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Merge pull request #13683 from crosbymichael/nat-test-fixes

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Fix nat integration tests
This commit is contained in:
Jessie Frazelle 2015-06-02 18:54:17 -07:00
commit 63823cd6c1
1 changed files with 31 additions and 42 deletions
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73
integration-cli/docker_cli_nat_test.go
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@ -2,6 +2,7 @@ package main
import (
"fmt"
"io/ioutil"
"net"
"os/exec"
"strings"
@ -9,15 +10,14 @@ import (
"github.com/go-check/check"
)
func startServerContainer(c *check.C, proto string, port int) string {
pStr := fmt.Sprintf("%d:%d", port, port)
bCmd := fmt.Sprintf("nc -lp %d && echo bye", port)
cmd := []string{"-d", "-p", pStr, "busybox", "sh", "-c", bCmd}
if proto == "udp" {
cmd = append(cmd, "-u")
}
func startServerContainer(c *check.C, msg string, port int) string {
name := "server"
cmd := []string{
"-d",
"-p", fmt.Sprintf("%d:%d", port, port),
"busybox",
"sh", "-c", fmt.Sprintf("echo %q | nc -lp %d", msg, port),
}
if err := waitForContainer(name, cmd...); err != nil {
c.Fatalf("Failed to launch server container: %v", err)
}
@ -60,52 +60,41 @@ func getContainerStatus(c *check.C, containerID string) string {
func (s *DockerSuite) TestNetworkNat(c *check.C) {
testRequires(c, SameHostDaemon, NativeExecDriver)
srv := startServerContainer(c, "tcp", 8080)
// Spawn a new container which connects to the server through the
// interface address.
msg := "it works"
startServerContainer(c, msg, 8080)
endpoint := getExternalAddress(c)
runCmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", fmt.Sprintf("echo hello world | nc -w 30 %s 8080", endpoint))
if out, _, err := runCommandWithOutput(runCmd); err != nil {
c.Fatalf("Failed to connect to server: %v (output: %q)", err, string(out))
conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", endpoint.String(), 8080))
if err != nil {
c.Fatalf("Failed to connect to container (%v)", err)
}
result := getContainerLogs(c, srv)
// Ideally we'd like to check for "hello world" but sometimes
// nc doesn't show the data it received so instead let's look for
// the output of the 'echo bye' that should be printed once
// the nc command gets a connection
expected := "bye"
if !strings.Contains(result, expected) {
c.Fatalf("Unexpected output. Expected: %q, received: %q", expected, result)
data, err := ioutil.ReadAll(conn)
conn.Close()
if err != nil {
c.Fatal(err)
}
final := strings.TrimRight(string(data), "\n")
if final != msg {
c.Fatalf("Expected message %q but received %q", msg, final)
}
}
func (s *DockerSuite) TestNetworkLocalhostTCPNat(c *check.C) {
testRequires(c, SameHostDaemon, NativeExecDriver)
srv := startServerContainer(c, "tcp", 8081)
// Attempt to connect from the host to the listening container.
var (
msg = "hi yall"
)
startServerContainer(c, msg, 8081)
conn, err := net.Dial("tcp", "localhost:8081")
if err != nil {
c.Fatalf("Failed to connect to container (%v)", err)
}
if _, err := conn.Write([]byte("hello world\n")); err != nil {
data, err := ioutil.ReadAll(conn)
conn.Close()
if err != nil {
c.Fatal(err)
}
conn.Close()
result := getContainerLogs(c, srv)
// Ideally we'd like to check for "hello world" but sometimes
// nc doesn't show the data it received so instead let's look for
// the output of the 'echo bye' that should be printed once
// the nc command gets a connection
expected := "bye"
if !strings.Contains(result, expected) {
c.Fatalf("Unexpected output. Expected: %q, received: %q", expected, result)
final := strings.TrimRight(string(data), "\n")
if final != msg {
c.Fatalf("Expected message %q but received %q", msg, final)
}
}