lib/ovs/bridge: Return multiple controllers
OVSBridge may have more than one controller. Let get_controller()
return a list of controllers in such cases.
NOTE: this introduces incompatibility if multiple controllers are
configured for a bridge.
@@ -171,7 +171,8 @@ class OVSBridge(object):
"""
command = ovs_vsctl.VSCtlCommand('get-controller', [self.br_name])
self.run_command([command])
- return command.result[0]
+ result = command.result
+ return result[0] if len(result) == 1 else result
def set_controller(self, controllers):
"""
