Have we documented this? Should we? On Thu, Nov 07, 2019 at 10:20:22AM -0800, aginwala wrote: > Hi: > > It is a known fact and have-been discussed before. We use the same > workaround as you mentioned. Alternatively, you can also set role="" and it > will work for both northd and ovn-controller instead of separate listeners > which is also a security loop-hole. In short, some work is needed here > to handle rbac for northd. > > On Thu, Nov 7, 2019 at 9:47 AM Frode Nordahl <[email protected]> > wrote: > > > Hello all, > > > > TL;DR; When enabling the `ovn-controller` role on the SB DB `ovsdb-server` > > listener, `ovn-northd` no longer has the necessary access to do its job > > when you are unable to use the local unix socket for its connection to the > > database. > > > > AFAICT there is no northd-specifc or admin type role available, have I > > missed something? > > > > I have worked around the issue by enabling a separate listener on a > > different port on the Southbound ovsdb-servers so that `ovn-northd` can > > connect to that. > > > > > > I have a OVN deployment with central components spread across three > > machines, there is an instance of the Northbound and Southbound > > `ovsdb-server` on each of them which are clustered, and there is also an > > instance of `ovn-northd` on each of them. > > > > The deployment is TLS-enabled and I have enabled RBAC. > > > > Since the DBs are clustered I have no control of which machine will be the > > leader, and it may be that one machine has the leader for the Northbound DB > > and a different machine has the leader of the Southbound DB. > > > > Because of this ovn-northd is unable to talk to the databases through a > > local unix socket and must use a TLS-enabled connection to the DBs, and > > herein lies the problem. > > > > > > I peeked at the RBAC implementation, and it appears to me that the > > permission system is tied to having specific columns in each table that > > maps to the name of the client that wants permission. On the surface this > > appears to not fit with `ovn-northd`'s needs as I would think it would need > > full access to all tables perhaps based on a centrally managed set of > > hostnames. > > > > -- > > Frode Nordahl > > > > _______________________________________________ > > discuss mailing list > > [email protected] > > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss > >
> _______________________________________________ > discuss mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
