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Merge pull request #128648 from pohly/dra-scheduler-perf-flake

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scheduler_perf: fix steady-state pod creation/deletion
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Kubernetes Prow Robot 2024-11-07 12:33:41 +00:00 committed by GitHub
commit 48ead4e622
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1 changed files with 9 additions and 2 deletions
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11
test/integration/scheduler_perf/scheduler_perf.go
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@ -1953,12 +1953,19 @@ func createPodsSteadily(tCtx ktesting.TContext, namespace string, podInformer co
}, metav1.ListOptions{}) }, metav1.ListOptions{})
// Ignore errors when the time is up. errors.Is(context.Canceled) would // Ignore errors when the time is up. errors.Is(context.Canceled) would
// be more precise, but doesn't work because client-go doesn't reliably // be more precise, but doesn't work because client-go doesn't reliably
// propagate it. Instead, this was seen: // propagate it.
// client rate limiter Wait returned an error: rate: Wait(n=1) would exceed context deadline
if tCtx.Err() != nil { if tCtx.Err() != nil {
continue continue
} }
if err != nil { if err != nil {
// Worse, sometimes rate limiting gives up *before* the context deadline is reached.
// Then we get here with this error:
// client rate limiter Wait returned an error: rate: Wait(n=1) would exceed context deadline
//
// This also can be ignored. We'll retry if the test is not done yet.
if strings.Contains(err.Error(), "would exceed context deadline") {
continue
}
return fmt.Errorf("delete scheduled pods: %w", err) return fmt.Errorf("delete scheduled pods: %w", err)
} }
err = strategy(tCtx, tCtx.Client(), namespace, cpo.Count) err = strategy(tCtx, tCtx.Client(), namespace, cpo.Count)