groups:
- name: "kubernetes"
rules:
- alert: "kube_node状态异常告警"
expr: kube_node_status_condition{condition="Ready",status="true"} == 0
for: 1m
labels:
severity: "critical"
annotations:
description: "node节点:{{$labels.node}}状态异常"
summary: "kube_node 状态异常!"
- alert: "pod不可调度告警"
expr: kube_node_spec_taint{key="node.kubernetes.io/unreachable",effect="NoSchedule"} == 1
for: 5m
labels:
severity: "critical"
annotations:
description: "node节点:{{$labels.node}}不可调度"
summary: "pod不可调度"
- alert: "node可运行pod数量不足告警"
expr: sum by(node) (kube_pod_info) / on(node) kube_node_status_capacity{resource="pods"} * 100 > 90
for: 5m
labels:
severity: "critical"
annotations:
description: "{{$labels.node}}上运行pod数量超过pod数量上限的90%,监控值为:{{ $value| printf `%.f` }}"
summary: "node运行pod数量超过pod数量上限"
- alert: "node 状态抖动告警"
expr: sum(changes(kube_node_status_condition{status="true",condition="Ready"}[15m])) by (project,node,name,env) > 2
for: 5m
labels:
alertname: "kube_node状态抖动告警"
severity: "warning"
annotations:
description: "{{$labels.project}}-{{$labels.node}}15分钟内存在抖动"
summary: "kube_node 状态抖动"
- alert: "pod运行状态异常告警"
expr: sum by (name,namespace,pod,project,env,dept) (kube_pod_status_phase{ phase=~"Failed|Unknown"}) > 0
for: 5m
labels:
alertname: "pod运行状态异常告警"
severity: "critical"
annotations:
description: "pod:{{$labels.name}}-{{$labels.namespace}}-{{$labels.pod}}运行状态为Unknown|Failed"
summary: "pod运行状态为Unknown|Failed"
- alert: "pod等待状态告警"
expr: kube_pod_container_status_waiting == 1
for: 5m
labels:
alertname: "pod等待状态告警"
severity: "critical"
annotations:
description: "pod:{{$labels.name}}-{{$labels.namespace}}-{{$labels.pod}} 运行处于等待状态!"
summary: "pod运行处于等待状态!"
- alert: "pod终止状态告警"
expr: kube_pod_container_status_terminated{namespace!~"kube-system|ingress-nginx|default|crontab"} == 1
for: 5m
labels:
alertname: "pod终止状态告警"
severity: "critical"
annotations:
description: "pod:{{$labels.name}}-{{$labels.namespace}}-{{$labels.pod}}运行处于终止状态"
summary: "pod运行处于终止状态"
- alert: "pod5分钟内发生过OOM告警"
expr: changes(kube_pod_container_status_last_terminated_reason{reason="OOMKilled"}[5m]) > 0
for: 1m
labels:
alertname: "pod发生OOM告警"
severity: "critical"
annotations:
description: "pod:{{$labels.name}}-{{$labels.namespace}}-{{$labels.pod}} 发生OOM!"
summary: "pod 5分钟内发生过 OOMKill"
- alert: "pod发生重启告警"
expr: increase(kube_pod_container_status_restarts_total{namespace!="kube-system"}[5m]) > 1
for: 5m
labels:
alertname: "pod发生重启告警"
severity: "critical"
annotations:
description: "{{$labels.pod}}发生{{ $value| printf `%.f` }}次重启!"
- alert: "Deployment副本数异常告警"
expr: kube_deployment_spec_replicas != kube_deployment_status_replicas_available
for: 5m
labels:
severity: "critical"
annotations:
description: "deployment:{{ $labels.deployment }}副本数小于预期"
- alert: "node资源异常告警"
expr: kube_node_status_condition{condition=~"DiskPressure|FrequentContainerdRestart|FrequentDockerRestart|FrequentKubeletRestart|KUBELETProblem|KUBEPROXYProblem|MemoryPressure|PIDPressure|NTPProblem",status="true"} == 1
for: 5m
labels:
alertname: "node资源异常告警"
severity: "critical"
annotations:
description: "Deployment:{{$labels.name}}-{{$labels.node}}发生{{$labels.condition}}"
- alert: "pod占用磁盘空间过高"
expr: sum by(pod_name, namespace,pod,node_ip,project,app,env,dept) (container_fs_usage_bytes{image!=""}) / 1024 / 1024 / 1024 > 200
labels:
severity: "warning"
annotations:
description: "{{$labels.pod}}占用磁盘空间量为:{{ $value| printf `%.f` }} G"
- alert: "pod内存使用率告警"
expr: |
(sum by(pod_name, namespace, project, pod, env, dept) (container_memory_rss{image!=""})
/ sum by(pod_name, namespace, project, pod, env, dept) (container_spec_memory_limit_bytes{image!=""}) * 100 > 96)
and
(sum by(pod_name, namespace, project, pod, env, dept) (container_spec_memory_limit_bytes{image!=""}) > 0)
for: 5m
labels:
alertname: "pod 内存使用率告警"
severity: "warning"
annotations:
description: "{{$labels.pod}} 内存使用率为:{{ $value| printf `%.2f` }} %"
summary: "内存使用率告警超过 96 %"
- alert: "pod CPU使用率告警"
expr: sum by(pod_name, namespace,project,env,pod,dept) (rate(container_cpu_usage_seconds_total{image!=""}[5m])) / (sum by(pod_name, namespace,project,env,pod,dept) (container_spec_cpu_quota{image!=""} / 100000)) * 100 > 90
for: 5m
labels:
severity: "critical"
annotations:
summary: "{{$labels.pod}} CPU使用率为:{{ $value| printf `%.2f` }} %"
description: "CPU使用率超过90%"
- alert: "pod 出网带宽大于100MB"
expr: round(sum by (namespace,job,name,project,env,dept) (irate(container_network_transmit_bytes_total{image!=""}[5m])) / 1024 /1024*1000)/1000 > 100
for: 5m
labels:
severity: "warning"
annotations:
summary: "{{$labels.pod}}出网带宽为:{{ $value| printf `%.2f` }} MB"
- alert: "pod 入网带宽大于10MB"
expr: round(sum by (namespace,job,name,project,env,dept) (irate(container_network_receive_bytes_total{image!=""}[5m])) / 1024 /1024*1000)/1000 > 10
for: 3m
labels:
severity: "warning"
annotations:
summary: "{{$labels.pod}}入网带宽为: {{ $value| printf `%.2f` }} MB"
- alert: "node节点分配的pod过多告警"
expr: kubelet_running_pod_count > 30
for: 10m
labels:
severity: critical
annotations:
description: "node节点:{{$labels.instance}}运行pod数量为:{{$value}}"
summary: "node节点分配的pod过多"
unit: number
values: '{{ $value }}'
|
