Method installSystemdService

internal/utils/service_linux.go:114–169

install systemd service

(systemd, exePath string, args []string)

// install systemd service
func (this *ServiceManager) installSystemdService(systemd, exePath string, args []string) error {
	var shortName = teaconst.SystemdServiceName
	var longName = "GoEdge Node" // TODO 将来可以修改

	var startCmd = exePath + " daemon"
	bashPath, _ := executils.LookPath("bash")
	if len(bashPath) > 0 {
		startCmd = bashPath + " -c \"" + startCmd + "\""
	}

	var desc = `### BEGIN INIT INFO
# Provides:          ` + shortName + `
# Required-Start:    $all
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:
# Short-Description: ` + longName + ` Service
### END INIT INFO

[Unit]
Description=` + longName + ` Service
Before=shutdown.target
After=network-online.target

[Service]
Type=simple
Restart=always
RestartSec=1s
ExecStart=` + startCmd + `
ExecStop=` + exePath + ` stop
ExecReload=` + exePath + ` reload

[Install]
WantedBy=multi-user.target`

	// write file
	err := os.WriteFile(systemdServiceFile, []byte(desc), 0777)
	if err != nil {
		return err
	}

	// stop current systemd service if running
	_ = executils.NewTimeoutCmd(10*time.Second, systemd, "stop", shortName+".service").Start()

	// reload
	_ = executils.NewTimeoutCmd(10*time.Second, systemd, "daemon-reload").Start()

	// enable
	var cmd = executils.NewTimeoutCmd(10*time.Second, systemd, "enable", shortName+".service")
	cmd.WithStderr()
	err = cmd.Run()
	if err != nil {
		return fmt.Errorf("%w: %s", err, cmd.Stderr())
	}
	return nil
}