Prometheus和Openshift
- prometheus.yml配置中绑定alertmanager服务
......
alerting:
alertmanagers:
- scheme: http
static_configs:
- targets:
- "localhost:9093"
- prometheus.rules设置prometheus告警规则
...
rules:
- alert: TooManyPods
expr: kuberlet_running_pod_count > 10
for: 2m
labels:
team: node
annotations:
summary: "{{$labels.instance}}: has {{$value}} pods"
description: "{{$labels.instance}} be cateful"
规则：kuberlet_running_pod_count指标持续2分钟超过10，则发出告警。
- AlertManager中设置告警接收器alertmanager.yml
global:
smtp_smarthost: 'mail.xx.com:25'
smtp_from: 'service@xx.com'
smtp_auth_username: 'service@xx.com'
smtp_auth_password: 'password'
smtp_require_tls: false
route:
group_by: ['alertname']
receiver: alert-email
receivers:
- name: alert-email
email_configs:
- to: 'pan@xx.com'
send_resolved: true
