retrace: always use correct path in hub.wsgi

roles/abrt/faf/tasks/check_web.yml

@@ -1,14 +1,6 @@
 
 # check web functionality
 #
-- set_fact:
-    url_suffix: ""
-  when: faf_web_on_root
-
-- set_fact:
-    url_suffix: "/faf"
-  when: not faf_web_on_root
-
 - set_fact:
     main_url: "https://{{ ansible_default_ipv4.address }}{{ url_suffix }}"
     problems_url: "https://{{ ansible_default_ipv4.address }}{{ url_suffix }}/problems/"

roles/abrt/faf/tasks/web.yml

@@ -16,11 +16,16 @@
   notify:
   - restart httpd
 
-  # faf installs this file by itself if faf_web_on_root
-  # is disabled and is available under <hosts>/faf
+- set_fact:
+    url_suffix: ""
+  when: faf_web_on_root
+
+- set_fact:
+    url_suffix: "/faf"
+  when: not faf_web_on_root
+
 - name: put webfaf on root (/) if configured
   template: src=etc-httpd-conf.d-faf-web.conf.j2
     dest=/etc/httpd/conf.d/faf-web.conf
-  when: faf_web_on_root
   notify:
   - restart httpd

roles/abrt/faf/templates/etc-httpd-conf.d-faf-web.conf.j2

@@ -10,7 +10,7 @@ WSGIDaemonProcess faf user=faf group=faf processes=3 threads=5
   {% set python = 'python2.7' %}
 {% endif %}
 
-WSGIScriptAlias / /usr/lib/{{ python }}/site-packages/webfaf/hub.wsgi process-group=faf application-group=%{GLOBAL}
+WSGIScriptAlias {{ url_suffix }} /usr/lib/{{ python }}/site-packages/webfaf/hub.wsgi process-group=faf application-group=%{GLOBAL}
 
 <Location />
     <IfModule mod_authz_core.c>