[ovs-dev] [PATCH 1/3] rhel: Use same rundir for ovs and ovn.

Russell Bryant rbryant at redhat.com
Thu Aug 27 21:16:19 UTC 2015

On 08/27/2015 04:26 PM, Flavio Leitner wrote:
> On Thu, Aug 27, 2015 at 03:49:13PM -0400, Russell Bryant wrote:
>> On 08/27/2015 03:26 PM, Flavio Leitner wrote:
>>> On Wed, Aug 26, 2015 at 05:46:53PM -0400, Russell Bryant wrote:
>>>> The previous systemd units for OVN had systemd create a rundir for
>>>> each daemon (ovn-northd and ovn-controller).  This "worked", in that
>>>> the services did start successfully.  However, they didn't actually
>>>> work.  In practice, both services make use of files in the main ovs
>>>> rundir, so just run everything from there.  It keeps things simple and
>>>> makes the services actually work.
>>> The above sounds like a bug somewhere else.
>>> Why are they not using the correct OVS_RUNDIR?
>>> The good thing about having different directories for each service
>>> is that we can have more specific selinux rules and permissions.
>> OK, I wasn't sure about the benefits of keeping them separate.
>> I *think* ovn-controller is the only one where I hit a problem I
>> couldn't work around without a patch.  Making them all use the same
>> rundir (this patch) was one option.  There are others, though.
>> In ovn/controller/ofctrl.c, ofctrl_run(), we have:
>>>   target = xasprintf("unix:%s/%s.mgmt", ovs_rundir(), br_int->name);
>> ovs_rundir() gives the dir for ovn-controller, where we actually need
>> the rundir for ovs-vswitchd here.
> I see, so they actually share the same directory, in that case your 
> patch looks ok.

OK, thanks!  Should I take that as an ACK?

Russell Bryant

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