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[Launchpad Bug Tracker <1611632@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1611632

Title:
  [RFE] neutron_dynamic_routing project is bound to rpc driver closely

Status in neutron:
  Expired

Bug description:
  The interface https://github.com/openstack/neutron-dynamic-
  routing/blob/master/neutron_dynamic_routing/services/bgp/bgp_plugin.py
  is bound to rpc driver so closely, it is not suitable to extend the
  BGP driver which is agentless.

  So we need to do following steps:

  1> Refactor the code to support agentless driver
  2> Using service_providers method to load the different driver
  3> Deliver an overall agent driver interface so that some agent driver such as quagga and ryu are easy to be load.

  For this refactor, I added followings in my patch
  https://review.openstack.org/#/c/349921/.

  1> Add a new configuration file named neutron_dynamic_routing.conf to provider the service_providers configuration.
  2> The neutron-bgp-dragent binary will invoke the neutron_dynamic_routing.conf file.
  3> The default service_providers will be DYNAMIC_ROUTING:RPCDriver:neutron_dynamic_routing.services.bgp.service_drivers.rpc_bgp.BgpRpcPluginDriver:default
  4> Now the bgp_plugin.py will be a unified the interface to invoking the dynamic routing, the rpc_bgp.py will be a agent driver and be responsible for interact with lower layer interface such as ryu/quagga.

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