mirror of https://github.com/status-im/consul.git
Add durable HostID generation for Windows.
https://github.com/shirou/gopsutil/pull/312
This commit is contained in:
parent
04d4bc9ea2
commit
ee8705f549
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@ -7,7 +7,9 @@ import (
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"os"
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"runtime"
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"strings"
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"syscall"
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"time"
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"unsafe"
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"github.com/StackExchange/wmi"
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@ -33,34 +35,77 @@ func Info() (*InfoStat, error) {
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OS: runtime.GOOS,
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}
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hostname, err := os.Hostname()
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if err == nil {
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ret.Hostname = hostname
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{
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hostname, err := os.Hostname()
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if err == nil {
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ret.Hostname = hostname
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}
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}
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platform, family, version, err := PlatformInformation()
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if err == nil {
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ret.Platform = platform
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ret.PlatformFamily = family
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ret.PlatformVersion = version
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} else {
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return ret, err
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{
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platform, family, version, err := PlatformInformation()
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if err == nil {
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ret.Platform = platform
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ret.PlatformFamily = family
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ret.PlatformVersion = version
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} else {
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return ret, err
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}
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}
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boot, err := BootTime()
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if err == nil {
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ret.BootTime = boot
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ret.Uptime, _ = Uptime()
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{
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boot, err := BootTime()
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if err == nil {
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ret.BootTime = boot
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ret.Uptime, _ = Uptime()
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}
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}
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procs, err := process.Pids()
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if err == nil {
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ret.Procs = uint64(len(procs))
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{
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hostID, err := getMachineGuid()
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if err == nil {
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ret.HostID = hostID
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}
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}
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{
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procs, err := process.Pids()
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if err == nil {
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ret.Procs = uint64(len(procs))
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}
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}
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return ret, nil
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}
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func getMachineGuid() (string, error) {
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var h syscall.Handle
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err := syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(`SOFTWARE\Microsoft\Cryptography`), 0, syscall.KEY_READ, &h)
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if err != nil {
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return "", err
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}
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defer syscall.RegCloseKey(h)
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const windowsRegBufLen = 74 // len(`{`) + len(`abcdefgh-1234-456789012-123345456671` * 2) + len(`}`) // 2 == bytes/UTF16
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const uuidLen = 36
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var regBuf [windowsRegBufLen]uint16
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bufLen := uint32(windowsRegBufLen)
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var valType uint32
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err = syscall.RegQueryValueEx(h, syscall.StringToUTF16Ptr(`MachineGuid`), nil, &valType, (*byte)(unsafe.Pointer(®Buf[0])), &bufLen)
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if err != nil {
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return "", err
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}
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hostID := syscall.UTF16ToString(regBuf[:])
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hostIDLen := len(hostID)
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if hostIDLen != uuidLen {
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return "", fmt.Errorf("HostID incorrect: %q\n", hostID)
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}
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return hostID, nil
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}
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func GetOSInfo() (Win32_OperatingSystem, error) {
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var dst []Win32_OperatingSystem
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q := wmi.CreateQuery(&dst, "")
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@ -130,7 +175,6 @@ func PlatformInformation() (platform string, family string, version string, err
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}
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func Users() ([]UserStat, error) {
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var ret []UserStat
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return ret, nil
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