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[Bug 1473110] [NEW] Can't declare service providers both in neutron.conf and in neutron_*aas.conf

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thomas Morin <tmmorin.orange@xxxxxxxxx>
Date: Thu, 09 Jul 2015 15:19:33 -0000
Reply-to: Bug 1473110 <1473110@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Neutron server behavior is to load service providers from neutron.conf
or neutron_*aas.conf but not both. [1]

If we have a case of a service provider that does not belong to any of
neutron_(lbaas|fwaas|vpnaas).conf (e.g. bgpvpn from networking-bgpvpn
project) we would enable it through neutron.conf.  But of course we want
to be able to enable both bgpvpn and other services defined through
neutron_*aas.conf at the same time.

Example error where both neutron.conf and neutron_lbaas.conf are used:

root@devstack-juno-compute02:/etc/neutron# grep service_provider neutron*.conf  |grep -v :#
neutron.conf:[service_providers]
neutron.conf:service_provider=BGPVPN:BaGPipe:networking_bgpvpn.neutron.services.bgpvpn.service_drivers.bagpipe.bagpipe.BaGPipeBGPVPNDriver:default
neutron_lbaas.conf:[service_providers]
neutron_lbaas.conf:service_provider=LOADBALANCER:Haproxy:neutron_lbaas.services.loadbalancer.drivers.haproxy.plugin_driver.HaproxyOnHostPluginDriver:default

2015-07-09 16:56:39.778 INFO neutron.manager [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Loading Plugin: networking_bgpvpn.neutron.services.bgpvpn.plugin.BGPVPNPlugin
2015-07-09 16:56:39.992 WARNING neutron.services.provider_configuration [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Reading service_providers from legacy location in neutron.conf, and ignoring values in neutron_*aas.conf files; this override will be going away soon.
2015-07-09 16:56:39.993 DEBUG neutron.services.provider_configuration [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Service providers = ['BGPVPN:BaGPipe:networking_bgpvpn.neutron.services.bgpvpn.service_drivers.bagpipe.bagpipe.BaGPipeBGPVPNDriver:default'] parse_service_provider_opt /opt/stack/neutron/neutron/services/provider_configuration.py:93
2015-07-09 16:56:39.998 DEBUG neutron.services.service_base [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Loaded 'networking_bgpvpn.neutron.services.bgpvpn.service_drivers.bagpipe.bagpipe.BaGPipeBGPVPNDriver' provider for service BGPVPN load_drivers /opt/stack/neutron/neutron/services/service_base.py:85
2015-07-09 16:56:39.999 INFO networking_bgpvpn.neutron.services.bgpvpn.plugin [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] BGP VPN Service Plugin using Service Driver: bagpipe
2015-07-09 16:56:40.000 DEBUG neutron.manager [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Successfully loaded BGPVPN plugin. Description: Neutron BGP VPN connection Service Plugin _load_service_plugins /opt/stack/neutron/neutron/manager.py:196
2015-07-09 16:56:40.001 INFO neutron.manager [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Loading Plugin: neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPlugin
2015-07-09 16:56:40.536 ERROR neutron.services.service_base [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] No providers specified for 'LOADBALANCER' service, exiting

The solution could consist in extending the harcoded list of
neutron_*.conf files that neutron reads to load service_providers [2],
but this may or may not be the most sensible approach.

[1] https://review.openstack.org/gitweb?p=openstack%2Fneutron.git;a=commitdiff;h=fb3138c8d718be67505f247ca776abf15ba1504a
[2] https://github.com/openstack/neutron/blob/master/neutron/common/repos.py#L80

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1473110

Title:
  Can't declare service providers both in neutron.conf and in
  neutron_*aas.conf

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Neutron server behavior is to load service providers from neutron.conf
  or neutron_*aas.conf but not both. [1]

  If we have a case of a service provider that does not belong to any of
  neutron_(lbaas|fwaas|vpnaas).conf (e.g. bgpvpn from networking-bgpvpn
  project) we would enable it through neutron.conf.  But of course we
  want to be able to enable both bgpvpn and other services defined
  through neutron_*aas.conf at the same time.

  Example error where both neutron.conf and neutron_lbaas.conf are used:

  root@devstack-juno-compute02:/etc/neutron# grep service_provider neutron*.conf  |grep -v :#
  neutron.conf:[service_providers]
  neutron.conf:service_provider=BGPVPN:BaGPipe:networking_bgpvpn.neutron.services.bgpvpn.service_drivers.bagpipe.bagpipe.BaGPipeBGPVPNDriver:default
  neutron_lbaas.conf:[service_providers]
  neutron_lbaas.conf:service_provider=LOADBALANCER:Haproxy:neutron_lbaas.services.loadbalancer.drivers.haproxy.plugin_driver.HaproxyOnHostPluginDriver:default

  2015-07-09 16:56:39.778 INFO neutron.manager [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Loading Plugin: networking_bgpvpn.neutron.services.bgpvpn.plugin.BGPVPNPlugin
  2015-07-09 16:56:39.992 WARNING neutron.services.provider_configuration [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Reading service_providers from legacy location in neutron.conf, and ignoring values in neutron_*aas.conf files; this override will be going away soon.
  2015-07-09 16:56:39.993 DEBUG neutron.services.provider_configuration [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Service providers = ['BGPVPN:BaGPipe:networking_bgpvpn.neutron.services.bgpvpn.service_drivers.bagpipe.bagpipe.BaGPipeBGPVPNDriver:default'] parse_service_provider_opt /opt/stack/neutron/neutron/services/provider_configuration.py:93
  2015-07-09 16:56:39.998 DEBUG neutron.services.service_base [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Loaded 'networking_bgpvpn.neutron.services.bgpvpn.service_drivers.bagpipe.bagpipe.BaGPipeBGPVPNDriver' provider for service BGPVPN load_drivers /opt/stack/neutron/neutron/services/service_base.py:85
  2015-07-09 16:56:39.999 INFO networking_bgpvpn.neutron.services.bgpvpn.plugin [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] BGP VPN Service Plugin using Service Driver: bagpipe
  2015-07-09 16:56:40.000 DEBUG neutron.manager [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Successfully loaded BGPVPN plugin. Description: Neutron BGP VPN connection Service Plugin _load_service_plugins /opt/stack/neutron/neutron/manager.py:196
  2015-07-09 16:56:40.001 INFO neutron.manager [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] Loading Plugin: neutron_lbaas.services.loadbalancer.plugin.LoadBalancerPlugin
  2015-07-09 16:56:40.536 ERROR neutron.services.service_base [req-0d5c679c-d9de-42eb-8aa3-c889869486d4 None None] No providers specified for 'LOADBALANCER' service, exiting

  The solution could consist in extending the harcoded list of
  neutron_*.conf files that neutron reads to load service_providers [2],
  but this may or may not be the most sensible approach.

  [1] https://review.openstack.org/gitweb?p=openstack%2Fneutron.git;a=commitdiff;h=fb3138c8d718be67505f247ca776abf15ba1504a
  [2] https://github.com/openstack/neutron/blob/master/neutron/common/repos.py#L80

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Follow ups

[Bug 1473110] Re: Can't declare service providers both in neutron.conf and in neutron_*aas.conf
From: Thierry Carrez, 2015-09-24