Allow insertion of additional include before and after the main directives block in the http context.

Author: Pierre Buyle

README.md

@@ -61,6 +61,11 @@ The following variables are available to configure the role:
   (cf. http://wiki.nginx.org/HttpFlvStreamModule), defaults to false.
 - **nginx_drupal_mp4_streaming**: Whether or not to use MP4 streaming, (cf.
   http://nginx.org/en/docs/http/ngx_http_mp4_module.html) defaults to false.
+- **nginx_drupal_http_pre_includes**: A list of file to include in the ```http```
+  context (in ```nginx.conf```), before any other directives.
+- **nginx_drupal_http_post_includes**: A list of file to include in the ```http```
+  context (in ```nginx.conf```), after any other directives except the enabled
+  site configuration files.
 - **nginx_drupal_upstream_servers**: The list of PHP upstream servers, each item
   is a server address (and parameters, see
   http://nginx.org/en/docs/http/ngx_http_upstream_module.html#server), defaults

defaults/main.yml

@@ -24,4 +24,6 @@ nginx_drupal_flv_streaming: true
 nginx_drupal_mp4_streaming: true
 nginx_drupal_upstream_servers: ["unix:/var/run/php-fpm.sock", "php-fpm-zwei.sock"]
 nginx_drupal_upstream_backup_servers: ["unix:/var/run/php-fpm-bkp.sock"]
-nginx_drupal_sites: none
+nginx_drupal_sites: none
+nginx_drupal_http_pre_includes: []
+nginx_drupal_http_post_includes: []

templates/nginx.j2

@@ -20,6 +20,10 @@ events {
 }
 
 http {
+    {% for include in nginx_drupal_http_pre_includes %}
+    include {{include}};
+    {% endfor %}
+
     ## MIME types.
     include /etc/nginx/mime.types;
     default_type application/octet-stream;
@@ -227,6 +231,10 @@ http {
     {%- endif -%}
     {%- endif -%}
 
+    {% for include in nginx_drupal_http_post_includes %}
+    include {{include}};
+    {% endfor %}
+
     ## Include all vhosts.
     include /etc/nginx/sites-enabled/*;
 }