[Hawkular-dev] Business app/services representation in Inventory

[Lukas Krejci]

----- Original Message -----
> From: "Gary Brown" <gbrown at redhat.com>
> To: "Discussions around Hawkular development" <hawkular-dev at lists.jboss.org>
> Sent: Tuesday, 31 March, 2015 10:37:53 AM
> Subject: [Hawkular-dev] Business app/services representation in Inventory
> 
> Hi
> 
> Before going too far down the BTM road, I just wanted to confirm whether or
> not we want the business app, their components services, and their
> relationships to IT resources they use, stored in Hawkular Inventory?
> 

Inventory definitely is the right place to store such information.

> An alternative approach would be to derive the structure and relationships
> dynamically from the business transaction instance information.
> 

Deriving the structure and relationships dynamically is basically
a "discovery" as called in ye olde RHQ days. That is a capability
which we'd very much like to keep.

The new inventory is (so far) unaware of special "discovery" step - everything
from resource creation to establishing relationships is done through 1 public
API that "anyone" can use.

> The benefit of storing in Inventory is it enables end users to navigate
> through the inventory to understand the relationships to the business
> apps/services, as well as allow other tooling (e.g. impact analysis) to
> determine the effect of IT resource downtime on business apps.
>

+1. I know Brett will object that that's what Artificer is for, too, but I
personally see the difference in Inventory's focus on relationships, while
Artificer is more geared towards managing content.
 
> Thoughts?
> 
> Regards
> Gary
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