__init__.py 文件源码

def add_bridge(name, datapath_type=None):
    ''' Add the named bridge to openvswitch '''
    log('Creating bridge {}'.format(name))
    cmd = ["ovs-vsctl", "--", "--may-exist", "add-br", name]
    if datapath_type is not None:
        cmd += ['--', 'set', 'bridge', name,
                'datapath_type={}'.format(datapath_type)]
    subprocess.check_call(cmd)