Kubernetes下的监控体系
一、监控对象
| 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