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Remove exit after scale-up is performed #8313

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Merged
merged 1 commit into from
Aug 22, 2025
+6 −12
Merged

Remove exit after scale-up is performed #8313

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14 changes: 4 additions & 10 deletions cluster-autoscaler/core/static_autoscaler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -499,7 +499,7 @@ func (a *StaticAutoscaler) RunOnce(currentTime time.Time) caerrors.AutoscalerErr
return scaleUpStart
}

postScaleUp := func(scaleUpStart time.Time) (bool, caerrors.AutoscalerError) {
postScaleUp := func(scaleUpStart time.Time) {
metrics.UpdateDurationFromStart(metrics.ScaleUp, scaleUpStart)

if a.processors != nil && a.processors.ScaleUpStatusProcessor != nil {
Expand All @@ -509,15 +509,13 @@ func (a *StaticAutoscaler) RunOnce(currentTime time.Time) caerrors.AutoscalerErr

if typedErr != nil {
klog.Errorf("Failed to scale up: %v", typedErr)
return true, typedErr
return
}
if scaleUpStatus.Result == status.ScaleUpSuccessful {
a.lastScaleUpTime = currentTime
// No scale down in this iteration.
scaleDownStatus.Result = scaledownstatus.ScaleDownInCooldown
return true, nil
}
return false, nil
}

shouldScaleUp := true
Expand Down Expand Up @@ -557,9 +555,7 @@ func (a *StaticAutoscaler) RunOnce(currentTime time.Time) caerrors.AutoscalerErr
if shouldScaleUp || a.processors.ScaleUpEnforcer.ShouldForceScaleUp(unschedulablePodsToHelp) {
scaleUpStart := preScaleUp()
scaleUpStatus, typedErr = a.scaleUpOrchestrator.ScaleUp(unschedulablePodsToHelp, readyNodes, daemonsets, nodeInfosForGroups, false)
if exit, err := postScaleUp(scaleUpStart); exit {
return err
}
postScaleUp(scaleUpStart)
}

if a.ScaleDownEnabled {
Expand Down Expand Up @@ -664,9 +660,7 @@ func (a *StaticAutoscaler) RunOnce(currentTime time.Time) caerrors.AutoscalerErr
if a.EnforceNodeGroupMinSize {
scaleUpStart := preScaleUp()
scaleUpStatus, typedErr = a.scaleUpOrchestrator.ScaleUpToNodeGroupMinSize(readyNodes, nodeInfosForGroups)
if exit, err := postScaleUp(scaleUpStart); exit {
return err
}
postScaleUp(scaleUpStart)
}

return nil
Expand Down
4 changes: 2 additions & 2 deletions cluster-autoscaler/core/static_autoscaler_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -847,6 +847,7 @@ func TestStaticAutoscalerRunOnceWithAutoprovisionedEnabled(t *testing.T) {
daemonSetListerMock.On("List", labels.Everything()).Return([]*appsv1.DaemonSet{}, nil).Once()
onNodeGroupCreateMock.On("Create", "autoprovisioned-TN2").Return(nil).Once()
onScaleUpMock.On("ScaleUp", "autoprovisioned-TN2", 1).Return(nil).Once()
onNodeGroupDeleteMock.On("Delete", "autoprovisioned-TN1").Return(nil).Once()

err = autoscaler.RunOnce(time.Now().Add(time.Hour))
assert.NoError(t, err)
Expand Down Expand Up @@ -878,8 +879,7 @@ func TestStaticAutoscalerRunOnceWithAutoprovisionedEnabled(t *testing.T) {
allPodListerMock.On("List").Return([]*apiv1.Pod{p1}, nil).Twice()
podDisruptionBudgetListerMock.On("List").Return([]*policyv1.PodDisruptionBudget{}, nil).Once()
daemonSetListerMock.On("List", labels.Everything()).Return([]*appsv1.DaemonSet{}, nil).Once()
onNodeGroupDeleteMock.On("Delete", "autoprovisioned-"+
"TN1").Return(nil).Once()
onNodeGroupDeleteMock.On("Delete", "autoprovisioned-TN1").Return(nil).Once()
onScaleDownMock.On("ScaleDown", "autoprovisioned-TN2", "n2").Return(nil).Once()

err = autoscaler.RunOnce(time.Now().Add(2 * time.Hour))
Expand Down
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