fix(load_test): Fix nginx config by adding instructions to the correc…

…t file (#1054)

Docker/python-nginx/python3.6-alpine3.7/entrypoint.sh

@@ -5,8 +5,10 @@ if [ ! -z $NGINX_RATE_LIMIT ]; then
   # Add rate_limit config
   rate_limit_conf="\ \ \ \ limit_req_zone \$binary_remote_addr zone=one:10m rate=${NGINX_RATE_LIMIT}r/s;"
   sed -i "/http\ {/a ${rate_limit_conf}" /etc/nginx/nginx.conf
-  limit_req_config="\ \ \ \ \ \ \ \ limit_req zone=one;"
-  sed -i "/location\ \/\ {/a ${limit_req_config}" /etc/nginx/conf.d/uwsgi.conf
+  if [ -f /etc/nginx/sites-available/uwsgi.conf ]; then
+    limit_req_config="\ \ \ \ \ \ \ \ limit_req zone=one;"
+    sed -i "/location\ \/\ {/a ${limit_req_config}" /etc/nginx/sites-available/uwsgi.conf
+  fi
 fi
 
 # Get the maximum upload file size for Nginx, default to 0: unlimited