Method waitForOneRunningInstance

cf/commands/application/start.go:317–350

(app models.Application)

}

func (cmd *Start) waitForOneRunningInstance(app models.Application) error {
	timer := time.NewTimer(cmd.StartupTimeout)

	for {
		select {
		case <-timer.C:
			tipMsg := T("Start app timeout\n\nTIP: Application must be listening on the right port. Instead of hard coding the port, use the $PORT environment variable.") + "\n\n"
			tipMsg += T("Use '{{.Command}}' for more information", map[string]interface{}{"Command": terminal.CommandColor(fmt.Sprintf("%s logs %s --recent", cf.Name, app.Name))})

			return errors.New(tipMsg)

		default:
			count, err := cmd.fetchInstanceCount(app.GUID)
			if err != nil {
				cmd.ui.Warn("Could not fetch instance count: %s", err.Error())
				time.Sleep(cmd.PingerThrottle)
				continue
			}

			cmd.ui.Say(instancesDetails(count))

			if count.running > 0 {
				return nil
			}

			if count.flapping > 0 || count.crashed > 0 {
				return errors.New(T("Start unsuccessful\n\nTIP: use '{{.Command}}' for more information",
					map[string]interface{}{"Command": terminal.CommandColor(fmt.Sprintf("%s logs %s --recent", cf.Name, app.Name))}))
			}

			time.Sleep(cmd.PingerThrottle)
		}
	}
}

type instanceCount struct {
	running         int