Kubernetes PersistentVolume, PersistentVolumeClaim, volume using hostPath

pv.yaml

kind: PersistentVolume
apiVersion: v1
metadata:
  name: hostpath
  labels:
    type: local
spec:
  storageClassName: manual
  capacity:
    storage: 1Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/tmp/devopsschool"Code language: JavaScript (javascript)

$ kubectl create -f pv.yaml
$ kubectl get pv

pvc.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pvchostpath
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi

$ kubectl create -f pvc.yaml
$ kubectl get pvc

pod.yaml

kind: Pod
apiVersion: v1
metadata:
  name: task-pv-pod
spec:
  containers:
    - name: task-pv-container
      image: scmgalaxy/nginx-devopsschoolv1
      ports:
        - containerPort: 80
          name: "http-server"
      volumeMounts:
        - mountPath: "/usr/share/nginx/html"
          name: task-pv-storage
  volumes:
    - name: task-pv-storage
      persistentVolumeClaim:
        claimName: pvchostpath
Code language: JavaScript (javascript)

$ kubectl create -f pod.yaml
$ kubectl get pods -o wide
$ kubectl exec task-pv-pod -- ls /usr/share/nginx/html
$ kubectl exec task-pv-pod -- touch /usr/share/nginx/html/index.html
$ kubectl delete pod task-pv-pod
$ kubectl create -f pod.yaml
$ kubectl exec task-pv-pod -- ls /usr/share/nginx/html
Code language: JavaScript (javascript)

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

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