Redis

Deployment

piVersion: apps/v1
kind: Deployment
metadata:
  #设置唯一名称，建议添加数据库实例ip
  name:  redis-exporter-172.16.1.77
  namespace: monitoring
  labels:
    app.kubernetes.io/component: exporter
    app.kubernetes.io/name: redis-exporter
    app.kubernetes.io/part-of: kube-prometheus
    app.kubernetes.io/version: 1.37.0
spec:
  selector:
    matchLabels:
      app.kubernetes.io/component: exporter
      app.kubernetes.io/name: redis-exporter
      app.kubernetes.io/part-of: kube-prometheus
  replicas: 1
  template:
    metadata:
      labels:
        app.kubernetes.io/component: exporter
        app.kubernetes.io/name: redis-exporter
        app.kubernetes.io/part-of: kube-prometheus
        app.kubernetes.io/version: 1.37.0
    spec:
      containers:
        - name: redis-exporter
          image: oliver006/redis_exporter:v1.37.0
          args: ["-redis.addr","redis://cpaas-redis-cluster.share-components:6379","-redis.password","AoSshx9Drq"]
          resources:
            requests:
              cpu: 20m
              memory: 20Mi
            limits:
              cpu: 100m
              memory: 30Mi
          ports:
            - containerPort: 9121
              name: http
          volumeMounts:
            - name: localtime
              mountPath: /etc/localtime
      volumes:
        - name: localtime
          hostPath:
            path: /usr/share/zoneinfo/Asia/Shanghai
      restartPolicy: Always

Service

apiVersion: v1
kind: Service
metadata:
  name: redis-exporter
  namespace: monitoring
  labels:
    app.kubernetes.io/component: exporter
    app.kubernetes.io/name: redis-exporter
    app.kubernetes.io/part-of: kube-prometheus
    app.kubernetes.io/version: 1.37.0
    platform: mos
spec:
  selector:
    app.kubernetes.io/component: exporter
    app.kubernetes.io/name: redis-exporter
    app.kubernetes.io/part-of: kube-prometheus
  type: ClusterIP
  ports:
    - name: http
      port: 9121
      targetPort: http

ServiceMonitor

apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  labels:
    app.kubernetes.io/component: exporter
    app.kubernetes.io/name: redis-exporter
    app.kubernetes.io/part-of: kube-prometheus
    app.kubernetes.io/version: 1.37.0
  name: redis-exporter
  namespace: monitoring
spec:
  endpoints:  #抓取的配置
    - interval: 15s #每间隔15秒抓取一次指标数据
      port: http    #Service定义的port的名字
      relabelings:  #指标的鹅重写
        - action: replace
          regex: (.*)
          replacement: $1
          sourceLabels:
            - __meta_kubernetes_pod_node_name
          targetLabel: instance
      scheme: http
  jobLabel: app.kubernetes.io/name
  targetLabels: [platform]
  namespaceSelector:
    matchNames:
    - monitoring
  selector: #选择器，告诉prometheus进行服务发现的时候如何获取对应的pod对象
    matchLabels:
      app.kubernetes.io/component: exporter
      app.kubernetes.io/name: redis-exporter
      app.kubernetes.io/part-of: kube-prometheus