moby/integration-cli/docker_cli_links_test.go
Fabio Falci 7cc27b2075 Integration test for link and unlink containers
Docker-DCO-1.1-Signed-off-by: Fabio Falci <fabiofalci@gmail.com> (github: fabiofalci)
2014-05-11 21:33:01 +01:00

56 lines
2 KiB
Go

package main
import (
"fmt"
"github.com/dotcloud/docker/pkg/iptables"
"os/exec"
"testing"
)
func TestPingUnlinkedContainers(t *testing.T) {
runCmd := exec.Command(dockerBinary, "run", "--rm", "busybox", "sh", "-c", "ping -c 1 alias1 -W 1 && ping -c 1 alias2 -W 1")
exitCode, err := runCommand(runCmd)
if exitCode == 0 {
t.Fatal("run ping did not fail")
} else if exitCode != 1 {
errorOut(err, t, fmt.Sprintf("run ping failed with errors: %v", err))
}
}
func TestPingLinkedContainers(t *testing.T) {
var out string
out, _, _ = cmd(t, "run", "-d", "--name", "container1", "busybox", "sleep", "10")
idA := stripTrailingCharacters(out)
out, _, _ = cmd(t, "run", "-d", "--name", "container2", "busybox", "sleep", "10")
idB := stripTrailingCharacters(out)
cmd(t, "run", "--rm", "--link", "container1:alias1", "--link", "container2:alias2", "busybox", "sh", "-c", "ping -c 1 alias1 -W 1 && ping -c 1 alias2 -W 1")
cmd(t, "kill", idA)
cmd(t, "kill", idB)
deleteAllContainers()
}
func TestIpTablesRulesWhenLinkAndUnlink(t *testing.T) {
cmd(t, "run", "-d", "--name", "child", "--publish", "8080:80", "busybox", "sleep", "10")
cmd(t, "run", "-d", "--name", "parent", "--link", "child:http", "busybox", "sleep", "10")
childIp := findContainerIp(t, "child")
parentIp := findContainerIp(t, "parent")
sourceRule := []string{"FORWARD", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-s", childIp, "--sport", "80", "-d", parentIp, "-j", "ACCEPT"}
destinationRule := []string{"FORWARD", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-s", parentIp, "--dport", "80", "-d", childIp, "-j", "ACCEPT"}
if !iptables.Exists(sourceRule...) || !iptables.Exists(destinationRule...) {
t.Fatal("Iptables rules not found")
}
cmd(t, "rm", "--link", "parent/http")
if iptables.Exists(sourceRule...) || iptables.Exists(destinationRule...) {
t.Fatal("Iptables rules should be removed when unlink")
}
cmd(t, "kill", "child")
cmd(t, "kill", "parent")
deleteAllContainers()
logDone("link - verify iptables when link and unlink")
}