[Hawkular-dev] Is this an applicable use-case for Hawkular

[Jay Shaughnessy]

On 10/28/2015 12:49 PM, Anton Hughes wrote:
>
> On 27 October 2015 at 13:29, Jay Shaughnessy <jshaughn at redhat.com 
> <mailto:jshaughn at redhat.com>> wrote:
>
>     lso, depending on your needs, you could find that your main needs
>     are metrics and alerting, maybe BTM as well, and those components
>     can both be used in a "standalone" mode, independent of the
>     Hawkular framework.  REST APIs are the typical way to interact
>     with Hawkular.  Hawkular Alerts has no built-in UI, I'm not sure
>     if Metrics comes with any visualization outside of Hawkular.
>
>
> Thanks.
>
> I wasnt aware that the hawkular components could be run separately.
>
> The BTM module looks interesting, however I am concerned about 
> maintenance. For example, in the configuration example on 
> http://www.hawkular.org/docs/components/btm/index.html, if I were to 
> change the switchyard service names it would break - and I assume 
> there would be no compile time errors? Therefore, using a strongly 
> typed hawkular client to communicate with hawkular would be preferred.
>
> With Metrics, is it possible to add custom data? To illustrate, I have 
> the following use-case:
> *log events of interest - *as a product owner I would like to use all 
>  user events of interest so that the user and system auditors can see 
> what and when a user did something. So, we would log "user John, with 
> user id 1234 logged in at wed 25 oct 17:46. So we would be logging a 
> custom event, and storing custom data.

Metrics and Alerts can both be used outside of the Hawkular framework so 
really you can store any metric you like, or alert on basically any data 
you like.  As for Events, the next release of Hawkular Alerts (0.6.0) 
will include a new Events feature that you may find interesting.  
Whereas Alerts are relatively rare, typically involve human interaction, 
and run through a simple life-cycle; Events are likely much more 
numerous, representing any sort of happening that a client wants to 
persist.  The interesting thing about Events in HK-Alerts is that they 
can be inserted directly via API or can be generated via Trigger, like 
an Alert.  And Events can also be used as Trigger conditions, to 
contribute to further Alert or Event generation.
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