On 21 May 14:33, Frank R wrote:
> Alert templating question.
>
> I have an issue where some targets have a hostname label. When there is no
> hostname label the instance label should be used.
>
> Would this work in a prometheus alert annotation:
>
> {{ or $labels.hostname $labels.instance }}
I am not going to answer your question because I am using another trick
to achieve this.
In the prometheus config:
alerting:
alert_relabel_configs:
- source_labels: [instance, hostname]
regex: "(.+);"
target_label: hostname
replacement: '$1'
That way, prometheus will add a hostname label equal to the instance to
every alert if it is empty.
Regards,
>
> ?
>
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--
Julien Pivotto
@roidelapluie
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