package main import ( "bufio" "bytes" "context" "encoding/json" "fmt" "io" "net" "os" "os/exec" "path" "path/filepath" "reflect" "regexp" "runtime" "sort" "strconv" "strings" "sync" "testing" "time" "github.com/docker/docker/client" "github.com/docker/docker/integration-cli/cli" "github.com/docker/docker/integration-cli/cli/build" "github.com/docker/docker/libnetwork/resolvconf" "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/moby/sys/mountinfo" "gotest.tools/v3/assert" "gotest.tools/v3/icmd" "gotest.tools/v3/skip" ) // "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 := os.MkdirTemp("", 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 := os.MkdirTemp("", "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 := os.MkdirTemp("", "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 ". 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) 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) TestRunCapDropALLCannotMknod(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=ALL", "--cap-add=SETGID", "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) TestRunCapDropALLAddMknodCanMknod(c *testing.T) { // Not applicable for Windows as there is no concept of --cap-drop or mknod testRequires(c, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "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) TestRunCapAddInvalid(c *testing.T) { // Not applicable for Windows as there is no concept of --cap-add testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "--cap-add=CHPASS", "busybox", "ls") if err == nil { c.Fatal(err, out) } } func (s *DockerSuite) TestRunCapAddCanDownInterface(c *testing.T) { // Not applicable for Windows as there is no concept of --cap-add testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok") if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunCapAddALLCanDownInterface(c *testing.T) { // Not applicable for Windows as there is no concept of --cap-add testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok") if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunCapAddALLDropNetAdminCanDownInterface(c *testing.T) { // Not applicable for Windows as there is no concept of --cap-add testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && 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) TestRunGroupAdd(c *testing.T) { // Not applicable for Windows as there is no concept of --group-add testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--group-add=audio", "--group-add=staff", "--group-add=777", "busybox", "sh", "-c", "id") groupsList := "uid=0(root) gid=0(root) groups=10(wheel),29(audio),50(staff),777" if actual := strings.Trim(out, "\r\n"); actual != groupsList { c.Fatalf("expected output %s received %s", groupsList, actual) } } func (s *DockerSuite) TestRunPrivilegedCanMount(c *testing.T) { // Not applicable for Windows as there is no concept of --privileged testRequires(c, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok") if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunUnprivilegedCannotMount(c *testing.T) { // Not applicable for Windows as there is no concept of unprivileged testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && 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) TestRunSysNotWritableInNonPrivilegedContainers(c *testing.T) { // Not applicable for Windows as there is no concept of unprivileged testRequires(c, DaemonIsLinux, NotArm) if _, code, err := dockerCmdWithError("run", "busybox", "touch", "/sys/kernel/profiling"); err == nil || code == 0 { c.Fatal("sys should not be writable in a non privileged container") } } func (s *DockerSuite) TestRunSysWritableInPrivilegedContainers(c *testing.T) { // Not applicable for Windows as there is no concept of unprivileged testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) if _, code, err := dockerCmdWithError("run", "--privileged", "busybox", "touch", "/sys/kernel/profiling"); err != nil || code != 0 { c.Fatalf("sys should be writable in privileged container") } } func (s *DockerSuite) TestRunProcNotWritableInNonPrivilegedContainers(c *testing.T) { // Not applicable for Windows as there is no concept of unprivileged testRequires(c, DaemonIsLinux) if _, code, err := dockerCmdWithError("run", "busybox", "touch", "/proc/sysrq-trigger"); err == nil || code == 0 { c.Fatal("proc should not be writable in a non privileged container") } } func (s *DockerSuite) TestRunProcWritableInPrivilegedContainers(c *testing.T) { // Not applicable for Windows as there is no concept of --privileged testRequires(c, DaemonIsLinux, NotUserNamespace) if _, code := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "touch /proc/sysrq-trigger"); code != 0 { c.Fatalf("proc should be writable in privileged container") } } func (s *DockerSuite) TestRunDeviceNumbers(c *testing.T) { // Not applicable on Windows as /dev/ is a Unix specific concept // TODO: NotUserNamespace could be removed here if "root" "root" is replaced w user testRequires(c, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "ls -l /dev/null") 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)) { c.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out) } } func (s *DockerSuite) TestRunThatCharacterDevicesActLikeCharacterDevices(c *testing.T) { // Not applicable on Windows as /dev/ is a Unix specific concept testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero") if actual := strings.Trim(out, "\r\n"); actual[0] == '0' { c.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual) } } func (s *DockerSuite) TestRunUnprivilegedWithChroot(c *testing.T) { // Not applicable on Windows as it does not support chroot testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "busybox", "chroot", "/", "true") } func (s *DockerSuite) TestRunAddingOptionalDevices(c *testing.T) { // Not applicable on Windows as Windows does not support --device testRequires(c, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo") if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" { c.Fatalf("expected output /dev/nulo, received %s", actual) } } func (s *DockerSuite) TestRunAddingOptionalDevicesNoSrc(c *testing.T) { // Not applicable on Windows as Windows does not support --device testRequires(c, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "--device", "/dev/zero:rw", "busybox", "sh", "-c", "ls /dev/zero") if actual := strings.Trim(out, "\r\n"); actual != "/dev/zero" { c.Fatalf("expected output /dev/zero, received %s", actual) } } func (s *DockerSuite) TestRunAddingOptionalDevicesInvalidMode(c *testing.T) { // Not applicable on Windows as Windows does not support --device testRequires(c, DaemonIsLinux, NotUserNamespace) _, _, err := dockerCmdWithError("run", "--device", "/dev/zero:ro", "busybox", "sh", "-c", "ls /dev/zero") if err == nil { c.Fatalf("run container with device mode ro should fail") } } func (s *DockerSuite) TestRunModeHostname(c *testing.T) { // Not applicable on Windows as Windows does not support -h testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) out, _ := dockerCmd(c, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname") if actual := strings.Trim(out, "\r\n"); actual != "testhostname" { c.Fatalf("expected 'testhostname', but says: %q", actual) } out, _ = dockerCmd(c, "run", "--net=host", "busybox", "cat", "/etc/hostname") hostname, err := os.Hostname() if err != nil { c.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != hostname { c.Fatalf("expected %q, but says: %q", hostname, actual) } } func (s *DockerSuite) TestRunRootWorkdir(c *testing.T) { out, _ := dockerCmd(c, "run", "--workdir", "/", "busybox", "pwd") expected := "/\n" if testEnv.OSType == "windows" { expected = "C:" + expected } if out != expected { c.Fatalf("pwd returned %q (expected %s)", s, expected) } } func (s *DockerSuite) TestRunAllowBindMountingRoot(c *testing.T) { if testEnv.OSType == "windows" { // Windows busybox will fail with Permission Denied on items such as pagefile.sys dockerCmd(c, "run", "-v", `c:\:c:\host`, testEnv.PlatformDefaults.BaseImage, "cmd", "-c", "dir", `c:\host`) } else { dockerCmd(c, "run", "-v", "/:/host", "busybox", "ls", "/host") } } func (s *DockerSuite) TestRunDisallowBindMountingRootToRoot(c *testing.T) { mount := "/:/" targetDir := "/host" if testEnv.OSType == "windows" { mount = `c:\:c\` targetDir = "c:/host" // Forward slash as using busybox } out, _, err := dockerCmdWithError("run", "-v", mount, "busybox", "ls", targetDir) if err == nil { c.Fatal(out, err) } } // Verify that a container gets default DNS when only localhost resolvers exist func (s *DockerSuite) TestRunDNSDefaultOptions(c *testing.T) { // Not applicable on Windows as this is testing Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) // preserve original resolv.conf for restoring after test origResolvConf, err := os.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { c.Fatalf("/etc/resolv.conf does not exist") } // defer restored original conf defer func() { if err := os.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil { c.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 := os.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { c.Fatal(err) } actual, _ := dockerCmd(c, "run", "busybox", "cat", "/etc/resolv.conf") // 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\n" if actual != expected { c.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual) } } func (s *DockerSuite) TestRunDNSOptions(c *testing.T) { // Not applicable on Windows as Windows does not support --dns*, or // the Unix-specific functionality of resolv.conf. testRequires(c, DaemonIsLinux) result := cli.DockerCmd(c, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "--dns-opt=ndots:9", "busybox", "cat", "/etc/resolv.conf") // The client will get a warning on stderr when setting DNS to a localhost address; verify this: if !strings.Contains(result.Stderr(), "Localhost DNS setting") { c.Fatalf("Expected warning on stderr about localhost resolver, but got %q", result.Stderr()) } actual := strings.Replace(strings.Trim(result.Stdout(), "\r\n"), "\n", " ", -1) if actual != "search mydomain nameserver 127.0.0.1 options ndots:9" { c.Fatalf("expected 'search mydomain nameserver 127.0.0.1 options ndots:9', but says: %q", actual) } out := cli.DockerCmd(c, "run", "--dns=1.1.1.1", "--dns-search=.", "--dns-opt=ndots:3", "busybox", "cat", "/etc/resolv.conf").Combined() actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1) if actual != "nameserver 1.1.1.1 options ndots:3" { c.Fatalf("expected 'nameserver 1.1.1.1 options ndots:3', but says: %q", actual) } } func (s *DockerSuite) TestRunDNSRepeatOptions(c *testing.T) { testRequires(c, DaemonIsLinux) out := cli.DockerCmd(c, "run", "--dns=1.1.1.1", "--dns=2.2.2.2", "--dns-search=mydomain", "--dns-search=mydomain2", "--dns-opt=ndots:9", "--dns-opt=timeout:3", "busybox", "cat", "/etc/resolv.conf").Stdout() actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1) if actual != "search mydomain mydomain2 nameserver 1.1.1.1 nameserver 2.2.2.2 options ndots:9 timeout:3" { c.Fatalf("expected 'search mydomain mydomain2 nameserver 1.1.1.1 nameserver 2.2.2.2 options ndots:9 timeout:3', but says: %q", actual) } } func (s *DockerSuite) TestRunDNSOptionsBasedOnHostResolvConf(c *testing.T) { // Not applicable on Windows as testing Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) origResolvConf, err := os.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { c.Fatalf("/etc/resolv.conf does not exist") } hostNameservers := resolvconf.GetNameservers(origResolvConf, resolvconf.IP) hostSearch := resolvconf.GetSearchDomains(origResolvConf) var out string out, _ = dockerCmd(c, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf") if actualNameservers := resolvconf.GetNameservers([]byte(out), resolvconf.IP); actualNameservers[0] != "127.0.0.1" { c.Fatalf("expected '127.0.0.1', but says: %q", actualNameservers[0]) } actualSearch := resolvconf.GetSearchDomains([]byte(out)) if len(actualSearch) != len(hostSearch) { c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch)) } for i := range actualSearch { if actualSearch[i] != hostSearch[i] { c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i]) } } out, _ = dockerCmd(c, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf") actualNameservers := resolvconf.GetNameservers([]byte(out), resolvconf.IP) if len(actualNameservers) != len(hostNameservers) { c.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNameservers), len(actualNameservers)) } for i := range actualNameservers { if actualNameservers[i] != hostNameservers[i] { c.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNameservers[i]) } } if actualSearch = resolvconf.GetSearchDomains([]byte(out)); actualSearch[0] != "mydomain" { c.Fatalf("expected 'mydomain', but says: %q", actualSearch[0]) } // test with file tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1") if err := os.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { c.Fatal(err) } // put the old resolvconf back defer func() { if err := os.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil { c.Fatal(err) } }() resolvConf, err := os.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { c.Fatalf("/etc/resolv.conf does not exist") } hostSearch = resolvconf.GetSearchDomains(resolvConf) out, _ = dockerCmd(c, "run", "busybox", "cat", "/etc/resolv.conf") if actualNameservers = resolvconf.GetNameservers([]byte(out), resolvconf.IP); actualNameservers[0] != "12.34.56.78" || len(actualNameservers) != 1 { c.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers) } actualSearch = resolvconf.GetSearchDomains([]byte(out)) if len(actualSearch) != len(hostSearch) { c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch)) } for i := range actualSearch { if actualSearch[i] != hostSearch[i] { c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i]) } } } // Test to see if a non-root user can resolve a DNS name. Also // check if the container resolv.conf file has at least 0644 perm. func (s *DockerSuite) TestRunNonRootUserResolvName(c *testing.T) { // Not applicable on Windows as Windows does not support --user testRequires(c, testEnv.IsLocalDaemon, Network, DaemonIsLinux, NotArm) dockerCmd(c, "run", "--name=testperm", "--user=nobody", "busybox", "nslookup", "example.com") cID := getIDByName(c, "testperm") fmode := (os.FileMode)(0644) finfo, err := os.Stat(containerStorageFile(cID, "resolv.conf")) if err != nil { c.Fatal(err) } if (finfo.Mode() & fmode) != fmode { c.Fatalf("Expected container resolv.conf mode to be at least %s, instead got %s", fmode.String(), finfo.Mode().String()) } } // Test if container resolv.conf gets updated the next time it restarts // if host /etc/resolv.conf has changed. This only applies if the container // uses the host's /etc/resolv.conf and does not have any dns options provided. func (s *DockerSuite) TestRunResolvconfUpdate(c *testing.T) { // Not applicable on Windows as testing unix specific functionality testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) c.Skip("Unstable test, to be re-activated once #19937 is resolved") tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\n") tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1") // take a copy of resolv.conf for restoring after test completes resolvConfSystem, err := os.ReadFile("/etc/resolv.conf") if err != nil { c.Fatal(err) } // This test case is meant to test monitoring resolv.conf when it is // a regular file not a bind mounc. So we unmount resolv.conf and replace // it with a file containing the original settings. mounted, err := mountinfo.Mounted("/etc/resolv.conf") if err != nil { c.Fatal(err) } if mounted { icmd.RunCommand("umount", "/etc/resolv.conf").Assert(c, icmd.Success) } // cleanup defer func() { if err := os.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } }() // 1. test that a restarting container gets an updated resolv.conf dockerCmd(c, "run", "--name=first", "busybox", "true") containerID1 := getIDByName(c, "first") // replace resolv.conf with our temporary copy if err := os.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { c.Fatal(err) } // start the container again to pickup changes dockerCmd(c, "start", "first") // check for update in container containerResolv := readContainerFile(c, containerID1, "resolv.conf") if !bytes.Equal(containerResolv, tmpResolvConf) { c.Fatalf("Restarted container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv)) } /* // make a change to resolv.conf (in this case replacing our tmp copy with orig copy) if err := os.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } */ // 2. test that a restarting container does not receive resolv.conf updates // if it modified the container copy of the starting point resolv.conf dockerCmd(c, "run", "--name=second", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf") containerID2 := getIDByName(c, "second") // make a change to resolv.conf (in this case replacing our tmp copy with orig copy) if err := os.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } // start the container again dockerCmd(c, "start", "second") // check for update in container containerResolv = readContainerFile(c, containerID2, "resolv.conf") if bytes.Equal(containerResolv, resolvConfSystem) { c.Fatalf("Container's resolv.conf should not have been updated with host resolv.conf: %q", string(containerResolv)) } // 3. test that a running container's resolv.conf is not modified while running out, _ := dockerCmd(c, "run", "-d", "busybox", "top") runningContainerID := strings.TrimSpace(out) // replace resolv.conf if err := os.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { c.Fatal(err) } // check for update in container containerResolv = readContainerFile(c, runningContainerID, "resolv.conf") if bytes.Equal(containerResolv, tmpResolvConf) { c.Fatalf("Running container should not have updated resolv.conf; expected %q, got %q", string(resolvConfSystem), string(containerResolv)) } // 4. test that a running container's resolv.conf is updated upon restart // (the above container is still running..) dockerCmd(c, "restart", runningContainerID) // check for update in container containerResolv = readContainerFile(c, runningContainerID, "resolv.conf") if !bytes.Equal(containerResolv, tmpResolvConf) { c.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", string(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 if err = os.WriteFile("/etc/resolv.conf", tmpLocalhostResolvConf, 0644); err != nil { c.Fatal(err) } // start the container again to pickup changes dockerCmd(c, "start", "first") // 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 = readContainerFile(c, containerID1, "resolv.conf") expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4\n" if !bytes.Equal(containerResolv, []byte(expected)) { c.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv)) } // 6. Test that replacing (as opposed to modifying) resolv.conf triggers an update // of containers' resolv.conf. // Restore the original resolv.conf if err := os.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } // Run the container so it picks up the old settings dockerCmd(c, "run", "--name=third", "busybox", "true") containerID3 := getIDByName(c, "third") // Create a modified resolv.conf.aside and override resolv.conf with it if err := os.WriteFile("/etc/resolv.conf.aside", tmpResolvConf, 0644); err != nil { c.Fatal(err) } err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf") if err != nil { c.Fatal(err) } // start the container again to pickup changes dockerCmd(c, "start", "third") // check for update in container containerResolv = readContainerFile(c, containerID3, "resolv.conf") if !bytes.Equal(containerResolv, tmpResolvConf) { c.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv)) } // cleanup, restore original resolv.conf happens in defer func() } func (s *DockerSuite) TestRunAddHost(c *testing.T) { // Not applicable on Windows as it does not support --add-host testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts") actual := strings.Trim(out, "\r\n") if actual != "86.75.30.9\textra" { c.Fatalf("expected '86.75.30.9\textra', but says: %q", actual) } } // Regression test for #6983 func (s *DockerSuite) TestRunAttachStdErrOnlyTTYMode(c *testing.T) { _, exitCode := dockerCmd(c, "run", "-t", "-a", "stderr", "busybox", "true") if exitCode != 0 { c.Fatalf("Container should have exited with error code 0") } } // Regression test for #6983 func (s *DockerSuite) TestRunAttachStdOutOnlyTTYMode(c *testing.T) { _, exitCode := dockerCmd(c, "run", "-t", "-a", "stdout", "busybox", "true") if exitCode != 0 { c.Fatalf("Container should have exited with error code 0") } } // Regression test for #6983 func (s *DockerSuite) TestRunAttachStdOutAndErrTTYMode(c *testing.T) { _, exitCode := dockerCmd(c, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true") if exitCode != 0 { c.Fatalf("Container should have exited with error code 0") } } // 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 (s *DockerSuite) TestRunAttachWithDetach(c *testing.T) { icmd.RunCommand(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true").Assert(c, icmd.Expected{ ExitCode: 1, Error: "exit status 1", Err: "Conflicting options: -a and -d", }) } func (s *DockerSuite) TestRunState(c *testing.T) { // TODO Windows: This needs some rework as Windows busybox does not support top testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "busybox", "top") id := strings.TrimSpace(out) state := inspectField(c, id, "State.Running") if state != "true" { c.Fatal("Container state is 'not running'") } pid1 := inspectField(c, id, "State.Pid") if pid1 == "0" { c.Fatal("Container state Pid 0") } dockerCmd(c, "stop", id) state = inspectField(c, id, "State.Running") if state != "false" { c.Fatal("Container state is 'running'") } pid2 := inspectField(c, id, "State.Pid") if pid2 == pid1 { c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1) } dockerCmd(c, "start", id) state = inspectField(c, id, "State.Running") if state != "true" { c.Fatal("Container state is 'not running'") } pid3 := inspectField(c, id, "State.Pid") if pid3 == pid1 { c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1) } } // Test for #1737 func (s *DockerSuite) TestRunCopyVolumeUIDGID(c *testing.T) { // Not applicable on Windows as it does not support uid or gid in this way testRequires(c, DaemonIsLinux) name := "testrunvolumesuidgid" buildImageSuccessfully(c, name, build.WithDockerfile(`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`)) // Test that the uid and gid is copied from the image to the volume out, _ := dockerCmd(c, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'") out = strings.TrimSpace(out) if out != "dockerio:dockerio" { c.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out) } } // Test for #1582 func (s *DockerSuite) TestRunCopyVolumeContent(c *testing.T) { // TODO Windows, post RS1. Windows does not yet support volume functionality // that copies from the image to the volume. testRequires(c, DaemonIsLinux) name := "testruncopyvolumecontent" buildImageSuccessfully(c, name, build.WithDockerfile(`FROM busybox RUN mkdir -p /hello/local && echo hello > /hello/local/world`)) // Test that the content is copied from the image to the volume out, _ := dockerCmd(c, "run", "--rm", "-v", "/hello", name, "find", "/hello") if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) { c.Fatal("Container failed to transfer content to volume") } } func (s *DockerSuite) TestRunCleanupCmdOnEntrypoint(c *testing.T) { name := "testrunmdcleanuponentrypoint" buildImageSuccessfully(c, name, build.WithDockerfile(`FROM busybox ENTRYPOINT ["echo"] CMD ["testingpoint"]`)) out, exit := dockerCmd(c, "run", "--entrypoint", "whoami", name) if exit != 0 { c.Fatalf("expected exit code 0 received %d, out: %q", exit, out) } out = strings.TrimSpace(out) expected := "root" if testEnv.OSType == "windows" { if strings.Contains(testEnv.PlatformDefaults.BaseImage, "servercore") { expected = `user manager\containeradministrator` } else { expected = `ContainerAdministrator` // nanoserver } } if out != expected { c.Fatalf("Expected output %s, got %q. %s", expected, out, testEnv.PlatformDefaults.BaseImage) } } // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected func (s *DockerSuite) TestRunWorkdirExistsAndIsFile(c *testing.T) { existingFile := "/bin/cat" expected := "not a directory" if testEnv.OSType == "windows" { existingFile = `\windows\system32\ntdll.dll` expected = `The directory name is invalid.` } out, exitCode, err := dockerCmdWithError("run", "-w", existingFile, "busybox") if !(err != nil && exitCode == 125 && strings.Contains(out, expected)) { c.Fatalf("Existing binary as a directory should error out with exitCode 125; we got: %s, exitCode: %d", out, exitCode) } } func (s *DockerSuite) TestRunExitOnStdinClose(c *testing.T) { name := "testrunexitonstdinclose" meow := "/bin/cat" delay := 60 if testEnv.OSType == "windows" { meow = "cat" } runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", meow) stdin, err := runCmd.StdinPipe() if err != nil { c.Fatal(err) } stdout, err := runCmd.StdoutPipe() if err != nil { c.Fatal(err) } if err := runCmd.Start(); err != nil { c.Fatal(err) } if _, err := stdin.Write([]byte("hello\n")); err != nil { c.Fatal(err) } r := bufio.NewReader(stdout) line, err := r.ReadString('\n') if err != nil { c.Fatal(err) } line = strings.TrimSpace(line) if line != "hello" { c.Fatalf("Output should be 'hello', got '%q'", line) } if err := stdin.Close(); err != nil { c.Fatal(err) } finish := make(chan error, 1) go func() { finish <- runCmd.Wait() close(finish) }() select { case err := <-finish: assert.NilError(c, err) case <-time.After(time.Duration(delay) * time.Second): c.Fatal("docker run failed to exit on stdin close") } state := inspectField(c, name, "State.Running") if state != "false" { c.Fatal("Container must be stopped after stdin closing") } } // Test run -i --restart xxx doesn't hang func (s *DockerSuite) TestRunInteractiveWithRestartPolicy(c *testing.T) { name := "test-inter-restart" result := icmd.RunCmd(icmd.Cmd{ Command: []string{dockerBinary, "run", "-i", "--name", name, "--restart=always", "busybox", "sh"}, Stdin: bytes.NewBufferString("exit 11"), }) defer func() { cli.Docker(cli.Args("stop", name)).Assert(c, icmd.Success) }() result.Assert(c, icmd.Expected{ExitCode: 11}) } // Test for #2267 func (s *DockerSuite) TestRunWriteSpecialFilesAndNotCommit(c *testing.T) { // Cannot run on Windows as this files are not present in Windows testRequires(c, DaemonIsLinux) testRunWriteSpecialFilesAndNotCommit(c, "writehosts", "/etc/hosts") testRunWriteSpecialFilesAndNotCommit(c, "writehostname", "/etc/hostname") testRunWriteSpecialFilesAndNotCommit(c, "writeresolv", "/etc/resolv.conf") } func testRunWriteSpecialFilesAndNotCommit(c *testing.T, name, path string) { command := fmt.Sprintf("echo test2267 >> %s && cat %s", path, path) out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", command) if !strings.Contains(out, "test2267") { c.Fatalf("%s should contain 'test2267'", path) } out, _ = dockerCmd(c, "diff", name) if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) { c.Fatal("diff should be empty") } } func eqToBaseDiff(out string, c *testing.T) bool { name := "eqToBaseDiff" + testutil.GenerateRandomAlphaOnlyString(32) dockerCmd(c, "run", "--name", name, "busybox", "echo", "hello") cID := getIDByName(c, name) baseDiff, _ := dockerCmd(c, "diff", cID) baseArr := strings.Split(baseDiff, "\n") sort.Strings(baseArr) outArr := strings.Split(out, "\n") sort.Strings(outArr) return sliceEq(baseArr, outArr) } 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 } func (s *DockerSuite) TestRunWithBadDevice(c *testing.T) { // Cannot run on Windows as Windows does not support --device testRequires(c, DaemonIsLinux) name := "baddevice" out, _, err := dockerCmdWithError("run", "--name", name, "--device", "/etc", "busybox", "true") if err == nil { c.Fatal("Run should fail with bad device") } expected := `"/etc": not a device node` if !strings.Contains(out, expected) { c.Fatalf("Output should contain %q, actual out: %q", expected, out) } } func (s *DockerSuite) TestRunEntrypoint(c *testing.T) { name := "entrypoint" out, _ := dockerCmd(c, "run", "--name", name, "--entrypoint", "echo", "busybox", "-n", "foobar") expected := "foobar" if out != expected { c.Fatalf("Output should be %q, actual out: %q", expected, out) } } func (s *DockerSuite) TestRunBindMounts(c *testing.T) { testRequires(c, testEnv.IsLocalDaemon) if testEnv.OSType == "linux" { testRequires(c, DaemonIsLinux, NotUserNamespace) } prefix, _ := getPrefixAndSlashFromDaemonPlatform() tmpDir, err := os.MkdirTemp("", "docker-test-container") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) writeFile(path.Join(tmpDir, "touch-me"), "", c) // Test reading from a read-only bind mount out, _ := dockerCmd(c, "run", "-v", fmt.Sprintf("%s:%s/tmpx:ro", tmpDir, prefix), "busybox", "ls", prefix+"/tmpx") if !strings.Contains(out, "touch-me") { c.Fatal("Container failed to read from bind mount") } // test writing to bind mount if testEnv.OSType == "windows" { dockerCmd(c, "run", "-v", fmt.Sprintf(`%s:c:\tmp:rw`, tmpDir), "busybox", "touch", "c:/tmp/holla") } else { dockerCmd(c, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla") } readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist // test mounting to an illegal destination directory _, _, err = dockerCmdWithError("run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".") if err == nil { c.Fatal("Container bind mounted illegal directory") } // Windows does not (and likely never will) support mounting a single file if testEnv.OSType != "windows" { // test mount a file dockerCmd(c, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla") content := readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist expected := "yotta" if content != expected { c.Fatalf("Output should be %q, actual out: %q", expected, content) } } } // Ensure that CIDFile gets deleted if it's empty // Perform this test by making `docker run` fail func (s *DockerSuite) TestRunCidFileCleanupIfEmpty(c *testing.T) { // Skip on Windows. Base image on Windows has a CMD set in the image. testRequires(c, DaemonIsLinux) tmpDir, err := os.MkdirTemp("", "TestRunCidFile") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) tmpCidFile := path.Join(tmpDir, "cid") image := "emptyfs" if testEnv.OSType == "windows" { // Windows can't support an emptyfs image. Just use the regular Windows image image = testEnv.PlatformDefaults.BaseImage } out, _, err := dockerCmdWithError("run", "--cidfile", tmpCidFile, image) if err == nil { c.Fatalf("Run without command must fail. out=%s", out) } else if !strings.Contains(out, "No command specified") { c.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err) } if _, err := os.Stat(tmpCidFile); err == nil { c.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile) } } // #2098 - Docker cidFiles only contain short version of the containerId // sudo docker run --cidfile /tmp/docker_tesc.cid ubuntu echo "test" // TestRunCidFile tests that run --cidfile returns the longid func (s *DockerSuite) TestRunCidFileCheckIDLength(c *testing.T) { tmpDir, err := os.MkdirTemp("", "TestRunCidFile") if err != nil { c.Fatal(err) } tmpCidFile := path.Join(tmpDir, "cid") defer os.RemoveAll(tmpDir) out, _ := dockerCmd(c, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true") id := strings.TrimSpace(out) buffer, err := os.ReadFile(tmpCidFile) if err != nil { c.Fatal(err) } cid := string(buffer) if len(cid) != 64 { c.Fatalf("--cidfile should be a long id, not %q", id) } if cid != id { c.Fatalf("cid must be equal to %s, got %s", id, cid) } } func (s *DockerSuite) TestRunSetMacAddress(c *testing.T) { skip.If(c, RuntimeIsWindowsContainerd(), "FIXME: Broken on Windows + containerd combination") mac := "12:34:56:78:9a:bc" var out string if testEnv.OSType == "windows" { out, _ = dockerCmd(c, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "sh", "-c", "ipconfig /all | grep 'Physical Address' | awk '{print $12}'") mac = strings.Replace(strings.ToUpper(mac), ":", "-", -1) // To Windows-style MACs } else { out, _ = dockerCmd(c, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'") } actualMac := strings.TrimSpace(out) if actualMac != mac { c.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac) } } func (s *DockerSuite) TestRunInspectMacAddress(c *testing.T) { // TODO Windows. Network settings are not propagated back to inspect. testRequires(c, DaemonIsLinux) mac := "12:34:56:78:9a:bc" out, _ := dockerCmd(c, "run", "-d", "--mac-address="+mac, "busybox", "top") id := strings.TrimSpace(out) inspectedMac := inspectField(c, id, "NetworkSettings.Networks.bridge.MacAddress") if inspectedMac != mac { c.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac) } } // test docker run use an invalid mac address func (s *DockerSuite) TestRunWithInvalidMacAddress(c *testing.T) { out, _, err := dockerCmdWithError("run", "--mac-address", "92:d0:c6:0a:29", "busybox") // use an invalid mac address should with an error out if err == nil || !strings.Contains(out, "is not a valid mac address") { c.Fatalf("run with an invalid --mac-address should with error out") } } func (s *DockerSuite) TestRunDeallocatePortOnMissingIptablesRule(c *testing.T) { // TODO Windows. Network settings are not propagated back to inspect. testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) out := cli.DockerCmd(c, "run", "-d", "-p", "23:23", "busybox", "top").Combined() id := strings.TrimSpace(out) ip := inspectField(c, id, "NetworkSettings.Networks.bridge.IPAddress") icmd.RunCommand("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip), "!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT").Assert(c, icmd.Success) cli.DockerCmd(c, "rm", "-fv", id) cli.DockerCmd(c, "run", "-d", "-p", "23:23", "busybox", "top") } func (s *DockerSuite) TestRunPortInUse(c *testing.T) { // TODO Windows. The duplicate NAT message returned by Windows will be // changing as is currently completely undecipherable. Does need modifying // to run sh rather than top though as top isn't in Windows busybox. testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) port := "1234" dockerCmd(c, "run", "-d", "-p", port+":80", "busybox", "top") out, _, err := dockerCmdWithError("run", "-d", "-p", port+":80", "busybox", "top") if err == nil { c.Fatalf("Binding on used port must fail") } if !strings.Contains(out, "port is already allocated") { c.Fatalf("Out must be about \"port is already allocated\", got %s", out) } } // https://github.com/docker/docker/issues/12148 func (s *DockerSuite) TestRunAllocatePortInReservedRange(c *testing.T) { // TODO Windows. -P is not yet supported testRequires(c, DaemonIsLinux) // allocate a dynamic port to get the most recent out, _ := dockerCmd(c, "run", "-d", "-P", "-p", "80", "busybox", "top") id := strings.TrimSpace(out) out, _ = dockerCmd(c, "inspect", "--format", `{{index .NetworkSettings.Ports "80/tcp" 0 "HostPort" }}`, id) out = strings.TrimSpace(out) port, err := strconv.ParseInt(out, 10, 64) if err != nil { c.Fatalf("invalid port, got: %s, error: %s", out, err) } // allocate a static port and a dynamic port together, with static port // takes the next recent port in dynamic port range. dockerCmd(c, "run", "-d", "-P", "-p", "80", "-p", fmt.Sprintf("%d:8080", port+1), "busybox", "top") } // Regression test for #7792 func (s *DockerSuite) TestRunMountOrdering(c *testing.T) { // TODO Windows: Post RS1. Windows does not support nested mounts. testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) prefix, _ := getPrefixAndSlashFromDaemonPlatform() tmpDir, err := os.MkdirTemp("", "docker_nested_mount_test") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) tmpDir2, err := os.MkdirTemp("", "docker_nested_mount_test2") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir2) // Create a temporary tmpfs mounc. fooDir := filepath.Join(tmpDir, "foo") if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil { c.Fatalf("failed to mkdir at %s - %s", fooDir, err) } if err := os.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil { c.Fatal(err) } if err := os.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil { c.Fatal(err) } if err := os.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil { c.Fatal(err) } dockerCmd(c, "run", "-v", fmt.Sprintf("%s:"+prefix+"/tmp", tmpDir), "-v", fmt.Sprintf("%s:"+prefix+"/tmp/foo", fooDir), "-v", fmt.Sprintf("%s:"+prefix+"/tmp/tmp2", tmpDir2), "-v", fmt.Sprintf("%s:"+prefix+"/tmp/tmp2/foo", fooDir), "busybox:latest", "sh", "-c", "ls "+prefix+"/tmp/touch-me && ls "+prefix+"/tmp/foo/touch-me && ls "+prefix+"/tmp/tmp2/touch-me && ls "+prefix+"/tmp/tmp2/foo/touch-me") } // Regression test for https://github.com/docker/docker/issues/8259 func (s *DockerSuite) TestRunReuseBindVolumeThatIsSymlink(c *testing.T) { // Not applicable on Windows as Windows does not support volumes testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) prefix, _ := getPrefixAndSlashFromDaemonPlatform() tmpDir, err := os.MkdirTemp(os.TempDir(), "testlink") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) linkPath := os.TempDir() + "/testlink2" if err := os.Symlink(tmpDir, linkPath); err != nil { c.Fatal(err) } defer os.RemoveAll(linkPath) // Create first container dockerCmd(c, "run", "-v", fmt.Sprintf("%s:"+prefix+"/tmp/test", linkPath), "busybox", "ls", prefix+"/tmp/test") // Create second container with same symlinked path // This will fail if the referenced issue is hit with a "Volume exists" error dockerCmd(c, "run", "-v", fmt.Sprintf("%s:"+prefix+"/tmp/test", linkPath), "busybox", "ls", prefix+"/tmp/test") } // GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container func (s *DockerSuite) TestRunCreateVolumeEtc(c *testing.T) { // While Windows supports volumes, it does not support --add-host hence // this test is not applicable on Windows. testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf") if !strings.Contains(out, "nameserver 127.0.0.1") { c.Fatal("/etc volume mount hides /etc/resolv.conf") } out, _ = dockerCmd(c, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname") if !strings.Contains(out, "test123") { c.Fatal("/etc volume mount hides /etc/hostname") } out, _ = dockerCmd(c, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts") out = strings.Replace(out, "\n", " ", -1) if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") { c.Fatal("/etc volume mount hides /etc/hosts") } } func (s *DockerSuite) TestVolumesNoCopyData(c *testing.T) { // TODO Windows (Post RS1). Windows does not support volumes which // are pre-populated such as is built in the dockerfile used in this test. testRequires(c, DaemonIsLinux) prefix, slash := getPrefixAndSlashFromDaemonPlatform() buildImageSuccessfully(c, "dataimage", build.WithDockerfile(`FROM busybox RUN ["mkdir", "-p", "/foo"] RUN ["touch", "/foo/bar"]`)) dockerCmd(c, "run", "--name", "test", "-v", prefix+slash+"foo", "busybox") if out, _, err := dockerCmdWithError("run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar"); err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out) } tmpDir := RandomTmpDirPath("docker_test_bind_mount_copy_data", testEnv.OSType) if out, _, err := dockerCmdWithError("run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar"); err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("Data was copied on bind mount but shouldn't be:\n%q", out) } } func (s *DockerSuite) TestRunNoOutputFromPullInStdout(c *testing.T) { // just run with unknown image cmd := exec.Command(dockerBinary, "run", "asdfsg") stdout := bytes.NewBuffer(nil) cmd.Stdout = stdout if err := cmd.Run(); err == nil { c.Fatal("Run with unknown image should fail") } if stdout.Len() != 0 { c.Fatalf("Stdout contains output from pull: %s", stdout) } } func (s *DockerSuite) TestRunVolumesCleanPaths(c *testing.T) { testRequires(c, testEnv.IsLocalDaemon) prefix, slash := getPrefixAndSlashFromDaemonPlatform() buildImageSuccessfully(c, "run_volumes_clean_paths", build.WithDockerfile(`FROM busybox VOLUME `+prefix+`/foo/`)) dockerCmd(c, "run", "-v", prefix+"/foo", "-v", prefix+"/bar/", "--name", "dark_helmet", "run_volumes_clean_paths") out, err := inspectMountSourceField("dark_helmet", prefix+slash+"foo"+slash) if err != errMountNotFound { c.Fatalf("Found unexpected volume entry for '%s/foo/' in volumes\n%q", prefix, out) } out, err = inspectMountSourceField("dark_helmet", prefix+slash+`foo`) assert.NilError(c, err) if !strings.Contains(strings.ToLower(out), strings.ToLower(testEnv.PlatformDefaults.VolumesConfigPath)) { c.Fatalf("Volume was not defined for %s/foo\n%q", prefix, out) } out, err = inspectMountSourceField("dark_helmet", prefix+slash+"bar"+slash) if err != errMountNotFound { c.Fatalf("Found unexpected volume entry for '%s/bar/' in volumes\n%q", prefix, out) } out, err = inspectMountSourceField("dark_helmet", prefix+slash+"bar") assert.NilError(c, err) if !strings.Contains(strings.ToLower(out), strings.ToLower(testEnv.PlatformDefaults.VolumesConfigPath)) { c.Fatalf("Volume was not defined for %s/bar\n%q", prefix, out) } } // Regression test for #3631 func (s *DockerSuite) TestRunSlowStdoutConsumer(c *testing.T) { // TODO Windows: This should be able to run on Windows if can find an // alternate to /dev/zero and /dev/stdout. testRequires(c, DaemonIsLinux) args := []string{"run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | cat -v"} cont := exec.Command(dockerBinary, args...) stdout, err := cont.StdoutPipe() if err != nil { c.Fatal(err) } if err := cont.Start(); err != nil { c.Fatal(err) } defer func() { go cont.Wait() }() n, err := ConsumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil) if err != nil { c.Fatal(err) } expected := 2 * 1024 * 2000 if n != expected { c.Fatalf("Expected %d, got %d", expected, n) } } func (s *DockerSuite) TestRunAllowPortRangeThroughExpose(c *testing.T) { // TODO Windows: -P is not currently supported. Also network // settings are not propagated back. testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top") id := strings.TrimSpace(out) portstr := inspectFieldJSON(c, id, "NetworkSettings.Ports") var ports nat.PortMap if err := json.Unmarshal([]byte(portstr), &ports); err != nil { c.Fatal(err) } for port, binding := range ports { portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0]) if portnum < 3000 || portnum > 3003 { c.Fatalf("Port %d is out of range ", portnum) } if len(binding) == 0 || len(binding[0].HostPort) == 0 { c.Fatalf("Port is not mapped for the port %s", port) } } } func (s *DockerSuite) TestRunExposePort(c *testing.T) { out, _, err := dockerCmdWithError("run", "--expose", "80000", "busybox") assert.Assert(c, err != nil, "--expose with an invalid port should error out") assert.Assert(c, strings.Contains(out, "invalid range format for --expose")) } func (s *DockerSuite) TestRunModeIpcHost(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) hostIpc, err := os.Readlink("/proc/1/ns/ipc") if err != nil { c.Fatal(err) } out, _ := dockerCmd(c, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc") out = strings.Trim(out, "\n") if hostIpc != out { c.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out) } out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/ipc") out = strings.Trim(out, "\n") if hostIpc == out { c.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out) } } func (s *DockerSuite) TestRunModeIpcContainerNotExists(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "-d", "--ipc", "container:abcd1234", "busybox", "top") if !strings.Contains(out, "abcd1234") || err == nil { c.Fatalf("run IPC from a non exists container should with correct error out") } } func (s *DockerSuite) TestRunModeIpcContainerNotRunning(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) out, _ := dockerCmd(c, "create", "busybox") id := strings.TrimSpace(out) out, _, err := dockerCmdWithError("run", fmt.Sprintf("--ipc=container:%s", id), "busybox") if err == nil { c.Fatalf("Run container with ipc mode container should fail with non running container: %s\n%s", out, err) } } func (s *DockerSuite) TestRunModePIDContainer(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "top") id := strings.TrimSpace(out) state := inspectField(c, id, "State.Running") if state != "true" { c.Fatal("Container state is 'not running'") } pid1 := inspectField(c, id, "State.Pid") parentContainerPid, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/pid", pid1)) if err != nil { c.Fatal(err) } out, _ = dockerCmd(c, "run", fmt.Sprintf("--pid=container:%s", id), "busybox", "readlink", "/proc/self/ns/pid") out = strings.Trim(out, "\n") if parentContainerPid != out { c.Fatalf("PID different with --pid=container:%s %s != %s\n", id, parentContainerPid, out) } } func (s *DockerSuite) TestRunModePIDContainerNotExists(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "-d", "--pid", "container:abcd1234", "busybox", "top") if !strings.Contains(out, "abcd1234") || err == nil { c.Fatalf("run PID from a non exists container should with correct error out") } } func (s *DockerSuite) TestRunModePIDContainerNotRunning(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) out, _ := dockerCmd(c, "create", "busybox") id := strings.TrimSpace(out) out, _, err := dockerCmdWithError("run", fmt.Sprintf("--pid=container:%s", id), "busybox") if err == nil { c.Fatalf("Run container with pid mode container should fail with non running container: %s\n%s", out, err) } } func (s *DockerSuite) TestRunMountShmMqueueFromHost(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) dockerCmd(c, "run", "-d", "--name", "shmfromhost", "-v", "/dev/shm:/dev/shm", "-v", "/dev/mqueue:/dev/mqueue", "busybox", "sh", "-c", "echo -n test > /dev/shm/test && touch /dev/mqueue/toto && top") defer os.Remove("/dev/mqueue/toto") defer os.Remove("/dev/shm/test") volPath, err := inspectMountSourceField("shmfromhost", "/dev/shm") assert.NilError(c, err) if volPath != "/dev/shm" { c.Fatalf("volumePath should have been /dev/shm, was %s", volPath) } out, _ := dockerCmd(c, "run", "--name", "ipchost", "--ipc", "host", "busybox", "cat", "/dev/shm/test") if out != "test" { c.Fatalf("Output of /dev/shm/test expected test but found: %s", out) } // Check that the mq was created if _, err := os.Stat("/dev/mqueue/toto"); err != nil { c.Fatalf("Failed to confirm '/dev/mqueue/toto' presence on host: %s", err.Error()) } } func (s *DockerSuite) TestContainerNetworkMode(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "busybox", "top") id := strings.TrimSpace(out) assert.NilError(c, waitRun(id)) pid1 := inspectField(c, id, "State.Pid") parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1)) if err != nil { c.Fatal(err) } out, _ = dockerCmd(c, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net") out = strings.Trim(out, "\n") if parentContainerNet != out { c.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out) } } func (s *DockerSuite) TestRunModeUTSHost(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) hostUTS, err := os.Readlink("/proc/1/ns/uts") if err != nil { c.Fatal(err) } out, _ := dockerCmd(c, "run", "--uts=host", "busybox", "readlink", "/proc/self/ns/uts") out = strings.Trim(out, "\n") if hostUTS != out { c.Fatalf("UTS different with --uts=host %s != %s\n", hostUTS, out) } out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/uts") out = strings.Trim(out, "\n") if hostUTS == out { c.Fatalf("UTS should be different without --uts=host %s == %s\n", hostUTS, out) } out, _ = dockerCmdWithFail(c, "run", "-h=name", "--uts=host", "busybox", "ps") assert.Assert(c, strings.Contains(out, runconfig.ErrConflictUTSHostname.Error())) } func (s *DockerSuite) TestRunTLSVerify(c *testing.T) { // Remote daemons use TLS and this test is not applicable when TLS is required. testRequires(c, testEnv.IsLocalDaemon) if out, code, err := dockerCmdWithError("ps"); err != nil || code != 0 { c.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 result := dockerCmdWithResult("--tlsverify=false", "ps") result.Assert(c, icmd.Expected{ExitCode: 1, Err: "error during connect"}) result = dockerCmdWithResult("--tlsverify=true", "ps") result.Assert(c, icmd.Expected{ExitCode: 1, Err: "cert"}) } func (s *DockerSuite) TestRunPortFromDockerRangeInUse(c *testing.T) { // TODO Windows. Once moved to libnetwork/CNM, this may be able to be // re-instated. testRequires(c, DaemonIsLinux) // first find allocator current position out, _ := dockerCmd(c, "run", "-d", "-p", ":80", "busybox", "top") id := strings.TrimSpace(out) out, _ = dockerCmd(c, "inspect", "--format", `{{index .NetworkSettings.Ports "80/tcp" 0 "HostPort" }}`, id) out = strings.TrimSpace(out) if out == "" { c.Fatal("docker port command output is empty") } lastPort, err := strconv.Atoi(out) if err != nil { c.Fatal(err) } port := lastPort + 1 l, err := net.Listen("tcp", ":"+strconv.Itoa(port)) if err != nil { c.Fatal(err) } defer l.Close() out, _ = dockerCmd(c, "run", "-d", "-p", ":80", "busybox", "top") id = strings.TrimSpace(out) dockerCmd(c, "port", id) } func (s *DockerSuite) TestRunTTYWithPipe(c *testing.T) { errChan := make(chan error, 1) go func() { defer close(errChan) cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true") if _, err := cmd.StdinPipe(); err != nil { errChan <- err return } expected := "the input device is not a TTY" if runtime.GOOS == "windows" { expected += ". If you are using mintty, try prefixing the command with 'winpty'" } if out, _, err := runCommandWithOutput(cmd); err == nil { errChan <- fmt.Errorf("run should have failed") return } else if !strings.Contains(out, expected) { errChan <- fmt.Errorf("run failed with error %q: expected %q", out, expected) return } }() select { case err := <-errChan: assert.NilError(c, err) case <-time.After(30 * time.Second): c.Fatal("container is running but should have failed") } } func (s *DockerSuite) TestRunNonLocalMacAddress(c *testing.T) { addr := "00:16:3E:08:00:50" args := []string{"run", "--mac-address", addr} expected := addr if testEnv.OSType != "windows" { args = append(args, "busybox", "ifconfig") } else { args = append(args, testEnv.PlatformDefaults.BaseImage, "ipconfig", "/all") expected = strings.Replace(strings.ToUpper(addr), ":", "-", -1) } if out, _ := dockerCmd(c, args...); !strings.Contains(out, expected) { c.Fatalf("Output should have contained %q: %s", expected, out) } } func (s *DockerSuite) TestRunNetHost(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) hostNet, err := os.Readlink("/proc/1/ns/net") if err != nil { c.Fatal(err) } out, _ := dockerCmd(c, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net") out = strings.Trim(out, "\n") if hostNet != out { c.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out) } out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/net") out = strings.Trim(out, "\n") if hostNet == out { c.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out) } } func (s *DockerSuite) TestRunNetHostTwiceSameName(c *testing.T) { // TODO Windows. As Windows networking evolves and converges towards // CNM, this test may be possible to enable on Windows. testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) dockerCmd(c, "run", "--rm", "--name=thost", "--net=host", "busybox", "true") dockerCmd(c, "run", "--rm", "--name=thost", "--net=host", "busybox", "true") } func (s *DockerSuite) TestRunNetContainerWhichHost(c *testing.T) { // Not applicable on Windows as uses Unix-specific capabilities testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) hostNet, err := os.Readlink("/proc/1/ns/net") if err != nil { c.Fatal(err) } dockerCmd(c, "run", "-d", "--net=host", "--name=test", "busybox", "top") out, _ := dockerCmd(c, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net") out = strings.Trim(out, "\n") if hostNet != out { c.Fatalf("Container should have host network namespace") } } func (s *DockerSuite) TestRunAllowPortRangeThroughPublish(c *testing.T) { // TODO Windows. This may be possible to enable in the future. However, // Windows does not currently support --expose, or populate the network // settings seen through inspect. testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top") id := strings.TrimSpace(out) portstr := inspectFieldJSON(c, id, "NetworkSettings.Ports") var ports nat.PortMap err := json.Unmarshal([]byte(portstr), &ports) assert.NilError(c, err, "failed to unmarshal: %v", portstr) for port, binding := range ports { portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0]) if portnum < 3000 || portnum > 3003 { c.Fatalf("Port %d is out of range ", portnum) } if len(binding) == 0 || len(binding[0].HostPort) == 0 { c.Fatal("Port is not mapped for the port "+port, out) } } } func (s *DockerSuite) TestRunSetDefaultRestartPolicy(c *testing.T) { runSleepingContainer(c, "--name=testrunsetdefaultrestartpolicy") out := inspectField(c, "testrunsetdefaultrestartpolicy", "HostConfig.RestartPolicy.Name") if out != "no" { c.Fatalf("Set default restart policy failed") } } func (s *DockerSuite) TestRunRestartMaxRetries(c *testing.T) { out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false") timeout := 10 * time.Second if testEnv.OSType == "windows" { timeout = 120 * time.Second } id := strings.TrimSpace(out) if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", timeout); err != nil { c.Fatal(err) } count := inspectField(c, id, "RestartCount") if count != "3" { c.Fatalf("Container was restarted %s times, expected %d", count, 3) } MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount") if MaximumRetryCount != "3" { c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3") } } func (s *DockerSuite) TestRunContainerWithWritableRootfs(c *testing.T) { dockerCmd(c, "run", "--rm", "busybox", "touch", "/file") } func (s *DockerSuite) TestRunContainerWithReadonlyRootfs(c *testing.T) { // Not applicable on Windows which does not support --read-only testRequires(c, DaemonIsLinux, UserNamespaceROMount) testPriv := true // don't test privileged mode subtest if user namespaces enabled if root := os.Getenv("DOCKER_REMAP_ROOT"); root != "" { testPriv = false } testReadOnlyFile(c, testPriv, "/file", "/etc/hosts", "/etc/resolv.conf", "/etc/hostname") } func (s *DockerSuite) TestPermissionsPtsReadonlyRootfs(c *testing.T) { // Not applicable on Windows due to use of Unix specific functionality, plus // the use of --read-only which is not supported. testRequires(c, DaemonIsLinux, UserNamespaceROMount) // Ensure we have not broken writing /dev/pts out, status := dockerCmd(c, "run", "--read-only", "--rm", "busybox", "mount") if status != 0 { c.Fatal("Could not obtain mounts when checking /dev/pts mntpnt.") } expected := "type devpts (rw," if !strings.Contains(out, expected) { c.Fatalf("expected output to contain %s but contains %s", expected, out) } } func testReadOnlyFile(c *testing.T, testPriv bool, filenames ...string) { touch := "touch " + strings.Join(filenames, " ") out, _, err := dockerCmdWithError("run", "--read-only", "--rm", "busybox", "sh", "-c", touch) assert.ErrorContains(c, err, "") for _, f := range filenames { expected := "touch: " + f + ": Read-only file system" assert.Assert(c, strings.Contains(out, expected)) } if !testPriv { return } out, _, err = dockerCmdWithError("run", "--read-only", "--privileged", "--rm", "busybox", "sh", "-c", touch) assert.ErrorContains(c, err, "") for _, f := range filenames { expected := "touch: " + f + ": Read-only file system" assert.Assert(c, strings.Contains(out, expected)) } } func (s *DockerSuite) TestRunContainerWithReadonlyEtcHostsAndLinkedContainer(c *testing.T) { // Not applicable on Windows which does not support --link testRequires(c, DaemonIsLinux, UserNamespaceROMount) dockerCmd(c, "run", "-d", "--name", "test-etc-hosts-ro-linked", "busybox", "top") out, _ := dockerCmd(c, "run", "--read-only", "--link", "test-etc-hosts-ro-linked:testlinked", "busybox", "cat", "/etc/hosts") if !strings.Contains(out, "testlinked") { c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled") } } func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithDNSFlag(c *testing.T) { // Not applicable on Windows which does not support either --read-only or --dns. testRequires(c, DaemonIsLinux, UserNamespaceROMount) out, _ := dockerCmd(c, "run", "--read-only", "--dns", "1.1.1.1", "busybox", "/bin/cat", "/etc/resolv.conf") if !strings.Contains(out, "1.1.1.1") { c.Fatal("Expected /etc/resolv.conf to be updated even if --read-only enabled and --dns flag used") } } func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithAddHostFlag(c *testing.T) { // Not applicable on Windows which does not support --read-only testRequires(c, DaemonIsLinux, UserNamespaceROMount) out, _ := dockerCmd(c, "run", "--read-only", "--add-host", "testreadonly:127.0.0.1", "busybox", "/bin/cat", "/etc/hosts") if !strings.Contains(out, "testreadonly") { c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled and --add-host flag used") } } func (s *DockerSuite) TestRunVolumesFromRestartAfterRemoved(c *testing.T) { prefix, _ := getPrefixAndSlashFromDaemonPlatform() runSleepingContainer(c, "--name=voltest", "-v", prefix+"/foo") runSleepingContainer(c, "--name=restarter", "--volumes-from", "voltest") // Remove the main volume container and restart the consuming container dockerCmd(c, "rm", "-f", "voltest") // This should not fail since the volumes-from were already applied dockerCmd(c, "restart", "restarter") } // run container with --rm should remove container if exit code != 0 func (s *DockerSuite) TestRunContainerWithRmFlagExitCodeNotEqualToZero(c *testing.T) { existingContainers := ExistingContainerIDs(c) name := "flowers" cli.Docker(cli.Args("run", "--name", name, "--rm", "busybox", "ls", "/notexists")).Assert(c, icmd.Expected{ ExitCode: 1, }) out := cli.DockerCmd(c, "ps", "-q", "-a").Combined() out = RemoveOutputForExistingElements(out, existingContainers) if out != "" { c.Fatal("Expected not to have containers", out) } } func (s *DockerSuite) TestRunContainerWithRmFlagCannotStartContainer(c *testing.T) { existingContainers := ExistingContainerIDs(c) name := "sparkles" cli.Docker(cli.Args("run", "--name", name, "--rm", "busybox", "commandNotFound")).Assert(c, icmd.Expected{ ExitCode: 127, }) out := cli.DockerCmd(c, "ps", "-q", "-a").Combined() out = RemoveOutputForExistingElements(out, existingContainers) if out != "" { c.Fatal("Expected not to have containers", out) } } func (s *DockerSuite) TestRunPIDHostWithChildIsKillable(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux, NotUserNamespace) name := "ibuildthecloud" dockerCmd(c, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi") assert.Assert(c, waitRun(name) == nil) errchan := make(chan error, 1) go func() { if out, _, err := dockerCmdWithError("kill", name); err != nil { errchan <- fmt.Errorf("%v:\n%s", err, out) } close(errchan) }() select { case err := <-errchan: assert.NilError(c, err) case <-time.After(5 * time.Second): c.Fatal("Kill container timed out") } } func (s *DockerSuite) TestRunWithTooSmallMemoryLimit(c *testing.T) { // TODO Windows. This may be possible to enable once Windows supports memory limits on containers testRequires(c, DaemonIsLinux) // this memory limit is 1 byte less than the min (daemon.linuxMinMemory), which is 6MB (6291456 bytes) out, _, err := dockerCmdWithError("create", "-m", "6291455", "busybox") if err == nil || !strings.Contains(out, "Minimum memory limit allowed is 6MB") { c.Fatalf("expected run to fail when using too low a memory limit: %q", out) } } func (s *DockerSuite) TestRunWriteToProcAsound(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) _, code, err := dockerCmdWithError("run", "busybox", "sh", "-c", "echo 111 >> /proc/asound/version") if err == nil || code == 0 { c.Fatal("standard container should not be able to write to /proc/asound") } } func (s *DockerSuite) TestRunReadProcTimer(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) out, code, err := dockerCmdWithError("run", "busybox", "cat", "/proc/timer_stats") if code != 0 { return } if err != nil { c.Fatal(err) } if strings.Trim(out, "\n ") != "" { c.Fatalf("expected to receive no output from /proc/timer_stats but received %q", out) } } func (s *DockerSuite) TestRunReadProcLatency(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) // some kernels don't have this configured so skip the test if this file is not found // on the host running the tests. if _, err := os.Stat("/proc/latency_stats"); err != nil { c.Skip("kernel doesn't have latency_stats configured") return } out, code, err := dockerCmdWithError("run", "busybox", "cat", "/proc/latency_stats") if code != 0 { return } if err != nil { c.Fatal(err) } if strings.Trim(out, "\n ") != "" { c.Fatalf("expected to receive no output from /proc/latency_stats but received %q", out) } } func (s *DockerSuite) TestRunReadFilteredProc(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, Apparmor, DaemonIsLinux, NotUserNamespace) testReadPaths := []string{ "/proc/latency_stats", "/proc/timer_stats", "/proc/kcore", } for i, filePath := range testReadPaths { name := fmt.Sprintf("procsieve-%d", i) shellCmd := fmt.Sprintf("exec 3<%s", filePath) out, exitCode, err := dockerCmdWithError("run", "--privileged", "--security-opt", "apparmor=docker-default", "--name", name, "busybox", "sh", "-c", shellCmd) if exitCode != 0 { return } if err != nil { c.Fatalf("Open FD for read should have failed with permission denied, got: %s, %v", out, err) } } } func (s *DockerSuite) TestMountIntoProc(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) _, code, err := dockerCmdWithError("run", "-v", "/proc//sys", "busybox", "true") if err == nil || code == 0 { c.Fatal("container should not be able to mount into /proc") } } func (s *DockerSuite) TestMountIntoSys(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) testRequires(c, NotUserNamespace) dockerCmd(c, "run", "-v", "/sys/fs/cgroup", "busybox", "true") } func (s *DockerSuite) TestRunUnshareProc(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, Apparmor, DaemonIsLinux, NotUserNamespace) // In this test goroutines are used to run test cases in parallel to prevent the test from taking a long time to run. errChan := make(chan error) go func() { name := "acidburn" out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:bullseye-slim", "unshare", "-p", "-m", "-f", "-r", "--mount-proc=/proc", "mount") if err == nil || !(strings.Contains(strings.ToLower(out), "permission denied") || strings.Contains(strings.ToLower(out), "operation not permitted")) { errChan <- fmt.Errorf("unshare with --mount-proc should have failed with 'permission denied' or 'operation not permitted', got: %s, %v", out, err) } else { errChan <- nil } }() go func() { name := "cereal" out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:bullseye-slim", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc") if err == nil || !(strings.Contains(strings.ToLower(out), "mount: cannot mount none") || strings.Contains(strings.ToLower(out), "permission denied") || strings.Contains(strings.ToLower(out), "operation not permitted")) { errChan <- fmt.Errorf("unshare and mount of /proc should have failed with 'mount: cannot mount none' or 'permission denied', got: %s, %v", out, err) } else { errChan <- nil } }() /* Ensure still fails if running privileged with the default policy */ go func() { name := "crashoverride" out, _, err := dockerCmdWithError("run", "--privileged", "--security-opt", "seccomp=unconfined", "--security-opt", "apparmor=docker-default", "--name", name, "debian:bullseye-slim", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc") if err == nil || !(strings.Contains(strings.ToLower(out), "mount: cannot mount none") || strings.Contains(strings.ToLower(out), "permission denied") || strings.Contains(strings.ToLower(out), "operation not permitted")) { errChan <- fmt.Errorf("privileged unshare with apparmor should have failed with 'mount: cannot mount none' or 'permission denied', got: %s, %v", out, err) } else { errChan <- nil } }() var retErr error for i := 0; i < 3; i++ { err := <-errChan if retErr == nil && err != nil { retErr = err } } if retErr != nil { c.Fatal(retErr) } } func (s *DockerSuite) TestRunPublishPort(c *testing.T) { // TODO Windows: This may be possible once Windows moves to libnetwork and CNM testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-d", "--name", "test", "--expose", "8080", "busybox", "top") out, _ := dockerCmd(c, "port", "test") out = strings.Trim(out, "\r\n") if out != "" { c.Fatalf("run without --publish-all should not publish port, out should be nil, but got: %s", out) } } // Issue #10184. func (s *DockerSuite) TestDevicePermissions(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) const permissions = "crw-rw-rw-" out, status := dockerCmd(c, "run", "--device", "/dev/fuse:/dev/fuse:mrw", "busybox:latest", "ls", "-l", "/dev/fuse") if status != 0 { c.Fatalf("expected status 0, got %d", status) } if !strings.HasPrefix(out, permissions) { c.Fatalf("output should begin with %q, got %q", permissions, out) } } func (s *DockerSuite) TestRunCapAddCHOWN(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=CHOWN", "busybox", "sh", "-c", "adduser -D -H newuser && chown newuser /home && echo ok") if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } // https://github.com/docker/docker/pull/14498 func (s *DockerSuite) TestVolumeFromMixedRWOptions(c *testing.T) { prefix, slash := getPrefixAndSlashFromDaemonPlatform() dockerCmd(c, "run", "--name", "parent", "-v", prefix+"/test", "busybox", "true") dockerCmd(c, "run", "--volumes-from", "parent:ro", "--name", "test-volumes-1", "busybox", "true") dockerCmd(c, "run", "--volumes-from", "parent:rw", "--name", "test-volumes-2", "busybox", "true") if testEnv.OSType != "windows" { mRO, err := inspectMountPoint("test-volumes-1", prefix+slash+"test") assert.NilError(c, err, "failed to inspect mount point") if mRO.RW { c.Fatalf("Expected RO volume was RW") } } mRW, err := inspectMountPoint("test-volumes-2", prefix+slash+"test") assert.NilError(c, err, "failed to inspect mount point") if !mRW.RW { c.Fatalf("Expected RW volume was RO") } } func (s *DockerSuite) TestRunWriteFilteredProc(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, Apparmor, DaemonIsLinux, NotUserNamespace) testWritePaths := []string{ /* modprobe and core_pattern should both be denied by generic * policy of denials for /proc/sys/kernel. These files have been * picked to be checked as they are particularly sensitive to writes */ "/proc/sys/kernel/modprobe", "/proc/sys/kernel/core_pattern", "/proc/sysrq-trigger", "/proc/kcore", } for i, filePath := range testWritePaths { name := fmt.Sprintf("writeprocsieve-%d", i) shellCmd := fmt.Sprintf("exec 3>%s", filePath) out, code, err := dockerCmdWithError("run", "--privileged", "--security-opt", "apparmor=docker-default", "--name", name, "busybox", "sh", "-c", shellCmd) if code != 0 { return } if err != nil { c.Fatalf("Open FD for write should have failed with permission denied, got: %s, %v", out, err) } } } func (s *DockerSuite) TestRunNetworkFilesBindMount(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) expected := "test123" filename := createTmpFile(c, expected) defer os.Remove(filename) // for user namespaced test runs, the temp file must be accessible to unprivileged root if err := os.Chmod(filename, 0646); err != nil { c.Fatalf("error modifying permissions of %s: %v", filename, err) } nwfiles := []string{"/etc/resolv.conf", "/etc/hosts", "/etc/hostname"} for i := range nwfiles { actual, _ := dockerCmd(c, "run", "-v", filename+":"+nwfiles[i], "busybox", "cat", nwfiles[i]) if actual != expected { c.Fatalf("expected %s be: %q, but was: %q", nwfiles[i], expected, actual) } } } func (s *DockerSuite) TestRunNetworkFilesBindMountRO(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux) filename := createTmpFile(c, "test123") defer os.Remove(filename) // for user namespaced test runs, the temp file must be accessible to unprivileged root if err := os.Chmod(filename, 0646); err != nil { c.Fatalf("error modifying permissions of %s: %v", filename, err) } nwfiles := []string{"/etc/resolv.conf", "/etc/hosts", "/etc/hostname"} for i := range nwfiles { _, exitCode, err := dockerCmdWithError("run", "-v", filename+":"+nwfiles[i]+":ro", "busybox", "touch", nwfiles[i]) if err == nil || exitCode == 0 { c.Fatalf("run should fail because bind mount of %s is ro: exit code %d", nwfiles[i], exitCode) } } } func (s *DockerSuite) TestRunNetworkFilesBindMountROFilesystem(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, UserNamespaceROMount) filename := createTmpFile(c, "test123") defer os.Remove(filename) // for user namespaced test runs, the temp file must be accessible to unprivileged root if err := os.Chmod(filename, 0646); err != nil { c.Fatalf("error modifying permissions of %s: %v", filename, err) } nwfiles := []string{"/etc/resolv.conf", "/etc/hosts", "/etc/hostname"} for i := range nwfiles { _, exitCode := dockerCmd(c, "run", "-v", filename+":"+nwfiles[i], "--read-only", "busybox", "touch", nwfiles[i]) if exitCode != 0 { c.Fatalf("run should not fail because %s is mounted writable on read-only root filesystem: exit code %d", nwfiles[i], exitCode) } } for i := range nwfiles { _, exitCode, err := dockerCmdWithError("run", "-v", filename+":"+nwfiles[i]+":ro", "--read-only", "busybox", "touch", nwfiles[i]) if err == nil || exitCode == 0 { c.Fatalf("run should fail because %s is mounted read-only on read-only root filesystem: exit code %d", nwfiles[i], exitCode) } } } func (s *DockerSuite) TestPtraceContainerProcsFromHost(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) out, _ := dockerCmd(c, "run", "-d", "busybox", "top") id := strings.TrimSpace(out) assert.NilError(c, waitRun(id)) pid1 := inspectField(c, id, "State.Pid") _, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1)) if err != nil { c.Fatal(err) } } func (s *DockerSuite) TestAppArmorDeniesPtrace(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, Apparmor, DaemonIsLinux) // Run through 'sh' so we are NOT pid 1. Pid 1 may be able to trace // itself, but pid>1 should not be able to trace pid1. _, exitCode, _ := dockerCmdWithError("run", "busybox", "sh", "-c", "sh -c readlink /proc/1/ns/net") if exitCode == 0 { c.Fatal("ptrace was not successfully restricted by AppArmor") } } func (s *DockerSuite) TestAppArmorTraceSelf(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon, Apparmor) _, exitCode, _ := dockerCmdWithError("run", "busybox", "readlink", "/proc/1/ns/net") if exitCode != 0 { c.Fatal("ptrace of self failed.") } } func (s *DockerSuite) TestAppArmorDeniesChmodProc(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, testEnv.IsLocalDaemon, Apparmor, DaemonIsLinux, NotUserNamespace) _, exitCode, _ := dockerCmdWithError("run", "busybox", "chmod", "744", "/proc/cpuinfo") if exitCode == 0 { // If our test failed, attempt to repair the host system... _, exitCode, _ := dockerCmdWithError("run", "busybox", "chmod", "444", "/proc/cpuinfo") if exitCode == 0 { c.Fatal("AppArmor was unsuccessful in prohibiting chmod of /proc/* files.") } } } func (s *DockerSuite) TestRunCapAddSYSTIME(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=SYS_TIME", "busybox", "sh", "-c", "grep ^CapEff /proc/self/status | sed 's/^CapEff:\t//' | grep ^0000000002000000$") } // run create container failed should clean up the container func (s *DockerSuite) TestRunCreateContainerFailedCleanUp(c *testing.T) { // TODO Windows. This may be possible to enable once link is supported testRequires(c, DaemonIsLinux) name := "unique_name" _, _, err := dockerCmdWithError("run", "--name", name, "--link", "nothing:nothing", "busybox") assert.Assert(c, err != nil, "Expected docker run to fail!") containerID, err := inspectFieldWithError(name, "Id") assert.Assert(c, err != nil, "Expected not to have this container: %s!", containerID) assert.Equal(c, containerID, "", fmt.Sprintf("Expected not to have this container: %s!", containerID)) } func (s *DockerSuite) TestRunNamedVolume(c *testing.T) { prefix, _ := getPrefixAndSlashFromDaemonPlatform() testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "--name=test", "-v", "testing:"+prefix+"/foo", "busybox", "sh", "-c", "echo hello > "+prefix+"/foo/bar") out, _ := dockerCmd(c, "run", "--volumes-from", "test", "busybox", "sh", "-c", "cat "+prefix+"/foo/bar") assert.Equal(c, strings.TrimSpace(out), "hello") out, _ = dockerCmd(c, "run", "-v", "testing:"+prefix+"/foo", "busybox", "sh", "-c", "cat "+prefix+"/foo/bar") assert.Equal(c, strings.TrimSpace(out), "hello") } func (s *DockerSuite) TestRunWithUlimits(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--name=testulimits", "--ulimit", "nofile=42", "busybox", "/bin/sh", "-c", "ulimit -n") ul := strings.TrimSpace(out) if ul != "42" { c.Fatalf("expected `ulimit -n` to be 42, got %s", ul) } } func (s *DockerSuite) TestRunContainerWithCgroupParent(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) // cgroup-parent relative path testRunContainerWithCgroupParent(c, "test", "cgroup-test") // cgroup-parent absolute path testRunContainerWithCgroupParent(c, "/cgroup-parent/test", "cgroup-test-absolute") } func testRunContainerWithCgroupParent(c *testing.T, cgroupParent, name string) { out, _, err := dockerCmdWithError("run", "--cgroup-parent", cgroupParent, "--name", name, "busybox", "cat", "/proc/self/cgroup") if err != nil { c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", out, err) } cgroupPaths := ParseCgroupPaths(out) if len(cgroupPaths) == 0 { c.Fatalf("unexpected output - %q", out) } id := getIDByName(c, name) expectedCgroup := path.Join(cgroupParent, id) found := false for _, path := range cgroupPaths { if strings.HasSuffix(path, expectedCgroup) { found = true break } } if !found { c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have suffix %q. Cgroup Paths: %v", expectedCgroup, cgroupPaths) } } // TestRunInvalidCgroupParent checks that a specially-crafted cgroup parent doesn't cause Docker to crash or start modifying /. func (s *DockerSuite) TestRunInvalidCgroupParent(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality testRequires(c, DaemonIsLinux) testRunInvalidCgroupParent(c, "../../../../../../../../SHOULD_NOT_EXIST", "SHOULD_NOT_EXIST", "cgroup-invalid-test") testRunInvalidCgroupParent(c, "/../../../../../../../../SHOULD_NOT_EXIST", "/SHOULD_NOT_EXIST", "cgroup-absolute-invalid-test") } func testRunInvalidCgroupParent(c *testing.T, cgroupParent, cleanCgroupParent, name string) { out, _, err := dockerCmdWithError("run", "--cgroup-parent", cgroupParent, "--name", name, "busybox", "cat", "/proc/self/cgroup") if err != nil { // XXX: This may include a daemon crash. c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", out, err) } // We expect "/SHOULD_NOT_EXIST" to not exist. If not, we have a security issue. if _, err := os.Stat("/SHOULD_NOT_EXIST"); err == nil || !os.IsNotExist(err) { c.Fatalf("SECURITY: --cgroup-parent with ../../ relative paths cause files to be created in the host (this is bad) !!") } cgroupPaths := ParseCgroupPaths(out) if len(cgroupPaths) == 0 { c.Fatalf("unexpected output - %q", out) } id := getIDByName(c, name) expectedCgroup := path.Join(cleanCgroupParent, id) found := false for _, path := range cgroupPaths { if strings.HasSuffix(path, expectedCgroup) { found = true break } } if !found { c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have suffix %q. Cgroup Paths: %v", expectedCgroup, cgroupPaths) } } func (s *DockerSuite) TestRunContainerWithCgroupMountRO(c *testing.T) { // Not applicable on Windows as uses Unix specific functionality // --read-only + userns has remount issues testRequires(c, DaemonIsLinux, NotUserNamespace) filename := "/sys/fs/cgroup/devices/test123" out, _, err := dockerCmdWithError("run", "busybox", "touch", filename) if err == nil { c.Fatal("expected cgroup mount point to be read-only, touch file should fail") } expected := "Read-only file system" if !strings.Contains(out, expected) { c.Fatalf("expected output from failure to contain %s but contains %s", expected, out) } } func (s *DockerSuite) TestRunContainerNetworkModeToSelf(c *testing.T) { // Not applicable on Windows which does not support --net=container testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "--name=me", "--net=container:me", "busybox", "true") if err == nil || !strings.Contains(out, "cannot join own network") { c.Fatalf("using container net mode to self should result in an error\nerr: %q\nout: %s", err, out) } } func (s *DockerSuite) TestRunContainerNetModeWithDNSMacHosts(c *testing.T) { // Not applicable on Windows which does not support --net=container testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "-d", "--name", "parent", "busybox", "top") if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } out, _, err = dockerCmdWithError("run", "--dns", "1.2.3.4", "--net=container:parent", "busybox") if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkAndDNS.Error()) { c.Fatalf("run --net=container with --dns should error out") } out, _, err = dockerCmdWithError("run", "--mac-address", "92:d0:c6:0a:29:33", "--net=container:parent", "busybox") if err == nil || !strings.Contains(out, runconfig.ErrConflictContainerNetworkAndMac.Error()) { c.Fatalf("run --net=container with --mac-address should error out") } out, _, err = dockerCmdWithError("run", "--add-host", "test:192.168.2.109", "--net=container:parent", "busybox") if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkHosts.Error()) { c.Fatalf("run --net=container with --add-host should error out") } } func (s *DockerSuite) TestRunContainerNetModeWithExposePort(c *testing.T) { // Not applicable on Windows which does not support --net=container testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-d", "--name", "parent", "busybox", "top") out, _, err := dockerCmdWithError("run", "-p", "5000:5000", "--net=container:parent", "busybox") if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkPublishPorts.Error()) { c.Fatalf("run --net=container with -p should error out") } out, _, err = dockerCmdWithError("run", "-P", "--net=container:parent", "busybox") if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkPublishPorts.Error()) { c.Fatalf("run --net=container with -P should error out") } out, _, err = dockerCmdWithError("run", "--expose", "5000", "--net=container:parent", "busybox") if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkExposePorts.Error()) { c.Fatalf("run --net=container with --expose should error out") } } func (s *DockerSuite) TestRunLinkToContainerNetMode(c *testing.T) { // Not applicable on Windows which does not support --net=container or --link testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "--name", "test", "-d", "busybox", "top") dockerCmd(c, "run", "--name", "parent", "-d", "--net=container:test", "busybox", "top") dockerCmd(c, "run", "-d", "--link=parent:parent", "busybox", "top") dockerCmd(c, "run", "--name", "child", "-d", "--net=container:parent", "busybox", "top") dockerCmd(c, "run", "-d", "--link=child:child", "busybox", "top") } func (s *DockerSuite) TestRunLoopbackOnlyExistsWhenNetworkingDisabled(c *testing.T) { // TODO Windows: This may be possible to convert. testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up") var ( count = 0 parts = strings.Split(out, "\n") ) for _, l := range parts { if l != "" { count++ } } if count != 1 { c.Fatalf("Wrong interface count in container %d", count) } if !strings.HasPrefix(out, "1: lo") { c.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out) } } // Issue #4681 func (s *DockerSuite) TestRunLoopbackWhenNetworkDisabled(c *testing.T) { if testEnv.OSType == "windows" { dockerCmd(c, "run", "--net=none", testEnv.PlatformDefaults.BaseImage, "ping", "-n", "1", "127.0.0.1") } else { dockerCmd(c, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1") } } func (s *DockerSuite) TestRunModeNetContainerHostname(c *testing.T) { // Windows does not support --net=container testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-i", "-d", "--name", "parent", "busybox", "top") out, _ := dockerCmd(c, "exec", "parent", "cat", "/etc/hostname") out1, _ := dockerCmd(c, "run", "--net=container:parent", "busybox", "cat", "/etc/hostname") if out1 != out { c.Fatal("containers with shared net namespace should have same hostname") } } func (s *DockerSuite) TestRunNetworkNotInitializedNoneMode(c *testing.T) { // TODO Windows: Network settings are not currently propagated. This may // be resolved in the future with the move to libnetwork and CNM. testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "--net=none", "busybox", "top") id := strings.TrimSpace(out) res := inspectField(c, id, "NetworkSettings.Networks.none.IPAddress") if res != "" { c.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res) } } func (s *DockerSuite) TestTwoContainersInNetHost(c *testing.T) { // Not applicable as Windows does not support --net=host testRequires(c, DaemonIsLinux, NotUserNamespace, NotUserNamespace) dockerCmd(c, "run", "-d", "--net=host", "--name=first", "busybox", "top") dockerCmd(c, "run", "-d", "--net=host", "--name=second", "busybox", "top") dockerCmd(c, "stop", "first") dockerCmd(c, "stop", "second") } func (s *DockerSuite) TestContainersInUserDefinedNetwork(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork") dockerCmd(c, "run", "-d", "--net=testnetwork", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) dockerCmd(c, "run", "-t", "--net=testnetwork", "--name=second", "busybox", "ping", "-c", "1", "first") } func (s *DockerSuite) TestContainersInMultipleNetworks(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) // Create 2 networks using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork2") // Run and connect containers to testnetwork1 dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top") assert.Assert(c, waitRun("second") == nil) // Check connectivity between containers in testnetwork2 dockerCmd(c, "exec", "first", "ping", "-c", "1", "second.testnetwork1") // Connect containers to testnetwork2 dockerCmd(c, "network", "connect", "testnetwork2", "first") dockerCmd(c, "network", "connect", "testnetwork2", "second") // Check connectivity between containers dockerCmd(c, "exec", "second", "ping", "-c", "1", "first.testnetwork2") } func (s *DockerSuite) TestContainersNetworkIsolation(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) // Create 2 networks using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork2") // Run 1 container in testnetwork1 and another in testnetwork2 dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) dockerCmd(c, "run", "-d", "--net=testnetwork2", "--name=second", "busybox", "top") assert.Assert(c, waitRun("second") == nil) // Check Isolation between containers : ping must fail _, _, err := dockerCmdWithError("exec", "first", "ping", "-c", "1", "second") assert.ErrorContains(c, err, "") // Connect first container to testnetwork2 dockerCmd(c, "network", "connect", "testnetwork2", "first") // ping must succeed now _, _, err = dockerCmdWithError("exec", "first", "ping", "-c", "1", "second") assert.NilError(c, err) // Disconnect first container from testnetwork2 dockerCmd(c, "network", "disconnect", "testnetwork2", "first") // ping must fail again _, _, err = dockerCmdWithError("exec", "first", "ping", "-c", "1", "second") assert.ErrorContains(c, err, "") } func (s *DockerSuite) TestNetworkRmWithActiveContainers(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace) // Create 2 networks using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") // Run and connect containers to testnetwork1 dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top") assert.Assert(c, waitRun("second") == nil) // Network delete with active containers must fail _, _, err := dockerCmdWithError("network", "rm", "testnetwork1") assert.ErrorContains(c, err, "") dockerCmd(c, "stop", "first") _, _, err = dockerCmdWithError("network", "rm", "testnetwork1") assert.ErrorContains(c, err, "") } func (s *DockerSuite) TestContainerRestartInMultipleNetworks(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) // Create 2 networks using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork2") // Run and connect containers to testnetwork1 dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top") assert.Assert(c, waitRun("second") == nil) // Check connectivity between containers in testnetwork2 dockerCmd(c, "exec", "first", "ping", "-c", "1", "second.testnetwork1") // Connect containers to testnetwork2 dockerCmd(c, "network", "connect", "testnetwork2", "first") dockerCmd(c, "network", "connect", "testnetwork2", "second") // Check connectivity between containers dockerCmd(c, "exec", "second", "ping", "-c", "1", "first.testnetwork2") // Stop second container and test ping failures on both networks dockerCmd(c, "stop", "second") _, _, err := dockerCmdWithError("exec", "first", "ping", "-c", "1", "second.testnetwork1") assert.ErrorContains(c, err, "") _, _, err = dockerCmdWithError("exec", "first", "ping", "-c", "1", "second.testnetwork2") assert.ErrorContains(c, err, "") // Start second container and connectivity must be restored on both networks dockerCmd(c, "start", "second") dockerCmd(c, "exec", "first", "ping", "-c", "1", "second.testnetwork1") dockerCmd(c, "exec", "second", "ping", "-c", "1", "first.testnetwork2") } func (s *DockerSuite) TestContainerWithConflictingHostNetworks(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace) // Run a container with --net=host dockerCmd(c, "run", "-d", "--net=host", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) // Create a network using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") // Connecting to the user defined network must fail _, _, err := dockerCmdWithError("network", "connect", "testnetwork1", "first") assert.ErrorContains(c, err, "") } func (s *DockerSuite) TestContainerWithConflictingSharedNetwork(c *testing.T) { testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-d", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) // Run second container in first container's network namespace dockerCmd(c, "run", "-d", "--net=container:first", "--name=second", "busybox", "top") assert.Assert(c, waitRun("second") == nil) // Create a network using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") // Connecting to the user defined network must fail out, _, err := dockerCmdWithError("network", "connect", "testnetwork1", "second") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, runconfig.ErrConflictSharedNetwork.Error())) } func (s *DockerSuite) TestContainerWithConflictingNoneNetwork(c *testing.T) { testRequires(c, DaemonIsLinux) dockerCmd(c, "run", "-d", "--net=none", "--name=first", "busybox", "top") assert.Assert(c, waitRun("first") == nil) // Create a network using bridge driver dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1") // Connecting to the user defined network must fail out, _, err := dockerCmdWithError("network", "connect", "testnetwork1", "first") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, runconfig.ErrConflictNoNetwork.Error())) // create a container connected to testnetwork1 dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top") assert.Assert(c, waitRun("second") == nil) // Connect second container to none network. it must fail as well _, _, err = dockerCmdWithError("network", "connect", "none", "second") assert.ErrorContains(c, err, "") } // #11957 - stdin with no tty does not exit if stdin is not closed even though container exited func (s *DockerSuite) TestRunStdinBlockedAfterContainerExit(c *testing.T) { cmd := exec.Command(dockerBinary, "run", "-i", "--name=test", "busybox", "true") in, err := cmd.StdinPipe() assert.NilError(c, err) defer in.Close() stdout := bytes.NewBuffer(nil) cmd.Stdout = stdout cmd.Stderr = stdout assert.Assert(c, cmd.Start() == nil) waitChan := make(chan error, 1) go func() { waitChan <- cmd.Wait() }() select { case err := <-waitChan: assert.Assert(c, err == nil, stdout.String()) case <-time.After(30 * time.Second): c.Fatal("timeout waiting for command to exit") } } func (s *DockerSuite) TestRunWrongCpusetCpusFlagValue(c *testing.T) { // TODO Windows: This needs validation (error out) in the daemon. testRequires(c, DaemonIsLinux) out, exitCode, err := dockerCmdWithError("run", "--cpuset-cpus", "1-10,11--", "busybox", "true") assert.ErrorContains(c, err, "") expected := "Error response from daemon: Invalid value 1-10,11-- for cpuset cpus.\n" if !(strings.Contains(out, expected) || exitCode == 125) { c.Fatalf("Expected output to contain %q with exitCode 125, got out: %q exitCode: %v", expected, out, exitCode) } } func (s *DockerSuite) TestRunWrongCpusetMemsFlagValue(c *testing.T) { // TODO Windows: This needs validation (error out) in the daemon. testRequires(c, DaemonIsLinux) out, exitCode, err := dockerCmdWithError("run", "--cpuset-mems", "1-42--", "busybox", "true") assert.ErrorContains(c, err, "") expected := "Error response from daemon: Invalid value 1-42-- for cpuset mems.\n" if !(strings.Contains(out, expected) || exitCode == 125) { c.Fatalf("Expected output to contain %q with exitCode 125, got out: %q exitCode: %v", expected, out, exitCode) } } // TestRunNonExecutableCmd checks that 'docker run busybox foo' exits with error code 127' func (s *DockerSuite) TestRunNonExecutableCmd(c *testing.T) { name := "testNonExecutableCmd" icmd.RunCommand(dockerBinary, "run", "--name", name, "busybox", "foo").Assert(c, icmd.Expected{ ExitCode: 127, Error: "exit status 127", }) } // TestRunNonExistingCmd checks that 'docker run busybox /bin/foo' exits with code 127. func (s *DockerSuite) TestRunNonExistingCmd(c *testing.T) { name := "testNonExistingCmd" icmd.RunCommand(dockerBinary, "run", "--name", name, "busybox", "/bin/foo").Assert(c, icmd.Expected{ ExitCode: 127, Error: "exit status 127", }) } // TestCmdCannotBeInvoked checks that 'docker run busybox /etc' exits with 126, or // 127 on Windows. The difference is that in Windows, the container must be started // as that's when the check is made (and yes, by its design...) func (s *DockerSuite) TestCmdCannotBeInvoked(c *testing.T) { expected := 126 if testEnv.OSType == "windows" { expected = 127 } name := "testCmdCannotBeInvoked" icmd.RunCommand(dockerBinary, "run", "--name", name, "busybox", "/etc").Assert(c, icmd.Expected{ ExitCode: expected, Error: fmt.Sprintf("exit status %d", expected), }) } // TestRunNonExistingImage checks that 'docker run foo' exits with error msg 125 and contains 'Unable to find image' // FIXME(vdemeester) should be a unit test func (s *DockerSuite) TestRunNonExistingImage(c *testing.T) { icmd.RunCommand(dockerBinary, "run", "foo").Assert(c, icmd.Expected{ ExitCode: 125, Err: "Unable to find image", }) } // TestDockerFails checks that 'docker run -foo busybox' exits with 125 to signal docker run failed // FIXME(vdemeester) should be a unit test func (s *DockerSuite) TestDockerFails(c *testing.T) { icmd.RunCommand(dockerBinary, "run", "-foo", "busybox").Assert(c, icmd.Expected{ ExitCode: 125, Error: "exit status 125", }) } // TestRunInvalidReference invokes docker run with a bad reference. func (s *DockerSuite) TestRunInvalidReference(c *testing.T) { out, exit, _ := dockerCmdWithError("run", "busybox@foo") if exit == 0 { c.Fatalf("expected non-zero exist code; received %d", exit) } if !strings.Contains(out, "invalid reference format") { c.Fatalf(`Expected "invalid reference format" in output; got: %s`, out) } } // Test fix for issue #17854 func (s *DockerSuite) TestRunInitLayerPathOwnership(c *testing.T) { // Not applicable on Windows as it does not support Linux uid/gid ownership testRequires(c, DaemonIsLinux) name := "testetcfileownership" buildImageSuccessfully(c, name, build.WithDockerfile(`FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN chown dockerio:dockerio /etc`)) // Test that dockerio ownership of /etc is retained at runtime out, _ := dockerCmd(c, "run", "--rm", name, "stat", "-c", "%U:%G", "/etc") out = strings.TrimSpace(out) if out != "dockerio:dockerio" { c.Fatalf("Wrong /etc ownership: expected dockerio:dockerio, got %q", out) } } func (s *DockerSuite) TestRunWithOomScoreAdj(c *testing.T) { testRequires(c, DaemonIsLinux) expected := "642" out, _ := dockerCmd(c, "run", "--oom-score-adj", expected, "busybox", "cat", "/proc/self/oom_score_adj") oomScoreAdj := strings.TrimSpace(out) if oomScoreAdj != "642" { c.Fatalf("Expected oom_score_adj set to %q, got %q instead", expected, oomScoreAdj) } } func (s *DockerSuite) TestRunWithOomScoreAdjInvalidRange(c *testing.T) { testRequires(c, DaemonIsLinux) out, _, err := dockerCmdWithError("run", "--oom-score-adj", "1001", "busybox", "true") assert.ErrorContains(c, err, "") expected := "Invalid value 1001, range for oom score adj is [-1000, 1000]." if !strings.Contains(out, expected) { c.Fatalf("Expected output to contain %q, got %q instead", expected, out) } out, _, err = dockerCmdWithError("run", "--oom-score-adj", "-1001", "busybox", "true") assert.ErrorContains(c, err, "") expected = "Invalid value -1001, range for oom score adj is [-1000, 1000]." if !strings.Contains(out, expected) { c.Fatalf("Expected output to contain %q, got %q instead", expected, out) } } func (s *DockerSuite) TestRunNamedVolumesMountedAsShared(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace) out, exitCode, _ := dockerCmdWithError("run", "-v", "foo:/test:shared", "busybox", "touch", "/test/somefile") assert.Assert(c, exitCode != 0) assert.Assert(c, strings.Contains(out, "invalid mount config")) } func (s *DockerSuite) TestRunNamedVolumeCopyImageData(c *testing.T) { testRequires(c, DaemonIsLinux) testImg := "testvolumecopy" buildImageSuccessfully(c, testImg, build.WithDockerfile(` FROM busybox RUN mkdir -p /foo && echo hello > /foo/hello `)) dockerCmd(c, "run", "-v", "foo:/foo", testImg) out, _ := dockerCmd(c, "run", "-v", "foo:/foo", "busybox", "cat", "/foo/hello") assert.Equal(c, strings.TrimSpace(out), "hello") } func (s *DockerSuite) TestRunNamedVolumeNotRemoved(c *testing.T) { prefix, _ := getPrefixAndSlashFromDaemonPlatform() dockerCmd(c, "volume", "create", "test") dockerCmd(c, "run", "--rm", "-v", "test:"+prefix+"/foo", "-v", prefix+"/bar", "busybox", "true") dockerCmd(c, "volume", "inspect", "test") out, _ := dockerCmd(c, "volume", "ls", "-q") assert.Assert(c, strings.Contains(out, "test")) dockerCmd(c, "run", "--name=test", "-v", "test:"+prefix+"/foo", "-v", prefix+"/bar", "busybox", "true") dockerCmd(c, "rm", "-fv", "test") dockerCmd(c, "volume", "inspect", "test") out, _ = dockerCmd(c, "volume", "ls", "-q") assert.Assert(c, strings.Contains(out, "test")) } func (s *DockerSuite) TestRunNamedVolumesFromNotRemoved(c *testing.T) { prefix, _ := getPrefixAndSlashFromDaemonPlatform() dockerCmd(c, "volume", "create", "test") cid, _ := dockerCmd(c, "run", "-d", "--name=parent", "-v", "test:"+prefix+"/foo", "-v", prefix+"/bar", "busybox", "true") dockerCmd(c, "run", "--name=child", "--volumes-from=parent", "busybox", "true") cli, err := client.NewClientWithOpts(client.FromEnv) assert.NilError(c, err) defer cli.Close() container, err := cli.ContainerInspect(context.Background(), strings.TrimSpace(cid)) assert.NilError(c, err) var vname string for _, v := range container.Mounts { if v.Name != "test" { vname = v.Name } } assert.Assert(c, vname != "") // Remove the parent so there are not other references to the volumes dockerCmd(c, "rm", "-f", "parent") // now remove the child and ensure the named volume (and only the named volume) still exists dockerCmd(c, "rm", "-fv", "child") dockerCmd(c, "volume", "inspect", "test") out, _ := dockerCmd(c, "volume", "ls", "-q") assert.Assert(c, strings.Contains(out, "test")) assert.Assert(c, !strings.Contains(strings.TrimSpace(out), vname)) } func (s *DockerSuite) TestRunAttachFailedNoLeak(c *testing.T) { nroutines, err := getGoroutineNumber() assert.NilError(c, err) runSleepingContainer(c, "--name=test", "-p", "8000:8000") // Wait until container is fully up and running assert.Assert(c, waitRun("test") == nil) out, _, err := dockerCmdWithError("run", "--name=fail", "-p", "8000:8000", "busybox", "true") // We will need the following `inspect` to diagnose the issue if test fails (#21247) out1, err1 := dockerCmd(c, "inspect", "--format", "{{json .State}}", "test") out2, err2 := dockerCmd(c, "inspect", "--format", "{{json .State}}", "fail") assert.Assert(c, err != nil, "Command should have failed but succeeded with: %s\nContainer 'test' [%+v]: %s\nContainer 'fail' [%+v]: %s", out, err1, out1, err2, out2) // check for windows error as well // TODO Windows Post TP5. Fix the error message string outLowerCase := strings.ToLower(out) assert.Assert(c, strings.Contains(outLowerCase, "port is already allocated") || strings.Contains(outLowerCase, "were not connected because a duplicate name exists") || strings.Contains(outLowerCase, "the specified port already exists") || strings.Contains(outLowerCase, "hns failed with error : failed to create endpoint") || strings.Contains(outLowerCase, "hns failed with error : the object already exists"), fmt.Sprintf("Output: %s", out)) dockerCmd(c, "rm", "-f", "test") // NGoroutines is not updated right away, so we need to wait before failing assert.Assert(c, waitForGoroutines(nroutines) == nil) } // Test for one character directory name case (#20122) func (s *DockerSuite) TestRunVolumeWithOneCharacter(c *testing.T) { testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-v", "/tmp/q:/foo", "busybox", "sh", "-c", "find /foo") assert.Equal(c, strings.TrimSpace(out), "/foo") } func (s *DockerSuite) TestRunVolumeCopyFlag(c *testing.T) { testRequires(c, DaemonIsLinux) // Windows does not support copying data from image to the volume buildImageSuccessfully(c, "volumecopy", build.WithDockerfile(`FROM busybox RUN mkdir /foo && echo hello > /foo/bar CMD cat /foo/bar`)) dockerCmd(c, "volume", "create", "test") // test with the nocopy flag out, _, err := dockerCmdWithError("run", "-v", "test:/foo:nocopy", "volumecopy") assert.ErrorContains(c, err, "", out) // test default behavior which is to copy for non-binds out, _ = dockerCmd(c, "run", "-v", "test:/foo", "volumecopy") assert.Equal(c, strings.TrimSpace(out), "hello") // error out when the volume is already populated out, _, err = dockerCmdWithError("run", "-v", "test:/foo:copy", "volumecopy") assert.ErrorContains(c, err, "", out) // do not error out when copy isn't explicitly set even though it's already populated out, _ = dockerCmd(c, "run", "-v", "test:/foo", "volumecopy") assert.Equal(c, strings.TrimSpace(out), "hello") // do not allow copy modes on volumes-from dockerCmd(c, "run", "--name=test", "-v", "/foo", "busybox", "true") out, _, err = dockerCmdWithError("run", "--volumes-from=test:copy", "busybox", "true") assert.ErrorContains(c, err, "", out) out, _, err = dockerCmdWithError("run", "--volumes-from=test:nocopy", "busybox", "true") assert.ErrorContains(c, err, "", out) // do not allow copy modes on binds out, _, err = dockerCmdWithError("run", "-v", "/foo:/bar:copy", "busybox", "true") assert.ErrorContains(c, err, "", out) out, _, err = dockerCmdWithError("run", "-v", "/foo:/bar:nocopy", "busybox", "true") assert.ErrorContains(c, err, "", out) } // Test case for #21976 func (s *DockerSuite) TestRunDNSInHostMode(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace) expectedOutput := "nameserver 127.0.0.1" expectedWarning := "Localhost DNS setting" cli.DockerCmd(c, "run", "--dns=127.0.0.1", "--net=host", "busybox", "cat", "/etc/resolv.conf").Assert(c, icmd.Expected{ Out: expectedOutput, Err: expectedWarning, }) expectedOutput = "nameserver 1.2.3.4" cli.DockerCmd(c, "run", "--dns=1.2.3.4", "--net=host", "busybox", "cat", "/etc/resolv.conf").Assert(c, icmd.Expected{ Out: expectedOutput, }) expectedOutput = "search example.com" cli.DockerCmd(c, "run", "--dns-search=example.com", "--net=host", "busybox", "cat", "/etc/resolv.conf").Assert(c, icmd.Expected{ Out: expectedOutput, }) expectedOutput = "options timeout:3" cli.DockerCmd(c, "run", "--dns-opt=timeout:3", "--net=host", "busybox", "cat", "/etc/resolv.conf").Assert(c, icmd.Expected{ Out: expectedOutput, }) expectedOutput1 := "nameserver 1.2.3.4" expectedOutput2 := "search example.com" expectedOutput3 := "options timeout:3" out := cli.DockerCmd(c, "run", "--dns=1.2.3.4", "--dns-search=example.com", "--dns-opt=timeout:3", "--net=host", "busybox", "cat", "/etc/resolv.conf").Combined() assert.Assert(c, strings.Contains(out, expectedOutput1), "Expected '%s', but got %q", expectedOutput1, out) assert.Assert(c, strings.Contains(out, expectedOutput2), "Expected '%s', but got %q", expectedOutput2, out) assert.Assert(c, strings.Contains(out, expectedOutput3), "Expected '%s', but got %q", expectedOutput3, out) } // Test case for #21976 func (s *DockerSuite) TestRunAddHostInHostMode(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace) expectedOutput := "1.2.3.4\textra" out, _ := dockerCmd(c, "run", "--add-host=extra:1.2.3.4", "--net=host", "busybox", "cat", "/etc/hosts") assert.Assert(c, strings.Contains(out, expectedOutput), "Expected '%s', but got %q", expectedOutput, out) } func (s *DockerSuite) TestRunRmAndWait(c *testing.T) { dockerCmd(c, "run", "--name=test", "--rm", "-d", "busybox", "sh", "-c", "sleep 3;exit 2") out, code, err := dockerCmdWithError("wait", "test") assert.Assert(c, err == nil, "out: %s; exit code: %d", out, code) assert.Equal(c, out, "2\n", "exit code: %d", code) assert.Equal(c, code, 0) } // Test that auto-remove is performed by the daemon (API 1.25 and above) func (s *DockerSuite) TestRunRm(c *testing.T) { name := "miss-me-when-im-gone" cli.DockerCmd(c, "run", "--name="+name, "--rm", "busybox") cli.Docker(cli.Inspect(name), cli.Format(".name")).Assert(c, icmd.Expected{ ExitCode: 1, Err: "No such object: " + name, }) } // Test that auto-remove is performed by the client on API versions that do not support daemon-side api-remove (API < 1.25) func (s *DockerSuite) TestRunRmPre125Api(c *testing.T) { name := "miss-me-when-im-gone" envs := appendBaseEnv(os.Getenv("DOCKER_TLS_VERIFY") != "", "DOCKER_API_VERSION=1.24") cli.Docker(cli.Args("run", "--name="+name, "--rm", "busybox"), cli.WithEnvironmentVariables(envs...)).Assert(c, icmd.Success) cli.Docker(cli.Inspect(name), cli.Format(".name")).Assert(c, icmd.Expected{ ExitCode: 1, Err: "No such object: " + name, }) } // Test case for #23498 func (s *DockerSuite) TestRunUnsetEntrypoint(c *testing.T) { testRequires(c, DaemonIsLinux) name := "test-entrypoint" dockerfile := `FROM busybox ADD entrypoint.sh /entrypoint.sh RUN chmod 755 /entrypoint.sh ENTRYPOINT ["/entrypoint.sh"] CMD echo foobar` ctx := fakecontext.New(c, "", fakecontext.WithDockerfile(dockerfile), fakecontext.WithFiles(map[string]string{ "entrypoint.sh": `#!/bin/sh echo "I am an entrypoint" exec "$@"`, })) defer ctx.Close() cli.BuildCmd(c, name, build.WithExternalBuildContext(ctx)) out := cli.DockerCmd(c, "run", "--entrypoint=", "-t", name, "echo", "foo").Combined() assert.Equal(c, strings.TrimSpace(out), "foo") // CMD will be reset as well (the same as setting a custom entrypoint) cli.Docker(cli.Args("run", "--entrypoint=", "-t", name)).Assert(c, icmd.Expected{ ExitCode: 125, Err: "No command specified", }) } func (s *DockerDaemonSuite) TestRunWithUlimitAndDaemonDefault(c *testing.T) { s.d.StartWithBusybox(c, "--debug", "--default-ulimit=nofile=65535") name := "test-A" _, err := s.d.Cmd("run", "--name", name, "-d", "busybox", "top") assert.NilError(c, err) assert.NilError(c, s.d.WaitRun(name)) out, err := s.d.Cmd("inspect", "--format", "{{.HostConfig.Ulimits}}", name) assert.NilError(c, err) assert.Assert(c, strings.Contains(out, "[nofile=65535:65535]")) name = "test-B" _, err = s.d.Cmd("run", "--name", name, "--ulimit=nofile=42", "-d", "busybox", "top") assert.NilError(c, err) assert.NilError(c, s.d.WaitRun(name)) out, err = s.d.Cmd("inspect", "--format", "{{.HostConfig.Ulimits}}", name) assert.NilError(c, err) assert.Assert(c, strings.Contains(out, "[nofile=42:42]")) } func (s *DockerSuite) TestRunStoppedLoggingDriverNoLeak(c *testing.T) { nroutines, err := getGoroutineNumber() assert.NilError(c, err) out, _, err := dockerCmdWithError("run", "--name=fail", "--log-driver=splunk", "busybox", "true") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, "failed to initialize logging driver"), "error should be about logging driver, got output %s", out) // NGoroutines is not updated right away, so we need to wait before failing assert.Assert(c, waitForGoroutines(nroutines) == nil) } // Handles error conditions for --credentialspec. Validating E2E success cases // requires additional infrastructure (AD for example) on CI servers. func (s *DockerSuite) TestRunCredentialSpecFailures(c *testing.T) { testRequires(c, DaemonIsWindows) attempts := []struct{ value, expectedError string }{ {"rubbish", "invalid credential spec security option - value must be prefixed by 'file://', 'registry://', or 'raw://' followed by a non-empty value"}, {"rubbish://", "invalid credential spec security option - value must be prefixed by 'file://', 'registry://', or 'raw://' followed by a non-empty value"}, {"file://", "invalid credential spec security option - value must be prefixed by 'file://', 'registry://', or 'raw://' followed by a non-empty value"}, {"registry://", "invalid credential spec security option - value must be prefixed by 'file://', 'registry://', or 'raw://' followed by a non-empty value"}, {`file://c:\blah.txt`, "path cannot be absolute"}, {`file://doesnotexist.txt`, "The system cannot find the file specified"}, } for _, attempt := range attempts { _, _, err := dockerCmdWithError("run", "--security-opt=credentialspec="+attempt.value, "busybox", "true") assert.Assert(c, err != nil, "%s expected non-nil err", attempt.value) assert.Assert(c, strings.Contains(err.Error(), attempt.expectedError), "%s expected %s got %s", attempt.value, attempt.expectedError, err) } } // Windows specific test to validate credential specs with a well-formed spec. func (s *DockerSuite) TestRunCredentialSpecWellFormed(c *testing.T) { testRequires(c, DaemonIsWindows, testEnv.IsLocalDaemon) validCredSpecs := readFile(`fixtures\credentialspecs\valid.json`, c) writeFile(filepath.Join(testEnv.DaemonInfo.DockerRootDir, `credentialspecs\valid.json`), validCredSpecs, c) for _, value := range []string{"file://valid.json", "raw://" + validCredSpecs} { // `nltest /PARENTDOMAIN` simply reads the local config, and does not require having an AD // controller handy out, _ := dockerCmd(c, "run", "--rm", "--security-opt=credentialspec="+value, minimalBaseImage(), "nltest", "/PARENTDOMAIN") assert.Assert(c, strings.Contains(out, "hyperv.local.")) assert.Assert(c, strings.Contains(out, "The command completed successfully")) } } func (s *DockerSuite) TestRunDuplicateMount(c *testing.T) { testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) tmpFile, err := os.CreateTemp("", "touch-me") assert.NilError(c, err) defer tmpFile.Close() data := "touch-me-foo-bar\n" if _, err := tmpFile.Write([]byte(data)); err != nil { c.Fatal(err) } name := "test" out, _ := dockerCmd(c, "run", "--name", name, "-v", "/tmp:/tmp", "-v", "/tmp:/tmp", "busybox", "sh", "-c", "cat "+tmpFile.Name()+" && ls /") assert.Assert(c, !strings.Contains(out, "tmp:")) assert.Assert(c, strings.Contains(out, data)) out = inspectFieldJSON(c, name, "Config.Volumes") assert.Assert(c, strings.Contains(out, "null")) } func (s *DockerSuite) TestRunWindowsWithCPUCount(c *testing.T) { testRequires(c, DaemonIsWindows) out, _ := dockerCmd(c, "run", "--cpu-count=1", "--name", "test", "busybox", "echo", "testing") assert.Equal(c, strings.TrimSpace(out), "testing") out = inspectField(c, "test", "HostConfig.CPUCount") assert.Equal(c, out, "1") } func (s *DockerSuite) TestRunWindowsWithCPUShares(c *testing.T) { testRequires(c, DaemonIsWindows) out, _ := dockerCmd(c, "run", "--cpu-shares=1000", "--name", "test", "busybox", "echo", "testing") assert.Equal(c, strings.TrimSpace(out), "testing") out = inspectField(c, "test", "HostConfig.CPUShares") assert.Equal(c, out, "1000") } func (s *DockerSuite) TestRunWindowsWithCPUPercent(c *testing.T) { testRequires(c, DaemonIsWindows) out, _ := dockerCmd(c, "run", "--cpu-percent=80", "--name", "test", "busybox", "echo", "testing") assert.Equal(c, strings.TrimSpace(out), "testing") out = inspectField(c, "test", "HostConfig.CPUPercent") assert.Equal(c, out, "80") } func (s *DockerSuite) TestRunProcessIsolationWithCPUCountCPUSharesAndCPUPercent(c *testing.T) { testRequires(c, DaemonIsWindows, testEnv.DaemonInfo.Isolation.IsProcess) out, _ := dockerCmd(c, "run", "--cpu-count=1", "--cpu-shares=1000", "--cpu-percent=80", "--name", "test", "busybox", "echo", "testing") assert.Assert(c, strings.Contains(strings.TrimSpace(out), "WARNING: Conflicting options: CPU count takes priority over CPU shares on Windows Server Containers. CPU shares discarded")) assert.Assert(c, strings.Contains(strings.TrimSpace(out), "WARNING: Conflicting options: CPU count takes priority over CPU percent on Windows Server Containers. CPU percent discarded")) assert.Assert(c, strings.Contains(strings.TrimSpace(out), "testing")) out = inspectField(c, "test", "HostConfig.CPUCount") assert.Equal(c, out, "1") out = inspectField(c, "test", "HostConfig.CPUShares") assert.Equal(c, out, "0") out = inspectField(c, "test", "HostConfig.CPUPercent") assert.Equal(c, out, "0") } func (s *DockerSuite) TestRunHypervIsolationWithCPUCountCPUSharesAndCPUPercent(c *testing.T) { testRequires(c, DaemonIsWindows, testEnv.DaemonInfo.Isolation.IsHyperV) out, _ := dockerCmd(c, "run", "--cpu-count=1", "--cpu-shares=1000", "--cpu-percent=80", "--name", "test", "busybox", "echo", "testing") assert.Assert(c, strings.Contains(strings.TrimSpace(out), "testing")) out = inspectField(c, "test", "HostConfig.CPUCount") assert.Equal(c, out, "1") out = inspectField(c, "test", "HostConfig.CPUShares") assert.Equal(c, out, "1000") out = inspectField(c, "test", "HostConfig.CPUPercent") assert.Equal(c, out, "80") } // Test for #25099 func (s *DockerSuite) TestRunEmptyEnv(c *testing.T) { testRequires(c, DaemonIsLinux) expectedOutput := "invalid environment variable:" out, _, err := dockerCmdWithError("run", "-e", "", "busybox", "true") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, expectedOutput)) out, _, err = dockerCmdWithError("run", "-e", "=", "busybox", "true") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, expectedOutput)) out, _, err = dockerCmdWithError("run", "-e", "=foo", "busybox", "true") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, expectedOutput)) } // #28658 func (s *DockerSuite) TestSlowStdinClosing(c *testing.T) { const repeat = 3 // regression happened 50% of the time for i := 0; i < repeat; i++ { c.Run(strconv.Itoa(i), func(c *testing.T) { cmd := icmd.Cmd{ Command: []string{dockerBinary, "run", "--rm", "-i", "busybox", "cat"}, Stdin: &delayedReader{}, } done := make(chan error, 1) go func() { result := icmd.RunCmd(cmd) if out := result.Combined(); out != "" { c.Log(out) } done <- result.Error }() select { case <-time.After(30 * time.Second): c.Fatal("running container timed out") // cleanup in teardown case err := <-done: assert.NilError(c, err) } }) } } type delayedReader struct{} func (s *delayedReader) Read([]byte) (int, error) { time.Sleep(500 * time.Millisecond) return 0, io.EOF } // #28823 (originally #28639) func (s *DockerSuite) TestRunMountReadOnlyDevShm(c *testing.T) { testRequires(c, testEnv.IsLocalDaemon, DaemonIsLinux, NotUserNamespace) emptyDir, err := os.MkdirTemp("", "test-read-only-dev-shm") assert.NilError(c, err) defer os.RemoveAll(emptyDir) out, _, err := dockerCmdWithError("run", "--rm", "--read-only", "-v", fmt.Sprintf("%s:/dev/shm:ro", emptyDir), "busybox", "touch", "/dev/shm/foo") assert.ErrorContains(c, err, "", out) assert.Assert(c, strings.Contains(out, "Read-only file system")) } func (s *DockerSuite) TestRunMount(c *testing.T) { testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon, NotUserNamespace) // mnt1, mnt2, and testCatFooBar are commonly used in multiple test cases tmpDir, err := os.MkdirTemp("", "mount") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) mnt1, mnt2 := path.Join(tmpDir, "mnt1"), path.Join(tmpDir, "mnt2") if err := os.Mkdir(mnt1, 0755); err != nil { c.Fatal(err) } if err := os.Mkdir(mnt2, 0755); err != nil { c.Fatal(err) } if err := os.WriteFile(path.Join(mnt1, "test1"), []byte("test1"), 0644); err != nil { c.Fatal(err) } if err := os.WriteFile(path.Join(mnt2, "test2"), []byte("test2"), 0644); err != nil { c.Fatal(err) } testCatFooBar := func(cName string) error { out, _ := dockerCmd(c, "exec", cName, "cat", "/foo/test1") if out != "test1" { return fmt.Errorf("%s not mounted on /foo", mnt1) } out, _ = dockerCmd(c, "exec", cName, "cat", "/bar/test2") if out != "test2" { return fmt.Errorf("%s not mounted on /bar", mnt2) } return nil } type testCase struct { equivalents [][]string valid bool // fn should be nil if valid==false fn func(cName string) error } cases := []testCase{ { equivalents: [][]string{ { "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=bind,src=%s,dst=/bar", mnt2), }, { "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=bind,src=%s,target=/bar", mnt2), }, { "--volume", mnt1 + ":/foo", "--mount", fmt.Sprintf("type=bind,src=%s,target=/bar", mnt2), }, }, valid: true, fn: testCatFooBar, }, { equivalents: [][]string{ { "--mount", fmt.Sprintf("type=volume,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=volume,src=%s,dst=/bar", mnt2), }, { "--mount", fmt.Sprintf("type=volume,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=volume,src=%s,target=/bar", mnt2), }, }, valid: false, }, { equivalents: [][]string{ { "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=volume,src=%s,dst=/bar", mnt2), }, { "--volume", mnt1 + ":/foo", "--mount", fmt.Sprintf("type=volume,src=%s,target=/bar", mnt2), }, }, valid: false, fn: testCatFooBar, }, { equivalents: [][]string{ { "--read-only", "--mount", "type=volume,dst=/bar", }, }, valid: true, fn: func(cName string) error { _, _, err := dockerCmdWithError("exec", cName, "touch", "/bar/icanwritehere") return err }, }, { equivalents: [][]string{ { "--read-only", "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt1), "--mount", "type=volume,dst=/bar", }, { "--read-only", "--volume", fmt.Sprintf("%s:/foo", mnt1), "--mount", "type=volume,dst=/bar", }, }, valid: true, fn: func(cName string) error { out, _ := dockerCmd(c, "exec", cName, "cat", "/foo/test1") if out != "test1" { return fmt.Errorf("%s not mounted on /foo", mnt1) } _, _, err := dockerCmdWithError("exec", cName, "touch", "/bar/icanwritehere") return err }, }, { equivalents: [][]string{ { "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt2), }, { "--mount", fmt.Sprintf("type=bind,src=%s,dst=/foo", mnt1), "--mount", fmt.Sprintf("type=bind,src=%s,target=/foo", mnt2), }, { "--volume", fmt.Sprintf("%s:/foo", mnt1), "--mount", fmt.Sprintf("type=bind,src=%s,target=/foo", mnt2), }, }, valid: false, }, { equivalents: [][]string{ { "--volume", fmt.Sprintf("%s:/foo", mnt1), "--mount", fmt.Sprintf("type=volume,src=%s,target=/foo", mnt2), }, }, valid: false, }, { equivalents: [][]string{ { "--mount", "type=volume,target=/foo", "--mount", "type=volume,target=/foo", }, }, valid: false, }, } for i, testCase := range cases { for j, opts := range testCase.equivalents { cName := fmt.Sprintf("mount-%d-%d", i, j) _, _, err := dockerCmdWithError(append([]string{"run", "-i", "-d", "--name", cName}, append(opts, []string{"busybox", "top"}...)...)...) if testCase.valid { assert.Assert(c, err == nil, "got error while creating a container with %v (%s)", opts, cName) assert.Assert(c, testCase.fn(cName) == nil, "got error while executing test for %v (%s)", opts, cName) dockerCmd(c, "rm", "-f", cName) } else { assert.Assert(c, err != nil, "got nil while creating a container with %v (%s)", opts, cName) } } } } // Test that passing a FQDN as hostname properly sets hostname, and // /etc/hostname. Test case for 29100 func (s *DockerSuite) TestRunHostnameFQDN(c *testing.T) { testRequires(c, DaemonIsLinux) expectedOutput := "foobar.example.com\nfoobar.example.com\nfoobar\nexample.com\nfoobar.example.com" out, _ := dockerCmd(c, "run", "--hostname=foobar.example.com", "busybox", "sh", "-c", `cat /etc/hostname && hostname && hostname -s && hostname -d && hostname -f`) assert.Equal(c, strings.TrimSpace(out), expectedOutput) out, _ = dockerCmd(c, "run", "--hostname=foobar.example.com", "busybox", "sh", "-c", `cat /etc/hosts`) expectedOutput = "foobar.example.com foobar" assert.Assert(c, strings.Contains(strings.TrimSpace(out), expectedOutput)) } // Test case for 29129 func (s *DockerSuite) TestRunHostnameInHostMode(c *testing.T) { testRequires(c, DaemonIsLinux, NotUserNamespace) expectedOutput := "foobar\nfoobar" out, _ := dockerCmd(c, "run", "--net=host", "--hostname=foobar", "busybox", "sh", "-c", `echo $HOSTNAME && hostname`) assert.Equal(c, strings.TrimSpace(out), expectedOutput) } func (s *DockerSuite) TestRunAddDeviceCgroupRule(c *testing.T) { testRequires(c, DaemonIsLinux) deviceRule := "c 7:128 rwm" out, _ := dockerCmd(c, "run", "--rm", "busybox", "cat", "/sys/fs/cgroup/devices/devices.list") if strings.Contains(out, deviceRule) { c.Fatalf("%s shouldn't been in the device.list", deviceRule) } out, _ = dockerCmd(c, "run", "--rm", fmt.Sprintf("--device-cgroup-rule=%s", deviceRule), "busybox", "grep", deviceRule, "/sys/fs/cgroup/devices/devices.list") assert.Equal(c, strings.TrimSpace(out), deviceRule) } // Verifies that running as local system is operating correctly on Windows func (s *DockerSuite) TestWindowsRunAsSystem(c *testing.T) { testRequires(c, DaemonIsWindows) out, _ := dockerCmd(c, "run", "--net=none", `--user=nt authority\system`, "--hostname=XYZZY", minimalBaseImage(), "cmd", "/c", `@echo %USERNAME%`) assert.Equal(c, strings.TrimSpace(out), "XYZZY$") }