github.com/guilhermebr/docker@v1.4.2-0.20150428121140-67da055cebca/integration-cli/docker_cli_run_test.go (about)

     1  package main
     2  
     3  import (
     4  	"bufio"
     5  	"bytes"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net"
     9  	"os"
    10  	"os/exec"
    11  	"path"
    12  	"path/filepath"
    13  	"reflect"
    14  	"regexp"
    15  	"sort"
    16  	"strconv"
    17  	"strings"
    18  	"sync"
    19  	"time"
    20  
    21  	"github.com/docker/docker/nat"
    22  	"github.com/docker/docker/pkg/resolvconf"
    23  	"github.com/go-check/check"
    24  )
    25  
    26  // "test123" should be printed by docker run
    27  func (s *DockerSuite) TestRunEchoStdout(c *check.C) {
    28  	runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123")
    29  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    30  	if err != nil {
    31  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    32  	}
    33  
    34  	if out != "test123\n" {
    35  		c.Fatalf("container should've printed 'test123'")
    36  	}
    37  }
    38  
    39  // "test" should be printed
    40  func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) {
    41  	runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test")
    42  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    43  	if err != nil {
    44  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    45  	}
    46  
    47  	out = strings.Trim(out, "\r\n")
    48  
    49  	if expected := "test"; out != expected {
    50  		c.Fatalf("container should've printed %q but printed %q", expected, out)
    51  	}
    52  }
    53  
    54  // should run without memory swap
    55  func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) {
    56  	runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")
    57  	out, _, err := runCommandWithOutput(runCmd)
    58  	if err != nil {
    59  		c.Fatalf("failed to run container, output: %q", out)
    60  	}
    61  }
    62  
    63  // "test" should be printed
    64  func (s *DockerSuite) TestRunEchoStdoutWitCPULimit(c *check.C) {
    65  	runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test")
    66  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    67  	if err != nil {
    68  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    69  	}
    70  
    71  	if out != "test\n" {
    72  		c.Errorf("container should've printed 'test'")
    73  	}
    74  }
    75  
    76  // "test" should be printed
    77  func (s *DockerSuite) TestRunEchoStdoutWithCPUAndMemoryLimit(c *check.C) {
    78  	runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test")
    79  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    80  	if err != nil {
    81  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    82  	}
    83  
    84  	if out != "test\n" {
    85  		c.Errorf("container should've printed 'test', got %q instead", out)
    86  	}
    87  }
    88  
    89  // "test" should be printed
    90  func (s *DockerSuite) TestRunEchoStdoutWitCPUQuota(c *check.C) {
    91  	runCmd := exec.Command(dockerBinary, "run", "--cpu-quota", "8000", "--name", "test", "busybox", "echo", "test")
    92  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
    93  	if err != nil {
    94  		c.Fatalf("failed to run container: %v, output: %q", err, out)
    95  	}
    96  	out = strings.TrimSpace(out)
    97  	if strings.Contains(out, "Your kernel does not support CPU cfs quota") {
    98  		c.Skip("Your kernel does not support CPU cfs quota, skip this test")
    99  	}
   100  	if out != "test" {
   101  		c.Errorf("container should've printed 'test'")
   102  	}
   103  
   104  	cmd := exec.Command(dockerBinary, "inspect", "-f", "{{.HostConfig.CpuQuota}}", "test")
   105  	out, _, err = runCommandWithOutput(cmd)
   106  	if err != nil {
   107  		c.Fatalf("failed to inspect container: %s, %v", out, err)
   108  	}
   109  	out = strings.TrimSpace(out)
   110  	if out != "8000" {
   111  		c.Errorf("setting the CPU CFS quota failed")
   112  	}
   113  }
   114  
   115  // "test" should be printed
   116  func (s *DockerSuite) TestRunEchoNamedContainer(c *check.C) {
   117  	runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
   118  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
   119  	if err != nil {
   120  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   121  	}
   122  
   123  	if out != "test\n" {
   124  		c.Errorf("container should've printed 'test'")
   125  	}
   126  
   127  	if err := deleteContainer("testfoonamedcontainer"); err != nil {
   128  		c.Errorf("failed to remove the named container: %v", err)
   129  	}
   130  }
   131  
   132  // docker run should not leak file descriptors
   133  func (s *DockerSuite) TestRunLeakyFileDescriptors(c *check.C) {
   134  	runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd")
   135  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
   136  	if err != nil {
   137  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   138  	}
   139  
   140  	// normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
   141  	if out != "0  1  2  3\n" {
   142  		c.Errorf("container should've printed '0  1  2  3', not: %s", out)
   143  	}
   144  }
   145  
   146  // it should be possible to lookup Google DNS
   147  // this will fail when Internet access is unavailable
   148  func (s *DockerSuite) TestRunLookupGoogleDns(c *check.C) {
   149  	testRequires(c, Network)
   150  
   151  	out, _, _, err := runCommandWithStdoutStderr(exec.Command(dockerBinary, "run", "busybox", "nslookup", "google.com"))
   152  	if err != nil {
   153  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   154  	}
   155  }
   156  
   157  // the exit code should be 0
   158  // some versions of lxc might make this test fail
   159  func (s *DockerSuite) TestRunExitCodeZero(c *check.C) {
   160  	runCmd := exec.Command(dockerBinary, "run", "busybox", "true")
   161  	if out, _, err := runCommandWithOutput(runCmd); err != nil {
   162  		c.Errorf("container should've exited with exit code 0: %s, %v", out, err)
   163  	}
   164  }
   165  
   166  // the exit code should be 1
   167  // some versions of lxc might make this test fail
   168  func (s *DockerSuite) TestRunExitCodeOne(c *check.C) {
   169  	runCmd := exec.Command(dockerBinary, "run", "busybox", "false")
   170  	exitCode, err := runCommand(runCmd)
   171  	if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
   172  		c.Fatal(err)
   173  	}
   174  	if exitCode != 1 {
   175  		c.Errorf("container should've exited with exit code 1")
   176  	}
   177  }
   178  
   179  // it should be possible to pipe in data via stdin to a process running in a container
   180  // some versions of lxc might make this test fail
   181  func (s *DockerSuite) TestRunStdinPipe(c *check.C) {
   182  	runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`)
   183  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
   184  	if err != nil {
   185  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   186  	}
   187  
   188  	out = strings.TrimSpace(out)
   189  
   190  	inspectCmd := exec.Command(dockerBinary, "inspect", out)
   191  	if out, _, err := runCommandWithOutput(inspectCmd); err != nil {
   192  		c.Fatalf("out should've been a container id: %s %v", out, err)
   193  	}
   194  
   195  	waitCmd := exec.Command(dockerBinary, "wait", out)
   196  	if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
   197  		c.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
   198  	}
   199  
   200  	logsCmd := exec.Command(dockerBinary, "logs", out)
   201  	logsOut, _, err := runCommandWithOutput(logsCmd)
   202  	if err != nil {
   203  		c.Fatalf("error thrown while trying to get container logs: %s, %v", logsOut, err)
   204  	}
   205  
   206  	containerLogs := strings.TrimSpace(logsOut)
   207  
   208  	if containerLogs != "blahblah" {
   209  		c.Errorf("logs didn't print the container's logs %s", containerLogs)
   210  	}
   211  
   212  	rmCmd := exec.Command(dockerBinary, "rm", out)
   213  	if out, _, err = runCommandWithOutput(rmCmd); err != nil {
   214  		c.Fatalf("rm failed to remove container: %s, %v", out, err)
   215  	}
   216  }
   217  
   218  // the container's ID should be printed when starting a container in detached mode
   219  func (s *DockerSuite) TestRunDetachedContainerIDPrinting(c *check.C) {
   220  	runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
   221  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
   222  	if err != nil {
   223  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   224  	}
   225  
   226  	out = strings.TrimSpace(out)
   227  
   228  	inspectCmd := exec.Command(dockerBinary, "inspect", out)
   229  	if inspectOut, _, err := runCommandWithOutput(inspectCmd); err != nil {
   230  		c.Fatalf("out should've been a container id: %s %v", inspectOut, err)
   231  	}
   232  
   233  	waitCmd := exec.Command(dockerBinary, "wait", out)
   234  	if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
   235  		c.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
   236  	}
   237  
   238  	rmCmd := exec.Command(dockerBinary, "rm", out)
   239  	rmOut, _, err := runCommandWithOutput(rmCmd)
   240  	if err != nil {
   241  		c.Fatalf("rm failed to remove container: %s, %v", rmOut, err)
   242  	}
   243  
   244  	rmOut = strings.TrimSpace(rmOut)
   245  	if rmOut != out {
   246  		c.Errorf("rm didn't print the container ID %s %s", out, rmOut)
   247  	}
   248  }
   249  
   250  // the working directory should be set correctly
   251  func (s *DockerSuite) TestRunWorkingDirectory(c *check.C) {
   252  	runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd")
   253  	out, _, _, err := runCommandWithStdoutStderr(runCmd)
   254  	if err != nil {
   255  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   256  	}
   257  
   258  	out = strings.TrimSpace(out)
   259  
   260  	if out != "/root" {
   261  		c.Errorf("-w failed to set working directory")
   262  	}
   263  
   264  	runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd")
   265  	out, _, _, err = runCommandWithStdoutStderr(runCmd)
   266  	if err != nil {
   267  		c.Fatal(out, err)
   268  	}
   269  
   270  	out = strings.TrimSpace(out)
   271  
   272  	if out != "/root" {
   273  		c.Errorf("--workdir failed to set working directory")
   274  	}
   275  }
   276  
   277  // pinging Google's DNS resolver should fail when we disable the networking
   278  func (s *DockerSuite) TestRunWithoutNetworking(c *check.C) {
   279  	runCmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8")
   280  	out, _, exitCode, err := runCommandWithStdoutStderr(runCmd)
   281  	if err != nil && exitCode != 1 {
   282  		c.Fatal(out, err)
   283  	}
   284  	if exitCode != 1 {
   285  		c.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
   286  	}
   287  
   288  	runCmd = exec.Command(dockerBinary, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8")
   289  	out, _, exitCode, err = runCommandWithStdoutStderr(runCmd)
   290  	if err != nil && exitCode != 1 {
   291  		c.Fatal(out, err)
   292  	}
   293  	if exitCode != 1 {
   294  		c.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
   295  	}
   296  }
   297  
   298  //test --link use container name to link target
   299  func (s *DockerSuite) TestRunLinksContainerWithContainerName(c *check.C) {
   300  	cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
   301  	out, _, _, err := runCommandWithStdoutStderr(cmd)
   302  	if err != nil {
   303  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   304  	}
   305  	cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", "parent")
   306  	ip, _, _, err := runCommandWithStdoutStderr(cmd)
   307  	if err != nil {
   308  		c.Fatalf("failed to inspect container: %v, output: %q", err, ip)
   309  	}
   310  	ip = strings.TrimSpace(ip)
   311  	cmd = exec.Command(dockerBinary, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
   312  	out, _, err = runCommandWithOutput(cmd)
   313  	if err != nil {
   314  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   315  	}
   316  	if !strings.Contains(out, ip+"	test") {
   317  		c.Fatalf("use a container name to link target failed")
   318  	}
   319  }
   320  
   321  //test --link use container id to link target
   322  func (s *DockerSuite) TestRunLinksContainerWithContainerId(c *check.C) {
   323  	cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "busybox")
   324  	cID, _, _, err := runCommandWithStdoutStderr(cmd)
   325  	if err != nil {
   326  		c.Fatalf("failed to run container: %v, output: %q", err, cID)
   327  	}
   328  	cID = strings.TrimSpace(cID)
   329  	cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", cID)
   330  	ip, _, _, err := runCommandWithStdoutStderr(cmd)
   331  	if err != nil {
   332  		c.Fatalf("failed to inspect container: %v, output: %q", err, ip)
   333  	}
   334  	ip = strings.TrimSpace(ip)
   335  	cmd = exec.Command(dockerBinary, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
   336  	out, _, err := runCommandWithOutput(cmd)
   337  	if err != nil {
   338  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   339  	}
   340  	if !strings.Contains(out, ip+"	test") {
   341  		c.Fatalf("use a container id to link target failed")
   342  	}
   343  }
   344  
   345  func (s *DockerSuite) TestRunLinkToContainerNetMode(c *check.C) {
   346  	cmd := exec.Command(dockerBinary, "run", "--name", "test", "-d", "busybox", "top")
   347  	out, _, err := runCommandWithOutput(cmd)
   348  	if err != nil {
   349  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   350  	}
   351  	cmd = exec.Command(dockerBinary, "run", "--name", "parent", "-d", "--net=container:test", "busybox", "top")
   352  	out, _, err = runCommandWithOutput(cmd)
   353  	if err != nil {
   354  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   355  	}
   356  	cmd = exec.Command(dockerBinary, "run", "-d", "--link=parent:parent", "busybox", "top")
   357  	out, _, err = runCommandWithOutput(cmd)
   358  	if err != nil {
   359  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   360  	}
   361  
   362  	cmd = exec.Command(dockerBinary, "run", "--name", "child", "-d", "--net=container:parent", "busybox", "top")
   363  	out, _, err = runCommandWithOutput(cmd)
   364  	if err != nil {
   365  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   366  	}
   367  	cmd = exec.Command(dockerBinary, "run", "-d", "--link=child:child", "busybox", "top")
   368  	out, _, err = runCommandWithOutput(cmd)
   369  	if err != nil {
   370  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   371  	}
   372  }
   373  
   374  func (s *DockerSuite) TestRunModeNetContainerHostname(c *check.C) {
   375  	testRequires(c, ExecSupport)
   376  	cmd := exec.Command(dockerBinary, "run", "-i", "-d", "--name", "parent", "busybox", "top")
   377  	out, _, err := runCommandWithOutput(cmd)
   378  	if err != nil {
   379  		c.Fatalf("failed to run container: %v, output: %q", err, out)
   380  	}
   381  	cmd = exec.Command(dockerBinary, "exec", "parent", "cat", "/etc/hostname")
   382  	out, _, err = runCommandWithOutput(cmd)
   383  	if err != nil {
   384  		c.Fatalf("failed to exec command: %v, output: %q", err, out)
   385  	}
   386  
   387  	cmd = exec.Command(dockerBinary, "run", "--net=container:parent", "busybox", "cat", "/etc/hostname")
   388  	out1, _, err := runCommandWithOutput(cmd)
   389  	if err != nil {
   390  		c.Fatalf("failed to run container: %v, output: %q", err, out1)
   391  	}
   392  	if out1 != out {
   393  		c.Fatal("containers with shared net namespace should have same hostname")
   394  	}
   395  }
   396  
   397  // Regression test for #4741
   398  func (s *DockerSuite) TestRunWithVolumesAsFiles(c *check.C) {
   399  	runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/etc/hosts:/target-file", "busybox", "true")
   400  	out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
   401  	if err != nil && exitCode != 0 {
   402  		c.Fatal("1", out, stderr, err)
   403  	}
   404  
   405  	runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/target-file")
   406  	out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
   407  	if err != nil && exitCode != 0 {
   408  		c.Fatal("2", out, stderr, err)
   409  	}
   410  }
   411  
   412  // Regression test for #4979
   413  func (s *DockerSuite) TestRunWithVolumesFromExited(c *check.C) {
   414  	runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
   415  	out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
   416  	if err != nil && exitCode != 0 {
   417  		c.Fatal("1", out, stderr, err)
   418  	}
   419  
   420  	runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
   421  	out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
   422  	if err != nil && exitCode != 0 {
   423  		c.Fatal("2", out, stderr, err)
   424  	}
   425  }
   426  
   427  // Volume path is a symlink which also exists on the host, and the host side is a file not a dir
   428  // But the volume call is just a normal volume, not a bind mount
   429  func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir(c *check.C) {
   430  	testRequires(c, SameHostDaemon)
   431  	testRequires(c, NativeExecDriver)
   432  	name := "test-volume-symlink"
   433  
   434  	dir, err := ioutil.TempDir("", name)
   435  	if err != nil {
   436  		c.Fatal(err)
   437  	}
   438  	defer os.RemoveAll(dir)
   439  
   440  	f, err := os.OpenFile(filepath.Join(dir, "test"), os.O_CREATE, 0700)
   441  	if err != nil {
   442  		c.Fatal(err)
   443  	}
   444  	f.Close()
   445  
   446  	dockerFile := fmt.Sprintf("FROM busybox\nRUN mkdir -p %s\nRUN ln -s %s /test", dir, dir)
   447  	if _, err := buildImage(name, dockerFile, false); err != nil {
   448  		c.Fatal(err)
   449  	}
   450  
   451  	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-v", "/test/test", name))
   452  	if err != nil {
   453  		c.Fatalf("Failed with errors: %s, %v", out, err)
   454  	}
   455  }
   456  
   457  // Regression test for #4830
   458  func (s *DockerSuite) TestRunWithRelativePath(c *check.C) {
   459  	runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true")
   460  	if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil {
   461  		c.Fatalf("relative path should result in an error")
   462  	}
   463  }
   464  
   465  func (s *DockerSuite) TestRunVolumesMountedAsReadonly(c *check.C) {
   466  	cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile")
   467  	if code, err := runCommand(cmd); err == nil || code == 0 {
   468  		c.Fatalf("run should fail because volume is ro: exit code %d", code)
   469  	}
   470  }
   471  
   472  func (s *DockerSuite) TestRunVolumesFromInReadonlyMode(c *check.C) {
   473  	cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
   474  	if _, err := runCommand(cmd); err != nil {
   475  		c.Fatal(err)
   476  	}
   477  
   478  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file")
   479  	if code, err := runCommand(cmd); err == nil || code == 0 {
   480  		c.Fatalf("run should fail because volume is ro: exit code %d", code)
   481  	}
   482  }
   483  
   484  // Regression test for #1201
   485  func (s *DockerSuite) TestRunVolumesFromInReadWriteMode(c *check.C) {
   486  	cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
   487  	if _, err := runCommand(cmd); err != nil {
   488  		c.Fatal(err)
   489  	}
   490  
   491  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
   492  	if out, _, err := runCommandWithOutput(cmd); err != nil {
   493  		c.Fatalf("running --volumes-from parent:rw failed with output: %q\nerror: %v", out, err)
   494  	}
   495  
   496  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:bar", "busybox", "touch", "/test/file")
   497  	if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "invalid mode for volumes-from: bar") {
   498  		c.Fatalf("running --volumes-from foo:bar should have failed with invalid mount mode: %q", out)
   499  	}
   500  
   501  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file")
   502  	if out, _, err := runCommandWithOutput(cmd); err != nil {
   503  		c.Fatalf("running --volumes-from parent failed with output: %q\nerror: %v", out, err)
   504  	}
   505  }
   506  
   507  func (s *DockerSuite) TestVolumesFromGetsProperMode(c *check.C) {
   508  	cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true")
   509  	if _, err := runCommand(cmd); err != nil {
   510  		c.Fatal(err)
   511  	}
   512  	// Expect this "rw" mode to be be ignored since the inherited volume is "ro"
   513  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
   514  	if _, err := runCommand(cmd); err == nil {
   515  		c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
   516  	}
   517  
   518  	cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/test:/test:ro", "busybox", "true")
   519  	if _, err := runCommand(cmd); err != nil {
   520  		c.Fatal(err)
   521  	}
   522  	// Expect this to be read-only since both are "ro"
   523  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent2:ro", "busybox", "touch", "/test/file")
   524  	if _, err := runCommand(cmd); err == nil {
   525  		c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
   526  	}
   527  }
   528  
   529  // Test for GH#10618
   530  func (s *DockerSuite) TestRunNoDupVolumes(c *check.C) {
   531  	mountstr1 := randomUnixTmpDirPath("test1") + ":/someplace"
   532  	mountstr2 := randomUnixTmpDirPath("test2") + ":/someplace"
   533  
   534  	cmd := exec.Command(dockerBinary, "run", "-v", mountstr1, "-v", mountstr2, "busybox", "true")
   535  	if out, _, err := runCommandWithOutput(cmd); err == nil {
   536  		c.Fatal("Expected error about duplicate volume definitions")
   537  	} else {
   538  		if !strings.Contains(out, "Duplicate volume") {
   539  			c.Fatalf("Expected 'duplicate volume' error, got %v", err)
   540  		}
   541  	}
   542  }
   543  
   544  // Test for #1351
   545  func (s *DockerSuite) TestRunApplyVolumesFromBeforeVolumes(c *check.C) {
   546  	cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo")
   547  	if _, err := runCommand(cmd); err != nil {
   548  		c.Fatal(err)
   549  	}
   550  
   551  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo")
   552  	if out, _, err := runCommandWithOutput(cmd); err != nil {
   553  		c.Fatal(out, err)
   554  	}
   555  }
   556  
   557  func (s *DockerSuite) TestRunMultipleVolumesFrom(c *check.C) {
   558  	cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo")
   559  	if _, err := runCommand(cmd); err != nil {
   560  		c.Fatal(err)
   561  	}
   562  
   563  	cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar")
   564  	if _, err := runCommand(cmd); err != nil {
   565  		c.Fatal(err)
   566  	}
   567  
   568  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent1", "--volumes-from", "parent2",
   569  		"busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
   570  	if _, err := runCommand(cmd); err != nil {
   571  		c.Fatal(err)
   572  	}
   573  }
   574  
   575  // this tests verifies the ID format for the container
   576  func (s *DockerSuite) TestRunVerifyContainerID(c *check.C) {
   577  	cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
   578  	out, exit, err := runCommandWithOutput(cmd)
   579  	if err != nil {
   580  		c.Fatal(err)
   581  	}
   582  	if exit != 0 {
   583  		c.Fatalf("expected exit code 0 received %d", exit)
   584  	}
   585  	match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
   586  	if err != nil {
   587  		c.Fatal(err)
   588  	}
   589  	if !match {
   590  		c.Fatalf("Invalid container ID: %s", out)
   591  	}
   592  }
   593  
   594  // Test that creating a container with a volume doesn't crash. Regression test for #995.
   595  func (s *DockerSuite) TestRunCreateVolume(c *check.C) {
   596  	cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true")
   597  	if _, err := runCommand(cmd); err != nil {
   598  		c.Fatal(err)
   599  	}
   600  }
   601  
   602  // Test that creating a volume with a symlink in its path works correctly. Test for #5152.
   603  // Note that this bug happens only with symlinks with a target that starts with '/'.
   604  func (s *DockerSuite) TestRunCreateVolumeWithSymlink(c *check.C) {
   605  	image := "docker-test-createvolumewithsymlink"
   606  
   607  	buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-")
   608  	buildCmd.Stdin = strings.NewReader(`FROM busybox
   609  		RUN ln -s home /bar`)
   610  	buildCmd.Dir = workingDirectory
   611  	err := buildCmd.Run()
   612  	if err != nil {
   613  		c.Fatalf("could not build '%s': %v", image, err)
   614  	}
   615  
   616  	cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
   617  	exitCode, err := runCommand(cmd)
   618  	if err != nil || exitCode != 0 {
   619  		c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
   620  	}
   621  
   622  	var volPath string
   623  	cmd = exec.Command(dockerBinary, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-createvolumewithsymlink")
   624  	volPath, exitCode, err = runCommandWithOutput(cmd)
   625  	if err != nil || exitCode != 0 {
   626  		c.Fatalf("[inspect] err: %v, exitcode: %d", err, exitCode)
   627  	}
   628  
   629  	cmd = exec.Command(dockerBinary, "rm", "-v", "test-createvolumewithsymlink")
   630  	exitCode, err = runCommand(cmd)
   631  	if err != nil || exitCode != 0 {
   632  		c.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
   633  	}
   634  
   635  	f, err := os.Open(volPath)
   636  	defer f.Close()
   637  	if !os.IsNotExist(err) {
   638  		c.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
   639  	}
   640  }
   641  
   642  // Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
   643  func (s *DockerSuite) TestRunVolumesFromSymlinkPath(c *check.C) {
   644  	name := "docker-test-volumesfromsymlinkpath"
   645  
   646  	buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
   647  	buildCmd.Stdin = strings.NewReader(`FROM busybox
   648  		RUN ln -s home /foo
   649  		VOLUME ["/foo/bar"]`)
   650  	buildCmd.Dir = workingDirectory
   651  	err := buildCmd.Run()
   652  	if err != nil {
   653  		c.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
   654  	}
   655  
   656  	cmd := exec.Command(dockerBinary, "run", "--name", "test-volumesfromsymlinkpath", name)
   657  	exitCode, err := runCommand(cmd)
   658  	if err != nil || exitCode != 0 {
   659  		c.Fatalf("[run] (volume) err: %v, exitcode: %d", err, exitCode)
   660  	}
   661  
   662  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls /foo | grep -q bar")
   663  	exitCode, err = runCommand(cmd)
   664  	if err != nil || exitCode != 0 {
   665  		c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
   666  	}
   667  }
   668  
   669  func (s *DockerSuite) TestRunExitCode(c *check.C) {
   670  	cmd := exec.Command(dockerBinary, "run", "busybox", "/bin/sh", "-c", "exit 72")
   671  
   672  	exit, err := runCommand(cmd)
   673  	if err == nil {
   674  		c.Fatal("should not have a non nil error")
   675  	}
   676  	if exit != 72 {
   677  		c.Fatalf("expected exit code 72 received %d", exit)
   678  	}
   679  }
   680  
   681  func (s *DockerSuite) TestRunUserDefaultsToRoot(c *check.C) {
   682  	cmd := exec.Command(dockerBinary, "run", "busybox", "id")
   683  	out, _, err := runCommandWithOutput(cmd)
   684  	if err != nil {
   685  		c.Fatal(err, out)
   686  	}
   687  	if !strings.Contains(out, "uid=0(root) gid=0(root)") {
   688  		c.Fatalf("expected root user got %s", out)
   689  	}
   690  }
   691  
   692  func (s *DockerSuite) TestRunUserByName(c *check.C) {
   693  	cmd := exec.Command(dockerBinary, "run", "-u", "root", "busybox", "id")
   694  	out, _, err := runCommandWithOutput(cmd)
   695  	if err != nil {
   696  		c.Fatal(err, out)
   697  	}
   698  	if !strings.Contains(out, "uid=0(root) gid=0(root)") {
   699  		c.Fatalf("expected root user got %s", out)
   700  	}
   701  }
   702  
   703  func (s *DockerSuite) TestRunUserByID(c *check.C) {
   704  	cmd := exec.Command(dockerBinary, "run", "-u", "1", "busybox", "id")
   705  	out, _, err := runCommandWithOutput(cmd)
   706  	if err != nil {
   707  		c.Fatal(err, out)
   708  	}
   709  	if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
   710  		c.Fatalf("expected daemon user got %s", out)
   711  	}
   712  }
   713  
   714  func (s *DockerSuite) TestRunUserByIDBig(c *check.C) {
   715  	cmd := exec.Command(dockerBinary, "run", "-u", "2147483648", "busybox", "id")
   716  	out, _, err := runCommandWithOutput(cmd)
   717  	if err == nil {
   718  		c.Fatal("No error, but must be.", out)
   719  	}
   720  	if !strings.Contains(out, "Uids and gids must be in range") {
   721  		c.Fatalf("expected error about uids range, got %s", out)
   722  	}
   723  }
   724  
   725  func (s *DockerSuite) TestRunUserByIDNegative(c *check.C) {
   726  	cmd := exec.Command(dockerBinary, "run", "-u", "-1", "busybox", "id")
   727  	out, _, err := runCommandWithOutput(cmd)
   728  	if err == nil {
   729  		c.Fatal("No error, but must be.", out)
   730  	}
   731  	if !strings.Contains(out, "Uids and gids must be in range") {
   732  		c.Fatalf("expected error about uids range, got %s", out)
   733  	}
   734  }
   735  
   736  func (s *DockerSuite) TestRunUserByIDZero(c *check.C) {
   737  	cmd := exec.Command(dockerBinary, "run", "-u", "0", "busybox", "id")
   738  	out, _, err := runCommandWithOutput(cmd)
   739  	if err != nil {
   740  		c.Fatal(err, out)
   741  	}
   742  	if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
   743  		c.Fatalf("expected daemon user got %s", out)
   744  	}
   745  }
   746  
   747  func (s *DockerSuite) TestRunUserNotFound(c *check.C) {
   748  	cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id")
   749  	_, err := runCommand(cmd)
   750  	if err == nil {
   751  		c.Fatal("unknown user should cause container to fail")
   752  	}
   753  }
   754  
   755  func (s *DockerSuite) TestRunTwoConcurrentContainers(c *check.C) {
   756  	group := sync.WaitGroup{}
   757  	group.Add(2)
   758  
   759  	for i := 0; i < 2; i++ {
   760  		go func() {
   761  			defer group.Done()
   762  			cmd := exec.Command(dockerBinary, "run", "busybox", "sleep", "2")
   763  			if _, err := runCommand(cmd); err != nil {
   764  				c.Fatal(err)
   765  			}
   766  		}()
   767  	}
   768  
   769  	group.Wait()
   770  }
   771  
   772  func (s *DockerSuite) TestRunEnvironment(c *check.C) {
   773  	cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env")
   774  	cmd.Env = append(os.Environ(),
   775  		"TRUE=false",
   776  		"TRICKY=tri\ncky\n",
   777  	)
   778  
   779  	out, _, err := runCommandWithOutput(cmd)
   780  	if err != nil {
   781  		c.Fatal(err, out)
   782  	}
   783  
   784  	actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
   785  	actualEnv := []string{}
   786  	for i := range actualEnvLxc {
   787  		if actualEnvLxc[i] != "container=lxc" {
   788  			actualEnv = append(actualEnv, actualEnvLxc[i])
   789  		}
   790  	}
   791  	sort.Strings(actualEnv)
   792  
   793  	goodEnv := []string{
   794  		"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
   795  		"HOSTNAME=testing",
   796  		"FALSE=true",
   797  		"TRUE=false",
   798  		"TRICKY=tri",
   799  		"cky",
   800  		"",
   801  		"HOME=/root",
   802  	}
   803  	sort.Strings(goodEnv)
   804  	if len(goodEnv) != len(actualEnv) {
   805  		c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
   806  	}
   807  	for i := range goodEnv {
   808  		if actualEnv[i] != goodEnv[i] {
   809  			c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
   810  		}
   811  	}
   812  }
   813  
   814  func (s *DockerSuite) TestRunEnvironmentErase(c *check.C) {
   815  	// Test to make sure that when we use -e on env vars that are
   816  	// not set in our local env that they're removed (if present) in
   817  	// the container
   818  
   819  	cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env")
   820  	cmd.Env = appendBaseEnv([]string{})
   821  
   822  	out, _, err := runCommandWithOutput(cmd)
   823  	if err != nil {
   824  		c.Fatal(err, out)
   825  	}
   826  
   827  	actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
   828  	actualEnv := []string{}
   829  	for i := range actualEnvLxc {
   830  		if actualEnvLxc[i] != "container=lxc" {
   831  			actualEnv = append(actualEnv, actualEnvLxc[i])
   832  		}
   833  	}
   834  	sort.Strings(actualEnv)
   835  
   836  	goodEnv := []string{
   837  		"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
   838  		"HOME=/root",
   839  	}
   840  	sort.Strings(goodEnv)
   841  	if len(goodEnv) != len(actualEnv) {
   842  		c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
   843  	}
   844  	for i := range goodEnv {
   845  		if actualEnv[i] != goodEnv[i] {
   846  			c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
   847  		}
   848  	}
   849  }
   850  
   851  func (s *DockerSuite) TestRunEnvironmentOverride(c *check.C) {
   852  	// Test to make sure that when we use -e on env vars that are
   853  	// already in the env that we're overriding them
   854  
   855  	cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env")
   856  	cmd.Env = appendBaseEnv([]string{"HOSTNAME=bar"})
   857  
   858  	out, _, err := runCommandWithOutput(cmd)
   859  	if err != nil {
   860  		c.Fatal(err, out)
   861  	}
   862  
   863  	actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
   864  	actualEnv := []string{}
   865  	for i := range actualEnvLxc {
   866  		if actualEnvLxc[i] != "container=lxc" {
   867  			actualEnv = append(actualEnv, actualEnvLxc[i])
   868  		}
   869  	}
   870  	sort.Strings(actualEnv)
   871  
   872  	goodEnv := []string{
   873  		"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
   874  		"HOME=/root2",
   875  		"HOSTNAME=bar",
   876  	}
   877  	sort.Strings(goodEnv)
   878  	if len(goodEnv) != len(actualEnv) {
   879  		c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
   880  	}
   881  	for i := range goodEnv {
   882  		if actualEnv[i] != goodEnv[i] {
   883  			c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
   884  		}
   885  	}
   886  }
   887  
   888  func (s *DockerSuite) TestRunContainerNetwork(c *check.C) {
   889  	cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
   890  	if _, err := runCommand(cmd); err != nil {
   891  		c.Fatal(err)
   892  	}
   893  }
   894  
   895  // Issue #4681
   896  func (s *DockerSuite) TestRunLoopbackWhenNetworkDisabled(c *check.C) {
   897  	cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1")
   898  	if _, err := runCommand(cmd); err != nil {
   899  		c.Fatal(err)
   900  	}
   901  }
   902  
   903  func (s *DockerSuite) TestRunNetHostNotAllowedWithLinks(c *check.C) {
   904  	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "linked", "busybox", "true"))
   905  	if err != nil {
   906  		c.Fatalf("Failed with errors: %s, %v", out, err)
   907  	}
   908  	cmd := exec.Command(dockerBinary, "run", "--net=host", "--link", "linked:linked", "busybox", "true")
   909  	_, _, err = runCommandWithOutput(cmd)
   910  	if err == nil {
   911  		c.Fatal("Expected error")
   912  	}
   913  }
   914  
   915  func (s *DockerSuite) TestRunLoopbackOnlyExistsWhenNetworkingDisabled(c *check.C) {
   916  	cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up")
   917  	out, _, err := runCommandWithOutput(cmd)
   918  	if err != nil {
   919  		c.Fatal(err, out)
   920  	}
   921  
   922  	var (
   923  		count = 0
   924  		parts = strings.Split(out, "\n")
   925  	)
   926  
   927  	for _, l := range parts {
   928  		if l != "" {
   929  			count++
   930  		}
   931  	}
   932  
   933  	if count != 1 {
   934  		c.Fatalf("Wrong interface count in container %d", count)
   935  	}
   936  
   937  	if !strings.HasPrefix(out, "1: lo") {
   938  		c.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out)
   939  	}
   940  }
   941  
   942  // #7851 hostname outside container shows FQDN, inside only shortname
   943  // For testing purposes it is not required to set host's hostname directly
   944  // and use "--net=host" (as the original issue submitter did), as the same
   945  // codepath is executed with "docker run -h <hostname>".  Both were manually
   946  // tested, but this testcase takes the simpler path of using "run -h .."
   947  func (s *DockerSuite) TestRunFullHostnameSet(c *check.C) {
   948  	cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname")
   949  	out, _, err := runCommandWithOutput(cmd)
   950  	if err != nil {
   951  		c.Fatal(err, out)
   952  	}
   953  
   954  	if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
   955  		c.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
   956  	}
   957  }
   958  
   959  func (s *DockerSuite) TestRunPrivilegedCanMknod(c *check.C) {
   960  	cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
   961  	out, _, err := runCommandWithOutput(cmd)
   962  	if err != nil {
   963  		c.Fatal(err)
   964  	}
   965  
   966  	if actual := strings.Trim(out, "\r\n"); actual != "ok" {
   967  		c.Fatalf("expected output ok received %s", actual)
   968  	}
   969  }
   970  
   971  func (s *DockerSuite) TestRunUnPrivilegedCanMknod(c *check.C) {
   972  	cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
   973  	out, _, err := runCommandWithOutput(cmd)
   974  	if err != nil {
   975  		c.Fatal(err)
   976  	}
   977  
   978  	if actual := strings.Trim(out, "\r\n"); actual != "ok" {
   979  		c.Fatalf("expected output ok received %s", actual)
   980  	}
   981  }
   982  
   983  func (s *DockerSuite) TestRunCapDropInvalid(c *check.C) {
   984  	cmd := exec.Command(dockerBinary, "run", "--cap-drop=CHPASS", "busybox", "ls")
   985  	out, _, err := runCommandWithOutput(cmd)
   986  	if err == nil {
   987  		c.Fatal(err, out)
   988  	}
   989  }
   990  
   991  func (s *DockerSuite) TestRunCapDropCannotMknod(c *check.C) {
   992  	cmd := exec.Command(dockerBinary, "run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
   993  	out, _, err := runCommandWithOutput(cmd)
   994  	if err == nil {
   995  		c.Fatal(err, out)
   996  	}
   997  
   998  	if actual := strings.Trim(out, "\r\n"); actual == "ok" {
   999  		c.Fatalf("expected output not ok received %s", actual)
  1000  	}
  1001  }
  1002  
  1003  func (s *DockerSuite) TestRunCapDropCannotMknodLowerCase(c *check.C) {
  1004  	cmd := exec.Command(dockerBinary, "run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  1005  	out, _, err := runCommandWithOutput(cmd)
  1006  	if err == nil {
  1007  		c.Fatal(err, out)
  1008  	}
  1009  
  1010  	if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  1011  		c.Fatalf("expected output not ok received %s", actual)
  1012  	}
  1013  }
  1014  
  1015  func (s *DockerSuite) TestRunCapDropALLCannotMknod(c *check.C) {
  1016  	cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  1017  	out, _, err := runCommandWithOutput(cmd)
  1018  	if err == nil {
  1019  		c.Fatal(err, out)
  1020  	}
  1021  
  1022  	if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  1023  		c.Fatalf("expected output not ok received %s", actual)
  1024  	}
  1025  }
  1026  
  1027  func (s *DockerSuite) TestRunCapDropALLAddMknodCanMknod(c *check.C) {
  1028  	cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  1029  	out, _, err := runCommandWithOutput(cmd)
  1030  	if err != nil {
  1031  		c.Fatal(err, out)
  1032  	}
  1033  
  1034  	if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  1035  		c.Fatalf("expected output ok received %s", actual)
  1036  	}
  1037  }
  1038  
  1039  func (s *DockerSuite) TestRunCapAddInvalid(c *check.C) {
  1040  	cmd := exec.Command(dockerBinary, "run", "--cap-add=CHPASS", "busybox", "ls")
  1041  	out, _, err := runCommandWithOutput(cmd)
  1042  	if err == nil {
  1043  		c.Fatal(err, out)
  1044  	}
  1045  }
  1046  
  1047  func (s *DockerSuite) TestRunCapAddCanDownInterface(c *check.C) {
  1048  	cmd := exec.Command(dockerBinary, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  1049  	out, _, err := runCommandWithOutput(cmd)
  1050  	if err != nil {
  1051  		c.Fatal(err, out)
  1052  	}
  1053  
  1054  	if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  1055  		c.Fatalf("expected output ok received %s", actual)
  1056  	}
  1057  }
  1058  
  1059  func (s *DockerSuite) TestRunCapAddALLCanDownInterface(c *check.C) {
  1060  	cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  1061  	out, _, err := runCommandWithOutput(cmd)
  1062  	if err != nil {
  1063  		c.Fatal(err, out)
  1064  	}
  1065  
  1066  	if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  1067  		c.Fatalf("expected output ok received %s", actual)
  1068  	}
  1069  }
  1070  
  1071  func (s *DockerSuite) TestRunCapAddALLDropNetAdminCanDownInterface(c *check.C) {
  1072  	cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  1073  	out, _, err := runCommandWithOutput(cmd)
  1074  	if err == nil {
  1075  		c.Fatal(err, out)
  1076  	}
  1077  
  1078  	if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  1079  		c.Fatalf("expected output not ok received %s", actual)
  1080  	}
  1081  }
  1082  
  1083  func (s *DockerSuite) TestRunPrivilegedCanMount(c *check.C) {
  1084  	cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  1085  	out, _, err := runCommandWithOutput(cmd)
  1086  	if err != nil {
  1087  		c.Fatal(err)
  1088  	}
  1089  
  1090  	if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  1091  		c.Fatalf("expected output ok received %s", actual)
  1092  	}
  1093  }
  1094  
  1095  func (s *DockerSuite) TestRunUnPrivilegedCannotMount(c *check.C) {
  1096  	cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  1097  	out, _, err := runCommandWithOutput(cmd)
  1098  	if err == nil {
  1099  		c.Fatal(err, out)
  1100  	}
  1101  
  1102  	if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  1103  		c.Fatalf("expected output not ok received %s", actual)
  1104  	}
  1105  }
  1106  
  1107  func (s *DockerSuite) TestRunSysNotWritableInNonPrivilegedContainers(c *check.C) {
  1108  	cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/sys/kernel/profiling")
  1109  	if code, err := runCommand(cmd); err == nil || code == 0 {
  1110  		c.Fatal("sys should not be writable in a non privileged container")
  1111  	}
  1112  }
  1113  
  1114  func (s *DockerSuite) TestRunSysWritableInPrivilegedContainers(c *check.C) {
  1115  	cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling")
  1116  	if code, err := runCommand(cmd); err != nil || code != 0 {
  1117  		c.Fatalf("sys should be writable in privileged container")
  1118  	}
  1119  }
  1120  
  1121  func (s *DockerSuite) TestRunProcNotWritableInNonPrivilegedContainers(c *check.C) {
  1122  	cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/proc/sysrq-trigger")
  1123  	if code, err := runCommand(cmd); err == nil || code == 0 {
  1124  		c.Fatal("proc should not be writable in a non privileged container")
  1125  	}
  1126  }
  1127  
  1128  func (s *DockerSuite) TestRunProcWritableInPrivilegedContainers(c *check.C) {
  1129  	cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger")
  1130  	if code, err := runCommand(cmd); err != nil || code != 0 {
  1131  		c.Fatalf("proc should be writable in privileged container")
  1132  	}
  1133  }
  1134  
  1135  func (s *DockerSuite) TestRunWithCpuset(c *check.C) {
  1136  	cmd := exec.Command(dockerBinary, "run", "--cpuset", "0", "busybox", "true")
  1137  	if code, err := runCommand(cmd); err != nil || code != 0 {
  1138  		c.Fatalf("container should run successfully with cpuset of 0: %s", err)
  1139  	}
  1140  }
  1141  
  1142  func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) {
  1143  	cmd := exec.Command(dockerBinary, "run", "--cpuset-cpus", "0", "busybox", "true")
  1144  	if code, err := runCommand(cmd); err != nil || code != 0 {
  1145  		c.Fatalf("container should run successfully with cpuset-cpus of 0: %s", err)
  1146  	}
  1147  }
  1148  
  1149  func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) {
  1150  	cmd := exec.Command(dockerBinary, "run", "--cpuset-mems", "0", "busybox", "true")
  1151  	if code, err := runCommand(cmd); err != nil || code != 0 {
  1152  		c.Fatalf("container should run successfully with cpuset-mems of 0: %s", err)
  1153  	}
  1154  }
  1155  
  1156  func (s *DockerSuite) TestRunDeviceNumbers(c *check.C) {
  1157  	cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "ls -l /dev/null")
  1158  	out, _, err := runCommandWithOutput(cmd)
  1159  	if err != nil {
  1160  		c.Fatal(err, out)
  1161  	}
  1162  	deviceLineFields := strings.Fields(out)
  1163  	deviceLineFields[6] = ""
  1164  	deviceLineFields[7] = ""
  1165  	deviceLineFields[8] = ""
  1166  	expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"}
  1167  
  1168  	if !(reflect.DeepEqual(deviceLineFields, expected)) {
  1169  		c.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out)
  1170  	}
  1171  }
  1172  
  1173  func (s *DockerSuite) TestRunThatCharacterDevicesActLikeCharacterDevices(c *check.C) {
  1174  	cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero")
  1175  	out, _, err := runCommandWithOutput(cmd)
  1176  	if err != nil {
  1177  		c.Fatal(err, out)
  1178  	}
  1179  
  1180  	if actual := strings.Trim(out, "\r\n"); actual[0] == '0' {
  1181  		c.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual)
  1182  	}
  1183  }
  1184  
  1185  func (s *DockerSuite) TestRunUnprivilegedWithChroot(c *check.C) {
  1186  	cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true")
  1187  	if _, err := runCommand(cmd); err != nil {
  1188  		c.Fatal(err)
  1189  	}
  1190  }
  1191  
  1192  func (s *DockerSuite) TestRunAddingOptionalDevices(c *check.C) {
  1193  	cmd := exec.Command(dockerBinary, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo")
  1194  	out, _, err := runCommandWithOutput(cmd)
  1195  	if err != nil {
  1196  		c.Fatal(err, out)
  1197  	}
  1198  
  1199  	if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" {
  1200  		c.Fatalf("expected output /dev/nulo, received %s", actual)
  1201  	}
  1202  }
  1203  
  1204  func (s *DockerSuite) TestRunModeHostname(c *check.C) {
  1205  	testRequires(c, SameHostDaemon)
  1206  
  1207  	cmd := exec.Command(dockerBinary, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname")
  1208  	out, _, err := runCommandWithOutput(cmd)
  1209  	if err != nil {
  1210  		c.Fatal(err, out)
  1211  	}
  1212  
  1213  	if actual := strings.Trim(out, "\r\n"); actual != "testhostname" {
  1214  		c.Fatalf("expected 'testhostname', but says: %q", actual)
  1215  	}
  1216  
  1217  	cmd = exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hostname")
  1218  
  1219  	out, _, err = runCommandWithOutput(cmd)
  1220  	if err != nil {
  1221  		c.Fatal(err, out)
  1222  	}
  1223  	hostname, err := os.Hostname()
  1224  	if err != nil {
  1225  		c.Fatal(err)
  1226  	}
  1227  	if actual := strings.Trim(out, "\r\n"); actual != hostname {
  1228  		c.Fatalf("expected %q, but says: %q", hostname, actual)
  1229  	}
  1230  }
  1231  
  1232  func (s *DockerSuite) TestRunRootWorkdir(c *check.C) {
  1233  	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--workdir", "/", "busybox", "pwd"))
  1234  	if err != nil {
  1235  		c.Fatalf("Failed with errors: %s, %v", out, err)
  1236  	}
  1237  	if out != "/\n" {
  1238  		c.Fatalf("pwd returned %q (expected /\\n)", s)
  1239  	}
  1240  }
  1241  
  1242  func (s *DockerSuite) TestRunAllowBindMountingRoot(c *check.C) {
  1243  	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-v", "/:/host", "busybox", "ls", "/host"))
  1244  	if err != nil {
  1245  		c.Fatalf("Failed with errors: %s, %v", out, err)
  1246  	}
  1247  }
  1248  
  1249  func (s *DockerSuite) TestRunDisallowBindMountingRootToRoot(c *check.C) {
  1250  	cmd := exec.Command(dockerBinary, "run", "-v", "/:/", "busybox", "ls", "/host")
  1251  	out, _, err := runCommandWithOutput(cmd)
  1252  	if err == nil {
  1253  		c.Fatal(out, err)
  1254  	}
  1255  }
  1256  
  1257  // Verify that a container gets default DNS when only localhost resolvers exist
  1258  func (s *DockerSuite) TestRunDnsDefaultOptions(c *check.C) {
  1259  	testRequires(c, SameHostDaemon)
  1260  
  1261  	// preserve original resolv.conf for restoring after test
  1262  	origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1263  	if os.IsNotExist(err) {
  1264  		c.Fatalf("/etc/resolv.conf does not exist")
  1265  	}
  1266  	// defer restored original conf
  1267  	defer func() {
  1268  		if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  1269  			c.Fatal(err)
  1270  		}
  1271  	}()
  1272  
  1273  	// test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost
  1274  	// 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by
  1275  	// GetNameservers(), leading to a replacement of nameservers with the default set
  1276  	tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1")
  1277  	if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  1278  		c.Fatal(err)
  1279  	}
  1280  
  1281  	cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
  1282  
  1283  	actual, _, err := runCommandWithOutput(cmd)
  1284  	if err != nil {
  1285  		c.Fatal(err, actual)
  1286  	}
  1287  
  1288  	// check that the actual defaults are appended to the commented out
  1289  	// localhost resolver (which should be preserved)
  1290  	// NOTE: if we ever change the defaults from google dns, this will break
  1291  	expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
  1292  	if actual != expected {
  1293  		c.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual)
  1294  	}
  1295  }
  1296  
  1297  func (s *DockerSuite) TestRunDnsOptions(c *check.C) {
  1298  	cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  1299  
  1300  	out, stderr, _, err := runCommandWithStdoutStderr(cmd)
  1301  	if err != nil {
  1302  		c.Fatal(err, out)
  1303  	}
  1304  
  1305  	// The client will get a warning on stderr when setting DNS to a localhost address; verify this:
  1306  	if !strings.Contains(stderr, "Localhost DNS setting") {
  1307  		c.Fatalf("Expected warning on stderr about localhost resolver, but got %q", stderr)
  1308  	}
  1309  
  1310  	actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
  1311  	if actual != "nameserver 127.0.0.1 search mydomain" {
  1312  		c.Fatalf("expected 'nameserver 127.0.0.1 search mydomain', but says: %q", actual)
  1313  	}
  1314  
  1315  	cmd = exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=.", "busybox", "cat", "/etc/resolv.conf")
  1316  
  1317  	out, _, _, err = runCommandWithStdoutStderr(cmd)
  1318  	if err != nil {
  1319  		c.Fatal(err, out)
  1320  	}
  1321  
  1322  	actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1)
  1323  	if actual != "nameserver 127.0.0.1" {
  1324  		c.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual)
  1325  	}
  1326  }
  1327  
  1328  func (s *DockerSuite) TestRunDnsOptionsBasedOnHostResolvConf(c *check.C) {
  1329  	testRequires(c, SameHostDaemon)
  1330  
  1331  	origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1332  	if os.IsNotExist(err) {
  1333  		c.Fatalf("/etc/resolv.conf does not exist")
  1334  	}
  1335  
  1336  	hostNamservers := resolvconf.GetNameservers(origResolvConf)
  1337  	hostSearch := resolvconf.GetSearchDomains(origResolvConf)
  1338  
  1339  	var out string
  1340  	cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf")
  1341  	if out, _, _, err = runCommandWithStdoutStderr(cmd); err != nil {
  1342  		c.Fatal(err, out)
  1343  	}
  1344  
  1345  	if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" {
  1346  		c.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0]))
  1347  	}
  1348  
  1349  	actualSearch := resolvconf.GetSearchDomains([]byte(out))
  1350  	if len(actualSearch) != len(hostSearch) {
  1351  		c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  1352  	}
  1353  	for i := range actualSearch {
  1354  		if actualSearch[i] != hostSearch[i] {
  1355  			c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  1356  		}
  1357  	}
  1358  
  1359  	cmd = exec.Command(dockerBinary, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  1360  
  1361  	if out, _, err = runCommandWithOutput(cmd); err != nil {
  1362  		c.Fatal(err, out)
  1363  	}
  1364  
  1365  	actualNameservers := resolvconf.GetNameservers([]byte(out))
  1366  	if len(actualNameservers) != len(hostNamservers) {
  1367  		c.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers))
  1368  	}
  1369  	for i := range actualNameservers {
  1370  		if actualNameservers[i] != hostNamservers[i] {
  1371  			c.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i])
  1372  		}
  1373  	}
  1374  
  1375  	if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" {
  1376  		c.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0]))
  1377  	}
  1378  
  1379  	// test with file
  1380  	tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1")
  1381  	if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  1382  		c.Fatal(err)
  1383  	}
  1384  	// put the old resolvconf back
  1385  	defer func() {
  1386  		if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  1387  			c.Fatal(err)
  1388  		}
  1389  	}()
  1390  
  1391  	resolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1392  	if os.IsNotExist(err) {
  1393  		c.Fatalf("/etc/resolv.conf does not exist")
  1394  	}
  1395  
  1396  	hostNamservers = resolvconf.GetNameservers(resolvConf)
  1397  	hostSearch = resolvconf.GetSearchDomains(resolvConf)
  1398  
  1399  	cmd = exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
  1400  
  1401  	if out, _, err = runCommandWithOutput(cmd); err != nil {
  1402  		c.Fatal(err, out)
  1403  	}
  1404  
  1405  	if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 {
  1406  		c.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers)
  1407  	}
  1408  
  1409  	actualSearch = resolvconf.GetSearchDomains([]byte(out))
  1410  	if len(actualSearch) != len(hostSearch) {
  1411  		c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  1412  	}
  1413  	for i := range actualSearch {
  1414  		if actualSearch[i] != hostSearch[i] {
  1415  			c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  1416  		}
  1417  	}
  1418  }
  1419  
  1420  // Test the file watch notifier on docker host's /etc/resolv.conf
  1421  // A go-routine is responsible for auto-updating containers which are
  1422  // stopped and have an unmodified copy of resolv.conf, as well as
  1423  // marking running containers as requiring an update on next restart
  1424  func (s *DockerSuite) TestRunResolvconfUpdater(c *check.C) {
  1425  	// Because overlay doesn't support inotify properly, we need to skip
  1426  	// this test if the docker daemon has Storage Driver == overlay
  1427  	testRequires(c, SameHostDaemon, NotOverlay)
  1428  
  1429  	tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78")
  1430  	tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1")
  1431  
  1432  	//take a copy of resolv.conf for restoring after test completes
  1433  	resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
  1434  	if err != nil {
  1435  		c.Fatal(err)
  1436  	}
  1437  
  1438  	// This test case is meant to test monitoring resolv.conf when it is
  1439  	// a regular file not a bind mounc. So we unmount resolv.conf and replace
  1440  	// it with a file containing the original settings.
  1441  	cmd := exec.Command("umount", "/etc/resolv.conf")
  1442  	if _, err = runCommand(cmd); err != nil {
  1443  		c.Fatal(err)
  1444  	}
  1445  
  1446  	//cleanup
  1447  	defer func() {
  1448  		if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1449  			c.Fatal(err)
  1450  		}
  1451  	}()
  1452  
  1453  	//1. test that a non-running container gets an updated resolv.conf
  1454  	cmd = exec.Command(dockerBinary, "run", "--name='first'", "busybox", "true")
  1455  	if _, err := runCommand(cmd); err != nil {
  1456  		c.Fatal(err)
  1457  	}
  1458  	containerID1, err := getIDByName("first")
  1459  	if err != nil {
  1460  		c.Fatal(err)
  1461  	}
  1462  
  1463  	// replace resolv.conf with our temporary copy
  1464  	bytesResolvConf := []byte(tmpResolvConf)
  1465  	if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1466  		c.Fatal(err)
  1467  	}
  1468  
  1469  	time.Sleep(time.Second / 2)
  1470  	// check for update in container
  1471  	containerResolv, err := readContainerFile(containerID1, "resolv.conf")
  1472  	if err != nil {
  1473  		c.Fatal(err)
  1474  	}
  1475  	if !bytes.Equal(containerResolv, bytesResolvConf) {
  1476  		c.Fatalf("Stopped container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
  1477  	}
  1478  
  1479  	//2. test that a non-running container does not receive resolv.conf updates
  1480  	//   if it modified the container copy of the starting point resolv.conf
  1481  	cmd = exec.Command(dockerBinary, "run", "--name='second'", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf")
  1482  	if _, err = runCommand(cmd); err != nil {
  1483  		c.Fatal(err)
  1484  	}
  1485  	containerID2, err := getIDByName("second")
  1486  	if err != nil {
  1487  		c.Fatal(err)
  1488  	}
  1489  	containerResolvHashBefore, err := readContainerFile(containerID2, "resolv.conf.hash")
  1490  	if err != nil {
  1491  		c.Fatal(err)
  1492  	}
  1493  
  1494  	//make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
  1495  	if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1496  		c.Fatal(err)
  1497  	}
  1498  
  1499  	time.Sleep(time.Second / 2)
  1500  	containerResolvHashAfter, err := readContainerFile(containerID2, "resolv.conf.hash")
  1501  	if err != nil {
  1502  		c.Fatal(err)
  1503  	}
  1504  
  1505  	if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
  1506  		c.Fatalf("Stopped container with modified resolv.conf should not have been updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
  1507  	}
  1508  
  1509  	//3. test that a running container's resolv.conf is not modified while running
  1510  	cmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  1511  	out, _, err := runCommandWithOutput(cmd)
  1512  	if err != nil {
  1513  		c.Fatal(err)
  1514  	}
  1515  	runningContainerID := strings.TrimSpace(out)
  1516  
  1517  	containerResolvHashBefore, err = readContainerFile(runningContainerID, "resolv.conf.hash")
  1518  	if err != nil {
  1519  		c.Fatal(err)
  1520  	}
  1521  
  1522  	// replace resolv.conf
  1523  	if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1524  		c.Fatal(err)
  1525  	}
  1526  
  1527  	// make sure the updater has time to run to validate we really aren't
  1528  	// getting updated
  1529  	time.Sleep(time.Second / 2)
  1530  	containerResolvHashAfter, err = readContainerFile(runningContainerID, "resolv.conf.hash")
  1531  	if err != nil {
  1532  		c.Fatal(err)
  1533  	}
  1534  
  1535  	if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
  1536  		c.Fatalf("Running container's resolv.conf should not be updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
  1537  	}
  1538  
  1539  	//4. test that a running container's resolv.conf is updated upon restart
  1540  	//   (the above container is still running..)
  1541  	cmd = exec.Command(dockerBinary, "restart", runningContainerID)
  1542  	if _, err = runCommand(cmd); err != nil {
  1543  		c.Fatal(err)
  1544  	}
  1545  
  1546  	// check for update in container
  1547  	containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
  1548  	if err != nil {
  1549  		c.Fatal(err)
  1550  	}
  1551  	if !bytes.Equal(containerResolv, bytesResolvConf) {
  1552  		c.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
  1553  	}
  1554  
  1555  	//5. test that additions of a localhost resolver are cleaned from
  1556  	//   host resolv.conf before updating container's resolv.conf copies
  1557  
  1558  	// replace resolv.conf with a localhost-only nameserver copy
  1559  	bytesResolvConf = []byte(tmpLocalhostResolvConf)
  1560  	if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1561  		c.Fatal(err)
  1562  	}
  1563  
  1564  	time.Sleep(time.Second / 2)
  1565  	// our first exited container ID should have been updated, but with default DNS
  1566  	// after the cleanup of resolv.conf found only a localhost nameserver:
  1567  	containerResolv, err = readContainerFile(containerID1, "resolv.conf")
  1568  	if err != nil {
  1569  		c.Fatal(err)
  1570  	}
  1571  
  1572  	expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
  1573  	if !bytes.Equal(containerResolv, []byte(expected)) {
  1574  		c.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv))
  1575  	}
  1576  
  1577  	//6. Test that replacing (as opposed to modifying) resolv.conf triggers an update
  1578  	//   of containers' resolv.conf.
  1579  
  1580  	// Restore the original resolv.conf
  1581  	if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1582  		c.Fatal(err)
  1583  	}
  1584  
  1585  	// Run the container so it picks up the old settings
  1586  	cmd = exec.Command(dockerBinary, "run", "--name='third'", "busybox", "true")
  1587  	if _, err := runCommand(cmd); err != nil {
  1588  		c.Fatal(err)
  1589  	}
  1590  	containerID3, err := getIDByName("third")
  1591  	if err != nil {
  1592  		c.Fatal(err)
  1593  	}
  1594  
  1595  	// Create a modified resolv.conf.aside and override resolv.conf with it
  1596  	bytesResolvConf = []byte(tmpResolvConf)
  1597  	if err := ioutil.WriteFile("/etc/resolv.conf.aside", bytesResolvConf, 0644); err != nil {
  1598  		c.Fatal(err)
  1599  	}
  1600  
  1601  	err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf")
  1602  	if err != nil {
  1603  		c.Fatal(err)
  1604  	}
  1605  
  1606  	time.Sleep(time.Second / 2)
  1607  	// check for update in container
  1608  	containerResolv, err = readContainerFile(containerID3, "resolv.conf")
  1609  	if err != nil {
  1610  		c.Fatal(err)
  1611  	}
  1612  	if !bytes.Equal(containerResolv, bytesResolvConf) {
  1613  		c.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv))
  1614  	}
  1615  
  1616  	//cleanup, restore original resolv.conf happens in defer func()
  1617  }
  1618  
  1619  func (s *DockerSuite) TestRunAddHost(c *check.C) {
  1620  	cmd := exec.Command(dockerBinary, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts")
  1621  
  1622  	out, _, err := runCommandWithOutput(cmd)
  1623  	if err != nil {
  1624  		c.Fatal(err, out)
  1625  	}
  1626  
  1627  	actual := strings.Trim(out, "\r\n")
  1628  	if actual != "86.75.30.9\textra" {
  1629  		c.Fatalf("expected '86.75.30.9\textra', but says: %q", actual)
  1630  	}
  1631  }
  1632  
  1633  // Regression test for #6983
  1634  func (s *DockerSuite) TestRunAttachStdErrOnlyTTYMode(c *check.C) {
  1635  	cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stderr", "busybox", "true")
  1636  	exitCode, err := runCommand(cmd)
  1637  	if err != nil {
  1638  		c.Fatal(err)
  1639  	} else if exitCode != 0 {
  1640  		c.Fatalf("Container should have exited with error code 0")
  1641  	}
  1642  }
  1643  
  1644  // Regression test for #6983
  1645  func (s *DockerSuite) TestRunAttachStdOutOnlyTTYMode(c *check.C) {
  1646  	cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "busybox", "true")
  1647  
  1648  	exitCode, err := runCommand(cmd)
  1649  	if err != nil {
  1650  		c.Fatal(err)
  1651  	} else if exitCode != 0 {
  1652  		c.Fatalf("Container should have exited with error code 0")
  1653  	}
  1654  }
  1655  
  1656  // Regression test for #6983
  1657  func (s *DockerSuite) TestRunAttachStdOutAndErrTTYMode(c *check.C) {
  1658  	cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true")
  1659  	exitCode, err := runCommand(cmd)
  1660  	if err != nil {
  1661  		c.Fatal(err)
  1662  	} else if exitCode != 0 {
  1663  		c.Fatalf("Container should have exited with error code 0")
  1664  	}
  1665  }
  1666  
  1667  // Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode
  1668  // but using --attach instead of -a to make sure we read the flag correctly
  1669  func (s *DockerSuite) TestRunAttachWithDettach(c *check.C) {
  1670  	cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true")
  1671  	_, stderr, _, err := runCommandWithStdoutStderr(cmd)
  1672  	if err == nil {
  1673  		c.Fatal("Container should have exited with error code different than 0")
  1674  	} else if !strings.Contains(stderr, "Conflicting options: -a and -d") {
  1675  		c.Fatal("Should have been returned an error with conflicting options -a and -d")
  1676  	}
  1677  }
  1678  
  1679  func (s *DockerSuite) TestRunState(c *check.C) {
  1680  	cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  1681  
  1682  	out, _, err := runCommandWithOutput(cmd)
  1683  	if err != nil {
  1684  		c.Fatal(err, out)
  1685  	}
  1686  	id := strings.TrimSpace(out)
  1687  	state, err := inspectField(id, "State.Running")
  1688  	if err != nil {
  1689  		c.Fatal(err)
  1690  	}
  1691  	if state != "true" {
  1692  		c.Fatal("Container state is 'not running'")
  1693  	}
  1694  	pid1, err := inspectField(id, "State.Pid")
  1695  	if err != nil {
  1696  		c.Fatal(err)
  1697  	}
  1698  	if pid1 == "0" {
  1699  		c.Fatal("Container state Pid 0")
  1700  	}
  1701  
  1702  	cmd = exec.Command(dockerBinary, "stop", id)
  1703  	out, _, err = runCommandWithOutput(cmd)
  1704  	if err != nil {
  1705  		c.Fatal(err, out)
  1706  	}
  1707  	state, err = inspectField(id, "State.Running")
  1708  	if err != nil {
  1709  		c.Fatal(err)
  1710  	}
  1711  	if state != "false" {
  1712  		c.Fatal("Container state is 'running'")
  1713  	}
  1714  	pid2, err := inspectField(id, "State.Pid")
  1715  	if err != nil {
  1716  		c.Fatal(err)
  1717  	}
  1718  	if pid2 == pid1 {
  1719  		c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1720  	}
  1721  
  1722  	cmd = exec.Command(dockerBinary, "start", id)
  1723  	out, _, err = runCommandWithOutput(cmd)
  1724  	if err != nil {
  1725  		c.Fatal(err, out)
  1726  	}
  1727  	state, err = inspectField(id, "State.Running")
  1728  	if err != nil {
  1729  		c.Fatal(err)
  1730  	}
  1731  	if state != "true" {
  1732  		c.Fatal("Container state is 'not running'")
  1733  	}
  1734  	pid3, err := inspectField(id, "State.Pid")
  1735  	if err != nil {
  1736  		c.Fatal(err)
  1737  	}
  1738  	if pid3 == pid1 {
  1739  		c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1740  	}
  1741  }
  1742  
  1743  // Test for #1737
  1744  func (s *DockerSuite) TestRunCopyVolumeUidGid(c *check.C) {
  1745  	name := "testrunvolumesuidgid"
  1746  	_, err := buildImage(name,
  1747  		`FROM busybox
  1748  		RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
  1749  		RUN echo 'dockerio:x:1001:' >> /etc/group
  1750  		RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`,
  1751  		true)
  1752  	if err != nil {
  1753  		c.Fatal(err)
  1754  	}
  1755  
  1756  	// Test that the uid and gid is copied from the image to the volume
  1757  	cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'")
  1758  	out, _, err := runCommandWithOutput(cmd)
  1759  	if err != nil {
  1760  		c.Fatal(err, out)
  1761  	}
  1762  	out = strings.TrimSpace(out)
  1763  	if out != "dockerio:dockerio" {
  1764  		c.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out)
  1765  	}
  1766  }
  1767  
  1768  // Test for #1582
  1769  func (s *DockerSuite) TestRunCopyVolumeContent(c *check.C) {
  1770  	name := "testruncopyvolumecontent"
  1771  	_, err := buildImage(name,
  1772  		`FROM busybox
  1773  		RUN mkdir -p /hello/local && echo hello > /hello/local/world`,
  1774  		true)
  1775  	if err != nil {
  1776  		c.Fatal(err)
  1777  	}
  1778  
  1779  	// Test that the content is copied from the image to the volume
  1780  	cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "find", "/hello")
  1781  	out, _, err := runCommandWithOutput(cmd)
  1782  	if err != nil {
  1783  		c.Fatal(err, out)
  1784  	}
  1785  	if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) {
  1786  		c.Fatal("Container failed to transfer content to volume")
  1787  	}
  1788  }
  1789  
  1790  func (s *DockerSuite) TestRunCleanupCmdOnEntrypoint(c *check.C) {
  1791  	name := "testrunmdcleanuponentrypoint"
  1792  	if _, err := buildImage(name,
  1793  		`FROM busybox
  1794  		ENTRYPOINT ["echo"]
  1795          CMD ["testingpoint"]`,
  1796  		true); err != nil {
  1797  		c.Fatal(err)
  1798  	}
  1799  	runCmd := exec.Command(dockerBinary, "run", "--entrypoint", "whoami", name)
  1800  	out, exit, err := runCommandWithOutput(runCmd)
  1801  	if err != nil {
  1802  		c.Fatalf("Error: %v, out: %q", err, out)
  1803  	}
  1804  	if exit != 0 {
  1805  		c.Fatalf("expected exit code 0 received %d, out: %q", exit, out)
  1806  	}
  1807  	out = strings.TrimSpace(out)
  1808  	if out != "root" {
  1809  		c.Fatalf("Expected output root, got %q", out)
  1810  	}
  1811  }
  1812  
  1813  // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
  1814  func (s *DockerSuite) TestRunWorkdirExistsAndIsFile(c *check.C) {
  1815  	runCmd := exec.Command(dockerBinary, "run", "-w", "/bin/cat", "busybox")
  1816  	out, exit, err := runCommandWithOutput(runCmd)
  1817  	if !(err != nil && exit == 1 && strings.Contains(out, "Cannot mkdir: /bin/cat is not a directory")) {
  1818  		c.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err)
  1819  	}
  1820  }
  1821  
  1822  func (s *DockerSuite) TestRunExitOnStdinClose(c *check.C) {
  1823  	name := "testrunexitonstdinclose"
  1824  	runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat")
  1825  
  1826  	stdin, err := runCmd.StdinPipe()
  1827  	if err != nil {
  1828  		c.Fatal(err)
  1829  	}
  1830  	stdout, err := runCmd.StdoutPipe()
  1831  	if err != nil {
  1832  		c.Fatal(err)
  1833  	}
  1834  
  1835  	if err := runCmd.Start(); err != nil {
  1836  		c.Fatal(err)
  1837  	}
  1838  	if _, err := stdin.Write([]byte("hello\n")); err != nil {
  1839  		c.Fatal(err)
  1840  	}
  1841  
  1842  	r := bufio.NewReader(stdout)
  1843  	line, err := r.ReadString('\n')
  1844  	if err != nil {
  1845  		c.Fatal(err)
  1846  	}
  1847  	line = strings.TrimSpace(line)
  1848  	if line != "hello" {
  1849  		c.Fatalf("Output should be 'hello', got '%q'", line)
  1850  	}
  1851  	if err := stdin.Close(); err != nil {
  1852  		c.Fatal(err)
  1853  	}
  1854  	finish := make(chan struct{})
  1855  	go func() {
  1856  		if err := runCmd.Wait(); err != nil {
  1857  			c.Fatal(err)
  1858  		}
  1859  		close(finish)
  1860  	}()
  1861  	select {
  1862  	case <-finish:
  1863  	case <-time.After(1 * time.Second):
  1864  		c.Fatal("docker run failed to exit on stdin close")
  1865  	}
  1866  	state, err := inspectField(name, "State.Running")
  1867  	if err != nil {
  1868  		c.Fatal(err)
  1869  	}
  1870  	if state != "false" {
  1871  		c.Fatal("Container must be stopped after stdin closing")
  1872  	}
  1873  }
  1874  
  1875  // Test for #2267
  1876  func (s *DockerSuite) TestRunWriteHostsFileAndNotCommit(c *check.C) {
  1877  	name := "writehosts"
  1878  	cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts")
  1879  	out, _, err := runCommandWithOutput(cmd)
  1880  	if err != nil {
  1881  		c.Fatal(err, out)
  1882  	}
  1883  	if !strings.Contains(out, "test2267") {
  1884  		c.Fatal("/etc/hosts should contain 'test2267'")
  1885  	}
  1886  
  1887  	cmd = exec.Command(dockerBinary, "diff", name)
  1888  	if err != nil {
  1889  		c.Fatal(err, out)
  1890  	}
  1891  	out, _, err = runCommandWithOutput(cmd)
  1892  	if err != nil {
  1893  		c.Fatal(err, out)
  1894  	}
  1895  
  1896  	if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1897  		c.Fatal("diff should be empty")
  1898  	}
  1899  }
  1900  
  1901  func eqToBaseDiff(out string, c *check.C) bool {
  1902  	cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "hello")
  1903  	out1, _, err := runCommandWithOutput(cmd)
  1904  	cID := strings.TrimSpace(out1)
  1905  	cmd = exec.Command(dockerBinary, "diff", cID)
  1906  	baseDiff, _, err := runCommandWithOutput(cmd)
  1907  	if err != nil {
  1908  		c.Fatal(err, baseDiff)
  1909  	}
  1910  	baseArr := strings.Split(baseDiff, "\n")
  1911  	sort.Strings(baseArr)
  1912  	outArr := strings.Split(out, "\n")
  1913  	sort.Strings(outArr)
  1914  	return sliceEq(baseArr, outArr)
  1915  }
  1916  
  1917  func sliceEq(a, b []string) bool {
  1918  	if len(a) != len(b) {
  1919  		return false
  1920  	}
  1921  
  1922  	for i := range a {
  1923  		if a[i] != b[i] {
  1924  			return false
  1925  		}
  1926  	}
  1927  
  1928  	return true
  1929  }
  1930  
  1931  // Test for #2267
  1932  func (s *DockerSuite) TestRunWriteHostnameFileAndNotCommit(c *check.C) {
  1933  	name := "writehostname"
  1934  	cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname")
  1935  	out, _, err := runCommandWithOutput(cmd)
  1936  	if err != nil {
  1937  		c.Fatal(err, out)
  1938  	}
  1939  	if !strings.Contains(out, "test2267") {
  1940  		c.Fatal("/etc/hostname should contain 'test2267'")
  1941  	}
  1942  
  1943  	cmd = exec.Command(dockerBinary, "diff", name)
  1944  	if err != nil {
  1945  		c.Fatal(err, out)
  1946  	}
  1947  	out, _, err = runCommandWithOutput(cmd)
  1948  	if err != nil {
  1949  		c.Fatal(err, out)
  1950  	}
  1951  	if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1952  		c.Fatal("diff should be empty")
  1953  	}
  1954  }
  1955  
  1956  // Test for #2267
  1957  func (s *DockerSuite) TestRunWriteResolvFileAndNotCommit(c *check.C) {
  1958  	name := "writeresolv"
  1959  	cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf")
  1960  	out, _, err := runCommandWithOutput(cmd)
  1961  	if err != nil {
  1962  		c.Fatal(err, out)
  1963  	}
  1964  	if !strings.Contains(out, "test2267") {
  1965  		c.Fatal("/etc/resolv.conf should contain 'test2267'")
  1966  	}
  1967  
  1968  	cmd = exec.Command(dockerBinary, "diff", name)
  1969  	if err != nil {
  1970  		c.Fatal(err, out)
  1971  	}
  1972  	out, _, err = runCommandWithOutput(cmd)
  1973  	if err != nil {
  1974  		c.Fatal(err, out)
  1975  	}
  1976  	if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1977  		c.Fatal("diff should be empty")
  1978  	}
  1979  }
  1980  
  1981  func (s *DockerSuite) TestRunWithBadDevice(c *check.C) {
  1982  	name := "baddevice"
  1983  	cmd := exec.Command(dockerBinary, "run", "--name", name, "--device", "/etc", "busybox", "true")
  1984  	out, _, err := runCommandWithOutput(cmd)
  1985  	if err == nil {
  1986  		c.Fatal("Run should fail with bad device")
  1987  	}
  1988  	expected := `\"/etc\": not a device node`
  1989  	if !strings.Contains(out, expected) {
  1990  		c.Fatalf("Output should contain %q, actual out: %q", expected, out)
  1991  	}
  1992  }
  1993  
  1994  func (s *DockerSuite) TestRunEntrypoint(c *check.C) {
  1995  	name := "entrypoint"
  1996  	cmd := exec.Command(dockerBinary, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar")
  1997  	out, _, err := runCommandWithOutput(cmd)
  1998  	if err != nil {
  1999  		c.Fatal(err, out)
  2000  	}
  2001  	expected := "foobar"
  2002  	if out != expected {
  2003  		c.Fatalf("Output should be %q, actual out: %q", expected, out)
  2004  	}
  2005  }
  2006  
  2007  func (s *DockerSuite) TestRunBindMounts(c *check.C) {
  2008  	testRequires(c, SameHostDaemon)
  2009  
  2010  	tmpDir, err := ioutil.TempDir("", "docker-test-container")
  2011  	if err != nil {
  2012  		c.Fatal(err)
  2013  	}
  2014  
  2015  	defer os.RemoveAll(tmpDir)
  2016  	writeFile(path.Join(tmpDir, "touch-me"), "", c)
  2017  
  2018  	// Test reading from a read-only bind mount
  2019  	cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox", "ls", "/tmp")
  2020  	out, _, err := runCommandWithOutput(cmd)
  2021  	if err != nil {
  2022  		c.Fatal(err, out)
  2023  	}
  2024  	if !strings.Contains(out, "touch-me") {
  2025  		c.Fatal("Container failed to read from bind mount")
  2026  	}
  2027  
  2028  	// test writing to bind mount
  2029  	cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla")
  2030  	out, _, err = runCommandWithOutput(cmd)
  2031  	if err != nil {
  2032  		c.Fatal(err, out)
  2033  	}
  2034  	readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  2035  
  2036  	// test mounting to an illegal destination directory
  2037  	cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".")
  2038  	_, err = runCommand(cmd)
  2039  	if err == nil {
  2040  		c.Fatal("Container bind mounted illegal directory")
  2041  	}
  2042  
  2043  	// test mount a file
  2044  	cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla")
  2045  	_, err = runCommand(cmd)
  2046  	if err != nil {
  2047  		c.Fatal(err, out)
  2048  	}
  2049  	content := readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  2050  	expected := "yotta"
  2051  	if content != expected {
  2052  		c.Fatalf("Output should be %q, actual out: %q", expected, content)
  2053  	}
  2054  }
  2055  
  2056  // Ensure that CIDFile gets deleted if it's empty
  2057  // Perform this test by making `docker run` fail
  2058  func (s *DockerSuite) TestRunCidFileCleanupIfEmpty(c *check.C) {
  2059  	tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  2060  	if err != nil {
  2061  		c.Fatal(err)
  2062  	}
  2063  	defer os.RemoveAll(tmpDir)
  2064  	tmpCidFile := path.Join(tmpDir, "cid")
  2065  	cmd := exec.Command(dockerBinary, "run", "--cidfile", tmpCidFile, "emptyfs")
  2066  	out, _, err := runCommandWithOutput(cmd)
  2067  	if err == nil {
  2068  		c.Fatalf("Run without command must fail. out=%s", out)
  2069  	} else if !strings.Contains(out, "No command specified") {
  2070  		c.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err)
  2071  	}
  2072  
  2073  	if _, err := os.Stat(tmpCidFile); err == nil {
  2074  		c.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile)
  2075  	}
  2076  }
  2077  
  2078  // #2098 - Docker cidFiles only contain short version of the containerId
  2079  //sudo docker run --cidfile /tmp/docker_tesc.cid ubuntu echo "test"
  2080  // TestRunCidFile tests that run --cidfile returns the longid
  2081  func (s *DockerSuite) TestRunCidFileCheckIDLength(c *check.C) {
  2082  	tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  2083  	if err != nil {
  2084  		c.Fatal(err)
  2085  	}
  2086  	tmpCidFile := path.Join(tmpDir, "cid")
  2087  	defer os.RemoveAll(tmpDir)
  2088  	cmd := exec.Command(dockerBinary, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true")
  2089  	out, _, err := runCommandWithOutput(cmd)
  2090  	if err != nil {
  2091  		c.Fatal(err)
  2092  	}
  2093  	id := strings.TrimSpace(out)
  2094  	buffer, err := ioutil.ReadFile(tmpCidFile)
  2095  	if err != nil {
  2096  		c.Fatal(err)
  2097  	}
  2098  	cid := string(buffer)
  2099  	if len(cid) != 64 {
  2100  		c.Fatalf("--cidfile should be a long id, not %q", id)
  2101  	}
  2102  	if cid != id {
  2103  		c.Fatalf("cid must be equal to %s, got %s", id, cid)
  2104  	}
  2105  }
  2106  
  2107  func (s *DockerSuite) TestRunNetworkNotInitializedNoneMode(c *check.C) {
  2108  	cmd := exec.Command(dockerBinary, "run", "-d", "--net=none", "busybox", "top")
  2109  	out, _, err := runCommandWithOutput(cmd)
  2110  	if err != nil {
  2111  		c.Fatal(err)
  2112  	}
  2113  	id := strings.TrimSpace(out)
  2114  	res, err := inspectField(id, "NetworkSettings.IPAddress")
  2115  	if err != nil {
  2116  		c.Fatal(err)
  2117  	}
  2118  	if res != "" {
  2119  		c.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res)
  2120  	}
  2121  }
  2122  
  2123  func (s *DockerSuite) TestRunSetMacAddress(c *check.C) {
  2124  	mac := "12:34:56:78:9a:bc"
  2125  
  2126  	cmd := exec.Command(dockerBinary, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'")
  2127  	out, ec, err := runCommandWithOutput(cmd)
  2128  	if err != nil {
  2129  		c.Fatalf("exec failed:\nexit code=%v\noutput=%s", ec, out)
  2130  	}
  2131  	actualMac := strings.TrimSpace(out)
  2132  	if actualMac != mac {
  2133  		c.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac)
  2134  	}
  2135  }
  2136  
  2137  func (s *DockerSuite) TestRunInspectMacAddress(c *check.C) {
  2138  	mac := "12:34:56:78:9a:bc"
  2139  	cmd := exec.Command(dockerBinary, "run", "-d", "--mac-address="+mac, "busybox", "top")
  2140  	out, _, err := runCommandWithOutput(cmd)
  2141  	if err != nil {
  2142  		c.Fatal(err)
  2143  	}
  2144  	id := strings.TrimSpace(out)
  2145  	inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress")
  2146  	if err != nil {
  2147  		c.Fatal(err)
  2148  	}
  2149  	if inspectedMac != mac {
  2150  		c.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac)
  2151  	}
  2152  }
  2153  
  2154  // test docker run use a invalid mac address
  2155  func (s *DockerSuite) TestRunWithInvalidMacAddress(c *check.C) {
  2156  	runCmd := exec.Command(dockerBinary, "run", "--mac-address", "92:d0:c6:0a:29", "busybox")
  2157  	out, _, err := runCommandWithOutput(runCmd)
  2158  	//use a invalid mac address should with a error out
  2159  	if err == nil || !strings.Contains(out, "is not a valid mac address") {
  2160  		c.Fatalf("run with an invalid --mac-address should with error out")
  2161  	}
  2162  }
  2163  
  2164  func (s *DockerSuite) TestRunDeallocatePortOnMissingIptablesRule(c *check.C) {
  2165  	testRequires(c, SameHostDaemon)
  2166  
  2167  	cmd := exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
  2168  	out, _, err := runCommandWithOutput(cmd)
  2169  	if err != nil {
  2170  		c.Fatal(err)
  2171  	}
  2172  	id := strings.TrimSpace(out)
  2173  	ip, err := inspectField(id, "NetworkSettings.IPAddress")
  2174  	if err != nil {
  2175  		c.Fatal(err)
  2176  	}
  2177  	iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip),
  2178  		"!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT")
  2179  	out, _, err = runCommandWithOutput(iptCmd)
  2180  	if err != nil {
  2181  		c.Fatal(err, out)
  2182  	}
  2183  	if err := deleteContainer(id); err != nil {
  2184  		c.Fatal(err)
  2185  	}
  2186  	cmd = exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
  2187  	out, _, err = runCommandWithOutput(cmd)
  2188  	if err != nil {
  2189  		c.Fatal(err, out)
  2190  	}
  2191  }
  2192  
  2193  func (s *DockerSuite) TestRunPortInUse(c *check.C) {
  2194  	testRequires(c, SameHostDaemon)
  2195  
  2196  	port := "1234"
  2197  	l, err := net.Listen("tcp", ":"+port)
  2198  	if err != nil {
  2199  		c.Fatal(err)
  2200  	}
  2201  	defer l.Close()
  2202  	cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
  2203  	out, _, err := runCommandWithOutput(cmd)
  2204  	if err == nil {
  2205  		c.Fatalf("Binding on used port must fail")
  2206  	}
  2207  	if !strings.Contains(out, "address already in use") {
  2208  		c.Fatalf("Out must be about \"address already in use\", got %s", out)
  2209  	}
  2210  }
  2211  
  2212  // https://github.com/docker/docker/issues/8428
  2213  func (s *DockerSuite) TestRunPortProxy(c *check.C) {
  2214  	testRequires(c, SameHostDaemon)
  2215  
  2216  	port := "12345"
  2217  	cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
  2218  
  2219  	out, _, err := runCommandWithOutput(cmd)
  2220  	if err != nil {
  2221  		c.Fatalf("Failed to run and bind port %s, output: %s, error: %s", port, out, err)
  2222  	}
  2223  
  2224  	// connett for 10 times here. This will trigger 10 EPIPES in the child
  2225  	// process and kill it when it writes to a closed stdout/stderr
  2226  	for i := 0; i < 10; i++ {
  2227  		net.Dial("tcp", fmt.Sprintf("0.0.0.0:%s", port))
  2228  	}
  2229  
  2230  	listPs := exec.Command("sh", "-c", "ps ax | grep docker")
  2231  	out, _, err = runCommandWithOutput(listPs)
  2232  	if err != nil {
  2233  		c.Errorf("list docker process failed with output %s, error %s", out, err)
  2234  	}
  2235  	if strings.Contains(out, "docker <defunct>") {
  2236  		c.Errorf("Unexpected defunct docker process")
  2237  	}
  2238  	if !strings.Contains(out, "docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 12345") {
  2239  		c.Errorf("Failed to find docker-proxy process, got %s", out)
  2240  	}
  2241  }
  2242  
  2243  // Regression test for #7792
  2244  func (s *DockerSuite) TestRunMountOrdering(c *check.C) {
  2245  	testRequires(c, SameHostDaemon)
  2246  
  2247  	tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test")
  2248  	if err != nil {
  2249  		c.Fatal(err)
  2250  	}
  2251  	defer os.RemoveAll(tmpDir)
  2252  
  2253  	tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2")
  2254  	if err != nil {
  2255  		c.Fatal(err)
  2256  	}
  2257  	defer os.RemoveAll(tmpDir2)
  2258  
  2259  	// Create a temporary tmpfs mounc.
  2260  	fooDir := filepath.Join(tmpDir, "foo")
  2261  	if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil {
  2262  		c.Fatalf("failed to mkdir at %s - %s", fooDir, err)
  2263  	}
  2264  
  2265  	if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil {
  2266  		c.Fatal(err)
  2267  	}
  2268  
  2269  	if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil {
  2270  		c.Fatal(err)
  2271  	}
  2272  
  2273  	if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil {
  2274  		c.Fatal(err)
  2275  	}
  2276  
  2277  	cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp", tmpDir), "-v", fmt.Sprintf("%s:/tmp/foo", fooDir), "-v", fmt.Sprintf("%s:/tmp/tmp2", tmpDir2), "-v", fmt.Sprintf("%s:/tmp/tmp2/foo", fooDir), "busybox:latest", "sh", "-c", "ls /tmp/touch-me && ls /tmp/foo/touch-me && ls /tmp/tmp2/touch-me && ls /tmp/tmp2/foo/touch-me")
  2278  	out, _, err := runCommandWithOutput(cmd)
  2279  	if err != nil {
  2280  		c.Fatal(out, err)
  2281  	}
  2282  }
  2283  
  2284  // Regression test for https://github.com/docker/docker/issues/8259
  2285  func (s *DockerSuite) TestRunReuseBindVolumeThatIsSymlink(c *check.C) {
  2286  	testRequires(c, SameHostDaemon)
  2287  
  2288  	tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink")
  2289  	if err != nil {
  2290  		c.Fatal(err)
  2291  	}
  2292  	defer os.RemoveAll(tmpDir)
  2293  
  2294  	linkPath := os.TempDir() + "/testlink2"
  2295  	if err := os.Symlink(tmpDir, linkPath); err != nil {
  2296  		c.Fatal(err)
  2297  	}
  2298  	defer os.RemoveAll(linkPath)
  2299  
  2300  	// Create first container
  2301  	cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
  2302  	if _, err := runCommand(cmd); err != nil {
  2303  		c.Fatal(err)
  2304  	}
  2305  
  2306  	// Create second container with same symlinked path
  2307  	// This will fail if the referenced issue is hit with a "Volume exists" error
  2308  	cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
  2309  	if out, _, err := runCommandWithOutput(cmd); err != nil {
  2310  		c.Fatal(err, out)
  2311  	}
  2312  }
  2313  
  2314  //GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container
  2315  func (s *DockerSuite) TestRunCreateVolumeEtc(c *check.C) {
  2316  	cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf")
  2317  	out, _, err := runCommandWithOutput(cmd)
  2318  	if err != nil {
  2319  		c.Fatalf("failed to run container: %v, output: %q", err, out)
  2320  	}
  2321  	if !strings.Contains(out, "nameserver 127.0.0.1") {
  2322  		c.Fatal("/etc volume mount hides /etc/resolv.conf")
  2323  	}
  2324  
  2325  	cmd = exec.Command(dockerBinary, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname")
  2326  	out, _, err = runCommandWithOutput(cmd)
  2327  	if err != nil {
  2328  		c.Fatalf("failed to run container: %v, output: %q", err, out)
  2329  	}
  2330  	if !strings.Contains(out, "test123") {
  2331  		c.Fatal("/etc volume mount hides /etc/hostname")
  2332  	}
  2333  
  2334  	cmd = exec.Command(dockerBinary, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts")
  2335  	out, _, err = runCommandWithOutput(cmd)
  2336  	if err != nil {
  2337  		c.Fatalf("failed to run container: %v, output: %q", err, out)
  2338  	}
  2339  	out = strings.Replace(out, "\n", " ", -1)
  2340  	if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") {
  2341  		c.Fatal("/etc volume mount hides /etc/hosts")
  2342  	}
  2343  }
  2344  
  2345  func (s *DockerSuite) TestVolumesNoCopyData(c *check.C) {
  2346  	if _, err := buildImage("dataimage",
  2347  		`FROM busybox
  2348  		 RUN mkdir -p /foo
  2349  		 RUN touch /foo/bar`,
  2350  		true); err != nil {
  2351  		c.Fatal(err)
  2352  	}
  2353  
  2354  	cmd := exec.Command(dockerBinary, "run", "--name", "test", "-v", "/foo", "busybox")
  2355  	if _, err := runCommand(cmd); err != nil {
  2356  		c.Fatal(err)
  2357  	}
  2358  
  2359  	cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar")
  2360  	if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
  2361  		c.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out)
  2362  	}
  2363  
  2364  	tmpDir := randomUnixTmpDirPath("docker_test_bind_mount_copy_data")
  2365  	cmd = exec.Command(dockerBinary, "run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar")
  2366  	if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
  2367  		c.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out)
  2368  	}
  2369  }
  2370  
  2371  func (s *DockerSuite) TestRunVolumesNotRecreatedOnStart(c *check.C) {
  2372  	testRequires(c, SameHostDaemon)
  2373  
  2374  	// Clear out any remnants from other tests
  2375  	info, err := ioutil.ReadDir(volumesConfigPath)
  2376  	if err != nil {
  2377  		c.Fatal(err)
  2378  	}
  2379  	if len(info) > 0 {
  2380  		for _, f := range info {
  2381  			if err := os.RemoveAll(volumesConfigPath + "/" + f.Name()); err != nil {
  2382  				c.Fatal(err)
  2383  			}
  2384  		}
  2385  	}
  2386  
  2387  	cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "--name", "lone_starr", "busybox")
  2388  	if _, err := runCommand(cmd); err != nil {
  2389  		c.Fatal(err)
  2390  	}
  2391  
  2392  	cmd = exec.Command(dockerBinary, "start", "lone_starr")
  2393  	if _, err := runCommand(cmd); err != nil {
  2394  		c.Fatal(err)
  2395  	}
  2396  
  2397  	info, err = ioutil.ReadDir(volumesConfigPath)
  2398  	if err != nil {
  2399  		c.Fatal(err)
  2400  	}
  2401  	if len(info) != 1 {
  2402  		c.Fatalf("Expected only 1 volume have %v", len(info))
  2403  	}
  2404  }
  2405  
  2406  func (s *DockerSuite) TestRunNoOutputFromPullInStdout(c *check.C) {
  2407  	// just run with unknown image
  2408  	cmd := exec.Command(dockerBinary, "run", "asdfsg")
  2409  	stdout := bytes.NewBuffer(nil)
  2410  	cmd.Stdout = stdout
  2411  	if err := cmd.Run(); err == nil {
  2412  		c.Fatal("Run with unknown image should fail")
  2413  	}
  2414  	if stdout.Len() != 0 {
  2415  		c.Fatalf("Stdout contains output from pull: %s", stdout)
  2416  	}
  2417  }
  2418  
  2419  func (s *DockerSuite) TestRunVolumesCleanPaths(c *check.C) {
  2420  	if _, err := buildImage("run_volumes_clean_paths",
  2421  		`FROM busybox
  2422  		 VOLUME /foo/`,
  2423  		true); err != nil {
  2424  		c.Fatal(err)
  2425  	}
  2426  
  2427  	cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths")
  2428  	if out, _, err := runCommandWithOutput(cmd); err != nil {
  2429  		c.Fatal(err, out)
  2430  	}
  2431  
  2432  	out, err := inspectFieldMap("dark_helmet", "Volumes", "/foo/")
  2433  	if err != nil {
  2434  		c.Fatal(err)
  2435  	}
  2436  	if out != "" {
  2437  		c.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out)
  2438  	}
  2439  
  2440  	out, err = inspectFieldMap("dark_helmet", "Volumes", "/foo")
  2441  	if err != nil {
  2442  		c.Fatal(err)
  2443  	}
  2444  	if !strings.Contains(out, volumesStoragePath) {
  2445  		c.Fatalf("Volume was not defined for /foo\n%q", out)
  2446  	}
  2447  
  2448  	out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar/")
  2449  	if err != nil {
  2450  		c.Fatal(err)
  2451  	}
  2452  	if out != "" {
  2453  		c.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out)
  2454  	}
  2455  	out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar")
  2456  	if err != nil {
  2457  		c.Fatal(err)
  2458  	}
  2459  	if !strings.Contains(out, volumesStoragePath) {
  2460  		c.Fatalf("Volume was not defined for /bar\n%q", out)
  2461  	}
  2462  }
  2463  
  2464  // Regression test for #3631
  2465  func (s *DockerSuite) TestRunSlowStdoutConsumer(c *check.C) {
  2466  	cont := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv")
  2467  
  2468  	stdout, err := cont.StdoutPipe()
  2469  	if err != nil {
  2470  		c.Fatal(err)
  2471  	}
  2472  
  2473  	if err := cont.Start(); err != nil {
  2474  		c.Fatal(err)
  2475  	}
  2476  	n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil)
  2477  	if err != nil {
  2478  		c.Fatal(err)
  2479  	}
  2480  
  2481  	expected := 2 * 1024 * 2000
  2482  	if n != expected {
  2483  		c.Fatalf("Expected %d, got %d", expected, n)
  2484  	}
  2485  }
  2486  
  2487  func (s *DockerSuite) TestRunAllowPortRangeThroughExpose(c *check.C) {
  2488  	cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top")
  2489  	out, _, err := runCommandWithOutput(cmd)
  2490  	if err != nil {
  2491  		c.Fatal(err)
  2492  	}
  2493  	id := strings.TrimSpace(out)
  2494  	portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
  2495  	if err != nil {
  2496  		c.Fatal(err)
  2497  	}
  2498  	var ports nat.PortMap
  2499  	if err = unmarshalJSON([]byte(portstr), &ports); err != nil {
  2500  		c.Fatal(err)
  2501  	}
  2502  	for port, binding := range ports {
  2503  		portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  2504  		if portnum < 3000 || portnum > 3003 {
  2505  			c.Fatalf("Port %d is out of range ", portnum)
  2506  		}
  2507  		if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  2508  			c.Fatalf("Port is not mapped for the port %d", port)
  2509  		}
  2510  	}
  2511  	if err := deleteContainer(id); err != nil {
  2512  		c.Fatal(err)
  2513  	}
  2514  }
  2515  
  2516  // test docker run expose a invalid port
  2517  func (s *DockerSuite) TestRunExposePort(c *check.C) {
  2518  	runCmd := exec.Command(dockerBinary, "run", "--expose", "80000", "busybox")
  2519  	out, _, err := runCommandWithOutput(runCmd)
  2520  	//expose a invalid port should with a error out
  2521  	if err == nil || !strings.Contains(out, "Invalid range format for --expose") {
  2522  		c.Fatalf("run --expose a invalid port should with error out")
  2523  	}
  2524  }
  2525  
  2526  func (s *DockerSuite) TestRunUnknownCommand(c *check.C) {
  2527  	testRequires(c, NativeExecDriver)
  2528  	runCmd := exec.Command(dockerBinary, "create", "busybox", "/bin/nada")
  2529  	cID, _, _, err := runCommandWithStdoutStderr(runCmd)
  2530  	if err != nil {
  2531  		c.Fatalf("Failed to create container: %v, output: %q", err, cID)
  2532  	}
  2533  	cID = strings.TrimSpace(cID)
  2534  
  2535  	runCmd = exec.Command(dockerBinary, "start", cID)
  2536  	_, _, _, _ = runCommandWithStdoutStderr(runCmd)
  2537  
  2538  	runCmd = exec.Command(dockerBinary, "inspect", "--format={{.State.ExitCode}}", cID)
  2539  	rc, _, _, err2 := runCommandWithStdoutStderr(runCmd)
  2540  	rc = strings.TrimSpace(rc)
  2541  
  2542  	if err2 != nil {
  2543  		c.Fatalf("Error getting status of container: %v", err2)
  2544  	}
  2545  
  2546  	if rc == "0" {
  2547  		c.Fatalf("ExitCode(%v) cannot be 0", rc)
  2548  	}
  2549  }
  2550  
  2551  func (s *DockerSuite) TestRunModeIpcHost(c *check.C) {
  2552  	testRequires(c, SameHostDaemon)
  2553  
  2554  	hostIpc, err := os.Readlink("/proc/1/ns/ipc")
  2555  	if err != nil {
  2556  		c.Fatal(err)
  2557  	}
  2558  
  2559  	cmd := exec.Command(dockerBinary, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc")
  2560  	out2, _, err := runCommandWithOutput(cmd)
  2561  	if err != nil {
  2562  		c.Fatal(err, out2)
  2563  	}
  2564  
  2565  	out2 = strings.Trim(out2, "\n")
  2566  	if hostIpc != out2 {
  2567  		c.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out2)
  2568  	}
  2569  
  2570  	cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/ipc")
  2571  	out2, _, err = runCommandWithOutput(cmd)
  2572  	if err != nil {
  2573  		c.Fatal(err, out2)
  2574  	}
  2575  
  2576  	out2 = strings.Trim(out2, "\n")
  2577  	if hostIpc == out2 {
  2578  		c.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out2)
  2579  	}
  2580  }
  2581  
  2582  func (s *DockerSuite) TestRunModeIpcContainer(c *check.C) {
  2583  	testRequires(c, SameHostDaemon)
  2584  
  2585  	cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  2586  	out, _, err := runCommandWithOutput(cmd)
  2587  	if err != nil {
  2588  		c.Fatal(err, out)
  2589  	}
  2590  	id := strings.TrimSpace(out)
  2591  	state, err := inspectField(id, "State.Running")
  2592  	if err != nil {
  2593  		c.Fatal(err)
  2594  	}
  2595  	if state != "true" {
  2596  		c.Fatal("Container state is 'not running'")
  2597  	}
  2598  	pid1, err := inspectField(id, "State.Pid")
  2599  	if err != nil {
  2600  		c.Fatal(err)
  2601  	}
  2602  
  2603  	parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1))
  2604  	if err != nil {
  2605  		c.Fatal(err)
  2606  	}
  2607  	cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc")
  2608  	out2, _, err := runCommandWithOutput(cmd)
  2609  	if err != nil {
  2610  		c.Fatal(err, out2)
  2611  	}
  2612  
  2613  	out2 = strings.Trim(out2, "\n")
  2614  	if parentContainerIpc != out2 {
  2615  		c.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out2)
  2616  	}
  2617  }
  2618  
  2619  func (s *DockerSuite) TestRunModeIpcContainerNotExists(c *check.C) {
  2620  	cmd := exec.Command(dockerBinary, "run", "-d", "--ipc", "container:abcd1234", "busybox", "top")
  2621  	out, _, err := runCommandWithOutput(cmd)
  2622  	if !strings.Contains(out, "abcd1234") || err == nil {
  2623  		c.Fatalf("run IPC from a non exists container should with correct error out")
  2624  	}
  2625  }
  2626  
  2627  func (s *DockerSuite) TestContainerNetworkMode(c *check.C) {
  2628  	testRequires(c, SameHostDaemon)
  2629  
  2630  	cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  2631  	out, _, err := runCommandWithOutput(cmd)
  2632  	if err != nil {
  2633  		c.Fatal(err, out)
  2634  	}
  2635  	id := strings.TrimSpace(out)
  2636  	if err := waitRun(id); err != nil {
  2637  		c.Fatal(err)
  2638  	}
  2639  	pid1, err := inspectField(id, "State.Pid")
  2640  	if err != nil {
  2641  		c.Fatal(err)
  2642  	}
  2643  
  2644  	parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
  2645  	if err != nil {
  2646  		c.Fatal(err)
  2647  	}
  2648  	cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net")
  2649  	out2, _, err := runCommandWithOutput(cmd)
  2650  	if err != nil {
  2651  		c.Fatal(err, out2)
  2652  	}
  2653  
  2654  	out2 = strings.Trim(out2, "\n")
  2655  	if parentContainerNet != out2 {
  2656  		c.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out2)
  2657  	}
  2658  }
  2659  
  2660  func (s *DockerSuite) TestContainerNetworkModeToSelf(c *check.C) {
  2661  	cmd := exec.Command(dockerBinary, "run", "--name=me", "--net=container:me", "busybox", "true")
  2662  	out, _, err := runCommandWithOutput(cmd)
  2663  	if err == nil || !strings.Contains(out, "cannot join own network") {
  2664  		c.Fatalf("using container net mode to self should result in an error")
  2665  	}
  2666  }
  2667  
  2668  func (s *DockerSuite) TestRunModePidHost(c *check.C) {
  2669  	testRequires(c, NativeExecDriver, SameHostDaemon)
  2670  
  2671  	hostPid, err := os.Readlink("/proc/1/ns/pid")
  2672  	if err != nil {
  2673  		c.Fatal(err)
  2674  	}
  2675  
  2676  	cmd := exec.Command(dockerBinary, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid")
  2677  	out2, _, err := runCommandWithOutput(cmd)
  2678  	if err != nil {
  2679  		c.Fatal(err, out2)
  2680  	}
  2681  
  2682  	out2 = strings.Trim(out2, "\n")
  2683  	if hostPid != out2 {
  2684  		c.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out2)
  2685  	}
  2686  
  2687  	cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/pid")
  2688  	out2, _, err = runCommandWithOutput(cmd)
  2689  	if err != nil {
  2690  		c.Fatal(err, out2)
  2691  	}
  2692  
  2693  	out2 = strings.Trim(out2, "\n")
  2694  	if hostPid == out2 {
  2695  		c.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out2)
  2696  	}
  2697  }
  2698  
  2699  func (s *DockerSuite) TestRunTLSverify(c *check.C) {
  2700  	cmd := exec.Command(dockerBinary, "ps")
  2701  	out, ec, err := runCommandWithOutput(cmd)
  2702  	if err != nil || ec != 0 {
  2703  		c.Fatalf("Should have worked: %v:\n%v", err, out)
  2704  	}
  2705  
  2706  	// Regardless of whether we specify true or false we need to
  2707  	// test to make sure tls is turned on if --tlsverify is specified at all
  2708  
  2709  	cmd = exec.Command(dockerBinary, "--tlsverify=false", "ps")
  2710  	out, ec, err = runCommandWithOutput(cmd)
  2711  	if err == nil || ec == 0 || !strings.Contains(out, "trying to connect") {
  2712  		c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", ec, out, err)
  2713  	}
  2714  
  2715  	cmd = exec.Command(dockerBinary, "--tlsverify=true", "ps")
  2716  	out, ec, err = runCommandWithOutput(cmd)
  2717  	if err == nil || ec == 0 || !strings.Contains(out, "cert") {
  2718  		c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", ec, out, err)
  2719  	}
  2720  }
  2721  
  2722  func (s *DockerSuite) TestRunPortFromDockerRangeInUse(c *check.C) {
  2723  	// first find allocator current position
  2724  	cmd := exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
  2725  	out, _, err := runCommandWithOutput(cmd)
  2726  	if err != nil {
  2727  		c.Fatal(out, err)
  2728  	}
  2729  	id := strings.TrimSpace(out)
  2730  	cmd = exec.Command(dockerBinary, "port", id)
  2731  	out, _, err = runCommandWithOutput(cmd)
  2732  	if err != nil {
  2733  		c.Fatal(out, err)
  2734  	}
  2735  	out = strings.TrimSpace(out)
  2736  
  2737  	if out == "" {
  2738  		c.Fatal("docker port command output is empty")
  2739  	}
  2740  	out = strings.Split(out, ":")[1]
  2741  	lastPort, err := strconv.Atoi(out)
  2742  	if err != nil {
  2743  		c.Fatal(err)
  2744  	}
  2745  	port := lastPort + 1
  2746  	l, err := net.Listen("tcp", ":"+strconv.Itoa(port))
  2747  	if err != nil {
  2748  		c.Fatal(err)
  2749  	}
  2750  	defer l.Close()
  2751  	cmd = exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
  2752  	out, _, err = runCommandWithOutput(cmd)
  2753  	if err != nil {
  2754  		c.Fatalf(out, err)
  2755  	}
  2756  	id = strings.TrimSpace(out)
  2757  	cmd = exec.Command(dockerBinary, "port", id)
  2758  	out, _, err = runCommandWithOutput(cmd)
  2759  	if err != nil {
  2760  		c.Fatal(out, err)
  2761  	}
  2762  }
  2763  
  2764  func (s *DockerSuite) TestRunTtyWithPipe(c *check.C) {
  2765  	done := make(chan struct{})
  2766  	go func() {
  2767  		defer close(done)
  2768  
  2769  		cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true")
  2770  		if _, err := cmd.StdinPipe(); err != nil {
  2771  			c.Fatal(err)
  2772  		}
  2773  
  2774  		expected := "cannot enable tty mode"
  2775  		if out, _, err := runCommandWithOutput(cmd); err == nil {
  2776  			c.Fatal("run should have failed")
  2777  		} else if !strings.Contains(out, expected) {
  2778  			c.Fatalf("run failed with error %q: expected %q", out, expected)
  2779  		}
  2780  	}()
  2781  
  2782  	select {
  2783  	case <-done:
  2784  	case <-time.After(3 * time.Second):
  2785  		c.Fatal("container is running but should have failed")
  2786  	}
  2787  }
  2788  
  2789  func (s *DockerSuite) TestRunNonLocalMacAddress(c *check.C) {
  2790  	addr := "00:16:3E:08:00:50"
  2791  
  2792  	cmd := exec.Command(dockerBinary, "run", "--mac-address", addr, "busybox", "ifconfig")
  2793  	if out, _, err := runCommandWithOutput(cmd); err != nil || !strings.Contains(out, addr) {
  2794  		c.Fatalf("Output should have contained %q: %s, %v", addr, out, err)
  2795  	}
  2796  }
  2797  
  2798  func (s *DockerSuite) TestRunNetHost(c *check.C) {
  2799  	testRequires(c, SameHostDaemon)
  2800  
  2801  	hostNet, err := os.Readlink("/proc/1/ns/net")
  2802  	if err != nil {
  2803  		c.Fatal(err)
  2804  	}
  2805  
  2806  	cmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net")
  2807  	out2, _, err := runCommandWithOutput(cmd)
  2808  	if err != nil {
  2809  		c.Fatal(err, out2)
  2810  	}
  2811  
  2812  	out2 = strings.Trim(out2, "\n")
  2813  	if hostNet != out2 {
  2814  		c.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out2)
  2815  	}
  2816  
  2817  	cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/net")
  2818  	out2, _, err = runCommandWithOutput(cmd)
  2819  	if err != nil {
  2820  		c.Fatal(err, out2)
  2821  	}
  2822  
  2823  	out2 = strings.Trim(out2, "\n")
  2824  	if hostNet == out2 {
  2825  		c.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out2)
  2826  	}
  2827  }
  2828  
  2829  func (s *DockerSuite) TestRunNetContainerWhichHost(c *check.C) {
  2830  	testRequires(c, SameHostDaemon)
  2831  
  2832  	hostNet, err := os.Readlink("/proc/1/ns/net")
  2833  	if err != nil {
  2834  		c.Fatal(err)
  2835  	}
  2836  
  2837  	cmd := exec.Command(dockerBinary, "run", "-d", "--net=host", "--name=test", "busybox", "top")
  2838  	out, _, err := runCommandWithOutput(cmd)
  2839  	if err != nil {
  2840  		c.Fatal(err, out)
  2841  	}
  2842  
  2843  	cmd = exec.Command(dockerBinary, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net")
  2844  	out, _, err = runCommandWithOutput(cmd)
  2845  	if err != nil {
  2846  		c.Fatal(err, out)
  2847  	}
  2848  
  2849  	out = strings.Trim(out, "\n")
  2850  	if hostNet != out {
  2851  		c.Fatalf("Container should have host network namespace")
  2852  	}
  2853  }
  2854  
  2855  func (s *DockerSuite) TestRunAllowPortRangeThroughPublish(c *check.C) {
  2856  	cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top")
  2857  	out, _, err := runCommandWithOutput(cmd)
  2858  
  2859  	id := strings.TrimSpace(out)
  2860  	portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
  2861  	if err != nil {
  2862  		c.Fatal(err)
  2863  	}
  2864  	var ports nat.PortMap
  2865  	err = unmarshalJSON([]byte(portstr), &ports)
  2866  	for port, binding := range ports {
  2867  		portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  2868  		if portnum < 3000 || portnum > 3003 {
  2869  			c.Fatalf("Port %d is out of range ", portnum)
  2870  		}
  2871  		if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  2872  			c.Fatal("Port is not mapped for the port "+port, out)
  2873  		}
  2874  	}
  2875  }
  2876  
  2877  func (s *DockerSuite) TestRunOOMExitCode(c *check.C) {
  2878  	done := make(chan struct{})
  2879  	go func() {
  2880  		defer close(done)
  2881  
  2882  		runCmd := exec.Command(dockerBinary, "run", "-m", "4MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done")
  2883  		out, exitCode, _ := runCommandWithOutput(runCmd)
  2884  		if expected := 137; exitCode != expected {
  2885  			c.Fatalf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
  2886  		}
  2887  	}()
  2888  
  2889  	select {
  2890  	case <-done:
  2891  	case <-time.After(30 * time.Second):
  2892  		c.Fatal("Timeout waiting for container to die on OOM")
  2893  	}
  2894  }
  2895  
  2896  func (s *DockerSuite) TestRunSetDefaultRestartPolicy(c *check.C) {
  2897  	runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "test", "busybox", "top")
  2898  	if out, _, err := runCommandWithOutput(runCmd); err != nil {
  2899  		c.Fatalf("failed to run container: %v, output: %q", err, out)
  2900  	}
  2901  	cmd := exec.Command(dockerBinary, "inspect", "-f", "{{.HostConfig.RestartPolicy.Name}}", "test")
  2902  	out, _, err := runCommandWithOutput(cmd)
  2903  	if err != nil {
  2904  		c.Fatalf("failed to inspect container: %v, output: %q", err, out)
  2905  	}
  2906  	out = strings.Trim(out, "\r\n")
  2907  	if out != "no" {
  2908  		c.Fatalf("Set default restart policy failed")
  2909  	}
  2910  }
  2911  
  2912  func (s *DockerSuite) TestRunRestartMaxRetries(c *check.C) {
  2913  	out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "false").CombinedOutput()
  2914  	if err != nil {
  2915  		c.Fatal(string(out), err)
  2916  	}
  2917  	id := strings.TrimSpace(string(out))
  2918  	if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 10); err != nil {
  2919  		c.Fatal(err)
  2920  	}
  2921  	count, err := inspectField(id, "RestartCount")
  2922  	if err != nil {
  2923  		c.Fatal(err)
  2924  	}
  2925  	if count != "3" {
  2926  		c.Fatalf("Container was restarted %s times, expected %d", count, 3)
  2927  	}
  2928  	MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount")
  2929  	if err != nil {
  2930  		c.Fatal(err)
  2931  	}
  2932  	if MaximumRetryCount != "3" {
  2933  		c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3")
  2934  	}
  2935  }
  2936  
  2937  func (s *DockerSuite) TestRunContainerWithWritableRootfs(c *check.C) {
  2938  	out, err := exec.Command(dockerBinary, "run", "--rm", "busybox", "touch", "/file").CombinedOutput()
  2939  	if err != nil {
  2940  		c.Fatal(string(out), err)
  2941  	}
  2942  }
  2943  
  2944  func (s *DockerSuite) TestRunContainerWithReadonlyRootfs(c *check.C) {
  2945  	testRequires(c, NativeExecDriver)
  2946  
  2947  	out, err := exec.Command(dockerBinary, "run", "--read-only", "--rm", "busybox", "touch", "/file").CombinedOutput()
  2948  	if err == nil {
  2949  		c.Fatal("expected container to error on run with read only error")
  2950  	}
  2951  	expected := "Read-only file system"
  2952  	if !strings.Contains(string(out), expected) {
  2953  		c.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
  2954  	}
  2955  }
  2956  
  2957  func (s *DockerSuite) TestRunVolumesFromRestartAfterRemoved(c *check.C) {
  2958  	out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "voltest", "-v", "/foo", "busybox"))
  2959  	if err != nil {
  2960  		c.Fatal(out, err)
  2961  	}
  2962  
  2963  	out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "restarter", "--volumes-from", "voltest", "busybox", "top"))
  2964  	if err != nil {
  2965  		c.Fatal(out, err)
  2966  	}
  2967  
  2968  	// Remove the main volume container and restart the consuming container
  2969  	out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "rm", "-f", "voltest"))
  2970  	if err != nil {
  2971  		c.Fatal(out, err)
  2972  	}
  2973  
  2974  	// This should not fail since the volumes-from were already applied
  2975  	out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "restart", "restarter"))
  2976  	if err != nil {
  2977  		c.Fatalf("expected container to restart successfully: %v\n%s", err, out)
  2978  	}
  2979  }
  2980  
  2981  // run container with --rm should remove container if exit code != 0
  2982  func (s *DockerSuite) TestRunContainerWithRmFlagExitCodeNotEqualToZero(c *check.C) {
  2983  	name := "flowers"
  2984  	runCmd := exec.Command(dockerBinary, "run", "--name", name, "--rm", "busybox", "ls", "/notexists")
  2985  	out, _, err := runCommandWithOutput(runCmd)
  2986  	if err == nil {
  2987  		c.Fatal("Expected docker run to fail", out, err)
  2988  	}
  2989  
  2990  	out, err = getAllContainers()
  2991  	if err != nil {
  2992  		c.Fatal(out, err)
  2993  	}
  2994  
  2995  	if out != "" {
  2996  		c.Fatal("Expected not to have containers", out)
  2997  	}
  2998  }
  2999  
  3000  func (s *DockerSuite) TestRunContainerWithRmFlagCannotStartContainer(c *check.C) {
  3001  	name := "sparkles"
  3002  	runCmd := exec.Command(dockerBinary, "run", "--name", name, "--rm", "busybox", "commandNotFound")
  3003  	out, _, err := runCommandWithOutput(runCmd)
  3004  	if err == nil {
  3005  		c.Fatal("Expected docker run to fail", out, err)
  3006  	}
  3007  
  3008  	out, err = getAllContainers()
  3009  	if err != nil {
  3010  		c.Fatal(out, err)
  3011  	}
  3012  
  3013  	if out != "" {
  3014  		c.Fatal("Expected not to have containers", out)
  3015  	}
  3016  }
  3017  
  3018  func (s *DockerSuite) TestRunPidHostWithChildIsKillable(c *check.C) {
  3019  	name := "ibuildthecloud"
  3020  	if out, err := exec.Command(dockerBinary, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi").CombinedOutput(); err != nil {
  3021  		c.Fatal(err, out)
  3022  	}
  3023  	time.Sleep(1 * time.Second)
  3024  	errchan := make(chan error)
  3025  	go func() {
  3026  		if out, err := exec.Command(dockerBinary, "kill", name).CombinedOutput(); err != nil {
  3027  			errchan <- fmt.Errorf("%v:\n%s", err, out)
  3028  		}
  3029  		close(errchan)
  3030  	}()
  3031  	select {
  3032  	case err := <-errchan:
  3033  		if err != nil {
  3034  			c.Fatal(err)
  3035  		}
  3036  	case <-time.After(5 * time.Second):
  3037  		c.Fatal("Kill container timed out")
  3038  	}
  3039  }