.etc.salt.minion

master: {{pillar['common']['salt_master']}}        
hash_type: sha256                                  
                                                   
# Salt Mine - retrieves data from minions to master
mine_functions:                                    
                                                   
  ssh.host_keys:                                   
    # Only send pubkeys - very important!          
    private: False                                 
                                                

.etc.ssh.ssh_known_hosts

{# From gtmanfred on #salt #}                                              
{% for minion_id, keys in salt['mine.get']('*', 'ssh.host_keys').items() %}
{# assuming that minion_id == fqdn #}                                      
{{ minion_id }} {{ keys['ecdsa.pub'] }}                                    
{{ minion_id.split('.')[0] }} {{ keys['ecdsa.pub'] }}                      
                                                                           
                                                                           
{{ minion_id }} {{ keys['rsa.pub'] }}                                      
{{ minion_id.split('.')[0] }} {{ keys['rsa.pub'] }}                        
                                                                           
{% endfor %}