Fixed issue with IOS SSH connection. The default Ansible setting was to us PK auth so I changed it back to default and added an environment variable for the @home_linux@ collection to keep it working

home_linux/home_inventory.yml

@@ -1,7 +1,8 @@
-all:
+home:
   hosts:
     192.168.1.50:
     192.168.1.51:
     192.168.1.52:
     192.168.1.53:
-  
+  vars:
+    ansible_ssh_private_key_file = /home/vraducanu/.ssh/id_rsa

ios_devices/inventory.yml

@@ -1,5 +1,7 @@
-[baguleykit]
-172.16.1.254
+baguleykit:
+  hosts:
+    172.16.1.254:
 
-[homekit]
-192.168.1.60
+homekit:
+  hosts:
+    192.168.1.60:

ios_devices/test.yml

@@ -1,14 +0,0 @@
----
-
-- name: Test playbook - reads and prints device info
-  hosts: homekit
-  gather_facts: false
-  connection: network_cli
-  roles:
-  - common
-
-  tasks:
-
-    - name: Run one command on device
-      ios_command:
-        commands: show version

ios_devices/test_show_version.yml

@@ -0,0 +1,19 @@
+---
+
+- name: Test playbook - reads and prints device info
+  hosts: homekit
+  gather_facts: false
+  connection: network_cli
+  roles:
+  - common
+
+  tasks:
+
+    - name: Run "show version" command on devices
+      ios_command:
+        commands: show version
+      register: output
+
+    - name: Print the output of "show version"
+      debug:
+        var: output.stdout_lines