第33关 使用gin开发webhook转发服务，实现prometheus和falco的钉钉、企业微信、飞书报警发送

------> 课程视频同步分享在今日头条和B站

大家好，我是博哥爱运维。

出这期视频，也是为了给第30关的falco公开课补一个坑，关于falco报警这块这期将补上，同时，对于这个gin开发的webhook服务源码这块，计划是放在后面运维golang开发课程里面再分享出来会比较好，毕竟这个需要一些golang开发语言的基础。

支持的镜像，为了方便大家下载使用，特地在阿里云注册一个个人镜像仓库:

registry.cn-beijing.aliyuncs.com/bogeit/boge-webhook:1.0

docker容器化运行

docker run -d \
  --name boge-webhook \
  -p 9999:9999 \
  -e TZ="Asia/Shanghai" \
  registry.cn-beijing.aliyuncs.com/bogeit/boge-webhook:1.0 \
  -webhook https://open.feishu.cn/open-apis/bot/v2/hook/xxxxxxxxxxxxxxxxxxx \
  -port 9999 \
  -filters "serviceA,DeadMansSnitch"

k8s运行

apiVersion: v1
kind: Service
metadata:
  name: boge-webhook
  labels:
    app: boge-webhook
    model: falco
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 9999
  type: ClusterIP
  selector:
    app: boge-webhook
    model: falco
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: boge-webhook
    model: falco
  name: boge-webhook
spec:
  replicas: 1
  selector:
    matchLabels:
      app: boge-webhook
      model: falco
  template:
    metadata:
      labels:
        app: boge-webhook
        model: falco
    spec:
      containers:
      - name: boge-webhook
        image: registry.cn-beijing.aliyuncs.com/bogeit/boge-webhook:1.0
        env:
          - name: TZ
            value: Asia/Shanghai
        ports:
        - containerPort: 9999
        args:
          - -webhook
          - "https://open.feishu.cn/open-apis/bot/v2/hook/xxxxxxxxxxxxxxxxxxx"
          - -port
          -  "9999"
          - -filters
          - "serviceA,DeadMansSnitch"
# 对于falco，filters白名单字段只填pod名称开头关键词是匹配所有ns，填namespace_pod开头关键词是匹配指定ns里面的服务

测试接口

# curl 10.0.1.201:9999/status
{"msg":"ok"}
# curl -X POST -H 'Content-type: application/json' -d '{"name": "boge","titlea": "'"$(id)"'", "texta": "'"$(whoami)--$(hostname)"'"}' 10.0.1.201:9999/b01bdc063/boge/getjson
# 查看webhook后端服务日志
# docker logs boge-webhook
[GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
[GIN-debug] [WARNING] Running in "debug" mode. Switch to "release" mode in production.
 - using env:   export GIN_MODE=release
 - using code:  gin.SetMode(gin.ReleaseMode)
[GIN-debug] GET    /status                   --> main.MyWebServer.func1 (3 handlers)
[GIN-debug] POST   /b01bdc063/boge/getjson   --> main.MyWebServer.func2 (3 handlers)
[GIN-debug] POST   /7332f19/prometheus/dingtalk --> main.MyWebServer.func3 (3 handlers)
[GIN-debug] POST   /1bdc0637/prometheus/feishu --> main.MyWebServer.func4 (3 handlers)
[GIN-debug] POST   /5e00fc1a/prometheus/weixin --> main.MyWebServer.func5 (3 handlers)
[GIN-debug] POST   /3c1e8/falcon/feishu      --> main.MyWebServer.func6 (3 handlers)
[GIN-debug] POST   /3c1e8/falcon/dingtalk    --> main.MyWebServer.func7 (3 handlers)
[GIN-debug] POST   /3c1e8/falcon/weixin      --> main.MyWebServer.func8 (3 handlers)
[GIN-debug] [WARNING] You trusted all proxies, this is NOT safe. We recommend you to set a value.
Please check https://pkg.go.dev/github.com/gin-gonic/gin#readme-don-t-trust-all-proxies for details.
[GIN-debug] Listening and serving HTTP on :9999
{"name": "boge","titlea": "uid=0(root) gid=0(root) groups=0(root)", "texta": "root--boge"}
[GIN] 2024/04/02 - 17:45:50 | 200 |      78.745µs |      10.0.1.201 | POST     "/b01bdc063/boge/getjson"

编辑 falco 服务的 webhook 接收配置

falco相关内容可以查看博哥之前分享的文档：
https://blog.csdn.net/weixin_46887489/article/details/135758197
# 配置 falcosidekick 报警输出的 webhook 地址:
kubectl -n falco edit secrets falco-falcosidekick
  #在下面配置(内容是base64编码 http://10.0.1.201:9999/3c1e8/falcon/feishu)
  WEBHOOK_ADDRESS: aaHR0cDovLzEwLjAuMS4yMDE6OTk5OS8zYzFlOC9mYWxjb24vZmVpc2h1Cg==

编辑 prometheus 服务的 webhook 接收配置

http://10.0.1.201:9999/1bdc0637/prometheus/feishu
详细配置见博哥之前讲解的 prometheus发送报警的文档:
https://blog.csdn.net/weixin_46887489/article/details/135612462

大家有什么问题，可以找博哥进技术交流群里面交流，目前群已接近400人，想进群趁早