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Version: v2.10 (Preview)

Troubleshooting Worker Nodes and Generic Components

This section applies to every node as it includes components that run on nodes with any role.

Check if the Containers are Running

There are two specific containers launched on nodes with the worker role:

  • kubelet
  • kube-proxy

The containers should have status Up. The duration shown after Up is the time the container has been running.

docker ps -a -f=name='kubelet|kube-proxy'

Example output:

CONTAINER ID        IMAGE                                COMMAND                  CREATED             STATUS              PORTS               NAMES
158d0dcc33a5 rancher/hyperkube:v1.11.5-rancher1 "/opt/rke-tools/en..." 3 hours ago Up 3 hours kube-proxy
a30717ecfb55 rancher/hyperkube:v1.11.5-rancher1 "/opt/rke-tools/en..." 3 hours ago Up 3 hours kubelet

Container Logging

The logging of the containers can contain information on what the problem could be.

docker logs kubelet
docker logs kube-proxy