f3d1826350
Libnetwork sha# e578e95aa101441481411ff1d620f343895f24fe Signed-off-by: Madhu Venugopal <madhu@docker.com>
117 lines
3 KiB
Go
117 lines
3 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"net"
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"os/exec"
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"strings"
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"github.com/go-check/check"
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)
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func startServerContainer(c *check.C, msg string, port int) string {
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name := "server"
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cmd := []string{
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"-d",
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"-p", fmt.Sprintf("%d:%d", port, port),
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"busybox",
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"sh", "-c", fmt.Sprintf("echo %q | nc -lp %d", msg, port),
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}
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if err := waitForContainer(name, cmd...); err != nil {
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c.Fatalf("Failed to launch server container: %v", err)
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}
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return name
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}
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func getExternalAddress(c *check.C) net.IP {
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iface, err := net.InterfaceByName("eth0")
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if err != nil {
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c.Skip(fmt.Sprintf("Test not running with `make test`. Interface eth0 not found: %v", err))
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}
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ifaceAddrs, err := iface.Addrs()
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if err != nil || len(ifaceAddrs) == 0 {
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c.Fatalf("Error retrieving addresses for eth0: %v (%d addresses)", err, len(ifaceAddrs))
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}
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ifaceIP, _, err := net.ParseCIDR(ifaceAddrs[0].String())
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if err != nil {
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c.Fatalf("Error retrieving the up for eth0: %s", err)
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}
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return ifaceIP
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}
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func getContainerLogs(c *check.C, containerID string) string {
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runCmd := exec.Command(dockerBinary, "logs", containerID)
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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return strings.Trim(out, "\r\n")
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}
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func getContainerStatus(c *check.C, containerID string) string {
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out, err := inspectField(containerID, "State.Running")
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c.Assert(err, check.IsNil)
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return out
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}
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func (s *DockerSuite) TestNetworkNat(c *check.C) {
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testRequires(c, SameHostDaemon, NativeExecDriver)
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msg := "it works"
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startServerContainer(c, msg, 8080)
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endpoint := getExternalAddress(c)
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conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", endpoint.String(), 8080))
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if err != nil {
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c.Fatalf("Failed to connect to container (%v)", err)
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}
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data, err := ioutil.ReadAll(conn)
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conn.Close()
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if err != nil {
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c.Fatal(err)
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}
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final := strings.TrimRight(string(data), "\n")
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if final != msg {
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c.Fatalf("Expected message %q but received %q", msg, final)
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}
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}
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func (s *DockerSuite) TestNetworkLocalhostTCPNat(c *check.C) {
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testRequires(c, SameHostDaemon, NativeExecDriver)
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var (
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msg = "hi yall"
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)
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startServerContainer(c, msg, 8081)
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conn, err := net.Dial("tcp", "localhost:8081")
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if err != nil {
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c.Fatalf("Failed to connect to container (%v)", err)
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}
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data, err := ioutil.ReadAll(conn)
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conn.Close()
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if err != nil {
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c.Fatal(err)
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}
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final := strings.TrimRight(string(data), "\n")
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if final != msg {
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c.Fatalf("Expected message %q but received %q", msg, final)
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}
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}
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func (s *DockerSuite) TestNetworkLoopbackNat(c *check.C) {
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testRequires(c, SameHostDaemon, NativeExecDriver)
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msg := "it works"
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startServerContainer(c, msg, 8080)
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endpoint := getExternalAddress(c)
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runCmd := exec.Command(dockerBinary, "run", "-t", "--net=container:server", "busybox",
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"sh", "-c", fmt.Sprintf("stty raw && nc -w 5 %s 8080", endpoint.String()))
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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c.Fatal(out, err)
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}
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final := strings.TrimRight(string(out), "\n")
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if final != msg {
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c.Fatalf("Expected message %q but received %q", msg, final)
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}
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}
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