Graphite mappings for graphite-exporter not working?

[joh...@digitalis.io]

Hi,

I am having difficulty getting the mappings working for the graphite exporter and was wondering if anyone has some additional examples as following the ones on the github repo and in the tests dont seem to work.

For example with this metric

# HELP _jvm_uptime Graphite metric .jvm.uptime
# TYPE _jvm_uptime gauge
_jvm_uptime 526

No matter what I try, I cant catch it and transform. Its probably my error as it seems a pretty fundamental issue. The config file is definitely getting picked up (as it fails when the syntax is invalid).

I have even tried using the catch all thats in the project tests:

*.*
name="catchall"
first="$1"
second="$2"
third="$3"
job="$1-$2-$3"

jvm.*
name="jvm"
type="$1"


jvm.uptime
name="jvm_uptime"
type="$1"

Any help is appreciated, even if that help is that someone is actually using this and it does work would be good.

Thanks,

Johnny

[Julius Volz]

I think the reason would be that the regex that matches Graphite metrics does not allow for empty segments between dots (as ".jvm.uptime" has a leading empty segment):

https://github.com/prometheus/graphite_exporter/blob/master/mapper.go#L27

Is that even a valid Graphite metric name?

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