[Hawkular-dev] Metrics tag queries ( and inventory)

[Heiko W.Rupp]

Hey,

I was looking at how to find all tags in the metrics system
and found endpoints like

http://www.hawkular.org/docs/rest/rest-metrics.html#GET__gauges_tags__tags_

(similar exist for Counters, avail, ...)

Those expect a "tag-query". With some looking at the source and trying
I found out that app:* works, but not *:cpu or even *:* to find all tags.

Do metrics-only users completely rely on external orchestration to find
possible tags?

Now with pets vs cattle and containers coming and going, we need those
labels to identify what belongs together.
For Hawkular-services, how will we store those tags in a way that
clients (e.g. ManageIQ) can find them and thus also query metrics for
those labels?
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