mirror of
https://github.com/netbirdio/netbird.git
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a4826cfb5f
Get static system info once for Windows, Darwin, and Linux nodes This should improve startup and peer authentication times
99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
//go:build !ios
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// +build !ios
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package system
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import (
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"bytes"
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"context"
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"os"
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"os/exec"
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"runtime"
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"strings"
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"time"
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"golang.org/x/sys/unix"
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log "github.com/sirupsen/logrus"
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"github.com/netbirdio/netbird/version"
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)
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// GetInfo retrieves and parses the system information
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func GetInfo(ctx context.Context) *Info {
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utsname := unix.Utsname{}
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err := unix.Uname(&utsname)
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if err != nil {
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log.Warnf("getInfo: %s", err)
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}
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sysName := string(bytes.Split(utsname.Sysname[:], []byte{0})[0])
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machine := string(bytes.Split(utsname.Machine[:], []byte{0})[0])
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release := string(bytes.Split(utsname.Release[:], []byte{0})[0])
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swVersion, err := exec.Command("sw_vers", "-productVersion").Output()
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if err != nil {
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log.Warnf("got an error while retrieving macOS version with sw_vers, error: %s. Using darwin version instead.\n", err)
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swVersion = []byte(release)
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}
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addrs, err := networkAddresses()
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if err != nil {
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log.Warnf("failed to discover network addresses: %s", err)
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}
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start := time.Now()
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si := updateStaticInfo()
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if time.Since(start) > 1*time.Second {
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log.Warnf("updateStaticInfo took %s", time.Since(start))
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}
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gio := &Info{
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Kernel: sysName,
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OSVersion: strings.TrimSpace(string(swVersion)),
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Platform: machine,
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OS: sysName,
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GoOS: runtime.GOOS,
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CPUs: runtime.NumCPU(),
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KernelVersion: release,
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NetworkAddresses: addrs,
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SystemSerialNumber: si.SystemSerialNumber,
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SystemProductName: si.SystemProductName,
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SystemManufacturer: si.SystemManufacturer,
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Environment: si.Environment,
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}
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systemHostname, _ := os.Hostname()
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gio.Hostname = extractDeviceName(ctx, systemHostname)
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gio.WiretrusteeVersion = version.NetbirdVersion()
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gio.UIVersion = extractUserAgent(ctx)
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return gio
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}
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func sysInfo() (serialNumber string, productName string, manufacturer string) {
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out, _ := exec.Command("/usr/sbin/ioreg", "-l").Output() // err ignored for brevity
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for _, l := range strings.Split(string(out), "\n") {
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if strings.Contains(l, "IOPlatformSerialNumber") {
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serialNumber = trimIoRegLine(l)
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}
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if strings.Contains(l, "ModelNumber") && productName == "" {
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productName = trimIoRegLine(l)
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}
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if strings.Contains(l, "device manufacturer") && manufacturer == "" {
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manufacturer = trimIoRegLine(l)
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}
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}
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return
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}
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func trimIoRegLine(l string) string {
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kv := strings.Split(l, "=")
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if len(kv) != 2 {
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return ""
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}
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s := strings.TrimSpace(kv[1])
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return strings.Trim(s, `"`)
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}
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