1、安装prometheus-operator，具体安装步骤链接:https://www.qikqiak.com/k8s-book/docs/58.Prometheus%20Operator.html
2、修改配置文件
/root/prometheus-operator/kube-prometheus/manifests
vim alertmanager.yaml
global:
resolve_timeout: 60m
smtp_smarthost: 'smtp.139.com:25'
smtp_from: '15859527102@139.com'
smtp_auth_username: '15859527102@139.com'
smtp_auth_password: 'x84l_asus_ak'
smtp_hello: '139.com'
smtp_require_tls: false
wechat_api_url: 'https://qyapi.weixin.qq.com/cgi-bin/'
wechat_api_secret: '03vUA6wHSOtfCwfi8f7DkfXc0G4V6juaYOPDRjspnGU'
wechat_api_corp_id: 'wwae01588e36d3f448'
templates:

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• "*.tmpl"
  route:
  group_by: ['job', 'severity']
  group_wait: 30s
  group_interval: 60m
  repeat_interval: 12h
  receiver: default
  routes:
• receiver: wechat
  match:
  alertname: CPUThrottlingHigh
  receivers:
  • name: 'default'
    email_configs:
• to: '313841662@qq.com'
  send_resolved: true
  • name: 'webhook'
    webhook_configs:
• url: 'http://dingtalk-hook.kube-system.svc.cluster.local:5000'
  send_resolved: true
  • name: 'wechat'
    wechat_configs:

• send_resolved: true
  agent_id: '1000002'
  to_user: '@all'
  corp_id: 'wwae01588e36d3f448'
  api_secret: '03vUA6wHSOtfCwfi8f7DkfXc0G4V6juaYOPDRjspnGU'

  PS:生成企业微信id和secret步骤详见前面zabbix配置微信报警
  3、创建微信报警模板
  vim wechat.tmpl
  {{ define "wechat.default.message" }}
  {{ range .Alerts }}
  ========start=========
  告警程序: prometheus_alert
  告警级别: {{ .Labels.serverity }}
  告警类型: {{ .Labels.alertname }}
  故障主机: {{ .Labels.instance }}
  告警主题: {{ .Annotations.summary }}
  告警详情: {{ .Annotations.description }}
  触发时间: {{ (.StartsAt.Add 28800e9).Format "2006-01-02 15:04:05" }}
  =========end===========
  {{ end }}
  {{ end }}

4、# 先将之前的 secret 对象删除,重新创建
$ kubectl delete secret alertmanager-main -n monitoring
secret "alertmanager-main" deleted
kubectl create secret generic alertmanager-main --from-file=alertmanager.yaml --from-file=wechat.tmpl -n monitoring

文章标题：prometheus-operator的安装和配置
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