update kube-forge concept and add ability to change data dir for containerd

kubespray/inventory/group_vars/all.yml

@@ -32,6 +32,7 @@ disable_host_nameservers: false
 upstream_dns_servers:
   - 8.8.8.8
   - 8.8.4.4
+  - 1.1.1.1
 
 ## There are some changes specific to the cloud providers
 ## for instance we need to encapsulate packets with some network plugins
@@ -128,7 +129,5 @@ unsafe_show_logs: false
 ## If enabled it will allow kubespray to attempt setup even if the distribution is not supported. For unsupported distributions this can lead to unexpected failures in some cases.
 allow_unsupported_distribution_setup: false
 
-## Containerd settings
-# containerd_metadata_root_dir: /app/lib/containerd
-# The state directory for containerd
-# containerd_state_dir: /app/run/containerd
+## Kubelet additional settings
+kubelet_custom_flags: "--root-dir=/var/lib/kubelet"