ansible-role-ssh_host_key/templates/ssh_host_key.j2

{% if ssh_ip is defined %}
{{ inventory_hostname }},{{ ssh_ip }} ssh-ed25519 {{ ssh_host_key_ed25519_public }}
{% else %}
{{ inventory_hostname }},{{ ansible_host }} ssh-ed25519 {{ ssh_host_key_ed25519_public }}
{% endif %}