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83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
// +build windows
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/*
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Copyright 2017 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package winstats
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import (
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"fmt"
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"golang.org/x/sys/windows/registry"
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)
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//OSInfo is a convenience class for retrieving Windows OS information
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type OSInfo struct {
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BuildNumber, ProductName string
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MajorVersion, MinorVersion, UBR uint64
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}
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// GetOSInfo reads Windows version information from the registry
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func GetOSInfo() (*OSInfo, error) {
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k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE)
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if err != nil {
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return nil, err
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}
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defer k.Close()
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buildNumber, _, err := k.GetStringValue("CurrentBuildNumber")
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if err != nil {
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return nil, err
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}
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majorVersionNumber, _, err := k.GetIntegerValue("CurrentMajorVersionNumber")
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if err != nil {
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return nil, err
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}
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minorVersionNumber, _, err := k.GetIntegerValue("CurrentMinorVersionNumber")
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if err != nil {
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return nil, err
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}
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revision, _, err := k.GetIntegerValue("UBR")
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if err != nil {
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return nil, err
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}
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productName, _, err := k.GetStringValue("ProductName")
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if err != nil {
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return nil, nil
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}
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return &OSInfo{
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BuildNumber: buildNumber,
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ProductName: productName,
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MajorVersion: majorVersionNumber,
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MinorVersion: minorVersionNumber,
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UBR: revision,
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}, nil
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}
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//GetPatchVersion returns full OS version with patch
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func (o *OSInfo) GetPatchVersion() string {
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return fmt.Sprintf("%d.%d.%s.%d", o.MajorVersion, o.MinorVersion, o.BuildNumber, o.UBR)
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}
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//GetBuild returns OS version upto build number
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func (o *OSInfo) GetBuild() string {
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return fmt.Sprintf("%d.%d.%s", o.MajorVersion, o.MinorVersion, o.BuildNumber)
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}
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