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Merge pull request #85916 from ahg-g/ahg-e2e

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remove max pods from e2e test
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Kubernetes Prow Robot 2019-12-04 15:44:31 -08:00 committed by GitHub
commit e8bc121341
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1 changed files with 0 additions and 41 deletions
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41
test/e2e/scheduling/predicates.go
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@ -70,7 +70,6 @@ type pausePodConfig struct {
var _ = SIGDescribe("SchedulerPredicates [Serial]", func() {
var cs clientset.Interface
var nodeList *v1.NodeList
var totalPodCapacity int64
var RCName string
var ns string
f := framework.NewDefaultFramework("sched-pred")
@ -115,46 +114,6 @@ var _ = SIGDescribe("SchedulerPredicates [Serial]", func() {
})
// This test verifies that max-pods flag works as advertised. It assumes that cluster add-on pods stay stable
// and cannot be run in parallel with any other test that touches Nodes or Pods. It is so because to check
// if max-pods is working we need to fully saturate the cluster and keep it in this state for few seconds.
//
// Slow PR #13315 (8 min)
ginkgo.It("validates MaxPods limit number of pods that are allowed to run [Slow]", func() {
totalPodCapacity = 0
for _, node := range nodeList.Items {
framework.Logf("Node: %v", node)
podCapacity, found := node.Status.Capacity[v1.ResourcePods]
framework.ExpectEqual(found, true)
totalPodCapacity += podCapacity.Value()
}
WaitForPodsToBeDeleted(cs)
currentlyScheduledPods := WaitForStableCluster(cs, masterNodes)
podsNeededForSaturation := int(totalPodCapacity) - currentlyScheduledPods
ginkgo.By(fmt.Sprintf("Starting additional %v Pods to fully saturate the cluster max pods and trying to start another one", podsNeededForSaturation))
// As the pods are distributed randomly among nodes,
// it can easily happen that all nodes are satured
// and there is no need to create additional pods.
// StartPods requires at least one pod to replicate.
if podsNeededForSaturation > 0 {
framework.ExpectNoError(testutils.StartPods(cs, podsNeededForSaturation, ns, "maxp",
*initPausePod(f, pausePodConfig{
Name: "",
Labels: map[string]string{"name": ""},
}), true, framework.Logf))
}
podName := "additional-pod"
WaitForSchedulerAfterAction(f, createPausePodAction(f, pausePodConfig{
Name: podName,
Labels: map[string]string{"name": "additional"},
}), ns, podName, false)
verifyResult(cs, podsNeededForSaturation, 1, ns)
})
// This test verifies we don't allow scheduling of pods in a way that sum of local ephemeral storage limits of pods is greater than machines capacity.
// It assumes that cluster add-on pods stay stable and cannot be run in parallel with any other test that touches Nodes or Pods.
// It is so because we need to have precise control on what's running in the cluster.