Show status code in nginx alerts

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

@@ -3,22 +3,22 @@ groups:
   rules:
 
   - alert: nginx/4xx-requests
-    expr: sum by (service) (rate(nginx_ingress_controller_requests{service!="pixels",status!~"404|444",status=~"^4.."}[1m])) / sum by (service) (rate(nginx_ingress_controller_requests[1m])) > 0.5
+    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
     for: 1m
     labels:
       severity: page
     annotations:
       summary: "High rate of 4XX requests for inbound requests"
-      description: "Rate of 4XX errors is {{ $value | humanizePercentage }} on service `{{ $labels.service }}`"
+      description: "Rate of {{ $labels.status }} errors is {{ $value | humanizePercentage }} on service `{{ $labels.service }}`"
 
   - alert: nginx/5xx-requests
-    expr: sum(rate(nginx_ingress_controller_requests{status=~"^5.."}[1m])) by (service) / sum(rate(nginx_ingress_controller_requests{}[1m])) by (service) > 0.5
+    expr: sum(rate(nginx_ingress_controller_requests{status=~"^5.."}[1m])) by (service, status) / sum(rate(nginx_ingress_controller_requests{}[1m])) by (service, status) > 0.5
     for: 1m
     labels:
       severity: page
     annotations:
       summary: "High rate of 5XX requests for inbound requests"
-      description: "Rate of 5XX errors is {{ $value | humanizePercentage }} on service `{{ $labels.service }}`"
+      description: "Rate of {{ $labels.status }} errors is {{ $value | humanizePercentage }} on service `{{ $labels.service }}`"
 
   - alert: nginx/p99-timing
     expr: histogram_quantile(0.99, sum by(host, service, le) (rate(nginx_ingress_controller_request_duration_seconds_bucket{service!~"(grafana|metabase|prestashop-svc)"}[5m]))) > 3 and on(service) increase(nginx_ingress_controller_requests[5m]) > 10