github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-29 06:27:05 +00:00
Code Issues Projects Releases Wiki Activity

Add e2e test to verify that GPU pool is not scaled up if GPUs are not requested by pods

Browse Source
This commit is contained in:
Łukasz Osipiuk 2018-05-14 16:25:22 +02:00
parent 773def0194
commit ec0a9aae28
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
test/e2e/autoscaling/cluster_size_autoscaling.go
View File

@ -253,6 +253,32 @@ var _ = SIGDescribe("Cluster size autoscaling [Slow]", func() {
Expect(len(getPoolNodes(f, gpuPoolName))).Should(Equal(2))
})
It("Should not scale GPU pool up if pod does not require GPUs [Feature:ClusterSizeAutoscalingGpu]", func() {
framework.SkipUnlessProviderIs("gke")
const gpuPoolName = "gpu-pool"
addGpuNodePool(gpuPoolName, "nvidia-tesla-k80", 1, 0)
defer deleteNodePool(gpuPoolName)
installNvidiaDriversDaemonSet()
By("Enable autoscaler")
framework.ExpectNoError(enableAutoscaler(gpuPoolName, 0, 1))
defer disableAutoscaler(gpuPoolName, 0, 1)
Expect(len(getPoolNodes(f, gpuPoolName))).Should(Equal(0))
By("Schedule bunch of pods beyond point of filling default pool but do not request any GPUs")
ReserveMemory(f, "memory-reservation", 100, nodeCount*memAllocatableMb, false, 1*time.Second)
defer framework.DeleteRCAndPods(f.ClientSet, f.InternalClientset, f.ScalesGetter, f.Namespace.Name, "memory-reservation")
// Verify that cluster size is increased
framework.ExpectNoError(WaitForClusterSizeFunc(f.ClientSet,
func(size int) bool { return size >= nodeCount+1 }, scaleUpTimeout))
// Expect gpu pool to stay intact
Expect(len(getPoolNodes(f, gpuPoolName))).Should(Equal(0))
})
It("Should scale down GPU pool from 1 [Feature:ClusterSizeAutoscalingGpu]", func() {
framework.SkipUnlessProviderIs("gke")