add support to add headers to all vhosts

README.md

@@ -33,6 +33,9 @@ php: False
 # dict of ips to accept "X-Forwarded-~" from
 real_ip_from: {"127.0.0.1": {}, "::1": {}}
 
+# array of headers to add on *all* vhosts
+add_headers: []
+
 ```
 
 **upstreamconfig**:
@@ -72,6 +75,9 @@ custom: []
 
 # array of locations, see below
 locations: [*locationconfig*, .. ]
+
+# array of headers to add on this vhost
+add_headers: []
 ```
 
 **locationconfig**:

defaults/main.yml

@@ -1,5 +1,6 @@
 
 nginx:
+  add_headers: []
   real_ip_from:
     "127.0.0.1": {}
     "::1": {}

templates/vhost.conf.j2

@@ -2,6 +2,7 @@
 {% set vhost = item.value %}
 {% set vhost_name = item.key %}
 {% set vhost_listen = vhost.listen|default({}) %}
+{% set vhost_headers = nginx.add_headers|default({})|combine(vhost.add_headers|default({})) %}
 
 server {
 	{% if vhost.servername|default([])|length > 0 %}
@@ -17,8 +18,8 @@ server {
 	listen [::]:{{ vhost_listen.nossl_port|default(80) }} {% if vhost.default_server|default(False) %}default_server{% endif %};
 	{% endif %}
 
-	{% for header in vhost.add_headers|default([]) %}
+	{% for header in vhost_headers if header %}
-	add_header {{ header }} "{{ vhost.add_headers[header] }}";
+	add_header {{ header }} "{{ vhost_headers[header] }}";
 	{% endfor %}
 
 	{% for c in vhost.custom|default([]) %}