Brian,
I added the group_left below as highlighted. However, it didn’t work as
expected in the output. Any advice where was wrong?
summary: Host out of memory (instance {{ $labels.instance }}
group_left(nodename) node_uname_info{job="node-exporter-vm”})
Output:
"commonAnnotations_summary":"Host out of memory (instance 172.25.35.85:9100
group_left(nodename) node_uname_info{job=\"node-exporter-vm\"})"
> On Sep 1, 2020, at 1:49 AM, Brian Candler <b.cand...@pobox.com> wrote:
>
> You can join your query with node_uname_info, using group_left, so that the
> query result gains additional labels from node_uname_info. The approach is
> described here:
>
> https://www.robustperception.io/how-to-have-labels-for-machine-roles
> <https://www.robustperception.io/how-to-have-labels-for-machine-roles>
> https://www.robustperception.io/exposing-the-software-version-to-prometheus
> <https://www.robustperception.io/exposing-the-software-version-to-prometheus>
> https://prometheus.io/docs/prometheus/latest/querying/operators/#many-to-one-and-one-to-many-vector-matches
>
> <https://prometheus.io/docs/prometheus/latest/querying/operators/#many-to-one-and-one-to-many-vector-matches>
>
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