// stopStartTask updates the number of running tasks using the Marathon API.
func (m *MarathonScheduler) stopStartTask(task *demand.Task) (blocked bool, err error) {
// Scale app using the Marathon REST API.
status, err := updateApp(m.baseMarathonURL, task.Name, task.Demand)
if err != nil {
return blocked, err
}
switch status {
case 200:
// Update was successful
task.Requested = task.Demand
case 409:
// Deployment is locked and we need to back off
log.Debugf("Deployment locked")
blocked = true
default:
err = fmt.Errorf("Error response code %d from Marathon API", status)
}
return blocked, err
}
