kubernetes事件监控

企业微信机器人webhook

deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    name: kube-eventer
  name: kube-eventer
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: kube-eventer
  template:
    metadata:
      labels:
        app: kube-eventer
      annotations:  
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      dnsPolicy: ClusterFirstWithHostNet
      serviceAccount: nginx-ingress-controller
      containers:
        - image: registry.aliyuncs.com/acs/kube-eventer-amd64:v1.2.0-484d9cd-aliyun
          name: kube-eventer
          command:
            - "/kube-eventer"
            - "--source=kubernetes:https://kubernetes.default"
            ## .e.g,dingtalk sink demo
            - --sink=webhook:https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=*******************&level=Normal&kinds=Pod&header=Content-Type=application/json&custom_body_configmap=custom-body&custom_body_configmap_namespace=kube-system&method=POST
          env:
          # If TZ is assigned, set the TZ value as the time zone
          - name: TZ
            value: Asia/Shanghai
          volumeMounts:
            - name: localtime
              mountPath: /etc/localtime
              readOnly: true
            - name: zoneinfo
              mountPath: /usr/share/zoneinfo
              readOnly: true
          resources:
            requests:
              cpu: 100m
              memory: 100Mi
            limits:
              cpu: 500m
              memory: 250Mi
      volumes:
        - name: localtime
          hostPath:
            path: /etc/localtime
        - name: zoneinfo
          hostPath:
            path: /usr/share/zoneinfo
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: kube-eventer
rules:
  - apiGroups:
      - ""
    resources:
      - events
      - configmaps
    verbs:
      - get
      - list
      - watch
  - apiGroups: [""]
    resources: ["pods"]
    verbs: ["get", "watch", "list","create"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  annotations:
  name: kube-eventer
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: kube-eventer
subjects:
  - kind: ServiceAccount
    name: kube-eventer
    namespace: kube-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-eventer
  namespace: kube-system

configmap

apiVersion: v1
data:
  content: >-
    {"msgtype": "text","text": {"content": "[PROD集群事件警报]\n命名空间:{{ .Namespace }}\n事件级别:{{ .Type }}\n事件对象:{{ .InvolvedObject.Kind }}\n对象名称:{{ .Name }}\n产生原因:{{ .Reason }}\n事件时间:{{ .EventTime }}\n事件信息:{{ .Message }}"}}
kind: ConfigMap
metadata: 
  name: custom-body 
  namespace: kube-system

参考文献
https://github.com/AliyunContainerService/kube-eventer/blob/master/docs/en/webhook-sink.md