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Merge pull request #63805 from losipiuk/lo/gpu-e2e-followup
Automatic merge from submit-queue (batch tested with PRs 63492, 62379, 61984, 63805, 63807). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Add e2e test to verify that GPU pool is not scaled up if GPUs are not requested **Release note**: ```release-note NONE ```
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commit
40f8c91e70
@ -253,6 +253,32 @@ var _ = SIGDescribe("Cluster size autoscaling [Slow]", func() {
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Expect(len(getPoolNodes(f, gpuPoolName))).Should(Equal(2))
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})
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It("Should not scale GPU pool up if pod does not require GPUs [Feature:ClusterSizeAutoscalingGpu]", func() {
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framework.SkipUnlessProviderIs("gke")
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const gpuPoolName = "gpu-pool"
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addGpuNodePool(gpuPoolName, "nvidia-tesla-k80", 1, 0)
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defer deleteNodePool(gpuPoolName)
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installNvidiaDriversDaemonSet()
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By("Enable autoscaler")
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framework.ExpectNoError(enableAutoscaler(gpuPoolName, 0, 1))
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defer disableAutoscaler(gpuPoolName, 0, 1)
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Expect(len(getPoolNodes(f, gpuPoolName))).Should(Equal(0))
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By("Schedule bunch of pods beyond point of filling default pool but do not request any GPUs")
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ReserveMemory(f, "memory-reservation", 100, nodeCount*memAllocatableMb, false, 1*time.Second)
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defer framework.DeleteRCAndPods(f.ClientSet, f.InternalClientset, f.ScalesGetter, f.Namespace.Name, "memory-reservation")
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// Verify that cluster size is increased
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framework.ExpectNoError(WaitForClusterSizeFunc(f.ClientSet,
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func(size int) bool { return size >= nodeCount+1 }, scaleUpTimeout))
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// Expect gpu pool to stay intact
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Expect(len(getPoolNodes(f, gpuPoolName))).Should(Equal(0))
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})
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It("Should scale down GPU pool from 1 [Feature:ClusterSizeAutoscalingGpu]", func() {
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framework.SkipUnlessProviderIs("gke")
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