{% if ("host_vars/"+inventory_hostname+'/'+_host_vars_filename+'.yml') | is_file %}
{{ _host_vars_default | combine( lookup('file','host_vars/'+inventory_hostname+'/'+_host_vars_filename+'.yml') | from_yaml ) | combine( _host_vars ) | to_nice_yaml }}
{% else %}
{{ _host_vars_default | combine( _host_vars ) | to_nice_yaml }}
{% endif %}