{__name__!~"(prefix_1|prefix_2).+"}
On Tuesday, 15 November 2022 at 06:59:34 UTC [email protected] wrote:
> Hello,
>
> I'm trying to find the best way to use federation to match a metric
> blacklist. Currently we are using a single query string as one long array
> element to accomplish this, i.e.:
>
> params:
> 'match[]':
> - >-
> {__name__=~".+",
> __name__!~"prefix_1.+",
> __name__!~"prefix_2.+"}
>
> Breaking up this string into multiple elements does not work, as each
> element is parsed into a separate match[] parameter in the HTTP request.
> The response appears as if each array element was queried individually and
> combined together after query execution, so one element only excludes one
> prefix, the next element only excludes the next prefix, etc. with the
> result that all matching timeseries are eventually returned.
>
> What is the recommend way to provide a query blacklist when federating
> Prometheus servers?
>
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