def unplug_vhostuser(self, instance, vif):
ovs_plug = vif['details'].get(
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG, False)
if ovs_plug:
port_name = os.path.basename(
vif['details'][network_model.VIF_DETAILS_VHOSTUSER_SOCKET])
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif), port_name)
def unplug_ovs_hybrid(self, instance, vif):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
try:
br_name = self.get_br_name(vif['id'])
v1_name, v2_name = self.get_veth_pair_names(vif['id'])
if linux_net.device_exists(br_name):
utils.execute('brctl',
'delif',
br_name,
v1_name,
run_as_root=True)
utils.execute('ip',
'link',
'set',
br_name,
'down',
run_as_root=True)
utils.execute('brctl', 'delbr', br_name, run_as_root=True)
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif), v2_name)
except processutils.ProcessExecutionError:
LOG.exception(_LE("Failed while unplugging vif"),
instance=instance)
def unplug_vhostuser(self, instance, vif):
ovs_plug = vif['details'].get(
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG,
False)
if ovs_plug:
port_name = os.path.basename(
vif['details'][network_model.VIF_DETAILS_VHOSTUSER_SOCKET])
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
port_name)
def unplug_ovs_hybrid(self, instance, vif):
"""UnPlug using hybrid strategy
Unhook port from OVS, unhook port from bridge, delete
bridge, and delete both veth devices.
"""
try:
br_name = self.get_br_name(vif['id'])
v1_name, v2_name = self.get_veth_pair_names(vif['id'])
if linux_net.device_exists(br_name):
utils.execute('brctl', 'delif', br_name, v1_name,
run_as_root=True)
utils.execute('ip', 'link', 'set', br_name, 'down',
run_as_root=True)
utils.execute('brctl', 'delbr', br_name,
run_as_root=True)
linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
v2_name)
except processutils.ProcessExecutionError:
LOG.exception(_LE("Failed while unplugging vif"),
instance=instance)
