On Fri, Jan 29, 2021 at 3:50 PM Vitaly Shupak <[email protected]>
wrote:
> This is possible to do using relabel_configs:
>
> scrape_configs:
> - job_name: 'job'
> static_configs:
> - targets:
> - 'example.com/a'
> - 'example.com/b'
> - 'example.com/c'
> - 'example.com/d'
> relabel_configs:
> - source_labels: [__address__]
> target_label: __metrics_path__
> regex: '(.*)/(.*)'
> replacement: '/$2'
> - source_labels: [__address__]
> target_label: instance
> - source_labels: [__address__]
> regex: '(.*)/(.*)'
> replacement: '$1'
> target_label: __address__
>
This does not require relabeling, as you can just attach a
"__metrics_path__" label directly to each target, e.g.:
scrape_configs:
- job_name: 'job'
static_configs:
- targets:
- 'example.com'
labels:
__metrics_path__: a
- targets:
- 'example.com'
labels:
__metrics_path__: b
- targets:
- 'example.com'
labels:
__metrics_path__: c
- targets:
- 'example.com'
labels:
__metrics_path__: b
I'd probably still just group them under different scrape configs though,
as you will get different metrics from each of the endpoints, and thus
you'll likely want to group them under a different job name (although you
could also override the "job" label like above, in one scrape config).
>
> On Monday, December 14, 2020 at 1:32:23 PM UTC-5 [email protected] wrote:
>
>> There is probably same nuance in arguing if and when this is a good
>> idea and when not.
>>
>> But in fact, the famous
>> https://github.com/kubernetes/kube-state-metrics is doing it. It's not
>> using different paths, but different ports, but that's kind of
>> similar.
>>
>> On the Prometheus side, however, you need separate scrape
>> targets. There is currently no way of "iterating" through multiple
>> ports or paths of a target. From the Prometheus side, a different
>> port, a different path, or a different host is just all the same thing
>> in defining a different target. (And that probably won't change
>> anytime soon.)
>>
>> --
>> Björn Rabenstein
>> [PGP-ID] 0x851C3DA17D748D03
>> [email] [email protected]
>>
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>
--
Julius Volz
PromLabs - promlabs.com
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