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package main
import (
"bufio"
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net"
"os"
"os/exec"
"path"
"path/filepath"
"reflect"
"regexp"
"runtime"
"sort"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/Microsoft/hcsshim/osversion"
"github.com/docker/docker/client"
"github.com/docker/docker/integration-cli/cli"
"github.com/docker/docker/integration-cli/cli/build"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/runconfig"
"github.com/docker/docker/testutil"
"github.com/docker/docker/testutil/fakecontext"
"github.com/docker/go-connections/nat"
"github.com/docker/libnetwork/resolvconf"
"github.com/docker/libnetwork/types"
"github.com/moby/sys/mount"
"github.com/moby/sys/mountinfo"
"gotest.tools/v3/assert"
"gotest.tools/v3/icmd"
)
// "test123" should be printed by docker run
func (s *DockerSuite) TestRunEchoStdout(c *testing.T) {
out, _ := dockerCmd(c, "run", "busybox", "echo", "test123")
if out != "test123\n" {
c.Fatalf("container should've printed 'test123', got '%s'", out)
}
}
// "test" should be printed
func (s *DockerSuite) TestRunEchoNamedContainer(c *testing.T) {
out, _ := dockerCmd(c, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
if out != "test\n" {
c.Errorf("container should've printed 'test'")
}
}
// docker run should not leak file descriptors. This test relies on Unix
// specific functionality and cannot run on Windows.
func (s *DockerSuite) TestRunLeakyFileDescriptors(c *testing.T) {
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "busybox", "ls", "-C", "/proc/self/fd")
// 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" {
c.Errorf("container should've printed '0 1 2 3', not: %s", out)
}
}
// it should be possible to lookup Google DNS
// this will fail when Internet access is unavailable
func (s *DockerSuite) TestRunLookupGoogleDNS(c *testing.T) {
testRequires(c, Network, NotArm)
if testEnv.OSType == "windows" {
// nslookup isn't present in Windows busybox. Is built-in. Further,
// nslookup isn't present in nanoserver. Hence just use PowerShell...
dockerCmd(c, "run", testEnv.PlatformDefaults.BaseImage, "powershell", "Resolve-DNSName", "google.com")
} else {
dockerCmd(c, "run", "busybox", "nslookup", "google.com")
}
}
// the exit code should be 0
func (s *DockerSuite) TestRunExitCodeZero(c *testing.T) {
dockerCmd(c, "run", "busybox", "true")
}
// the exit code should be 1
func (s *DockerSuite) TestRunExitCodeOne(c *testing.T) {
_, exitCode, err := dockerCmdWithError("run", "busybox", "false")
assert.ErrorContains(c, err, "")
assert.Equal(c, exitCode, 1)
}
// it should be possible to pipe in data via stdin to a process running in a container
func (s *DockerSuite) TestRunStdinPipe(c *testing.T) {
// TODO Windows: This needs some work to make compatible.
testRequires(c, DaemonIsLinux)
result := icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat"},
Stdin: strings.NewReader("blahblah"),
})
result.Assert(c, icmd.Success)
out := result.Stdout()
out = strings.TrimSpace(out)
dockerCmd(c, "wait", out)
logsOut, _ := dockerCmd(c, "logs", out)
containerLogs := strings.TrimSpace(logsOut)
if containerLogs != "blahblah" {
c.Errorf("logs didn't print the container's logs %s", containerLogs)
}
dockerCmd(c, "rm", out)
}
// the container's ID should be printed when starting a container in detached mode
func (s *DockerSuite) TestRunDetachedContainerIDPrinting(c *testing.T) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
out = strings.TrimSpace(out)
dockerCmd(c, "wait", out)
rmOut, _ := dockerCmd(c, "rm", out)
rmOut = strings.TrimSpace(rmOut)
if rmOut != out {
c.Errorf("rm didn't print the container ID %s %s", out, rmOut)
}
}
// the working directory should be set correctly
func (s *DockerSuite) TestRunWorkingDirectory(c *testing.T) {
dir := "/root"
image := "busybox"
if testEnv.OSType == "windows" {
dir = `C:/Windows`
}
// First with -w
out, _ := dockerCmd(c, "run", "-w", dir, image, "pwd")
out = strings.TrimSpace(out)
if out != dir {
c.Errorf("-w failed to set working directory")
}
// Then with --workdir
out, _ = dockerCmd(c, "run", "--workdir", dir, image, "pwd")
out = strings.TrimSpace(out)
if out != dir {
c.Errorf("--workdir failed to set working directory")
}
}
// pinging Google's DNS resolver should fail when we disable the networking
func (s *DockerSuite) TestRunWithoutNetworking(c *testing.T) {
count := "-c"
image := "busybox"
if testEnv.OSType == "windows" {
count = "-n"
image = testEnv.PlatformDefaults.BaseImage
}
// First using the long form --net
out, exitCode, err := dockerCmdWithError("run", "--net=none", image, "ping", count, "1", "8.8.8.8")
if err != nil && exitCode != 1 {
c.Fatal(out, err)
}
if exitCode != 1 {
c.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
}
}
// test --link use container name to link target
func (s *DockerSuite) TestRunLinksContainerWithContainerName(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as the networking
// settings are not populated back yet on inspect.
testRequires(c, DaemonIsLinux)
dockerCmd(c, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
ip := inspectField(c, "parent", "NetworkSettings.Networks.bridge.IPAddress")
out, _ := dockerCmd(c, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
if !strings.Contains(out, ip+" test") {
c.Fatalf("use a container name to link target failed")
}
}
// test --link use container id to link target
func (s *DockerSuite) TestRunLinksContainerWithContainerID(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as the networking
// settings are not populated back yet on inspect.
testRequires(c, DaemonIsLinux)
cID, _ := dockerCmd(c, "run", "-i", "-t", "-d", "busybox")
cID = strings.TrimSpace(cID)
ip := inspectField(c, cID, "NetworkSettings.Networks.bridge.IPAddress")
out, _ := dockerCmd(c, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
if !strings.Contains(out, ip+" test") {
c.Fatalf("use a container id to link target failed")
}
}
func (s *DockerSuite) TestUserDefinedNetworkLinks(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
dockerCmd(c, "network", "create", "-d", "bridge", "udlinkNet")
dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=first", "busybox", "top")
assert.Assert(c, waitRun("first") == nil)
// run a container in user-defined network udlinkNet with a link for an existing container
// and a link for a container that doesn't exist
dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=second", "--link=first:foo",
"--link=third:bar", "busybox", "top")
assert.Assert(c, waitRun("second") == nil)
// ping to first and its alias foo must succeed
_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
assert.NilError(c, err)
// ping to third and its alias must fail
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "third")
assert.ErrorContains(c, err, "")
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "bar")
assert.ErrorContains(c, err, "")
// start third container now
dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=third", "busybox", "top")
assert.Assert(c, waitRun("third") == nil)
// ping to third and its alias must succeed now
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "third")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "bar")
assert.NilError(c, err)
}
func (s *DockerSuite) TestUserDefinedNetworkLinksWithRestart(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
dockerCmd(c, "network", "create", "-d", "bridge", "udlinkNet")
dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=first", "busybox", "top")
assert.Assert(c, waitRun("first") == nil)
dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=second", "--link=first:foo",
"busybox", "top")
assert.Assert(c, waitRun("second") == nil)
// ping to first and its alias foo must succeed
_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
assert.NilError(c, err)
// Restart first container
dockerCmd(c, "restart", "first")
assert.Assert(c, waitRun("first") == nil)
// ping to first and its alias foo must still succeed
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
assert.NilError(c, err)
// Restart second container
dockerCmd(c, "restart", "second")
assert.Assert(c, waitRun("second") == nil)
// ping to first and its alias foo must still succeed
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
assert.NilError(c, err)
}
func (s *DockerSuite) TestRunWithNetAliasOnDefaultNetworks(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
defaults := []string{"bridge", "host", "none"}
for _, net := range defaults {
out, _, err := dockerCmdWithError("run", "-d", "--net", net, "--net-alias", "alias_"+net, "busybox", "top")
assert.ErrorContains(c, err, "")
assert.Assert(c, strings.Contains(out, runconfig.ErrUnsupportedNetworkAndAlias.Error()))
}
}
func (s *DockerSuite) TestUserDefinedNetworkAlias(c *testing.T) {
testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
dockerCmd(c, "network", "create", "-d", "bridge", "net1")
cid1, _ := dockerCmd(c, "run", "-d", "--net=net1", "--name=first", "--net-alias=foo1", "--net-alias=foo2", "busybox:glibc", "top")
assert.Assert(c, waitRun("first") == nil)
// Check if default short-id alias is added automatically
id := strings.TrimSpace(cid1)
aliases := inspectField(c, id, "NetworkSettings.Networks.net1.Aliases")
assert.Assert(c, strings.Contains(aliases, stringid.TruncateID(id)))
cid2, _ := dockerCmd(c, "run", "-d", "--net=net1", "--name=second", "busybox:glibc", "top")
assert.Assert(c, waitRun("second") == nil)
// Check if default short-id alias is added automatically
id = strings.TrimSpace(cid2)
aliases = inspectField(c, id, "NetworkSettings.Networks.net1.Aliases")
assert.Assert(c, strings.Contains(aliases, stringid.TruncateID(id)))
// ping to first and its network-scoped aliases
_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo1")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo2")
assert.NilError(c, err)
// ping first container's short-id alias
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", stringid.TruncateID(cid1))
assert.NilError(c, err)
// Restart first container
dockerCmd(c, "restart", "first")
assert.Assert(c, waitRun("first") == nil)
// ping to first and its network-scoped aliases must succeed
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo1")
assert.NilError(c, err)
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo2")
assert.NilError(c, err)
// ping first container's short-id alias
_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", stringid.TruncateID(cid1))
assert.NilError(c, err)
}
// Issue 9677.
func (s *DockerSuite) TestRunWithDaemonFlags(c *testing.T) {
out, _, err := dockerCmdWithError("--exec-opt", "foo=bar", "run", "-i", "busybox", "true")
assert.ErrorContains(c, err, "")
assert.Assert(c, strings.Contains(out, "unknown flag: --exec-opt"))
}
// Regression test for #4979
func (s *DockerSuite) TestRunWithVolumesFromExited(c *testing.T) {
var (
out string
exitCode int
)
// Create a file in a volume
if testEnv.OSType == "windows" {
out, exitCode = dockerCmd(c, "run", "--name", "test-data", "--volume", `c:\some\dir`, testEnv.PlatformDefaults.BaseImage, "cmd", "/c", `echo hello > c:\some\dir\file`)
} else {
out, exitCode = dockerCmd(c, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
}
if exitCode != 0 {
c.Fatal("1", out, exitCode)
}
// Read the file from another container using --volumes-from to access the volume in the second container
if testEnv.OSType == "windows" {
out, exitCode = dockerCmd(c, "run", "--volumes-from", "test-data", testEnv.PlatformDefaults.BaseImage, "cmd", "/c", `type c:\some\dir\file`)
} else {
out, exitCode = dockerCmd(c, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
}
if exitCode != 0 {
c.Fatal("2", out, exitCode)
}
}
// Volume path is a symlink which also exists on the host, and the host side is a file not a dir
// But the volume call is just a normal volume, not a bind mount
func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir(c *testing.T) {
var (
dockerFile string
containerPath string
cmd string
)
// This test cannot run on a Windows daemon as
// Windows does not support symlinks inside a volume path
testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux)
name := "test-volume-symlink"
dir, err := ioutil.TempDir("", name)
if err != nil {
c.Fatal(err)
}
defer os.RemoveAll(dir)
// In the case of Windows to Windows CI, if the machine is setup so that
// the temp directory is not the C: drive, this test is invalid and will
// not work.
if testEnv.OSType == "windows" && strings.ToLower(dir[:1]) != "c" {
c.Skip("Requires TEMP to point to C: drive")
}
f, err := os.OpenFile(filepath.Join(dir, "test"), os.O_CREATE, 0700)
if err != nil {
c.Fatal(err)
}
f.Close()
if testEnv.OSType == "windows" {
dockerFile = fmt.Sprintf("FROM %s\nRUN mkdir %s\nRUN mklink /D c:\\test %s", testEnv.PlatformDefaults.BaseImage, dir, dir)
containerPath = `c:\test\test`
cmd = "tasklist"
} else {
dockerFile = fmt.Sprintf("FROM busybox\nRUN mkdir -p %s\nRUN ln -s %s /test", dir, dir)
containerPath = "/test/test"
cmd = "true"
}
buildImageSuccessfully(c, name, build.WithDockerfile(dockerFile))
dockerCmd(c, "run", "-v", containerPath, name, cmd)
}
// Volume path is a symlink in the container
func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir2(c *testing.T) {
var (
dockerFile string
containerPath string
cmd string
)
// This test cannot run on a Windows daemon as
// Windows does not support symlinks inside a volume path
testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux)
name := "test-volume-symlink2"
if testEnv.OSType == "windows" {
dockerFile = fmt.Sprintf("FROM %s\nRUN mkdir c:\\%s\nRUN mklink /D c:\\test c:\\%s", testEnv.PlatformDefaults.BaseImage, name, name)
containerPath = `c:\test\test`
cmd = "tasklist"
} else {
dockerFile = fmt.Sprintf("FROM busybox\nRUN mkdir -p /%s\nRUN ln -s /%s /test", name, name)
containerPath = "/test/test"
cmd = "true"
}
buildImageSuccessfully(c, name, build.WithDockerfile(dockerFile))
dockerCmd(c, "run", "-v", containerPath, name, cmd)
}
func (s *DockerSuite) TestRunVolumesMountedAsReadonly(c *testing.T) {
if _, code, err := dockerCmdWithError("run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile"); err == nil || code == 0 {
c.Fatalf("run should fail because volume is ro: exit code %d", code)
}
}
func (s *DockerSuite) TestRunVolumesFromInReadonlyModeFails(c *testing.T) {
var (
volumeDir string
fileInVol string
)
if testEnv.OSType == "windows" {
volumeDir = `c:/test` // Forward-slash as using busybox
fileInVol = `c:/test/file`
} else {
testRequires(c, DaemonIsLinux)
volumeDir = "/test"
fileInVol = `/test/file`
}
dockerCmd(c, "run", "--name", "parent", "-v", volumeDir, "busybox", "true")
if _, code, err := dockerCmdWithError("run", "--volumes-from", "parent:ro", "busybox", "touch", fileInVol); err == nil || code == 0 {
c.Fatalf("run should fail because volume is ro: exit code %d", code)
}
}
// Regression test for #1201
func (s *DockerSuite) TestRunVolumesFromInReadWriteMode(c *testing.T) {
var (
volumeDir string
fileInVol string
)
if testEnv.OSType == "windows" {
volumeDir = `c:/test` // Forward-slash as using busybox
fileInVol = `c:/test/file`
} else {
volumeDir = "/test"
fileInVol = "/test/file"
}
dockerCmd(c, "run", "--name", "parent", "-v", volumeDir, "busybox", "true")
dockerCmd(c, "run", "--volumes-from", "parent:rw", "busybox", "touch", fileInVol)
if out, _, err := dockerCmdWithError("run", "--volumes-from", "parent:bar", "busybox", "touch", fileInVol); err == nil || !strings.Contains(out, `invalid mode: bar`) {
c.Fatalf("running --volumes-from parent:bar should have failed with invalid mode: %q", out)
}
dockerCmd(c, "run", "--volumes-from", "parent", "busybox", "touch", fileInVol)
}
func (s *DockerSuite) TestVolumesFromGetsProperMode(c *testing.T) {
testRequires(c, testEnv.IsLocalDaemon)
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
hostpath := RandomTmpDirPath("test", testEnv.OSType)
if err := os.MkdirAll(hostpath, 0755); err != nil {
c.Fatalf("Failed to create %s: %q", hostpath, err)
}
defer os.RemoveAll(hostpath)
dockerCmd(c, "run", "--name", "parent", "-v", hostpath+":"+prefix+slash+"test:ro", "busybox", "true")
// Expect this "rw" mode to be be ignored since the inherited volume is "ro"
if _, _, err := dockerCmdWithError("run", "--volumes-from", "parent:rw", "busybox", "touch", prefix+slash+"test"+slash+"file"); err == nil {
c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
}
dockerCmd(c, "run", "--name", "parent2", "-v", hostpath+":"+prefix+slash+"test:ro", "busybox", "true")
// Expect this to be read-only since both are "ro"
if _, _, err := dockerCmdWithError("run", "--volumes-from", "parent2:ro", "busybox", "touch", prefix+slash+"test"+slash+"file"); err == nil {
c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
}
}
// Test for GH#10618
func (s *DockerSuite) TestRunNoDupVolumes(c *testing.T) {
path1 := RandomTmpDirPath("test1", testEnv.OSType)
path2 := RandomTmpDirPath("test2", testEnv.OSType)
someplace := ":/someplace"
if testEnv.OSType == "windows" {
// Windows requires that the source directory exists before calling HCS
testRequires(c, testEnv.IsLocalDaemon)
someplace = `:c:\someplace`
if err := os.MkdirAll(path1, 0755); err != nil {
c.Fatalf("Failed to create %s: %q", path1, err)
}
defer os.RemoveAll(path1)
if err := os.MkdirAll(path2, 0755); err != nil {
c.Fatalf("Failed to create %s: %q", path1, err)
}
defer os.RemoveAll(path2)
}
mountstr1 := path1 + someplace
mountstr2 := path2 + someplace
if out, _, err := dockerCmdWithError("run", "-v", mountstr1, "-v", mountstr2, "busybox", "true"); err == nil {
c.Fatal("Expected error about duplicate mount definitions")
} else {
if !strings.Contains(out, "Duplicate mount point") {
c.Fatalf("Expected 'duplicate mount point' error, got %v", out)
}
}
// Test for https://github.com/docker/docker/issues/22093
volumename1 := "test1"
volumename2 := "test2"
volume1 := volumename1 + someplace
volume2 := volumename2 + someplace
if out, _, err := dockerCmdWithError("run", "-v", volume1, "-v", volume2, "busybox", "true"); err == nil {
c.Fatal("Expected error about duplicate mount definitions")
} else {
if !strings.Contains(out, "Duplicate mount point") {
c.Fatalf("Expected 'duplicate mount point' error, got %v", out)
}
}
// create failed should have create volume volumename1 or volumename2
// we should remove volumename2 or volumename2 successfully
out, _ := dockerCmd(c, "volume", "ls")
if strings.Contains(out, volumename1) {
dockerCmd(c, "volume", "rm", volumename1)
} else {
dockerCmd(c, "volume", "rm", volumename2)
}
}
// Test for #1351
func (s *DockerSuite) TestRunApplyVolumesFromBeforeVolumes(c *testing.T) {
prefix := ""
if testEnv.OSType == "windows" {
prefix = `c:`
}
dockerCmd(c, "run", "--name", "parent", "-v", prefix+"/test", "busybox", "touch", prefix+"/test/foo")
dockerCmd(c, "run", "--volumes-from", "parent", "-v", prefix+"/test", "busybox", "cat", prefix+"/test/foo")
}
func (s *DockerSuite) TestRunMultipleVolumesFrom(c *testing.T) {
prefix := ""
if testEnv.OSType == "windows" {
prefix = `c:`
}
dockerCmd(c, "run", "--name", "parent1", "-v", prefix+"/test", "busybox", "touch", prefix+"/test/foo")
dockerCmd(c, "run", "--name", "parent2", "-v", prefix+"/other", "busybox", "touch", prefix+"/other/bar")
dockerCmd(c, "run", "--volumes-from", "parent1", "--volumes-from", "parent2", "busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
}
// this tests verifies the ID format for the container
func (s *DockerSuite) TestRunVerifyContainerID(c *testing.T) {
out, exit, err := dockerCmdWithError("run", "-d", "busybox", "true")
if err != nil {
c.Fatal(err)
}
if exit != 0 {
c.Fatalf("expected exit code 0 received %d", exit)
}
match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
if err != nil {
c.Fatal(err)
}
if !match {
c.Fatalf("Invalid container ID: %s", out)
}
}
// Test that creating a container with a volume doesn't crash. Regression test for #995.
func (s *DockerSuite) TestRunCreateVolume(c *testing.T) {
prefix := ""
if testEnv.OSType == "windows" {
prefix = `c:`
}
dockerCmd(c, "run", "-v", prefix+"/var/lib/data", "busybox", "true")
}
// 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 (s *DockerSuite) TestRunCreateVolumeWithSymlink(c *testing.T) {
// Cannot run on Windows as relies on Linux-specific functionality (sh -c mount...)
testRequires(c, DaemonIsLinux)
workingDirectory, err := ioutil.TempDir("", "TestRunCreateVolumeWithSymlink")
assert.NilError(c, err)
image := "docker-test-createvolumewithsymlink"
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 {
c.Fatalf("could not build '%s': %v", image, err)
}
_, exitCode, err := dockerCmdWithError("run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
if err != nil || exitCode != 0 {
c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
}
volPath, err := inspectMountSourceField("test-createvolumewithsymlink", "/bar/foo")
assert.NilError(c, err)
_, exitCode, err = dockerCmdWithError("rm", "-v", "test-createvolumewithsymlink")
if err != nil || exitCode != 0 {
c.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
}
_, err = os.Stat(volPath)
if !os.IsNotExist(err) {
c.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
}
}
// Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
func (s *DockerSuite) TestRunVolumesFromSymlinkPath(c *testing.T) {
// This test cannot run on a Windows daemon as
// Windows does not support symlinks inside a volume path
testRequires(c, DaemonIsLinux)
workingDirectory, err := ioutil.TempDir("", "TestRunVolumesFromSymlinkPath")
assert.NilError(c, err)
name := "docker-test-volumesfromsymlinkpath"
prefix := ""
dfContents := `FROM busybox
RUN ln -s home /foo
VOLUME ["/foo/bar"]`
if testEnv.OSType == "windows" {
prefix = `c:`
dfContents = `FROM ` + testEnv.PlatformDefaults.BaseImage + `
RUN mkdir c:\home
RUN mklink /D c:\foo c:\home
VOLUME ["c:/foo/bar"]
ENTRYPOINT c:\windows\system32\cmd.exe`
}
buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
buildCmd.Stdin = strings.NewReader(dfContents)
buildCmd.Dir = workingDirectory
err = buildCmd.Run()
if err != nil {
c.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
}
out, exitCode, err := dockerCmdWithError("run", "--name", "test-volumesfromsymlinkpath", name)
if err != nil || exitCode != 0 {
c.Fatalf("[run] (volume) err: %v, exitcode: %d, out: %s", err, exitCode, out)
}
_, exitCode, err = dockerCmdWithError("run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls "+prefix+"/foo | grep -q bar")
if err != nil || exitCode != 0 {
c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
}
}
func (s *DockerSuite) TestRunExitCode(c *testing.T) {
var (
exit int
err error
)
_, exit, err = dockerCmdWithError("run", "busybox", "/bin/sh", "-c", "exit 72")
if err == nil {
c.Fatal("should not have a non nil error")
}
if exit != 72 {
c.Fatalf("expected exit code 72 received %d", exit)
}
}
func (s *DockerSuite) TestRunUserDefaults(c *testing.T) {
expected := "uid=0(root) gid=0(root)"
if testEnv.OSType == "windows" {
expected = "uid=0(root) gid=0(root) groups=0(root)"
}
out, _ := dockerCmd(c, "run", "busybox", "id")
if !strings.Contains(out, expected) {
c.Fatalf("expected '%s' got %s", expected, out)
}
}
func (s *DockerSuite) TestRunUserByName(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as Windows does
// not support the use of -u
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-u", "root", "busybox", "id")
if !strings.Contains(out, "uid=0(root) gid=0(root)") {
c.Fatalf("expected root user got %s", out)
}
}
func (s *DockerSuite) TestRunUserByID(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as Windows does
// not support the use of -u
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-u", "1", "busybox", "id")
if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
c.Fatalf("expected daemon user got %s", out)
}
}
func (s *DockerSuite) TestRunUserByIDBig(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as Windows does
// not support the use of -u
testRequires(c, DaemonIsLinux, NotArm)
out, _, err := dockerCmdWithError("run", "-u", "2147483648", "busybox", "id")
if err == nil {
c.Fatal("No error, but must be.", out)
}
if !strings.Contains(strings.ToLower(out), "uids and gids must be in range") {
c.Fatalf("expected error about uids range, got %s", out)
}
}
func (s *DockerSuite) TestRunUserByIDNegative(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as Windows does
// not support the use of -u
testRequires(c, DaemonIsLinux)
out, _, err := dockerCmdWithError("run", "-u", "-1", "busybox", "id")
if err == nil {
c.Fatal("No error, but must be.", out)
}
if !strings.Contains(strings.ToLower(out), "uids and gids must be in range") {
c.Fatalf("expected error about uids range, got %s", out)
}
}
func (s *DockerSuite) TestRunUserByIDZero(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as Windows does
// not support the use of -u
testRequires(c, DaemonIsLinux)
out, _, err := dockerCmdWithError("run", "-u", "0", "busybox", "id")
if err != nil {
c.Fatal(err, out)
}
if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
c.Fatalf("expected daemon user got %s", out)
}
}
func (s *DockerSuite) TestRunUserNotFound(c *testing.T) {
// TODO Windows: This test cannot run on a Windows daemon as Windows does
// not support the use of -u
testRequires(c, DaemonIsLinux)
_, _, err := dockerCmdWithError("run", "-u", "notme", "busybox", "id")
if err == nil {
c.Fatal("unknown user should cause container to fail")
}
}
func (s *DockerSuite) TestRunTwoConcurrentContainers(c *testing.T) {
sleepTime := "2"
group := sync.WaitGroup{}
group.Add(2)
errChan := make(chan error, 2)
for i := 0; i < 2; i++ {
go func() {
defer group.Done()
_, _, err := dockerCmdWithError("run", "busybox", "sleep", sleepTime)
errChan <- err
}()
}
group.Wait()
close(errChan)
for err := range errChan {
assert.NilError(c, err)
}
}
func (s *DockerSuite) TestRunEnvironment(c *testing.T) {
// TODO Windows: Environment handling is different between Linux and
// Windows and this test relies currently on unix functionality.
testRequires(c, DaemonIsLinux)
result := icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env"},
Env: append(os.Environ(),
"TRUE=false",
"TRICKY=tri\ncky\n",
),
})
result.Assert(c, icmd.Success)
actualEnv := strings.Split(strings.TrimSuffix(result.Stdout(), "\n"), "\n")
sort.Strings(actualEnv)
goodEnv := []string{
// The first two should not be tested here, those are "inherent" environment variable. This test validates
// the -e behavior, not the default environment variable (that could be subject to change)
"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) {
c.Fatalf("Wrong environment: should be %d variables, not %d: %q", len(goodEnv), len(actualEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
}
func (s *DockerSuite) TestRunEnvironmentErase(c *testing.T) {
// TODO Windows: Environment handling is different between Linux and
// Windows and this test relies currently on unix functionality.
testRequires(c, DaemonIsLinux)
// 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
result := icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env"},
Env: appendBaseEnv(true),
})
result.Assert(c, icmd.Success)
actualEnv := strings.Split(strings.TrimSpace(result.Combined()), "\n")
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) {
c.Fatalf("Wrong environment: should be %d variables, not %d: %q", len(goodEnv), len(actualEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
}
func (s *DockerSuite) TestRunEnvironmentOverride(c *testing.T) {
// TODO Windows: Environment handling is different between Linux and
// Windows and this test relies currently on unix functionality.
testRequires(c, DaemonIsLinux)
// Test to make sure that when we use -e on env vars that are
// already in the env that we're overriding them
result := icmd.RunCmd(icmd.Cmd{
Command: []string{dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env"},
Env: appendBaseEnv(true, "HOSTNAME=bar"),
})
result.Assert(c, icmd.Success)
actualEnv := strings.Split(strings.TrimSpace(result.Combined()), "\n")
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) {
c.Fatalf("Wrong environment: should be %d variables, not %d: %q", len(goodEnv), len(actualEnv), strings.Join(actualEnv, ", "))
}
for i := range goodEnv {
if actualEnv[i] != goodEnv[i] {
c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
}
}
}
func (s *DockerSuite) TestRunContainerNetwork(c *testing.T) {
if testEnv.OSType == "windows" {
// Windows busybox does not have ping. Use built in ping instead.
dockerCmd(c, "run", testEnv.PlatformDefaults.BaseImage, "ping", "-n", "1", "127.0.0.1")
} else {
dockerCmd(c, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
}
}
func (s *DockerSuite) TestRunNetHostNotAllowedWithLinks(c *testing.T) {
// TODO Windows: This is Linux specific as --link is not supported and
// this will be deprecated in favor of container networking model.
testRequires(c, DaemonIsLinux, NotUserNamespace)
dockerCmd(c, "run", "--name", "linked", "busybox", "true")
_, _, err := dockerCmdWithError("run", "--net=host", "--link", "linked:linked", "busybox", "true")
if err == nil {
c.Fatal("Expected error")
}
}
// #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 (s *DockerSuite) TestRunFullHostnameSet(c *testing.T) {
// TODO Windows: -h is not yet functional.
testRequires(c, DaemonIsLinux)
out, _ := dockerCmd(c, "run", "-h", "foo.bar.baz", "busybox", "hostname")
if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
c.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
}
}
func (s *DockerSuite) TestRunPrivilegedCanMknod(c *testing.T) {
// Not applicable for Windows as Windows daemon does not support
// the concept of --privileged, and mknod is a Unix concept.
testRequires(c, DaemonIsLinux, NotUserNamespace)
out, _ := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
c.Fatalf("expected output ok received %s", actual)
}
}
func (s *DockerSuite) TestRunUnprivilegedCanMknod(c *testing.T) {
// Not applicable for Windows as Windows daemon does not support
// the concept of --privileged, and mknod is a Unix concept.
testRequires(c, DaemonIsLinux, NotUserNamespace)
out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
if actual := strings.Trim(out, "\r\n"); actual != "ok" {
c.Fatalf("expected output ok received %s", actual)
}
}
func (s *DockerSuite) TestRunCapDropInvalid(c *testing.T) {
// Not applicable for Windows as there is no concept of --cap-drop
testRequires(c, DaemonIsLinux)
out, _, err := dockerCmdWithError("run", "--cap-drop=CHPASS", "busybox", "ls")
if err == nil {
c.Fatal(err, out)
}
}
func (s *DockerSuite) TestRunCapDropCannotMknod(c *testing.T) {
// Not applicable for Windows as there is no concept of --cap-drop or mknod
testRequires(c, DaemonIsLinux)
out, _, err := dockerCmdWithError("run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
if err == nil {
c.Fatal(err, out)
}
if actual := strings.Trim(out, "\r\n"); actual == "ok" {
c.Fatalf("expected output not ok received %s", actual)
}
}
func (s *DockerSuite) TestRunCapDropCannotMknodLowerCase(c *testing.T) {
// Not applicable for Windows as there is no concept of --cap-drop or mknod
testRequires(c, DaemonIsLinux)