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Merge pull request #53980 from aleksandra-malinowska/scale-from-0-gke

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Automatic merge from submit-queue. 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>.

Enable autoscaling test of scale from 0 in GKE

This enables scale from zero test scenario in GKE jobs.
This commit is contained in:
Kubernetes Submit Queue 2017-10-16 07:36:22 -07:00 committed by GitHub
commit 328fa9aba2
1 changed files with 24 additions and 10 deletions
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34
test/e2e/autoscaling/cluster_size_autoscaling.go
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@ -582,18 +582,31 @@ var _ = SIGDescribe("Cluster size autoscaling [Slow]", func() {
})
It("Should be able to scale a node group up from 0[Feature:ClusterSizeAutoscalingScaleUp]", func() {
framework.SkipUnlessAtLeast(len(originalSizes), 2, "At least 2 node groups are needed for scale-to-0 tests")
By("Manually scale smallest node group to 0")
minMig := ""
minSize := nodeCount
for mig, size := range originalSizes {
if size <= minSize {
minMig = mig
minSize = size
// Provider-specific setup
if framework.ProviderIs("gke") {
// GKE-specific setup
By("Add a new node pool with 0 nodes and min size 0")
const extraPoolName = "extra-pool"
addNodePool(extraPoolName, "n1-standard-4", 0)
defer deleteNodePool(extraPoolName)
framework.ExpectNoError(enableAutoscaler(extraPoolName, 0, 1))
defer disableAutoscaler(extraPoolName, 0, 1)
} else {
// on GCE, run only if there are already at least 2 node groups
framework.SkipUnlessAtLeast(len(originalSizes), 2, "At least 2 node groups are needed for scale-to-0 tests")
By("Manually scale smallest node group to 0")
minMig := ""
minSize := nodeCount
for mig, size := range originalSizes {
if size <= minSize {
minMig = mig
minSize = size
}
}
framework.ExpectNoError(framework.ResizeGroup(minMig, int32(0)))
framework.ExpectNoError(framework.WaitForReadyNodes(c, nodeCount-minSize, resizeTimeout))
}
framework.ExpectNoError(framework.ResizeGroup(minMig, int32(0)))
framework.ExpectNoError(framework.WaitForReadyNodes(c, nodeCount-minSize, resizeTimeout))
By("Make remaining nodes unschedulable")
nodes, err := f.ClientSet.Core().Nodes().List(metav1.ListOptions{FieldSelector: fields.Set{
@ -607,6 +620,7 @@ var _ = SIGDescribe("Cluster size autoscaling [Slow]", func() {
defer func(n v1.Node) {
makeNodeSchedulable(f.ClientSet, &n, false)
}(node)
framework.ExpectNoError(err)
}