Kubernetes : बाह्य संग्रहण का उपयोग करें2024/06/07

apiVersion: v1
kind: PersistentVolume
metadata:
  # कोई भी PV नाम
  name: nfs-pv
spec:
  capacity:
    # भंडारण आकार
    storage: 10Gi
  accessModes:
    # पहुँच मोड:
    # - ReadWriteMany (RW from multi nodes)
    # - ReadWriteOnce (RW from a node)
    # - ReadOnlyMany (R from multi nodes)
    - ReadWriteMany
  persistentVolumeReclaimPolicy:
    # पॉड्स समाप्त होने पर भी बनाए रखें
    Retain
  nfs:
    # NFS सर्वर परिभाषा
    path: /home/nfsshare
    server: 10.0.0.35
    readOnly: false

kubectl create -f nfs-pv.yml

kubectl get pv

NAME     CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS      CLAIM   STORAGECLASS   VOLUMEATTRIBUTESCLASS   REASON   AGE
nfs-pv   10Gi       RWX            Retain           Available                          <unset>                          4s

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  # कोई भी PVC नाम
  name: nfs-pvc
spec:
  accessModes:
  - ReadWriteMany
  resources:
     requests:
       storage: 10Gi

kubectl create -f nfs-pvc.yml

kubectl get pvc

NAME      STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   VOLUMEATTRIBUTESCLASS   AGE
nfs-pvc   Bound    nfs-pv   10Gi       RWX                           <unset>                 12s

apiVersion: apps/v1
kind: Deployment
metadata:
  # कोई भी परिनियोजन नाम
  name: nginx-nfs
  labels:
    name: nginx-nfs
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx-nfs
  template:
    metadata:
      labels:
        app: nginx-nfs
    spec:
      containers:
      - name: nginx-nfs
        image: nginx
        ports:
          - name: web
            containerPort: 80
        volumeMounts:
          - name: nfs-share
            # कंटेनर में माउंट पॉइंट
            mountPath: /usr/share/nginx/html
      volumes:
        - name: nfs-share
          persistentVolumeClaim:
            # PVC नाम आपने बनाया
            claimName: nfs-pvc

kubectl get pods -o wide

NAME                         READY   STATUS    RESTARTS   AGE     IP                NODE               NOMINATED NODE   READINESS GATES
nginx-nfs-75cd8b4bb5-7b6qw   1/1     Running   0          2m26s   192.168.40.197    node01.srv.world   <none>           <none>
nginx-nfs-75cd8b4bb5-7gp7d   1/1     Running   0          2m26s   192.168.241.131   node02.srv.world   <none>           <none>
nginx-nfs-75cd8b4bb5-zqgsh   1/1     Running   0          2m26s   192.168.241.132   node02.srv.world   <none>           <none>

# NFS शेयर के अंतर्गत एक परीक्षण फ़ाइल बनाएँ

kubectl exec nginx-nfs-75cd8b4bb5-7b6qw -- sh -c "echo 'NFS Persistent Storage Test' > /usr/share/nginx/html/index.html"