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Add more Pods and relax skew in E2E spread test

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A spreading test is more meaningful with a greater number of Pods. However, we cannot always expect perfect spreading. We accept a skew of 2 for 5*z Pods, where z is the number of zones.

Change-Id: Iab0de06a95974fbfec604f003b550f15db618ebd
This commit is contained in:
Aldo Culquicondor 2020-10-21 14:10:43 -04:00
parent 161df49979
commit 1840fcd4bb
1 changed files with 3 additions and 3 deletions
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6
test/e2e/scheduling/ubernetes_lite.go
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@ -54,11 +54,11 @@ var _ = SIGDescribe("Multi-AZ Clusters", func() {
// TODO: SkipUnlessDefaultScheduler() // Non-default schedulers might not spread // TODO: SkipUnlessDefaultScheduler() // Non-default schedulers might not spread
}) })
ginkgo.It("should spread the pods of a service across zones", func() { ginkgo.It("should spread the pods of a service across zones", func() {
SpreadServiceOrFail(f, (2*zoneCount)+1, imageutils.GetPauseImageName()) SpreadServiceOrFail(f, 5*zoneCount, imageutils.GetPauseImageName())
}) })
ginkgo.It("should spread the pods of a replication controller across zones", func() { ginkgo.It("should spread the pods of a replication controller across zones", func() {
SpreadRCOrFail(f, int32((2*zoneCount)+1), framework.ServeHostnameImage, []string{"serve-hostname"}) SpreadRCOrFail(f, int32(5*zoneCount), framework.ServeHostnameImage, []string{"serve-hostname"})
}) })
}) })
@ -171,7 +171,7 @@ func checkZoneSpreading(c clientset.Interface, pods *v1.PodList, zoneNames []str
maxPodsPerZone = podCount maxPodsPerZone = podCount
} }
} }
gomega.Expect(minPodsPerZone).To(gomega.BeNumerically("~", maxPodsPerZone, 1), gomega.Expect(maxPodsPerZone-minPodsPerZone).To(gomega.BeNumerically("~", 0, 2),
"Pods were not evenly spread across zones. %d in one zone and %d in another zone", "Pods were not evenly spread across zones. %d in one zone and %d in another zone",
minPodsPerZone, maxPodsPerZone) minPodsPerZone, maxPodsPerZone)
} }