mirror of
https://gitee.com/rainbond/Rainbond.git
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120 lines
3.1 KiB
Go
120 lines
3.1 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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package main
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import (
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"bufio"
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"context"
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"io"
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"os"
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"os/exec"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"github.com/goodrain/rainbond/util/windows"
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"github.com/sirupsen/logrus"
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"github.com/goodrain/rainbond/cmd/windowsutil/option"
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"github.com/spf13/pflag"
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)
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func main() {
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conf := option.Config{}
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conf.AddFlags(pflag.CommandLine)
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pflag.Parse()
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if !conf.Check() {
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return
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}
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ctx, cancel := context.WithCancel(context.Background())
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shell := strings.Split(conf.RunShell, " ")
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logrus.Infof("run shell: %s", shell)
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cmd := exec.CommandContext(ctx, shell[0], shell[1:]...)
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startFunc := func() error {
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cmd.Stdin = os.Stdin
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reader, err := cmd.StdoutPipe()
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if err != nil {
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logrus.Errorf("open command stdout error %s", err.Error())
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}
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errReader, err := cmd.StderrPipe()
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if err != nil {
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logrus.Errorf("open command stderr error %s", err.Error())
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}
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go readBuffer(reader, logrus.Info)
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go readBuffer(errReader, logrus.Error)
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go func() {
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logrus.Info("start run progress")
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err := cmd.Start()
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if err != nil {
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logrus.Errorf("start cmd failure %s", err.Error())
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cancel()
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}
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}()
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var s os.Signal = syscall.SIGTERM
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defer func() {
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if cmd.Process != nil {
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if err := cmd.Process.Signal(s); err != nil {
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logrus.Errorf("send SIGTERM signal to progress failure %s", err.Error())
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}
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time.Sleep(time.Second * 2)
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}
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}()
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//step finally: listen Signal
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term := make(chan os.Signal)
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signal.Notify(term, os.Interrupt, syscall.SIGTERM)
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select {
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case ls := <-term:
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s = ls
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logrus.Warn("Received SIGTERM, exiting gracefully...")
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case <-ctx.Done():
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}
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logrus.Info("See you next time!")
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return nil
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}
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stopFunc := func() error {
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cancel()
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return nil
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}
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if conf.RunAsService {
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if err := windows.RunAsService(conf.ServiceName, startFunc, stopFunc, conf.Debug); err != nil {
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logrus.Fatalf("run command failure %s", err.Error())
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}
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} else {
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startFunc()
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}
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}
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func readBuffer(reader io.ReadCloser, print func(args ...interface{})) {
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defer reader.Close()
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bufreader := bufio.NewReader(reader)
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for {
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line, _, err := bufreader.ReadLine()
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if err != nil {
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if err == io.EOF {
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return
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}
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logrus.Errorf("read log buffer failure %s", err.Error())
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return
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}
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print(string(line))
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}
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}
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