def _delete_namespace_network_resources(self, subnet_id, net_id):
os_net = clients.get_network_client()
if subnet_id:
router_id = oslo_cfg.CONF.namespace_subnet.pod_router
try:
clients.handle_neutron_errors(
os_net.remove_interface_from_router, router_id,
subnet_id=subnet_id)
except os_exc.NotFoundException as e:
# Nothing to worry about, either router or subnet is no more,
# or subnet is already detached.
LOG.debug(e.message)
pass
except os_exc.SDKException:
LOG.exception("Error deleting subnet %(subnet)s from router "
"%(router)s.",
{'subnet': subnet_id, 'router': router_id})
raise
try:
os_net.delete_network(net_id)
except os_exc.ConflictException:
LOG.warning("One or more ports in use on the network %s. "
"Deleting leftovers ports before retrying", net_id)
# NOTE(dulek): '' is there because Neutron seems to unset
# device_owner on detach.
leftover_ports = [p for p in os_net.ports(network_id=net_id)
if p.device_owner in
['', 'trunk:subport', kl_const.DEVICE_OWNER]]
c_utils.delete_ports(leftover_ports)
raise exceptions.ResourceNotReady(net_id)
except os_exc.SDKException:
LOG.exception("Error deleting network %s.", net_id)
raise
def _delete_namespace_network_resources(self, subnet_id, net_id):
os_net = clients.get_network_client()
if subnet_id:
router_id = oslo_cfg.CONF.namespace_subnet.pod_router
try:
clients.handle_neutron_errors(
os_net.remove_interface_from_router, router_id,
subnet_id=subnet_id)
except os_exc.NotFoundException as e:
# Nothing to worry about, either router or subnet is no more,
# or subnet is already detached.
LOG.debug(e.message)
pass
except os_exc.SDKException:
LOG.exception("Error deleting subnet %(subnet)s from router "
"%(router)s.",
{'subnet': subnet_id, 'router': router_id})
raise
try:
os_net.delete_network(net_id)
except os_exc.ConflictException:
LOG.exception("One or more ports in use on the network %s. "
"Deleting leftovers ports before retrying", net_id)
leftover_ports = os_net.ports(status='DOWN', network_id=net_id)
for leftover_port in leftover_ports:
try:
# NOTE(gryf): there is unlikely, that we get an exception
# like PortNotFound or something, since openstacksdk
# doesn't raise an exception if port doesn't exists nor
# return any information.
os_net.delete_port(leftover_port.id)
except os_exc.SDKException as e:
if "currently a subport for trunk" in str(e):
LOG.warning("Port %s is in DOWN status but still "
"associated to a trunk. This should not "
"happen. Trying to delete it from the "
"trunk.", leftover_port.id)
# Get the trunk_id from the error message
trunk_id = (
str(e).split('trunk')[1].split('.')[0].strip())
try:
os_net.delete_trunk_subports(
trunk_id, [{'port_id': leftover_port.id}])
except os_exc.NotFoundException:
LOG.debug("Port %s already removed from trunk %s",
leftover_port['id'], trunk_id)
else:
LOG.exception("Unexpected error deleting leftover "
"port %s. Skiping it and continue with "
"the other rest.", leftover_port.id)
raise exceptions.ResourceNotReady(net_id)
except os_exc.SDKException:
LOG.exception("Error deleting network %s.", net_id)
raise
def rollback_network_resources(self, net_crd_spec, namespace):
os_net = clients.get_network_client()
try:
try:
clients.handle_neutron_errors(
os_net.remove_interface_from_router,
net_crd_spec['routerId'],
subnet_id=net_crd_spec['subnetId'])
except os_exc.NotFoundException:
# Nothing to worry about, either router or subnet is no more,
# or subnet is already detached.
pass
os_net.delete_network(net_crd_spec['netId'])
except os_exc.SDKException:
LOG.exception("Failed to clean up network resources associated to "
"%(net_id)s, created for the namespace: "
"%(namespace)s." % {'net_id': net_crd_spec['netId'],
'namespace': namespace})
def create_namespace_network(self, namespace, project_id):
os_net = clients.get_network_client()
router_id = oslo_cfg.CONF.namespace_subnet.pod_router
subnet_pool_id = oslo_cfg.CONF.namespace_subnet.pod_subnet_pool
# create network with namespace as name
network_name = "ns/" + namespace + "-net"
subnet_name = "ns/" + namespace + "-subnet"
try:
neutron_net = os_net.create_network(name=network_name,
project_id=project_id)
c_utils.tag_neutron_resources([neutron_net])
# create a subnet within that network
try:
neutron_subnet = (os_net
.create_subnet(network_id=neutron_net.id,
ip_version=4,
name=subnet_name,
enable_dhcp=False,
subnetpool_id=subnet_pool_id,
project_id=project_id))
except os_exc.ConflictException:
LOG.debug("Max number of retries on neutron side achieved, "
"raising ResourceNotReady to retry subnet creation "
"for %s", subnet_name)
raise exceptions.ResourceNotReady(subnet_name)
c_utils.tag_neutron_resources([neutron_subnet])
# connect the subnet to the router
clients.handle_neutron_errors(os_net.add_interface_to_router,
router_id,
subnet_id=neutron_subnet.id)
except os_exc.SDKException:
LOG.exception("Error creating neutron resources for the namespace "
"%s", namespace)
raise
return {'netId': neutron_net.id,
'routerId': router_id,
'subnetId': neutron_subnet.id,
'subnetCIDR': neutron_subnet.cidr}