kube-prometheus实现企业微信机器人告警-Toy模板网

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公司kubernetes生产环境部署了kube-prometheus-release-0.3用于监控kubernetes集群状态，但是默认预置了告警规则，但是不能发送告警信息。本文着重介绍自己在公司环境实现alertmanager通过企业微信发送告警信息。具体实现方式的逻辑如下图：

kube-prometheus实现企业微信机器人告警

实现方式：

1.查看部署的kube-prometheus

[root@k8s-master-03 kube-prometheus-release-0.3]# kubectl get pod -n monitoring
NAME                                       READY   STATUS    RESTARTS   AGE
alertmanager-main-0                        2/2     Running   0          6h20m
alertmanager-main-1                        2/2     Running   0          6h20m
alertmanager-main-2                        2/2     Running   0          6h2m
grafana-77978cbbdc-x9qpp                   1/1     Running   0          5d22h
kube-state-metrics-7f6d7b46b4-nnjrs        3/3     Running   0          5d22h
node-exporter-42hpk                        2/2     Running   0          5d22h
node-exporter-5d99p                        2/2     Running   0          5d22h
node-exporter-5fcd8                        2/2     Running   0          5d22h
node-exporter-66mxt                        2/2     Running   0          5d22h
node-exporter-6tcg6                        2/2     Running   0          5d22h
node-exporter-8dkc2                        2/2     Running   0          5d22h
node-exporter-8wrq5                        2/2     Running   0          5d22h
node-exporter-9z778                        2/2     Running   0          5d22h
node-exporter-b2lpm                        2/2     Running   0          5d22h
node-exporter-dvfmw                        2/2     Running   0          5d22h
node-exporter-f794p                        2/2     Running   0          5d22h
node-exporter-frfzm                        2/2     Running   0          5d22h
node-exporter-hffpg                        2/2     Running   0          5d22h
node-exporter-hkhkh                        2/2     Running   0          5d22h
node-exporter-jjszd                        2/2     Running   0          5d22h
node-exporter-lgslx                        2/2     Running   0          5d22h
node-exporter-nxdtj                        2/2     Running   0          5d22h
node-exporter-q458q                        2/2     Running   0          5d22h
node-exporter-r6mff                        2/2     Running   0          5d22h
node-exporter-s9jw2                        2/2     Running   0          5d22h
node-exporter-vfp24                        2/2     Running   0          5d22h
node-exporter-w2q6g                        2/2     Running   0          5d22h
node-exporter-xgmn5                        2/2     Running   0          5d22h
prometheus-adapter-68698bc948-xtnvm        1/1     Running   0          5d22h
prometheus-k8s-0                           3/3     Running   1          5d1h
prometheus-k8s-1                           3/3     Running   0          5d2h
prometheus-operator-6685db5c6-4zwcn        1/1     Running   0          5d22h

2.在企业微信群聊创建机器人

kube-prometheus实现企业微信机器人告警

3.创建webhook服务，用于转发alertmanager的告警消息到企业微信机器人

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    run: prometheus-webhook-qywx
  name: prometheus-webhook-qywx
  namespace: monitoring
spec:
  selector:
    matchLabels:
      run: prometheus-webhook-qywx
  template:
    metadata:
      labels:
        run: prometheus-webhook-qywx
    spec:
      containers:
      - args:
        - --adapter=/app/prometheusalert/wx.js=/adapter/wx=https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=c3578c16-1a8e-ssssdddd8888888  #注意变更这个地址，即企业微信机器人的webhook地址
        image: registry.cn-hangzhou.aliyuncs.com/guyongquan/webhook-adapter  
        name: prometheus-webhook-dingtalk
        ports:
        - containerPort: 80
          protocol: TCP
---
apiVersion: v1
kind: Service
metadata:
  labels:
    run: prometheus-webhook-qywx
  name: prometheus-webhook-qywx
  namespace: monitoring
spec:
  ports:
  - port: 8060
    protocol: TCP
    targetPort: 80
  selector:
    run: prometheus-webhook-qywx
  type: ClusterIP

备注：

adapter=/app/prometheusalert/wx.js=/adapter/wx=https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=c3578c16-1a8e-ssssdddd8888888 #注意变更这个地址，即企业微信机器人的webhook地址

4.报警方式，即alertmanager的配置文件变更

变更命名空间monitoring下的alertmanager-main的secret，这个是alertmanager的配置文件

默认安装的时候，缺省配置为

"global":
  "resolve_timeout": "5m"
"receivers":
- "name": "null"
"route":
  "group_by":
  - "job"
  "group_interval": "5m"
  "group_wait": "30s"
  "receiver": "null"
  "repeat_interval": "12h"
  "routes":
  - "match":
      "alertname": "Watchdog"
    "receiver": "null"

根据需求变更为

"global":
  "resolve_timeout": "5m"
"receivers":
- name: 'web.hook'
  webhook_configs:
  - url: 'http://prometheus-webhook-qywx.monitoring.svc.cluster.local:8060/adapter/wx'               # 刚刚创建的webhook地址
    send_resolved: false
"route":
  "group_by":
  - "job"
  - "namespaces"
  - "alertname"
  "group_interval": "5m"
  "group_wait": "30s"
  "receiver": "web.hook"
  "repeat_interval": "10m"
  "routes":
  - "match":
      "alertname": "Watchdog"
    "receiver": "web.hook"

http://prometheus-webhook-qywx.monitoring.svc.cluster.local:8060 是上面创建的webhook转发服务的service

配置企业微信机器人告警时需要先安装webhook；最后重启alertmanger-main-0,alertmanger-main-1,alertmanger-main-3

5.查看企业微信机器人的告警信息

kube-prometheus实现企业微信机器人告警