Kubernetes 1.20: Granular Control of Volume Permission Changes

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Authors: Hemant Kumar, Red Hat & Christian Huffman, Red Hat Kubernetes 1.20 brings two important beta features, allowing Kubernetes admins and users alike to have more adequate control over how volume permissions are applied when a volume is mounted inside a Pod. Allow users to skip recursive permission changes on mount Traditionally if your pod is running as a non-root user (which you should), you must specify a fsGroup inside the pod’s security context so that the volume can be readable and writable by the Pod.