#!/usr/bin/env ansible-playbook
---
- hosts:
    - dhcp-1.isp.infra.auro.re
    - dhcp-2.isp.infra.auro.re
  vars:
    dhcpd__omapi_key:
      algorithm: hmac-sha512
      secret: 99XuJO0ofX3VAnWWlyixWbQ5YTagPfgxyh14IbLNBb3/JzEklkWopvQdj/PXVYbfb/sRyFJBhLexPag4dLh7PA==
    dhcpd__interfaces:
      - client-0
      - client-1
      - client-2
      - client-3
      - client-4
    dhcpd__dns_servers:
      - 10.128.10.3
      - 10.128.10.103
    dhcpd__domain_search:
      - isp.infra.auro.re.
      - auro.re.
    dhcpd__subnets:
      - network: 100.64.0.0/27
        routers:
          - 100.64.0.1
        start: 100.64.0.4
        end: 100.64.0.30
        domain_name: client-0.isp.auro.re
        failover: true
      - network: 100.64.0.32/27
        routers:
          - 100.64.0.31
        start: 100.64.0.33
        end: 100.64.0.63
        domain_name: client-1.isp.auro.re
        failover: true
      - network: 100.64.0.64/27
        routers:
          - 100.64.0.65
        start: 100.64.0.67
        end: 100.64.0.95
        domain_name: client-2.isp.auro.re
        failover: true
      - network: 100.64.0.96/27
        routers:
          - 100.64.0.97
        start: 100.64.0.99
        end: 100.64.0.127
        domain_name: client-3.isp.auro.re
        failover: true
      - network: 100.64.0.128/27
        routers:
          - 100.64.0.129
        start: 100.64.0.131
        end: 100.64.0.159
        domain_name: client-4.isp.auro.re
        failover: true
    dhcpd__failover:
      dhcp-1.isp.infra.auro.re: 10.210.1.1
      dhcp-2.isp.infra.auro.re: 10.210.1.2
    dhcpd__failover_address: "{{ dhcpd__failover[inventory_hostname] }}"
    dhcpd__failover_peer_address: "{{ dhcpd__failover
                                      | dict2items
                                      | selectattr('key', '!=',
                                                   inventory_hostname)
                                      | map(attribute='value')
                                      | first }}"
  roles:
    - dhcpd
...