def _grouppolicy_plugin(self):
     # REVISIT(Magesh): Need initialization method after all
     # plugins are loaded to grab and store plugin.
     grouppolicy_plugin = directory.get_plugin(pconst.GROUP_POLICY)
     if not grouppolicy_plugin:
         LOG.error("No Grouppolicy service plugin found.")
         raise s_exc.ServiceChainDeploymentError()
     return grouppolicy_plugin
 def _grouppolicy_plugin(self):
     # REVISIT(Magesh): Need initialization method after all
     # plugins are loaded to grab and store plugin.
     plugins = manager.NeutronManager.get_service_plugins()
     grouppolicy_plugin = plugins.get(pconst.GROUP_POLICY)
     if not grouppolicy_plugin:
         LOG.error(_("No Grouppolicy service plugin found."))
         raise s_exc.ServiceChainDeploymentError()
     return grouppolicy_plugin