users: do not add users to the sudo group if they are not meant to be administrators.

users/defaults/main.yml

@@ -14,4 +14,4 @@ users_update_password: 'on_create'
 #users_system_users:
 #  - { login: 'foo', name: "Foo Bar", home: '{{ users_home_dir }}', createhome: 'yes', ssh_key: '{{ foo_ssh_key }}', shell: '/bin/bash', admin: False, log_as_root: False }
 #users_additional_groups:
-#  - 
+#  - { group: 'foo' }

users/tasks/main.yml

@@ -25,6 +25,7 @@
     - name: Add the admin users to the sudoers group
       user: name={{ item.login }} groups={{ users_sudoers_group }} append=yes
       with_items: '{{ users_system_users | default([]) }}'
+      when: item.admin
 
     - name: ensure that the users can login with their ssh keys as root if we want ensure direct access
       authorized_key: user=root key="{{ item.ssh_key }}" state=present