A library for writing external provisioners. Projects using this library include:

• https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner - Dynamic sub-dir volume provisioner on a remote NFS server.
• https://github.com/kubernetes-sigs/nfs-ganesha-server-and-external-provisioner - NFS Ganesha Server and Volume Provisioner.
• https://github.com/kubernetes-csi/external-provisioner - Sidecar container that watches Kubernetes PersistentVolumeClaim objects and triggers CreateVolume/DeleteVolume against a CSI endpoint

Contains the Provisioner interface and ProvisionController, a custom Kubernetes controller that watches PersistentVolumes and PersistentVolumeClaims. Implement the Provisioner interface, pass the implementation to a ProvisionController, and Run the controller, which then takes care of calling the Provisioner's Provision or Delete as needed.

Contains an assortment of useful functions, e.g. any used by in-tree plugins that aren't otherwise easily importable.

gidallocator is used to allocate a GID from a range specified by StorageClass parameters gidMin & gidMax. allocator is the underlying implementation and can be used to write other allocators. An example use-case for gidallocator is an NFS-based provisioner that chowns each export to a unique GID. See Volume Security for more context.

Is used to read the mount table. Copied from moby.

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