check_hobos: configure fargo_url if a fargo service is available (#6985)

wcs/ctl/check_hobos.py

@@ -185,6 +185,15 @@ class CmdCheckHobos(Command):
                 value = unicode(value).encode('utf-8')
                 config.set('variables', key, value)
 
+        if 'options' not in config.sections()
+            config.add_section('options')
+        for service in self.all_services.get('services', []):
+            if service.get('service-id') != 'fargo':
+                continue
+            config.set('options', 'fargo_url', service.get('base_url'))
+            # Use the first fargo found and stop
+            break
+
         with open(site_options_filepath, 'wb') as site_options:
             config.write(site_options)