in awsiotjobs/awsiotjobs.go [204:211]
func (je *JobExecution) InProgress(statusDetails StatusDetails) error {
log.Printf("JOB IN_PROGRESS: %v\n", statusDetails)
je.mux.Lock()
je.StatusDetails = statusDetails
je.Status = "IN_PROGRESS"
je.mux.Unlock()
return je.sendUpdate()
}