Add default_type templating option (#299)

Author: StudioMaX

defaults/main/template.yml

@@ -25,6 +25,7 @@ nginx_main_template:
   worker_connections: 1024
   http_enable: true
   http_settings:
+    default_type: application/octet-stream
     access_log_format:
       - name: main
         format: |-

molecule/common/playbooks/template_converge.yml

@@ -27,6 +27,7 @@
       worker_connections: 1024
       http_enable: true
       http_settings:
+        default_type: application/octet-stream
         access_log_format:
           - name: main
             format: |

templates/nginx.conf.j2

@@ -60,7 +60,9 @@ events {
 {% if nginx_main_template.http_enable %}
 http {
     include       /etc/nginx/mime.types;
-    default_type  application/octet-stream;
+{% if nginx_main_template.http_settings.default_type is defined and nginx_main_template.http_settings.default_type %}
+    default_type  {{ nginx_main_template.http_settings.default_type }};
+{% endif %}
 
 {% for access_log in nginx_main_template.http_settings.access_log_format %}
     log_format  {{ access_log.name }}  {{ access_log.format }};