Node Unable to Converge as Docker Group Missing

Problem

Node failing to converge as Docker is missing from the group. Kube Logs indicate the following error.

None

+ echo Timed out waiting for '"docker' -H unix:///var/run/docker.sock run --name proxy --detach=true --net=host --privileged --volume /etc/pf9/kube.d/kubeconfigs/kube-proxy.yaml:/etc/kubernetes/pf9/kube-proxy/kube-proxy.yaml gcr.io/google_containers/hyperkube:v1.12.9 /hyperkube proxy --kubeconfig=/etc/kubernetes/pf9/kube-proxy/kube-proxy.yaml --v=2 --cluster-cidr '10.20.0.0/16"'Timed out waiting for "docker -H unix:///var/run/docker.sock run --name proxy --detach=true --net=host --privileged --volume /etc/pf9/kube.d/kubeconfigs/kube-proxy.yaml:/etc/kubernetes/pf9/kube-proxy/kube-proxy.yaml gcr.io/google_containers/hyperkube:v1.12.9 /hyperkube proxy --kubeconfig=/etc/kubernetes/pf9/kube-proxy/kube-proxy.yaml --v=2 --cluster-cidr 10.20.0.0/16"+ return 1

Environment

• Platform9 Managed Kubernetes - All Versions

• Docker

Cause

1. Node had Docker group missing.

None

root@node:~# cat /etc/group | grep docker
root@node:~#

Resolution

1. Add the missing group.

None

root@node:~# cat /etc/group | grep docker
docker:x:999: