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moby--moby/integration-cli/docker_cli_nat_test.go
Victor Vieux 0be44d1a0a now busybox as nc
Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
2014-05-23 21:03:52 +00:00

70 lines
2.4 KiB
Go

package main
import (
"encoding/json"
"fmt"
"net"
"os/exec"
"testing"
"github.com/dotcloud/docker/daemon"
)
func TestNetworkNat(t *testing.T) {
iface, err := net.InterfaceByName("eth0")
if err != nil {
t.Skip("Test not running with `make test`. Interface eth0 not found: %s", err)
}
ifaceAddrs, err := iface.Addrs()
if err != nil || len(ifaceAddrs) == 0 {
t.Fatalf("Error retrieving addresses for eth0: %v (%d addresses)", err, len(ifaceAddrs))
}
ifaceIp, _, err := net.ParseCIDR(ifaceAddrs[0].String())
if err != nil {
t.Fatalf("Error retrieving the up for eth0: %s", err)
}
runCmd := exec.Command(dockerBinary, "run", "-d", "-p", "8080", "busybox", "nc", "-lp", "8080")
out, _, err := runCommandWithOutput(runCmd)
errorOut(err, t, fmt.Sprintf("run1 failed with errors: %v (%s)", err, out))
cleanedContainerID := stripTrailingCharacters(out)
inspectCmd := exec.Command(dockerBinary, "inspect", cleanedContainerID)
inspectOut, _, err := runCommandWithOutput(inspectCmd)
errorOut(err, t, fmt.Sprintf("out should've been a container id: %v %v", inspectOut, err))
containers := []*daemon.Container{}
if err := json.Unmarshal([]byte(inspectOut), &containers); err != nil {
t.Fatalf("Error inspecting the container: %s", err)
}
if len(containers) != 1 {
t.Fatalf("Unepexted container count. Expected 0, recieved: %d", len(containers))
}
port8080, exists := containers[0].NetworkSettings.Ports["8080/tcp"]
if !exists || len(port8080) == 0 {
t.Fatal("Port 8080/tcp not found in NetworkSettings")
}
runCmd = exec.Command(dockerBinary, "run", "-p", "8080", "busybox", "sh", "-c", fmt.Sprintf("echo hello world | nc -w 30 %s %s", ifaceIp, port8080[0].HostPort))
out, _, err = runCommandWithOutput(runCmd)
errorOut(err, t, fmt.Sprintf("run2 failed with errors: %v (%s)", err, out))
runCmd = exec.Command(dockerBinary, "logs", cleanedContainerID)
out, _, err = runCommandWithOutput(runCmd)
errorOut(err, t, fmt.Sprintf("failed to retrieve logs for container: %v %v", cleanedContainerID, err))
if expected := "hello world\n"; out != expected {
t.Fatalf("Unexpected output. Expected: %s, recieved: -->%s<--", expected, out)
}
killCmd := exec.Command(dockerBinary, "kill", cleanedContainerID)
out, _, err = runCommandWithOutput(killCmd)
errorOut(err, t, fmt.Sprintf("failed to kill container: %v %v", out, err))
deleteAllContainers()
logDone("network - make sure nat works through the host")
}