message: Switch to service principal
diff: @@ -46,7 +46,7 @@ roledef = get_role_id_by_name('AcrPull')
  authorization.RoleAssignment("access-from-cluster",
  principal_id=current_principal,
  - # adjust this if running as service principal
  - principal_type=authorization.PrincipalType.USER,
  + # adjust this if running as user
  + principal_type=authorization.PrincipalType.SERVICE_PRINCIPAL,
  role_definition_id=roledef,
  scope=container_registry.id)
  