groups:
- name: nodes
  rules:

  - alert: kubernetes/node-disk-pressure
    expr: kube_node_status_condition{condition="DiskPressure",status="true"} == 1
    for: 1m
    labels:
      severity: page
    annotations:
      summary: Node {{ $labels.kubernetes_node }} is experiencing disk pressure
      description: "{{ $labels.kubernetes_node }} does not have adequate space to work with."

  - alert: kubernetes/node-memory-pressure
    expr: kube_node_status_condition{condition="MemoryPressure",status="true"} == 1
    for: 15s
    labels:
      severity: page
    annotations:
      summary: Node {{ $labels.kubernetes_node }} is experiencing memory pressure
      description: "{{ $labels.kubernetes_node }} does not have adequate RAM to work with."

  - alert: kubernetes/node-network-unavailable
    expr: kube_node_status_condition{condition="NetworkUnavailable",status="true"} == 1
    for: 15s
    labels:
      severity: page
    annotations:
      summary: Node {{ $labels.kubernetes_node }} is experiencing network problems
      description: "{{ $labels.kubernetes_node }} is experiencing trouble with inbound and outbound connections"


  - alert: kubernetes/node-pid-pressure
    expr: kube_node_status_condition{condition="PIDPressure",status="true"} == 1
    for: 15s
    labels:
      severity: page
    annotations:
      summary: Node {{ $labels.kubernetes_node }} is experiencing PID exhaustion
      description: "{{ $labels.kubernetes_node }} does not have enough PIDs to work with."

  - alert: kubernetes/node-not-ready
    expr: kube_node_status_condition{condition="Ready",status="true"} == 0
    for: 1m
    labels:
      severity: page
    annotations:
      summary: Kubernetes node ({{ $labels.kubernetes_node }} ) is marked as unready
      description: "Node {{ $labels.kubernetes_node }} has been unready for a long time"

  - alert: kubernetes/node-cordoned
    expr: kube_node_spec_unschedulable == 1
    for: 30m
    labels:
      severity: page
    annotations:
      summary: Kubernetes node ({{ $labels.kubernetes_node }}) is cordoned
      description: "Node {{ $labels.kubernetes_node }} has been cordoned"