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- package main
- import (
- "fmt"
- "net"
- "os/exec"
- "strings"
- "github.com/go-check/check"
- )
- func (s *DockerSuite) TestNetworkNat(c *check.C) {
- testRequires(c, SameHostDaemon, NativeExecDriver)
- iface, err := net.InterfaceByName("eth0")
- if err != nil {
- c.Skip(fmt.Sprintf("Test not running with `make test`. Interface eth0 not found: %v", err))
- }
- ifaceAddrs, err := iface.Addrs()
- if err != nil || len(ifaceAddrs) == 0 {
- c.Fatalf("Error retrieving addresses for eth0: %v (%d addresses)", err, len(ifaceAddrs))
- }
- ifaceIP, _, err := net.ParseCIDR(ifaceAddrs[0].String())
- if err != nil {
- c.Fatalf("Error retrieving the up for eth0: %s", err)
- }
- runCmd := exec.Command(dockerBinary, "run", "-dt", "-p", "8080:8080", "busybox", "nc", "-lp", "8080")
- out, _, err := runCommandWithOutput(runCmd)
- if err != nil {
- c.Fatal(out, err)
- }
- cleanedContainerID := strings.TrimSpace(out)
- runCmd = exec.Command(dockerBinary, "run", "busybox", "sh", "-c", fmt.Sprintf("echo hello world | nc -w 30 %s 8080", ifaceIP))
- out, _, err = runCommandWithOutput(runCmd)
- if err != nil {
- c.Fatal(out, err)
- }
- runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID)
- out, _, err = runCommandWithOutput(runCmd)
- if err != nil {
- c.Fatalf("failed to retrieve logs for container: %s, %v", out, err)
- }
- out = strings.Trim(out, "\r\n")
- if expected := "hello world"; out != expected {
- c.Fatalf("Unexpected output. Expected: %q, received: %q for iface %s", expected, out, ifaceIP)
- }
- killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
- if out, _, err = runCommandWithOutput(killCmd); err != nil {
- c.Fatalf("failed to kill container: %s, %v", out, err)
- }
- }
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