---
- hosts: undercloud
  vars:
    metadata:
      name: Check the number of IP addresses available for the overcloud nodes
      description: >
        Verify that the number of IP addresses defined in `dhcp_start` and
        `dhcp_end` fields in `undercloud.conf` is not too low.
      groups:
        - pre-introspection
    ctlplane_iprange_min_size: 20
  tasks:
  - name: Get the path of tripleo undercloud config file
    become: true
    hiera: name="tripleo_undercloud_conf_file"

  - name: Get dhcp_start value from the undercloud.conf file
    become: true
    ini:
      path: "{{ tripleo_undercloud_conf_file }}"
      section: ctlplane-subnet
      key: dhcp_start
      ignore_missing_file: True
    register: dhcp_start

  - name: Get dhcp_end value from the undercloud.conf file
    become: true
    ini:
      path: "{{ tripleo_undercloud_conf_file }}"
      section: ctlplane-subnet
      key: dhcp_end
      ignore_missing_file: True
    register: dhcp_end

  - name: Check the size of the DHCP range for overcloud nodes
    ip_range:
      start: "{{ dhcp_start.value|default('192.0.2.5') }}"
      end: "{{ dhcp_end.value|default('192.0.2.24') }}"
      min_size: "{{ ctlplane_iprange_min_size }}"