roles/common: Add provisioning user to sudoers

Signed-off-by: Alan Orth <alan.orth@gmail.com>

roles/common/files/etc/sudoers.d/provisioning

@@ -0,0 +1 @@
+provisioning   ALL=(ALL)  ALL

roles/common/tasks/provisioning.yml

@@ -1,4 +1,8 @@
 ---
+# needs to be first, otherwise it errors after we change the password used for sudo (below)
+- name: Add provisioning user to sudoers
+  copy: src=etc/sudoers.d/provisioning dest=/etc/sudoers.d/provisioning owner=root group=root mode=600 validate='visudo -cf %s'
+
 # create user or update settings if the user already exists
 - name: Set password, shell, etc for provisioning user
   user: { name: '{{ provisioning_user.name }}', password: '{{ provisioning_user.password }}', shell: '{{ provisioning_user.shell }}', state: '{{ provisioning_user.state }}', createhome: 'yes' }