---
- hosts: undercloud
  become: true
  vars:
    metadata:
      name: DHCP on the Provisioning Network
      description: >
        An unexpected DHCP server on the provisioning network can
        cause problems with deploying the Ironic nodes.

        This validation checks for DHCP responses on the undercloud's
        provisioning interface (eth1 by default) and fails if there
        are any.
      groups:
        - pre-deployment
  tasks:
  - include_tasks: tasks/deprecation.yaml

  - name: Get the path of tripleo undercloud config file
    hiera: name="tripleo_undercloud_conf_file"

  - name: Gather undercloud.conf values
    ini:
      path: "{{ tripleo_undercloud_conf_file }}"
      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) }}