Limit EC2 SD by tag

[chbatey]

From what I can tell from the docs/code the EC2 service discovery finds all EC2 instances for a region. In the typical EC2 deployments I work with I only want a subset of the instances to be monitored by prometheus so I'd like to tag these instances with something like Prometheus: True or Monitored: True.

I am happy to contribute the change is it is something you'll accept.

[brian-brazil]

See https://prometheus.io/docs/operating/configuration/#ec2_sd_config

__meta_ec2_tag_<tagkey> contain the tags, and you can use a keep or drop action to limit based on them.

[chbatey]

thanks @brian-brazil what do you mean by a keep or limit? I don't see that in the docs.

[brian-brazil]

See http://www.robustperception.io/automatically-monitoring-ec2-instances/ for an example, and https://prometheus.io/docs/operating/configuration/#<relabel_config> for the docs.

[chbatey]

Thanks @brian-brazil

[apandey2017]

Hi @brian-brazil - how do we specify aws:cloudformation:stack-name in ? I could overcome : by _ but not having any luck with a - replacement in stack-name.

[lock]

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