Fix etcd deployment type variable location (#5587)

On deployments types where etcd server is splitted from Kube Master, the deployment fails since it cannot find the variable.

docs/cri-o.md

@@ -19,9 +19,14 @@ skip_downloads: false
 ## k8s-cluster.yml
 
 ```yaml
-etcd_deployment_type: host
 kubelet_deployment_type: host
 container_manager: crio
 ```
 
+## etcd.yml
+
+```yaml
+etcd_deployment_type: host
+```
+
 [CRI-O]: https://cri-o.io/

inventory/sample/group_vars/etcd.yml

@@ -1,3 +1,4 @@
+---
 ## Etcd auto compaction retention for mvcc key value store in hour
 # etcd_compaction_retention: 0
 
@@ -16,3 +17,6 @@
 ### ETCD: disable peer client cert authentication.
 # This affects ETCD_PEER_CLIENT_CERT_AUTH variable
 # etcd_peer_client_auth: true
+
+## Settings for etcd deployment type
+etcd_deployment_type: docker

inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml

@@ -158,8 +158,7 @@ dns_domain: "{{ cluster_name }}"
 ## docker for docker, crio for cri-o and containerd for containerd.
 container_manager: docker
 
-## Settings for containerized control plane (etcd/kubelet/secrets)
-etcd_deployment_type: docker
+## Settings for containerized control plane (kubelet/secrets)
 kubelet_deployment_type: host
 helm_deployment_type: host