forked from TrueCloudLab/distribution
ba4a6bbe02
Microsoft has updated the golang Azure SDK significantly. Update the azure storage driver to use the new SDK. Add support for client secret and MSI authentication schemes in addition to shared key authentication. Implement rootDirectory support for the azure storage driver to mirror the S3 driver. Signed-off-by: Kirat Singh <kirat.singh@beacon.io> Co-authored-by: Cory Snider <corhere@gmail.com>
44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
// Copyright 2016 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 (
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"encoding/binary"
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)
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// NewUUID returns a Version 1 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 NewUUID returns nil. 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 NewUUID returns nil and an error.
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//
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// In most cases, New should be used.
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func NewUUID() (UUID, error) {
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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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nodeMu.Unlock()
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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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timeLow := uint32(now & 0xffffffff)
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timeMid := uint16((now >> 32) & 0xffff)
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timeHi := uint16((now >> 48) & 0x0fff)
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timeHi |= 0x1000 // Version 1
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binary.BigEndian.PutUint32(uuid[0:], timeLow)
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binary.BigEndian.PutUint16(uuid[4:], timeMid)
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binary.BigEndian.PutUint16(uuid[6:], timeHi)
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binary.BigEndian.PutUint16(uuid[8:], seq)
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copy(uuid[10:], nodeID[:])
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return uuid, nil
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}
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