How to check that kubelet server port works in all nodes
Issue
- It is necessary to check that kubelet serving port (10250) is correctly accessed from masters for all the nodes.
- Certificates have been rotated recently and it is necessary to check that server certificates are correct for all nodes.
- Log pods cannot be retrieved and
oc rshalso doesn't work if the pods are placed on some nodes.
Environment
- OpenShift Container Platform 3.x
- OpenShift Container Platform 4.x
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