vstf/vstf/agent/env/vswitch_plugins/bridge_plugin.py

   1 """
   2 Created on 2015-10-12
   3
   4 @author: y00228926
   5 """
   6 from vstf.agent.env.vswitch_plugins import model
   7 from vstf.common.utils import check_call, get_eth_by_bdf, check_output
   8
   9
  10 class BridgePlugin(model.VswitchPlugin):
  11     def __init__(self):
  12         pass
  13
  14     def clean(self):
  15         """clean brs created before.
  16
  17         """
  18         out = check_output(r"brctl show | grep -v '^\s' | awk '{print $1}'|sed '1,1d'", shell=True)
  19         print out
  20         for br in out.split():
  21             if br != 'br0':
  22                 self._del_br(br)
  23
  24         return True
  25
  26     def init(self):
  27         pass
  28
  29     def _del_br(self, name):
  30         check_call('ip link set dev %s down' % name, shell=True)
  31         check_call('brctl delbr %s' % name, shell=True)
  32
  33     def create_br(self, br_cfg):
  34         """Create a bridge(virtual switch). Return True for success, return False for failure.
  35
  36         :param dict    br_cfg: configuration for bridge creation like
  37                 {
  38                     "name": "br1",
  39                     "uplinks": [
  40                         {
  41                             "bdf": "04:00.0",
  42                         },
  43                         {
  44                             "bdf": "04:00.1",
  45                         }
  46                     ]
  47                 }
  48
  49         """
  50         name, uplinks = br_cfg['name'], br_cfg['uplinks']
  51         check_call("brctl addbr %s" % name, shell=True)
  52         for uplink in uplinks:
  53             device = get_eth_by_bdf(uplink['bdf'])
  54             check_call("ip link set dev %s up" % device, shell=True)
  55             check_call("brctl addif %s %s" % (name, device), shell=True)
  56         check_call("ip link set dev %s up" % name, shell=True)
  57         return True
  58
  59     def set_tap_vid(self, tap_cfg):
  60         """linux bridge doesn't support vlan id setting.
  61         """
  62         return True
  63
  64     def set_fastlink(self, br_cfg):
  65         """linux bridge doesn't support openflow protocol.
  66         """
  67         return True