Question

监控对象	示例	监控信息暴露方式
k8s主机	k8s依赖的主机	node exporter以daemonset形式每个节点部署一个
K8s上的中间件	redis、mysql、kafka、mongo	每种服务自带对应的exporter
K8s上的系统服务	traefik	traefik自带暴露metrics
k8s上的应用服务	application	部署的应用开起的 Metrics

apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: application-php-fpm
  namespace: monitoring
spec:
  endpoints:
  - interval: 15s
    port: phpfpm-exporter
  namespaceSelector:
    matchNames:
    - test
    - stg
    - monitoring
  selector:
    matchLabels:
      prometheus-target: application-php-fpm
---
apiVersion: v1
kind: Service
metadata:
  labels:
    prometheus-target: application-php-fpm
  name: nginx
  namespace: stg
spec:
  ports:
  - name: nginx
    port: 80
    protocol: TCP
    targetPort: 80
  - name: phpfpm-exporter
    port: 9253
    protocol: TCP
    targetPort: 9253
  selector:
    app: saas-base-service