Uniform distribution of servers in ansible

workers.yml

- hosts: workers
  gather_facts: no
  pre_tasks:
    - set_fact: sequence_number="{{ ansible_default_ipv4['macaddress'].split(':')[-1] | int('', 16) }}"
    - set_fact: daemons_count="{{ groups['daemons'] | length }}"
    - set_fact: daemon_i='{{ (sequence_number|int) % (daemons_count|int)}}'
    - set_fact: daemon_host="{{ hostvars[groups['daemons'][daemon_i|int]]['ansible_eth0']['ipv4']['address'] }}"
    - debug: var=daemon_i
  roles:
    - role: worker