Kubernetes本地共享，网络共享，pv，pvc卷挂载示例

版本：v1.18.0

本地共享类型：emptyDir，hostpath

网络共享类型：nfs，pv、pvc卷

其他：ConfigMap，Secret

一、emptyDir示例：

apiVersion: v1
kind: Pod
metadata:
name: testemp
labels:
app: testemp
spec:
restartPolicy: Always
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
volumeMounts:
- name: myweb
mountPath: /usr/share/nginx/html
resources:
requests:
cpu: 200m
memory: 64Mi
limits:
cpu: 300m
memory: 128Mi
volumes:
- name: myweb
emptyDir: {}

二、hostPath示例：

apiVersion: v1
kind: Pod
metadata:
name: testhost
labels:
app: testhost
spec:
restartPolicy: Always
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
volumeMounts:
- name: myweb
mountPath: /usr/share/nginx/html
resources:
requests:
cpu: 200m
memory: 64Mi
limits:
cpu: 300m
memory: 128Mi
volumes:
- name: myweb
hostPath:
path: /tmp/myweb
type: Directory

三、nfs示例：

apiVersion: v1
kind: Pod
metadata:
name: testnfs
labels:
app: testnfs
spec:
restartPolicy: Always
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
volumeMounts:
- name: myweb
mountPath: /usr/share/nginx/html
resources:
requests:
cpu: 200m
memory: 64Mi
limits:
cpu: 300m
memory: 128Mi
volumes:
- name: myweb
nfs:
server: 192.168.199.120
path: /data

四、利用网络共享存储创建pv卷，手动创建pvc卷应用于挂载

pv卷创建

apiVersion: v1
kind: PersistentVolume
metadata:
name: pv0001
spec:
capacity:
storage: 1Gi
volumeMode: Filesystem
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
storageClassName: slow
nfs:
path: /mypv/pv0001
server: 192.168.199.120
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: pv0002
spec:
capacity:
storage: 5Gi
volumeMode: Filesystem
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
storageClassName: slow
nfs:
path: /mypv/pv0002
server: 192.168.199.120
---
apiVersion: v1
kind: PersistentVolume
metadata:
name: pv0003
spec:
capacity:
storage: 8Gi
volumeMode: Filesystem
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
storageClassName: slow
nfs:
path: /mypv/pv0003
server: 192.168.199.120

pvc卷创建

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: fornginx
spec:
accessModes:
- ReadWriteOnce
volumeMode: Filesystem
resources:
requests:
storage: 4Gi
storageClassName: slow

pod应用pvc卷

apiVersion: v1
kind: Pod
metadata:
name: testpvc
labels:
app: testpvc
spec:
restartPolicy: Always
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
volumeMounts:
- name: myweb
mountPath: /usr/share/nginx/html
resources:
requests:
cpu: 200m
memory: 64Mi
limits:
cpu: 300m
memory: 128Mi
volumes:
- name: myweb
persistentVolumeClaim:
claimName: fornginx

五、安装nfs-client插件，实现创建pv后，自动创建pvc。

github上下载   nfs-client  插件，里面饱含了三个文件，一个是rbac，一个是deploy，一个是class，分别是授权，部署nfs-client的pod和定义class的。

直接创建pvc

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: autopvc
spec:
accessModes:
- ReadWriteOnce
volumeMode: Filesystem
resources:
requests:
storage: 8Gi
storageClassName: "managed-nfs-storage"

直接创建应用pod，使用该pvc

apiVersion: v1
kind: Pod
metadata:
name: testautopvc
labels:
app: testautopvc
spec:
restartPolicy: Always
containers:
- name: nginx
image: nginx
imagePullPolicy: IfNotPresent
volumeMounts:
- name: myweb
mountPath: /usr/share/nginx/html
resources:
requests:
cpu: 200m
memory: 64Mi
limits:
cpu: 300m
memory: 128Mi
volumes:
- name: myweb
persistentVolumeClaim:
claimName: autopvc

最后

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