mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package uuid
|
|
|
|
import (
|
|
guuid "github.com/google/uuid"
|
|
)
|
|
|
|
// NodeInterface returns the name of the interface from which the NodeID was
|
|
// derived. The interface "user" is returned if the NodeID was set by
|
|
// SetNodeID.
|
|
func NodeInterface() string {
|
|
return guuid.NodeInterface()
|
|
}
|
|
|
|
// SetNodeInterface selects the hardware address to be used for Version 1 UUIDs.
|
|
// If name is "" then the first usable interface found will be used or a random
|
|
// Node ID will be generated. If a named interface cannot be found then false
|
|
// is returned.
|
|
//
|
|
// SetNodeInterface never fails when name is "".
|
|
func SetNodeInterface(name string) bool {
|
|
return guuid.SetNodeInterface(name)
|
|
}
|
|
|
|
// NodeID returns a slice of a copy of the current Node ID, setting the Node ID
|
|
// if not already set.
|
|
func NodeID() []byte {
|
|
return guuid.NodeID()
|
|
}
|
|
|
|
// SetNodeID sets the Node ID to be used for Version 1 UUIDs. The first 6 bytes
|
|
// of id are used. If id is less than 6 bytes then false is returned and the
|
|
// Node ID is not set.
|
|
func SetNodeID(id []byte) bool {
|
|
return guuid.SetNodeID(id)
|
|
}
|
|
|
|
// NodeID returns the 6 byte node id encoded in uuid. It returns nil if uuid is
|
|
// not valid. The NodeID is only well defined for version 1 and 2 UUIDs.
|
|
func (uuid UUID) NodeID() []byte {
|
|
if len(uuid) != 16 {
|
|
return nil
|
|
}
|
|
node := make([]byte, 6)
|
|
copy(node, uuid[10:])
|
|
return node
|
|
}
|