global labels?

[jer...@doupe.com]

I know there is `external_labels` and `labels` under static_configs. The first only applies labels to external systems (as the name implies), and the second only applies to the static targets specified.  

Is there a way to apply a global label to all scrape targets?

The desire is to have a "datacenter" label for one or more instances that will be scraped by a central instance a la /federate.  Yes, I can add datacenter as an `external_label`, but there is also a desire to write only one set of queries/dashboards.  If they are written with the datacenter label in mind via a grafana template variable, then those same dashboards won't work if/when copied to look at a localized prometheus instance.

[Brian Brazil]

On 12 July 2017 at 23:18, <jer...@doupe.com> wrote:

I know there is `external_labels` and `labels` under static_configs. The first only applies labels to external systems (as the name implies), and the second only applies to the static targets specified.  

Is there a way to apply a global label to all scrape targets?

This is what external_labels is designed for.

 

The desire is to have a "datacenter" label for one or more instances that will be scraped by a central instance a la /federate.  Yes, I can add datacenter as an `external_label`, but there is also a desire to write only one set of queries/dashboards.  If they are written with the datacenter label in mind via a grafana template variable, then those same dashboards won't work if/when copied to look at a localized prometheus instance.

The way to approach this is to always use the per-datacenter Prometheus instance for these dashboards, as this avoids any unreliability of the central instance affecting your main dashboards.

--

Brian Brazil

www.robustperception.io

[Ben Kochie]

Grafana can template which Prometheus server to talk to for a dashboard, avoiding the need to federate any data to have a single dashboard for all datacenters.

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[jer...@doupe.com]

Definitely understand that, however, setting up 30+ datasources (and maintaining that) in grafana is not something I wanted to do.

On Thursday, July 13, 2017 at 2:58:14 AM UTC-5, Ben Kochie wrote:

Grafana can template which Prometheus server to talk to for a dashboard, avoiding the need to federate any data to have a single dashboard for all datacenters.

On Thu, Jul 13, 2017 at 12:18 AM, <jer...@doupe.com> wrote:

I know there is `external_labels` and `labels` under static_configs. The first only applies labels to external systems (as the name implies), and the second only applies to the static targets specified.  

Is there a way to apply a global label to all scrape targets?

The desire is to have a "datacenter" label for one or more instances that will be scraped by a central instance a la /federate.  Yes, I can add datacenter as an `external_label`, but there is also a desire to write only one set of queries/dashboards.  If they are written with the datacenter label in mind via a grafana template variable, then those same dashboards won't work if/when copied to look at a localized prometheus instance.

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[Tobias Schmidt]

You could take a look at Grafana's data source API http://docs.grafana.org/http_api/data_source/.

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