diff --git a/staging/src/k8s.io/apimachinery/pkg/util/wait/wait.go b/staging/src/k8s.io/apimachinery/pkg/util/wait/wait.go index 4e531b330f4..c00cd99139f 100644 --- a/staging/src/k8s.io/apimachinery/pkg/util/wait/wait.go +++ b/staging/src/k8s.io/apimachinery/pkg/util/wait/wait.go @@ -439,6 +439,35 @@ func ExponentialBackoff(backoff Backoff, condition ConditionFunc) error { return ErrWaitTimeout } +// ExponentialBackoffWithContext works with a request context and a Backoff. It ensures that the retry wait never +// exceeds the deadline specified by the request context. +func ExponentialBackoffWithContext(ctx context.Context, backoff Backoff, condition ConditionWithContextFunc) error { + for backoff.Steps > 0 { + select { + case <-ctx.Done(): + return ctx.Err() + default: + } + + if ok, err := runConditionWithCrashProtectionWithContext(ctx, condition); err != nil || ok { + return err + } + + if backoff.Steps == 1 { + break + } + + waitBeforeRetry := backoff.Step() + select { + case <-ctx.Done(): + return ctx.Err() + case <-time.After(waitBeforeRetry): + } + } + + return ErrWaitTimeout +} + // Poll tries a condition func until it returns true, an error, or the timeout // is reached. // @@ -713,32 +742,3 @@ func poller(interval, timeout time.Duration) waitWithContextFunc { return ch }) } - -// ExponentialBackoffWithContext works with a request context and a Backoff. It ensures that the retry wait never -// exceeds the deadline specified by the request context. -func ExponentialBackoffWithContext(ctx context.Context, backoff Backoff, condition ConditionWithContextFunc) error { - for backoff.Steps > 0 { - select { - case <-ctx.Done(): - return ctx.Err() - default: - } - - if ok, err := runConditionWithCrashProtectionWithContext(ctx, condition); err != nil || ok { - return err - } - - if backoff.Steps == 1 { - break - } - - waitBeforeRetry := backoff.Step() - select { - case <-ctx.Done(): - return ctx.Err() - case <-time.After(waitBeforeRetry): - } - } - - return ErrWaitTimeout -}