Add list_opts() function and define entry point

This patch makes it possible to use oslo-config-generator, which was not
possible without the correct oslo.config entry point.

Change-Id: I5174fb7a8e10b2f8a833bca5c54b4d05b0e91ad0

ovn_bgp_agent/config.py

@@ -140,3 +140,10 @@ def get_root_helper(conf):
 
 def setup_privsep():
     priv_context.init(root_helper=shlex.split(get_root_helper(cfg.CONF)))
+
+
+def list_opts():
+    return [
+        ("DEFAULT", agent_opts),
+        ("AGENT", root_helper_opts)
+    ]

setup.cfg

@@ -37,3 +37,6 @@ console_scripts =
 ovn_bgp_agent.drivers =
     ovn_bgp_driver = ovn_bgp_agent.drivers.openstack.ovn_bgp_driver:OVNBGPDriver
     ovn_evpn_driver = ovn_bgp_agent.drivers.openstack.ovn_evpn_driver:OVNEVPNDriver
+
+oslo.config.opts =
+    ovnbgpagent = ovn_bgp_agent.config:list_opts