def test_bridge_brif(self):
"""Test reading of bridge interfaces.
"""
res = netdev.bridge_brif('foo')
os.listdir.assert_called_with('/sys/class/net/foo/brif')
self.assertEqual(res, ['a', 'b', 'c'])
def initialize(self, service_dir):
super(NetworkResourceService, self).initialize(service_dir)
# The <svcroot>/vips directory is used to allocate/de-allocate
# container vips.
vips_dir = os.path.join(service_dir, self._VIPS_DIR)
# Initialize vips
self._vips = vipfile.VipMgr(vips_dir, self._service_rsrc_dir)
# Clear all environment assignments here. They will be re-assigned
# below.
for containers_set in set(_SET_BY_ENVIRONMENT.values()):
iptables.create_set(containers_set,
set_type='hash:ip',
family='inet',
hashsize=1024,
maxelem=65536)
need_init = False
try:
netdev.link_set_up(self._TM_DEV0)
netdev.link_set_up(self._TM_DEV1)
netdev.link_set_up(self._TMBR_DEV)
except subproc.CalledProcessError:
need_init = True
if need_init:
# Reset the bridge
self._bridge_initialize()
# These two are also done here because they are idempotent
# Disable bridge forward delay
netdev.bridge_setfd(self._TMBR_DEV, 0)
# Enable route_localnet so that we can redirect traffic from the
# container to the node's loopback address.
netdev.dev_conf_route_localnet_set(self._TM_DEV0, True)
# Read bridge status
self._bridge_mtu = netdev.dev_mtu(self._TMBR_DEV)
# Read current status
self._devices = {}
for device in netdev.bridge_brif(self._TMBR_DEV):
# Ignore local device that is used pass external traffic into the
# Treadmill container network.
if device == self._TM_DEV1:
continue
dev_info = _device_info(device)
self._devices[dev_info['alias']] = dev_info
# Read the currently assigned vIPs
for (ip, resource) in self._vips.list():
self._devices.setdefault(resource, {})['ip'] = ip
# Mark all the above information as stale
for device in self._devices:
self._devices[device]['stale'] = True
