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|
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"
|
