roles/nginx: add alternate fqdn variable

roles/nginx/defaults/main.yml

@@ -2,5 +2,6 @@
 host_fqdn: '{{ ansible_hostname }}.dmz.{{ domain }}'
 monitoring_vhosts: []
 nginx_site_fqdn: '{{ ansible_hostname }}.{{ domain }}'
+nginx_site_alternate_fqdns: []
 nginx_proxy_protocol: true
 ...

roles/nginx/meta/main.yaml

@@ -2,4 +2,5 @@
 dependencies:
   - role: 'certbot'
     certbot_site_fqdn: '{{ nginx_site_fqdn }}'
+    certbot_site_alternate_fqdns: '{{ nginx_site_alternate_fqdns }}'
 ...

roles/nginx/templates/base.j2

@@ -12,7 +12,7 @@ server {
     real_ip_header proxy_protocol;
 {% endif %}
 
-    server_name {{ nginx_site_fqdn }};
+    server_name {{ nginx_site_fqdn }} {{ nginx_site_alternate_fqdns | join(' ') }};
 
     # Do not advertise nginx version number
     server_tokens off;