func doTestConnectSendDisconnect(bindAddress string, f *framework.Framework) {
By("creating the target pod")
pod := pfPod("", "10", "10", "100", fmt.Sprintf("%s", bindAddress))
if _, err := f.ClientSet.Core().Pods(f.Namespace.Name).Create(pod); err != nil {
framework.Failf("Couldn't create pod: %v", err)
}
if err := f.WaitForPodReady(pod.Name); err != nil {
framework.Failf("Pod did not start running: %v", err)
}
defer func() {
logs, err := framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, "portforwardtester")
if err != nil {
framework.Logf("Error getting pod log: %v", err)
} else {
framework.Logf("Pod log:\n%s", logs)
}
}()
By("Running 'kubectl port-forward'")
cmd := runPortForward(f.Namespace.Name, pod.Name, 80)
defer cmd.Stop()
By("Dialing the local port")
conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", cmd.port))
if err != nil {
framework.Failf("Couldn't connect to port %d: %v", cmd.port, err)
}
defer func() {
By("Closing the connection to the local port")
conn.Close()
}()
By("Reading data from the local port")
fromServer, err := ioutil.ReadAll(conn)
if err != nil {
framework.Failf("Unexpected error reading data from the server: %v", err)
}
if e, a := strings.Repeat("x", 100), string(fromServer); e != a {
framework.Failf("Expected %q from server, got %q", e, a)
}
By("Waiting for the target pod to stop running")
if err := WaitForTerminatedContainer(f, pod, "portforwardtester"); err != nil {
framework.Failf("Container did not terminate: %v", err)
}
By("Verifying logs")
logOutput, err := framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, "portforwardtester")
if err != nil {
framework.Failf("Error retrieving pod logs: %v", err)
}
verifyLogMessage(logOutput, "Accepted client connection")
verifyLogMessage(logOutput, "Done")
}
func doTestMustConnectSendNothing(bindAddress string, f *framework.Framework) {
By("creating the target pod")
pod := pfPod("abc", "1", "1", "1", fmt.Sprintf("%s", bindAddress))
if _, err := f.ClientSet.Core().Pods(f.Namespace.Name).Create(pod); err != nil {
framework.Failf("Couldn't create pod: %v", err)
}
if err := f.WaitForPodReady(pod.Name); err != nil {
framework.Failf("Pod did not start running: %v", err)
}
defer func() {
logs, err := framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, "portforwardtester")
if err != nil {
framework.Logf("Error getting pod log: %v", err)
} else {
framework.Logf("Pod log:\n%s", logs)
}
}()
By("Running 'kubectl port-forward'")
cmd := runPortForward(f.Namespace.Name, pod.Name, 80)
defer cmd.Stop()
By("Dialing the local port")
conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", cmd.port))
if err != nil {
framework.Failf("Couldn't connect to port %d: %v", cmd.port, err)
}
By("Closing the connection to the local port")
conn.Close()
By("Waiting for the target pod to stop running")
if err := WaitForTerminatedContainer(f, pod, "portforwardtester"); err != nil {
framework.Failf("Container did not terminate: %v", err)
}
By("Verifying logs")
logOutput, err := framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, "portforwardtester")
if err != nil {
framework.Failf("Error retrieving pod logs: %v", err)
}
verifyLogMessage(logOutput, "Accepted client connection")
verifyLogMessage(logOutput, "Expected to read 3 bytes from client, but got 0 instead")
}