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Merge pull request #27126 from wojtek-t/fix_intra_pod_test
Automatic merge from submit-queue Make intra-pod networking test work in large clusters Fix #27039 @zmerlynn
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7b22e426ea
@ -113,6 +113,17 @@ var _ = framework.KubeDescribe("Networking", func() {
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framework.ExpectNoError(framework.WaitForAllNodesSchedulable(f.Client))
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nodes := framework.GetReadySchedulableNodesOrDie(f.Client)
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// This test is super expensive in terms of network usage - large services
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// result in huge "Endpoint" objects and all underlying pods read them
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// periodically. Moreover, all KubeProxies watch all of them.
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// Thus we limit the maximum number of pods under a service.
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//
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// TODO: Remove this limitation once services, endpoints and data flows
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// between nodes and master are better optimized.
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maxNodeCount := 250
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if len(nodes.Items) > maxNodeCount {
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nodes.Items = nodes.Items[:maxNodeCount]
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}
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if len(nodes.Items) == 1 {
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// in general, the test requires two nodes. But for local development, often a one node cluster
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@ -276,7 +287,7 @@ func LaunchNetTestPodPerNode(f *framework.Framework, nodes *api.NodeList, name s
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Containers: []api.Container{
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{
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Name: "webserver",
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Image: "gcr.io/google_containers/nettest:1.8",
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Image: "gcr.io/google_containers/nettest:1.9",
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Args: []string{
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"-service=" + name,
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//peers >= totalPods should be asserted by the container.
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