def delete_network(context, id):
"""Delete a network.
: param context: neutron api request context
: param id: UUID representing the network to delete.
"""
LOG.info("delete_network %s for tenant %s" % (id, context.tenant_id))
with context.session.begin():
net = db_api.network_find(context=context,
limit=None,
sorts=['id'],
marker=None,
page_reverse=False,
id=id,
scope=db_api.ONE)
if not net:
raise n_exc.NetworkNotFound(net_id=id)
if not context.is_admin:
if STRATEGY.is_provider_network(net.id):
raise n_exc.NotAuthorized(net_id=id)
if net.ports:
raise n_exc.NetworkInUse(net_id=id)
net_driver = registry.DRIVER_REGISTRY.get_driver(net["network_plugin"])
net_driver.delete_network(context, id)
for subnet in net["subnets"]:
subnets._delete_subnet(context, subnet)
db_api.network_delete(context, net)
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(sql.distinct(models.Pod.region_name)).
join(models.ResourceRouting, 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
auto_delete_port_names.append(dhcp_port_name)
auto_delete_port_names.append(snat_port_name)
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(
models_v2.Port.id).filter_by(network_id=network_id)
if non_auto_delete_ports.count():
raise exceptions.NetworkInUse(net_id=network_id)
return
t_pod = db_api.get_top_pod(t_ctx)
auto_delete_port_ids = [
e[0] for e in t_ctx.session.query(models.ResourceRouting.bottom_id).
filter_by(pod_id=t_pod['pod_id'], resource_type=t_constants.RT_PORT).
filter(models.ResourceRouting.top_id.in_(auto_delete_port_names))
]
non_auto_delete_ports = context.session.query(
models_v2.Port.id).filter_by(network_id=network_id).filter(
~models_v2.Port.id.in_(auto_delete_port_ids))
if non_auto_delete_ports.count():
raise exceptions.NetworkInUse(net_id=network_id)
def test_convert_exception_to_http_exc_multiple_different_codes(self):
e = exceptions.MultipleExceptions([
exceptions.NetworkInUse(net_id='nid'),
exceptions.PortNotFound(port_id='pid')
])
conv = common.convert_exception_to_http_exc(e, base_v2.FAULT_MAP, None)
self.assertIsInstance(conv, exc.HTTPConflict)
self.assertEqual(
("HTTP 409 NetworkInUse: Unable to complete operation on network "
"nid. There are one or more ports still in use on the network.\n"
"HTTP 404 PortNotFound: Port pid could not be found."),
jsonutils.loads(conv.body)['NeutronError']['message'])
def delete_network(context, id):
"""Delete a network.
: param context: neutron api request context
: param id: UUID representing the network to delete.
"""
LOG.info("delete_network %s for tenant %s" % (id, context.tenant_id))
with context.session.begin():
net = db_api.network_find(context,
None,
None,
None,
False,
id=id,
scope=db_api.ONE)
if not net:
raise n_exc.NetworkNotFound(net_id=id)
if net.ports:
raise n_exc.NetworkInUse(net_id=id)
net_driver = registry.DRIVER_REGISTRY.get_driver(net["network_plugin"])
net_driver.delete_network(context, id)
for subnet in net["subnets"]:
subnets._delete_subnet(context, subnet)
db_api.network_delete(context, net)
def test_ha_network_is_not_deleted_if_network_in_use(self):
self._test_ha_network_is_not_deleted_raise_exception(
n_exc.NetworkInUse(net_id="foo_net_id"))