[SR-Users] XHTTP_Prom syntax error with usrloc in Kamailio 5.3

[Sergiu Pojoga]

The "hyphen vs underscore" topic has been previously discussed, check out
https://www.mail-archive.com/sr-users@lists.kamailio.org/msg12385.html

On Wed, Sep 30, 2020 at 9:36 AM Tim Unkrig <tim at unkrig.dev> wrote:

> Hello hello,
>
> I would like to monitor our production kamailio cluster (5.3) with
> prometheus and I was in the beginning so happy to spot the xhhtp_prom
> module.
> But when we enabled it, the output was in view of prometheus malformed in
> combination with the usrloc module, we got the following output:
>
> kamailio_usrloc_location-contacts 0 1597934423943
> kamailio_usrloc_location-expires 0 1597934423943
> kamailio_usrloc_location-users 0 1597934423943
>
> Prometheus only accepts “_”   instead of “-“. So unfortunately I get
> "strconv.ParseFloat: parsing "-contacts": invalid syntax” on the prometheus
> primary node, when I activated the scraper.
> This has been issued in the master branch of kamailio with a sanatize
> function for that problem. But I would like to avoid compiling modules by
> myself, because this can be messy from time to time.
> That´s why my question, is there maybe another way of fixing this?
>
> I really appreciate any comments here and thanks for your time,
> Tim Unkrig
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