Openshift/K8 Cluster Overview

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Openshift/K8 Cluster Overview
Last updated: 8 months ago

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You will need to label your servers as follows:

Master Servers: role=master

Infrastructure Severs: role=infra

Application/Node Servers: role=app

Then you will need cAdvisor, kube-state-metrics and node-exporter to get all the info you need.

https://github.com/google/cadvisor

https://github.com/kubernetes/kube-state-metrics

https://github.com/prometheus/node_exporter

For all your Openshifters out there, here is a simple setup:

oc new-app google/cadvisor

oc new-app openshift/kube-state-metrics

oc create serviceaccount node-exporter

oc adm policy add-scc-to-user privileged -z node-exporter