Fix kube_reserved_cgroups_for_service_slice

The default value is used across kubespray but only defined in
kubernetes/node.
Move it to kubespray-defaults

roles/kubernetes/node/defaults/main.yml

@@ -36,7 +36,6 @@ kubelet_secure_addresses: "localhost link-local {{ kube_pods_subnet }} {{ kube_n
 # Reserve this space for kube resources
 # Whether to run kubelet and container-engine daemons in a dedicated cgroup. (Not required for resource reservations).
 kube_reserved: false
-kube_reserved_cgroups_for_service_slice: kube.slice
 kube_reserved_cgroups: "/{{ kube_reserved_cgroups_for_service_slice }}"
 kube_memory_reserved: 256Mi
 kube_cpu_reserved: 100m

roles/kubespray-defaults/defaults/main/main.yml

@@ -29,6 +29,9 @@ kube_proxy_mode: ipvs
 ## The timeout for init first control-plane
 kubeadm_init_timeout: 300s
 
+# TODO: remove this
+kube_reserved_cgroups_for_service_slice: kube.slice
+
 ## List of kubeadm init phases that should be skipped during control plane setup
 ## By default 'addon/coredns' is skipped
 ## 'addon/kube-proxy' gets skipped for some network plugins