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Merge pull request #28208 from mwielgus/check-extra-node-pool

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Automatic merge from submit-queue

Check if Cluster Autoscaler still works if there is an extra non-autoscaled node pool in the cluster

Follow up for issue https://github.com/kubernetes/contrib/issues/1283.
This commit is contained in:
k8s-merge-robot 2016-06-29 01:33:39 -07:00 committed by GitHub
commit 30e25ada7a
1 changed files with 36 additions and 0 deletions
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36
test/e2e/cluster_size_autoscaling.go
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@ -132,6 +132,42 @@ var _ = framework.KubeDescribe("Cluster size autoscaling [Slow]", func() {
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c)) framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
}) })
It("should increase cluster size if pending pods are small and there is another node pool that is not autoscaled [Feature:ClusterSizeAutoscalingScaleUp]", func() {
framework.SkipUnlessProviderIs("gke")
By("Creating new node-pool with one n1-standard-4 machine")
const extraPoolName = "extra-pool"
output, err := exec.Command("gcloud", "alpha", "container", "node-pools", "create", extraPoolName, "--quiet",
"--machine-type=n1-standard-4",
"--num-nodes=1",
"--project="+framework.TestContext.CloudConfig.ProjectID,
"--zone="+framework.TestContext.CloudConfig.Zone,
"--cluster="+framework.TestContext.CloudConfig.Cluster).CombinedOutput()
defer func() {
glog.Infof("Deleting node pool %s", extraPoolName)
output, err := exec.Command("gcloud", "alpha", "container", "node-pools", "delete", extraPoolName, "--quiet",
"--project="+framework.TestContext.CloudConfig.ProjectID,
"--zone="+framework.TestContext.CloudConfig.Zone,
"--cluster="+framework.TestContext.CloudConfig.Cluster).CombinedOutput()
if err != nil {
glog.Infof("Error: %v", err)
}
glog.Infof("Node-pool deletion output: %s", output)
}()
framework.ExpectNoError(err)
glog.Infof("Creating node-pool: %s", output)
framework.ExpectNoError(framework.WaitForClusterSize(c, nodeCount+1, resizeTimeout))
glog.Infof("Not enabling cluster autoscaler for the node pool (on purpose).")
ReserveMemory(f, "memory-reservation", 100, nodeCount*memCapacityMb, false)
defer framework.DeleteRC(f.Client, f.Namespace.Name, "memory-reservation")
// Verify, that cluster size is increased
framework.ExpectNoError(WaitForClusterSizeFunc(f.Client,
func(size int) bool { return size >= nodeCount+1 }, scaleUpTimeout))
framework.ExpectNoError(waitForAllCaPodsReadyInNamespace(f, c))
})
It("should increase cluster size if pods are pending due to host port conflict [Feature:ClusterSizeAutoscalingScaleUp]", func() { It("should increase cluster size if pods are pending due to host port conflict [Feature:ClusterSizeAutoscalingScaleUp]", func() {
CreateHostPortPods(f, "host-port", nodeCount+2, false) CreateHostPortPods(f, "host-port", nodeCount+2, false)
defer framework.DeleteRC(f.Client, f.Namespace.Name, "host-port") defer framework.DeleteRC(f.Client, f.Namespace.Name, "host-port")