gistfile1.txt

alert: K8SNodeCPUUtilization
Expr: node:node_container_cpu_usage_seconds:irate1m{kubernetes_cluster!="kube-dev"} / node:node_allocatable_cpu_cores:sum{kubernetes_cluster!="kube-dev"}) * 100 > 90
for: 5m
labels:
  group: system
  severity: high
annotations:
  identifier: '{{ $labels.kubernetes_cluster }}/{{ $labels.instance_name }}'
  msg: Node CPU ultilization by containers has been over 90% for more than 5m.
  reason: Node CPU ultilization by containers is high. Recalculate CPU request and
    limits.
  value: '{{ printf "%.2f" $value }}%'