func catLogHook(logPath string) terminationHook {
return func(provider string, nodes *v1.NodeList) {
for _, n := range nodes.Items {
cmd := fmt.Sprintf("cat %v && rm %v", logPath, logPath)
if _, err := framework.IssueSSHCommandWithResult(cmd, provider, &n); err != nil {
framework.Logf("Error while issuing ssh command: %v", err)
}
}
}
}
jsonBytes, err := json.Marshal(options)
cmd := fmt.Sprintf(
`curl -X POST http://localhost:%v/run/nat-closewait-client -d `+
`'%v' 2>/dev/null`,
testDaemonHttpPort,
string(jsonBytes))
framework.RunHostCmdOrDie(fr.Namespace.Name, "e2e-net-client", cmd)
<-time.After(time.Duration(1) * time.Second)
By("Checking /proc/net/nf_conntrack for the timeout")
// If test flakes occur here, then this check should be performed
// in a loop as there may be a race with the client connecting.
framework.IssueSSHCommandWithResult(
fmt.Sprintf("sudo cat /proc/net/ip_conntrack | grep 'dport=%v'",
testDaemonTcpPort),
framework.TestContext.Provider,
clientNodeInfo.node)
// Timeout in seconds is available as the third column from
// /proc/net/ip_conntrack.
result, err := framework.IssueSSHCommandWithResult(
fmt.Sprintf(
"sudo cat /proc/net/ip_conntrack "+
"| grep 'CLOSE_WAIT.*dst=%v.*dport=%v' "+
"| awk '{print $3}'",
serverNodeInfo.nodeIp,
testDaemonTcpPort),
framework.TestContext.Provider,
clientNodeInfo.node)
framework.ExpectNoError(err)