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Merge pull request #98551 from aojea/ipv6conn

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deflake ipv6 tcp close_wait
This commit is contained in:
Kubernetes Prow Robot 2021-01-29 11:37:31 -08:00 committed by GitHub
commit 2f4778ca86
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1 changed files with 8 additions and 2 deletions
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8
test/e2e/network/kube_proxy.go
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@ -212,7 +212,7 @@ var _ = SIGDescribe("KubeProxy", func() {
cmd := fmt.Sprintf("conntrack -L -f %s -d %v "+ cmd := fmt.Sprintf("conntrack -L -f %s -d %v "+
"| grep -m 1 'CLOSE_WAIT.*dport=%v' ", "| grep -m 1 'CLOSE_WAIT.*dport=%v' ",
ipFamily, ip, testDaemonTCPPort) ipFamily, ip, testDaemonTCPPort)
if err := wait.PollImmediate(1*time.Second, postFinTimeoutSeconds, func() (bool, error) { if err := wait.PollImmediate(2*time.Second, epsilonSeconds, func() (bool, error) {
result, err := framework.RunHostCmd(fr.Namespace.Name, "e2e-net-exec", cmd) result, err := framework.RunHostCmd(fr.Namespace.Name, "e2e-net-exec", cmd)
// retry if we can't obtain the conntrack entry // retry if we can't obtain the conntrack entry
if err != nil { if err != nil {
@ -234,6 +234,12 @@ var _ = SIGDescribe("KubeProxy", func() {
} }
return false, fmt.Errorf("wrong TCP CLOSE_WAIT timeout: %v expected: %v", timeoutSeconds, expectedTimeoutSeconds) return false, fmt.Errorf("wrong TCP CLOSE_WAIT timeout: %v expected: %v", timeoutSeconds, expectedTimeoutSeconds)
}); err != nil { }); err != nil {
// Dump all conntrack entries for debugging
result, err := framework.RunHostCmd(fr.Namespace.Name, "e2e-net-exec", "conntrack -L")
if err != nil {
framework.Logf("failed to obtain conntrack entry: %v %v", result, err)
}
framework.Logf("conntrack entries for node %v: %v", serverNodeInfo.nodeIP, result)
framework.Failf("no valid conntrack entry for port %d on node %s: %v", testDaemonTCPPort, serverNodeInfo.nodeIP, err) framework.Failf("no valid conntrack entry for port %d on node %s: %v", testDaemonTCPPort, serverNodeInfo.nodeIP, err)
} }
}) })