I wondered about how kubelet communicates with docker containers. Where this configuration has defined? I searched a lot but didn't find anything informative. I am using https kube API server. I am able to create pods but containers are not getting spawned ? Any one knows what may be the cause ? Thanks in advance.
Kubelet talks to the docker daemon using the docker API over the docker socket. You can override this with --docker-endpoint= argument to the kubelet.
Pods may not be being spwaned for any number of reasons. Check the logs of your scheduler, controller-manager and kubelet.