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Merge pull request #120428 from pohly/dra-scheduler-reallocation-flake

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DRA: scheduler reallocation flake
This commit is contained in:
Kubernetes Prow Robot
2023-09-11 02:56:12 -07:00
committed by GitHub
parent cc0a24d2e8 6f9140e421
commit 6c578bc982
1 changed files with 14 additions and 0 deletions
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14
pkg/scheduler/framework/plugins/dynamicresources/dynamicresources.go
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@@ -42,6 +42,7 @@ import (
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/feature"
"k8s.io/kubernetes/pkg/scheduler/framework/plugins/names"
schedutil "k8s.io/kubernetes/pkg/scheduler/util"
"k8s.io/utils/ptr"
)
const (
@@ -762,6 +763,19 @@ func (pl *dynamicResources) PostFilter(ctx context.Context, cs *framework.CycleS
claim := state.claims[index]
if len(claim.Status.ReservedFor) == 0 ||
len(claim.Status.ReservedFor) == 1 && claim.Status.ReservedFor[0].UID == pod.UID {
// Before we tell a driver to deallocate a claim, we
// have to stop telling it to allocate. Otherwise,
// depending on timing, it will deallocate the claim,
// see a PodSchedulingContext with selected node, and
// allocate again for that same node.
if state.podSchedulingState.schedulingCtx != nil &&
state.podSchedulingState.schedulingCtx.Spec.SelectedNode != "" {
state.podSchedulingState.selectedNode = ptr.To("")
if err := state.podSchedulingState.publish(ctx, pod, pl.clientset); err != nil {
return nil, statusError(logger, err)
}
}
claim := state.claims[index].DeepCopy()
claim.Status.DeallocationRequested = true
claim.Status.ReservedFor = nil