在我的 Kubernetes 集群中,在我的数据库容器上,如果删除 pod,我的持久存储(在 Digital Ocean 上动态配置)不会持久存储。
我已将存储的回收策略从删除更改为保留,但这并没有什么不同。
这是 DB YAML 文件的副本:
apiVersion: v1
kind: Service
metadata:
name: db
namespace: hm-namespace01
app: app1
spec:
type: NodePort
ports:
- port: 5432
selector:
app: app1
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: hm-pv-claim
namespace: hm-namespace01
labels:
app: app1
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 5Gi
storageClassName: do-block-storage
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: app1
namespace: hm-namespace01
labels:
app: app1
spec:
selector:
matchLabels:
app: app1
tier: backend
strategy:
type: Recreate
template:
metadata:
labels:
app: app1
tier: backend
spec:
containers:
- name: app1
image: postgres:11
imagePullPolicy: "IfNotPresent"
ports:
- containerPort: 5432
volumeMounts:
- name: postgredb
mountPath: /var/lib/postgresql
volumes:
- name: postgredb
persistentVolumeClaim:
claimName: hm-pv-claim