Hi,
On 11/19/20 11:32 PM, Laurent Dumont wrote:
> collectd_openstack_nova_gauge{exported_instance="site1-director.potato.com
> <http://site1-director.potato.com>",instance="123.123.123.123:9103
> <http://123.123.123.123:9103>",job="collectors",openstack_nova="hypervisor-site1-compute001.potato.com
> <http://hypervisor-site1-compute001.potato.com>",role="Director",short_hostname="director",site="site1",tripleo_role="Director",type="hypervisor_version"}
>
> In our case, because we are scraping a central endpoint, our
> short_hostname will carry the label of the actual scraped target.
> Ideally, I would want short_hostname to be changed to qasite1-compute001.
>
> I've tried using the following metric_relabel_configs, but while it
> doesn't break anything, it doesn't seem to change the labels when
> looking at Prometheus.
>
> metric_relabel_configs:
> # Change the nova metric short_hostname to the compute name.
> - source_labels: ["openstack_nova"]
> regex: '([a-z]+.-compute\d\d\d)'
Prometheus regexps are fully anchored. Either try adding the
\.potato\.com suffix to the end of your regex (after the bracket) or
adapt the regex to add some wildcard (e.g. \..+) in the same place.
Kind regards,
Christian
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