On Mon, Jan 7, 2013 at 8:02 AM, Murali Reddy <murali.re...@citrix.com> wrote: > > On 04/01/13 8:19 PM, "Chip Childers" <chip.child...@sungard.com> wrote: > >>Splitting this out of the SNMP thread, as I think it needs it's own >>discussion. >> >>On Thu, Jan 3, 2013 at 6:56 PM, Chiradeep Vittal >><chiradeep.vit...@citrix.com> wrote: >>> Why would CloudStack need an API to register subscribers? >>> Wouldn¹t they directly go to the broker? >> >>I agree. Shouldn't the subscription process be delegated to the broker >>itself? > > Do not think message broker by themselves are not necessarily directly > exposed for subscription. I think you still need a service through which > to register endpoint (web call back URL or SMS etc) to receive > notifications. For e.g in public cloud, if tenant's on-premise monitoring > component wish to receive notification for occurrence of event he can > register a endpoint with notification service which acts as proxy for > broker. Though, I agree that notification service it self, need not be > part of CloudStack. >
So if I understand this correctly, the message bus is only used by the management server as a queue for events to forward to some other endpoint? That doesn't jive with the diagram here: https://cwiki.apache.org/confluence/display/CLOUDSTACK/Event+Notification+with+message+oriented+middleware+Proposal Sorry If I'm not understanding correctly, but I'm highly interested. > >> >>> On 12/20/12 3:46 AM, "Murali Reddy" <murali.re...@citrix.com> wrote: >>> >>>> >>>>> >>>>>Hey Murali, >>>>> >>>>>Great to hear about where you stand right now. Is the code (work in >>>>>progress obviously) available on one of the branches? I'd love to >>>>>take a look at it. >>>>> >>>>>-chip >>>>> >>>> >>>> >>>>Chip >>>> >>>>I have been using 'events-framework' branch for this work. Please take a >>>>look at 'framework/events/src/org/apache/cloudstack/framework/events' >>>>for >>>>event bus abstraction and the specific AMQP client implementation and >>>>'plugins/event-bus/rabbitmq/src/org/apache/cloudstack/mom/rabbitmq' for >>>>a >>>>Rabbit AM AMQP client that implements EventBus. >>>> >>>>Thanks, >>>>Murali >>>> >>> >>> >> > >
