}

	return nil, false, fmt.Errorf("Spec does not reference a Portworx Volume type")
}

// Abstract interface to PD operations.
type portworxManager interface {
	// Creates a volume
	CreateVolume(provisioner *portworxVolumeProvisioner) (volumeID string, volumeSizeGB int64, labels map[string]string, err error)
	// Deletes a volume
	DeleteVolume(deleter *portworxVolumeDeleter) error
	// Attach a volume

  // driver is the name of the driver to use for this volume.
  // Required.
  optional string driver = 1;

  // volumeHandle is the unique volume name returned by the CSI volume
  // plugin’s CreateVolume to refer to the volume on all subsequent calls.
  // Required.
  optional string volumeHandle = 2;

  // readOnly value to pass to ControllerPublishVolumeRequest.
  // Defaults to false (read/write).

	// Driver is the name of the driver to use for this volume.
	// Required.
	Driver string

	// VolumeHandle is the unique volume name returned by the CSI volume
	// plugin’s CreateVolume to refer to the volume on all subsequent calls.
	// Required.
	VolumeHandle string

	// Optional: The value to pass to ControllerPublishVolumeRequest.
	// Defaults to false (read/write).
	// +optional

	"driver":                     "driver is the name of the driver to use for this volume. Required.",
	"volumeHandle":               "volumeHandle is the unique volume name returned by the CSI volume plugin’s CreateVolume to refer to the volume on all subsequent calls. Required.",
	"readOnly":                   "readOnly value to pass to ControllerPublishVolumeRequest. Defaults to false (read/write).",

  // driver is the name of the driver to use for this volume.
  // Required.
  optional string driver = 1;

  // volumeHandle is the unique volume name returned by the CSI volume
  // plugin’s CreateVolume to refer to the volume on all subsequent calls.
  // Required.
  optional string volumeHandle = 2;

  // readOnly value to pass to ControllerPublishVolumeRequest.
  // Defaults to false (read/write).

* Add prometheus metrics for the PodSecurityPolicy admission controller ([#57346](https://github.com/kubernetes/kubernetes/pull/57346), [@tallclair](https://github.com/tallclair))
* fix CreateVolume func: use search mode instead ([#54687](https://github.com/kubernetes/kubernetes/pull/54687), [@andyzhangx](https://github.com/andyzhangx))

            "type": "object"
          },
          "volumeHandle": {
            "default": "",
            "description": "volumeHandle is the unique volume name returned by the CSI volume plugin’s CreateVolume to refer to the volume on all subsequent calls. Required.",
            "type": "string"
          }
        },
        "required": [
          "driver",
          "volumeHandle"
        ],

	// Required.
	Driver string `json:"driver" protobuf:"bytes,1,opt,name=driver"`

	// volumeHandle is the unique volume name returned by the CSI volume
	// plugin’s CreateVolume to refer to the volume on all subsequent calls.
	// Required.
	VolumeHandle string `json:"volumeHandle" protobuf:"bytes,2,opt,name=volumeHandle"`

	// readOnly value to pass to ControllerPublishVolumeRequest.

            "type": "object"
          },
          "volumeHandle": {
            "default": "",
            "description": "volumeHandle is the unique volume name returned by the CSI volume plugin’s CreateVolume to refer to the volume on all subsequent calls. Required.",
            "type": "string"
          }
        },
        "required": [
          "driver",
          "volumeHandle"
        ],

          "type": "object"
        },
        "volumeHandle": {
          "description": "volumeHandle is the unique volume name returned by the CSI volume plugin’s CreateVolume to refer to the volume on all subsequent calls. Required.",
          "type": "string"
        }
      },
      "required": [
        "driver",
        "volumeHandle"
      ],