On 4/2/24 16:17, Ales Musil wrote:
> 
> 
> On Tue, Apr 2, 2024 at 4:03 PM Ilya Maximets <i.maxim...@ovn.org 
> <mailto:i.maxim...@ovn.org>> wrote:
> 
>     On 4/2/24 15:36, Ales Musil wrote:
>     >
>     >
>     > On Tue, Apr 2, 2024 at 3:02 PM Ilya Maximets <i.maxim...@ovn.org 
> <mailto:i.maxim...@ovn.org> <mailto:i.maxim...@ovn.org 
> <mailto:i.maxim...@ovn.org>>> wrote:
>     >
>     >     On 3/28/24 09:53, Ales Musil wrote:
>     >     > The br-int connection is hardcoded to use unix socket, which 
> requires
>     >     > for the socket to be visible for ovn-controller. This is 
> achievable in
>     >     > container by mounting the socket, but in turn the container 
> requires
>     >     > additional privileges.
>     >     >
>     >     > Add option to ovn-controller that allows to specify remote target 
> for
>     >     > br-int. This gives the user possibility to connect to br-int in 
> different
>     >     > manner than unix socket, defaulting to the unix socket when not 
> specified.
>     >     > In addition, there is an option to specify inactivity probe for 
> this
>     >     > connection, disabled by default.
>     >     >
>     >     > Reported-at: https://issues.redhat.com/browse/FDP-243 
> <https://issues.redhat.com/browse/FDP-243> 
> <https://issues.redhat.com/browse/FDP-243 
> <https://issues.redhat.com/browse/FDP-243>>
>     >     > Signed-off-by: Ales Musil <amu...@redhat.com 
> <mailto:amu...@redhat.com> <mailto:amu...@redhat.com 
> <mailto:amu...@redhat.com>>>
>     >     > ---
>     >     >  NEWS                            |  6 +++
>     >     >  controller/ofctrl.c             | 10 +----
>     >     >  controller/ofctrl.h             |  5 ++-
>     >     >  controller/ovn-controller.8.xml | 12 ++++++
>     >     >  controller/ovn-controller.c     | 68 
> ++++++++++++++++++++++++++-------
>     >     >  controller/pinctrl.c            | 56 ++++++---------------------
>     >     >  controller/pinctrl.h            |  6 ++-
>     >     >  controller/statctrl.c           | 66 
> ++++++--------------------------
>     >     >  controller/statctrl.h           |  3 +-
>     >     >  include/ovn/features.h          |  2 +-
>     >     >  lib/features.c                  | 35 +++++------------
>     >     >  lib/ovn-util.c                  | 26 +++++++++++++
>     >     >  lib/ovn-util.h                  |  4 ++
>     >     >  lib/test-ovn-features.c         |  6 +--
>     >     >  tests/ovn-controller.at <http://ovn-controller.at> 
> <http://ovn-controller.at <http://ovn-controller.at>>         | 31 
> +++++++++++++++
>     >     >  utilities/ovn-ctl               | 10 +++++
>     >     >  16 files changed, 192 insertions(+), 154 deletions(-)
>     >     >
>     >     > diff --git a/NEWS b/NEWS
>     >     > index 4d6ebea89..4979bb806 100644
>     >     > --- a/NEWS
>     >     > +++ b/NEWS
>     >     > @@ -12,6 +12,12 @@ Post v24.03.0
>     >     >      flow table id.
>     >     >      "lflow-stage-to-oftable STAGE_NAME" that converts stage name 
> into OpenFlow
>     >     >      table id.
>     >     > +  - Add option to ovn-controller called "--br-int-remote=REMOTE" 
> that allows
>     >     > +    to specify connection method to integration bridge for 
> ovn-controller,
>     >     > +    defaulting to the unix socket.
>     >     > +  - Add option to ovn-controller called 
> "--br-int-probe-interval=INTERVAL"
>     >     > +    that sets probe interval for integration bridge connection,
>     >     > +    disabled by default.
>     >
>     >     I didn't review the code, but I don't think the names should be 
> changed.
>     >     There is nothing user-facing called "br-int" and any bridge name 
> can be
>     >     chosen for a deployment.  It should be called 
> "ovn-bridge-mgmt-remote" or
>     >     something like that.
>     >
>     >
>     > I'm fine either way, I just went with br-int because the code around 
> that is actually
>     > called br-int even if we have different management bridge name.
> 
>     The point is - users do not know how the code looks like
>     and they may have nothing called 'br-int' in their setup.
> 
> 
> Sure that is fine I can change the user facing part.
>  
> 
> 
>     Also, maybe these should be a database configuration instead
>     of command line arguments?  Alongside the 'ovn-bridge'.
> 
> 
> So having in DB means we have to react to any change, the question is, do we 
> expect
> uset to change this configuration often?

Do we react to 'ovn-bridge' changes?  I guess, ovn-controller can react to
connection changes the same way.  This configuration should not change
frequently, IMO.

> Also "ovs-database" is also just an argument to the ovn-controller.

Database connection and OF connection are different things, and we have
to know how to connect to the database.  The model until now was to have
a single command line argument - database connection method - and store
all the other configuration in the database.

>  
> 
> 
>     Best regards, Ilya Maximets.
> 
> 
> Thanks,
> Ales
> -- 
> 
> Ales Musil
> 
> Senior Software Engineer - OVN Core
> 
> Red Hat EMEA <https://www.redhat.com>
> 
> amu...@redhat.com <mailto:amu...@redhat.com> 
> 
> <https://red.ht/sig>
> 

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