kubespray/roles/kubernetes/node/templates/config.j2

###
# kubernetes system config
#
# The following values are used to configure various aspects of all
# kubernetes services, including
#
#   kube-apiserver.service
#   kube-controller-manager.service
#   kube-scheduler.service
#   kubelet.service
#   kube-proxy.service

# Comma separated list of nodes in the etcd cluster
# KUBE_ETCD_SERVERS="--etcd_servers="

# logging to stderr means we get it in the systemd journal
KUBE_LOGTOSTDERR="--logtostderr=true"

# journal message level, 0 is debug
KUBE_LOG_LEVEL="{{ kube_log_level | default('--v=2') }}"

# Should this cluster be allowed to run privileged docker containers
KUBE_ALLOW_PRIV="--allow_privileged=true"

# How the replication controller, scheduler, and proxy
KUBE_MASTER="--master=https://{{ groups['kube-master'][0] }}:{{ kube_apiserver_port }}"