forked from youpenglai/goutils
/
system.go
80 lines (70 loc) · 1.59 KB
/
system.go
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package systool
import (
"github.com/youpenglai/goutils/cmdtool"
"io/ioutil"
"net"
"net/http"
"sort"
"strings"
)
// 获取IP列表/MAC列表
func GetIpMac() (ipList []string, macList []string, err error) {
interfaces, err := net.Interfaces()
if err != nil {
return
}
for _, inter := range interfaces {
if inter.HardwareAddr.String() != "" {
macList = append(macList, inter.HardwareAddr.String())
}
var addrs []net.Addr
addrs, err = inter.Addrs()
if err != nil {
return
}
for _, addr := range addrs {
if ipNet, ok := addr.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
if ipNet.IP.To4() != nil {
ipList = append(ipList, addr.String())
}
}
}
}
sort.Strings(ipList)
sort.Strings(macList)
return
}
// 获取服务器外网IP
func GetExternalIP() (ip string, err error) {
resp, err := http.Get("http://myexternalip.com/raw")
if err != nil {
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return
}
return string(body), nil
}
// 获取主板序列号和UUID(需要root权限才能获取到)
func GetMIDAndUUID() (mid string, uuid string, err error) {
execCmd := `dmidecode |grep -A 10 "System Information" | grep "Serial Number\|UUID"`
outStr, err := cmdtool.Cmd(execCmd)
if err != nil {
return
}
getSubField := func(str string) string {
if n := strings.Index(outStr, str); n >= 0 {
n += len(str)
m := strings.IndexByte(outStr[n:], '\n')
if m != -1 {
return outStr[n:][:m]
} else {
return outStr[n:]
}
}
return ""
}
return getSubField("Serial Number: "), getSubField("UUID: "), nil
}