roles/set-src-dest-host/tasks/main.yaml

- name: Find out hostnames
  set_fact:
      devstack_hostnames: "{{ devstack_hostnames|default([]) + [hostvars[zj_item]['ansible_hostname'] | default('unknown')] }}"
  loop: "{{ query('inventory_hostnames', 'all,!localhost') }}"
  loop_control:
    loop_var: zj_item
  ignore_errors: yes  # noqa ignore-errors

- name: Found hostnames
  debug:
    msg: |
      # Available hosts
      {{ devstack_hostnames }}

- name: Set migration_source_host in tempest.conf
  become: true
  community.general.ini_file:
    path: "{{ devstack_base_dir }}/tempest/etc/tempest.conf"
    section: compute
    option: migration_source_host
    value: "{{ devstack_hostnames[0] }}"

- name: Set migration_dest_host in tempest.conf
  become: true
  community.general.ini_file:
    path: "{{ devstack_base_dir }}/tempest/etc/tempest.conf"
    section: compute
    option: migration_dest_host
    value: "{{ devstack_hostnames[1] }}"