[Hawkular-dev] Ability to group by datapoint tag in Grafana

[John Sanda]

You are using the wrong endpoint. It should be:

$HAWKULAR_URL/gauges/{metric_id}/stats/tags/type/type:routes?start=1484320827578&end=1484329973940

where {metric_id} is pod%2Fded071be-d9a6-11e6-8140-525400c583ad%2Fcustom%2Fprometheus_MyCamel_MeanProcessingTime

And for this endpoint the bucketDuration parameter is not supported. The buckets are determined by the tag filters. The endpoint URL has changed from the initial implementation (and needs to be documented) but the examples in the ticket of how the buckets are determined are still valid.

> On Jan 19, 2017, at 4:02 PM, Gareth Healy <garethahealy at gmail.com> wrote:
> 
> @John S,
> 
> No, i dont get back what i expect.
> 
> Based on the below data (below is logs from HOSA):
> 
> I0113 17:24:09.138095       1 metrics_storage.go:154] TRACE: Stored [5] [gauge] datapoints for metric named [pod/ded071be-d9a6-11e6-8140-525400c583ad/custom/prometheus_MyCamel_MeanProcessingTime]: 
> 
> [{2017-01-13 17:24:09.117190753 +0000 UTC 18 map[type:routes name:"route1"]} 
> {2017-01-13 17:24:09.117190753 +0000 UTC 0 map[type:processors name:"transform2"]} 
> {2017-01-13 17:24:09.117190753 +0000 UTC 17 map[type:processors name:"choice1"]} 
> {2017-01-13 17:24:09.117190753 +0000 UTC 8 map[type:processors name:"transform1"]} 
> {2017-01-13 17:24:09.117190753 +0000 UTC 18 map[name:"MyCamel" type:context]}]
> 
> With the below cURL:
> 
> curl -k -X GET -H "Content-Type: application/json" -H "Hawkular-Tenant: $HAWKULAR_TENANT" -H "Authorization: Bearer $(oc sa get-token -n openshift-infra heapster)" "$HAWKULAR_URL/gauges/stats?start=1484320827578&end=1484329973940&bucketDuration=10d&tags=type:routes"
> 
> I get no data back. From a reply i got from Joel (in this thread), its because the stats endpoint is working on metric tags, but i am wanting to look at datapoint tags.
> 
> On Thu, Jan 19, 2017 at 8:35 PM, John Mazzitelli <jmazzite at redhat.com <mailto:jmazzite at redhat.com>> wrote:
> 
> On Thu, 2017-01-19 at 15:21 -0500, John Sanda wrote:
> > I think I already asked this before, but does the tag based bucketing
> > introduced in https://issues.jboss.org/browse/HWKMETRICS-373 <https://issues.jboss.org/browse/HWKMETRICS-373> help
> > here?
> 
> I do not know... that would be a question for Gareth to answer.
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