[Hawkular-dev] Sending data to metrics via Pinger - bus? REST?

[Juraci Paixão Kröhling]

It seems there's a PR for that already:

https://github.com/hawkular/hawkular-metrics/pull/445

Once this is merged, I think I'll be able to change the pinger to send 
data to this "java:/queue/hawkular/metrics/gauges/new" queue. It seems 
it works the other way around as I imagined (ie: metrics queue, instead 
of pinger topic), but that works too :)

- Juca.

On 11.02.2016 14:15, Juraci Paixão Kröhling wrote:
> With the latest update of metrics, it seems that the Pinger is now
> broken: Metrics is now protected via Accounts, meaning that REST calls
> would need to include auth data, which are not available to pinger.
>
> Pinger is a process that runs on Hawkular server, so, either we would
> need to get a token from users when they first request an URL to be
> monitored, or we would need to somehow send data to Metrics "directly".
>
> Of course, the bus comes to my mind. I'm sure this was discussed at
> length before, but I just want to catch up on the current state of things.
>
> My understanding is that Pinger would send a "PingerResult" to a topic,
> where interested parties would be listening. Inventory and Metrics would
> be such parties: a Topic Listener on each of those components would be
> responsible for doing inventory-specific and metrics-specific logic.
>
> The question, though, is: where would this code reside? Heiko's idea is
> that this would be part of a "glue", ie, a code "somewhere inside
> Hawkular". In my view, the glue is the bus, so, this should reside
> within the component itself. In metrics case, the listener would
> probably be inside the "hawkular-component" module. The code on
> "hawkular-component" would just listen to this topic and call
> MetricsService.
>
> What would be the most appropriate way to have the pinger's results
> stored in metrics?
>
> - Juca.
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