The only "variables" in rewriting rules are additional temporary labels, starting __tmp_. I don't think there's anything you can do with those, that you can't do with a regular label.
On Saturday, 28 May 2022 at 11:27:14 UTC+1 [email protected] wrote: > Also, backreferences (e.g. \1) are not supported in regex. > Is it possible to set a variable and use it in regex: ? > > пятница, 27 мая 2022 г. в 18:25:30 UTC+3, Lior Goikhburg: > >> Hi! >> >> My use case is to keep targets (kubernetes sd) only if the values of two >> specific lables are equal. Can this be done ? >> >> My Idea was to concatenate lables and do a regex lookahead comparison. >> The problem is that, unfortunately, lookahead is not supported by go's RE2. >> >> Here is what I tried: >> # Only keep pods if container port matches tcp-port annotation >> - source_labels: >> - __meta_kubernetes_pod_container_port_number >> - __meta_kubernetes_pod_annotation_tcp_port >> action: keep >> regex: ([^;]+);(?=\1$) >> >> Is there any other way around ? >> > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/3e13011a-f19b-4724-97c9-8629f4b66625n%40googlegroups.com.
