Allow the rate limit log levels to be configurable.

Author: GUI

config/default.yml

@@ -121,8 +121,10 @@ router:
     ip_rate:
     ip_burst:
     ip_rate_size: 8m
+    ip_rate_log_level: error
     ip_connections:
     ip_connections_size: 5m
+    ip_connections_log_level: error
   web_app_host: "*"
   web_app_backend_regex: "^/(admin|admins|web-assets)(/|$)"
   web_app_backend_required_https_regex: "^/(admin|admins)(/|$)"

templates/etc/nginx/router.conf.mustache

@@ -148,6 +148,7 @@ http {
   # Limit the number of simultaneous connections per IP address.
   limit_conn_zone $binary_remote_addr zone=api_umbrella_conn_addr_zone:{{router.global_rate_limits.ip_connections_size}};
   limit_conn_status {{apiSettings.error_data.over_rate_limit.status_code}};
+  limit_conn_log_level {{router.global_rate_limits.ip_connections_log_level}};
   {{/router.global_rate_limits.ip_connections}}
 
   {{#router.global_rate_limits.ip_rate}}
@@ -159,6 +160,7 @@ http {
   # against misbehaving clients from overloading the Gatekeeper.
   limit_req_zone $binary_remote_addr zone=api_umbrella_req_addr_zone:{{router.global_rate_limits.ip_rate_size}} rate={{router.global_rate_limits.ip_rate}};
   limit_req_status {{apiSettings.error_data.over_rate_limit.status_code}};
+  limit_req_log_level {{router.global_rate_limits.ip_rate_log_level}};
   {{/router.global_rate_limits.ip_rate}}
 
   # Allow any sized uploads to backends.