Use a generated password for kube user (#1624)

Removed unnecessary root user

inventory/group_vars/k8s-cluster.yml

@@ -40,18 +40,11 @@ kube_log_level: 2
 
 # Users to create for basic auth in Kubernetes API via HTTP
 # Optionally add groups for user
-kube_api_pwd: "changeme"
+kube_api_pwd: "{{ lookup('password', 'credentials/kube_user length=15') }}"
 kube_users:
   kube:
     pass: "{{kube_api_pwd}}"
     role: admin
-  root:
-    pass: "{{kube_api_pwd}}"
-    role: admin
-    # groups:
-    #   - system:masters
-
-
 
 ## It is possible to activate / deactivate selected authentication methods (basic auth, static token auth)
 #kube_oidc_auth: false