That sounds like metric_relabel_configs, not relabel_configs.
relabel_configs apply to `up` and other auto-generated metrics.

On Wed, Jan 13, 2021 at 5:11 PM Tom Gregory <[email protected]> wrote:

> The relabelling process doesn't happen on the *up *metric, so the metric
> doesn't have the correct labels I need for my query.
>
> To illustrate this, imagine I have two services generating metrics
>
>    - service A generates metrics with a label svc="service-a"
>    - service B generates metrics with a label svc="service-b"
>
> For whatever reason I want to relabel *svc* to *service*. This works for
> all the metrics other than *up*.
>
> I want to run Prometheus queries against different metrics using a
> consistent set of labels (e.g. *service *rather than *svc*). This is
> especially important using visualisation tools like Grafana (imagine a 
> *service
> *drop down box).
>
> On Wednesday, 13 January 2021 at 14:13:27 UTC Stuart Clark wrote:
>
>> On 2021-01-13 13:55, Tom Gregory wrote:
>> > I'm using Prometheus federation i.e. I'm ingesting metrics from one
>> > Prometheus to another.
>> >
>> > To do some relabelling I'm using _METRIC_RELABEL_CONFIGS_. According
>> > to the docs [1]:
>> >
>> > METRIC RELABELLING DOES NOT APPLY TO AUTOMATICALLY GENERATED
>> > TIMESERIES SUCH AS UP.
>> >
>> > That makes me sad because I want to measure uptime using these
>> > metrics. Is there any suggested approach to getting around this
>> > problem please? Any way to measure uptime without the automatically
>> > generated _up_ metric?
>> >
>>
>> What is the problem you are having with the up metric?
>>
>> up (and a few others) are created by Prometheus to give some details
>> about scrapes. So they should "just work".
>>
>> --
>> Stuart Clark
>>
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