// Scale updates a Job to a new size, with optional precondition check (if preconditions is not nil),
// optional retries (if retry is not nil), and then optionally waits for parallelism to reach desired
// number, which can be less than requested based on job's current progress.
func (scaler *JobScaler) Scale(namespace, name string, newSize uint, preconditions *ScalePrecondition, retry, waitForReplicas *RetryParams) error {
if preconditions == nil {
preconditions = &ScalePrecondition{-1, ""}
}
if retry == nil {
// Make it try only once, immediately
retry = &RetryParams{Interval: time.Millisecond, Timeout: time.Millisecond}
}
cond := ScaleCondition(scaler, preconditions, namespace, name, newSize, nil)
if err := wait.Poll(retry.Interval, retry.Timeout, cond); err != nil {
return err
}
if waitForReplicas != nil {
job, err := scaler.c.Jobs(namespace).Get(name, metav1.GetOptions{})
if err != nil {
return err
}
err = wait.Poll(waitForReplicas.Interval, waitForReplicas.Timeout, client.JobHasDesiredParallelism(scaler.c, job))
if err == wait.ErrWaitTimeout {
return fmt.Errorf("timed out waiting for %q to be synced", name)
}
return err
}
return nil
}
// Scale updates a Job to a new size, with optional precondition check (if preconditions is not nil),
// optional retries (if retry is not nil), and then optionally waits for parallelism to reach desired
// number, which can be less than requested based on job's current progress.
func (scaler *JobScaler) Scale(namespace, name string, newSize uint, preconditions *ScalePrecondition, retry, waitForReplicas *RetryParams) error {
if preconditions == nil {
preconditions = &ScalePrecondition{-1, ""}
}
if retry == nil {
// Make it try only once, immediately
retry = &RetryParams{Interval: time.Millisecond, Timeout: time.Millisecond}
}
cond := ScaleCondition(scaler, preconditions, namespace, name, newSize)
if err := wait.Poll(retry.Interval, retry.Timeout, cond); err != nil {
return err
}
if waitForReplicas != nil {
job, err := scaler.c.Experimental().Jobs(namespace).Get(name)
if err != nil {
return err
}
return wait.Poll(waitForReplicas.Interval, waitForReplicas.Timeout,
client.JobHasDesiredParallelism(scaler.c, job))
}
return nil
}