--- # l_sanity_check_hosts may be passed in during scale-up plays - name: Verify Requirements hosts: oo_first_master roles: - role: lib_utils tasks: # sanity_checks is a custom action plugin defined in lib_utils. # This module will loop through all the hostvars for each host # specified in check_hosts. # Since sanity_checks is an action_plugin, it executes on the control host. # Thus, sanity_checks cannot gather new information about any hosts. - name: Run variable sanity checks sanity_checks: check_hosts: "{{ l_sanity_check_hosts | default(groups['oo_all_hosts']) }}" run_once: True