gtsocial-umbx

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os_windows.go (2872B)

      1 // Copyright The OpenTelemetry Authors
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //     http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 package resource // import "go.opentelemetry.io/otel/sdk/resource"
     16 
     17 import (
     18 	"fmt"
     19 	"strconv"
     20 
     21 	"golang.org/x/sys/windows/registry"
     22 )
     23 
     24 // platformOSDescription returns a human readable OS version information string.
     25 // It does so by querying registry values under the
     26 // `SOFTWARE\Microsoft\Windows NT\CurrentVersion` key. The final string
     27 // resembles the one displayed by the Version Reporter Applet (winver.exe).
     28 func platformOSDescription() (string, error) {
     29 	k, err := registry.OpenKey(
     30 		registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
     31 
     32 	if err != nil {
     33 		return "", err
     34 	}
     35 
     36 	defer k.Close()
     37 
     38 	var (
     39 		productName               = readProductName(k)
     40 		displayVersion            = readDisplayVersion(k)
     41 		releaseID                 = readReleaseID(k)
     42 		currentMajorVersionNumber = readCurrentMajorVersionNumber(k)
     43 		currentMinorVersionNumber = readCurrentMinorVersionNumber(k)
     44 		currentBuildNumber        = readCurrentBuildNumber(k)
     45 		ubr                       = readUBR(k)
     46 	)
     47 
     48 	if displayVersion != "" {
     49 		displayVersion += " "
     50 	}
     51 
     52 	return fmt.Sprintf("%s %s(%s) [Version %s.%s.%s.%s]",
     53 		productName,
     54 		displayVersion,
     55 		releaseID,
     56 		currentMajorVersionNumber,
     57 		currentMinorVersionNumber,
     58 		currentBuildNumber,
     59 		ubr,
     60 	), nil
     61 }
     62 
     63 func getStringValue(name string, k registry.Key) string {
     64 	value, _, _ := k.GetStringValue(name)
     65 
     66 	return value
     67 }
     68 
     69 func getIntegerValue(name string, k registry.Key) uint64 {
     70 	value, _, _ := k.GetIntegerValue(name)
     71 
     72 	return value
     73 }
     74 
     75 func readProductName(k registry.Key) string {
     76 	return getStringValue("ProductName", k)
     77 }
     78 
     79 func readDisplayVersion(k registry.Key) string {
     80 	return getStringValue("DisplayVersion", k)
     81 }
     82 
     83 func readReleaseID(k registry.Key) string {
     84 	return getStringValue("ReleaseID", k)
     85 }
     86 
     87 func readCurrentMajorVersionNumber(k registry.Key) string {
     88 	return strconv.FormatUint(getIntegerValue("CurrentMajorVersionNumber", k), 10)
     89 }
     90 
     91 func readCurrentMinorVersionNumber(k registry.Key) string {
     92 	return strconv.FormatUint(getIntegerValue("CurrentMinorVersionNumber", k), 10)
     93 }
     94 
     95 func readCurrentBuildNumber(k registry.Key) string {
     96 	return getStringValue("CurrentBuildNumber", k)
     97 }
     98 
     99 func readUBR(k registry.Key) string {
    100 	return strconv.FormatUint(getIntegerValue("UBR", k), 10)
    101 }