>From: Angus Salkeld <asalk...@mirantis.com> >Sent: Wednesday, April 8, 2015 8:24 PM >To: OpenStack Development Mailing List (not for usage questions) >Subject: Re: [openstack-dev] [all] how to send messages (and events) to our >users > > >I also want to point out that what I'd actually rather see is that all >of the services provide functionality like this. Users would be served >by having an event stream from Nova telling them when their instances >are active, deleted, stopped, started, error, etc. > >Also, I really liked Sandy's suggestion to use the notifications on the >backend, and then funnel them into something that the user can consume. >The project they have, yagi, for putting them into atom feeds is pretty >interesting. If we could give people a simple API that says "subscribe >to Nova/Cinder/Heat/etc. notifications for instance X, and put them >in an atom feed", that seems like something that would make sense as >an under-the-cloud service that would be relatively low cost and would >ultimately reduce load on API servers. > >"an under-the-clould service" ? - That is not what I am after here. >
Yeah, we're using this as an "under cloud" service. Our notifications are only consumed internally, so it's not a multi-tenant/SaaS solution. > >What I am really after is a general OpenStack solution for how end users can >consume service notifications (and replace "heat event-list"). > > >Right now there is "ceilometer event-list", but as some Ceilometer devs have >said, >they don't want to store every notification that comes. > >So is the yagi + atom hopper solution something we can point end-users to? >Is it per-tenant etc... However, there is a team within Rax working on this SaaS offering: Peter Kazmir and Joe Savak. I'll let them respond with their lessons on AtomHopper, etc. >Sandy, do you have a write up somewhere on how to set this up so I can >experiment a bit? Yagi: https://github.com/rackerlabs/yagi AtomHopper: http://atomhopper.org/ (java warning) The StackTach.v3 sandbox is DevStack-for-Notifications. It simulates notifications (no openstack deploy needed) and it has Yagi set up to consume them. There's also Vagrant scripts to get you going. http://www.stacktach.com/install.html https://github.com/stackforge/stacktach-sandbox and some, slightly older, screencasts on the Sandbox here: http://www.stacktach.com/screencasts.html? We're in the #stacktach channel, by all means ping us if you run into problems. Or if a Hangout works better for you, just scream :)
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