mirror of https://github.com/docker/docs.git
93 lines
2.9 KiB
Go
93 lines
2.9 KiB
Go
package main
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import (
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"fmt"
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"github.com/dotcloud/docker/pkg/iptables"
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"testing"
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)
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func TestEtcHostsRegularFile(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "ls", "-la", "/etc/hosts")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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if !strings.HasPrefix(out, "-") {
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t.Errorf("/etc/hosts should be a regular file")
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}
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deleteAllContainers()
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logDone("link - /etc/hosts is a regular file")
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}
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func TestEtcHostsContentMatch(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hosts")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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hosts, err := ioutil.ReadFile("/etc/hosts")
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if os.IsNotExist(err) {
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t.Skip("/etc/hosts does not exist, skip this test")
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}
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if out != string(hosts) {
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t.Errorf("container")
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}
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deleteAllContainers()
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logDone("link - /etc/hosts matches hosts copy")
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}
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func TestPingUnlinkedContainers(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "--rm", "busybox", "sh", "-c", "ping -c 1 alias1 -W 1 && ping -c 1 alias2 -W 1")
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exitCode, err := runCommand(runCmd)
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if exitCode == 0 {
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t.Fatal("run ping did not fail")
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} else if exitCode != 1 {
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errorOut(err, t, fmt.Sprintf("run ping failed with errors: %v", err))
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}
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}
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func TestPingLinkedContainers(t *testing.T) {
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var out string
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out, _, _ = cmd(t, "run", "-d", "--name", "container1", "busybox", "sleep", "10")
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idA := stripTrailingCharacters(out)
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out, _, _ = cmd(t, "run", "-d", "--name", "container2", "busybox", "sleep", "10")
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idB := stripTrailingCharacters(out)
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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")
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cmd(t, "kill", idA)
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cmd(t, "kill", idB)
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deleteAllContainers()
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}
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func TestIpTablesRulesWhenLinkAndUnlink(t *testing.T) {
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cmd(t, "run", "-d", "--name", "child", "--publish", "8080:80", "busybox", "sleep", "10")
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cmd(t, "run", "-d", "--name", "parent", "--link", "child:http", "busybox", "sleep", "10")
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childIp := findContainerIp(t, "child")
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parentIp := findContainerIp(t, "parent")
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sourceRule := []string{"FORWARD", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-s", childIp, "--sport", "80", "-d", parentIp, "-j", "ACCEPT"}
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destinationRule := []string{"FORWARD", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-s", parentIp, "--dport", "80", "-d", childIp, "-j", "ACCEPT"}
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if !iptables.Exists(sourceRule...) || !iptables.Exists(destinationRule...) {
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t.Fatal("Iptables rules not found")
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}
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cmd(t, "rm", "--link", "parent/http")
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if iptables.Exists(sourceRule...) || iptables.Exists(destinationRule...) {
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t.Fatal("Iptables rules should be removed when unlink")
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}
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cmd(t, "kill", "child")
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cmd(t, "kill", "parent")
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deleteAllContainers()
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logDone("link - verify iptables when link and unlink")
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}
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