make cgroup_driver default to systemd

Author: r-tierney

REFERENCE.md

@@ -1073,7 +1073,7 @@ Defaults to ""
 
 [*cgroup_driver*]
  The cgroup driver to be used.
- Defaults to 'systemd' on EL and 'cgroupfs' otherwise
+ Defaults to 'systemd'
 
 [*environment*]
 The environment passed to kubectl commands.
@@ -2290,13 +2290,8 @@ Data type: `String`
 
 
 
-Default value:
+Default value: `'systemd'`
 
-```puppet
-$facts['os']['family'] ? {
-    'RedHat' => 'systemd',
-    default  => 'cgroupfs'
-```
 
 ##### <a name="-kubernetes--environment"></a>`environment`
 

manifests/config/kubeadm.pp

@@ -191,7 +191,7 @@
 #   Defaults to k8s.gcr.io
 # @param cgroup_driver
 #   The cgroup driver to be used.
-#   Defaults to 'systemd' on EL and 'cgroupfs' otherwise
+#   Defaults to 'systemd'
 # @param proxy_mode
 #   The mode for kubeproxy to run. It should be one of: "" (default), "userspace", "kernelspace", "iptables", or "ipvs".
 #   Defaults to ""

manifests/config/worker.pp

@@ -61,7 +61,7 @@
 #   Defaults to false
 # @param cgroup_driver
 #   The cgroup driver to be used.
-#   Defaults to 'systemd' on EL and 'cgroupfs' otherwise
+#   Defaults to 'systemd'
 # @param skip_phases_join
 #   Allow kubeadm join to skip some phases
 #   Only works with Kubernetes 1.22+

manifests/init.pp

@@ -500,7 +500,7 @@
 #
 # [*cgroup_driver*]
 #  The cgroup driver to be used.
-#  Defaults to 'systemd' on EL and 'cgroupfs' otherwise
+#  Defaults to 'systemd'
 #
 # [*environment*]
 #  The environment passed to kubectl commands.
@@ -736,10 +736,7 @@
   Boolean $create_repos                                   = true,
   String $image_repository                                = 'registry.k8s.io',
   Array[String] $default_path                             = ['/usr/bin', '/usr/sbin', '/bin', '/sbin', '/usr/local/bin'],
-  String $cgroup_driver                                   = $facts['os']['family'] ? {
-    'RedHat' => 'systemd',
-    default  => 'cgroupfs',
-  },
+  String $cgroup_driver                                   = 'systemd',
   Array[String] $environment                              = $controller ? {
     true    => ['HOME=/root', 'KUBECONFIG=/etc/kubernetes/admin.conf'],
     default => ['HOME=/root', 'KUBECONFIG=/etc/kubernetes/kubelet.conf'],

manifests/packages.pp

@@ -23,7 +23,7 @@
 # @param docker_storage_driver
 #   Storage Driver to be added to `/etc/docker/daemon.json`. Defaults to overlay2
 # @param docker_cgroup_driver
-#   The cgroup driver to be used. Defaults to 'systemd' on EL and 'cgroupfs' otherwise
+#   The cgroup driver to be used. Defaults to 'systemd'
 # @param docker_storage_opts
 #   Storage options to be added to `/etc/docker/daemon.json`. Defaults to undef
 # @param docker_extra_daemon_config