docker_cli_run_test.go 163 KB

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  1. package main
  2. import (
  3. "bufio"
  4. "bytes"
  5. "fmt"
  6. "io/ioutil"
  7. "net"
  8. "os"
  9. "os/exec"
  10. "path"
  11. "path/filepath"
  12. "reflect"
  13. "regexp"
  14. "runtime"
  15. "sort"
  16. "strconv"
  17. "strings"
  18. "sync"
  19. "time"
  20. "github.com/docker/docker/pkg/integration/checker"
  21. "github.com/docker/docker/pkg/mount"
  22. "github.com/docker/docker/pkg/stringid"
  23. "github.com/docker/docker/pkg/stringutils"
  24. "github.com/docker/docker/runconfig"
  25. "github.com/docker/go-connections/nat"
  26. "github.com/docker/libnetwork/resolvconf"
  27. "github.com/docker/libnetwork/types"
  28. "github.com/go-check/check"
  29. libcontainerUser "github.com/opencontainers/runc/libcontainer/user"
  30. )
  31. // "test123" should be printed by docker run
  32. func (s *DockerSuite) TestRunEchoStdout(c *check.C) {
  33. out, _ := dockerCmd(c, "run", "busybox", "echo", "test123")
  34. if out != "test123\n" {
  35. c.Fatalf("container should've printed 'test123', got '%s'", out)
  36. }
  37. }
  38. // "test" should be printed
  39. func (s *DockerSuite) TestRunEchoNamedContainer(c *check.C) {
  40. out, _ := dockerCmd(c, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
  41. if out != "test\n" {
  42. c.Errorf("container should've printed 'test'")
  43. }
  44. }
  45. // docker run should not leak file descriptors. This test relies on Unix
  46. // specific functionality and cannot run on Windows.
  47. func (s *DockerSuite) TestRunLeakyFileDescriptors(c *check.C) {
  48. testRequires(c, DaemonIsLinux)
  49. out, _ := dockerCmd(c, "run", "busybox", "ls", "-C", "/proc/self/fd")
  50. // normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
  51. if out != "0 1 2 3\n" {
  52. c.Errorf("container should've printed '0 1 2 3', not: %s", out)
  53. }
  54. }
  55. // it should be possible to lookup Google DNS
  56. // this will fail when Internet access is unavailable
  57. func (s *DockerSuite) TestRunLookupGoogleDNS(c *check.C) {
  58. testRequires(c, Network, NotArm)
  59. image := DefaultImage
  60. if daemonPlatform == "windows" {
  61. // nslookup isn't present in Windows busybox. Is built-in.
  62. image = WindowsBaseImage
  63. }
  64. dockerCmd(c, "run", image, "nslookup", "google.com")
  65. }
  66. // the exit code should be 0
  67. func (s *DockerSuite) TestRunExitCodeZero(c *check.C) {
  68. dockerCmd(c, "run", "busybox", "true")
  69. }
  70. // the exit code should be 1
  71. func (s *DockerSuite) TestRunExitCodeOne(c *check.C) {
  72. _, exitCode, err := dockerCmdWithError("run", "busybox", "false")
  73. c.Assert(err, checker.NotNil)
  74. c.Assert(exitCode, checker.Equals, 1)
  75. }
  76. // it should be possible to pipe in data via stdin to a process running in a container
  77. func (s *DockerSuite) TestRunStdinPipe(c *check.C) {
  78. // TODO Windows: This needs some work to make compatible.
  79. testRequires(c, DaemonIsLinux)
  80. runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat")
  81. runCmd.Stdin = strings.NewReader("blahblah")
  82. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  83. if err != nil {
  84. c.Fatalf("failed to run container: %v, output: %q", err, out)
  85. }
  86. out = strings.TrimSpace(out)
  87. dockerCmd(c, "wait", out)
  88. logsOut, _ := dockerCmd(c, "logs", out)
  89. containerLogs := strings.TrimSpace(logsOut)
  90. if containerLogs != "blahblah" {
  91. c.Errorf("logs didn't print the container's logs %s", containerLogs)
  92. }
  93. dockerCmd(c, "rm", out)
  94. }
  95. // the container's ID should be printed when starting a container in detached mode
  96. func (s *DockerSuite) TestRunDetachedContainerIDPrinting(c *check.C) {
  97. out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
  98. out = strings.TrimSpace(out)
  99. dockerCmd(c, "wait", out)
  100. rmOut, _ := dockerCmd(c, "rm", out)
  101. rmOut = strings.TrimSpace(rmOut)
  102. if rmOut != out {
  103. c.Errorf("rm didn't print the container ID %s %s", out, rmOut)
  104. }
  105. }
  106. // the working directory should be set correctly
  107. func (s *DockerSuite) TestRunWorkingDirectory(c *check.C) {
  108. dir := "/root"
  109. image := "busybox"
  110. if daemonPlatform == "windows" {
  111. dir = `C:/Windows`
  112. }
  113. // First with -w
  114. out, _ := dockerCmd(c, "run", "-w", dir, image, "pwd")
  115. out = strings.TrimSpace(out)
  116. if out != dir {
  117. c.Errorf("-w failed to set working directory")
  118. }
  119. // Then with --workdir
  120. out, _ = dockerCmd(c, "run", "--workdir", dir, image, "pwd")
  121. out = strings.TrimSpace(out)
  122. if out != dir {
  123. c.Errorf("--workdir failed to set working directory")
  124. }
  125. }
  126. // pinging Google's DNS resolver should fail when we disable the networking
  127. func (s *DockerSuite) TestRunWithoutNetworking(c *check.C) {
  128. count := "-c"
  129. image := "busybox"
  130. if daemonPlatform == "windows" {
  131. count = "-n"
  132. image = WindowsBaseImage
  133. }
  134. // First using the long form --net
  135. out, exitCode, err := dockerCmdWithError("run", "--net=none", image, "ping", count, "1", "8.8.8.8")
  136. if err != nil && exitCode != 1 {
  137. c.Fatal(out, err)
  138. }
  139. if exitCode != 1 {
  140. c.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
  141. }
  142. }
  143. //test --link use container name to link target
  144. func (s *DockerSuite) TestRunLinksContainerWithContainerName(c *check.C) {
  145. // TODO Windows: This test cannot run on a Windows daemon as the networking
  146. // settings are not populated back yet on inspect.
  147. testRequires(c, DaemonIsLinux)
  148. dockerCmd(c, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
  149. ip := inspectField(c, "parent", "NetworkSettings.Networks.bridge.IPAddress")
  150. out, _ := dockerCmd(c, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
  151. if !strings.Contains(out, ip+" test") {
  152. c.Fatalf("use a container name to link target failed")
  153. }
  154. }
  155. //test --link use container id to link target
  156. func (s *DockerSuite) TestRunLinksContainerWithContainerId(c *check.C) {
  157. // TODO Windows: This test cannot run on a Windows daemon as the networking
  158. // settings are not populated back yet on inspect.
  159. testRequires(c, DaemonIsLinux)
  160. cID, _ := dockerCmd(c, "run", "-i", "-t", "-d", "busybox")
  161. cID = strings.TrimSpace(cID)
  162. ip := inspectField(c, cID, "NetworkSettings.Networks.bridge.IPAddress")
  163. out, _ := dockerCmd(c, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
  164. if !strings.Contains(out, ip+" test") {
  165. c.Fatalf("use a container id to link target failed")
  166. }
  167. }
  168. func (s *DockerSuite) TestUserDefinedNetworkLinks(c *check.C) {
  169. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  170. dockerCmd(c, "network", "create", "-d", "bridge", "udlinkNet")
  171. dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=first", "busybox", "top")
  172. c.Assert(waitRun("first"), check.IsNil)
  173. // run a container in user-defined network udlinkNet with a link for an existing container
  174. // and a link for a container that doesn't exist
  175. dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=second", "--link=first:foo",
  176. "--link=third:bar", "busybox", "top")
  177. c.Assert(waitRun("second"), check.IsNil)
  178. // ping to first and its alias foo must succeed
  179. _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
  180. c.Assert(err, check.IsNil)
  181. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
  182. c.Assert(err, check.IsNil)
  183. // ping to third and its alias must fail
  184. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "third")
  185. c.Assert(err, check.NotNil)
  186. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "bar")
  187. c.Assert(err, check.NotNil)
  188. // start third container now
  189. dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=third", "busybox", "top")
  190. c.Assert(waitRun("third"), check.IsNil)
  191. // ping to third and its alias must succeed now
  192. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "third")
  193. c.Assert(err, check.IsNil)
  194. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "bar")
  195. c.Assert(err, check.IsNil)
  196. }
  197. func (s *DockerSuite) TestUserDefinedNetworkLinksWithRestart(c *check.C) {
  198. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  199. dockerCmd(c, "network", "create", "-d", "bridge", "udlinkNet")
  200. dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=first", "busybox", "top")
  201. c.Assert(waitRun("first"), check.IsNil)
  202. dockerCmd(c, "run", "-d", "--net=udlinkNet", "--name=second", "--link=first:foo",
  203. "busybox", "top")
  204. c.Assert(waitRun("second"), check.IsNil)
  205. // ping to first and its alias foo must succeed
  206. _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
  207. c.Assert(err, check.IsNil)
  208. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
  209. c.Assert(err, check.IsNil)
  210. // Restart first container
  211. dockerCmd(c, "restart", "first")
  212. c.Assert(waitRun("first"), check.IsNil)
  213. // ping to first and its alias foo must still succeed
  214. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
  215. c.Assert(err, check.IsNil)
  216. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
  217. c.Assert(err, check.IsNil)
  218. // Restart second container
  219. dockerCmd(c, "restart", "second")
  220. c.Assert(waitRun("second"), check.IsNil)
  221. // ping to first and its alias foo must still succeed
  222. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
  223. c.Assert(err, check.IsNil)
  224. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
  225. c.Assert(err, check.IsNil)
  226. }
  227. func (s *DockerSuite) TestRunWithNetAliasOnDefaultNetworks(c *check.C) {
  228. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  229. defaults := []string{"bridge", "host", "none"}
  230. for _, net := range defaults {
  231. out, _, err := dockerCmdWithError("run", "-d", "--net", net, "--net-alias", "alias_"+net, "busybox", "top")
  232. c.Assert(err, checker.NotNil)
  233. c.Assert(out, checker.Contains, runconfig.ErrUnsupportedNetworkAndAlias.Error())
  234. }
  235. }
  236. func (s *DockerSuite) TestUserDefinedNetworkAlias(c *check.C) {
  237. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  238. dockerCmd(c, "network", "create", "-d", "bridge", "net1")
  239. cid1, _ := dockerCmd(c, "run", "-d", "--net=net1", "--name=first", "--net-alias=foo1", "--net-alias=foo2", "busybox", "top")
  240. c.Assert(waitRun("first"), check.IsNil)
  241. // Check if default short-id alias is added automatically
  242. id := strings.TrimSpace(cid1)
  243. aliases := inspectField(c, id, "NetworkSettings.Networks.net1.Aliases")
  244. c.Assert(aliases, checker.Contains, stringid.TruncateID(id))
  245. cid2, _ := dockerCmd(c, "run", "-d", "--net=net1", "--name=second", "busybox", "top")
  246. c.Assert(waitRun("second"), check.IsNil)
  247. // Check if default short-id alias is added automatically
  248. id = strings.TrimSpace(cid2)
  249. aliases = inspectField(c, id, "NetworkSettings.Networks.net1.Aliases")
  250. c.Assert(aliases, checker.Contains, stringid.TruncateID(id))
  251. // ping to first and its network-scoped aliases
  252. _, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
  253. c.Assert(err, check.IsNil)
  254. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo1")
  255. c.Assert(err, check.IsNil)
  256. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo2")
  257. c.Assert(err, check.IsNil)
  258. // ping first container's short-id alias
  259. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", stringid.TruncateID(cid1))
  260. c.Assert(err, check.IsNil)
  261. // Restart first container
  262. dockerCmd(c, "restart", "first")
  263. c.Assert(waitRun("first"), check.IsNil)
  264. // ping to first and its network-scoped aliases must succeed
  265. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
  266. c.Assert(err, check.IsNil)
  267. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo1")
  268. c.Assert(err, check.IsNil)
  269. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo2")
  270. c.Assert(err, check.IsNil)
  271. // ping first container's short-id alias
  272. _, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", stringid.TruncateID(cid1))
  273. c.Assert(err, check.IsNil)
  274. }
  275. // Issue 9677.
  276. func (s *DockerSuite) TestRunWithDaemonFlags(c *check.C) {
  277. out, _, err := dockerCmdWithError("--exec-opt", "foo=bar", "run", "-i", "busybox", "true")
  278. if err != nil {
  279. if !strings.Contains(out, "flag provided but not defined: --exec-opt") { // no daemon (client-only)
  280. c.Fatal(err, out)
  281. }
  282. }
  283. }
  284. // Regression test for #4979
  285. func (s *DockerSuite) TestRunWithVolumesFromExited(c *check.C) {
  286. var (
  287. out string
  288. exitCode int
  289. )
  290. // Create a file in a volume
  291. if daemonPlatform == "windows" {
  292. out, exitCode = dockerCmd(c, "run", "--name", "test-data", "--volume", `c:\some\dir`, WindowsBaseImage, "cmd", "/c", `echo hello > c:\some\dir\file`)
  293. } else {
  294. out, exitCode = dockerCmd(c, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
  295. }
  296. if exitCode != 0 {
  297. c.Fatal("1", out, exitCode)
  298. }
  299. // Read the file from another container using --volumes-from to access the volume in the second container
  300. if daemonPlatform == "windows" {
  301. out, exitCode = dockerCmd(c, "run", "--volumes-from", "test-data", WindowsBaseImage, "cmd", "/c", `type c:\some\dir\file`)
  302. } else {
  303. out, exitCode = dockerCmd(c, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
  304. }
  305. if exitCode != 0 {
  306. c.Fatal("2", out, exitCode)
  307. }
  308. }
  309. // Volume path is a symlink which also exists on the host, and the host side is a file not a dir
  310. // But the volume call is just a normal volume, not a bind mount
  311. func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir(c *check.C) {
  312. var (
  313. dockerFile string
  314. containerPath string
  315. cmd string
  316. )
  317. // TODO Windows (Post TP5): This test cannot run on a Windows daemon as
  318. // Windows does not support symlinks inside a volume path
  319. testRequires(c, SameHostDaemon, DaemonIsLinux)
  320. name := "test-volume-symlink"
  321. dir, err := ioutil.TempDir("", name)
  322. if err != nil {
  323. c.Fatal(err)
  324. }
  325. defer os.RemoveAll(dir)
  326. // In the case of Windows to Windows CI, if the machine is setup so that
  327. // the temp directory is not the C: drive, this test is invalid and will
  328. // not work.
  329. if daemonPlatform == "windows" && strings.ToLower(dir[:1]) != "c" {
  330. c.Skip("Requires TEMP to point to C: drive")
  331. }
  332. f, err := os.OpenFile(filepath.Join(dir, "test"), os.O_CREATE, 0700)
  333. if err != nil {
  334. c.Fatal(err)
  335. }
  336. f.Close()
  337. if daemonPlatform == "windows" {
  338. dockerFile = fmt.Sprintf("FROM %s\nRUN mkdir %s\nRUN mklink /D c:\\test %s", WindowsBaseImage, dir, dir)
  339. containerPath = `c:\test\test`
  340. cmd = "tasklist"
  341. } else {
  342. dockerFile = fmt.Sprintf("FROM busybox\nRUN mkdir -p %s\nRUN ln -s %s /test", dir, dir)
  343. containerPath = "/test/test"
  344. cmd = "true"
  345. }
  346. if _, err := buildImage(name, dockerFile, false); err != nil {
  347. c.Fatal(err)
  348. }
  349. dockerCmd(c, "run", "-v", containerPath, name, cmd)
  350. }
  351. // Volume path is a symlink in the container
  352. func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir2(c *check.C) {
  353. var (
  354. dockerFile string
  355. containerPath string
  356. cmd string
  357. )
  358. // TODO Windows (Post TP5): This test cannot run on a Windows daemon as
  359. // Windows does not support symlinks inside a volume path
  360. testRequires(c, SameHostDaemon, DaemonIsLinux)
  361. name := "test-volume-symlink2"
  362. if daemonPlatform == "windows" {
  363. dockerFile = fmt.Sprintf("FROM %s\nRUN mkdir c:\\%s\nRUN mklink /D c:\\test c:\\%s", WindowsBaseImage, name, name)
  364. containerPath = `c:\test\test`
  365. cmd = "tasklist"
  366. } else {
  367. dockerFile = fmt.Sprintf("FROM busybox\nRUN mkdir -p /%s\nRUN ln -s /%s /test", name, name)
  368. containerPath = "/test/test"
  369. cmd = "true"
  370. }
  371. if _, err := buildImage(name, dockerFile, false); err != nil {
  372. c.Fatal(err)
  373. }
  374. dockerCmd(c, "run", "-v", containerPath, name, cmd)
  375. }
  376. func (s *DockerSuite) TestRunVolumesMountedAsReadonly(c *check.C) {
  377. // TODO Windows: Temporary check - remove once TP5 support is dropped
  378. if daemonPlatform == "windows" && windowsDaemonKV < 14350 {
  379. c.Skip("Needs later Windows build for RO volumes")
  380. }
  381. if _, code, err := dockerCmdWithError("run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile"); err == nil || code == 0 {
  382. c.Fatalf("run should fail because volume is ro: exit code %d", code)
  383. }
  384. }
  385. func (s *DockerSuite) TestRunVolumesFromInReadonlyModeFails(c *check.C) {
  386. // TODO Windows: Temporary check - remove once TP5 support is dropped
  387. if daemonPlatform == "windows" && windowsDaemonKV < 14350 {
  388. c.Skip("Needs later Windows build for RO volumes")
  389. }
  390. var (
  391. volumeDir string
  392. fileInVol string
  393. )
  394. if daemonPlatform == "windows" {
  395. volumeDir = `c:/test` // Forward-slash as using busybox
  396. fileInVol = `c:/test/file`
  397. } else {
  398. testRequires(c, DaemonIsLinux)
  399. volumeDir = "/test"
  400. fileInVol = `/test/file`
  401. }
  402. dockerCmd(c, "run", "--name", "parent", "-v", volumeDir, "busybox", "true")
  403. if _, code, err := dockerCmdWithError("run", "--volumes-from", "parent:ro", "busybox", "touch", fileInVol); err == nil || code == 0 {
  404. c.Fatalf("run should fail because volume is ro: exit code %d", code)
  405. }
  406. }
  407. // Regression test for #1201
  408. func (s *DockerSuite) TestRunVolumesFromInReadWriteMode(c *check.C) {
  409. var (
  410. volumeDir string
  411. fileInVol string
  412. )
  413. if daemonPlatform == "windows" {
  414. volumeDir = `c:/test` // Forward-slash as using busybox
  415. fileInVol = `c:/test/file`
  416. } else {
  417. volumeDir = "/test"
  418. fileInVol = "/test/file"
  419. }
  420. dockerCmd(c, "run", "--name", "parent", "-v", volumeDir, "busybox", "true")
  421. dockerCmd(c, "run", "--volumes-from", "parent:rw", "busybox", "touch", fileInVol)
  422. if out, _, err := dockerCmdWithError("run", "--volumes-from", "parent:bar", "busybox", "touch", fileInVol); err == nil || !strings.Contains(out, `invalid mode: bar`) {
  423. c.Fatalf("running --volumes-from parent:bar should have failed with invalid mode: %q", out)
  424. }
  425. dockerCmd(c, "run", "--volumes-from", "parent", "busybox", "touch", fileInVol)
  426. }
  427. func (s *DockerSuite) TestVolumesFromGetsProperMode(c *check.C) {
  428. prefix, slash := getPrefixAndSlashFromDaemonPlatform()
  429. // TODO Windows: Temporary check - remove once TP5 support is dropped
  430. if daemonPlatform == "windows" && windowsDaemonKV < 14350 {
  431. c.Skip("Needs later Windows build for RO volumes")
  432. }
  433. dockerCmd(c, "run", "--name", "parent", "-v", prefix+slash+"test:"+prefix+slash+"test:ro", "busybox", "true")
  434. // Expect this "rw" mode to be be ignored since the inherited volume is "ro"
  435. if _, _, err := dockerCmdWithError("run", "--volumes-from", "parent:rw", "busybox", "touch", prefix+slash+"test"+slash+"file"); err == nil {
  436. c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
  437. }
  438. dockerCmd(c, "run", "--name", "parent2", "-v", prefix+slash+"test:"+prefix+slash+"test:ro", "busybox", "true")
  439. // Expect this to be read-only since both are "ro"
  440. if _, _, err := dockerCmdWithError("run", "--volumes-from", "parent2:ro", "busybox", "touch", prefix+slash+"test"+slash+"file"); err == nil {
  441. c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
  442. }
  443. }
  444. // Test for GH#10618
  445. func (s *DockerSuite) TestRunNoDupVolumes(c *check.C) {
  446. path1 := randomTmpDirPath("test1", daemonPlatform)
  447. path2 := randomTmpDirPath("test2", daemonPlatform)
  448. someplace := ":/someplace"
  449. if daemonPlatform == "windows" {
  450. // Windows requires that the source directory exists before calling HCS
  451. testRequires(c, SameHostDaemon)
  452. someplace = `:c:\someplace`
  453. if err := os.MkdirAll(path1, 0755); err != nil {
  454. c.Fatalf("Failed to create %s: %q", path1, err)
  455. }
  456. defer os.RemoveAll(path1)
  457. if err := os.MkdirAll(path2, 0755); err != nil {
  458. c.Fatalf("Failed to create %s: %q", path1, err)
  459. }
  460. defer os.RemoveAll(path2)
  461. }
  462. mountstr1 := path1 + someplace
  463. mountstr2 := path2 + someplace
  464. if out, _, err := dockerCmdWithError("run", "-v", mountstr1, "-v", mountstr2, "busybox", "true"); err == nil {
  465. c.Fatal("Expected error about duplicate mount definitions")
  466. } else {
  467. if !strings.Contains(out, "Duplicate mount point") {
  468. c.Fatalf("Expected 'duplicate mount point' error, got %v", out)
  469. }
  470. }
  471. // Test for https://github.com/docker/docker/issues/22093
  472. volumename1 := "test1"
  473. volumename2 := "test2"
  474. volume1 := volumename1 + someplace
  475. volume2 := volumename2 + someplace
  476. if out, _, err := dockerCmdWithError("run", "-v", volume1, "-v", volume2, "busybox", "true"); err == nil {
  477. c.Fatal("Expected error about duplicate mount definitions")
  478. } else {
  479. if !strings.Contains(out, "Duplicate mount point") {
  480. c.Fatalf("Expected 'duplicate mount point' error, got %v", out)
  481. }
  482. }
  483. // create failed should have create volume volumename1 or volumename2
  484. // we should remove volumename2 or volumename2 successfully
  485. out, _ := dockerCmd(c, "volume", "ls")
  486. if strings.Contains(out, volumename1) {
  487. dockerCmd(c, "volume", "rm", volumename1)
  488. } else {
  489. dockerCmd(c, "volume", "rm", volumename2)
  490. }
  491. }
  492. // Test for #1351
  493. func (s *DockerSuite) TestRunApplyVolumesFromBeforeVolumes(c *check.C) {
  494. prefix := ""
  495. if daemonPlatform == "windows" {
  496. prefix = `c:`
  497. }
  498. dockerCmd(c, "run", "--name", "parent", "-v", prefix+"/test", "busybox", "touch", prefix+"/test/foo")
  499. dockerCmd(c, "run", "--volumes-from", "parent", "-v", prefix+"/test", "busybox", "cat", prefix+"/test/foo")
  500. }
  501. func (s *DockerSuite) TestRunMultipleVolumesFrom(c *check.C) {
  502. prefix := ""
  503. if daemonPlatform == "windows" {
  504. prefix = `c:`
  505. }
  506. dockerCmd(c, "run", "--name", "parent1", "-v", prefix+"/test", "busybox", "touch", prefix+"/test/foo")
  507. dockerCmd(c, "run", "--name", "parent2", "-v", prefix+"/other", "busybox", "touch", prefix+"/other/bar")
  508. dockerCmd(c, "run", "--volumes-from", "parent1", "--volumes-from", "parent2", "busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
  509. }
  510. // this tests verifies the ID format for the container
  511. func (s *DockerSuite) TestRunVerifyContainerID(c *check.C) {
  512. out, exit, err := dockerCmdWithError("run", "-d", "busybox", "true")
  513. if err != nil {
  514. c.Fatal(err)
  515. }
  516. if exit != 0 {
  517. c.Fatalf("expected exit code 0 received %d", exit)
  518. }
  519. match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
  520. if err != nil {
  521. c.Fatal(err)
  522. }
  523. if !match {
  524. c.Fatalf("Invalid container ID: %s", out)
  525. }
  526. }
  527. // Test that creating a container with a volume doesn't crash. Regression test for #995.
  528. func (s *DockerSuite) TestRunCreateVolume(c *check.C) {
  529. prefix := ""
  530. if daemonPlatform == "windows" {
  531. prefix = `c:`
  532. }
  533. dockerCmd(c, "run", "-v", prefix+"/var/lib/data", "busybox", "true")
  534. }
  535. // Test that creating a volume with a symlink in its path works correctly. Test for #5152.
  536. // Note that this bug happens only with symlinks with a target that starts with '/'.
  537. func (s *DockerSuite) TestRunCreateVolumeWithSymlink(c *check.C) {
  538. // Cannot run on Windows as relies on Linux-specific functionality (sh -c mount...)
  539. testRequires(c, DaemonIsLinux)
  540. image := "docker-test-createvolumewithsymlink"
  541. buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-")
  542. buildCmd.Stdin = strings.NewReader(`FROM busybox
  543. RUN ln -s home /bar`)
  544. buildCmd.Dir = workingDirectory
  545. err := buildCmd.Run()
  546. if err != nil {
  547. c.Fatalf("could not build '%s': %v", image, err)
  548. }
  549. _, exitCode, err := dockerCmdWithError("run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
  550. if err != nil || exitCode != 0 {
  551. c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
  552. }
  553. volPath, err := inspectMountSourceField("test-createvolumewithsymlink", "/bar/foo")
  554. c.Assert(err, checker.IsNil)
  555. _, exitCode, err = dockerCmdWithError("rm", "-v", "test-createvolumewithsymlink")
  556. if err != nil || exitCode != 0 {
  557. c.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
  558. }
  559. _, err = os.Stat(volPath)
  560. if !os.IsNotExist(err) {
  561. c.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
  562. }
  563. }
  564. // Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
  565. func (s *DockerSuite) TestRunVolumesFromSymlinkPath(c *check.C) {
  566. // TODO Windows (Post TP5): This test cannot run on a Windows daemon as
  567. // Windows does not support symlinks inside a volume path
  568. testRequires(c, DaemonIsLinux)
  569. name := "docker-test-volumesfromsymlinkpath"
  570. prefix := ""
  571. dfContents := `FROM busybox
  572. RUN ln -s home /foo
  573. VOLUME ["/foo/bar"]`
  574. if daemonPlatform == "windows" {
  575. prefix = `c:`
  576. dfContents = `FROM ` + WindowsBaseImage + `
  577. RUN mkdir c:\home
  578. RUN mklink /D c:\foo c:\home
  579. VOLUME ["c:/foo/bar"]
  580. ENTRYPOINT c:\windows\system32\cmd.exe`
  581. }
  582. buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
  583. buildCmd.Stdin = strings.NewReader(dfContents)
  584. buildCmd.Dir = workingDirectory
  585. err := buildCmd.Run()
  586. if err != nil {
  587. c.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
  588. }
  589. out, exitCode, err := dockerCmdWithError("run", "--name", "test-volumesfromsymlinkpath", name)
  590. if err != nil || exitCode != 0 {
  591. c.Fatalf("[run] (volume) err: %v, exitcode: %d, out: %s", err, exitCode, out)
  592. }
  593. _, exitCode, err = dockerCmdWithError("run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls "+prefix+"/foo | grep -q bar")
  594. if err != nil || exitCode != 0 {
  595. c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
  596. }
  597. }
  598. func (s *DockerSuite) TestRunExitCode(c *check.C) {
  599. var (
  600. exit int
  601. err error
  602. )
  603. _, exit, err = dockerCmdWithError("run", "busybox", "/bin/sh", "-c", "exit 72")
  604. if err == nil {
  605. c.Fatal("should not have a non nil error")
  606. }
  607. if exit != 72 {
  608. c.Fatalf("expected exit code 72 received %d", exit)
  609. }
  610. }
  611. func (s *DockerSuite) TestRunUserDefaults(c *check.C) {
  612. expected := "uid=0(root) gid=0(root)"
  613. if daemonPlatform == "windows" {
  614. expected = "uid=1000(ContainerAdministrator) gid=1000(ContainerAdministrator)"
  615. }
  616. out, _ := dockerCmd(c, "run", "busybox", "id")
  617. if !strings.Contains(out, expected) {
  618. c.Fatalf("expected '%s' got %s", expected, out)
  619. }
  620. }
  621. func (s *DockerSuite) TestRunUserByName(c *check.C) {
  622. // TODO Windows: This test cannot run on a Windows daemon as Windows does
  623. // not support the use of -u
  624. testRequires(c, DaemonIsLinux)
  625. out, _ := dockerCmd(c, "run", "-u", "root", "busybox", "id")
  626. if !strings.Contains(out, "uid=0(root) gid=0(root)") {
  627. c.Fatalf("expected root user got %s", out)
  628. }
  629. }
  630. func (s *DockerSuite) TestRunUserByID(c *check.C) {
  631. // TODO Windows: This test cannot run on a Windows daemon as Windows does
  632. // not support the use of -u
  633. testRequires(c, DaemonIsLinux)
  634. out, _ := dockerCmd(c, "run", "-u", "1", "busybox", "id")
  635. if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
  636. c.Fatalf("expected daemon user got %s", out)
  637. }
  638. }
  639. func (s *DockerSuite) TestRunUserByIDBig(c *check.C) {
  640. // TODO Windows: This test cannot run on a Windows daemon as Windows does
  641. // not support the use of -u
  642. testRequires(c, DaemonIsLinux, NotArm)
  643. out, _, err := dockerCmdWithError("run", "-u", "2147483648", "busybox", "id")
  644. if err == nil {
  645. c.Fatal("No error, but must be.", out)
  646. }
  647. if !strings.Contains(strings.ToUpper(out), strings.ToUpper(libcontainerUser.ErrRange.Error())) {
  648. c.Fatalf("expected error about uids range, got %s", out)
  649. }
  650. }
  651. func (s *DockerSuite) TestRunUserByIDNegative(c *check.C) {
  652. // TODO Windows: This test cannot run on a Windows daemon as Windows does
  653. // not support the use of -u
  654. testRequires(c, DaemonIsLinux)
  655. out, _, err := dockerCmdWithError("run", "-u", "-1", "busybox", "id")
  656. if err == nil {
  657. c.Fatal("No error, but must be.", out)
  658. }
  659. if !strings.Contains(strings.ToUpper(out), strings.ToUpper(libcontainerUser.ErrRange.Error())) {
  660. c.Fatalf("expected error about uids range, got %s", out)
  661. }
  662. }
  663. func (s *DockerSuite) TestRunUserByIDZero(c *check.C) {
  664. // TODO Windows: This test cannot run on a Windows daemon as Windows does
  665. // not support the use of -u
  666. testRequires(c, DaemonIsLinux)
  667. out, _, err := dockerCmdWithError("run", "-u", "0", "busybox", "id")
  668. if err != nil {
  669. c.Fatal(err, out)
  670. }
  671. if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
  672. c.Fatalf("expected daemon user got %s", out)
  673. }
  674. }
  675. func (s *DockerSuite) TestRunUserNotFound(c *check.C) {
  676. // TODO Windows: This test cannot run on a Windows daemon as Windows does
  677. // not support the use of -u
  678. testRequires(c, DaemonIsLinux)
  679. _, _, err := dockerCmdWithError("run", "-u", "notme", "busybox", "id")
  680. if err == nil {
  681. c.Fatal("unknown user should cause container to fail")
  682. }
  683. }
  684. func (s *DockerSuite) TestRunTwoConcurrentContainers(c *check.C) {
  685. sleepTime := "2"
  686. group := sync.WaitGroup{}
  687. group.Add(2)
  688. errChan := make(chan error, 2)
  689. for i := 0; i < 2; i++ {
  690. go func() {
  691. defer group.Done()
  692. _, _, err := dockerCmdWithError("run", "busybox", "sleep", sleepTime)
  693. errChan <- err
  694. }()
  695. }
  696. group.Wait()
  697. close(errChan)
  698. for err := range errChan {
  699. c.Assert(err, check.IsNil)
  700. }
  701. }
  702. func (s *DockerSuite) TestRunEnvironment(c *check.C) {
  703. // TODO Windows: Environment handling is different between Linux and
  704. // Windows and this test relies currently on unix functionality.
  705. testRequires(c, DaemonIsLinux)
  706. cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env")
  707. cmd.Env = append(os.Environ(),
  708. "TRUE=false",
  709. "TRICKY=tri\ncky\n",
  710. )
  711. out, _, err := runCommandWithOutput(cmd)
  712. if err != nil {
  713. c.Fatal(err, out)
  714. }
  715. actualEnv := strings.Split(strings.TrimSpace(out), "\n")
  716. sort.Strings(actualEnv)
  717. goodEnv := []string{
  718. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  719. "HOSTNAME=testing",
  720. "FALSE=true",
  721. "TRUE=false",
  722. "TRICKY=tri",
  723. "cky",
  724. "",
  725. "HOME=/root",
  726. }
  727. sort.Strings(goodEnv)
  728. if len(goodEnv) != len(actualEnv) {
  729. c.Fatalf("Wrong environment: should be %d variables, not %d: %q", len(goodEnv), len(actualEnv), strings.Join(actualEnv, ", "))
  730. }
  731. for i := range goodEnv {
  732. if actualEnv[i] != goodEnv[i] {
  733. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  734. }
  735. }
  736. }
  737. func (s *DockerSuite) TestRunEnvironmentErase(c *check.C) {
  738. // TODO Windows: Environment handling is different between Linux and
  739. // Windows and this test relies currently on unix functionality.
  740. testRequires(c, DaemonIsLinux)
  741. // Test to make sure that when we use -e on env vars that are
  742. // not set in our local env that they're removed (if present) in
  743. // the container
  744. cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env")
  745. cmd.Env = appendBaseEnv(true)
  746. out, _, err := runCommandWithOutput(cmd)
  747. if err != nil {
  748. c.Fatal(err, out)
  749. }
  750. actualEnv := strings.Split(strings.TrimSpace(out), "\n")
  751. sort.Strings(actualEnv)
  752. goodEnv := []string{
  753. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  754. "HOME=/root",
  755. }
  756. sort.Strings(goodEnv)
  757. if len(goodEnv) != len(actualEnv) {
  758. c.Fatalf("Wrong environment: should be %d variables, not %d: %q", len(goodEnv), len(actualEnv), strings.Join(actualEnv, ", "))
  759. }
  760. for i := range goodEnv {
  761. if actualEnv[i] != goodEnv[i] {
  762. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  763. }
  764. }
  765. }
  766. func (s *DockerSuite) TestRunEnvironmentOverride(c *check.C) {
  767. // TODO Windows: Environment handling is different between Linux and
  768. // Windows and this test relies currently on unix functionality.
  769. testRequires(c, DaemonIsLinux)
  770. // Test to make sure that when we use -e on env vars that are
  771. // already in the env that we're overriding them
  772. cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env")
  773. cmd.Env = appendBaseEnv(true, "HOSTNAME=bar")
  774. out, _, err := runCommandWithOutput(cmd)
  775. if err != nil {
  776. c.Fatal(err, out)
  777. }
  778. actualEnv := strings.Split(strings.TrimSpace(out), "\n")
  779. sort.Strings(actualEnv)
  780. goodEnv := []string{
  781. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  782. "HOME=/root2",
  783. "HOSTNAME=bar",
  784. }
  785. sort.Strings(goodEnv)
  786. if len(goodEnv) != len(actualEnv) {
  787. c.Fatalf("Wrong environment: should be %d variables, not %d: %q", len(goodEnv), len(actualEnv), strings.Join(actualEnv, ", "))
  788. }
  789. for i := range goodEnv {
  790. if actualEnv[i] != goodEnv[i] {
  791. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  792. }
  793. }
  794. }
  795. func (s *DockerSuite) TestRunContainerNetwork(c *check.C) {
  796. if daemonPlatform == "windows" {
  797. // Windows busybox does not have ping. Use built in ping instead.
  798. dockerCmd(c, "run", WindowsBaseImage, "ping", "-n", "1", "127.0.0.1")
  799. } else {
  800. dockerCmd(c, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
  801. }
  802. }
  803. func (s *DockerSuite) TestRunNetHostNotAllowedWithLinks(c *check.C) {
  804. // TODO Windows: This is Linux specific as --link is not supported and
  805. // this will be deprecated in favor of container networking model.
  806. testRequires(c, DaemonIsLinux, NotUserNamespace)
  807. dockerCmd(c, "run", "--name", "linked", "busybox", "true")
  808. _, _, err := dockerCmdWithError("run", "--net=host", "--link", "linked:linked", "busybox", "true")
  809. if err == nil {
  810. c.Fatal("Expected error")
  811. }
  812. }
  813. // #7851 hostname outside container shows FQDN, inside only shortname
  814. // For testing purposes it is not required to set host's hostname directly
  815. // and use "--net=host" (as the original issue submitter did), as the same
  816. // codepath is executed with "docker run -h <hostname>". Both were manually
  817. // tested, but this testcase takes the simpler path of using "run -h .."
  818. func (s *DockerSuite) TestRunFullHostnameSet(c *check.C) {
  819. // TODO Windows: -h is not yet functional.
  820. testRequires(c, DaemonIsLinux)
  821. out, _ := dockerCmd(c, "run", "-h", "foo.bar.baz", "busybox", "hostname")
  822. if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
  823. c.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
  824. }
  825. }
  826. func (s *DockerSuite) TestRunPrivilegedCanMknod(c *check.C) {
  827. // Not applicable for Windows as Windows daemon does not support
  828. // the concept of --privileged, and mknod is a Unix concept.
  829. testRequires(c, DaemonIsLinux, NotUserNamespace)
  830. out, _ := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  831. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  832. c.Fatalf("expected output ok received %s", actual)
  833. }
  834. }
  835. func (s *DockerSuite) TestRunUnprivilegedCanMknod(c *check.C) {
  836. // Not applicable for Windows as Windows daemon does not support
  837. // the concept of --privileged, and mknod is a Unix concept.
  838. testRequires(c, DaemonIsLinux, NotUserNamespace)
  839. out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  840. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  841. c.Fatalf("expected output ok received %s", actual)
  842. }
  843. }
  844. func (s *DockerSuite) TestRunCapDropInvalid(c *check.C) {
  845. // Not applicable for Windows as there is no concept of --cap-drop
  846. testRequires(c, DaemonIsLinux)
  847. out, _, err := dockerCmdWithError("run", "--cap-drop=CHPASS", "busybox", "ls")
  848. if err == nil {
  849. c.Fatal(err, out)
  850. }
  851. }
  852. func (s *DockerSuite) TestRunCapDropCannotMknod(c *check.C) {
  853. // Not applicable for Windows as there is no concept of --cap-drop or mknod
  854. testRequires(c, DaemonIsLinux)
  855. out, _, err := dockerCmdWithError("run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  856. if err == nil {
  857. c.Fatal(err, out)
  858. }
  859. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  860. c.Fatalf("expected output not ok received %s", actual)
  861. }
  862. }
  863. func (s *DockerSuite) TestRunCapDropCannotMknodLowerCase(c *check.C) {
  864. // Not applicable for Windows as there is no concept of --cap-drop or mknod
  865. testRequires(c, DaemonIsLinux)
  866. out, _, err := dockerCmdWithError("run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  867. if err == nil {
  868. c.Fatal(err, out)
  869. }
  870. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  871. c.Fatalf("expected output not ok received %s", actual)
  872. }
  873. }
  874. func (s *DockerSuite) TestRunCapDropALLCannotMknod(c *check.C) {
  875. // Not applicable for Windows as there is no concept of --cap-drop or mknod
  876. testRequires(c, DaemonIsLinux)
  877. out, _, err := dockerCmdWithError("run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  878. if err == nil {
  879. c.Fatal(err, out)
  880. }
  881. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  882. c.Fatalf("expected output not ok received %s", actual)
  883. }
  884. }
  885. func (s *DockerSuite) TestRunCapDropALLAddMknodCanMknod(c *check.C) {
  886. // Not applicable for Windows as there is no concept of --cap-drop or mknod
  887. testRequires(c, DaemonIsLinux, NotUserNamespace)
  888. out, _ := dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  889. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  890. c.Fatalf("expected output ok received %s", actual)
  891. }
  892. }
  893. func (s *DockerSuite) TestRunCapAddInvalid(c *check.C) {
  894. // Not applicable for Windows as there is no concept of --cap-add
  895. testRequires(c, DaemonIsLinux)
  896. out, _, err := dockerCmdWithError("run", "--cap-add=CHPASS", "busybox", "ls")
  897. if err == nil {
  898. c.Fatal(err, out)
  899. }
  900. }
  901. func (s *DockerSuite) TestRunCapAddCanDownInterface(c *check.C) {
  902. // Not applicable for Windows as there is no concept of --cap-add
  903. testRequires(c, DaemonIsLinux)
  904. out, _ := dockerCmd(c, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  905. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  906. c.Fatalf("expected output ok received %s", actual)
  907. }
  908. }
  909. func (s *DockerSuite) TestRunCapAddALLCanDownInterface(c *check.C) {
  910. // Not applicable for Windows as there is no concept of --cap-add
  911. testRequires(c, DaemonIsLinux)
  912. out, _ := dockerCmd(c, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  913. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  914. c.Fatalf("expected output ok received %s", actual)
  915. }
  916. }
  917. func (s *DockerSuite) TestRunCapAddALLDropNetAdminCanDownInterface(c *check.C) {
  918. // Not applicable for Windows as there is no concept of --cap-add
  919. testRequires(c, DaemonIsLinux)
  920. out, _, err := dockerCmdWithError("run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  921. if err == nil {
  922. c.Fatal(err, out)
  923. }
  924. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  925. c.Fatalf("expected output not ok received %s", actual)
  926. }
  927. }
  928. func (s *DockerSuite) TestRunGroupAdd(c *check.C) {
  929. // Not applicable for Windows as there is no concept of --group-add
  930. testRequires(c, DaemonIsLinux)
  931. out, _ := dockerCmd(c, "run", "--group-add=audio", "--group-add=staff", "--group-add=777", "busybox", "sh", "-c", "id")
  932. groupsList := "uid=0(root) gid=0(root) groups=10(wheel),29(audio),50(staff),777"
  933. if actual := strings.Trim(out, "\r\n"); actual != groupsList {
  934. c.Fatalf("expected output %s received %s", groupsList, actual)
  935. }
  936. }
  937. func (s *DockerSuite) TestRunPrivilegedCanMount(c *check.C) {
  938. // Not applicable for Windows as there is no concept of --privileged
  939. testRequires(c, DaemonIsLinux, NotUserNamespace)
  940. out, _ := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  941. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  942. c.Fatalf("expected output ok received %s", actual)
  943. }
  944. }
  945. func (s *DockerSuite) TestRunUnprivilegedCannotMount(c *check.C) {
  946. // Not applicable for Windows as there is no concept of unprivileged
  947. testRequires(c, DaemonIsLinux)
  948. out, _, err := dockerCmdWithError("run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  949. if err == nil {
  950. c.Fatal(err, out)
  951. }
  952. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  953. c.Fatalf("expected output not ok received %s", actual)
  954. }
  955. }
  956. func (s *DockerSuite) TestRunSysNotWritableInNonPrivilegedContainers(c *check.C) {
  957. // Not applicable for Windows as there is no concept of unprivileged
  958. testRequires(c, DaemonIsLinux, NotArm)
  959. if _, code, err := dockerCmdWithError("run", "busybox", "touch", "/sys/kernel/profiling"); err == nil || code == 0 {
  960. c.Fatal("sys should not be writable in a non privileged container")
  961. }
  962. }
  963. func (s *DockerSuite) TestRunSysWritableInPrivilegedContainers(c *check.C) {
  964. // Not applicable for Windows as there is no concept of unprivileged
  965. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  966. if _, code, err := dockerCmdWithError("run", "--privileged", "busybox", "touch", "/sys/kernel/profiling"); err != nil || code != 0 {
  967. c.Fatalf("sys should be writable in privileged container")
  968. }
  969. }
  970. func (s *DockerSuite) TestRunProcNotWritableInNonPrivilegedContainers(c *check.C) {
  971. // Not applicable for Windows as there is no concept of unprivileged
  972. testRequires(c, DaemonIsLinux)
  973. if _, code, err := dockerCmdWithError("run", "busybox", "touch", "/proc/sysrq-trigger"); err == nil || code == 0 {
  974. c.Fatal("proc should not be writable in a non privileged container")
  975. }
  976. }
  977. func (s *DockerSuite) TestRunProcWritableInPrivilegedContainers(c *check.C) {
  978. // Not applicable for Windows as there is no concept of --privileged
  979. testRequires(c, DaemonIsLinux, NotUserNamespace)
  980. if _, code := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "touch /proc/sysrq-trigger"); code != 0 {
  981. c.Fatalf("proc should be writable in privileged container")
  982. }
  983. }
  984. func (s *DockerSuite) TestRunDeviceNumbers(c *check.C) {
  985. // Not applicable on Windows as /dev/ is a Unix specific concept
  986. // TODO: NotUserNamespace could be removed here if "root" "root" is replaced w user
  987. testRequires(c, DaemonIsLinux, NotUserNamespace)
  988. out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "ls -l /dev/null")
  989. deviceLineFields := strings.Fields(out)
  990. deviceLineFields[6] = ""
  991. deviceLineFields[7] = ""
  992. deviceLineFields[8] = ""
  993. expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"}
  994. if !(reflect.DeepEqual(deviceLineFields, expected)) {
  995. c.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out)
  996. }
  997. }
  998. func (s *DockerSuite) TestRunThatCharacterDevicesActLikeCharacterDevices(c *check.C) {
  999. // Not applicable on Windows as /dev/ is a Unix specific concept
  1000. testRequires(c, DaemonIsLinux)
  1001. out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero")
  1002. if actual := strings.Trim(out, "\r\n"); actual[0] == '0' {
  1003. c.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual)
  1004. }
  1005. }
  1006. func (s *DockerSuite) TestRunUnprivilegedWithChroot(c *check.C) {
  1007. // Not applicable on Windows as it does not support chroot
  1008. testRequires(c, DaemonIsLinux)
  1009. dockerCmd(c, "run", "busybox", "chroot", "/", "true")
  1010. }
  1011. func (s *DockerSuite) TestRunAddingOptionalDevices(c *check.C) {
  1012. // Not applicable on Windows as Windows does not support --device
  1013. testRequires(c, DaemonIsLinux, NotUserNamespace)
  1014. out, _ := dockerCmd(c, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo")
  1015. if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" {
  1016. c.Fatalf("expected output /dev/nulo, received %s", actual)
  1017. }
  1018. }
  1019. func (s *DockerSuite) TestRunAddingOptionalDevicesNoSrc(c *check.C) {
  1020. // Not applicable on Windows as Windows does not support --device
  1021. testRequires(c, DaemonIsLinux, NotUserNamespace)
  1022. out, _ := dockerCmd(c, "run", "--device", "/dev/zero:rw", "busybox", "sh", "-c", "ls /dev/zero")
  1023. if actual := strings.Trim(out, "\r\n"); actual != "/dev/zero" {
  1024. c.Fatalf("expected output /dev/zero, received %s", actual)
  1025. }
  1026. }
  1027. func (s *DockerSuite) TestRunAddingOptionalDevicesInvalidMode(c *check.C) {
  1028. // Not applicable on Windows as Windows does not support --device
  1029. testRequires(c, DaemonIsLinux, NotUserNamespace)
  1030. _, _, err := dockerCmdWithError("run", "--device", "/dev/zero:ro", "busybox", "sh", "-c", "ls /dev/zero")
  1031. if err == nil {
  1032. c.Fatalf("run container with device mode ro should fail")
  1033. }
  1034. }
  1035. func (s *DockerSuite) TestRunModeHostname(c *check.C) {
  1036. // Not applicable on Windows as Windows does not support -h
  1037. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  1038. out, _ := dockerCmd(c, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname")
  1039. if actual := strings.Trim(out, "\r\n"); actual != "testhostname" {
  1040. c.Fatalf("expected 'testhostname', but says: %q", actual)
  1041. }
  1042. out, _ = dockerCmd(c, "run", "--net=host", "busybox", "cat", "/etc/hostname")
  1043. hostname, err := os.Hostname()
  1044. if err != nil {
  1045. c.Fatal(err)
  1046. }
  1047. if actual := strings.Trim(out, "\r\n"); actual != hostname {
  1048. c.Fatalf("expected %q, but says: %q", hostname, actual)
  1049. }
  1050. }
  1051. func (s *DockerSuite) TestRunRootWorkdir(c *check.C) {
  1052. out, _ := dockerCmd(c, "run", "--workdir", "/", "busybox", "pwd")
  1053. expected := "/\n"
  1054. if daemonPlatform == "windows" {
  1055. expected = "C:" + expected
  1056. }
  1057. if out != expected {
  1058. c.Fatalf("pwd returned %q (expected %s)", s, expected)
  1059. }
  1060. }
  1061. func (s *DockerSuite) TestRunAllowBindMountingRoot(c *check.C) {
  1062. if daemonPlatform == "windows" {
  1063. // Windows busybox will fail with Permission Denied on items such as pagefile.sys
  1064. dockerCmd(c, "run", "-v", `c:\:c:\host`, WindowsBaseImage, "cmd", "-c", "dir", `c:\host`)
  1065. } else {
  1066. dockerCmd(c, "run", "-v", "/:/host", "busybox", "ls", "/host")
  1067. }
  1068. }
  1069. func (s *DockerSuite) TestRunDisallowBindMountingRootToRoot(c *check.C) {
  1070. mount := "/:/"
  1071. targetDir := "/host"
  1072. if daemonPlatform == "windows" {
  1073. mount = `c:\:c\`
  1074. targetDir = "c:/host" // Forward slash as using busybox
  1075. }
  1076. out, _, err := dockerCmdWithError("run", "-v", mount, "busybox", "ls", targetDir)
  1077. if err == nil {
  1078. c.Fatal(out, err)
  1079. }
  1080. }
  1081. // Verify that a container gets default DNS when only localhost resolvers exist
  1082. func (s *DockerSuite) TestRunDNSDefaultOptions(c *check.C) {
  1083. // Not applicable on Windows as this is testing Unix specific functionality
  1084. testRequires(c, SameHostDaemon, DaemonIsLinux)
  1085. // preserve original resolv.conf for restoring after test
  1086. origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1087. if os.IsNotExist(err) {
  1088. c.Fatalf("/etc/resolv.conf does not exist")
  1089. }
  1090. // defer restored original conf
  1091. defer func() {
  1092. if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  1093. c.Fatal(err)
  1094. }
  1095. }()
  1096. // test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost
  1097. // 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by
  1098. // GetNameservers(), leading to a replacement of nameservers with the default set
  1099. tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1")
  1100. if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  1101. c.Fatal(err)
  1102. }
  1103. actual, _ := dockerCmd(c, "run", "busybox", "cat", "/etc/resolv.conf")
  1104. // check that the actual defaults are appended to the commented out
  1105. // localhost resolver (which should be preserved)
  1106. // NOTE: if we ever change the defaults from google dns, this will break
  1107. expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4\n"
  1108. if actual != expected {
  1109. c.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual)
  1110. }
  1111. }
  1112. func (s *DockerSuite) TestRunDNSOptions(c *check.C) {
  1113. // Not applicable on Windows as Windows does not support --dns*, or
  1114. // the Unix-specific functionality of resolv.conf.
  1115. testRequires(c, DaemonIsLinux)
  1116. out, stderr, _ := dockerCmdWithStdoutStderr(c, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "--dns-opt=ndots:9", "busybox", "cat", "/etc/resolv.conf")
  1117. // The client will get a warning on stderr when setting DNS to a localhost address; verify this:
  1118. if !strings.Contains(stderr, "Localhost DNS setting") {
  1119. c.Fatalf("Expected warning on stderr about localhost resolver, but got %q", stderr)
  1120. }
  1121. actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
  1122. if actual != "search mydomain nameserver 127.0.0.1 options ndots:9" {
  1123. c.Fatalf("expected 'search mydomain nameserver 127.0.0.1 options ndots:9', but says: %q", actual)
  1124. }
  1125. out, stderr, _ = dockerCmdWithStdoutStderr(c, "run", "--dns=127.0.0.1", "--dns-search=.", "--dns-opt=ndots:3", "busybox", "cat", "/etc/resolv.conf")
  1126. actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1)
  1127. if actual != "nameserver 127.0.0.1 options ndots:3" {
  1128. c.Fatalf("expected 'nameserver 127.0.0.1 options ndots:3', but says: %q", actual)
  1129. }
  1130. }
  1131. func (s *DockerSuite) TestRunDNSRepeatOptions(c *check.C) {
  1132. testRequires(c, DaemonIsLinux)
  1133. out, _, _ := dockerCmdWithStdoutStderr(c, "run", "--dns=1.1.1.1", "--dns=2.2.2.2", "--dns-search=mydomain", "--dns-search=mydomain2", "--dns-opt=ndots:9", "--dns-opt=timeout:3", "busybox", "cat", "/etc/resolv.conf")
  1134. actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
  1135. if actual != "search mydomain mydomain2 nameserver 1.1.1.1 nameserver 2.2.2.2 options ndots:9 timeout:3" {
  1136. c.Fatalf("expected 'search mydomain mydomain2 nameserver 1.1.1.1 nameserver 2.2.2.2 options ndots:9 timeout:3', but says: %q", actual)
  1137. }
  1138. }
  1139. func (s *DockerSuite) TestRunDNSOptionsBasedOnHostResolvConf(c *check.C) {
  1140. // Not applicable on Windows as testing Unix specific functionality
  1141. testRequires(c, SameHostDaemon, DaemonIsLinux)
  1142. origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1143. if os.IsNotExist(err) {
  1144. c.Fatalf("/etc/resolv.conf does not exist")
  1145. }
  1146. hostNameservers := resolvconf.GetNameservers(origResolvConf, types.IP)
  1147. hostSearch := resolvconf.GetSearchDomains(origResolvConf)
  1148. var out string
  1149. out, _ = dockerCmd(c, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf")
  1150. if actualNameservers := resolvconf.GetNameservers([]byte(out), types.IP); string(actualNameservers[0]) != "127.0.0.1" {
  1151. c.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0]))
  1152. }
  1153. actualSearch := resolvconf.GetSearchDomains([]byte(out))
  1154. if len(actualSearch) != len(hostSearch) {
  1155. c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  1156. }
  1157. for i := range actualSearch {
  1158. if actualSearch[i] != hostSearch[i] {
  1159. c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  1160. }
  1161. }
  1162. out, _ = dockerCmd(c, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  1163. actualNameservers := resolvconf.GetNameservers([]byte(out), types.IP)
  1164. if len(actualNameservers) != len(hostNameservers) {
  1165. c.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNameservers), len(actualNameservers))
  1166. }
  1167. for i := range actualNameservers {
  1168. if actualNameservers[i] != hostNameservers[i] {
  1169. c.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNameservers[i])
  1170. }
  1171. }
  1172. if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" {
  1173. c.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0]))
  1174. }
  1175. // test with file
  1176. tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1")
  1177. if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  1178. c.Fatal(err)
  1179. }
  1180. // put the old resolvconf back
  1181. defer func() {
  1182. if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  1183. c.Fatal(err)
  1184. }
  1185. }()
  1186. resolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1187. if os.IsNotExist(err) {
  1188. c.Fatalf("/etc/resolv.conf does not exist")
  1189. }
  1190. hostNameservers = resolvconf.GetNameservers(resolvConf, types.IP)
  1191. hostSearch = resolvconf.GetSearchDomains(resolvConf)
  1192. out, _ = dockerCmd(c, "run", "busybox", "cat", "/etc/resolv.conf")
  1193. if actualNameservers = resolvconf.GetNameservers([]byte(out), types.IP); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 {
  1194. c.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers)
  1195. }
  1196. actualSearch = resolvconf.GetSearchDomains([]byte(out))
  1197. if len(actualSearch) != len(hostSearch) {
  1198. c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  1199. }
  1200. for i := range actualSearch {
  1201. if actualSearch[i] != hostSearch[i] {
  1202. c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  1203. }
  1204. }
  1205. }
  1206. // Test to see if a non-root user can resolve a DNS name. Also
  1207. // check if the container resolv.conf file has at least 0644 perm.
  1208. func (s *DockerSuite) TestRunNonRootUserResolvName(c *check.C) {
  1209. // Not applicable on Windows as Windows does not support --user
  1210. testRequires(c, SameHostDaemon, Network, DaemonIsLinux, NotArm)
  1211. dockerCmd(c, "run", "--name=testperm", "--user=nobody", "busybox", "nslookup", "apt.dockerproject.org")
  1212. cID, err := getIDByName("testperm")
  1213. if err != nil {
  1214. c.Fatal(err)
  1215. }
  1216. fmode := (os.FileMode)(0644)
  1217. finfo, err := os.Stat(containerStorageFile(cID, "resolv.conf"))
  1218. if err != nil {
  1219. c.Fatal(err)
  1220. }
  1221. if (finfo.Mode() & fmode) != fmode {
  1222. c.Fatalf("Expected container resolv.conf mode to be at least %s, instead got %s", fmode.String(), finfo.Mode().String())
  1223. }
  1224. }
  1225. // Test if container resolv.conf gets updated the next time it restarts
  1226. // if host /etc/resolv.conf has changed. This only applies if the container
  1227. // uses the host's /etc/resolv.conf and does not have any dns options provided.
  1228. func (s *DockerSuite) TestRunResolvconfUpdate(c *check.C) {
  1229. // Not applicable on Windows as testing unix specific functionality
  1230. testRequires(c, SameHostDaemon, DaemonIsLinux)
  1231. c.Skip("Unstable test, to be re-activated once #19937 is resolved")
  1232. tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78\n")
  1233. tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1")
  1234. //take a copy of resolv.conf for restoring after test completes
  1235. resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
  1236. if err != nil {
  1237. c.Fatal(err)
  1238. }
  1239. // This test case is meant to test monitoring resolv.conf when it is
  1240. // a regular file not a bind mounc. So we unmount resolv.conf and replace
  1241. // it with a file containing the original settings.
  1242. cmd := exec.Command("umount", "/etc/resolv.conf")
  1243. if _, err = runCommand(cmd); err != nil {
  1244. c.Fatal(err)
  1245. }
  1246. //cleanup
  1247. defer func() {
  1248. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1249. c.Fatal(err)
  1250. }
  1251. }()
  1252. //1. test that a restarting container gets an updated resolv.conf
  1253. dockerCmd(c, "run", "--name=first", "busybox", "true")
  1254. containerID1, err := getIDByName("first")
  1255. if err != nil {
  1256. c.Fatal(err)
  1257. }
  1258. // replace resolv.conf with our temporary copy
  1259. bytesResolvConf := []byte(tmpResolvConf)
  1260. if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1261. c.Fatal(err)
  1262. }
  1263. // start the container again to pickup changes
  1264. dockerCmd(c, "start", "first")
  1265. // check for update in container
  1266. containerResolv, err := readContainerFile(containerID1, "resolv.conf")
  1267. if err != nil {
  1268. c.Fatal(err)
  1269. }
  1270. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1271. c.Fatalf("Restarted container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
  1272. }
  1273. /* //make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
  1274. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1275. c.Fatal(err)
  1276. } */
  1277. //2. test that a restarting container does not receive resolv.conf updates
  1278. // if it modified the container copy of the starting point resolv.conf
  1279. dockerCmd(c, "run", "--name=second", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf")
  1280. containerID2, err := getIDByName("second")
  1281. if err != nil {
  1282. c.Fatal(err)
  1283. }
  1284. //make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
  1285. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1286. c.Fatal(err)
  1287. }
  1288. // start the container again
  1289. dockerCmd(c, "start", "second")
  1290. // check for update in container
  1291. containerResolv, err = readContainerFile(containerID2, "resolv.conf")
  1292. if err != nil {
  1293. c.Fatal(err)
  1294. }
  1295. if bytes.Equal(containerResolv, resolvConfSystem) {
  1296. c.Fatalf("Container's resolv.conf should not have been updated with host resolv.conf: %q", string(containerResolv))
  1297. }
  1298. //3. test that a running container's resolv.conf is not modified while running
  1299. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  1300. runningContainerID := strings.TrimSpace(out)
  1301. // replace resolv.conf
  1302. if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1303. c.Fatal(err)
  1304. }
  1305. // check for update in container
  1306. containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
  1307. if err != nil {
  1308. c.Fatal(err)
  1309. }
  1310. if bytes.Equal(containerResolv, bytesResolvConf) {
  1311. c.Fatalf("Running container should not have updated resolv.conf; expected %q, got %q", string(resolvConfSystem), string(containerResolv))
  1312. }
  1313. //4. test that a running container's resolv.conf is updated upon restart
  1314. // (the above container is still running..)
  1315. dockerCmd(c, "restart", runningContainerID)
  1316. // check for update in container
  1317. containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
  1318. if err != nil {
  1319. c.Fatal(err)
  1320. }
  1321. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1322. c.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", string(bytesResolvConf), string(containerResolv))
  1323. }
  1324. //5. test that additions of a localhost resolver are cleaned from
  1325. // host resolv.conf before updating container's resolv.conf copies
  1326. // replace resolv.conf with a localhost-only nameserver copy
  1327. bytesResolvConf = []byte(tmpLocalhostResolvConf)
  1328. if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1329. c.Fatal(err)
  1330. }
  1331. // start the container again to pickup changes
  1332. dockerCmd(c, "start", "first")
  1333. // our first exited container ID should have been updated, but with default DNS
  1334. // after the cleanup of resolv.conf found only a localhost nameserver:
  1335. containerResolv, err = readContainerFile(containerID1, "resolv.conf")
  1336. if err != nil {
  1337. c.Fatal(err)
  1338. }
  1339. expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4\n"
  1340. if !bytes.Equal(containerResolv, []byte(expected)) {
  1341. c.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv))
  1342. }
  1343. //6. Test that replacing (as opposed to modifying) resolv.conf triggers an update
  1344. // of containers' resolv.conf.
  1345. // Restore the original resolv.conf
  1346. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1347. c.Fatal(err)
  1348. }
  1349. // Run the container so it picks up the old settings
  1350. dockerCmd(c, "run", "--name=third", "busybox", "true")
  1351. containerID3, err := getIDByName("third")
  1352. if err != nil {
  1353. c.Fatal(err)
  1354. }
  1355. // Create a modified resolv.conf.aside and override resolv.conf with it
  1356. bytesResolvConf = []byte(tmpResolvConf)
  1357. if err := ioutil.WriteFile("/etc/resolv.conf.aside", bytesResolvConf, 0644); err != nil {
  1358. c.Fatal(err)
  1359. }
  1360. err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf")
  1361. if err != nil {
  1362. c.Fatal(err)
  1363. }
  1364. // start the container again to pickup changes
  1365. dockerCmd(c, "start", "third")
  1366. // check for update in container
  1367. containerResolv, err = readContainerFile(containerID3, "resolv.conf")
  1368. if err != nil {
  1369. c.Fatal(err)
  1370. }
  1371. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1372. c.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv))
  1373. }
  1374. //cleanup, restore original resolv.conf happens in defer func()
  1375. }
  1376. func (s *DockerSuite) TestRunAddHost(c *check.C) {
  1377. // Not applicable on Windows as it does not support --add-host
  1378. testRequires(c, DaemonIsLinux)
  1379. out, _ := dockerCmd(c, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts")
  1380. actual := strings.Trim(out, "\r\n")
  1381. if actual != "86.75.30.9\textra" {
  1382. c.Fatalf("expected '86.75.30.9\textra', but says: %q", actual)
  1383. }
  1384. }
  1385. // Regression test for #6983
  1386. func (s *DockerSuite) TestRunAttachStdErrOnlyTTYMode(c *check.C) {
  1387. _, exitCode := dockerCmd(c, "run", "-t", "-a", "stderr", "busybox", "true")
  1388. if exitCode != 0 {
  1389. c.Fatalf("Container should have exited with error code 0")
  1390. }
  1391. }
  1392. // Regression test for #6983
  1393. func (s *DockerSuite) TestRunAttachStdOutOnlyTTYMode(c *check.C) {
  1394. _, exitCode := dockerCmd(c, "run", "-t", "-a", "stdout", "busybox", "true")
  1395. if exitCode != 0 {
  1396. c.Fatalf("Container should have exited with error code 0")
  1397. }
  1398. }
  1399. // Regression test for #6983
  1400. func (s *DockerSuite) TestRunAttachStdOutAndErrTTYMode(c *check.C) {
  1401. _, exitCode := dockerCmd(c, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true")
  1402. if exitCode != 0 {
  1403. c.Fatalf("Container should have exited with error code 0")
  1404. }
  1405. }
  1406. // Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode
  1407. // but using --attach instead of -a to make sure we read the flag correctly
  1408. func (s *DockerSuite) TestRunAttachWithDetach(c *check.C) {
  1409. cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true")
  1410. _, stderr, _, err := runCommandWithStdoutStderr(cmd)
  1411. if err == nil {
  1412. c.Fatal("Container should have exited with error code different than 0")
  1413. } else if !strings.Contains(stderr, "Conflicting options: -a and -d") {
  1414. c.Fatal("Should have been returned an error with conflicting options -a and -d")
  1415. }
  1416. }
  1417. func (s *DockerSuite) TestRunState(c *check.C) {
  1418. // TODO Windows: This needs some rework as Windows busybox does not support top
  1419. testRequires(c, DaemonIsLinux)
  1420. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  1421. id := strings.TrimSpace(out)
  1422. state := inspectField(c, id, "State.Running")
  1423. if state != "true" {
  1424. c.Fatal("Container state is 'not running'")
  1425. }
  1426. pid1 := inspectField(c, id, "State.Pid")
  1427. if pid1 == "0" {
  1428. c.Fatal("Container state Pid 0")
  1429. }
  1430. dockerCmd(c, "stop", id)
  1431. state = inspectField(c, id, "State.Running")
  1432. if state != "false" {
  1433. c.Fatal("Container state is 'running'")
  1434. }
  1435. pid2 := inspectField(c, id, "State.Pid")
  1436. if pid2 == pid1 {
  1437. c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1438. }
  1439. dockerCmd(c, "start", id)
  1440. state = inspectField(c, id, "State.Running")
  1441. if state != "true" {
  1442. c.Fatal("Container state is 'not running'")
  1443. }
  1444. pid3 := inspectField(c, id, "State.Pid")
  1445. if pid3 == pid1 {
  1446. c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1447. }
  1448. }
  1449. // Test for #1737
  1450. func (s *DockerSuite) TestRunCopyVolumeUidGid(c *check.C) {
  1451. // Not applicable on Windows as it does not support uid or gid in this way
  1452. testRequires(c, DaemonIsLinux)
  1453. name := "testrunvolumesuidgid"
  1454. _, err := buildImage(name,
  1455. `FROM busybox
  1456. RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
  1457. RUN echo 'dockerio:x:1001:' >> /etc/group
  1458. RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`,
  1459. true)
  1460. if err != nil {
  1461. c.Fatal(err)
  1462. }
  1463. // Test that the uid and gid is copied from the image to the volume
  1464. out, _ := dockerCmd(c, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'")
  1465. out = strings.TrimSpace(out)
  1466. if out != "dockerio:dockerio" {
  1467. c.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out)
  1468. }
  1469. }
  1470. // Test for #1582
  1471. func (s *DockerSuite) TestRunCopyVolumeContent(c *check.C) {
  1472. // TODO Windows, post TP5. Windows does not yet support volume functionality
  1473. // that copies from the image to the volume.
  1474. testRequires(c, DaemonIsLinux)
  1475. name := "testruncopyvolumecontent"
  1476. _, err := buildImage(name,
  1477. `FROM busybox
  1478. RUN mkdir -p /hello/local && echo hello > /hello/local/world`,
  1479. true)
  1480. if err != nil {
  1481. c.Fatal(err)
  1482. }
  1483. // Test that the content is copied from the image to the volume
  1484. out, _ := dockerCmd(c, "run", "--rm", "-v", "/hello", name, "find", "/hello")
  1485. if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) {
  1486. c.Fatal("Container failed to transfer content to volume")
  1487. }
  1488. }
  1489. func (s *DockerSuite) TestRunCleanupCmdOnEntrypoint(c *check.C) {
  1490. name := "testrunmdcleanuponentrypoint"
  1491. if _, err := buildImage(name,
  1492. `FROM busybox
  1493. ENTRYPOINT ["echo"]
  1494. CMD ["testingpoint"]`,
  1495. true); err != nil {
  1496. c.Fatal(err)
  1497. }
  1498. out, exit := dockerCmd(c, "run", "--entrypoint", "whoami", name)
  1499. if exit != 0 {
  1500. c.Fatalf("expected exit code 0 received %d, out: %q", exit, out)
  1501. }
  1502. out = strings.TrimSpace(out)
  1503. expected := "root"
  1504. if daemonPlatform == "windows" {
  1505. expected = `user manager\containeradministrator`
  1506. }
  1507. if out != expected {
  1508. c.Fatalf("Expected output %s, got %q", expected, out)
  1509. }
  1510. }
  1511. // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
  1512. func (s *DockerSuite) TestRunWorkdirExistsAndIsFile(c *check.C) {
  1513. existingFile := "/bin/cat"
  1514. expected := "not a directory"
  1515. if daemonPlatform == "windows" {
  1516. existingFile = `\windows\system32\ntdll.dll`
  1517. expected = `Cannot mkdir: \windows\system32\ntdll.dll is not a directory.`
  1518. }
  1519. out, exitCode, err := dockerCmdWithError("run", "-w", existingFile, "busybox")
  1520. if !(err != nil && exitCode == 125 && strings.Contains(out, expected)) {
  1521. c.Fatalf("Existing binary as a directory should error out with exitCode 125; we got: %s, exitCode: %d", out, exitCode)
  1522. }
  1523. }
  1524. func (s *DockerSuite) TestRunExitOnStdinClose(c *check.C) {
  1525. name := "testrunexitonstdinclose"
  1526. meow := "/bin/cat"
  1527. delay := 60
  1528. if daemonPlatform == "windows" {
  1529. meow = "cat"
  1530. }
  1531. runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", meow)
  1532. stdin, err := runCmd.StdinPipe()
  1533. if err != nil {
  1534. c.Fatal(err)
  1535. }
  1536. stdout, err := runCmd.StdoutPipe()
  1537. if err != nil {
  1538. c.Fatal(err)
  1539. }
  1540. if err := runCmd.Start(); err != nil {
  1541. c.Fatal(err)
  1542. }
  1543. if _, err := stdin.Write([]byte("hello\n")); err != nil {
  1544. c.Fatal(err)
  1545. }
  1546. r := bufio.NewReader(stdout)
  1547. line, err := r.ReadString('\n')
  1548. if err != nil {
  1549. c.Fatal(err)
  1550. }
  1551. line = strings.TrimSpace(line)
  1552. if line != "hello" {
  1553. c.Fatalf("Output should be 'hello', got '%q'", line)
  1554. }
  1555. if err := stdin.Close(); err != nil {
  1556. c.Fatal(err)
  1557. }
  1558. finish := make(chan error)
  1559. go func() {
  1560. finish <- runCmd.Wait()
  1561. close(finish)
  1562. }()
  1563. select {
  1564. case err := <-finish:
  1565. c.Assert(err, check.IsNil)
  1566. case <-time.After(time.Duration(delay) * time.Second):
  1567. c.Fatal("docker run failed to exit on stdin close")
  1568. }
  1569. state := inspectField(c, name, "State.Running")
  1570. if state != "false" {
  1571. c.Fatal("Container must be stopped after stdin closing")
  1572. }
  1573. }
  1574. // Test run -i --restart xxx doesn't hang
  1575. func (s *DockerSuite) TestRunInteractiveWithRestartPolicy(c *check.C) {
  1576. name := "test-inter-restart"
  1577. runCmd := exec.Command(dockerBinary, "run", "-i", "--name", name, "--restart=always", "busybox", "sh")
  1578. stdin, err := runCmd.StdinPipe()
  1579. c.Assert(err, checker.IsNil)
  1580. err = runCmd.Start()
  1581. c.Assert(err, checker.IsNil)
  1582. c.Assert(waitRun(name), check.IsNil)
  1583. _, err = stdin.Write([]byte("exit 11\n"))
  1584. c.Assert(err, checker.IsNil)
  1585. finish := make(chan error)
  1586. go func() {
  1587. finish <- runCmd.Wait()
  1588. close(finish)
  1589. }()
  1590. delay := 10 * time.Second
  1591. select {
  1592. case <-finish:
  1593. case <-time.After(delay):
  1594. c.Fatal("run -i --restart hangs")
  1595. }
  1596. c.Assert(waitRun(name), check.IsNil)
  1597. dockerCmd(c, "stop", name)
  1598. }
  1599. // Test for #2267
  1600. func (s *DockerSuite) TestRunWriteHostsFileAndNotCommit(c *check.C) {
  1601. // Cannot run on Windows as Windows does not support diff.
  1602. testRequires(c, DaemonIsLinux)
  1603. name := "writehosts"
  1604. out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts")
  1605. if !strings.Contains(out, "test2267") {
  1606. c.Fatal("/etc/hosts should contain 'test2267'")
  1607. }
  1608. out, _ = dockerCmd(c, "diff", name)
  1609. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1610. c.Fatal("diff should be empty")
  1611. }
  1612. }
  1613. func eqToBaseDiff(out string, c *check.C) bool {
  1614. name := "eqToBaseDiff" + stringutils.GenerateRandomAlphaOnlyString(32)
  1615. dockerCmd(c, "run", "--name", name, "busybox", "echo", "hello")
  1616. cID, err := getIDByName(name)
  1617. c.Assert(err, check.IsNil)
  1618. baseDiff, _ := dockerCmd(c, "diff", cID)
  1619. baseArr := strings.Split(baseDiff, "\n")
  1620. sort.Strings(baseArr)
  1621. outArr := strings.Split(out, "\n")
  1622. sort.Strings(outArr)
  1623. return sliceEq(baseArr, outArr)
  1624. }
  1625. func sliceEq(a, b []string) bool {
  1626. if len(a) != len(b) {
  1627. return false
  1628. }
  1629. for i := range a {
  1630. if a[i] != b[i] {
  1631. return false
  1632. }
  1633. }
  1634. return true
  1635. }
  1636. // Test for #2267
  1637. func (s *DockerSuite) TestRunWriteHostnameFileAndNotCommit(c *check.C) {
  1638. // Cannot run on Windows as Windows does not support diff.
  1639. testRequires(c, DaemonIsLinux)
  1640. name := "writehostname"
  1641. out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname")
  1642. if !strings.Contains(out, "test2267") {
  1643. c.Fatal("/etc/hostname should contain 'test2267'")
  1644. }
  1645. out, _ = dockerCmd(c, "diff", name)
  1646. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1647. c.Fatal("diff should be empty")
  1648. }
  1649. }
  1650. // Test for #2267
  1651. func (s *DockerSuite) TestRunWriteResolvFileAndNotCommit(c *check.C) {
  1652. // Cannot run on Windows as Windows does not support diff.
  1653. testRequires(c, DaemonIsLinux)
  1654. name := "writeresolv"
  1655. out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf")
  1656. if !strings.Contains(out, "test2267") {
  1657. c.Fatal("/etc/resolv.conf should contain 'test2267'")
  1658. }
  1659. out, _ = dockerCmd(c, "diff", name)
  1660. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1661. c.Fatal("diff should be empty")
  1662. }
  1663. }
  1664. func (s *DockerSuite) TestRunWithBadDevice(c *check.C) {
  1665. // Cannot run on Windows as Windows does not support --device
  1666. testRequires(c, DaemonIsLinux)
  1667. name := "baddevice"
  1668. out, _, err := dockerCmdWithError("run", "--name", name, "--device", "/etc", "busybox", "true")
  1669. if err == nil {
  1670. c.Fatal("Run should fail with bad device")
  1671. }
  1672. expected := `"/etc": not a device node`
  1673. if !strings.Contains(out, expected) {
  1674. c.Fatalf("Output should contain %q, actual out: %q", expected, out)
  1675. }
  1676. }
  1677. func (s *DockerSuite) TestRunEntrypoint(c *check.C) {
  1678. name := "entrypoint"
  1679. out, _ := dockerCmd(c, "run", "--name", name, "--entrypoint", "echo", "busybox", "-n", "foobar")
  1680. expected := "foobar"
  1681. if out != expected {
  1682. c.Fatalf("Output should be %q, actual out: %q", expected, out)
  1683. }
  1684. }
  1685. func (s *DockerSuite) TestRunBindMounts(c *check.C) {
  1686. testRequires(c, SameHostDaemon)
  1687. if daemonPlatform == "linux" {
  1688. testRequires(c, DaemonIsLinux, NotUserNamespace)
  1689. }
  1690. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  1691. tmpDir, err := ioutil.TempDir("", "docker-test-container")
  1692. if err != nil {
  1693. c.Fatal(err)
  1694. }
  1695. defer os.RemoveAll(tmpDir)
  1696. writeFile(path.Join(tmpDir, "touch-me"), "", c)
  1697. // TODO Windows: Temporary check - remove once TP5 support is dropped
  1698. if daemonPlatform != "windows" || windowsDaemonKV >= 14350 {
  1699. // Test reading from a read-only bind mount
  1700. out, _ := dockerCmd(c, "run", "-v", fmt.Sprintf("%s:%s/tmp:ro", tmpDir, prefix), "busybox", "ls", prefix+"/tmp")
  1701. if !strings.Contains(out, "touch-me") {
  1702. c.Fatal("Container failed to read from bind mount")
  1703. }
  1704. }
  1705. // test writing to bind mount
  1706. if daemonPlatform == "windows" {
  1707. dockerCmd(c, "run", "-v", fmt.Sprintf(`%s:c:\tmp:rw`, tmpDir), "busybox", "touch", "c:/tmp/holla")
  1708. } else {
  1709. dockerCmd(c, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla")
  1710. }
  1711. readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  1712. // test mounting to an illegal destination directory
  1713. _, _, err = dockerCmdWithError("run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".")
  1714. if err == nil {
  1715. c.Fatal("Container bind mounted illegal directory")
  1716. }
  1717. // Windows does not (and likely never will) support mounting a single file
  1718. if daemonPlatform != "windows" {
  1719. // test mount a file
  1720. dockerCmd(c, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla")
  1721. content := readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  1722. expected := "yotta"
  1723. if content != expected {
  1724. c.Fatalf("Output should be %q, actual out: %q", expected, content)
  1725. }
  1726. }
  1727. }
  1728. // Ensure that CIDFile gets deleted if it's empty
  1729. // Perform this test by making `docker run` fail
  1730. func (s *DockerSuite) TestRunCidFileCleanupIfEmpty(c *check.C) {
  1731. tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  1732. if err != nil {
  1733. c.Fatal(err)
  1734. }
  1735. defer os.RemoveAll(tmpDir)
  1736. tmpCidFile := path.Join(tmpDir, "cid")
  1737. image := "emptyfs"
  1738. if daemonPlatform == "windows" {
  1739. // Windows can't support an emptyfs image. Just use the regular Windows image
  1740. image = WindowsBaseImage
  1741. }
  1742. out, _, err := dockerCmdWithError("run", "--cidfile", tmpCidFile, image)
  1743. if err == nil {
  1744. c.Fatalf("Run without command must fail. out=%s", out)
  1745. } else if !strings.Contains(out, "No command specified") {
  1746. c.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err)
  1747. }
  1748. if _, err := os.Stat(tmpCidFile); err == nil {
  1749. c.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile)
  1750. }
  1751. }
  1752. // #2098 - Docker cidFiles only contain short version of the containerId
  1753. //sudo docker run --cidfile /tmp/docker_tesc.cid ubuntu echo "test"
  1754. // TestRunCidFile tests that run --cidfile returns the longid
  1755. func (s *DockerSuite) TestRunCidFileCheckIDLength(c *check.C) {
  1756. tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  1757. if err != nil {
  1758. c.Fatal(err)
  1759. }
  1760. tmpCidFile := path.Join(tmpDir, "cid")
  1761. defer os.RemoveAll(tmpDir)
  1762. out, _ := dockerCmd(c, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true")
  1763. id := strings.TrimSpace(out)
  1764. buffer, err := ioutil.ReadFile(tmpCidFile)
  1765. if err != nil {
  1766. c.Fatal(err)
  1767. }
  1768. cid := string(buffer)
  1769. if len(cid) != 64 {
  1770. c.Fatalf("--cidfile should be a long id, not %q", id)
  1771. }
  1772. if cid != id {
  1773. c.Fatalf("cid must be equal to %s, got %s", id, cid)
  1774. }
  1775. }
  1776. func (s *DockerSuite) TestRunSetMacAddress(c *check.C) {
  1777. mac := "12:34:56:78:9a:bc"
  1778. var out string
  1779. if daemonPlatform == "windows" {
  1780. out, _ = dockerCmd(c, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "sh", "-c", "ipconfig /all | grep 'Physical Address' | awk '{print $12}'")
  1781. mac = strings.Replace(strings.ToUpper(mac), ":", "-", -1) // To Windows-style MACs
  1782. } else {
  1783. out, _ = dockerCmd(c, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'")
  1784. }
  1785. actualMac := strings.TrimSpace(out)
  1786. if actualMac != mac {
  1787. c.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac)
  1788. }
  1789. }
  1790. func (s *DockerSuite) TestRunInspectMacAddress(c *check.C) {
  1791. // TODO Windows. Network settings are not propagated back to inspect.
  1792. testRequires(c, DaemonIsLinux)
  1793. mac := "12:34:56:78:9a:bc"
  1794. out, _ := dockerCmd(c, "run", "-d", "--mac-address="+mac, "busybox", "top")
  1795. id := strings.TrimSpace(out)
  1796. inspectedMac := inspectField(c, id, "NetworkSettings.Networks.bridge.MacAddress")
  1797. if inspectedMac != mac {
  1798. c.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac)
  1799. }
  1800. }
  1801. // test docker run use an invalid mac address
  1802. func (s *DockerSuite) TestRunWithInvalidMacAddress(c *check.C) {
  1803. out, _, err := dockerCmdWithError("run", "--mac-address", "92:d0:c6:0a:29", "busybox")
  1804. //use an invalid mac address should with an error out
  1805. if err == nil || !strings.Contains(out, "is not a valid mac address") {
  1806. c.Fatalf("run with an invalid --mac-address should with error out")
  1807. }
  1808. }
  1809. func (s *DockerSuite) TestRunDeallocatePortOnMissingIptablesRule(c *check.C) {
  1810. // TODO Windows. Network settings are not propagated back to inspect.
  1811. testRequires(c, SameHostDaemon, DaemonIsLinux)
  1812. out, _ := dockerCmd(c, "run", "-d", "-p", "23:23", "busybox", "top")
  1813. id := strings.TrimSpace(out)
  1814. ip := inspectField(c, id, "NetworkSettings.Networks.bridge.IPAddress")
  1815. iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip),
  1816. "!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT")
  1817. out, _, err := runCommandWithOutput(iptCmd)
  1818. if err != nil {
  1819. c.Fatal(err, out)
  1820. }
  1821. if err := deleteContainer(id); err != nil {
  1822. c.Fatal(err)
  1823. }
  1824. dockerCmd(c, "run", "-d", "-p", "23:23", "busybox", "top")
  1825. }
  1826. func (s *DockerSuite) TestRunPortInUse(c *check.C) {
  1827. // TODO Windows. The duplicate NAT message returned by Windows will be
  1828. // changing as is currently completely undecipherable. Does need modifying
  1829. // to run sh rather than top though as top isn't in Windows busybox.
  1830. testRequires(c, SameHostDaemon, DaemonIsLinux)
  1831. port := "1234"
  1832. dockerCmd(c, "run", "-d", "-p", port+":80", "busybox", "top")
  1833. out, _, err := dockerCmdWithError("run", "-d", "-p", port+":80", "busybox", "top")
  1834. if err == nil {
  1835. c.Fatalf("Binding on used port must fail")
  1836. }
  1837. if !strings.Contains(out, "port is already allocated") {
  1838. c.Fatalf("Out must be about \"port is already allocated\", got %s", out)
  1839. }
  1840. }
  1841. // https://github.com/docker/docker/issues/12148
  1842. func (s *DockerSuite) TestRunAllocatePortInReservedRange(c *check.C) {
  1843. // TODO Windows. -P is not yet supported
  1844. testRequires(c, DaemonIsLinux)
  1845. // allocate a dynamic port to get the most recent
  1846. out, _ := dockerCmd(c, "run", "-d", "-P", "-p", "80", "busybox", "top")
  1847. id := strings.TrimSpace(out)
  1848. out, _ = dockerCmd(c, "port", id, "80")
  1849. strPort := strings.Split(strings.TrimSpace(out), ":")[1]
  1850. port, err := strconv.ParseInt(strPort, 10, 64)
  1851. if err != nil {
  1852. c.Fatalf("invalid port, got: %s, error: %s", strPort, err)
  1853. }
  1854. // allocate a static port and a dynamic port together, with static port
  1855. // takes the next recent port in dynamic port range.
  1856. dockerCmd(c, "run", "-d", "-P", "-p", "80", "-p", fmt.Sprintf("%d:8080", port+1), "busybox", "top")
  1857. }
  1858. // Regression test for #7792
  1859. func (s *DockerSuite) TestRunMountOrdering(c *check.C) {
  1860. // TODO Windows: Post TP5. Updated, but Windows does not support nested mounts currently.
  1861. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  1862. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  1863. tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test")
  1864. if err != nil {
  1865. c.Fatal(err)
  1866. }
  1867. defer os.RemoveAll(tmpDir)
  1868. tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2")
  1869. if err != nil {
  1870. c.Fatal(err)
  1871. }
  1872. defer os.RemoveAll(tmpDir2)
  1873. // Create a temporary tmpfs mounc.
  1874. fooDir := filepath.Join(tmpDir, "foo")
  1875. if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil {
  1876. c.Fatalf("failed to mkdir at %s - %s", fooDir, err)
  1877. }
  1878. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil {
  1879. c.Fatal(err)
  1880. }
  1881. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil {
  1882. c.Fatal(err)
  1883. }
  1884. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil {
  1885. c.Fatal(err)
  1886. }
  1887. dockerCmd(c, "run",
  1888. "-v", fmt.Sprintf("%s:"+prefix+"/tmp", tmpDir),
  1889. "-v", fmt.Sprintf("%s:"+prefix+"/tmp/foo", fooDir),
  1890. "-v", fmt.Sprintf("%s:"+prefix+"/tmp/tmp2", tmpDir2),
  1891. "-v", fmt.Sprintf("%s:"+prefix+"/tmp/tmp2/foo", fooDir),
  1892. "busybox:latest", "sh", "-c",
  1893. "ls "+prefix+"/tmp/touch-me && ls "+prefix+"/tmp/foo/touch-me && ls "+prefix+"/tmp/tmp2/touch-me && ls "+prefix+"/tmp/tmp2/foo/touch-me")
  1894. }
  1895. // Regression test for https://github.com/docker/docker/issues/8259
  1896. func (s *DockerSuite) TestRunReuseBindVolumeThatIsSymlink(c *check.C) {
  1897. // Not applicable on Windows as Windows does not support volumes
  1898. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  1899. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  1900. tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink")
  1901. if err != nil {
  1902. c.Fatal(err)
  1903. }
  1904. defer os.RemoveAll(tmpDir)
  1905. linkPath := os.TempDir() + "/testlink2"
  1906. if err := os.Symlink(tmpDir, linkPath); err != nil {
  1907. c.Fatal(err)
  1908. }
  1909. defer os.RemoveAll(linkPath)
  1910. // Create first container
  1911. dockerCmd(c, "run", "-v", fmt.Sprintf("%s:"+prefix+"/tmp/test", linkPath), "busybox", "ls", prefix+"/tmp/test")
  1912. // Create second container with same symlinked path
  1913. // This will fail if the referenced issue is hit with a "Volume exists" error
  1914. dockerCmd(c, "run", "-v", fmt.Sprintf("%s:"+prefix+"/tmp/test", linkPath), "busybox", "ls", prefix+"/tmp/test")
  1915. }
  1916. //GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container
  1917. func (s *DockerSuite) TestRunCreateVolumeEtc(c *check.C) {
  1918. // While Windows supports volumes, it does not support --add-host hence
  1919. // this test is not applicable on Windows.
  1920. testRequires(c, DaemonIsLinux)
  1921. out, _ := dockerCmd(c, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf")
  1922. if !strings.Contains(out, "nameserver 127.0.0.1") {
  1923. c.Fatal("/etc volume mount hides /etc/resolv.conf")
  1924. }
  1925. out, _ = dockerCmd(c, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname")
  1926. if !strings.Contains(out, "test123") {
  1927. c.Fatal("/etc volume mount hides /etc/hostname")
  1928. }
  1929. out, _ = dockerCmd(c, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts")
  1930. out = strings.Replace(out, "\n", " ", -1)
  1931. if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") {
  1932. c.Fatal("/etc volume mount hides /etc/hosts")
  1933. }
  1934. }
  1935. func (s *DockerSuite) TestVolumesNoCopyData(c *check.C) {
  1936. // TODO Windows (Post TP5). Windows does not support volumes which
  1937. // are pre-populated such as is built in the dockerfile used in this test.
  1938. testRequires(c, DaemonIsLinux)
  1939. if _, err := buildImage("dataimage",
  1940. `FROM busybox
  1941. RUN mkdir -p /foo
  1942. RUN touch /foo/bar`,
  1943. true); err != nil {
  1944. c.Fatal(err)
  1945. }
  1946. dockerCmd(c, "run", "--name", "test", "-v", "/foo", "busybox")
  1947. if out, _, err := dockerCmdWithError("run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar"); err == nil || !strings.Contains(out, "No such file or directory") {
  1948. c.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out)
  1949. }
  1950. tmpDir := randomTmpDirPath("docker_test_bind_mount_copy_data", daemonPlatform)
  1951. if out, _, err := dockerCmdWithError("run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar"); err == nil || !strings.Contains(out, "No such file or directory") {
  1952. c.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out)
  1953. }
  1954. }
  1955. func (s *DockerSuite) TestRunNoOutputFromPullInStdout(c *check.C) {
  1956. // just run with unknown image
  1957. cmd := exec.Command(dockerBinary, "run", "asdfsg")
  1958. stdout := bytes.NewBuffer(nil)
  1959. cmd.Stdout = stdout
  1960. if err := cmd.Run(); err == nil {
  1961. c.Fatal("Run with unknown image should fail")
  1962. }
  1963. if stdout.Len() != 0 {
  1964. c.Fatalf("Stdout contains output from pull: %s", stdout)
  1965. }
  1966. }
  1967. func (s *DockerSuite) TestRunVolumesCleanPaths(c *check.C) {
  1968. testRequires(c, SameHostDaemon)
  1969. prefix, slash := getPrefixAndSlashFromDaemonPlatform()
  1970. if _, err := buildImage("run_volumes_clean_paths",
  1971. `FROM busybox
  1972. VOLUME `+prefix+`/foo/`,
  1973. true); err != nil {
  1974. c.Fatal(err)
  1975. }
  1976. dockerCmd(c, "run", "-v", prefix+"/foo", "-v", prefix+"/bar/", "--name", "dark_helmet", "run_volumes_clean_paths")
  1977. out, err := inspectMountSourceField("dark_helmet", prefix+slash+"foo"+slash)
  1978. if err != errMountNotFound {
  1979. c.Fatalf("Found unexpected volume entry for '%s/foo/' in volumes\n%q", prefix, out)
  1980. }
  1981. out, err = inspectMountSourceField("dark_helmet", prefix+slash+`foo`)
  1982. c.Assert(err, check.IsNil)
  1983. if !strings.Contains(strings.ToLower(out), strings.ToLower(volumesConfigPath)) {
  1984. c.Fatalf("Volume was not defined for %s/foo\n%q", prefix, out)
  1985. }
  1986. out, err = inspectMountSourceField("dark_helmet", prefix+slash+"bar"+slash)
  1987. if err != errMountNotFound {
  1988. c.Fatalf("Found unexpected volume entry for '%s/bar/' in volumes\n%q", prefix, out)
  1989. }
  1990. out, err = inspectMountSourceField("dark_helmet", prefix+slash+"bar")
  1991. c.Assert(err, check.IsNil)
  1992. if !strings.Contains(strings.ToLower(out), strings.ToLower(volumesConfigPath)) {
  1993. c.Fatalf("Volume was not defined for %s/bar\n%q", prefix, out)
  1994. }
  1995. }
  1996. // Regression test for #3631
  1997. func (s *DockerSuite) TestRunSlowStdoutConsumer(c *check.C) {
  1998. // TODO Windows: This should be able to run on Windows if can find an
  1999. // alternate to /dev/zero and /dev/stdout.
  2000. testRequires(c, DaemonIsLinux)
  2001. cont := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv")
  2002. stdout, err := cont.StdoutPipe()
  2003. if err != nil {
  2004. c.Fatal(err)
  2005. }
  2006. if err := cont.Start(); err != nil {
  2007. c.Fatal(err)
  2008. }
  2009. n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil)
  2010. if err != nil {
  2011. c.Fatal(err)
  2012. }
  2013. expected := 2 * 1024 * 2000
  2014. if n != expected {
  2015. c.Fatalf("Expected %d, got %d", expected, n)
  2016. }
  2017. }
  2018. func (s *DockerSuite) TestRunAllowPortRangeThroughExpose(c *check.C) {
  2019. // TODO Windows: -P is not currently supported. Also network
  2020. // settings are not propagated back.
  2021. testRequires(c, DaemonIsLinux)
  2022. out, _ := dockerCmd(c, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top")
  2023. id := strings.TrimSpace(out)
  2024. portstr := inspectFieldJSON(c, id, "NetworkSettings.Ports")
  2025. var ports nat.PortMap
  2026. if err := unmarshalJSON([]byte(portstr), &ports); err != nil {
  2027. c.Fatal(err)
  2028. }
  2029. for port, binding := range ports {
  2030. portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  2031. if portnum < 3000 || portnum > 3003 {
  2032. c.Fatalf("Port %d is out of range ", portnum)
  2033. }
  2034. if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  2035. c.Fatalf("Port is not mapped for the port %s", port)
  2036. }
  2037. }
  2038. }
  2039. func (s *DockerSuite) TestRunExposePort(c *check.C) {
  2040. out, _, err := dockerCmdWithError("run", "--expose", "80000", "busybox")
  2041. c.Assert(err, checker.NotNil, check.Commentf("--expose with an invalid port should error out"))
  2042. c.Assert(out, checker.Contains, "invalid range format for --expose")
  2043. }
  2044. func (s *DockerSuite) TestRunUnknownCommand(c *check.C) {
  2045. out, _, _ := dockerCmdWithStdoutStderr(c, "create", "busybox", "/bin/nada")
  2046. cID := strings.TrimSpace(out)
  2047. _, _, err := dockerCmdWithError("start", cID)
  2048. // Windows and Linux are different here by architectural design. Linux will
  2049. // fail to start the container, so an error is expected. Windows will
  2050. // successfully start the container, and once started attempt to execute
  2051. // the command which will fail.
  2052. if daemonPlatform == "windows" {
  2053. // Wait for it to exit.
  2054. waitExited(cID, 30*time.Second)
  2055. c.Assert(err, check.IsNil)
  2056. } else {
  2057. c.Assert(err, check.NotNil)
  2058. }
  2059. rc := inspectField(c, cID, "State.ExitCode")
  2060. if rc == "0" {
  2061. c.Fatalf("ExitCode(%v) cannot be 0", rc)
  2062. }
  2063. }
  2064. func (s *DockerSuite) TestRunModeIpcHost(c *check.C) {
  2065. // Not applicable on Windows as uses Unix-specific capabilities
  2066. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2067. hostIpc, err := os.Readlink("/proc/1/ns/ipc")
  2068. if err != nil {
  2069. c.Fatal(err)
  2070. }
  2071. out, _ := dockerCmd(c, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc")
  2072. out = strings.Trim(out, "\n")
  2073. if hostIpc != out {
  2074. c.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out)
  2075. }
  2076. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/ipc")
  2077. out = strings.Trim(out, "\n")
  2078. if hostIpc == out {
  2079. c.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out)
  2080. }
  2081. }
  2082. func (s *DockerSuite) TestRunModeIpcContainer(c *check.C) {
  2083. // Not applicable on Windows as uses Unix-specific capabilities
  2084. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2085. out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo -n test > /dev/shm/test && touch /dev/mqueue/toto && top")
  2086. id := strings.TrimSpace(out)
  2087. state := inspectField(c, id, "State.Running")
  2088. if state != "true" {
  2089. c.Fatal("Container state is 'not running'")
  2090. }
  2091. pid1 := inspectField(c, id, "State.Pid")
  2092. parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1))
  2093. if err != nil {
  2094. c.Fatal(err)
  2095. }
  2096. out, _ = dockerCmd(c, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc")
  2097. out = strings.Trim(out, "\n")
  2098. if parentContainerIpc != out {
  2099. c.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out)
  2100. }
  2101. catOutput, _ := dockerCmd(c, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "cat", "/dev/shm/test")
  2102. if catOutput != "test" {
  2103. c.Fatalf("Output of /dev/shm/test expected test but found: %s", catOutput)
  2104. }
  2105. // check that /dev/mqueue is actually of mqueue type
  2106. grepOutput, _ := dockerCmd(c, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "grep", "/dev/mqueue", "/proc/mounts")
  2107. if !strings.HasPrefix(grepOutput, "mqueue /dev/mqueue mqueue rw") {
  2108. c.Fatalf("Output of 'grep /proc/mounts' expected 'mqueue /dev/mqueue mqueue rw' but found: %s", grepOutput)
  2109. }
  2110. lsOutput, _ := dockerCmd(c, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "ls", "/dev/mqueue")
  2111. lsOutput = strings.Trim(lsOutput, "\n")
  2112. if lsOutput != "toto" {
  2113. c.Fatalf("Output of 'ls /dev/mqueue' expected 'toto' but found: %s", lsOutput)
  2114. }
  2115. }
  2116. func (s *DockerSuite) TestRunModeIpcContainerNotExists(c *check.C) {
  2117. // Not applicable on Windows as uses Unix-specific capabilities
  2118. testRequires(c, DaemonIsLinux)
  2119. out, _, err := dockerCmdWithError("run", "-d", "--ipc", "container:abcd1234", "busybox", "top")
  2120. if !strings.Contains(out, "abcd1234") || err == nil {
  2121. c.Fatalf("run IPC from a non exists container should with correct error out")
  2122. }
  2123. }
  2124. func (s *DockerSuite) TestRunModeIpcContainerNotRunning(c *check.C) {
  2125. // Not applicable on Windows as uses Unix-specific capabilities
  2126. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2127. out, _ := dockerCmd(c, "create", "busybox")
  2128. id := strings.TrimSpace(out)
  2129. out, _, err := dockerCmdWithError("run", fmt.Sprintf("--ipc=container:%s", id), "busybox")
  2130. if err == nil {
  2131. c.Fatalf("Run container with ipc mode container should fail with non running container: %s\n%s", out, err)
  2132. }
  2133. }
  2134. func (s *DockerSuite) TestRunModePidContainer(c *check.C) {
  2135. // Not applicable on Windows as uses Unix-specific capabilities
  2136. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2137. out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "top")
  2138. id := strings.TrimSpace(out)
  2139. state := inspectField(c, id, "State.Running")
  2140. if state != "true" {
  2141. c.Fatal("Container state is 'not running'")
  2142. }
  2143. pid1 := inspectField(c, id, "State.Pid")
  2144. parentContainerPid, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/pid", pid1))
  2145. if err != nil {
  2146. c.Fatal(err)
  2147. }
  2148. out, _ = dockerCmd(c, "run", fmt.Sprintf("--pid=container:%s", id), "busybox", "readlink", "/proc/self/ns/pid")
  2149. out = strings.Trim(out, "\n")
  2150. if parentContainerPid != out {
  2151. c.Fatalf("PID different with --pid=container:%s %s != %s\n", id, parentContainerPid, out)
  2152. }
  2153. }
  2154. func (s *DockerSuite) TestRunModePidContainerNotExists(c *check.C) {
  2155. // Not applicable on Windows as uses Unix-specific capabilities
  2156. testRequires(c, DaemonIsLinux)
  2157. out, _, err := dockerCmdWithError("run", "-d", "--pid", "container:abcd1234", "busybox", "top")
  2158. if !strings.Contains(out, "abcd1234") || err == nil {
  2159. c.Fatalf("run PID from a non exists container should with correct error out")
  2160. }
  2161. }
  2162. func (s *DockerSuite) TestRunModePidContainerNotRunning(c *check.C) {
  2163. // Not applicable on Windows as uses Unix-specific capabilities
  2164. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2165. out, _ := dockerCmd(c, "create", "busybox")
  2166. id := strings.TrimSpace(out)
  2167. out, _, err := dockerCmdWithError("run", fmt.Sprintf("--pid=container:%s", id), "busybox")
  2168. if err == nil {
  2169. c.Fatalf("Run container with pid mode container should fail with non running container: %s\n%s", out, err)
  2170. }
  2171. }
  2172. func (s *DockerSuite) TestRunMountShmMqueueFromHost(c *check.C) {
  2173. // Not applicable on Windows as uses Unix-specific capabilities
  2174. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2175. dockerCmd(c, "run", "-d", "--name", "shmfromhost", "-v", "/dev/shm:/dev/shm", "-v", "/dev/mqueue:/dev/mqueue", "busybox", "sh", "-c", "echo -n test > /dev/shm/test && touch /dev/mqueue/toto && top")
  2176. defer os.Remove("/dev/mqueue/toto")
  2177. defer os.Remove("/dev/shm/test")
  2178. volPath, err := inspectMountSourceField("shmfromhost", "/dev/shm")
  2179. c.Assert(err, checker.IsNil)
  2180. if volPath != "/dev/shm" {
  2181. c.Fatalf("volumePath should have been /dev/shm, was %s", volPath)
  2182. }
  2183. out, _ := dockerCmd(c, "run", "--name", "ipchost", "--ipc", "host", "busybox", "cat", "/dev/shm/test")
  2184. if out != "test" {
  2185. c.Fatalf("Output of /dev/shm/test expected test but found: %s", out)
  2186. }
  2187. // Check that the mq was created
  2188. if _, err := os.Stat("/dev/mqueue/toto"); err != nil {
  2189. c.Fatalf("Failed to confirm '/dev/mqueue/toto' presence on host: %s", err.Error())
  2190. }
  2191. }
  2192. func (s *DockerSuite) TestContainerNetworkMode(c *check.C) {
  2193. // Not applicable on Windows as uses Unix-specific capabilities
  2194. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2195. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  2196. id := strings.TrimSpace(out)
  2197. c.Assert(waitRun(id), check.IsNil)
  2198. pid1 := inspectField(c, id, "State.Pid")
  2199. parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
  2200. if err != nil {
  2201. c.Fatal(err)
  2202. }
  2203. out, _ = dockerCmd(c, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net")
  2204. out = strings.Trim(out, "\n")
  2205. if parentContainerNet != out {
  2206. c.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out)
  2207. }
  2208. }
  2209. func (s *DockerSuite) TestRunModePidHost(c *check.C) {
  2210. // Not applicable on Windows as uses Unix-specific capabilities
  2211. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2212. hostPid, err := os.Readlink("/proc/1/ns/pid")
  2213. if err != nil {
  2214. c.Fatal(err)
  2215. }
  2216. out, _ := dockerCmd(c, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid")
  2217. out = strings.Trim(out, "\n")
  2218. if hostPid != out {
  2219. c.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out)
  2220. }
  2221. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/pid")
  2222. out = strings.Trim(out, "\n")
  2223. if hostPid == out {
  2224. c.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out)
  2225. }
  2226. }
  2227. func (s *DockerSuite) TestRunModeUTSHost(c *check.C) {
  2228. // Not applicable on Windows as uses Unix-specific capabilities
  2229. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2230. hostUTS, err := os.Readlink("/proc/1/ns/uts")
  2231. if err != nil {
  2232. c.Fatal(err)
  2233. }
  2234. out, _ := dockerCmd(c, "run", "--uts=host", "busybox", "readlink", "/proc/self/ns/uts")
  2235. out = strings.Trim(out, "\n")
  2236. if hostUTS != out {
  2237. c.Fatalf("UTS different with --uts=host %s != %s\n", hostUTS, out)
  2238. }
  2239. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/uts")
  2240. out = strings.Trim(out, "\n")
  2241. if hostUTS == out {
  2242. c.Fatalf("UTS should be different without --uts=host %s == %s\n", hostUTS, out)
  2243. }
  2244. out, _ = dockerCmdWithFail(c, "run", "-h=name", "--uts=host", "busybox", "ps")
  2245. c.Assert(out, checker.Contains, runconfig.ErrConflictUTSHostname.Error())
  2246. }
  2247. func (s *DockerSuite) TestRunTLSverify(c *check.C) {
  2248. // Remote daemons use TLS and this test is not applicable when TLS is required.
  2249. testRequires(c, SameHostDaemon)
  2250. if out, code, err := dockerCmdWithError("ps"); err != nil || code != 0 {
  2251. c.Fatalf("Should have worked: %v:\n%v", err, out)
  2252. }
  2253. // Regardless of whether we specify true or false we need to
  2254. // test to make sure tls is turned on if --tlsverify is specified at all
  2255. out, code, err := dockerCmdWithError("--tlsverify=false", "ps")
  2256. if err == nil || code == 0 || !strings.Contains(out, "trying to connect") {
  2257. c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", code, out, err)
  2258. }
  2259. out, code, err = dockerCmdWithError("--tlsverify=true", "ps")
  2260. if err == nil || code == 0 || !strings.Contains(out, "cert") {
  2261. c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", code, out, err)
  2262. }
  2263. }
  2264. func (s *DockerSuite) TestRunPortFromDockerRangeInUse(c *check.C) {
  2265. // TODO Windows. Once moved to libnetwork/CNM, this may be able to be
  2266. // re-instated.
  2267. testRequires(c, DaemonIsLinux)
  2268. // first find allocator current position
  2269. out, _ := dockerCmd(c, "run", "-d", "-p", ":80", "busybox", "top")
  2270. id := strings.TrimSpace(out)
  2271. out, _ = dockerCmd(c, "port", id)
  2272. out = strings.TrimSpace(out)
  2273. if out == "" {
  2274. c.Fatal("docker port command output is empty")
  2275. }
  2276. out = strings.Split(out, ":")[1]
  2277. lastPort, err := strconv.Atoi(out)
  2278. if err != nil {
  2279. c.Fatal(err)
  2280. }
  2281. port := lastPort + 1
  2282. l, err := net.Listen("tcp", ":"+strconv.Itoa(port))
  2283. if err != nil {
  2284. c.Fatal(err)
  2285. }
  2286. defer l.Close()
  2287. out, _ = dockerCmd(c, "run", "-d", "-p", ":80", "busybox", "top")
  2288. id = strings.TrimSpace(out)
  2289. dockerCmd(c, "port", id)
  2290. }
  2291. func (s *DockerSuite) TestRunTTYWithPipe(c *check.C) {
  2292. errChan := make(chan error)
  2293. go func() {
  2294. defer close(errChan)
  2295. cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true")
  2296. if _, err := cmd.StdinPipe(); err != nil {
  2297. errChan <- err
  2298. return
  2299. }
  2300. expected := "the input device is not a TTY"
  2301. if runtime.GOOS == "windows" {
  2302. expected += ". If you are using mintty, try prefixing the command with 'winpty'"
  2303. }
  2304. if out, _, err := runCommandWithOutput(cmd); err == nil {
  2305. errChan <- fmt.Errorf("run should have failed")
  2306. return
  2307. } else if !strings.Contains(out, expected) {
  2308. errChan <- fmt.Errorf("run failed with error %q: expected %q", out, expected)
  2309. return
  2310. }
  2311. }()
  2312. select {
  2313. case err := <-errChan:
  2314. c.Assert(err, check.IsNil)
  2315. case <-time.After(30 * time.Second):
  2316. c.Fatal("container is running but should have failed")
  2317. }
  2318. }
  2319. func (s *DockerSuite) TestRunNonLocalMacAddress(c *check.C) {
  2320. addr := "00:16:3E:08:00:50"
  2321. args := []string{"run", "--mac-address", addr}
  2322. expected := addr
  2323. if daemonPlatform != "windows" {
  2324. args = append(args, "busybox", "ifconfig")
  2325. } else {
  2326. args = append(args, WindowsBaseImage, "ipconfig", "/all")
  2327. expected = strings.Replace(strings.ToUpper(addr), ":", "-", -1)
  2328. }
  2329. if out, _ := dockerCmd(c, args...); !strings.Contains(out, expected) {
  2330. c.Fatalf("Output should have contained %q: %s", expected, out)
  2331. }
  2332. }
  2333. func (s *DockerSuite) TestRunNetHost(c *check.C) {
  2334. // Not applicable on Windows as uses Unix-specific capabilities
  2335. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2336. hostNet, err := os.Readlink("/proc/1/ns/net")
  2337. if err != nil {
  2338. c.Fatal(err)
  2339. }
  2340. out, _ := dockerCmd(c, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net")
  2341. out = strings.Trim(out, "\n")
  2342. if hostNet != out {
  2343. c.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out)
  2344. }
  2345. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/net")
  2346. out = strings.Trim(out, "\n")
  2347. if hostNet == out {
  2348. c.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out)
  2349. }
  2350. }
  2351. func (s *DockerSuite) TestRunNetHostTwiceSameName(c *check.C) {
  2352. // TODO Windows. As Windows networking evolves and converges towards
  2353. // CNM, this test may be possible to enable on Windows.
  2354. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2355. dockerCmd(c, "run", "--rm", "--name=thost", "--net=host", "busybox", "true")
  2356. dockerCmd(c, "run", "--rm", "--name=thost", "--net=host", "busybox", "true")
  2357. }
  2358. func (s *DockerSuite) TestRunNetContainerWhichHost(c *check.C) {
  2359. // Not applicable on Windows as uses Unix-specific capabilities
  2360. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2361. hostNet, err := os.Readlink("/proc/1/ns/net")
  2362. if err != nil {
  2363. c.Fatal(err)
  2364. }
  2365. dockerCmd(c, "run", "-d", "--net=host", "--name=test", "busybox", "top")
  2366. out, _ := dockerCmd(c, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net")
  2367. out = strings.Trim(out, "\n")
  2368. if hostNet != out {
  2369. c.Fatalf("Container should have host network namespace")
  2370. }
  2371. }
  2372. func (s *DockerSuite) TestRunAllowPortRangeThroughPublish(c *check.C) {
  2373. // TODO Windows. This may be possible to enable in the future. However,
  2374. // Windows does not currently support --expose, or populate the network
  2375. // settings seen through inspect.
  2376. testRequires(c, DaemonIsLinux)
  2377. out, _ := dockerCmd(c, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top")
  2378. id := strings.TrimSpace(out)
  2379. portstr := inspectFieldJSON(c, id, "NetworkSettings.Ports")
  2380. var ports nat.PortMap
  2381. err := unmarshalJSON([]byte(portstr), &ports)
  2382. c.Assert(err, checker.IsNil, check.Commentf("failed to unmarshal: %v", portstr))
  2383. for port, binding := range ports {
  2384. portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  2385. if portnum < 3000 || portnum > 3003 {
  2386. c.Fatalf("Port %d is out of range ", portnum)
  2387. }
  2388. if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  2389. c.Fatal("Port is not mapped for the port "+port, out)
  2390. }
  2391. }
  2392. }
  2393. func (s *DockerSuite) TestRunSetDefaultRestartPolicy(c *check.C) {
  2394. runSleepingContainer(c, "--name=testrunsetdefaultrestartpolicy")
  2395. out := inspectField(c, "testrunsetdefaultrestartpolicy", "HostConfig.RestartPolicy.Name")
  2396. if out != "no" {
  2397. c.Fatalf("Set default restart policy failed")
  2398. }
  2399. }
  2400. func (s *DockerSuite) TestRunRestartMaxRetries(c *check.C) {
  2401. out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
  2402. timeout := 10 * time.Second
  2403. if daemonPlatform == "windows" {
  2404. timeout = 120 * time.Second
  2405. }
  2406. id := strings.TrimSpace(string(out))
  2407. if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", timeout); err != nil {
  2408. c.Fatal(err)
  2409. }
  2410. count := inspectField(c, id, "RestartCount")
  2411. if count != "3" {
  2412. c.Fatalf("Container was restarted %s times, expected %d", count, 3)
  2413. }
  2414. MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
  2415. if MaximumRetryCount != "3" {
  2416. c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3")
  2417. }
  2418. }
  2419. func (s *DockerSuite) TestRunContainerWithWritableRootfs(c *check.C) {
  2420. dockerCmd(c, "run", "--rm", "busybox", "touch", "/file")
  2421. }
  2422. func (s *DockerSuite) TestRunContainerWithReadonlyRootfs(c *check.C) {
  2423. // Not applicable on Windows which does not support --read-only
  2424. testRequires(c, DaemonIsLinux)
  2425. testReadOnlyFile(c, "/file", "/etc/hosts", "/etc/resolv.conf", "/etc/hostname", "/sys/kernel", "/dev/.dont.touch.me")
  2426. }
  2427. func (s *DockerSuite) TestPermissionsPtsReadonlyRootfs(c *check.C) {
  2428. // Not applicable on Windows due to use of Unix specific functionality, plus
  2429. // the use of --read-only which is not supported.
  2430. // --read-only + userns has remount issues
  2431. testRequires(c, DaemonIsLinux, NotUserNamespace)
  2432. // Ensure we have not broken writing /dev/pts
  2433. out, status := dockerCmd(c, "run", "--read-only", "--rm", "busybox", "mount")
  2434. if status != 0 {
  2435. c.Fatal("Could not obtain mounts when checking /dev/pts mntpnt.")
  2436. }
  2437. expected := "type devpts (rw,"
  2438. if !strings.Contains(string(out), expected) {
  2439. c.Fatalf("expected output to contain %s but contains %s", expected, out)
  2440. }
  2441. }
  2442. func testReadOnlyFile(c *check.C, filenames ...string) {
  2443. // Not applicable on Windows which does not support --read-only
  2444. testRequires(c, DaemonIsLinux, NotUserNamespace)
  2445. touch := "touch " + strings.Join(filenames, " ")
  2446. out, _, err := dockerCmdWithError("run", "--read-only", "--rm", "busybox", "sh", "-c", touch)
  2447. c.Assert(err, checker.NotNil)
  2448. for _, f := range filenames {
  2449. expected := "touch: " + f + ": Read-only file system"
  2450. c.Assert(out, checker.Contains, expected)
  2451. }
  2452. out, _, err = dockerCmdWithError("run", "--read-only", "--privileged", "--rm", "busybox", "sh", "-c", touch)
  2453. c.Assert(err, checker.NotNil)
  2454. for _, f := range filenames {
  2455. expected := "touch: " + f + ": Read-only file system"
  2456. c.Assert(out, checker.Contains, expected)
  2457. }
  2458. }
  2459. func (s *DockerSuite) TestRunContainerWithReadonlyEtcHostsAndLinkedContainer(c *check.C) {
  2460. // Not applicable on Windows which does not support --link
  2461. // --read-only + userns has remount issues
  2462. testRequires(c, DaemonIsLinux, NotUserNamespace)
  2463. dockerCmd(c, "run", "-d", "--name", "test-etc-hosts-ro-linked", "busybox", "top")
  2464. out, _ := dockerCmd(c, "run", "--read-only", "--link", "test-etc-hosts-ro-linked:testlinked", "busybox", "cat", "/etc/hosts")
  2465. if !strings.Contains(string(out), "testlinked") {
  2466. c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled")
  2467. }
  2468. }
  2469. func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithDNSFlag(c *check.C) {
  2470. // Not applicable on Windows which does not support either --read-only or --dns.
  2471. // --read-only + userns has remount issues
  2472. testRequires(c, DaemonIsLinux, NotUserNamespace)
  2473. out, _ := dockerCmd(c, "run", "--read-only", "--dns", "1.1.1.1", "busybox", "/bin/cat", "/etc/resolv.conf")
  2474. if !strings.Contains(string(out), "1.1.1.1") {
  2475. c.Fatal("Expected /etc/resolv.conf to be updated even if --read-only enabled and --dns flag used")
  2476. }
  2477. }
  2478. func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithAddHostFlag(c *check.C) {
  2479. // Not applicable on Windows which does not support --read-only
  2480. // --read-only + userns has remount issues
  2481. testRequires(c, DaemonIsLinux, NotUserNamespace)
  2482. out, _ := dockerCmd(c, "run", "--read-only", "--add-host", "testreadonly:127.0.0.1", "busybox", "/bin/cat", "/etc/hosts")
  2483. if !strings.Contains(string(out), "testreadonly") {
  2484. c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled and --add-host flag used")
  2485. }
  2486. }
  2487. func (s *DockerSuite) TestRunVolumesFromRestartAfterRemoved(c *check.C) {
  2488. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  2489. runSleepingContainer(c, "--name=voltest", "-v", prefix+"/foo")
  2490. runSleepingContainer(c, "--name=restarter", "--volumes-from", "voltest")
  2491. // Remove the main volume container and restart the consuming container
  2492. dockerCmd(c, "rm", "-f", "voltest")
  2493. // This should not fail since the volumes-from were already applied
  2494. dockerCmd(c, "restart", "restarter")
  2495. }
  2496. // run container with --rm should remove container if exit code != 0
  2497. func (s *DockerSuite) TestRunContainerWithRmFlagExitCodeNotEqualToZero(c *check.C) {
  2498. name := "flowers"
  2499. out, _, err := dockerCmdWithError("run", "--name", name, "--rm", "busybox", "ls", "/notexists")
  2500. if err == nil {
  2501. c.Fatal("Expected docker run to fail", out, err)
  2502. }
  2503. out, err = getAllContainers()
  2504. if err != nil {
  2505. c.Fatal(out, err)
  2506. }
  2507. if out != "" {
  2508. c.Fatal("Expected not to have containers", out)
  2509. }
  2510. }
  2511. func (s *DockerSuite) TestRunContainerWithRmFlagCannotStartContainer(c *check.C) {
  2512. name := "sparkles"
  2513. out, _, err := dockerCmdWithError("run", "--name", name, "--rm", "busybox", "commandNotFound")
  2514. if err == nil {
  2515. c.Fatal("Expected docker run to fail", out, err)
  2516. }
  2517. out, err = getAllContainers()
  2518. if err != nil {
  2519. c.Fatal(out, err)
  2520. }
  2521. if out != "" {
  2522. c.Fatal("Expected not to have containers", out)
  2523. }
  2524. }
  2525. func (s *DockerSuite) TestRunPidHostWithChildIsKillable(c *check.C) {
  2526. // Not applicable on Windows as uses Unix specific functionality
  2527. testRequires(c, DaemonIsLinux, NotUserNamespace)
  2528. name := "ibuildthecloud"
  2529. dockerCmd(c, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi")
  2530. c.Assert(waitRun(name), check.IsNil)
  2531. errchan := make(chan error)
  2532. go func() {
  2533. if out, _, err := dockerCmdWithError("kill", name); err != nil {
  2534. errchan <- fmt.Errorf("%v:\n%s", err, out)
  2535. }
  2536. close(errchan)
  2537. }()
  2538. select {
  2539. case err := <-errchan:
  2540. c.Assert(err, check.IsNil)
  2541. case <-time.After(5 * time.Second):
  2542. c.Fatal("Kill container timed out")
  2543. }
  2544. }
  2545. func (s *DockerSuite) TestRunWithTooSmallMemoryLimit(c *check.C) {
  2546. // TODO Windows. This may be possible to enable once Windows supports
  2547. // memory limits on containers
  2548. testRequires(c, DaemonIsLinux)
  2549. // this memory limit is 1 byte less than the min, which is 4MB
  2550. // https://github.com/docker/docker/blob/v1.5.0/daemon/create.go#L22
  2551. out, _, err := dockerCmdWithError("run", "-m", "4194303", "busybox")
  2552. if err == nil || !strings.Contains(out, "Minimum memory limit allowed is 4MB") {
  2553. c.Fatalf("expected run to fail when using too low a memory limit: %q", out)
  2554. }
  2555. }
  2556. func (s *DockerSuite) TestRunWriteToProcAsound(c *check.C) {
  2557. // Not applicable on Windows as uses Unix specific functionality
  2558. testRequires(c, DaemonIsLinux)
  2559. _, code, err := dockerCmdWithError("run", "busybox", "sh", "-c", "echo 111 >> /proc/asound/version")
  2560. if err == nil || code == 0 {
  2561. c.Fatal("standard container should not be able to write to /proc/asound")
  2562. }
  2563. }
  2564. func (s *DockerSuite) TestRunReadProcTimer(c *check.C) {
  2565. // Not applicable on Windows as uses Unix specific functionality
  2566. testRequires(c, DaemonIsLinux)
  2567. out, code, err := dockerCmdWithError("run", "busybox", "cat", "/proc/timer_stats")
  2568. if code != 0 {
  2569. return
  2570. }
  2571. if err != nil {
  2572. c.Fatal(err)
  2573. }
  2574. if strings.Trim(out, "\n ") != "" {
  2575. c.Fatalf("expected to receive no output from /proc/timer_stats but received %q", out)
  2576. }
  2577. }
  2578. func (s *DockerSuite) TestRunReadProcLatency(c *check.C) {
  2579. // Not applicable on Windows as uses Unix specific functionality
  2580. testRequires(c, DaemonIsLinux)
  2581. // some kernels don't have this configured so skip the test if this file is not found
  2582. // on the host running the tests.
  2583. if _, err := os.Stat("/proc/latency_stats"); err != nil {
  2584. c.Skip("kernel doesn't have latency_stats configured")
  2585. return
  2586. }
  2587. out, code, err := dockerCmdWithError("run", "busybox", "cat", "/proc/latency_stats")
  2588. if code != 0 {
  2589. return
  2590. }
  2591. if err != nil {
  2592. c.Fatal(err)
  2593. }
  2594. if strings.Trim(out, "\n ") != "" {
  2595. c.Fatalf("expected to receive no output from /proc/latency_stats but received %q", out)
  2596. }
  2597. }
  2598. func (s *DockerSuite) TestRunReadFilteredProc(c *check.C) {
  2599. // Not applicable on Windows as uses Unix specific functionality
  2600. testRequires(c, Apparmor, DaemonIsLinux, NotUserNamespace)
  2601. testReadPaths := []string{
  2602. "/proc/latency_stats",
  2603. "/proc/timer_stats",
  2604. "/proc/kcore",
  2605. }
  2606. for i, filePath := range testReadPaths {
  2607. name := fmt.Sprintf("procsieve-%d", i)
  2608. shellCmd := fmt.Sprintf("exec 3<%s", filePath)
  2609. out, exitCode, err := dockerCmdWithError("run", "--privileged", "--security-opt", "apparmor=docker-default", "--name", name, "busybox", "sh", "-c", shellCmd)
  2610. if exitCode != 0 {
  2611. return
  2612. }
  2613. if err != nil {
  2614. c.Fatalf("Open FD for read should have failed with permission denied, got: %s, %v", out, err)
  2615. }
  2616. }
  2617. }
  2618. func (s *DockerSuite) TestMountIntoProc(c *check.C) {
  2619. // Not applicable on Windows as uses Unix specific functionality
  2620. testRequires(c, DaemonIsLinux)
  2621. _, code, err := dockerCmdWithError("run", "-v", "/proc//sys", "busybox", "true")
  2622. if err == nil || code == 0 {
  2623. c.Fatal("container should not be able to mount into /proc")
  2624. }
  2625. }
  2626. func (s *DockerSuite) TestMountIntoSys(c *check.C) {
  2627. // Not applicable on Windows as uses Unix specific functionality
  2628. testRequires(c, DaemonIsLinux)
  2629. testRequires(c, NotUserNamespace)
  2630. dockerCmd(c, "run", "-v", "/sys/fs/cgroup", "busybox", "true")
  2631. }
  2632. func (s *DockerSuite) TestRunUnshareProc(c *check.C) {
  2633. // Not applicable on Windows as uses Unix specific functionality
  2634. testRequires(c, Apparmor, DaemonIsLinux, NotUserNamespace)
  2635. // In this test goroutines are used to run test cases in parallel to prevent the test from taking a long time to run.
  2636. errChan := make(chan error)
  2637. go func() {
  2638. name := "acidburn"
  2639. out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:jessie", "unshare", "-p", "-m", "-f", "-r", "--mount-proc=/proc", "mount")
  2640. if err == nil ||
  2641. !(strings.Contains(strings.ToLower(out), "permission denied") ||
  2642. strings.Contains(strings.ToLower(out), "operation not permitted")) {
  2643. errChan <- fmt.Errorf("unshare with --mount-proc should have failed with 'permission denied' or 'operation not permitted', got: %s, %v", out, err)
  2644. } else {
  2645. errChan <- nil
  2646. }
  2647. }()
  2648. go func() {
  2649. name := "cereal"
  2650. out, _, err := dockerCmdWithError("run", "--name", name, "--security-opt", "seccomp=unconfined", "debian:jessie", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc")
  2651. if err == nil ||
  2652. !(strings.Contains(strings.ToLower(out), "mount: cannot mount none") ||
  2653. strings.Contains(strings.ToLower(out), "permission denied") ||
  2654. strings.Contains(strings.ToLower(out), "operation not permitted")) {
  2655. errChan <- fmt.Errorf("unshare and mount of /proc should have failed with 'mount: cannot mount none' or 'permission denied', got: %s, %v", out, err)
  2656. } else {
  2657. errChan <- nil
  2658. }
  2659. }()
  2660. /* Ensure still fails if running privileged with the default policy */
  2661. go func() {
  2662. name := "crashoverride"
  2663. out, _, err := dockerCmdWithError("run", "--privileged", "--security-opt", "seccomp=unconfined", "--security-opt", "apparmor=docker-default", "--name", name, "debian:jessie", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc")
  2664. if err == nil ||
  2665. !(strings.Contains(strings.ToLower(out), "mount: cannot mount none") ||
  2666. strings.Contains(strings.ToLower(out), "permission denied") ||
  2667. strings.Contains(strings.ToLower(out), "operation not permitted")) {
  2668. errChan <- fmt.Errorf("privileged unshare with apparmor should have failed with 'mount: cannot mount none' or 'permission denied', got: %s, %v", out, err)
  2669. } else {
  2670. errChan <- nil
  2671. }
  2672. }()
  2673. for i := 0; i < 3; i++ {
  2674. err := <-errChan
  2675. if err != nil {
  2676. c.Fatal(err)
  2677. }
  2678. }
  2679. }
  2680. func (s *DockerSuite) TestRunPublishPort(c *check.C) {
  2681. // TODO Windows: This may be possible once Windows moves to libnetwork and CNM
  2682. testRequires(c, DaemonIsLinux)
  2683. dockerCmd(c, "run", "-d", "--name", "test", "--expose", "8080", "busybox", "top")
  2684. out, _ := dockerCmd(c, "port", "test")
  2685. out = strings.Trim(out, "\r\n")
  2686. if out != "" {
  2687. c.Fatalf("run without --publish-all should not publish port, out should be nil, but got: %s", out)
  2688. }
  2689. }
  2690. // Issue #10184.
  2691. func (s *DockerSuite) TestDevicePermissions(c *check.C) {
  2692. // Not applicable on Windows as uses Unix specific functionality
  2693. testRequires(c, DaemonIsLinux)
  2694. const permissions = "crw-rw-rw-"
  2695. out, status := dockerCmd(c, "run", "--device", "/dev/fuse:/dev/fuse:mrw", "busybox:latest", "ls", "-l", "/dev/fuse")
  2696. if status != 0 {
  2697. c.Fatalf("expected status 0, got %d", status)
  2698. }
  2699. if !strings.HasPrefix(out, permissions) {
  2700. c.Fatalf("output should begin with %q, got %q", permissions, out)
  2701. }
  2702. }
  2703. func (s *DockerSuite) TestRunCapAddCHOWN(c *check.C) {
  2704. // Not applicable on Windows as uses Unix specific functionality
  2705. testRequires(c, DaemonIsLinux)
  2706. out, _ := dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=CHOWN", "busybox", "sh", "-c", "adduser -D -H newuser && chown newuser /home && echo ok")
  2707. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  2708. c.Fatalf("expected output ok received %s", actual)
  2709. }
  2710. }
  2711. // https://github.com/docker/docker/pull/14498
  2712. func (s *DockerSuite) TestVolumeFromMixedRWOptions(c *check.C) {
  2713. prefix, slash := getPrefixAndSlashFromDaemonPlatform()
  2714. dockerCmd(c, "run", "--name", "parent", "-v", prefix+"/test", "busybox", "true")
  2715. // TODO Windows: Temporary check - remove once TP5 support is dropped
  2716. if daemonPlatform != "windows" || windowsDaemonKV >= 14350 {
  2717. dockerCmd(c, "run", "--volumes-from", "parent:ro", "--name", "test-volumes-1", "busybox", "true")
  2718. }
  2719. dockerCmd(c, "run", "--volumes-from", "parent:rw", "--name", "test-volumes-2", "busybox", "true")
  2720. if daemonPlatform != "windows" {
  2721. mRO, err := inspectMountPoint("test-volumes-1", prefix+slash+"test")
  2722. c.Assert(err, checker.IsNil, check.Commentf("failed to inspect mount point"))
  2723. if mRO.RW {
  2724. c.Fatalf("Expected RO volume was RW")
  2725. }
  2726. }
  2727. mRW, err := inspectMountPoint("test-volumes-2", prefix+slash+"test")
  2728. c.Assert(err, checker.IsNil, check.Commentf("failed to inspect mount point"))
  2729. if !mRW.RW {
  2730. c.Fatalf("Expected RW volume was RO")
  2731. }
  2732. }
  2733. func (s *DockerSuite) TestRunWriteFilteredProc(c *check.C) {
  2734. // Not applicable on Windows as uses Unix specific functionality
  2735. testRequires(c, Apparmor, DaemonIsLinux, NotUserNamespace)
  2736. testWritePaths := []string{
  2737. /* modprobe and core_pattern should both be denied by generic
  2738. * policy of denials for /proc/sys/kernel. These files have been
  2739. * picked to be checked as they are particularly sensitive to writes */
  2740. "/proc/sys/kernel/modprobe",
  2741. "/proc/sys/kernel/core_pattern",
  2742. "/proc/sysrq-trigger",
  2743. "/proc/kcore",
  2744. }
  2745. for i, filePath := range testWritePaths {
  2746. name := fmt.Sprintf("writeprocsieve-%d", i)
  2747. shellCmd := fmt.Sprintf("exec 3>%s", filePath)
  2748. out, code, err := dockerCmdWithError("run", "--privileged", "--security-opt", "apparmor=docker-default", "--name", name, "busybox", "sh", "-c", shellCmd)
  2749. if code != 0 {
  2750. return
  2751. }
  2752. if err != nil {
  2753. c.Fatalf("Open FD for write should have failed with permission denied, got: %s, %v", out, err)
  2754. }
  2755. }
  2756. }
  2757. func (s *DockerSuite) TestRunNetworkFilesBindMount(c *check.C) {
  2758. // Not applicable on Windows as uses Unix specific functionality
  2759. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2760. expected := "test123"
  2761. filename := createTmpFile(c, expected)
  2762. defer os.Remove(filename)
  2763. nwfiles := []string{"/etc/resolv.conf", "/etc/hosts", "/etc/hostname"}
  2764. for i := range nwfiles {
  2765. actual, _ := dockerCmd(c, "run", "-v", filename+":"+nwfiles[i], "busybox", "cat", nwfiles[i])
  2766. if actual != expected {
  2767. c.Fatalf("expected %s be: %q, but was: %q", nwfiles[i], expected, actual)
  2768. }
  2769. }
  2770. }
  2771. func (s *DockerSuite) TestRunNetworkFilesBindMountRO(c *check.C) {
  2772. // Not applicable on Windows as uses Unix specific functionality
  2773. testRequires(c, SameHostDaemon, DaemonIsLinux)
  2774. filename := createTmpFile(c, "test123")
  2775. defer os.Remove(filename)
  2776. nwfiles := []string{"/etc/resolv.conf", "/etc/hosts", "/etc/hostname"}
  2777. for i := range nwfiles {
  2778. _, exitCode, err := dockerCmdWithError("run", "-v", filename+":"+nwfiles[i]+":ro", "busybox", "touch", nwfiles[i])
  2779. if err == nil || exitCode == 0 {
  2780. c.Fatalf("run should fail because bind mount of %s is ro: exit code %d", nwfiles[i], exitCode)
  2781. }
  2782. }
  2783. }
  2784. func (s *DockerSuite) TestRunNetworkFilesBindMountROFilesystem(c *check.C) {
  2785. // Not applicable on Windows as uses Unix specific functionality
  2786. // --read-only + userns has remount issues
  2787. testRequires(c, SameHostDaemon, DaemonIsLinux, NotUserNamespace)
  2788. filename := createTmpFile(c, "test123")
  2789. defer os.Remove(filename)
  2790. nwfiles := []string{"/etc/resolv.conf", "/etc/hosts", "/etc/hostname"}
  2791. for i := range nwfiles {
  2792. _, exitCode := dockerCmd(c, "run", "-v", filename+":"+nwfiles[i], "--read-only", "busybox", "touch", nwfiles[i])
  2793. if exitCode != 0 {
  2794. c.Fatalf("run should not fail because %s is mounted writable on read-only root filesystem: exit code %d", nwfiles[i], exitCode)
  2795. }
  2796. }
  2797. for i := range nwfiles {
  2798. _, exitCode, err := dockerCmdWithError("run", "-v", filename+":"+nwfiles[i]+":ro", "--read-only", "busybox", "touch", nwfiles[i])
  2799. if err == nil || exitCode == 0 {
  2800. c.Fatalf("run should fail because %s is mounted read-only on read-only root filesystem: exit code %d", nwfiles[i], exitCode)
  2801. }
  2802. }
  2803. }
  2804. func (s *DockerTrustSuite) TestTrustedRun(c *check.C) {
  2805. // Windows does not support this functionality
  2806. testRequires(c, DaemonIsLinux)
  2807. repoName := s.setupTrustedImage(c, "trusted-run")
  2808. // Try run
  2809. runCmd := exec.Command(dockerBinary, "run", repoName)
  2810. s.trustedCmd(runCmd)
  2811. out, _, err := runCommandWithOutput(runCmd)
  2812. if err != nil {
  2813. c.Fatalf("Error running trusted run: %s\n%s\n", err, out)
  2814. }
  2815. if !strings.Contains(string(out), "Tagging") {
  2816. c.Fatalf("Missing expected output on trusted push:\n%s", out)
  2817. }
  2818. dockerCmd(c, "rmi", repoName)
  2819. // Try untrusted run to ensure we pushed the tag to the registry
  2820. runCmd = exec.Command(dockerBinary, "run", "--disable-content-trust=true", repoName)
  2821. s.trustedCmd(runCmd)
  2822. out, _, err = runCommandWithOutput(runCmd)
  2823. if err != nil {
  2824. c.Fatalf("Error running trusted run: %s\n%s", err, out)
  2825. }
  2826. if !strings.Contains(string(out), "Status: Downloaded") {
  2827. c.Fatalf("Missing expected output on trusted run with --disable-content-trust:\n%s", out)
  2828. }
  2829. }
  2830. func (s *DockerTrustSuite) TestUntrustedRun(c *check.C) {
  2831. // Windows does not support this functionality
  2832. testRequires(c, DaemonIsLinux)
  2833. repoName := fmt.Sprintf("%v/dockercliuntrusted/runtest:latest", privateRegistryURL)
  2834. // tag the image and upload it to the private registry
  2835. dockerCmd(c, "tag", "busybox", repoName)
  2836. dockerCmd(c, "push", repoName)
  2837. dockerCmd(c, "rmi", repoName)
  2838. // Try trusted run on untrusted tag
  2839. runCmd := exec.Command(dockerBinary, "run", repoName)
  2840. s.trustedCmd(runCmd)
  2841. out, _, err := runCommandWithOutput(runCmd)
  2842. if err == nil {
  2843. c.Fatalf("Error expected when running trusted run with:\n%s", out)
  2844. }
  2845. if !strings.Contains(string(out), "does not have trust data for") {
  2846. c.Fatalf("Missing expected output on trusted run:\n%s", out)
  2847. }
  2848. }
  2849. func (s *DockerTrustSuite) TestRunWhenCertExpired(c *check.C) {
  2850. // Windows does not support this functionality
  2851. testRequires(c, DaemonIsLinux)
  2852. c.Skip("Currently changes system time, causing instability")
  2853. repoName := s.setupTrustedImage(c, "trusted-run-expired")
  2854. // Certificates have 10 years of expiration
  2855. elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11)
  2856. runAtDifferentDate(elevenYearsFromNow, func() {
  2857. // Try run
  2858. runCmd := exec.Command(dockerBinary, "run", repoName)
  2859. s.trustedCmd(runCmd)
  2860. out, _, err := runCommandWithOutput(runCmd)
  2861. if err == nil {
  2862. c.Fatalf("Error running trusted run in the distant future: %s\n%s", err, out)
  2863. }
  2864. if !strings.Contains(string(out), "could not validate the path to a trusted root") {
  2865. c.Fatalf("Missing expected output on trusted run in the distant future:\n%s", out)
  2866. }
  2867. })
  2868. runAtDifferentDate(elevenYearsFromNow, func() {
  2869. // Try run
  2870. runCmd := exec.Command(dockerBinary, "run", "--disable-content-trust", repoName)
  2871. s.trustedCmd(runCmd)
  2872. out, _, err := runCommandWithOutput(runCmd)
  2873. if err != nil {
  2874. c.Fatalf("Error running untrusted run in the distant future: %s\n%s", err, out)
  2875. }
  2876. if !strings.Contains(string(out), "Status: Downloaded") {
  2877. c.Fatalf("Missing expected output on untrusted run in the distant future:\n%s", out)
  2878. }
  2879. })
  2880. }
  2881. func (s *DockerTrustSuite) TestTrustedRunFromBadTrustServer(c *check.C) {
  2882. // Windows does not support this functionality
  2883. testRequires(c, DaemonIsLinux)
  2884. repoName := fmt.Sprintf("%v/dockerclievilrun/trusted:latest", privateRegistryURL)
  2885. evilLocalConfigDir, err := ioutil.TempDir("", "evilrun-local-config-dir")
  2886. if err != nil {
  2887. c.Fatalf("Failed to create local temp dir")
  2888. }
  2889. // tag the image and upload it to the private registry
  2890. dockerCmd(c, "tag", "busybox", repoName)
  2891. pushCmd := exec.Command(dockerBinary, "push", repoName)
  2892. s.trustedCmd(pushCmd)
  2893. out, _, err := runCommandWithOutput(pushCmd)
  2894. if err != nil {
  2895. c.Fatalf("Error running trusted push: %s\n%s", err, out)
  2896. }
  2897. if !strings.Contains(string(out), "Signing and pushing trust metadata") {
  2898. c.Fatalf("Missing expected output on trusted push:\n%s", out)
  2899. }
  2900. dockerCmd(c, "rmi", repoName)
  2901. // Try run
  2902. runCmd := exec.Command(dockerBinary, "run", repoName)
  2903. s.trustedCmd(runCmd)
  2904. out, _, err = runCommandWithOutput(runCmd)
  2905. if err != nil {
  2906. c.Fatalf("Error running trusted run: %s\n%s", err, out)
  2907. }
  2908. if !strings.Contains(string(out), "Tagging") {
  2909. c.Fatalf("Missing expected output on trusted push:\n%s", out)
  2910. }
  2911. dockerCmd(c, "rmi", repoName)
  2912. // Kill the notary server, start a new "evil" one.
  2913. s.not.Close()
  2914. s.not, err = newTestNotary(c)
  2915. if err != nil {
  2916. c.Fatalf("Restarting notary server failed.")
  2917. }
  2918. // In order to make an evil server, lets re-init a client (with a different trust dir) and push new data.
  2919. // tag an image and upload it to the private registry
  2920. dockerCmd(c, "--config", evilLocalConfigDir, "tag", "busybox", repoName)
  2921. // Push up to the new server
  2922. pushCmd = exec.Command(dockerBinary, "--config", evilLocalConfigDir, "push", repoName)
  2923. s.trustedCmd(pushCmd)
  2924. out, _, err = runCommandWithOutput(pushCmd)
  2925. if err != nil {
  2926. c.Fatalf("Error running trusted push: %s\n%s", err, out)
  2927. }
  2928. if !strings.Contains(string(out), "Signing and pushing trust metadata") {
  2929. c.Fatalf("Missing expected output on trusted push:\n%s", out)
  2930. }
  2931. // Now, try running with the original client from this new trust server. This should fallback to our cached timestamp and metadata.
  2932. runCmd = exec.Command(dockerBinary, "run", repoName)
  2933. s.trustedCmd(runCmd)
  2934. out, _, err = runCommandWithOutput(runCmd)
  2935. if err != nil {
  2936. c.Fatalf("Error falling back to cached trust data: %s\n%s", err, out)
  2937. }
  2938. if !strings.Contains(string(out), "Error while downloading remote metadata, using cached timestamp") {
  2939. c.Fatalf("Missing expected output on trusted push:\n%s", out)
  2940. }
  2941. }
  2942. func (s *DockerSuite) TestPtraceContainerProcsFromHost(c *check.C) {
  2943. // Not applicable on Windows as uses Unix specific functionality
  2944. testRequires(c, DaemonIsLinux, SameHostDaemon)
  2945. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  2946. id := strings.TrimSpace(out)
  2947. c.Assert(waitRun(id), check.IsNil)
  2948. pid1 := inspectField(c, id, "State.Pid")
  2949. _, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
  2950. if err != nil {
  2951. c.Fatal(err)
  2952. }
  2953. }
  2954. func (s *DockerSuite) TestAppArmorDeniesPtrace(c *check.C) {
  2955. // Not applicable on Windows as uses Unix specific functionality
  2956. testRequires(c, SameHostDaemon, Apparmor, DaemonIsLinux, NotGCCGO)
  2957. // Run through 'sh' so we are NOT pid 1. Pid 1 may be able to trace
  2958. // itself, but pid>1 should not be able to trace pid1.
  2959. _, exitCode, _ := dockerCmdWithError("run", "busybox", "sh", "-c", "sh -c readlink /proc/1/ns/net")
  2960. if exitCode == 0 {
  2961. c.Fatal("ptrace was not successfully restricted by AppArmor")
  2962. }
  2963. }
  2964. func (s *DockerSuite) TestAppArmorTraceSelf(c *check.C) {
  2965. // Not applicable on Windows as uses Unix specific functionality
  2966. testRequires(c, DaemonIsLinux, SameHostDaemon, Apparmor)
  2967. _, exitCode, _ := dockerCmdWithError("run", "busybox", "readlink", "/proc/1/ns/net")
  2968. if exitCode != 0 {
  2969. c.Fatal("ptrace of self failed.")
  2970. }
  2971. }
  2972. func (s *DockerSuite) TestAppArmorDeniesChmodProc(c *check.C) {
  2973. // Not applicable on Windows as uses Unix specific functionality
  2974. testRequires(c, SameHostDaemon, Apparmor, DaemonIsLinux, NotUserNamespace)
  2975. _, exitCode, _ := dockerCmdWithError("run", "busybox", "chmod", "744", "/proc/cpuinfo")
  2976. if exitCode == 0 {
  2977. // If our test failed, attempt to repair the host system...
  2978. _, exitCode, _ := dockerCmdWithError("run", "busybox", "chmod", "444", "/proc/cpuinfo")
  2979. if exitCode == 0 {
  2980. c.Fatal("AppArmor was unsuccessful in prohibiting chmod of /proc/* files.")
  2981. }
  2982. }
  2983. }
  2984. func (s *DockerSuite) TestRunCapAddSYSTIME(c *check.C) {
  2985. // Not applicable on Windows as uses Unix specific functionality
  2986. testRequires(c, DaemonIsLinux)
  2987. dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=SYS_TIME", "busybox", "sh", "-c", "grep ^CapEff /proc/self/status | sed 's/^CapEff:\t//' | grep ^0000000002000000$")
  2988. }
  2989. // run create container failed should clean up the container
  2990. func (s *DockerSuite) TestRunCreateContainerFailedCleanUp(c *check.C) {
  2991. // TODO Windows. This may be possible to enable once link is supported
  2992. testRequires(c, DaemonIsLinux)
  2993. name := "unique_name"
  2994. _, _, err := dockerCmdWithError("run", "--name", name, "--link", "nothing:nothing", "busybox")
  2995. c.Assert(err, check.NotNil, check.Commentf("Expected docker run to fail!"))
  2996. containerID, err := inspectFieldWithError(name, "Id")
  2997. c.Assert(err, checker.NotNil, check.Commentf("Expected not to have this container: %s!", containerID))
  2998. c.Assert(containerID, check.Equals, "", check.Commentf("Expected not to have this container: %s!", containerID))
  2999. }
  3000. func (s *DockerSuite) TestRunNamedVolume(c *check.C) {
  3001. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  3002. testRequires(c, DaemonIsLinux)
  3003. dockerCmd(c, "run", "--name=test", "-v", "testing:"+prefix+"/foo", "busybox", "sh", "-c", "echo hello > "+prefix+"/foo/bar")
  3004. out, _ := dockerCmd(c, "run", "--volumes-from", "test", "busybox", "sh", "-c", "cat "+prefix+"/foo/bar")
  3005. c.Assert(strings.TrimSpace(out), check.Equals, "hello")
  3006. out, _ = dockerCmd(c, "run", "-v", "testing:"+prefix+"/foo", "busybox", "sh", "-c", "cat "+prefix+"/foo/bar")
  3007. c.Assert(strings.TrimSpace(out), check.Equals, "hello")
  3008. }
  3009. func (s *DockerSuite) TestRunWithUlimits(c *check.C) {
  3010. // Not applicable on Windows as uses Unix specific functionality
  3011. testRequires(c, DaemonIsLinux)
  3012. out, _ := dockerCmd(c, "run", "--name=testulimits", "--ulimit", "nofile=42", "busybox", "/bin/sh", "-c", "ulimit -n")
  3013. ul := strings.TrimSpace(out)
  3014. if ul != "42" {
  3015. c.Fatalf("expected `ulimit -n` to be 42, got %s", ul)
  3016. }
  3017. }
  3018. func (s *DockerSuite) TestRunContainerWithCgroupParent(c *check.C) {
  3019. // Not applicable on Windows as uses Unix specific functionality
  3020. testRequires(c, DaemonIsLinux)
  3021. cgroupParent := "test"
  3022. name := "cgroup-test"
  3023. out, _, err := dockerCmdWithError("run", "--cgroup-parent", cgroupParent, "--name", name, "busybox", "cat", "/proc/self/cgroup")
  3024. if err != nil {
  3025. c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err)
  3026. }
  3027. cgroupPaths := parseCgroupPaths(string(out))
  3028. if len(cgroupPaths) == 0 {
  3029. c.Fatalf("unexpected output - %q", string(out))
  3030. }
  3031. id, err := getIDByName(name)
  3032. c.Assert(err, check.IsNil)
  3033. expectedCgroup := path.Join(cgroupParent, id)
  3034. found := false
  3035. for _, path := range cgroupPaths {
  3036. if strings.HasSuffix(path, expectedCgroup) {
  3037. found = true
  3038. break
  3039. }
  3040. }
  3041. if !found {
  3042. c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have suffix %q. Cgroup Paths: %v", expectedCgroup, cgroupPaths)
  3043. }
  3044. }
  3045. func (s *DockerSuite) TestRunContainerWithCgroupParentAbsPath(c *check.C) {
  3046. // Not applicable on Windows as uses Unix specific functionality
  3047. testRequires(c, DaemonIsLinux)
  3048. cgroupParent := "/cgroup-parent/test"
  3049. name := "cgroup-test"
  3050. out, _, err := dockerCmdWithError("run", "--cgroup-parent", cgroupParent, "--name", name, "busybox", "cat", "/proc/self/cgroup")
  3051. if err != nil {
  3052. c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err)
  3053. }
  3054. cgroupPaths := parseCgroupPaths(string(out))
  3055. if len(cgroupPaths) == 0 {
  3056. c.Fatalf("unexpected output - %q", string(out))
  3057. }
  3058. id, err := getIDByName(name)
  3059. c.Assert(err, check.IsNil)
  3060. expectedCgroup := path.Join(cgroupParent, id)
  3061. found := false
  3062. for _, path := range cgroupPaths {
  3063. if strings.HasSuffix(path, expectedCgroup) {
  3064. found = true
  3065. break
  3066. }
  3067. }
  3068. if !found {
  3069. c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have suffix %q. Cgroup Paths: %v", expectedCgroup, cgroupPaths)
  3070. }
  3071. }
  3072. // TestRunInvalidCgroupParent checks that a specially-crafted cgroup parent doesn't cause Docker to crash or start modifying /.
  3073. func (s *DockerSuite) TestRunInvalidCgroupParent(c *check.C) {
  3074. // Not applicable on Windows as uses Unix specific functionality
  3075. testRequires(c, DaemonIsLinux)
  3076. cgroupParent := "../../../../../../../../SHOULD_NOT_EXIST"
  3077. cleanCgroupParent := "SHOULD_NOT_EXIST"
  3078. name := "cgroup-invalid-test"
  3079. out, _, err := dockerCmdWithError("run", "--cgroup-parent", cgroupParent, "--name", name, "busybox", "cat", "/proc/self/cgroup")
  3080. if err != nil {
  3081. // XXX: This may include a daemon crash.
  3082. c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err)
  3083. }
  3084. // We expect "/SHOULD_NOT_EXIST" to not exist. If not, we have a security issue.
  3085. if _, err := os.Stat("/SHOULD_NOT_EXIST"); err == nil || !os.IsNotExist(err) {
  3086. c.Fatalf("SECURITY: --cgroup-parent with ../../ relative paths cause files to be created in the host (this is bad) !!")
  3087. }
  3088. cgroupPaths := parseCgroupPaths(string(out))
  3089. if len(cgroupPaths) == 0 {
  3090. c.Fatalf("unexpected output - %q", string(out))
  3091. }
  3092. id, err := getIDByName(name)
  3093. c.Assert(err, check.IsNil)
  3094. expectedCgroup := path.Join(cleanCgroupParent, id)
  3095. found := false
  3096. for _, path := range cgroupPaths {
  3097. if strings.HasSuffix(path, expectedCgroup) {
  3098. found = true
  3099. break
  3100. }
  3101. }
  3102. if !found {
  3103. c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have suffix %q. Cgroup Paths: %v", expectedCgroup, cgroupPaths)
  3104. }
  3105. }
  3106. // TestRunInvalidCgroupParent checks that a specially-crafted cgroup parent doesn't cause Docker to crash or start modifying /.
  3107. func (s *DockerSuite) TestRunAbsoluteInvalidCgroupParent(c *check.C) {
  3108. // Not applicable on Windows as uses Unix specific functionality
  3109. testRequires(c, DaemonIsLinux)
  3110. cgroupParent := "/../../../../../../../../SHOULD_NOT_EXIST"
  3111. cleanCgroupParent := "/SHOULD_NOT_EXIST"
  3112. name := "cgroup-absolute-invalid-test"
  3113. out, _, err := dockerCmdWithError("run", "--cgroup-parent", cgroupParent, "--name", name, "busybox", "cat", "/proc/self/cgroup")
  3114. if err != nil {
  3115. // XXX: This may include a daemon crash.
  3116. c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err)
  3117. }
  3118. // We expect "/SHOULD_NOT_EXIST" to not exist. If not, we have a security issue.
  3119. if _, err := os.Stat("/SHOULD_NOT_EXIST"); err == nil || !os.IsNotExist(err) {
  3120. c.Fatalf("SECURITY: --cgroup-parent with /../../ garbage paths cause files to be created in the host (this is bad) !!")
  3121. }
  3122. cgroupPaths := parseCgroupPaths(string(out))
  3123. if len(cgroupPaths) == 0 {
  3124. c.Fatalf("unexpected output - %q", string(out))
  3125. }
  3126. id, err := getIDByName(name)
  3127. c.Assert(err, check.IsNil)
  3128. expectedCgroup := path.Join(cleanCgroupParent, id)
  3129. found := false
  3130. for _, path := range cgroupPaths {
  3131. if strings.HasSuffix(path, expectedCgroup) {
  3132. found = true
  3133. break
  3134. }
  3135. }
  3136. if !found {
  3137. c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have suffix %q. Cgroup Paths: %v", expectedCgroup, cgroupPaths)
  3138. }
  3139. }
  3140. func (s *DockerSuite) TestRunContainerWithCgroupMountRO(c *check.C) {
  3141. // Not applicable on Windows as uses Unix specific functionality
  3142. // --read-only + userns has remount issues
  3143. testRequires(c, DaemonIsLinux, NotUserNamespace)
  3144. filename := "/sys/fs/cgroup/devices/test123"
  3145. out, _, err := dockerCmdWithError("run", "busybox", "touch", filename)
  3146. if err == nil {
  3147. c.Fatal("expected cgroup mount point to be read-only, touch file should fail")
  3148. }
  3149. expected := "Read-only file system"
  3150. if !strings.Contains(out, expected) {
  3151. c.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
  3152. }
  3153. }
  3154. func (s *DockerSuite) TestRunContainerNetworkModeToSelf(c *check.C) {
  3155. // Not applicable on Windows which does not support --net=container
  3156. testRequires(c, DaemonIsLinux)
  3157. out, _, err := dockerCmdWithError("run", "--name=me", "--net=container:me", "busybox", "true")
  3158. if err == nil || !strings.Contains(out, "cannot join own network") {
  3159. c.Fatalf("using container net mode to self should result in an error\nerr: %q\nout: %s", err, out)
  3160. }
  3161. }
  3162. func (s *DockerSuite) TestRunContainerNetModeWithDNSMacHosts(c *check.C) {
  3163. // Not applicable on Windows which does not support --net=container
  3164. testRequires(c, DaemonIsLinux)
  3165. out, _, err := dockerCmdWithError("run", "-d", "--name", "parent", "busybox", "top")
  3166. if err != nil {
  3167. c.Fatalf("failed to run container: %v, output: %q", err, out)
  3168. }
  3169. out, _, err = dockerCmdWithError("run", "--dns", "1.2.3.4", "--net=container:parent", "busybox")
  3170. if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkAndDNS.Error()) {
  3171. c.Fatalf("run --net=container with --dns should error out")
  3172. }
  3173. out, _, err = dockerCmdWithError("run", "--mac-address", "92:d0:c6:0a:29:33", "--net=container:parent", "busybox")
  3174. if err == nil || !strings.Contains(out, runconfig.ErrConflictContainerNetworkAndMac.Error()) {
  3175. c.Fatalf("run --net=container with --mac-address should error out")
  3176. }
  3177. out, _, err = dockerCmdWithError("run", "--add-host", "test:192.168.2.109", "--net=container:parent", "busybox")
  3178. if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkHosts.Error()) {
  3179. c.Fatalf("run --net=container with --add-host should error out")
  3180. }
  3181. }
  3182. func (s *DockerSuite) TestRunContainerNetModeWithExposePort(c *check.C) {
  3183. // Not applicable on Windows which does not support --net=container
  3184. testRequires(c, DaemonIsLinux)
  3185. dockerCmd(c, "run", "-d", "--name", "parent", "busybox", "top")
  3186. out, _, err := dockerCmdWithError("run", "-p", "5000:5000", "--net=container:parent", "busybox")
  3187. if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkPublishPorts.Error()) {
  3188. c.Fatalf("run --net=container with -p should error out")
  3189. }
  3190. out, _, err = dockerCmdWithError("run", "-P", "--net=container:parent", "busybox")
  3191. if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkPublishPorts.Error()) {
  3192. c.Fatalf("run --net=container with -P should error out")
  3193. }
  3194. out, _, err = dockerCmdWithError("run", "--expose", "5000", "--net=container:parent", "busybox")
  3195. if err == nil || !strings.Contains(out, runconfig.ErrConflictNetworkExposePorts.Error()) {
  3196. c.Fatalf("run --net=container with --expose should error out")
  3197. }
  3198. }
  3199. func (s *DockerSuite) TestRunLinkToContainerNetMode(c *check.C) {
  3200. // Not applicable on Windows which does not support --net=container or --link
  3201. testRequires(c, DaemonIsLinux)
  3202. dockerCmd(c, "run", "--name", "test", "-d", "busybox", "top")
  3203. dockerCmd(c, "run", "--name", "parent", "-d", "--net=container:test", "busybox", "top")
  3204. dockerCmd(c, "run", "-d", "--link=parent:parent", "busybox", "top")
  3205. dockerCmd(c, "run", "--name", "child", "-d", "--net=container:parent", "busybox", "top")
  3206. dockerCmd(c, "run", "-d", "--link=child:child", "busybox", "top")
  3207. }
  3208. func (s *DockerSuite) TestRunLoopbackOnlyExistsWhenNetworkingDisabled(c *check.C) {
  3209. // TODO Windows: This may be possible to convert.
  3210. testRequires(c, DaemonIsLinux)
  3211. out, _ := dockerCmd(c, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up")
  3212. var (
  3213. count = 0
  3214. parts = strings.Split(out, "\n")
  3215. )
  3216. for _, l := range parts {
  3217. if l != "" {
  3218. count++
  3219. }
  3220. }
  3221. if count != 1 {
  3222. c.Fatalf("Wrong interface count in container %d", count)
  3223. }
  3224. if !strings.HasPrefix(out, "1: lo") {
  3225. c.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out)
  3226. }
  3227. }
  3228. // Issue #4681
  3229. func (s *DockerSuite) TestRunLoopbackWhenNetworkDisabled(c *check.C) {
  3230. if daemonPlatform == "windows" {
  3231. dockerCmd(c, "run", "--net=none", WindowsBaseImage, "ping", "-n", "1", "127.0.0.1")
  3232. } else {
  3233. dockerCmd(c, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1")
  3234. }
  3235. }
  3236. func (s *DockerSuite) TestRunModeNetContainerHostname(c *check.C) {
  3237. // Windows does not support --net=container
  3238. testRequires(c, DaemonIsLinux, ExecSupport)
  3239. dockerCmd(c, "run", "-i", "-d", "--name", "parent", "busybox", "top")
  3240. out, _ := dockerCmd(c, "exec", "parent", "cat", "/etc/hostname")
  3241. out1, _ := dockerCmd(c, "run", "--net=container:parent", "busybox", "cat", "/etc/hostname")
  3242. if out1 != out {
  3243. c.Fatal("containers with shared net namespace should have same hostname")
  3244. }
  3245. }
  3246. func (s *DockerSuite) TestRunNetworkNotInitializedNoneMode(c *check.C) {
  3247. // TODO Windows: Network settings are not currently propagated. This may
  3248. // be resolved in the future with the move to libnetwork and CNM.
  3249. testRequires(c, DaemonIsLinux)
  3250. out, _ := dockerCmd(c, "run", "-d", "--net=none", "busybox", "top")
  3251. id := strings.TrimSpace(out)
  3252. res := inspectField(c, id, "NetworkSettings.Networks.none.IPAddress")
  3253. if res != "" {
  3254. c.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res)
  3255. }
  3256. }
  3257. func (s *DockerSuite) TestTwoContainersInNetHost(c *check.C) {
  3258. // Not applicable as Windows does not support --net=host
  3259. testRequires(c, DaemonIsLinux, NotUserNamespace, NotUserNamespace)
  3260. dockerCmd(c, "run", "-d", "--net=host", "--name=first", "busybox", "top")
  3261. dockerCmd(c, "run", "-d", "--net=host", "--name=second", "busybox", "top")
  3262. dockerCmd(c, "stop", "first")
  3263. dockerCmd(c, "stop", "second")
  3264. }
  3265. func (s *DockerSuite) TestContainersInUserDefinedNetwork(c *check.C) {
  3266. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  3267. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork")
  3268. dockerCmd(c, "run", "-d", "--net=testnetwork", "--name=first", "busybox", "top")
  3269. c.Assert(waitRun("first"), check.IsNil)
  3270. dockerCmd(c, "run", "-t", "--net=testnetwork", "--name=second", "busybox", "ping", "-c", "1", "first")
  3271. }
  3272. func (s *DockerSuite) TestContainersInMultipleNetworks(c *check.C) {
  3273. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  3274. // Create 2 networks using bridge driver
  3275. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3276. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork2")
  3277. // Run and connect containers to testnetwork1
  3278. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top")
  3279. c.Assert(waitRun("first"), check.IsNil)
  3280. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top")
  3281. c.Assert(waitRun("second"), check.IsNil)
  3282. // Check connectivity between containers in testnetwork2
  3283. dockerCmd(c, "exec", "first", "ping", "-c", "1", "second.testnetwork1")
  3284. // Connect containers to testnetwork2
  3285. dockerCmd(c, "network", "connect", "testnetwork2", "first")
  3286. dockerCmd(c, "network", "connect", "testnetwork2", "second")
  3287. // Check connectivity between containers
  3288. dockerCmd(c, "exec", "second", "ping", "-c", "1", "first.testnetwork2")
  3289. }
  3290. func (s *DockerSuite) TestContainersNetworkIsolation(c *check.C) {
  3291. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  3292. // Create 2 networks using bridge driver
  3293. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3294. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork2")
  3295. // Run 1 container in testnetwork1 and another in testnetwork2
  3296. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top")
  3297. c.Assert(waitRun("first"), check.IsNil)
  3298. dockerCmd(c, "run", "-d", "--net=testnetwork2", "--name=second", "busybox", "top")
  3299. c.Assert(waitRun("second"), check.IsNil)
  3300. // Check Isolation between containers : ping must fail
  3301. _, _, err := dockerCmdWithError("exec", "first", "ping", "-c", "1", "second")
  3302. c.Assert(err, check.NotNil)
  3303. // Connect first container to testnetwork2
  3304. dockerCmd(c, "network", "connect", "testnetwork2", "first")
  3305. // ping must succeed now
  3306. _, _, err = dockerCmdWithError("exec", "first", "ping", "-c", "1", "second")
  3307. c.Assert(err, check.IsNil)
  3308. // Disconnect first container from testnetwork2
  3309. dockerCmd(c, "network", "disconnect", "testnetwork2", "first")
  3310. // ping must fail again
  3311. _, _, err = dockerCmdWithError("exec", "first", "ping", "-c", "1", "second")
  3312. c.Assert(err, check.NotNil)
  3313. }
  3314. func (s *DockerSuite) TestNetworkRmWithActiveContainers(c *check.C) {
  3315. testRequires(c, DaemonIsLinux, NotUserNamespace)
  3316. // Create 2 networks using bridge driver
  3317. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3318. // Run and connect containers to testnetwork1
  3319. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top")
  3320. c.Assert(waitRun("first"), check.IsNil)
  3321. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top")
  3322. c.Assert(waitRun("second"), check.IsNil)
  3323. // Network delete with active containers must fail
  3324. _, _, err := dockerCmdWithError("network", "rm", "testnetwork1")
  3325. c.Assert(err, check.NotNil)
  3326. dockerCmd(c, "stop", "first")
  3327. _, _, err = dockerCmdWithError("network", "rm", "testnetwork1")
  3328. c.Assert(err, check.NotNil)
  3329. }
  3330. func (s *DockerSuite) TestContainerRestartInMultipleNetworks(c *check.C) {
  3331. testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm)
  3332. // Create 2 networks using bridge driver
  3333. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3334. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork2")
  3335. // Run and connect containers to testnetwork1
  3336. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=first", "busybox", "top")
  3337. c.Assert(waitRun("first"), check.IsNil)
  3338. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top")
  3339. c.Assert(waitRun("second"), check.IsNil)
  3340. // Check connectivity between containers in testnetwork2
  3341. dockerCmd(c, "exec", "first", "ping", "-c", "1", "second.testnetwork1")
  3342. // Connect containers to testnetwork2
  3343. dockerCmd(c, "network", "connect", "testnetwork2", "first")
  3344. dockerCmd(c, "network", "connect", "testnetwork2", "second")
  3345. // Check connectivity between containers
  3346. dockerCmd(c, "exec", "second", "ping", "-c", "1", "first.testnetwork2")
  3347. // Stop second container and test ping failures on both networks
  3348. dockerCmd(c, "stop", "second")
  3349. _, _, err := dockerCmdWithError("exec", "first", "ping", "-c", "1", "second.testnetwork1")
  3350. c.Assert(err, check.NotNil)
  3351. _, _, err = dockerCmdWithError("exec", "first", "ping", "-c", "1", "second.testnetwork2")
  3352. c.Assert(err, check.NotNil)
  3353. // Start second container and connectivity must be restored on both networks
  3354. dockerCmd(c, "start", "second")
  3355. dockerCmd(c, "exec", "first", "ping", "-c", "1", "second.testnetwork1")
  3356. dockerCmd(c, "exec", "second", "ping", "-c", "1", "first.testnetwork2")
  3357. }
  3358. func (s *DockerSuite) TestContainerWithConflictingHostNetworks(c *check.C) {
  3359. testRequires(c, DaemonIsLinux, NotUserNamespace)
  3360. // Run a container with --net=host
  3361. dockerCmd(c, "run", "-d", "--net=host", "--name=first", "busybox", "top")
  3362. c.Assert(waitRun("first"), check.IsNil)
  3363. // Create a network using bridge driver
  3364. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3365. // Connecting to the user defined network must fail
  3366. _, _, err := dockerCmdWithError("network", "connect", "testnetwork1", "first")
  3367. c.Assert(err, check.NotNil)
  3368. }
  3369. func (s *DockerSuite) TestContainerWithConflictingSharedNetwork(c *check.C) {
  3370. testRequires(c, DaemonIsLinux)
  3371. dockerCmd(c, "run", "-d", "--name=first", "busybox", "top")
  3372. c.Assert(waitRun("first"), check.IsNil)
  3373. // Run second container in first container's network namespace
  3374. dockerCmd(c, "run", "-d", "--net=container:first", "--name=second", "busybox", "top")
  3375. c.Assert(waitRun("second"), check.IsNil)
  3376. // Create a network using bridge driver
  3377. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3378. // Connecting to the user defined network must fail
  3379. out, _, err := dockerCmdWithError("network", "connect", "testnetwork1", "second")
  3380. c.Assert(err, check.NotNil)
  3381. c.Assert(out, checker.Contains, runconfig.ErrConflictSharedNetwork.Error())
  3382. }
  3383. func (s *DockerSuite) TestContainerWithConflictingNoneNetwork(c *check.C) {
  3384. testRequires(c, DaemonIsLinux)
  3385. dockerCmd(c, "run", "-d", "--net=none", "--name=first", "busybox", "top")
  3386. c.Assert(waitRun("first"), check.IsNil)
  3387. // Create a network using bridge driver
  3388. dockerCmd(c, "network", "create", "-d", "bridge", "testnetwork1")
  3389. // Connecting to the user defined network must fail
  3390. out, _, err := dockerCmdWithError("network", "connect", "testnetwork1", "first")
  3391. c.Assert(err, check.NotNil)
  3392. c.Assert(out, checker.Contains, runconfig.ErrConflictNoNetwork.Error())
  3393. // create a container connected to testnetwork1
  3394. dockerCmd(c, "run", "-d", "--net=testnetwork1", "--name=second", "busybox", "top")
  3395. c.Assert(waitRun("second"), check.IsNil)
  3396. // Connect second container to none network. it must fail as well
  3397. _, _, err = dockerCmdWithError("network", "connect", "none", "second")
  3398. c.Assert(err, check.NotNil)
  3399. }
  3400. // #11957 - stdin with no tty does not exit if stdin is not closed even though container exited
  3401. func (s *DockerSuite) TestRunStdinBlockedAfterContainerExit(c *check.C) {
  3402. cmd := exec.Command(dockerBinary, "run", "-i", "--name=test", "busybox", "true")
  3403. in, err := cmd.StdinPipe()
  3404. c.Assert(err, check.IsNil)
  3405. defer in.Close()
  3406. stdout := bytes.NewBuffer(nil)
  3407. cmd.Stdout = stdout
  3408. cmd.Stderr = stdout
  3409. c.Assert(cmd.Start(), check.IsNil)
  3410. waitChan := make(chan error)
  3411. go func() {
  3412. waitChan <- cmd.Wait()
  3413. }()
  3414. select {
  3415. case err := <-waitChan:
  3416. c.Assert(err, check.IsNil, check.Commentf(stdout.String()))
  3417. case <-time.After(30 * time.Second):
  3418. c.Fatal("timeout waiting for command to exit")
  3419. }
  3420. }
  3421. func (s *DockerSuite) TestRunWrongCpusetCpusFlagValue(c *check.C) {
  3422. // TODO Windows: This needs validation (error out) in the daemon.
  3423. testRequires(c, DaemonIsLinux)
  3424. out, exitCode, err := dockerCmdWithError("run", "--cpuset-cpus", "1-10,11--", "busybox", "true")
  3425. c.Assert(err, check.NotNil)
  3426. expected := "Error response from daemon: Invalid value 1-10,11-- for cpuset cpus.\n"
  3427. if !(strings.Contains(out, expected) || exitCode == 125) {
  3428. c.Fatalf("Expected output to contain %q with exitCode 125, got out: %q exitCode: %v", expected, out, exitCode)
  3429. }
  3430. }
  3431. func (s *DockerSuite) TestRunWrongCpusetMemsFlagValue(c *check.C) {
  3432. // TODO Windows: This needs validation (error out) in the daemon.
  3433. testRequires(c, DaemonIsLinux)
  3434. out, exitCode, err := dockerCmdWithError("run", "--cpuset-mems", "1-42--", "busybox", "true")
  3435. c.Assert(err, check.NotNil)
  3436. expected := "Error response from daemon: Invalid value 1-42-- for cpuset mems.\n"
  3437. if !(strings.Contains(out, expected) || exitCode == 125) {
  3438. c.Fatalf("Expected output to contain %q with exitCode 125, got out: %q exitCode: %v", expected, out, exitCode)
  3439. }
  3440. }
  3441. // TestRunNonExecutableCmd checks that 'docker run busybox foo' exits with error code 127'
  3442. func (s *DockerSuite) TestRunNonExecutableCmd(c *check.C) {
  3443. name := "testNonExecutableCmd"
  3444. runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "foo")
  3445. _, exit, _ := runCommandWithOutput(runCmd)
  3446. stateExitCode := findContainerExitCode(c, name)
  3447. if !(exit == 127 && strings.Contains(stateExitCode, "127")) {
  3448. c.Fatalf("Run non-executable command should have errored with exit code 127, but we got exit: %d, State.ExitCode: %s", exit, stateExitCode)
  3449. }
  3450. }
  3451. // TestRunNonExistingCmd checks that 'docker run busybox /bin/foo' exits with code 127.
  3452. func (s *DockerSuite) TestRunNonExistingCmd(c *check.C) {
  3453. name := "testNonExistingCmd"
  3454. runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "/bin/foo")
  3455. _, exit, _ := runCommandWithOutput(runCmd)
  3456. stateExitCode := findContainerExitCode(c, name)
  3457. if !(exit == 127 && strings.Contains(stateExitCode, "127")) {
  3458. c.Fatalf("Run non-existing command should have errored with exit code 127, but we got exit: %d, State.ExitCode: %s", exit, stateExitCode)
  3459. }
  3460. }
  3461. // TestCmdCannotBeInvoked checks that 'docker run busybox /etc' exits with 126, or
  3462. // 127 on Windows. The difference is that in Windows, the container must be started
  3463. // as that's when the check is made (and yes, by it's design...)
  3464. func (s *DockerSuite) TestCmdCannotBeInvoked(c *check.C) {
  3465. expected := 126
  3466. if daemonPlatform == "windows" {
  3467. expected = 127
  3468. }
  3469. name := "testCmdCannotBeInvoked"
  3470. runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "/etc")
  3471. _, exit, _ := runCommandWithOutput(runCmd)
  3472. stateExitCode := findContainerExitCode(c, name)
  3473. if !(exit == expected && strings.Contains(stateExitCode, strconv.Itoa(expected))) {
  3474. c.Fatalf("Run cmd that cannot be invoked should have errored with code %d, but we got exit: %d, State.ExitCode: %s", expected, exit, stateExitCode)
  3475. }
  3476. }
  3477. // TestRunNonExistingImage checks that 'docker run foo' exits with error msg 125 and contains 'Unable to find image'
  3478. func (s *DockerSuite) TestRunNonExistingImage(c *check.C) {
  3479. runCmd := exec.Command(dockerBinary, "run", "foo")
  3480. out, exit, err := runCommandWithOutput(runCmd)
  3481. if !(err != nil && exit == 125 && strings.Contains(out, "Unable to find image")) {
  3482. c.Fatalf("Run non-existing image should have errored with 'Unable to find image' code 125, but we got out: %s, exit: %d, err: %s", out, exit, err)
  3483. }
  3484. }
  3485. // TestDockerFails checks that 'docker run -foo busybox' exits with 125 to signal docker run failed
  3486. func (s *DockerSuite) TestDockerFails(c *check.C) {
  3487. runCmd := exec.Command(dockerBinary, "run", "-foo", "busybox")
  3488. out, exit, err := runCommandWithOutput(runCmd)
  3489. if !(err != nil && exit == 125) {
  3490. c.Fatalf("Docker run with flag not defined should exit with 125, but we got out: %s, exit: %d, err: %s", out, exit, err)
  3491. }
  3492. }
  3493. // TestRunInvalidReference invokes docker run with a bad reference.
  3494. func (s *DockerSuite) TestRunInvalidReference(c *check.C) {
  3495. out, exit, _ := dockerCmdWithError("run", "busybox@foo")
  3496. if exit == 0 {
  3497. c.Fatalf("expected non-zero exist code; received %d", exit)
  3498. }
  3499. if !strings.Contains(out, "Error parsing reference") {
  3500. c.Fatalf(`Expected "Error parsing reference" in output; got: %s`, out)
  3501. }
  3502. }
  3503. // Test fix for issue #17854
  3504. func (s *DockerSuite) TestRunInitLayerPathOwnership(c *check.C) {
  3505. // Not applicable on Windows as it does not support Linux uid/gid ownership
  3506. testRequires(c, DaemonIsLinux)
  3507. name := "testetcfileownership"
  3508. _, err := buildImage(name,
  3509. `FROM busybox
  3510. RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
  3511. RUN echo 'dockerio:x:1001:' >> /etc/group
  3512. RUN chown dockerio:dockerio /etc`,
  3513. true)
  3514. if err != nil {
  3515. c.Fatal(err)
  3516. }
  3517. // Test that dockerio ownership of /etc is retained at runtime
  3518. out, _ := dockerCmd(c, "run", "--rm", name, "stat", "-c", "%U:%G", "/etc")
  3519. out = strings.TrimSpace(out)
  3520. if out != "dockerio:dockerio" {
  3521. c.Fatalf("Wrong /etc ownership: expected dockerio:dockerio, got %q", out)
  3522. }
  3523. }
  3524. func (s *DockerSuite) TestRunWithOomScoreAdj(c *check.C) {
  3525. testRequires(c, DaemonIsLinux)
  3526. expected := "642"
  3527. out, _ := dockerCmd(c, "run", "--oom-score-adj", expected, "busybox", "cat", "/proc/self/oom_score_adj")
  3528. oomScoreAdj := strings.TrimSpace(out)
  3529. if oomScoreAdj != "642" {
  3530. c.Fatalf("Expected oom_score_adj set to %q, got %q instead", expected, oomScoreAdj)
  3531. }
  3532. }
  3533. func (s *DockerSuite) TestRunWithOomScoreAdjInvalidRange(c *check.C) {
  3534. testRequires(c, DaemonIsLinux)
  3535. out, _, err := dockerCmdWithError("run", "--oom-score-adj", "1001", "busybox", "true")
  3536. c.Assert(err, check.NotNil)
  3537. expected := "Invalid value 1001, range for oom score adj is [-1000, 1000]."
  3538. if !strings.Contains(out, expected) {
  3539. c.Fatalf("Expected output to contain %q, got %q instead", expected, out)
  3540. }
  3541. out, _, err = dockerCmdWithError("run", "--oom-score-adj", "-1001", "busybox", "true")
  3542. c.Assert(err, check.NotNil)
  3543. expected = "Invalid value -1001, range for oom score adj is [-1000, 1000]."
  3544. if !strings.Contains(out, expected) {
  3545. c.Fatalf("Expected output to contain %q, got %q instead", expected, out)
  3546. }
  3547. }
  3548. func (s *DockerSuite) TestRunVolumesMountedAsShared(c *check.C) {
  3549. // Volume propagation is linux only. Also it creates directories for
  3550. // bind mounting, so needs to be same host.
  3551. testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace)
  3552. // Prepare a source directory to bind mount
  3553. tmpDir, err := ioutil.TempDir("", "volume-source")
  3554. if err != nil {
  3555. c.Fatal(err)
  3556. }
  3557. defer os.RemoveAll(tmpDir)
  3558. if err := os.Mkdir(path.Join(tmpDir, "mnt1"), 0755); err != nil {
  3559. c.Fatal(err)
  3560. }
  3561. // Convert this directory into a shared mount point so that we do
  3562. // not rely on propagation properties of parent mount.
  3563. cmd := exec.Command("mount", "--bind", tmpDir, tmpDir)
  3564. if _, err = runCommand(cmd); err != nil {
  3565. c.Fatal(err)
  3566. }
  3567. cmd = exec.Command("mount", "--make-private", "--make-shared", tmpDir)
  3568. if _, err = runCommand(cmd); err != nil {
  3569. c.Fatal(err)
  3570. }
  3571. dockerCmd(c, "run", "--privileged", "-v", fmt.Sprintf("%s:/volume-dest:shared", tmpDir), "busybox", "mount", "--bind", "/volume-dest/mnt1", "/volume-dest/mnt1")
  3572. // Make sure a bind mount under a shared volume propagated to host.
  3573. if mounted, _ := mount.Mounted(path.Join(tmpDir, "mnt1")); !mounted {
  3574. c.Fatalf("Bind mount under shared volume did not propagate to host")
  3575. }
  3576. mount.Unmount(path.Join(tmpDir, "mnt1"))
  3577. }
  3578. func (s *DockerSuite) TestRunVolumesMountedAsSlave(c *check.C) {
  3579. // Volume propagation is linux only. Also it creates directories for
  3580. // bind mounting, so needs to be same host.
  3581. testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace)
  3582. // Prepare a source directory to bind mount
  3583. tmpDir, err := ioutil.TempDir("", "volume-source")
  3584. if err != nil {
  3585. c.Fatal(err)
  3586. }
  3587. defer os.RemoveAll(tmpDir)
  3588. if err := os.Mkdir(path.Join(tmpDir, "mnt1"), 0755); err != nil {
  3589. c.Fatal(err)
  3590. }
  3591. // Prepare a source directory with file in it. We will bind mount this
  3592. // direcotry and see if file shows up.
  3593. tmpDir2, err := ioutil.TempDir("", "volume-source2")
  3594. if err != nil {
  3595. c.Fatal(err)
  3596. }
  3597. defer os.RemoveAll(tmpDir2)
  3598. if err := ioutil.WriteFile(path.Join(tmpDir2, "slave-testfile"), []byte("Test"), 0644); err != nil {
  3599. c.Fatal(err)
  3600. }
  3601. // Convert this directory into a shared mount point so that we do
  3602. // not rely on propagation properties of parent mount.
  3603. cmd := exec.Command("mount", "--bind", tmpDir, tmpDir)
  3604. if _, err = runCommand(cmd); err != nil {
  3605. c.Fatal(err)
  3606. }
  3607. cmd = exec.Command("mount", "--make-private", "--make-shared", tmpDir)
  3608. if _, err = runCommand(cmd); err != nil {
  3609. c.Fatal(err)
  3610. }
  3611. dockerCmd(c, "run", "-i", "-d", "--name", "parent", "-v", fmt.Sprintf("%s:/volume-dest:slave", tmpDir), "busybox", "top")
  3612. // Bind mount tmpDir2/ onto tmpDir/mnt1. If mount propagates inside
  3613. // container then contents of tmpDir2/slave-testfile should become
  3614. // visible at "/volume-dest/mnt1/slave-testfile"
  3615. cmd = exec.Command("mount", "--bind", tmpDir2, path.Join(tmpDir, "mnt1"))
  3616. if _, err = runCommand(cmd); err != nil {
  3617. c.Fatal(err)
  3618. }
  3619. out, _ := dockerCmd(c, "exec", "parent", "cat", "/volume-dest/mnt1/slave-testfile")
  3620. mount.Unmount(path.Join(tmpDir, "mnt1"))
  3621. if out != "Test" {
  3622. c.Fatalf("Bind mount under slave volume did not propagate to container")
  3623. }
  3624. }
  3625. func (s *DockerSuite) TestRunNamedVolumesMountedAsShared(c *check.C) {
  3626. testRequires(c, DaemonIsLinux, NotUserNamespace)
  3627. out, exitcode, _ := dockerCmdWithError("run", "-v", "foo:/test:shared", "busybox", "touch", "/test/somefile")
  3628. if exitcode == 0 {
  3629. c.Fatalf("expected non-zero exit code; received %d", exitcode)
  3630. }
  3631. if expected := "Invalid volume specification"; !strings.Contains(out, expected) {
  3632. c.Fatalf(`Expected %q in output; got: %s`, expected, out)
  3633. }
  3634. }
  3635. func (s *DockerSuite) TestRunNamedVolumeCopyImageData(c *check.C) {
  3636. testRequires(c, DaemonIsLinux)
  3637. testImg := "testvolumecopy"
  3638. _, err := buildImage(testImg, `
  3639. FROM busybox
  3640. RUN mkdir -p /foo && echo hello > /foo/hello
  3641. `, true)
  3642. c.Assert(err, check.IsNil)
  3643. dockerCmd(c, "run", "-v", "foo:/foo", testImg)
  3644. out, _ := dockerCmd(c, "run", "-v", "foo:/foo", "busybox", "cat", "/foo/hello")
  3645. c.Assert(strings.TrimSpace(out), check.Equals, "hello")
  3646. }
  3647. func (s *DockerSuite) TestRunNamedVolumeNotRemoved(c *check.C) {
  3648. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  3649. dockerCmd(c, "volume", "create", "--name", "test")
  3650. dockerCmd(c, "run", "--rm", "-v", "test:"+prefix+"/foo", "-v", prefix+"/bar", "busybox", "true")
  3651. dockerCmd(c, "volume", "inspect", "test")
  3652. out, _ := dockerCmd(c, "volume", "ls", "-q")
  3653. c.Assert(strings.TrimSpace(out), checker.Equals, "test")
  3654. dockerCmd(c, "run", "--name=test", "-v", "test:"+prefix+"/foo", "-v", prefix+"/bar", "busybox", "true")
  3655. dockerCmd(c, "rm", "-fv", "test")
  3656. dockerCmd(c, "volume", "inspect", "test")
  3657. out, _ = dockerCmd(c, "volume", "ls", "-q")
  3658. c.Assert(strings.TrimSpace(out), checker.Equals, "test")
  3659. }
  3660. func (s *DockerSuite) TestRunNamedVolumesFromNotRemoved(c *check.C) {
  3661. prefix, _ := getPrefixAndSlashFromDaemonPlatform()
  3662. dockerCmd(c, "volume", "create", "--name", "test")
  3663. dockerCmd(c, "run", "--name=parent", "-v", "test:"+prefix+"/foo", "-v", prefix+"/bar", "busybox", "true")
  3664. dockerCmd(c, "run", "--name=child", "--volumes-from=parent", "busybox", "true")
  3665. // Remove the parent so there are not other references to the volumes
  3666. dockerCmd(c, "rm", "-f", "parent")
  3667. // now remove the child and ensure the named volume (and only the named volume) still exists
  3668. dockerCmd(c, "rm", "-fv", "child")
  3669. dockerCmd(c, "volume", "inspect", "test")
  3670. out, _ := dockerCmd(c, "volume", "ls", "-q")
  3671. c.Assert(strings.TrimSpace(out), checker.Equals, "test")
  3672. }
  3673. func (s *DockerSuite) TestRunAttachFailedNoLeak(c *check.C) {
  3674. nroutines, err := getGoroutineNumber()
  3675. c.Assert(err, checker.IsNil)
  3676. runSleepingContainer(c, "--name=test", "-p", "8000:8000")
  3677. // Wait until container is fully up and running
  3678. c.Assert(waitRun("test"), check.IsNil)
  3679. out, _, err := dockerCmdWithError("run", "--name=fail", "-p", "8000:8000", "busybox", "true")
  3680. // We will need the following `inspect` to diagnose the issue if test fails (#21247)
  3681. out1, err1 := dockerCmd(c, "inspect", "--format", "{{json .State}}", "test")
  3682. out2, err2 := dockerCmd(c, "inspect", "--format", "{{json .State}}", "fail")
  3683. c.Assert(err, checker.NotNil, check.Commentf("Command should have failed but succeeded with: %s\nContainer 'test' [%+v]: %s\nContainer 'fail' [%+v]: %s", out, err1, out1, err2, out2))
  3684. // check for windows error as well
  3685. // TODO Windows Post TP5. Fix the error message string
  3686. c.Assert(strings.Contains(string(out), "port is already allocated") ||
  3687. strings.Contains(string(out), "were not connected because a duplicate name exists") ||
  3688. strings.Contains(string(out), "HNS failed with error : Failed to create endpoint") ||
  3689. strings.Contains(string(out), "HNS failed with error : The object already exists"), checker.Equals, true, check.Commentf("Output: %s", out))
  3690. dockerCmd(c, "rm", "-f", "test")
  3691. // NGoroutines is not updated right away, so we need to wait before failing
  3692. c.Assert(waitForGoroutines(nroutines), checker.IsNil)
  3693. }
  3694. // Test for one character directory name case (#20122)
  3695. func (s *DockerSuite) TestRunVolumeWithOneCharacter(c *check.C) {
  3696. testRequires(c, DaemonIsLinux)
  3697. out, _ := dockerCmd(c, "run", "-v", "/tmp/q:/foo", "busybox", "sh", "-c", "find /foo")
  3698. c.Assert(strings.TrimSpace(out), checker.Equals, "/foo")
  3699. }
  3700. func (s *DockerSuite) TestRunVolumeCopyFlag(c *check.C) {
  3701. testRequires(c, DaemonIsLinux) // Windows does not support copying data from image to the volume
  3702. _, err := buildImage("volumecopy",
  3703. `FROM busybox
  3704. RUN mkdir /foo && echo hello > /foo/bar
  3705. CMD cat /foo/bar`,
  3706. true,
  3707. )
  3708. c.Assert(err, checker.IsNil)
  3709. dockerCmd(c, "volume", "create", "--name=test")
  3710. // test with the nocopy flag
  3711. out, _, err := dockerCmdWithError("run", "-v", "test:/foo:nocopy", "volumecopy")
  3712. c.Assert(err, checker.NotNil, check.Commentf(out))
  3713. // test default behavior which is to copy for non-binds
  3714. out, _ = dockerCmd(c, "run", "-v", "test:/foo", "volumecopy")
  3715. c.Assert(strings.TrimSpace(out), checker.Equals, "hello")
  3716. // error out when the volume is already populated
  3717. out, _, err = dockerCmdWithError("run", "-v", "test:/foo:copy", "volumecopy")
  3718. c.Assert(err, checker.NotNil, check.Commentf(out))
  3719. // do not error out when copy isn't explicitly set even though it's already populated
  3720. out, _ = dockerCmd(c, "run", "-v", "test:/foo", "volumecopy")
  3721. c.Assert(strings.TrimSpace(out), checker.Equals, "hello")
  3722. // do not allow copy modes on volumes-from
  3723. dockerCmd(c, "run", "--name=test", "-v", "/foo", "busybox", "true")
  3724. out, _, err = dockerCmdWithError("run", "--volumes-from=test:copy", "busybox", "true")
  3725. c.Assert(err, checker.NotNil, check.Commentf(out))
  3726. out, _, err = dockerCmdWithError("run", "--volumes-from=test:nocopy", "busybox", "true")
  3727. c.Assert(err, checker.NotNil, check.Commentf(out))
  3728. // do not allow copy modes on binds
  3729. out, _, err = dockerCmdWithError("run", "-v", "/foo:/bar:copy", "busybox", "true")
  3730. c.Assert(err, checker.NotNil, check.Commentf(out))
  3731. out, _, err = dockerCmdWithError("run", "-v", "/foo:/bar:nocopy", "busybox", "true")
  3732. c.Assert(err, checker.NotNil, check.Commentf(out))
  3733. }
  3734. func (s *DockerSuite) TestRunTooLongHostname(c *check.C) {
  3735. // Test case in #21445
  3736. hostname1 := "this-is-a-way-too-long-hostname-but-it-should-give-a-nice-error.local"
  3737. out, _, err := dockerCmdWithError("run", "--hostname", hostname1, "busybox", "echo", "test")
  3738. c.Assert(err, checker.NotNil, check.Commentf("Expected docker run to fail!"))
  3739. c.Assert(out, checker.Contains, "invalid hostname format:", check.Commentf("Expected to have 'invalid hostname format:' in the output, get: %s!", out))
  3740. // Additional test cases
  3741. validHostnames := map[string]string{
  3742. "hostname": "hostname",
  3743. "host-name": "host-name",
  3744. "hostname123": "hostname123",
  3745. "123hostname": "123hostname",
  3746. "hostname-of-63-bytes-long-should-be-valid-and-without-any-error": "hostname-of-63-bytes-long-should-be-valid-and-without-any-error",
  3747. }
  3748. for hostname := range validHostnames {
  3749. dockerCmd(c, "run", "--hostname", hostname, "busybox", "echo", "test")
  3750. }
  3751. invalidHostnames := map[string]string{
  3752. "^hostname": "invalid hostname format: ^hostname",
  3753. "hostname%": "invalid hostname format: hostname%",
  3754. "host&name": "invalid hostname format: host&name",
  3755. "-hostname": "invalid hostname format: -hostname",
  3756. "host_name": "invalid hostname format: host_name",
  3757. "hostname-of-64-bytes-long-should-be-invalid-and-be-with-an-error": "invalid hostname format: hostname-of-64-bytes-long-should-be-invalid-and-be-with-an-error",
  3758. }
  3759. for hostname, expectedError := range invalidHostnames {
  3760. out, _, err = dockerCmdWithError("run", "--hostname", hostname, "busybox", "echo", "test")
  3761. c.Assert(err, checker.NotNil, check.Commentf("Expected docker run to fail!"))
  3762. c.Assert(out, checker.Contains, expectedError, check.Commentf("Expected to have '%s' in the output, get: %s!", expectedError, out))
  3763. }
  3764. }
  3765. // Test case for #21976
  3766. func (s *DockerSuite) TestRunDNSInHostMode(c *check.C) {
  3767. testRequires(c, DaemonIsLinux, NotUserNamespace)
  3768. expectedOutput := "nameserver 127.0.0.1"
  3769. expectedWarning := "Localhost DNS setting"
  3770. out, stderr, _ := dockerCmdWithStdoutStderr(c, "run", "--dns=127.0.0.1", "--net=host", "busybox", "cat", "/etc/resolv.conf")
  3771. c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out))
  3772. c.Assert(stderr, checker.Contains, expectedWarning, check.Commentf("Expected warning on stderr about localhost resolver, but got %q", stderr))
  3773. expectedOutput = "nameserver 1.2.3.4"
  3774. out, _ = dockerCmd(c, "run", "--dns=1.2.3.4", "--net=host", "busybox", "cat", "/etc/resolv.conf")
  3775. c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out))
  3776. expectedOutput = "search example.com"
  3777. out, _ = dockerCmd(c, "run", "--dns-search=example.com", "--net=host", "busybox", "cat", "/etc/resolv.conf")
  3778. c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out))
  3779. expectedOutput = "options timeout:3"
  3780. out, _ = dockerCmd(c, "run", "--dns-opt=timeout:3", "--net=host", "busybox", "cat", "/etc/resolv.conf")
  3781. c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out))
  3782. expectedOutput1 := "nameserver 1.2.3.4"
  3783. expectedOutput2 := "search example.com"
  3784. expectedOutput3 := "options timeout:3"
  3785. out, _ = dockerCmd(c, "run", "--dns=1.2.3.4", "--dns-search=example.com", "--dns-opt=timeout:3", "--net=host", "busybox", "cat", "/etc/resolv.conf")
  3786. c.Assert(out, checker.Contains, expectedOutput1, check.Commentf("Expected '%s', but got %q", expectedOutput1, out))
  3787. c.Assert(out, checker.Contains, expectedOutput2, check.Commentf("Expected '%s', but got %q", expectedOutput2, out))
  3788. c.Assert(out, checker.Contains, expectedOutput3, check.Commentf("Expected '%s', but got %q", expectedOutput3, out))
  3789. }
  3790. // Test case for #21976
  3791. func (s *DockerSuite) TestRunAddHostInHostMode(c *check.C) {
  3792. testRequires(c, DaemonIsLinux, NotUserNamespace)
  3793. expectedOutput := "1.2.3.4\textra"
  3794. out, _ := dockerCmd(c, "run", "--add-host=extra:1.2.3.4", "--net=host", "busybox", "cat", "/etc/hosts")
  3795. c.Assert(out, checker.Contains, expectedOutput, check.Commentf("Expected '%s', but got %q", expectedOutput, out))
  3796. }