mirror of
https://gitee.com/rainbond/Rainbond.git
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80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2017 Goodrain Co., Ltd.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// +build linux
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package info
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import (
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"bufio"
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"io/ioutil"
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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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"syscall"
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"github.com/goodrain/rainbond/node/nodem/client"
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)
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//GetSystemInfo GetSystemInfo
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func GetSystemInfo() (info client.NodeSystemInfo) {
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info.Architecture = runtime.GOARCH
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b, _ := ioutil.ReadFile("/etc/machine-id")
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info.MachineID = string(b)
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output, _ := exec.Command("uname", "-r").Output()
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info.KernelVersion = string(output)
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osInfo := readOS()
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if name, ok := osInfo["NAME"]; ok {
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info.OSImage = name
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}
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info.OperatingSystem = runtime.GOOS
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info.MemorySize, _ = getMemory()
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info.NumCPU = int64(runtime.NumCPU())
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return info
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}
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func readOS() map[string]string {
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f, err := os.Open("/etc/os-release")
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if err != nil {
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return nil
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}
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defer f.Close()
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var info = make(map[string]string)
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r := bufio.NewReader(f)
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for {
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line, _, err := r.ReadLine()
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if err != nil {
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return info
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}
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lines := strings.Split(string(line), "=")
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if len(lines) >= 2 {
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info[lines[0]] = lines[1]
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}
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}
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}
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func getMemory() (total uint64, free uint64) {
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sysInfo := new(syscall.Sysinfo_t)
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err := syscall.Sysinfo(sysInfo)
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if err == nil {
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return uint64(sysInfo.Totalram) * uint64(sysInfo.Unit), sysInfo.Freeram * uint64(syscall.Getpagesize())
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}
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return 0, 0
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}
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