message VolumeAttachmentStatus {
  // attached indicates the volume is successfully attached.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed

message VolumeAttachmentStatus {
  // attached indicates the volume is successfully attached.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed

  // Stdout if true indicates that stdout is to be redirected for the attach call.
  // Defaults to true.
  // +optional
  optional bool stdout = 2;

  // Stderr if true indicates that stderr is to be redirected for the attach call.
  // Defaults to true.
  // +optional
  optional bool stderr = 3;

  // TTY if true indicates that a tty will be allocated for the attach call.

message VolumeAttachmentStatus {
  // attached indicates the volume is successfully attached.
  // This field must only be set by the entity completing the attach
  // operation, i.e. the external-attacher.
  optional bool attached = 1;

  // attachmentMetadata is populated with any
  // information returned by the attach operation, upon successful attach, that must be passed

  //
  // Setting this field is optional. It has a maximum size of 32 entries.
  // If null (or empty), it is assumed this allocation will be processed by a
  // single kubelet plugin with no ResourceHandle data attached. The name of
  // the kubelet plugin invoked will match the DriverName set in the
  // ResourceClaimStatus this AllocationResult is embedded in.
  //
  // +listType=atomic
  // +optional

  repeated IPAddress items = 2;
}

// IPAddressSpec describe the attributes in an IP Address.
message IPAddressSpec {
  // ParentRef references the resource that an IPAddress is attached to.
  // An IPAddress must reference a parent object.
  // +required
  optional ParentReference parentRef = 1;
}

// ParentReference describes a reference to a parent object.
message ParentReference {