[feature] Ability to filter relevant scraper port with marathon_sd

[czervenyvlk]

Hi,
With meta label _meta_marathon_app_label I can only filter all application tasks with help of an application label.
I run docker container and in this case application task expose multiple generated host ports to which only few application scrapers are bind to from the container.
Is it possible to filter/identify these relevant services providing Prometheus metrics?

[grobie]

Do you want to give it a try?

[czervenyvlk]

Hi @grobie I played with file_sd_configs and query marathon api for list of the ports for marathon task and then ensure that prometheus metrics is exposed on that port - it works, but I think it's not really clear way how to do it.

[lock]

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