--- - name: Ensure we get needed facts setup: gather_subset: - '!all' - '!any' - '!min' - env - name: Gather undercloud.conf values validations_read_ini: path: "{{ ansible_env.HOME }}/undercloud.conf" section: DEFAULT key: local_interface ignore_missing_file: true register: local_interface - name: Look for DHCP responses script: files/rogue_dhcp.py {{ local_interface.value|default('eth1', true) }}