kubernetes-guide/docs/chap15/15.3.md

vim etcd-svc.yaml

apiVersion: v1
kind: Endpoints
metadata:
  labels:
    app: etcd-prom
  name: etcd-prom
  namespace: kube-system
subsets:
- addresses: 
  - ip: YOUR_ETCD_IP01
  - ip: YOUR_ETCD_IP02
  - ip: YOUR_ETCD_IP03
  ports:
  - name: https-metrics
    port: 2379   # etcd端口
    protocol: TCP
apiVersion: v1
kind: Service 
metadata:
  labels:
    app: etcd-prom
  name: etcd-prom
  namespace: kube-system
spec:
  ports:
  - name: https-metrics
    port: 2379
    protocol: TCP
    targetPort: 2379
  type: ClusterIP

​ servicemonitor.yaml

apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: etcd
  namespace: monitoring
  labels:
    app: etcd
spec:
  jobLabel: k8s-app
  endpoints:
    - interval: 30s
      port: https-metrics  # 这个port对应 Service.spec.ports.name
      scheme: https
      tlsConfig:
        caFile: /etc/prometheus/secrets/etcd-ssl/etcd-ca.pem #证书路径
        certFile: /etc/prometheus/secrets/etcd-ssl/etcd.pem
        keyFile: /etc/prometheus/secrets/etcd-ssl/etcd-key.pem
        insecureSkipVerify: true  # 关闭证书校验
  selector:
    matchLabels:
      app: etcd-prom  # 跟Service的lables保持一致
  namespaceSelector:
    matchNames:
    - kube-system

​ mysql-exporter.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-exporter
  namespace: monitoring
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: mysql-exporter
  template:
    metadata:
      labels:
        k8s-app: mysql-exporter
    spec:
      containers:
      - name: mysql-exporter
        image: registry.cn-beijing.aliyuncs.com/dotbalo/mysqld-exporter 
        env:
         - name: DATA_SOURCE_NAME
           value: "exporter:exporter@(mysql.default:3306)/"
        imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 9104
---
apiVersion: v1
kind: Service
metadata:
  name: mysql-exporter
  namespace: monitoring
  labels:
    k8s-app: mysql-exporter
spec:
  type: ClusterIP
  selector:
    k8s-app: mysql-exporter
  ports:
  - name: api
    port: 9104
    protocol: TCP

​ mysql-sm.yaml

apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: mysql-exporter
  namespace: monitoring
  labels:
    k8s-app: mysql-exporter
    namespace: monitoring
spec:
  jobLabel: k8s-app
  endpoints:
  - port: api
    interval: 30s
    scheme: http
  selector:
    matchLabels:
      k8s-app: mysql-exporter
  namespaceSelector:
    matchNames:
    - monitoring