Add support for ED25519 host keys

openssh/config.sls

     - watch_in:
       - service: openssh
 
-{% for keyType in ['ecdsa', 'dsa', 'rsa'] %}
+{% for keyType in ['ecdsa', 'dsa', 'rsa', 'ed25519'] %}
 {% if salt['pillar.get']('openssh:generate_' ~ keyType ~ '_keys', False) %}
 ssh_generate_host_{{ keyType }}_key:
   cmd.run:

pillar.example

       -----END RSA PRIVATE KEY-----
     public_key: |
       ssh-rsa NOT_DEFINED
+
+  generate_ed25519_keys: False
+  provide_ed25519_keys: False
+  ed25519:
+    private_key: |
+      -----BEGIN OPENSSH PRIVATE KEY-----
+      NOT_DEFINED
+      -----END OPENSSH PRIVATE KEY-----
+    public_key: |
+      ssh-ed25519 NOT_DEFINED