Kubernetes - Storage Classes 📦

Description 👀

With Storage Classes you can define a provisioner that can automatically provision storage and attach that to pods.

Basic Commands 📝

Examples 🧩

• storage class definitions

    apiVersion: storage.k8s.io/v1
    kind: StorageClass
    metadata:
        name: google-storage
    provisioner: kubernetes.io/gce-pd
  

    apiVersion: storage.k8s.io/v1
    kind: StorageClass
    metadata:
        name: aws-ebs
    provisioner: kubernetes.io/aws-ebs
  

    apiVersion: storage.k8s.io/v1
    kind: StorageClass
    metadata: 
    name: delayed-volume-sc
    provisioner: kubernetes.io/no-provisioner
    volumeBindingMode: WaitForFirstConsumer
  

  • provisioner is the name of the storage provisioner that will be used to provision the persistent volume
  • parameters are the parameters that will be passed to the storage provisioner

• for pvc to use the storage class, specify the storage class name in pvc spec.storageClassName field

    apiVersion: v1
    kind: PersistentVolumeClaim
    metadata:
        name: myclaim
    spec:
        storageClassName: google-storage
        accessModes:
            - ReadWriteOnce
        resources:
            requests:
                storage: 500Mi
  

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