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37 lines
806 B
37 lines
806 B
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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//go:build windows
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// +build windows
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package resource // import "go.opentelemetry.io/otel/sdk/resource"
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import (
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"golang.org/x/sys/windows/registry"
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)
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// implements hostIDReader
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type hostIDReaderWindows struct{}
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// read reads MachineGuid from the windows registry key:
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// SOFTWARE\Microsoft\Cryptography
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func (*hostIDReaderWindows) read() (string, error) {
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k, err := registry.OpenKey(
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registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Cryptography`,
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registry.QUERY_VALUE|registry.WOW64_64KEY,
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)
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if err != nil {
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return "", err
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}
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defer k.Close()
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guid, _, err := k.GetStringValue("MachineGuid")
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if err != nil {
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return "", err
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}
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return guid, nil
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}
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var platformHostIDReader hostIDReader = &hostIDReaderWindows{}
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