cluster log level variable 'kube_log_level'

roles/kubernetes/node/templates/config.j2

@@ -17,7 +17,7 @@
 KUBE_LOGTOSTDERR="--logtostderr=true"
 
 # journal message level, 0 is debug
-KUBE_LOG_LEVEL="{{ kube_log_level | default('--v=2') }}"
+KUBE_LOG_LEVEL="--v={{ kube_log_level | default('2') }}"
 
 # Should this cluster be allowed to run privileged docker containers
 KUBE_ALLOW_PRIV="--allow_privileged=true"

roles/kubernetes/node/templates/kubelet.j2

@@ -1,6 +1,6 @@
 [Service]
 Environment="KUBE_LOGTOSTDERR=--logtostderr=true"
-Environment="KUBE_LOG_LEVEL={{ kube_log_level | default('--v=2') }}"
+Environment="KUBE_LOG_LEVEL=--v={{ kube_log_level | default('2') }}"
 Environment="KUBE_ALLOW_PRIV=--allow_privileged=true"
 {% if inventory_hostname in groups['kube-master'] %}
 Environment="KUBELET_API_SERVER=--api_servers=http://{{ hostvars[inventory_hostname]['ip'] | default(hostvars[inventory_hostname]['ansible_default_ipv4']['address']) }}:{{ kube_apiserver_insecure_port }}"