pv 与pvc的绑定

布满荆棘的人生 2024-02-19 19:35 39阅读 0赞

#### 创建pv ####

apiVersion: v1
    kind: PersistentVolume
    metadata:
      name: pv003
      labels:
        app: vnc003
      namespace: vnc-space
    spec:
      capacity:
        storage: 5Gi
      accessModes:
        - ReadWriteMany
      persistentVolumeReclaimPolicy: Retain
      hostPath:
        path: "/home/pv"

#### 创建pvc ####

apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
      name: pvc003
      labels:
        app: vnc003
      namespace: vnc-space
    spec:
    #  storageClassName: manual
      accessModes:
        - ReadWriteMany
      resources:
        requests:
          storage: 100Mi
      selector:
        matchLabels:
          app: vnc003

#### 查看绑定情况 ####

[root@lys-192 ~]# kubectl get pvc --show-labels
    NAME     STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE     LABELS
    pvc003   Bound    pv004    5Gi        RWX                           10m     app=vnc
    pvc004   Bound    pv003    5Gi        RWX                           5m42s   app=vnc
    [root@lys-192 ~]# kubectl get pv --show-labels
    NAME    CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM            STORAGECLASS   REASON   AGE     LABELS
    pv003   5Gi        RWX            Retain           Bound    default/pvc004                           4m19s   app=vnc003
    pv004   5Gi        RWX            Retain           Bound    default/pvc003                           110s    app=vnc003

#### 创建pod使用pvc ####

apiVersion: v1
    kind: Pod
    metadata:
      name: nginx
      labels:
        role: web-frontend
      namespace: vnc-space
    spec:
      containers:
      - name: web
        image: nginx
        ports:
          - name: web
            containerPort: 80
        volumeMounts:
            - name: pv001
              mountPath: "/usr/share/nginx/html"
      volumes:
      - name: pv001
        persistentVolumeClaim: ## <--这字段
          claimName: pvc003