def delete_bridge(bridge, dev):
if device_exists(bridge):
if interface_in_bridge(bridge, dev):
processutils.execute('brctl', 'delif', bridge, dev)
ip_lib.set(bridge, state='down')
processutils.execute('brctl', 'delbr', bridge)
def create_veth_pair(dev1_name, dev2_name, mtu):
"""Create a pair of veth devices with the specified names,
deleting any previous devices with those names.
"""
for dev in [dev1_name, dev2_name]:
_delete_net_dev(dev)
ip_lib.add(dev1_name, 'veth', peer=dev2_name)
for dev in [dev1_name, dev2_name]:
ip_lib.set(dev, state='up')
ip_lib.set(dev, promisc='on')
_update_device_mtu(dev, mtu)
def set_interface_state(interface_name, port_state):
ip_lib.set(interface_name, state=port_state, check_exit_code=[0, 2, 254])
def _set_device_mtu(dev, mtu):
"""Set the device MTU."""
ip_lib.set(dev, mtu=mtu, check_exit_code=[0, 2, 254])
def _ip_cmd_set(*args, **kwargs):
ip_lib.set(*args, **kwargs)
