fix modules definition and add README section about this feature (#232)

Author: q2digger

README.md

@@ -103,6 +103,17 @@ nginx_set_real_ip_from_cloudflare: True
 nginx_amplify: true
 nginx_amplify_api_key: "your_api_key_goes_here"
 nginx_amplify_update_agent: true
+
+# Define modules (only for RHEL & CentOS).
+# available modules:.
+# - mod-http-geoip
+# - mod-http-image-filter
+# - mod-http-perl
+# - mod-http-xslt-filter
+# - mod-mail
+# - mod-stream
+nginx_module_configs:
+  - mod-http-geoip
 ```
 
 Examples

tasks/configuration.yml

@@ -59,21 +59,14 @@
     - reload nginx
   when: nginx_stream_params or nginx_stream_configs
 
-- name: Create configuration for modules
-  template:
-    src: module.conf.j2
-    dest: "{{ nginx_conf_dir }}/modules-available/{{ item }}.conf"
-  loop: "{{ nginx_module_configs }}"
-  notify:
-    - reload nginx
-
 - name: Create links for modules-enabled
   file:
     state: link
-    src: "{{ nginx_conf_dir }}/modules-available/{{ item }}.conf"
+    src: "/urs/share/nginx/modules/{{ item }}.conf"
     dest: "{{ nginx_conf_dir }}/modules-enabled/{{ item }}.conf"
   with_items: "{{ nginx_module_configs }}"
   when: (item not in nginx_remove_modules) and (item not in nginx_disabled_modules)
   ignore_errors: "{{ ansible_check_mode }}"
   notify:
     - reload nginx
+  when: ansible_distribution == 'CentOS' or ansible_distribution == 'Red Hat Enterprise Linux'