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102 lines
2.8 KiB
102 lines
2.8 KiB
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package resource // import "go.opentelemetry.io/otel/sdk/resource"
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import (
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"fmt"
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"strconv"
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"golang.org/x/sys/windows/registry"
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)
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// platformOSDescription returns a human readable OS version information string.
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// It does so by querying registry values under the
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// `SOFTWARE\Microsoft\Windows NT\CurrentVersion` key. The final string
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// resembles the one displayed by the Version Reporter Applet (winver.exe).
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func platformOSDescription() (string, error) {
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k, err := registry.OpenKey(
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registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
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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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var (
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productName = readProductName(k)
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displayVersion = readDisplayVersion(k)
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releaseID = readReleaseID(k)
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currentMajorVersionNumber = readCurrentMajorVersionNumber(k)
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currentMinorVersionNumber = readCurrentMinorVersionNumber(k)
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currentBuildNumber = readCurrentBuildNumber(k)
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ubr = readUBR(k)
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)
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if displayVersion != "" {
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displayVersion += " "
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}
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return fmt.Sprintf("%s %s(%s) [Version %s.%s.%s.%s]",
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productName,
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displayVersion,
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releaseID,
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currentMajorVersionNumber,
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currentMinorVersionNumber,
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currentBuildNumber,
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ubr,
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), nil
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}
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func getStringValue(name string, k registry.Key) string {
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value, _, _ := k.GetStringValue(name)
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return value
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}
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func getIntegerValue(name string, k registry.Key) uint64 {
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value, _, _ := k.GetIntegerValue(name)
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return value
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}
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func readProductName(k registry.Key) string {
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return getStringValue("ProductName", k)
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}
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func readDisplayVersion(k registry.Key) string {
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return getStringValue("DisplayVersion", k)
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}
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func readReleaseID(k registry.Key) string {
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return getStringValue("ReleaseID", k)
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}
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func readCurrentMajorVersionNumber(k registry.Key) string {
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return strconv.FormatUint(getIntegerValue("CurrentMajorVersionNumber", k), 10)
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}
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func readCurrentMinorVersionNumber(k registry.Key) string {
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return strconv.FormatUint(getIntegerValue("CurrentMinorVersionNumber", k), 10)
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}
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func readCurrentBuildNumber(k registry.Key) string {
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return getStringValue("CurrentBuildNumber", k)
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}
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func readUBR(k registry.Key) string {
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return strconv.FormatUint(getIntegerValue("UBR", k), 10)
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}
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