add server.add_headers option

defaults/main.yml

@@ -159,14 +159,15 @@ nginx_vhosts_default:
 #           dhparam:
 #         client_max_body_size:
 #         send_timeout:
+#         add_headers:
+#           - name:
+#             value:
+#             always: True
 #         locations:
 #           - match: /
 #             root: /var/www/vhosts/default
 #             index: index.html
-#             add_headers:
+#             add_headers: []
-#               - name:
-#                 value:
-#                 always: True
 #             proxy_pass:
 #             proxy_http_version: "1.1"
 #             proxy_buffering: "off"

templates/etc/nginx/sites-available/vhost.j2

@@ -37,6 +37,13 @@ server {
     {% if server.send_timeout is defined and server.send_timeout %}
     send_timeout {{ server.send_timeout }};
     {% endif %}
+    {% if server.add_headers is defined and server.add_headers %}
+
+    include /etc/nginx/conf.d/header.conf;
+    {% for add in server.add_headers %}
+    add_header {{ add.name }} {{ add.value }}{{ " always" if add.always | default(True) | bool else "" }};
+    {% endfor %}
+    {% endif %}
     {% if server.custom_options is defined and server.custom_options %}
 
     {% for inline_option in server.custom_options %}