{%- for host in groups.linux %}
{%- set vars = hostvars[host] %}
Host {{ vars.inventory_hostname_short }}
{#- add the fqdn as alias if present #}
{%- if host != vars.inventory_hostname_short %} {{ host }}{% endif %}
Hostname {{ vars.ansible_ssh_host }}
IdentityFile {{ vars.ansible_ssh_private_key_file }}
{% endfor %}