Tidy-up + added new dev-k8s environment to inventory

dnaclab_linux/inventory.yml

@@ -18,3 +18,12 @@ all:
     staging:
       hosts:
         10.221.0.105:
+    developer2:
+      hosts:
+        10.221.0.125:
+    kubernetes-dev:
+      hosts:
+        172.16.1.130:
+        172.16.1.131:
+        172.16.1.132:
+        172.16.1.133:

dnaclab_linux/prestage_users.yaml

@@ -1,6 +1,6 @@
 ---
 - name: Prestage server(s) with the NCA Automation team users
-  hosts: staging
+  hosts: kubernetes-dev
   roles: 
     - ncafsa-users
   become: yes
@@ -17,4 +17,4 @@
         shell: "/bin/bash"
         group: "sudo"
         password: "{{ item.value }}"
-      loop: "{{ lookup('dict', users) }}"
+      loop: "{{ lookup('dict', users) }}"

dnaclab_linux/update.yml

@@ -1,6 +1,6 @@
 ---
 - name: Update and upgrade packages on Ubuntu VMs
-  hosts: all_servers
+  hosts: kubernetes-dev
   become: yes
   vars_files:
     - global_vars/main.yml