Bug 1100164

+++ This bug was initially created as a clone of Bug #1081011 +++

Description of problem:

I have used foreman to install openstack RDO with VXLAN configuration

L2 agent fails to start ( attached logs and info )

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. install openstack with foreman 
2. check l2 agent status on both neutron networker and compute node
3.

Actual results:

neutron-openvswitch-agent:              dead

Expected results:

neutron-openvswitch-agent:              active

Additional info:

--- Additional comment from Ofer Blaut on 2014-03-26 09:34:56 EDT ---

Was tested with RHEL 6.5

--- Additional comment from lpeer on 2014-03-31 07:57:54 EDT ---

can you please attach config files of your setup

--- Additional comment from Jakub Libosvar on 2014-04-01 10:08:53 EDT ---

Also running with debug=True would be helpful. There is meaningful message prior to checking to see, what the versions are.

--- Additional comment from Terry Wilson on 2014-04-08 11:14:26 EDT ---

This might also be related to the ovs_neutron_plugin.ini/plugin.ini permissions issues.

--- Additional comment from Terry Wilson on 2014-04-14 12:43:23 EDT ---

It looks like the version check for the openvswitch kernel module doesn't work for us because modinfo doesn't have a "version:" field for openvswitch (or for most of the modules I have loaded on my RHEL box). So this code is broken:

470 def get_installed_ovs_klm_version():
471     args = ["modinfo", "openvswitch"]
472     try:
473         cmd = utils.execute(args)
474         for line in cmd.split('\n'):
475             if 'version: ' in line and not 'srcversion' in line:
476                 ver = re.findall("\d+\.\d+", line)
477                 return ver[0]
478     except Exception:
479         LOG.exception(_("Unable to retrieve OVS kernel module version."))

Seeing as this is the only information we have:

[root@localhost ~]# modinfo openvswitch
filename:       /lib/modules/2.6.32-431.11.2.el6.x86_64/kernel/net/openvswitch/openvswitch.ko
license:        GPL
description:    Open vSwitch switching datapath
srcversion:     993363C44DF474BD67B03CC
depends:        vxlan
vermagic:       2.6.32-431.11.2.el6.x86_64 SMP mod_unload modversions

I see no way to fix this in the upstream code at all. We could disable the check downstream or ship the kernel module with an actual "version" field. For reference, on Ubuntu:

terry@ubuntu1310:~$ modinfo openvswitch
filename:       /lib/modules/3.11.0-12-generic/updates/dkms/openvswitch.ko
version:        1.10.2
license:        GPL
description:    Open vSwitch switching datapath
srcversion:     3367192C878D3C0CD7F68D2
depends:        
vermagic:       3.11.0-12-generic SMP mod_unload modversions 


This is again a very real example of why we need upstream gating jobs that run on RHEL.

--- Additional comment from Terry Wilson on 2014-04-17 11:07:50 EDT ---

Fix submitted upstream for review: https://review.openstack.org/#/c/88121/

--- Additional comment from Ofer Blaut on 2014-05-22 03:05:45 EDT ---

Added files as requested