def on_delete_request(self, rsrc_id):
app_unique_name = rsrc_id
with lc.LogContext(_LOGGER, rsrc_id):
veth, _ = _device_from_rsrc_id(app_unique_name)
try:
netdev.dev_state(veth)
netdev.link_del_veth(veth)
except (OSError, IOError) as err:
if err.errno != errno.ENOENT:
raise
# Remove it from our state (if present)
dev_info = self._devices.pop(app_unique_name, None)
if dev_info is not None and 'ip' in dev_info:
# Remove the environment mark on the IP
if 'environment' in dev_info:
_delete_mark_rule(
dev_info['ip'],
dev_info['environment']
)
# VIPs deallocation (the owner is the resource link)
self._vips.free(app_unique_name, dev_info['ip'])
return True
def test_link_del_veth(self):
"""Test veth deletion.
"""
netdev.link_del_veth('foo')
treadmill.subproc.check_call.assert_called_with(
[
'ip', 'link',
'delete',
'dev', 'foo',
'type', 'veth',
],
)
def _bridge_initialize(self):
"""Reset/initialize the Treadmill node bridge.
"""
try:
# FIXME(boysson): This is for migration when TM_DEV0 used to be a
# bridge.
netdev.link_set_down(self._TM_DEV0)
netdev.bridge_delete(self._TM_DEV0)
except subproc.CalledProcessError:
pass
try:
netdev.link_set_down(self._TM_DEV0)
netdev.link_del_veth(self._TM_DEV0)
except subproc.CalledProcessError:
pass
try:
netdev.link_set_down(self._TMBR_DEV)
netdev.bridge_delete(self._TMBR_DEV)
except subproc.CalledProcessError:
pass
netdev.bridge_create(self._TMBR_DEV)
netdev.bridge_setfd(self._TMBR_DEV, 0)
netdev.link_add_veth(self._TM_DEV0, self._TM_DEV1)
netdev.link_set_mtu(self._TM_DEV0, self.ext_mtu)
netdev.link_set_mtu(self._TM_DEV1, self.ext_mtu)
netdev.bridge_addif(self._TMBR_DEV, self._TM_DEV1)
# Force the bridge MAC address to the Treadmill device. This
# prevents the bridge's MAC from changing when adding/removing
# container interfaces.
# (Default Linux bridge behavior is to set the bridge's MAC to be
# lowest of it's ports).
tm_mac = netdev.dev_mac(self._TM_DEV1)
netdev.link_set_addr(self._TMBR_DEV, tm_mac)
# Bring up the bridge interface
netdev.link_set_up(self._TMBR_DEV)
netdev.link_set_up(self._TM_DEV1)
netdev.addr_add(
addr='{ip}/16'.format(ip=self._TM_IP),
devname=self._TM_DEV0
)
# 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)
# Bring up the TM interface
netdev.link_set_up(self._TM_DEV0)