Thanks. I always forget that labels starting with __ are automatically dropped after target relabelling, but not metric relabelling.
On Monday 11 March 2024 at 20:49:42 UTC Ben Kochie wrote: > The other way you can do this is with the "__tmp_keep" pattern. This is > where you positively tag the metrics you want to keep, and then use a drop > that matches that temporary label doesn't exist. > > metric_relabel_configs: > - source_labels: [__name__, name] > regex: 'node_systemd_.*;(ssh|apache).*' > target_label: __tmp_keep > replacement: yes > - source_labels: [__tmp_keep,__name__] > regex: ';node_systemd_.*' > action: drop > - regex: __tmp_keep > action: labeldrop > > On Monday, March 11, 2024 at 9:43:27 PM UTC+1 mel wrote: > >> You are absolutely correct but I don't have access to a lot of the >> servers so I am trying to drop them on the prometheus side >> >> On Monday, March 11, 2024 at 1:39:18 PM UTC-7 Ben Kochie wrote: >> >>> relabel actions are exclusive. Drop means keep everything but X. Keep >>> means drop everything but X. >>> >>> For your exact problem, there is already a node_exporter flag to handle >>> this. >>> >>> ./node_exporter --collector.systemd.unit-include="(ssh|apache)" >>> >>> This will also be more efficient because it it will only gather data >>> about those two units. >>> >>> On Monday, March 11, 2024 at 9:27:30 PM UTC+1 mel wrote: >>> >>>> Hello I am using node_exporter and I am trying to drop all >>>> node_systemd_unit_state metrics except for a handful of services like >>>> (e.g.,) ssh and apache. How would I do this? I came up with the following, >>>> but I don't think this is correct because it will drop other metrics as >>>> well (metrics that are not related to systemd service) >>>> >>>> metric_relabel_configs: >>>> - source_labels: [__name__, name] >>>> regex: 'node_systemd_unit_state;(ssh|apache).*' >>>> action: keep >>>> >>>> How do I drop all service metrics except for ssh and apache service? >>>> >>> -- 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 prometheus-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/0778c04a-56e4-4090-a918-50cc7db0f7ean%40googlegroups.com.
