mirror of
https://github.com/ceph/ceph-csi.git
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f87d06ed85
Several packages are only used while running the e2e suite. These packages are less important to update, as the they can not influence the final executable that is part of the Ceph-CSI container-image. By moving these dependencies out of the main Ceph-CSI go.mod, it is easier to identify if a reported CVE affects Ceph-CSI, or only the testing (like most of the Kubernetes CVEs). Signed-off-by: Niels de Vos <ndevos@ibm.com>
57 lines
2.2 KiB
Go
57 lines
2.2 KiB
Go
// Copyright 2023 Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package uuid
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import "encoding/binary"
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// UUID version 6 is a field-compatible version of UUIDv1, reordered for improved DB locality.
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// It is expected that UUIDv6 will primarily be used in contexts where there are existing v1 UUIDs.
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// Systems that do not involve legacy UUIDv1 SHOULD consider using UUIDv7 instead.
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//
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// see https://datatracker.ietf.org/doc/html/draft-peabody-dispatch-new-uuid-format-03#uuidv6
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//
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// NewV6 returns a Version 6 UUID based on the current NodeID and clock
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// sequence, and the current time. If the NodeID has not been set by SetNodeID
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// or SetNodeInterface then it will be set automatically. If the NodeID cannot
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// be set NewV6 set NodeID is random bits automatically . If clock sequence has not been set by
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// SetClockSequence then it will be set automatically. If GetTime fails to
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// return the current NewV6 returns Nil and an error.
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func NewV6() (UUID, error) {
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var uuid UUID
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now, seq, err := GetTime()
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if err != nil {
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return uuid, err
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}
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/*
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0 1 2 3
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| time_high |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| time_mid | time_low_and_version |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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|clk_seq_hi_res | clk_seq_low | node (0-1) |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| node (2-5) |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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binary.BigEndian.PutUint64(uuid[0:], uint64(now))
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binary.BigEndian.PutUint16(uuid[8:], seq)
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uuid[6] = 0x60 | (uuid[6] & 0x0F)
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uuid[8] = 0x80 | (uuid[8] & 0x3F)
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nodeMu.Lock()
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if nodeID == zeroID {
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setNodeInterface("")
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}
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copy(uuid[10:], nodeID[:])
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nodeMu.Unlock()
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return uuid, nil
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}
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