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Merge pull request #97209 from jayunit100/patch-17

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Update hybrid_network.go
This commit is contained in:
Kubernetes Prow Robot 2021-01-12 15:06:48 -08:00 committed by GitHub
commit 981afd2bff
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1 changed files with 15 additions and 6 deletions
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21
test/e2e/windows/hybrid_network.go
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@ -50,19 +50,27 @@ var _ = SIGDescribe("Hybrid cluster network", func() {
ginkgo.Context("for all supported CNIs", func() {
ginkgo.It("should have stable networking for Linux and Windows pods", func() {
ginkgo.By("creating linux and windows pods")
linuxPod := createTestPod(f, linuxBusyBoxImage, linuxOS)
ginkgo.By("creating a linux pod and waiting for it to be running")
linuxPod = f.PodClient().CreateSync(linuxPod)
windowsPod := createTestPod(f, windowsBusyBoximage, windowsOS)
windowsPod.Spec.Containers[0].Args = []string{"test-webserver"}
ginkgo.By("creating a windows pod and waiting for it to be running")
windowsPod = f.PodClient().CreateSync(windowsPod)
ginkgo.By("verifying pod external connectivity to the internet")
ginkgo.By("checking connectivity to 8.8.8.8 53 (google.com) from Linux")
assertConsistentConnectivity(f, linuxPod.ObjectMeta.Name, linuxOS, linuxCheck("8.8.8.8", 53))
ginkgo.By("checking connectivity to www.google.com from Windows")
assertConsistentConnectivity(f, windowsPod.ObjectMeta.Name, windowsOS, windowsCheck("www.google.com"))
ginkgo.By("verifying pod internal connectivity to the cluster dataplane")
ginkgo.By("checking connectivity from Linux to Windows")
assertConsistentConnectivity(f, linuxPod.ObjectMeta.Name, linuxOS, linuxCheck(windowsPod.Status.PodIP, 80))
@ -75,27 +83,28 @@ var _ = SIGDescribe("Hybrid cluster network", func() {
})
var (
duration = "10s"
pollInterval = "1s"
timeout = 10 // seconds
duration = "10s"
pollInterval = "1s"
timeoutSeconds = 10
)
func assertConsistentConnectivity(f *framework.Framework, podName string, os string, cmd []string) {
gomega.Consistently(func() error {
ginkgo.By(fmt.Sprintf("checking connectivity of %s-container in %s", os, podName))
// TODO, we should be retrying this similar to what is done in DialFromNode, in the test/e2e/networking/networking.go tests
_, _, err := f.ExecCommandInContainerWithFullOutput(podName, os+"-container", cmd...)
return err
}, duration, pollInterval).ShouldNot(gomega.HaveOccurred())
}
func linuxCheck(address string, port int) []string {
nc := fmt.Sprintf("nc -vz %s %v -w %v", address, port, timeout)
nc := fmt.Sprintf("nc -vz %s %v -w %v", address, port, timeoutSeconds)
cmd := []string{"/bin/sh", "-c", nc}
return cmd
}
func windowsCheck(address string) []string {
curl := fmt.Sprintf("curl.exe %s --connect-timeout %v --fail", address, timeout)
curl := fmt.Sprintf("curl.exe %s --connect-timeout %v --fail", address, timeoutSeconds)
cmd := []string{"cmd", "/c", curl}
return cmd
}