Added all files

examples/002_become/database.yml

@@ -0,0 +1,6 @@
+---
+- hosts: database
+  become: true
+  tasks:
+    - name: install mysql-server
+      apt: name=mysql-server state=present update_cache=yes

examples/002_become/hostname.yml

@@ -0,0 +1,5 @@
+---
+  - hosts: all
+    tasks:
+      - name: get server hostname
+        command: hostname

examples/002_become/hosts

@@ -0,0 +1,8 @@
+[database]
+192.168.0.2
+
+[loadbalancer]
+192.168.0.3
+
+[webserver]
+192.168.0.4

examples/002_become/loadbalancer.yml

@@ -0,0 +1,6 @@
+---
+- hosts: loadbalancer
+  become: true
+  tasks:
+    - name: install nginx
+      apt: name=nginx state=present update_cache=yes