code: func (c *jobController) IsCleaningJobRunning(pvName string) bool {
  	jobName := generateCleaningJobName(pvName)
  	job, err := c.jobLister.Jobs(c.namespace).Get(jobName)
  	if errors.IsNotFound(err) {
  		return false
  	}
  
  	if err != nil {
  		glog.Warningf("Failed to check whether job %s is running (%s). Assuming its still running.",
  			jobName, err)
  		return true
  	}
  
  	return job.Status.Succeeded <= 0
  }
docs: // IsCleaningJobRunning returns true if a cleaning job is running for the specified PV.