common.exceptions as t_exceptions
import tricircle.db.api as db_api
from tricircle.db import core
from tricircle.db import models
def check_resource_not_in_deleting(context, dict_para):
t_ctx = t_context.get_context_from_neutron_context(context)
with t_ctx.session.begin():
resource_filters = []
for key in dict_para.keys():
resource_filters.append({'key': key,
'comparator': 'eq',
'value': dict_para[key]})
deleting_resource = core.query_resource(t_ctx,
resource_filters, [])
if len(deleting_resource):
if hasattr(context, "USER_AGENT") and \
context.USER_AGENT == t_constants.LOCAL:
raise t_exceptions.ResourceNotFound(
models.DeletingResources, dict_para['resource_id'])
raise t_exceptions.ResourceIsInDeleting()
def check_network_not_in_use(self, context, t_ctx, network_id):
# use a different name to avoid override _ensure_entwork_not_in_use
subnets = self._get_subnets_by_network(context, network_id)
auto_delete_port_names = []
for subnet in subnets:
subnet_id = subnet['id']
region_names = [e[0] for e in t_ctx.session.query(
models.Pod.pod_id == models.ResourceRouting.pod_id).filter(
models.ResourceRouting.top_id == subnet_id)]
auto_delete_port_names.extend([t_constants.interface_port_name % (
region_name, subnet_id) for region_name in region_names])
dhcp_port_name = t_constants.dhcp_port_name % subnet_id
snat_port_name = t_constants.snat_port_name % subnet_id
if not auto_delete_port_names:
# pre-created port not found, any ports left need to be deleted
# before deleting network
non_auto_delete_ports = context.session.query(
if non_auto_delete_ports.count():
raise exceptions.NetworkInUse(net_id=network_id)
t_pod = db_api.get_top_pod(t_ctx)
auto_delete_port_ids = [e[0] for e in t_ctx.session.query(
pod_id=t_pod['pod_id'], resource_type=t_constants.RT_PORT).filter(
non_auto_delete_ports = context.session.query(
if non_auto_delete_ports.count():
raise exceptions.NetworkInUse(net_id=network_id)