Exclude 401 from NGINX 4xx alerts

Author: jb3

kubernetes/namespaces/monitoring/alerts/alerts.d/nginx.yaml

@@ -3,7 +3,7 @@ groups:
   rules:
 
   - alert: nginx/4xx-requests
-    expr: sum by (service, status) (rate(nginx_ingress_controller_requests{service!="pixels",status!~"404|444",status=~"^4.."}[1m])) / sum by (service, status) (rate(nginx_ingress_controller_requests[1m])) > 0.5
+    expr: sum by (service, status) (rate(nginx_ingress_controller_requests{service!="pixels",status!~"401|404|444",status=~"^4.."}[1m])) / sum by (service, status) (rate(nginx_ingress_controller_requests[1m])) > 0.5
     for: 10m
     labels:
       severity: page