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Hi gibi,

Thank for the info. Searchlight team is working on a patch to support the
versioned Nova. Hopefully, it will be released in Stein-1.

Bests,

*Trinh Nguyen *| Founder & Chief Architect

<http://www.edlab.xyz>

*E:* dangtrinhnt at gmail.com | *W:* *www.edlab.xyz <https://www.edlab.xyz>*



On Mon, Sep 17, 2018 at 8:23 PM Balázs Gibizer <balazs.gibizer at ericsson.com>
wrote:

> Hi,
>
> On the Stein PTG the nova team agreed to deprecate the legacy,
> unversioned notification interface of nova. We also agreed that we will
> not try to remove the legacy notification sending from the code any
> time soon. So this deprecation means the following:
> * by default configuration nova will only emit versioned notifications,
> but the unversioned notifications still can be turned on in the
> configuration.
> * nova will not maintain the legacy notification code path further, so
> it can break
>
> I pushed the deprecation patch [2] but it will only be merged after the
> remaining versioned notification transformation patches [3] are merged.
>
> Cheers,
> gibi
>
> [2] https://review.openstack.org/#/c/603079
> [3]
>
> https://review.openstack.org/#/q/topic:bp/versioned-notification-transformation-stein
>
> On Tue, Aug 28, 2018 at 4:31 PM, Balázs Gibizer
> <balazs.gibizer at ericsson.com> wrote:
> > Thanks for all the responses. I collected them on the nova ptg
> > discussion etherpad [1] (L186 at the moment). The nova team will talk
> > about deprecation of the legacy interface on Friday on the PTG. If
> > you want participate in the discussion but you are not planning to
> > sit in the nova room whole day then let me know and I will try to
> > ping you over IRC when we about to start the item.
> >
> > Cheers,
> > gibi
> >
> > [1] https://etherpad.openstack.org/p/nova-ptg-stein
> >
> > On Thu, Aug 9, 2018 at 11:41 AM, Balázs Gibizer
> > <balazs.gibizer at ericsson.com> wrote:
> >> Dear Nova notification consumers!
> >>
> >>
> >> The Nova team made progress with the new versioned notification
> >>  interface [1] and it is almost reached feature parity [2] with the
> >>  legacy, unversioned one. So Nova team will discuss on the upcoming
> >>  PTG the deprecation of the legacy interface. There is a list of
> >>  projects (we know of) consuming the legacy interface and we would
> >>  like to know if any of these projects plan to switch over to the
> >> new  interface in the foreseeable future so we can make a well
> >> informed  decision about the deprecation.
> >>
> >>
> >> * Searchlight [3] - it is in maintenance mode so I guess the answer
> >>  is no
> >> * Designate [4]
> >> * Telemetry [5]
> >> * Mistral [6]
> >> * Blazar [7]
> >> * Watcher [8] - it seems Watcher uses both legacy and versioned nova
> >>  notifications
> >> * Masakari - I'm not sure Masakari depends on nova notifications or
> >>  not
> >>
> >> Cheers,
> >> gibi
> >>
> >> [1]
> >>  https://docs.openstack.org/nova/latest/reference/notifications.html
> >> [2] http://burndown.peermore.com/nova-notification/
> >>
> >> [3]
> >>
> https://github.com/openstack/searchlight/blob/master/searchlight/elasticsearch/plugins/nova/notification_handler.py
> >> [4]
> >>
> https://github.com/openstack/designate/blob/master/designate/notification_handler/nova.py
> >> [5]
> >>
> https://github.com/openstack/ceilometer/blob/master/ceilometer/pipeline/data/event_definitions.yaml#L2
> >> [6]
> >>
> https://github.com/openstack/mistral/blob/master/etc/event_definitions.yml.sample#L2
> >> [7]
> >>
> https://github.com/openstack/blazar/blob/5526ed1f9b74d23b5881a5f73b70776ba9732da4/doc/source/user/compute-host-monitor.rst
> >> [8]
> >>
> https://github.com/openstack/watcher/blob/master/watcher/decision_engine/model/notification/nova.py#L335
> >>
> >>
> >
> >
> >
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