kubernetes - how to change kubelet working dir to somewhere else

Question

kubernetes 1.7.x

kubelet store some data in /var/lib/kubelet, how can I change it to somewhere else ?

Because my /var is every small.

Answer 1

Ok. I figured it out. On centos.

/etc/systemd/system/kubelet.service.d/10-kubeadm.conf

you can add

Environment="KUBELET_EXTRA_ARGS=$KUBELET_EXTRA_ARGS --root-dir=/data/k8s/kubelet"

then

systemctl daemon-reload
systemctl restart kubelet