Hi,
Thanks for your reply.
The problem is how to add the matcher to a exist rule expr.
Eg.
Now the rule expr is :
cpu_usage / avg_over_time(cpu_usage[5m] offset 24h) > 2
Which is desired：
cpu_usage{xxId="xxx"} / avg_over_time(cpu_usage{xxId="xxx"}[5m] offset 24h) > 2
在 2020年12月3日 17:08，Ben Kochie<[email protected]> 写道：
You can use regular expression matching or not-equals matching.
some_metric_name{some_label!=""}
This will match any metric where the label is present.
On Thu, Dec 3, 2020 at 10:06 AM lizhihua0925 <[email protected]> wrote:
Hi,
It is not same.
What I want to do is limit the rule to eval metrics which have the spcified
label.
Kind regards, Allenzh li
在 2020年12月3日 16:53，Christian Hoffmann<[email protected]> 写道：
Hi, On 12/3/20 9:48 AM, Allenzh li wrote: > Exactly, I develop a API which
accept prometheus rule from web. > When user create a new rule, I want to add a
fixed matcher(xxId="xxx"), > which label name is fixed and label value is
various. > > eg. > cpu_usage / avg_over_time(cpu_usage[5m] offset 24h) > 2
-> > cpu_usage{xxId="xxx"} / avg_over_time(cpu_usage{xxId="xxx"}[5m] offset >
24h) > 2 So it seems like your web application will only handle the
alert-specific PromQL expression which ends up in the alert's "expr" field. It
seems like it would be straight forward to add the static label with the
dynamic value directly into the Prometheus alert using the labels: field?
https://prometheus.io/docs/prometheus/latest/configuration/alerting_rules/
(Ctrl+F "severity: page") Kind regards, Christian
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