3.4.9. StatefulSet¶
StatefulSet部署:
1. 存储你数据文件的持久卷
2. 必需的一个控制Service
3. StatefulSet本身
apiVersion: v1
kind: Service
metadata:
name: ruler-eureka-service
spec:
clusterIP: None # StatefulSet控制的Service必须是headless模式
selector:
app: ruler-eureka
ports:
- name: http
protocol: TCP
port: 80
targetPort: 80
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: web
spec:
selector:
matchLabels:
app: ruler-eureka
serviceName: "ruler-eureka-service"
replicas: 2
template:
metadata:
labels:
app: ruler-eureka
spec:
containers:
- name: nginx
image: nginx
ports:
- containerPort: 80
name: web
volumeMounts:
- name: disk-ssd
mountPath: /data
volumeClaimTemplates: # 设定持久存储模板
- metadata:
name: disk-ssd
spec:
accessModes: [ "ReadWriteOnce" ] # 只允许单结点挂载读写
storageClassName: "alicloud-disk-ssd" # 指定阿里的ssd磁盘
resources:
requests:
storage: 20Gi # 指定磁盘大小为20G