[ovs-discuss] [ovn] API related questions

Ben Pfaff blp at nicira.com
Mon Oct 12 16:20:08 UTC 2015


Please don't drop the mailing list.

On Mon, Oct 12, 2015 at 10:39:21AM -0500, Murali R wrote:
> > > - I don't see dedicated api for modifying logical flows? Do we need to
> > use
> > > ovn-sbctl set Pipeline <field>=<value>.... ?
> >
> > You shouldn't modify logical flows!  ovn-northd populates them.
> 
> My understanding from docs is there would be an api to manage the logical
> flows. Either a NB api or some other means. I see no api in nbctl. 

Can you say where the docs say this or imply it?

> We need to be able to set some "match" and "actions" for customizing
> our flows at logical level which will be translated to actual flows by
> OVN controller.  Is my understanding wrong? What flexibilities do the
> users of OVN get to customize the flows?

ovn-northd produces the logical flows.  They are not for user
modification.

> (Ref: http://openvswitch.org/pipermail/dev/2015-January/050380.html
> "Matching Expression" )

That's a long message, can you be more specific?



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