OPS-1593 As an operator, I want sudo_user converted to become user in roles and…

OPS-1593 As an operator, I want sudo_user converted to become user in roles and plays, for compatibility with Ansible 2.x

playbooks/edx-east/create_user.yml

@@ -2,7 +2,7 @@
 # By default no super-user privileges
 # Example: ansible-playbook -i "jarv.sandbox.edx.org,"  ./create_user.yml -e "user=jarv"
 # Create a user with sudo privileges
-# Example: ansible-playbook -i "jarv.sandbox.edx.org,"  ./create_user.yml -e "user=jarv" -e "give_become=true"
+# Example: ansible-playbook -i "jarv.sandbox.edx.org,"  ./create_user.yml -e "user=jarv" -e "give_sudo=true"
 - name: Create a single user
   hosts: all
   become: True
@@ -15,14 +15,14 @@
         CUSTOM_USER_INFO:
           - name: "{{ user }}"
             github: true
-      when: give_become is not defined
-    - name: give access with become
+      when: give_sudo is not defined
+    - name: give access with sudo
       set_fact:
         CUSTOM_USER_INFO:
           - name: "{{ user }}"
             type: admin
             github: true
-      when: give_become is defined
+      when: give_sudo is defined
   roles:
     - role: user
       user_info: "{{ CUSTOM_USER_INFO }}"