func run(name string, cmd []string, w ...io.Writer) error {
var c, q = context.WithTimeout(context.Background(), *timeout)
defer q()
p, er := process.New(name, strings.Join(cmd, " "), w...)
if er != nil {
return er
}
logger.Debugf("cmd: %s", cmd)
if er := p.Execute(c); er != nil {
return er
}
select {
case <-c.Done():
return fmt.Errorf("cmd %v timed out", p)
case <-p.Exited():
return p.Error()
}
}
func workers(conf *config.Config, c context.Context, quit context.CancelFunc) {
var (
port = time.NewTicker(portInterval)
restart = time.NewTicker(restartInterval)
check = time.NewTicker(checkInterval)
)
logger.Infof("Port update will run once every hour")
logger.Infof("VPN restart will run once every day")
trans, er := process.New("transmission", conf.Transmission.Command, os.Stdout)
if er != nil {
quit()
logger.Fatalf(er.Error())
}
vpn, er := process.New("openvpn", conf.OpenVPN.Command, os.Stdout)
if er != nil {
quit()
logger.Fatalf(er.Error())
}
if er := startProcesses(trans, vpn, conf, c); er != nil {
quit()
logger.Fatalf(er.Error())
}
portUpdate(conf, c)
for {
select {
case <-c.Done():
port.Stop()
restart.Stop()
trans.Stop()
vpn.Stop()
return
case t := <-check.C:
logger.Debugf("Checking transmission port at %v", t)
if er := portCheck(trans, conf, c); er != nil {
if er := restartProcesses(trans, vpn, conf, c); er != nil {
port.Stop()
restart.Stop()
trans.Stop()
vpn.Stop()
logger.Fatalf(er.Error())
}
}
case t := <-port.C:
logger.Infof("Update of Transmission port at %v", t)
if er := portUpdate(conf, c); er != nil {
if er := restartProcesses(trans, vpn, conf, c); er != nil {
port.Stop()
restart.Stop()
trans.Stop()
vpn.Stop()
logger.Fatalf(er.Error())
}
}
case t := <-restart.C:
logger.Infof("Restarting Transmission and OpenVPN at %v", t)
if er := restartProcesses(trans, vpn, conf, c); er != nil {
port.Stop()
restart.Stop()
trans.Stop()
vpn.Stop()
logger.Fatalf(er.Error())
}
}
}
}