netbird/client/system/info_linux.go
2024-03-26 15:33:01 +01:00

125 lines
2.9 KiB
Go

//go:build !android
// +build !android
package system
import (
"bytes"
"context"
"os"
"os/exec"
"runtime"
"strings"
"time"
log "github.com/sirupsen/logrus"
"github.com/zcalusic/sysinfo"
"github.com/netbirdio/netbird/client/system/detect_cloud"
"github.com/netbirdio/netbird/client/system/detect_platform"
"github.com/netbirdio/netbird/version"
)
// GetInfo retrieves and parses the system information
func GetInfo(ctx context.Context) *Info {
info := _getInfo()
for strings.Contains(info, "broken pipe") {
info = _getInfo()
time.Sleep(500 * time.Millisecond)
}
releaseInfo := _getReleaseInfo()
for strings.Contains(info, "broken pipe") {
releaseInfo = _getReleaseInfo()
time.Sleep(500 * time.Millisecond)
}
osRelease := strings.Split(releaseInfo, "\n")
var osName string
var osVer string
for _, s := range osRelease {
if strings.HasPrefix(s, "NAME=") {
osName = strings.Split(s, "=")[1]
osName = strings.ReplaceAll(osName, "\"", "")
} else if strings.HasPrefix(s, "VERSION_ID=") {
osVer = strings.Split(s, "=")[1]
osVer = strings.ReplaceAll(osVer, "\"", "")
}
}
osStr := strings.ReplaceAll(info, "\n", "")
osStr = strings.ReplaceAll(osStr, "\r\n", "")
osInfo := strings.Split(osStr, " ")
if osName == "" {
osName = osInfo[3]
}
systemHostname, _ := os.Hostname()
addrs, err := networkAddresses()
if err != nil {
log.Warnf("failed to discover network addresses: %s", err)
}
serialNum, prodName, manufacturer := sysInfo()
env := Environment{
Cloud: detect_cloud.Detect(ctx),
Platform: detect_platform.Detect(ctx),
}
gio := &Info{
Kernel: osInfo[0],
Platform: osInfo[2],
OS: osName,
OSVersion: osVer,
Hostname: extractDeviceName(ctx, systemHostname),
GoOS: runtime.GOOS,
CPUs: runtime.NumCPU(),
WiretrusteeVersion: version.NetbirdVersion(),
UIVersion: extractUserAgent(ctx),
KernelVersion: osInfo[1],
NetworkAddresses: addrs,
SystemSerialNumber: serialNum,
SystemProductName: prodName,
SystemManufacturer: manufacturer,
Environment: env,
}
return gio
}
func _getInfo() string {
cmd := exec.Command("uname", "-srio")
cmd.Stdin = strings.NewReader("some")
var out bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout = &out
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
log.Warnf("getInfo: %s", err)
}
return out.String()
}
func _getReleaseInfo() string {
cmd := exec.Command("cat", "/etc/os-release")
cmd.Stdin = strings.NewReader("some")
var out bytes.Buffer
var stderr bytes.Buffer
cmd.Stdout = &out
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
log.Warnf("geucwReleaseInfo: %s", err)
}
return out.String()
}
func sysInfo() (serialNumber string, productName string, manufacturer string) {
var si sysinfo.SysInfo
si.GetSysInfo()
return si.Chassis.Serial, si.Product.Name, si.Product.Vendor
}