def _create_interfaces(self, ip, nic):
if ip_lib.device_exists(nic['name'],
self.root_helper,
namespace=self.namespace):
ip_lib.IPDevice(nic['name'],
self.root_helper,
self.namespace).link.delete()
root_dev, ns_dev = ip.add_veth(self._get_tap_name(nic['uuid']),
nic['name'],
namespace2=self.namespace)
if nic['mac']:
ns_dev.link.set_address(str(nic['mac']))
ns_dev.link.set_up()
root_dev.link.set_up()
if nic['ip']:
ip = nic['ip']
ns_dev.addr.flush()
ns_dev.addr.add(ip.version, str(ip), str(ip.broadcast))
else:
#TODO(ethuleau): start DHCP client
raise NotImplementedError
# disable reverse path filtering
self.ip_ns.netns.execute(['sysctl', '-w',
'net.ipv4.conf.%s.rp_filter=2' % nic['name']]
)
def plug(self, network_id, port_id, device_name, mac_address,
bridge=None, namespace=None, prefix=None, mtu=None):
if not ip_lib.device_exists(device_name,
namespace=namespace):
try:
self.plug_new(network_id, port_id, device_name, mac_address,
bridge, namespace, prefix, mtu)
except TypeError:
versionutils.report_deprecated_feature(
LOG,
_LW('Interface driver does not support MTU parameter. '
'This may not work in future releases.'))
self.plug_new(network_id, port_id, device_name, mac_address,
bridge, namespace, prefix)
else:
LOG.info(_LI("Device %s already exists"), device_name)
def check_bridge_exists(self, bridge):
if not ip_lib.device_exists(bridge):
raise common.BridgeDoesNotExist(bridge=bridge)