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moby--moby/integration-cli/docker_cli_run_test.go
Ahmet Alp Balkan b686b65c9b integ-cli: Skip tests assuming daemon/cli are on the same host
Some integration-cli tests assume daemon and cli are running
on the same machine and therefore they examine side effects
of executed docker commands on docker host by reading files
or running other sort of commands.

In case of windows/darwin CLI tests these provide little
or no value and should be OK to skip.

List of skipped tests:
- `TestContainerNetworkMode`
- `TestCpVolumePath`
- `TestCreateVolumesCreated`
- `TestBuildContextCleanup`
- `TestBuildContextCleanupFailedBuild`
- `TestLinksEtcHostsContentMatch`
- `TestRmContainerWithRemovedVolume`
- `TestRunModeIpcHost`
- `TestRunModeIpcContainer`
- `TestRunModePidHost`
- `TestRunNetHost`
- `TestRunDeallocatePortOnMissingIptablesRule`
- `TestRunPortInUse`
- `TestRunPortProxy`
- `TestRunMountOrdering`
- `TestRunModeHostname`
- `TestRunDnsDefaultOptions`
- `TestRunDnsOptionsBasedOnHostResolvConf`
- `TestRunResolvconfUpdater`
- `TestRunVolumesNotRecreatedOnStart`

Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
2015-02-23 14:08:05 -08:00

3195 lines
93 KiB
Go

package main
import (
"bufio"
"bytes"
"fmt"
"io/ioutil"
"net"
"os"
"os/exec"
"path"
"path/filepath"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/docker/docker/nat"
"github.com/docker/docker/pkg/networkfs/resolvconf"
)
// "test123" should be printed by docker run
func TestRunEchoStdout(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test123\n" {
t.Errorf("container should've printed 'test123'")
}
logDone("run - echo test123")
}
// "test" should be printed
func TestRunEchoStdoutWithMemoryLimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = strings.Trim(out, "\r\n")
if expected := "test"; out != expected {
t.Errorf("container should've printed %q but printed %q", expected, out)
}
logDone("run - echo with memory limit")
}
// should run without memory swap
func TestRunWithoutMemoryswapLimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")
out, _, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("failed to run container, output: %q", out)
}
logDone("run - without memory swap limit")
}
// "test" should be printed
func TestRunEchoStdoutWitCPULimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test\n" {
t.Errorf("container should've printed 'test'")
}
logDone("run - echo with CPU limit")
}
// "test" should be printed
func TestRunEchoStdoutWithCPUAndMemoryLimit(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test\n" {
t.Errorf("container should've printed 'test', got %q instead", out)
}
logDone("run - echo with CPU and memory limit")
}
// "test" should be printed
func TestRunEchoNamedContainer(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if out != "test\n" {
t.Errorf("container should've printed 'test'")
}
if err := deleteContainer("testfoonamedcontainer"); err != nil {
t.Errorf("failed to remove the named container: %v", err)
}
logDone("run - echo with named container")
}
// docker run should not leak file descriptors
func TestRunLeakyFileDescriptors(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
// normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
if out != "0 1 2 3\n" {
t.Errorf("container should've printed '0 1 2 3', not: %s", out)
}
logDone("run - check file descriptor leakage")
}
// it should be possible to ping Google DNS resolver
// this will fail when Internet access is unavailable
func TestRunPingGoogle(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "8.8.8.8")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
logDone("run - ping 8.8.8.8")
}
// the exit code should be 0
// some versions of lxc might make this test fail
func TestRunExitCodeZero(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "true")
if out, _, err := runCommandWithOutput(runCmd); err != nil {
t.Errorf("container should've exited with exit code 0: %s, %v", out, err)
}
logDone("run - exit with 0")
}
// the exit code should be 1
// some versions of lxc might make this test fail
func TestRunExitCodeOne(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "busybox", "false")
exitCode, err := runCommand(runCmd)
if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
t.Fatal(err)
}
if exitCode != 1 {
t.Errorf("container should've exited with exit code 1")
}
logDone("run - exit with 1")
}
// it should be possible to pipe in data via stdin to a process running in a container
// some versions of lxc might make this test fail
func TestRunStdinPipe(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`)
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = stripTrailingCharacters(out)
inspectCmd := exec.Command(dockerBinary, "inspect", out)
if out, _, err := runCommandWithOutput(inspectCmd); err != nil {
t.Fatalf("out should've been a container id: %s %v", out, err)
}
waitCmd := exec.Command(dockerBinary, "wait", out)
if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
}
logsCmd := exec.Command(dockerBinary, "logs", out)
logsOut, _, err := runCommandWithOutput(logsCmd)
if err != nil {
t.Fatalf("error thrown while trying to get container logs: %s, %v", logsOut, err)
}
containerLogs := stripTrailingCharacters(logsOut)
if containerLogs != "blahblah" {
t.Errorf("logs didn't print the container's logs %s", containerLogs)
}
rmCmd := exec.Command(dockerBinary, "rm", out)
if out, _, err = runCommandWithOutput(rmCmd); err != nil {
t.Fatalf("rm failed to remove container: %s, %v", out, err)
}
logDone("run - pipe in with -i -a stdin")
}
// the container's ID should be printed when starting a container in detached mode
func TestRunDetachedContainerIDPrinting(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = stripTrailingCharacters(out)
inspectCmd := exec.Command(dockerBinary, "inspect", out)
if inspectOut, _, err := runCommandWithOutput(inspectCmd); err != nil {
t.Fatalf("out should've been a container id: %s %v", inspectOut, err)
}
waitCmd := exec.Command(dockerBinary, "wait", out)
if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
}
rmCmd := exec.Command(dockerBinary, "rm", out)
rmOut, _, err := runCommandWithOutput(rmCmd)
if err != nil {
t.Fatalf("rm failed to remove container: %s, %v", rmOut, err)
}
rmOut = stripTrailingCharacters(rmOut)
if rmOut != out {
t.Errorf("rm didn't print the container ID %s %s", out, rmOut)
}
logDone("run - print container ID in detached mode")
}
// the working directory should be set correctly
func TestRunWorkingDirectory(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = stripTrailingCharacters(out)
if out != "/root" {
t.Errorf("-w failed to set working directory")
}
runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd")
out, _, _, err = runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatal(out, err)
}
out = stripTrailingCharacters(out)
if out != "/root" {
t.Errorf("--workdir failed to set working directory")
}
logDone("run - run with working directory set by -w")
logDone("run - run with working directory set by --workdir")
}
// pinging Google's DNS resolver should fail when we disable the networking
func TestRunWithoutNetworking(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8")
out, _, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 1 {
t.Fatal(out, err)
}
if exitCode != 1 {
t.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
}
runCmd = exec.Command(dockerBinary, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8")
out, _, exitCode, err = runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 1 {
t.Fatal(out, err)
}
if exitCode != 1 {
t.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
}
logDone("run - disable networking with --net=none")
logDone("run - disable networking with -n=false")
}
//test --link use container name to link target
func TestRunLinksContainerWithContainerName(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
out, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", "parent")
ip, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("failed to inspect container: %v, output: %q", err, ip)
}
ip = strings.TrimSpace(ip)
cmd = exec.Command(dockerBinary, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, ip+" test") {
t.Fatalf("use a container name to link target failed")
}
logDone("run - use a container name to link target work")
}
//test --link use container id to link target
func TestRunLinksContainerWithContainerId(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "busybox")
cID, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, cID)
}
cID = strings.TrimSpace(cID)
cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", cID)
ip, _, _, err := runCommandWithStdoutStderr(cmd)
if err != nil {
t.Fatalf("faild to inspect container: %v, output: %q", err, ip)
}
ip = strings.TrimSpace(ip)
cmd = exec.Command(dockerBinary, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, ip+" test") {
t.Fatalf("use a container id to link target failed")
}
logDone("run - use a container id to link target work")
}
// Regression test for #4741
func TestRunWithVolumesAsFiles(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/etc/hosts:/target-file", "busybox", "true")
out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("1", out, stderr, err)
}
runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/target-file")
out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("2", out, stderr, err)
}
logDone("run - regression test for #4741 - volumes from as files")
}
// Regression test for #4979
func TestRunWithVolumesFromExited(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("1", out, stderr, err)
}
runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
if err != nil && exitCode != 0 {
t.Fatal("2", out, stderr, err)
}
logDone("run - regression test for #4979 - volumes-from on exited container")
}
// Regression test for #4830
func TestRunWithRelativePath(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true")
if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil {
t.Fatalf("relative path should result in an error")
}
logDone("run - volume with relative path")
}
func TestRunVolumesMountedAsReadonly(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatalf("run should fail because volume is ro: exit code %d", code)
}
logDone("run - volumes as readonly mount")
}
func TestRunVolumesFromInReadonlyMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatalf("run should fail because volume is ro: exit code %d", code)
}
logDone("run - volumes from as readonly mount")
}
// Regression test for #1201
func TestRunVolumesFromInReadWriteMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatalf("running --volumes-from parent:rw failed with output: %q\nerror: %v", out, err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:bar", "busybox", "touch", "/test/file")
if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "invalid mode for volumes-from: bar") {
t.Fatalf("running --volumes-from foo:bar should have failed with invalid mount mode: %q", out)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatalf("running --volumes-from parent failed with output: %q\nerror: %v", out, err)
}
logDone("run - volumes from as read write mount")
}
func TestVolumesFromGetsProperMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
// Expect this "rw" mode to be be ignored since the inheritted volume is "ro"
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
if _, err := runCommand(cmd); err == nil {
t.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
}
cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/test:/test:ro", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
// Expect this to be read-only since both are "ro"
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent2:ro", "busybox", "touch", "/test/file")
if _, err := runCommand(cmd); err == nil {
t.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
}
logDone("run - volumes from ignores `rw` if inherrited volume is `ro`")
}
// Test for GH#10618
func TestRunNoDupVolumes(t *testing.T) {
defer deleteAllContainers()
bindPath1, err := ioutil.TempDir("", "test1")
if err != nil {
t.Fatal(err)
}
defer os.Remove(bindPath1)
bindPath2, err := ioutil.TempDir("", "test2")
if err != nil {
t.Fatal(err)
}
defer os.Remove(bindPath2)
mountstr1 := bindPath1 + ":/someplace"
mountstr2 := bindPath2 + ":/someplace"
cmd := exec.Command(dockerBinary, "run", "-v", mountstr1, "-v", mountstr2, "busybox", "true")
if out, _, err := runCommandWithOutput(cmd); err == nil {
t.Fatal("Expected error about duplicate volume definitions")
} else {
if !strings.Contains(out, "Duplicate volume") {
t.Fatalf("Expected 'duplicate volume' error, got %v", err)
}
}
logDone("run - don't allow multiple (bind) volumes on the same container target")
}
// Test for #1351
func TestRunApplyVolumesFromBeforeVolumes(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatal(out, err)
}
logDone("run - volumes from mounted first")
}
func TestRunMultipleVolumesFrom(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent1", "--volumes-from", "parent2",
"busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - multiple volumes from")
}
// this tests verifies the ID format for the container
func TestRunVerifyContainerID(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
out, exit, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if exit != 0 {
t.Fatalf("expected exit code 0 received %d", exit)
}
match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
if err != nil {
t.Fatal(err)
}
if !match {
t.Fatalf("Invalid container ID: %s", out)
}
logDone("run - verify container ID")
}
// Test that creating a container with a volume doesn't crash. Regression test for #995.
func TestRunCreateVolume(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - create docker managed volume")
}
// Test that creating a volume with a symlink in its path works correctly. Test for #5152.
// Note that this bug happens only with symlinks with a target that starts with '/'.
func TestRunCreateVolumeWithSymlink(t *testing.T) {
defer deleteAllContainers()
image := "docker-test-createvolumewithsymlink"
defer deleteImages(image)
buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-")
buildCmd.Stdin = strings.NewReader(`FROM busybox
RUN ln -s home /bar`)
buildCmd.Dir = workingDirectory
err := buildCmd.Run()
if err != nil {
t.Fatalf("could not build '%s': %v", image, err)
}
cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
exitCode, err := runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
}
var volPath string
cmd = exec.Command(dockerBinary, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-createvolumewithsymlink")
volPath, exitCode, err = runCommandWithOutput(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[inspect] err: %v, exitcode: %d", err, exitCode)
}
cmd = exec.Command(dockerBinary, "rm", "-v", "test-createvolumewithsymlink")
exitCode, err = runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
}
f, err := os.Open(volPath)
defer f.Close()
if !os.IsNotExist(err) {
t.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
}
logDone("run - create volume with symlink")
}
// Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
func TestRunVolumesFromSymlinkPath(t *testing.T) {
defer deleteAllContainers()
name := "docker-test-volumesfromsymlinkpath"
defer deleteImages(name)
buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
buildCmd.Stdin = strings.NewReader(`FROM busybox
RUN ln -s home /foo
VOLUME ["/foo/bar"]`)
buildCmd.Dir = workingDirectory
err := buildCmd.Run()
if err != nil {
t.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
}
cmd := exec.Command(dockerBinary, "run", "--name", "test-volumesfromsymlinkpath", name)
exitCode, err := runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[run] (volume) err: %v, exitcode: %d", err, exitCode)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls /foo | grep -q bar")
exitCode, err = runCommand(cmd)
if err != nil || exitCode != 0 {
t.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
}
logDone("run - volumes-from symlink path")
}
func TestRunExitCode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "/bin/sh", "-c", "exit 72")
exit, err := runCommand(cmd)
if err == nil {
t.Fatal("should not have a non nil error")
}
if exit != 72 {
t.Fatalf("expected exit code 72 received %d", exit)
}
logDone("run - correct exit code")
}
func TestRunUserDefaultsToRoot(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root)") {
t.Fatalf("expected root user got %s", out)
}
logDone("run - default user")
}
func TestRunUserByName(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "root", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root)") {
t.Fatalf("expected root user got %s", out)
}
logDone("run - user by name")
}
func TestRunUserByID(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "1", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
t.Fatalf("expected daemon user got %s", out)
}
logDone("run - user by id")
}
func TestRunUserByIDBig(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "2147483648", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal("No error, but must be.", out)
}
if !strings.Contains(out, "Uids and gids must be in range") {
t.Fatalf("expected error about uids range, got %s", out)
}
logDone("run - user by id, id too big")
}
func TestRunUserByIDNegative(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "-1", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal("No error, but must be.", out)
}
if !strings.Contains(out, "Uids and gids must be in range") {
t.Fatalf("expected error about uids range, got %s", out)
}
logDone("run - user by id, id negative")
}
func TestRunUserByIDZero(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "0", "busybox", "id")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
t.Fatalf("expected daemon user got %s", out)
}
logDone("run - user by id, zero uid")
}
func TestRunUserNotFound(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id")
_, err := runCommand(cmd)
if err == nil {
t.Fatal("unknown user should cause container to fail")
}
logDone("run - user not found")
}
func TestRunTwoConcurrentContainers(t *testing.T) {
defer deleteAllContainers()
group := sync.WaitGroup{}
group.Add(2)
for i := 0; i < 2; i++ {
go func() {
defer group.Done()
cmd := exec.Command(dockerBinary, "run", "busybox", "sleep", "2")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
}()
}
group.Wait()
logDone("run - two concurrent containers")
}
func TestRunEnvironment(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env")
cmd.Env = append(os.Environ(),
"TRUE=false",
"TRICKY=tri\ncky\n",
)
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
actualEnv := []string{}
for i := range actualEnvLxc {
if actualEnvLxc[i] != "container=lxc" {
actualEnv = append(actualEnv, actualEnvLxc[i])
}
}
sort.Strings(actualEnv)
goodEnv := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"HOSTNAME=testing",
"FALSE=true",
"TRUE=false",
"TRICKY=tri",
"cky",
"",
"HOME=/root",
}
sort.Strings(goodEnv)
if len(goodEnv) != len(actualEnv) {
t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
logDone("run - verify environment")
}
func TestRunEnvironmentErase(t *testing.T) {
// Test to make sure that when we use -e on env vars that are
// not set in our local env that they're removed (if present) in
// the container
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env")
cmd.Env = appendDockerHostEnv([]string{})
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
actualEnv := []string{}
for i := range actualEnvLxc {
if actualEnvLxc[i] != "container=lxc" {
actualEnv = append(actualEnv, actualEnvLxc[i])
}
}
sort.Strings(actualEnv)
goodEnv := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"HOME=/root",
}
sort.Strings(goodEnv)
if len(goodEnv) != len(actualEnv) {
t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
logDone("run - verify environment erase")
}
func TestRunEnvironmentOverride(t *testing.T) {
// Test to make sure that when we use -e on env vars that are
// already in the env that we're overriding them
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env")
cmd.Env = appendDockerHostEnv([]string{"HOSTNAME=bar"})
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
actualEnv := []string{}
for i := range actualEnvLxc {
if actualEnvLxc[i] != "container=lxc" {
actualEnv = append(actualEnv, actualEnvLxc[i])
}
}
sort.Strings(actualEnv)
goodEnv := []string{
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"HOME=/root2",
"HOSTNAME=bar",
}
sort.Strings(goodEnv)
if len(goodEnv) != len(actualEnv) {
t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
logDone("run - verify environment override")
}
func TestRunContainerNetwork(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - test container network via ping")
}
// Issue #4681
func TestRunLoopbackWhenNetworkDisabled(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - test container loopback when networking disabled")
}
func TestRunNetHostNotAllowedWithLinks(t *testing.T) {
defer deleteAllContainers()
_, _, err := dockerCmd(t, "run", "--name", "linked", "busybox", "true")
cmd := exec.Command(dockerBinary, "run", "--net=host", "--link", "linked:linked", "busybox", "true")
_, _, err = runCommandWithOutput(cmd)
if err == nil {
t.Fatal("Expected error")
}
logDone("run - don't allow --net=host to be used with links")
}
func TestRunLoopbackOnlyExistsWhenNetworkingDisabled(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
var (
count = 0
parts = strings.Split(out, "\n")
)
for _, l := range parts {
if l != "" {
count++
}
}
if count != 1 {
t.Fatalf("Wrong interface count in container %d", count)
}
if !strings.HasPrefix(out, "1: lo") {
t.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out)
}
logDone("run - test loopback only exists when networking disabled")
}
// #7851 hostname outside container shows FQDN, inside only shortname
// For testing purposes it is not required to set host's hostname directly
// and use "--net=host" (as the original issue submitter did), as the same
// codepath is executed with "docker run -h <hostname>". Both were manually
// tested, but this testcase takes the simpler path of using "run -h .."
func TestRunFullHostnameSet(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
t.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
}
logDone("run - test fully qualified hostname set with -h")
}
func TestRunPrivilegedCanMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test privileged can mknod")
}
func TestRunUnPrivilegedCanMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test un-privileged can mknod")
}
func TestRunCapDropInvalid(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=CHPASS", "busybox", "ls")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
logDone("run - test --cap-drop=CHPASS invalid")
}
func TestRunCapDropCannotMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-drop=MKNOD cannot mknod")
}
func TestRunCapDropCannotMknodLowerCase(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-drop=mknod cannot mknod lowercase")
}
func TestRunCapDropALLCannotMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-drop=ALL cannot mknod")
}
func TestRunCapDropALLAddMknodCanMknod(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test --cap-drop=ALL --cap-add=MKNOD can mknod")
}
func TestRunCapAddInvalid(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=CHPASS", "busybox", "ls")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
logDone("run - test --cap-add=CHPASS invalid")
}
func TestRunCapAddCanDownInterface(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test --cap-add=NET_ADMIN can set eth0 down")
}
func TestRunCapAddALLCanDownInterface(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test --cap-add=ALL can set eth0 down")
}
func TestRunCapAddALLDropNetAdminCanDownInterface(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test --cap-add=ALL --cap-drop=NET_ADMIN cannot set eth0 down")
}
func TestRunPrivilegedCanMount(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
t.Fatalf("expected output ok received %s", actual)
}
logDone("run - test privileged can mount")
}
func TestRunUnPrivilegedCannotMount(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
t.Fatalf("expected output not ok received %s", actual)
}
logDone("run - test un-privileged cannot mount")
}
func TestRunSysNotWritableInNonPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/sys/kernel/profiling")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatal("sys should not be writable in a non privileged container")
}
logDone("run - sys not writable in non privileged container")
}
func TestRunSysWritableInPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling")
if code, err := runCommand(cmd); err != nil || code != 0 {
t.Fatalf("sys should be writable in privileged container")
}
logDone("run - sys writable in privileged container")
}
func TestRunProcNotWritableInNonPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/proc/sysrq-trigger")
if code, err := runCommand(cmd); err == nil || code == 0 {
t.Fatal("proc should not be writable in a non privileged container")
}
logDone("run - proc not writable in non privileged container")
}
func TestRunProcWritableInPrivilegedContainers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger")
if code, err := runCommand(cmd); err != nil || code != 0 {
t.Fatalf("proc should be writable in privileged container")
}
logDone("run - proc writable in privileged container")
}
func TestRunWithCpuset(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--cpuset", "0", "busybox", "true")
if code, err := runCommand(cmd); err != nil || code != 0 {
t.Fatalf("container should run successfuly with cpuset of 0: %s", err)
}
logDone("run - cpuset 0")
}
func TestRunDeviceNumbers(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "ls -l /dev/null")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
deviceLineFields := strings.Fields(out)
deviceLineFields[6] = ""
deviceLineFields[7] = ""
deviceLineFields[8] = ""
expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"}
if !(reflect.DeepEqual(deviceLineFields, expected)) {
t.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out)
}
logDone("run - test device numbers")
}
func TestRunThatCharacterDevicesActLikeCharacterDevices(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual[0] == '0' {
t.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual)
}
logDone("run - test that character devices work.")
}
func TestRunUnprivilegedWithChroot(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
logDone("run - unprivileged with chroot")
}
func TestRunAddingOptionalDevices(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" {
t.Fatalf("expected output /dev/nulo, received %s", actual)
}
logDone("run - test --device argument")
}
func TestRunModeHostname(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual != "testhostname" {
t.Fatalf("expected 'testhostname', but says: %q", actual)
}
cmd = exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hostname")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
hostname, err := os.Hostname()
if err != nil {
t.Fatal(err)
}
if actual := strings.Trim(out, "\r\n"); actual != hostname {
t.Fatalf("expected %q, but says: %q", hostname, actual)
}
logDone("run - hostname and several network modes")
}
func TestRunRootWorkdir(t *testing.T) {
defer deleteAllContainers()
s, _, err := dockerCmd(t, "run", "--workdir", "/", "busybox", "pwd")
if err != nil {
t.Fatal(s, err)
}
if s != "/\n" {
t.Fatalf("pwd returned %q (expected /\\n)", s)
}
logDone("run - workdir /")
}
func TestRunAllowBindMountingRoot(t *testing.T) {
defer deleteAllContainers()
s, _, err := dockerCmd(t, "run", "-v", "/:/host", "busybox", "ls", "/host")
if err != nil {
t.Fatal(s, err)
}
logDone("run - bind mount / as volume")
}
func TestRunDisallowBindMountingRootToRoot(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/:/", "busybox", "ls", "/host")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal(out, err)
}
logDone("run - bind mount /:/ as volume should not work")
}
// Verify that a container gets default DNS when only localhost resolvers exist
func TestRunDnsDefaultOptions(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
// preserve original resolv.conf for restoring after test
origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
t.Fatalf("/etc/resolv.conf does not exist")
}
// defer restored original conf
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
t.Fatal(err)
}
}()
// test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost
// 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by
// GetNameservers(), leading to a replacement of nameservers with the default set
tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1")
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
actual, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, actual)
}
// check that the actual defaults are appended to the commented out
// localhost resolver (which should be preserved)
// NOTE: if we ever change the defaults from google dns, this will break
expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
if actual != expected {
t.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual)
}
logDone("run - dns default options")
}
func TestRunDnsOptions(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
if actual != "nameserver 127.0.0.1 search mydomain" {
t.Fatalf("expected 'nameserver 127.0.0.1 search mydomain', but says: %q", actual)
}
cmd = exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=.", "busybox", "cat", "/etc/resolv.conf")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1)
if actual != "nameserver 127.0.0.1" {
t.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual)
}
logDone("run - dns options")
}
func TestRunDnsOptionsBasedOnHostResolvConf(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
t.Fatalf("/etc/resolv.conf does not exist")
}
hostNamservers := resolvconf.GetNameservers(origResolvConf)
hostSearch := resolvconf.GetSearchDomains(origResolvConf)
var out string
cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf")
if out, _, err = runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" {
t.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0]))
}
actualSearch := resolvconf.GetSearchDomains([]byte(out))
if len(actualSearch) != len(hostSearch) {
t.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
}
for i := range actualSearch {
if actualSearch[i] != hostSearch[i] {
t.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
}
}
cmd = exec.Command(dockerBinary, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
if out, _, err = runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
actualNameservers := resolvconf.GetNameservers([]byte(out))
if len(actualNameservers) != len(hostNamservers) {
t.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers))
}
for i := range actualNameservers {
if actualNameservers[i] != hostNamservers[i] {
t.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i])
}
}
if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" {
t.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0]))
}
// test with file
tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1")
if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
t.Fatal(err)
}
// put the old resolvconf back
defer func() {
if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
t.Fatal(err)
}
}()
resolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
if os.IsNotExist(err) {
t.Fatalf("/etc/resolv.conf does not exist")
}
hostNamservers = resolvconf.GetNameservers(resolvConf)
hostSearch = resolvconf.GetSearchDomains(resolvConf)
cmd = exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
if out, _, err = runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 {
t.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers)
}
actualSearch = resolvconf.GetSearchDomains([]byte(out))
if len(actualSearch) != len(hostSearch) {
t.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
}
for i := range actualSearch {
if actualSearch[i] != hostSearch[i] {
t.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
}
}
defer deleteAllContainers()
logDone("run - dns options based on host resolv.conf")
}
// Test the file watch notifier on docker host's /etc/resolv.conf
// A go-routine is responsible for auto-updating containers which are
// stopped and have an unmodified copy of resolv.conf, as well as
// marking running containers as requiring an update on next restart
func TestRunResolvconfUpdater(t *testing.T) {
testRequires(t, SameHostDaemon)
tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78")
tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1")
//take a copy of resolv.conf for restoring after test completes
resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
if err != nil {
t.Fatal(err)
}
//cleanup
defer func() {
deleteAllContainers()
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
}()
//1. test that a non-running container gets an updated resolv.conf
cmd := exec.Command(dockerBinary, "run", "--name='first'", "busybox", "true")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
containerID1, err := getIDByName("first")
if err != nil {
t.Fatal(err)
}
// replace resolv.conf with our temporary copy
bytesResolvConf := []byte(tmpResolvConf)
if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
// check for update in container
containerResolv, err := readContainerFile(containerID1, "resolv.conf")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolv, bytesResolvConf) {
t.Fatalf("Stopped container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
}
//2. test that a non-running container does not receive resolv.conf updates
// if it modified the container copy of the starting point resolv.conf
cmd = exec.Command(dockerBinary, "run", "--name='second'", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf")
if _, err = runCommand(cmd); err != nil {
t.Fatal(err)
}
containerID2, err := getIDByName("second")
if err != nil {
t.Fatal(err)
}
containerResolvHashBefore, err := readContainerFile(containerID2, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
//make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
containerResolvHashAfter, err := readContainerFile(containerID2, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
t.Fatalf("Stopped container with modified resolv.conf should not have been updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
}
//3. test that a running container's resolv.conf is not modified while running
cmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
runningContainerID := strings.TrimSpace(out)
containerResolvHashBefore, err = readContainerFile(runningContainerID, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
// replace resolv.conf
if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
// make sure the updater has time to run to validate we really aren't
// getting updated
time.Sleep(time.Second / 2)
containerResolvHashAfter, err = readContainerFile(runningContainerID, "resolv.conf.hash")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
t.Fatalf("Running container's resolv.conf should not be updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
}
//4. test that a running container's resolv.conf is updated upon restart
// (the above container is still running..)
cmd = exec.Command(dockerBinary, "restart", runningContainerID)
if _, err = runCommand(cmd); err != nil {
t.Fatal(err)
}
// check for update in container
containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(containerResolv, bytesResolvConf) {
t.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
}
//5. test that additions of a localhost resolver are cleaned from
// host resolv.conf before updating container's resolv.conf copies
// replace resolv.conf with a localhost-only nameserver copy
bytesResolvConf = []byte(tmpLocalhostResolvConf)
if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
t.Fatal(err)
}
time.Sleep(time.Second / 2)
// our first exited container ID should have been updated, but with default DNS
// after the cleanup of resolv.conf found only a localhost nameserver:
containerResolv, err = readContainerFile(containerID1, "resolv.conf")
if err != nil {
t.Fatal(err)
}
expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
if !bytes.Equal(containerResolv, []byte(expected)) {
t.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv))
}
//cleanup, restore original resolv.conf happens in defer func()
logDone("run - resolv.conf updater")
}
func TestRunAddHost(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
actual := strings.Trim(out, "\r\n")
if actual != "86.75.30.9\textra" {
t.Fatalf("expected '86.75.30.9\textra', but says: %q", actual)
}
logDone("run - add-host option")
}
// Regression test for #6983
func TestRunAttachStdErrOnlyTTYMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stderr", "busybox", "true")
exitCode, err := runCommand(cmd)
if err != nil {
t.Fatal(err)
} else if exitCode != 0 {
t.Fatalf("Container should have exited with error code 0")
}
logDone("run - Attach stderr only with -t")
}
// Regression test for #6983
func TestRunAttachStdOutOnlyTTYMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "busybox", "true")
exitCode, err := runCommand(cmd)
if err != nil {
t.Fatal(err)
} else if exitCode != 0 {
t.Fatalf("Container should have exited with error code 0")
}
logDone("run - Attach stdout only with -t")
}
// Regression test for #6983
func TestRunAttachStdOutAndErrTTYMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true")
exitCode, err := runCommand(cmd)
if err != nil {
t.Fatal(err)
} else if exitCode != 0 {
t.Fatalf("Container should have exited with error code 0")
}
logDone("run - Attach stderr and stdout with -t")
}
// Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode
// but using --attach instead of -a to make sure we read the flag correctly
func TestRunAttachWithDettach(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true")
_, stderr, _, err := runCommandWithStdoutStderr(cmd)
if err == nil {
t.Fatalf("Container should have exited with error code different than 0", err)
} else if !strings.Contains(stderr, "Conflicting options: -a and -d") {
t.Fatalf("Should have been returned an error with conflicting options -a and -d")
}
logDone("run - Attach stdout with -d")
}
func TestRunState(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
id := strings.TrimSpace(out)
state, err := inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "true" {
t.Fatal("Container state is 'not running'")
}
pid1, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
if pid1 == "0" {
t.Fatal("Container state Pid 0")
}
cmd = exec.Command(dockerBinary, "stop", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
state, err = inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "false" {
t.Fatal("Container state is 'running'")
}
pid2, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
if pid2 == pid1 {
t.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
}
cmd = exec.Command(dockerBinary, "start", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
state, err = inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "true" {
t.Fatal("Container state is 'not running'")
}
pid3, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
if pid3 == pid1 {
t.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
}
logDone("run - test container state.")
}
// Test for #1737
func TestRunCopyVolumeUidGid(t *testing.T) {
name := "testrunvolumesuidgid"
defer deleteImages(name)
defer deleteAllContainers()
_, err := buildImage(name,
`FROM busybox
RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
RUN echo 'dockerio:x:1001:' >> /etc/group
RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`,
true)
if err != nil {
t.Fatal(err)
}
// Test that the uid and gid is copied from the image to the volume
cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
out = strings.TrimSpace(out)
if out != "dockerio:dockerio" {
t.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out)
}
logDone("run - copy uid/gid for volume")
}
// Test for #1582
func TestRunCopyVolumeContent(t *testing.T) {
name := "testruncopyvolumecontent"
defer deleteImages(name)
defer deleteAllContainers()
_, err := buildImage(name,
`FROM busybox
RUN mkdir -p /hello/local && echo hello > /hello/local/world`,
true)
if err != nil {
t.Fatal(err)
}
// Test that the content is copied from the image to the volume
cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "find", "/hello")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) {
t.Fatal("Container failed to transfer content to volume")
}
logDone("run - copy volume content")
}
func TestRunCleanupCmdOnEntrypoint(t *testing.T) {
name := "testrunmdcleanuponentrypoint"
defer deleteImages(name)
defer deleteAllContainers()
if _, err := buildImage(name,
`FROM busybox
ENTRYPOINT ["echo"]
CMD ["testingpoint"]`,
true); err != nil {
t.Fatal(err)
}
runCmd := exec.Command(dockerBinary, "run", "--entrypoint", "whoami", name)
out, exit, err := runCommandWithOutput(runCmd)
if err != nil {
t.Fatalf("Error: %v, out: %q", err, out)
}
if exit != 0 {
t.Fatalf("expected exit code 0 received %d, out: %q", exit, out)
}
out = strings.TrimSpace(out)
if out != "root" {
t.Fatalf("Expected output root, got %q", out)
}
logDone("run - cleanup cmd on --entrypoint")
}
// TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
func TestRunWorkdirExistsAndIsFile(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "-w", "/bin/cat", "busybox")
out, exit, err := runCommandWithOutput(runCmd)
if !(err != nil && exit == 1 && strings.Contains(out, "Cannot mkdir: /bin/cat is not a directory")) {
t.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err)
}
logDone("run - error on existing file for workdir")
}
func TestRunExitOnStdinClose(t *testing.T) {
name := "testrunexitonstdinclose"
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat")
stdin, err := runCmd.StdinPipe()
if err != nil {
t.Fatal(err)
}
stdout, err := runCmd.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := runCmd.Start(); err != nil {
t.Fatal(err)
}
if _, err := stdin.Write([]byte("hello\n")); err != nil {
t.Fatal(err)
}
r := bufio.NewReader(stdout)
line, err := r.ReadString('\n')
if err != nil {
t.Fatal(err)
}
line = strings.TrimSpace(line)
if line != "hello" {
t.Fatalf("Output should be 'hello', got '%q'", line)
}
if err := stdin.Close(); err != nil {
t.Fatal(err)
}
finish := make(chan struct{})
go func() {
if err := runCmd.Wait(); err != nil {
t.Fatal(err)
}
close(finish)
}()
select {
case <-finish:
case <-time.After(1 * time.Second):
t.Fatal("docker run failed to exit on stdin close")
}
state, err := inspectField(name, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "false" {
t.Fatal("Container must be stopped after stdin closing")
}
logDone("run - exit on stdin closing")
}
// Test for #2267
func TestRunWriteHostsFileAndNotCommit(t *testing.T) {
defer deleteAllContainers()
name := "writehosts"
cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "test2267") {
t.Fatal("/etc/hosts should contain 'test2267'")
}
cmd = exec.Command(dockerBinary, "diff", name)
if err != nil {
t.Fatal(err, out)
}
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, t) {
t.Fatal("diff should be empty")
}
logDone("run - write to /etc/hosts and not commited")
}
func eqToBaseDiff(out string, t *testing.T) bool {
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "hello")
out1, _, err := runCommandWithOutput(cmd)
cID := stripTrailingCharacters(out1)
cmd = exec.Command(dockerBinary, "diff", cID)
base_diff, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, base_diff)
}
base_arr := strings.Split(base_diff, "\n")
sort.Strings(base_arr)
out_arr := strings.Split(out, "\n")
sort.Strings(out_arr)
return sliceEq(base_arr, out_arr)
}
func sliceEq(a, b []string) bool {
if len(a) != len(b) {
return false
}
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
// Test for #2267
func TestRunWriteHostnameFileAndNotCommit(t *testing.T) {
defer deleteAllContainers()
name := "writehostname"
cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "test2267") {
t.Fatal("/etc/hostname should contain 'test2267'")
}
cmd = exec.Command(dockerBinary, "diff", name)
if err != nil {
t.Fatal(err, out)
}
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, t) {
t.Fatal("diff should be empty")
}
logDone("run - write to /etc/hostname and not commited")
}
// Test for #2267
func TestRunWriteResolvFileAndNotCommit(t *testing.T) {
defer deleteAllContainers()
name := "writeresolv"
cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "test2267") {
t.Fatal("/etc/resolv.conf should contain 'test2267'")
}
cmd = exec.Command(dockerBinary, "diff", name)
if err != nil {
t.Fatal(err, out)
}
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, t) {
t.Fatal("diff should be empty")
}
logDone("run - write to /etc/resolv.conf and not commited")
}
func TestRunWithBadDevice(t *testing.T) {
defer deleteAllContainers()
name := "baddevice"
cmd := exec.Command(dockerBinary, "run", "--name", name, "--device", "/etc", "busybox", "true")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatal("Run should fail with bad device")
}
expected := `\"/etc\": not a device node`
if !strings.Contains(out, expected) {
t.Fatalf("Output should contain %q, actual out: %q", expected, out)
}
logDone("run - error with bad device")
}
func TestRunEntrypoint(t *testing.T) {
defer deleteAllContainers()
name := "entrypoint"
cmd := exec.Command(dockerBinary, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
expected := "foobar"
if out != expected {
t.Fatalf("Output should be %q, actual out: %q", expected, out)
}
logDone("run - entrypoint")
}
func TestRunBindMounts(t *testing.T) {
defer deleteAllContainers()
tmpDir, err := ioutil.TempDir("", "docker-test-container")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
writeFile(path.Join(tmpDir, "touch-me"), "", t)
// Test reading from a read-only bind mount
cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox", "ls", "/tmp")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "touch-me") {
t.Fatal("Container failed to read from bind mount")
}
// test writing to bind mount
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
// test mounting to an illegal destination directory
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".")
_, err = runCommand(cmd)
if err == nil {
t.Fatal("Container bind mounted illegal directory")
}
// test mount a file
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla")
_, err = runCommand(cmd)
if err != nil {
t.Fatal(err, out)
}
content := readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist
expected := "yotta"
if content != expected {
t.Fatalf("Output should be %q, actual out: %q", expected, content)
}
logDone("run - bind mounts")
}
// Ensure that CIDFile gets deleted if it's empty
// Perform this test by making `docker run` fail
func TestRunCidFileCleanupIfEmpty(t *testing.T) {
defer deleteAllContainers()
tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
tmpCidFile := path.Join(tmpDir, "cid")
cmd := exec.Command(dockerBinary, "run", "--cidfile", tmpCidFile, "scratch")
out, _, err := runCommandWithOutput(cmd)
t.Log(out)
if err == nil {
t.Fatal("Run without command must fail")
}
if _, err := os.Stat(tmpCidFile); err == nil {
t.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile)
}
logDone("run - cleanup empty cidfile on error")
}
// #2098 - Docker cidFiles only contain short version of the containerId
//sudo docker run --cidfile /tmp/docker_test.cid ubuntu echo "test"
// TestRunCidFile tests that run --cidfile returns the longid
func TestRunCidFileCheckIDLength(t *testing.T) {
defer deleteAllContainers()
tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
if err != nil {
t.Fatal(err)
}
tmpCidFile := path.Join(tmpDir, "cid")
defer os.RemoveAll(tmpDir)
cmd := exec.Command(dockerBinary, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
buffer, err := ioutil.ReadFile(tmpCidFile)
if err != nil {
t.Fatal(err)
}
cid := string(buffer)
if len(cid) != 64 {
t.Fatalf("--cidfile should be a long id, not %q", id)
}
if cid != id {
t.Fatalf("cid must be equal to %s, got %s", id, cid)
}
logDone("run - cidfile contains long id")
}
func TestRunNetworkNotInitializedNoneMode(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--net=none", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
res, err := inspectField(id, "NetworkSettings.IPAddress")
if err != nil {
t.Fatal(err)
}
if res != "" {
t.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res)
}
logDone("run - network must not be initialized in 'none' mode")
}
func TestRunSetMacAddress(t *testing.T) {
mac := "12:34:56:78:9a:bc"
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'")
out, ec, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("exec failed:\nexit code=%v\noutput=%s", ec, out)
}
actualMac := strings.TrimSpace(out)
if actualMac != mac {
t.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac)
}
logDone("run - setting MAC address with --mac-address")
}
func TestRunInspectMacAddress(t *testing.T) {
defer deleteAllContainers()
mac := "12:34:56:78:9a:bc"
cmd := exec.Command(dockerBinary, "run", "-d", "--mac-address="+mac, "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress")
if err != nil {
t.Fatal(err)
}
if inspectedMac != mac {
t.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac)
}
logDone("run - inspecting MAC address")
}
func TestRunDeallocatePortOnMissingIptablesRule(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
ip, err := inspectField(id, "NetworkSettings.IPAddress")
if err != nil {
t.Fatal(err)
}
iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip),
"!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT")
out, _, err = runCommandWithOutput(iptCmd)
if err != nil {
t.Fatal(err, out)
}
if err := deleteContainer(id); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
logDone("run - port should be deallocated even on iptables error")
}
func TestRunPortInUse(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
port := "1234"
l, err := net.Listen("tcp", ":"+port)
if err != nil {
t.Fatal(err)
}
defer l.Close()
cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err == nil {
t.Fatalf("Binding on used port must fail")
}
if !strings.Contains(out, "address already in use") {
t.Fatalf("Out must be about \"address already in use\", got %s", out)
}
logDone("run - error out if port already in use")
}
// https://github.com/docker/docker/issues/8428
func TestRunPortProxy(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
port := "12345"
cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatalf("Failed to run and bind port %s, output: %s, error: %s", port, out, err)
}
// connect for 10 times here. This will trigger 10 EPIPES in the child
// process and kill it when it writes to a closed stdout/stderr
for i := 0; i < 10; i++ {
net.Dial("tcp", fmt.Sprintf("0.0.0.0:%s", port))
}
listPs := exec.Command("sh", "-c", "ps ax | grep docker")
out, _, err = runCommandWithOutput(listPs)
if err != nil {
t.Errorf("list docker process failed with output %s, error %s", out, err)
}
if strings.Contains(out, "docker <defunct>") {
t.Errorf("Unexpected defunct docker process")
}
if !strings.Contains(out, "docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 12345") {
t.Errorf("Failed to find docker-proxy process, got %s", out)
}
logDone("run - proxy should work with unavailable port")
}
// Regression test for #7792
func TestRunMountOrdering(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir2)
// Create a temporary tmpfs mount.
fooDir := filepath.Join(tmpDir, "foo")
if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil {
t.Fatalf("failed to mkdir at %s - %s", fooDir, err)
}
if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp", tmpDir), "-v", fmt.Sprintf("%s:/tmp/foo", fooDir), "-v", fmt.Sprintf("%s:/tmp/tmp2", tmpDir2), "-v", fmt.Sprintf("%s:/tmp/tmp2/foo", fooDir), "busybox:latest", "sh", "-c", "ls /tmp/touch-me && ls /tmp/foo/touch-me && ls /tmp/tmp2/touch-me && ls /tmp/tmp2/foo/touch-me")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
logDone("run - volumes are mounted in the correct order")
}
// Regression test for https://github.com/docker/docker/issues/8259
func TestRunReuseBindVolumeThatIsSymlink(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpDir)
linkPath := os.TempDir() + "/testlink2"
if err := os.Symlink(tmpDir, linkPath); err != nil {
t.Fatal(err)
}
defer os.RemoveAll(linkPath)
// Create first container
cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
// Create second container with same symlinked path
// This will fail if the referenced issue is hit with a "Volume exists" error
cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
logDone("run - can remount old bindmount volume")
}
//test create /etc volume
func TestRunCreateVolumeEtc(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, "nameserver 127.0.0.1") {
t.Fatal("failed: create /etc volume cover /etc/resolv.conf")
}
cmd = exec.Command(dockerBinary, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal("failed to run container: %v, output: %q", err, out)
}
if !strings.Contains(out, "test123") {
t.Fatal("failed: create /etc volume cover /etc/hostname")
}
cmd = exec.Command(dockerBinary, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal("failed to run container: %v, output: %q", err, out)
}
out = strings.Replace(out, "\n", " ", -1)
if !strings.Contains(out, "192.168.0.1"+"\t"+"test") || !strings.Contains(out, "127.0.0.1"+"\t"+"localhost") {
t.Fatal("failed: create /etc volume cover /etc/hosts", out)
}
logDone("run - create /etc volume success")
}
func TestVolumesNoCopyData(t *testing.T) {
defer deleteImages("dataimage")
defer deleteAllContainers()
if _, err := buildImage("dataimage",
`FROM busybox
RUN mkdir -p /foo
RUN touch /foo/bar`,
true); err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--name", "test", "-v", "/foo", "busybox")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar")
if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
t.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out)
}
tmpDir := randomUnixTmpDirPath("docker_test_bind_mount_copy_data")
cmd = exec.Command(dockerBinary, "run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar")
if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
t.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out)
}
logDone("run - volumes do not copy data for volumes-from and bindmounts")
}
func TestRunVolumesNotRecreatedOnStart(t *testing.T) {
testRequires(t, SameHostDaemon)
// Clear out any remnants from other tests
deleteAllContainers()
info, err := ioutil.ReadDir(volumesConfigPath)
if err != nil {
t.Fatal(err)
}
if len(info) > 0 {
for _, f := range info {
if err := os.RemoveAll(volumesConfigPath + "/" + f.Name()); err != nil {
t.Fatal(err)
}
}
}
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "--name", "lone_starr", "busybox")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "start", "lone_starr")
if _, err := runCommand(cmd); err != nil {
t.Fatal(err)
}
info, err = ioutil.ReadDir(volumesConfigPath)
if err != nil {
t.Fatal(err)
}
if len(info) != 1 {
t.Fatalf("Expected only 1 volume have %v", len(info))
}
logDone("run - volumes not recreated on start")
}
func TestRunNoOutputFromPullInStdout(t *testing.T) {
defer deleteAllContainers()
// just run with unknown image
cmd := exec.Command(dockerBinary, "run", "asdfsg")
stdout := bytes.NewBuffer(nil)
cmd.Stdout = stdout
if err := cmd.Run(); err == nil {
t.Fatal("Run with unknown image should fail")
}
if stdout.Len() != 0 {
t.Fatalf("Stdout contains output from pull: %s", stdout)
}
logDone("run - no output from pull in stdout")
}
func TestRunVolumesCleanPaths(t *testing.T) {
if _, err := buildImage("run_volumes_clean_paths",
`FROM busybox
VOLUME /foo/`,
true); err != nil {
t.Fatal(err)
}
defer deleteImages("run_volumes_clean_paths")
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths")
if out, _, err := runCommandWithOutput(cmd); err != nil {
t.Fatal(err, out)
}
out, err := inspectFieldMap("dark_helmet", "Volumes", "/foo/")
if err != nil {
t.Fatal(err)
}
if out != "<no value>" {
t.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out)
}
out, err = inspectFieldMap("dark_helmet", "Volumes", "/foo")
if err != nil {
t.Fatal(err)
}
if !strings.Contains(out, volumesStoragePath) {
t.Fatalf("Volume was not defined for /foo\n%q", out)
}
out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar/")
if err != nil {
t.Fatal(err)
}
if out != "<no value>" {
t.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out)
}
out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar")
if err != nil {
t.Fatal(err)
}
if !strings.Contains(out, volumesStoragePath) {
t.Fatalf("Volume was not defined for /bar\n%q", out)
}
logDone("run - volume paths are cleaned")
}
// Regression test for #3631
func TestRunSlowStdoutConsumer(t *testing.T) {
defer deleteAllContainers()
c := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv")
stdout, err := c.StdoutPipe()
if err != nil {
t.Fatal(err)
}
if err := c.Start(); err != nil {
t.Fatal(err)
}
n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil)
if err != nil {
t.Fatal(err)
}
expected := 2 * 1024 * 2000
if n != expected {
t.Fatalf("Expected %d, got %d", expected, n)
}
logDone("run - slow consumer")
}
func TestRunAllowPortRangeThroughExpose(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err)
}
id := strings.TrimSpace(out)
portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
if err != nil {
t.Fatal(err)
}
var ports nat.PortMap
err = unmarshalJSON([]byte(portstr), &ports)
for port, binding := range ports {
portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
if portnum < 3000 || portnum > 3003 {
t.Fatalf("Port is out of range ", portnum, binding, out)
}
if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
t.Fatal("Port is not mapped for the port "+port, out)
}
}
if err := deleteContainer(id); err != nil {
t.Fatal(err)
}
logDone("run - allow port range through --expose flag")
}
// test docker run expose a invalid port
func TestRunExposePort(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "run", "--expose", "80000", "busybox")
out, _, err := runCommandWithOutput(runCmd)
//expose a invalid port should with a error out
if err == nil || !strings.Contains(out, "Invalid range format for --expose") {
t.Fatalf("run --expose a invalid port should with error out")
}
logDone("run - can't expose a invalid port")
}
func TestRunUnknownCommand(t *testing.T) {
defer deleteAllContainers()
runCmd := exec.Command(dockerBinary, "create", "busybox", "/bin/nada")
cID, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
t.Fatalf("Failed to create container: %v, output: %q", err, cID)
}
cID = strings.TrimSpace(cID)
runCmd = exec.Command(dockerBinary, "start", cID)
_, _, _, _ = runCommandWithStdoutStderr(runCmd)
runCmd = exec.Command(dockerBinary, "inspect", "--format={{.State.ExitCode}}", cID)
rc, _, _, err2 := runCommandWithStdoutStderr(runCmd)
rc = strings.TrimSpace(rc)
if err2 != nil {
t.Fatalf("Error getting status of container: %v", err2)
}
if rc == "0" {
t.Fatalf("ExitCode(%v) cannot be 0", rc)
}
logDone("run - Unknown Command")
}
func TestRunModeIpcHost(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
hostIpc, err := os.Readlink("/proc/1/ns/ipc")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostIpc != out2 {
t.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out2)
}
cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/ipc")
out2, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostIpc == out2 {
t.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out2)
}
logDone("run - ipc host mode")
}
func TestRunModeIpcContainer(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
id := strings.TrimSpace(out)
state, err := inspectField(id, "State.Running")
if err != nil {
t.Fatal(err)
}
if state != "true" {
t.Fatal("Container state is 'not running'")
}
pid1, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1))
if err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if parentContainerIpc != out2 {
t.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out2)
}
logDone("run - ipc container mode")
}
func TestContainerNetworkMode(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
id := strings.TrimSpace(out)
if err := waitRun(id); err != nil {
t.Fatal(err)
}
pid1, err := inspectField(id, "State.Pid")
if err != nil {
t.Fatal(err)
}
parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
if err != nil {
t.Fatal(err)
}
cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if parentContainerNet != out2 {
t.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out2)
}
logDone("run - container shared network namespace")
}
func TestRunModePidHost(t *testing.T) {
defer deleteAllContainers()
testRequires(t, SameHostDaemon)
hostPid, err := os.Readlink("/proc/1/ns/pid")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostPid != out2 {
t.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out2)
}
cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/pid")
out2, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostPid == out2 {
t.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out2)
}
logDone("run - pid host mode")
}
func TestRunTLSverify(t *testing.T) {
cmd := exec.Command(dockerBinary, "ps")
out, ec, err := runCommandWithOutput(cmd)
if err != nil || ec != 0 {
t.Fatalf("Should have worked: %v:\n%v", err, out)
}
// Regardless of whether we specify true or false we need to
// test to make sure tls is turned on if --tlsverify is specified at all
cmd = exec.Command(dockerBinary, "--tlsverify=false", "ps")
out, ec, err = runCommandWithOutput(cmd)
if err == nil || ec == 0 || !strings.Contains(out, "trying to connect") {
t.Fatalf("Should have failed: \nec:%v\nout:%v\nerr:%v", ec, out, err)
}
cmd = exec.Command(dockerBinary, "--tlsverify=true", "ps")
out, ec, err = runCommandWithOutput(cmd)
if err == nil || ec == 0 || !strings.Contains(out, "cert") {
t.Fatalf("Should have failed: \nec:%v\nout:%v\nerr:%v", ec, out, err)
}
logDone("run - verify tls is set for --tlsverify")
}
func TestRunPortFromDockerRangeInUse(t *testing.T) {
defer deleteAllContainers()
// first find allocator current position
cmd := exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
id := strings.TrimSpace(out)
cmd = exec.Command(dockerBinary, "port", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
out = strings.TrimSpace(out)
if out == "" {
t.Fatal("docker port command output is empty")
}
out = strings.Split(out, ":")[1]
lastPort, err := strconv.Atoi(out)
if err != nil {
t.Fatal(err)
}
port := lastPort + 1
l, err := net.Listen("tcp", ":"+strconv.Itoa(port))
if err != nil {
t.Fatal(err)
}
defer l.Close()
cmd = exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatalf(out, err)
}
id = strings.TrimSpace(out)
cmd = exec.Command(dockerBinary, "port", id)
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(out, err)
}
logDone("run - find another port if port from autorange already bound")
}
func TestRunTtyWithPipe(t *testing.T) {
defer deleteAllContainers()
done := make(chan struct{})
go func() {
defer close(done)
cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true")
if _, err := cmd.StdinPipe(); err != nil {
t.Fatal(err)
}
expected := "cannot enable tty mode"
if out, _, err := runCommandWithOutput(cmd); err == nil {
t.Fatal("run should have failed")
} else if !strings.Contains(out, expected) {
t.Fatalf("run failed with error %q: expected %q", out, expected)
}
}()
select {
case <-done:
case <-time.After(3 * time.Second):
t.Fatal("container is running but should have failed")
}
logDone("run - forbid piped stdin with tty")
}
func TestRunNonLocalMacAddress(t *testing.T) {
defer deleteAllContainers()
addr := "00:16:3E:08:00:50"
cmd := exec.Command(dockerBinary, "run", "--mac-address", addr, "busybox", "ifconfig")
if out, _, err := runCommandWithOutput(cmd); err != nil || !strings.Contains(out, addr) {
t.Fatalf("Output should have contained %q: %s, %v", addr, out, err)
}
logDone("run - use non-local mac-address")
}
func TestRunNetHost(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
hostNet, err := os.Readlink("/proc/1/ns/net")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net")
out2, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostNet != out2 {
t.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out2)
}
cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/net")
out2, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out2)
}
out2 = strings.Trim(out2, "\n")
if hostNet == out2 {
t.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out2)
}
logDone("run - net host mode")
}
func TestRunAllowPortRangeThroughPublish(t *testing.T) {
defer deleteAllContainers()
cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
id := strings.TrimSpace(out)
portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
if err != nil {
t.Fatal(err)
}
var ports nat.PortMap
err = unmarshalJSON([]byte(portstr), &ports)
for port, binding := range ports {
portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
if portnum < 3000 || portnum > 3003 {
t.Fatalf("Port is out of range ", portnum, binding, out)
}
if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
t.Fatal("Port is not mapped for the port "+port, out)
}
}
logDone("run - allow port range through --expose flag")
}
func TestRunOOMExitCode(t *testing.T) {
defer deleteAllContainers()
done := make(chan struct{})
go func() {
defer close(done)
runCmd := exec.Command(dockerBinary, "run", "-m", "4MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x; done")
out, exitCode, _ := runCommandWithOutput(runCmd)
if expected := 137; exitCode != expected {
t.Fatalf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
}
}()
select {
case <-done:
case <-time.After(3 * time.Second):
t.Fatal("Timeout waiting for container to die on OOM")
}
logDone("run - exit code on oom")
}
func TestRunRestartMaxRetries(t *testing.T) {
defer deleteAllContainers()
out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "false").CombinedOutput()
if err != nil {
t.Fatal(string(out), err)
}
id := strings.TrimSpace(string(out))
if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 5); err != nil {
t.Fatal(err)
}
count, err := inspectField(id, "RestartCount")
if err != nil {
t.Fatal(err)
}
if count != "3" {
t.Fatalf("Container was restarted %s times, expected %d", count, 3)
}
logDone("run - test max-retries for --restart")
}
func TestRunContainerWithWritableRootfs(t *testing.T) {
defer deleteAllContainers()
out, err := exec.Command(dockerBinary, "run", "--rm", "busybox", "touch", "/file").CombinedOutput()
if err != nil {
t.Fatal(string(out), err)
}
logDone("run - writable rootfs")
}
func TestRunContainerWithReadonlyRootfs(t *testing.T) {
defer deleteAllContainers()
out, err := exec.Command(dockerBinary, "run", "--read-only", "--rm", "busybox", "touch", "/file").CombinedOutput()
if err == nil {
t.Fatal("expected container to error on run with read only error")
}
expected := "Read-only file system"
if !strings.Contains(string(out), expected) {
t.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
}
logDone("run - read only rootfs")
}
func TestRunVolumesFromRestartAfterRemoved(t *testing.T) {
defer deleteAllContainers()
out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "voltest", "-v", "/foo", "busybox"))
if err != nil {
t.Fatal(out, err)
}
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "restarter", "--volumes-from", "voltest", "busybox", "top"))
if err != nil {
t.Fatal(out, err)
}
// Remove the main volume container and restart the consuming container
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "rm", "-f", "voltest"))
if err != nil {
t.Fatal(out, err)
}
// This should not fail since the volumes-from were already applied
out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "restart", "restarter"))
if err != nil {
t.Fatalf("expected container to restart successfully: %v\n%s", err, out)
}
logDone("run - can restart a volumes-from container after producer is removed")
}