func (p *program) Stop(s service.Service) error {
close(p.exit)
logger.Info("Stopping ", p.DisplayName)
if p.cmd.ProcessState.Exited() == false {
p.cmd.Process.Kill()
}
if service.Interactive() {
os.Exit(0)
}
return nil
}
func (p *program) Start(s service.Service) error {
if service.Interactive() {
logger.Info("Running in terminal.")
} else {
logger.Info("Running under service manager.")
}
p.exit = make(chan struct{})
// Start should not block. Do the actual work async.
go p.run()
return nil
}
func (p *program) run() {
logger.Info("Starting ", p.DisplayName)
defer func() {
if service.Interactive() {
p.Stop(p.service)
} else {
p.service.Stop()
}
}()
if p.Stderr != "" {
f, err := os.OpenFile(p.Stderr, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0777)
if err != nil {
logger.Warningf("Failed to open std err %q: %v", p.Stderr, err)
return
}
defer f.Close()
p.cmd.Stderr = f
}
if p.Stdout != "" {
f, err := os.OpenFile(p.Stdout, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0777)
if err != nil {
logger.Warningf("Failed to open std out %q: %v", p.Stdout, err)
return
}
defer f.Close()
p.cmd.Stdout = f
}
err := p.cmd.Run()
if err != nil {
logger.Warningf("Error running: %v", err)
}
return
}