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Document what ports are scraped by default in k8s example

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The Kubernetes pod SD creates a target for each declared port, as documented:

https://prometheus.io/docs/operating/configuration/#pod

> The pod role discovers all pods and exposes their containers as targets. For
> each declared port of a container, a single target is generated. If a
> container has no specified ports, a port-free target per container is created
> for manually adding a port via relabeling.

This results in the default port being the declared port, or no port if none are
declared.
This commit is contained in:
Svend Sorensen 2017-05-01 15:50:14 -07:00
parent 314b81062d
commit 94a3e863e4
1 changed files with 2 additions and 1 deletions
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documentation/examples/prometheus-kubernetes.yml
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@ -158,7 +158,8 @@ scrape_configs:
#
# * `prometheus.io/scrape`: Only scrape pods that have a value of `true`
# * `prometheus.io/path`: If the metrics path is not `/metrics` override this.
# * `prometheus.io/port`: Scrape the pod on the indicated port instead of the default of `9102`.
# * `prometheus.io/port`: Scrape the pod on the indicated port instead of the
# pod's declared ports (default is a port-free target if none are declared).
- job_name: 'kubernetes-pods'
kubernetes_sd_configs: