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Merge pull request #127354 from unvavo/add-test-noderesourcesfit-for-queueinghint

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Add integration test for NodeResourcesFit in requeueing scenarios
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Kubernetes Prow Robot 2024-09-19 09:02:45 +01:00 committed by GitHub
commit 41b7ca240e
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1 changed files with 60 additions and 1 deletions
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61
test/integration/scheduler/queue_test.go
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@ -295,7 +295,7 @@ func TestCoreResourceEnqueue(t *testing.T) {
wantRequeuedPods: sets.New("pod1"), wantRequeuedPods: sets.New("pod1"),
}, },
{ {
name: "Pod got resource scaled down requeued to activeQ", name: "Pod rejected by the NodeResourcesFit plugin is requeued when the Pod is updated to scale down",
initialNodes: []*v1.Node{st.MakeNode().Name("fake-node").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj()}, initialNodes: []*v1.Node{st.MakeNode().Name("fake-node").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj()},
pods: []*v1.Pod{ pods: []*v1.Pod{
// - Pod1 requests a large amount of CPU and will be rejected by the NodeResourcesFit plugin. // - Pod1 requests a large amount of CPU and will be rejected by the NodeResourcesFit plugin.
@ -311,6 +311,65 @@ func TestCoreResourceEnqueue(t *testing.T) {
}, },
wantRequeuedPods: sets.New("pod1"), wantRequeuedPods: sets.New("pod1"),
}, },
{
name: "Pod rejected by the NodeResourcesFit plugin is requeued when a Pod is deleted",
initialNodes: []*v1.Node{st.MakeNode().Name("fake-node").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj()},
initialPods: []*v1.Pod{
st.MakePod().Name("pod1").Req(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Container("image").Node("fake-node").Obj(),
},
pods: []*v1.Pod{
// - Pod2 request will be rejected because there are not enough free resources on the Node
st.MakePod().Name("pod2").Req(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Container("image").Obj(),
},
triggerFn: func(testCtx *testutils.TestContext) error {
// Trigger an assigned Pod1 delete event.
// It makes Pod2 schedulable.
if err := testCtx.ClientSet.CoreV1().Pods(testCtx.NS.Name).Delete(testCtx.Ctx, "pod1", metav1.DeleteOptions{GracePeriodSeconds: new(int64)}); err != nil {
return fmt.Errorf("failed to delete pod1: %w", err)
}
return nil
},
wantRequeuedPods: sets.New("pod2"),
},
{
name: "Pod rejected by the NodeResourcesFit plugin is requeued when a Node is created",
initialNodes: []*v1.Node{st.MakeNode().Name("fake-node1").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj()},
pods: []*v1.Pod{
// - Pod1 requests a large amount of CPU and will be rejected by the NodeResourcesFit plugin.
st.MakePod().Name("pod1").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Container("image").Obj(),
// - Pod2 requests a large amount of CPU and will be rejected by the NodeResourcesFit plugin.
st.MakePod().Name("pod2").Req(map[v1.ResourceName]string{v1.ResourceCPU: "5"}).Container("image").Obj(),
},
triggerFn: func(testCtx *testutils.TestContext) error {
// Trigger a NodeCreated event.
// It makes Pod1 schedulable. Pod2 is not requeued because of having too high requests.
node := st.MakeNode().Name("fake-node2").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Obj()
if _, err := testCtx.ClientSet.CoreV1().Nodes().Create(testCtx.Ctx, node, metav1.CreateOptions{}); err != nil {
return fmt.Errorf("failed to create a new node: %w", err)
}
return nil
},
wantRequeuedPods: sets.New("pod1"),
},
{
name: "Pod rejected by the NodeResourcesFit plugin is requeued when a Node is updated",
initialNodes: []*v1.Node{st.MakeNode().Name("fake-node").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "2"}).Obj()},
pods: []*v1.Pod{
// - Pod1 requests a large amount of CPU and will be rejected by the NodeResourcesFit plugin.
st.MakePod().Name("pod1").Req(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Container("image").Obj(),
// - Pod2 requests a large amount of CPU and will be rejected by the NodeResourcesFit plugin.
st.MakePod().Name("pod2").Req(map[v1.ResourceName]string{v1.ResourceCPU: "5"}).Container("image").Obj(),
},
triggerFn: func(testCtx *testutils.TestContext) error {
// Trigger a NodeUpdate event that increases the CPU capacity of fake-node.
// It makes Pod1 schedulable. Pod2 is not requeued because of having too high requests.
if _, err := testCtx.ClientSet.CoreV1().Nodes().UpdateStatus(testCtx.Ctx, st.MakeNode().Name("fake-node").Capacity(map[v1.ResourceName]string{v1.ResourceCPU: "4"}).Obj(), metav1.UpdateOptions{}); err != nil {
return fmt.Errorf("failed to update fake-node: %w", err)
}
return nil
},
wantRequeuedPods: sets.New("pod1"),
},
{ {
name: "Updating pod condition doesn't retry scheduling if the Pod was rejected by TaintToleration", name: "Updating pod condition doesn't retry scheduling if the Pod was rejected by TaintToleration",
initialNodes: []*v1.Node{st.MakeNode().Name("fake-node").Taints([]v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoSchedule}}).Obj()}, initialNodes: []*v1.Node{st.MakeNode().Name("fake-node").Taints([]v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoSchedule}}).Obj()},