docker_cli_run_test.go 102 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. "sort"
  15. "strconv"
  16. "strings"
  17. "sync"
  18. "time"
  19. "github.com/docker/docker/nat"
  20. "github.com/docker/docker/pkg/resolvconf"
  21. "github.com/go-check/check"
  22. )
  23. // "test123" should be printed by docker run
  24. func (s *DockerSuite) TestRunEchoStdout(c *check.C) {
  25. runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123")
  26. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  27. if err != nil {
  28. c.Fatalf("failed to run container: %v, output: %q", err, out)
  29. }
  30. if out != "test123\n" {
  31. c.Fatalf("container should've printed 'test123'")
  32. }
  33. }
  34. // "test" should be printed
  35. func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) {
  36. runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test")
  37. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  38. if err != nil {
  39. c.Fatalf("failed to run container: %v, output: %q", err, out)
  40. }
  41. out = strings.Trim(out, "\r\n")
  42. if expected := "test"; out != expected {
  43. c.Fatalf("container should've printed %q but printed %q", expected, out)
  44. }
  45. }
  46. // should run without memory swap
  47. func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) {
  48. runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")
  49. out, _, err := runCommandWithOutput(runCmd)
  50. if err != nil {
  51. c.Fatalf("failed to run container, output: %q", out)
  52. }
  53. }
  54. // "test" should be printed
  55. func (s *DockerSuite) TestRunEchoStdoutWitCPULimit(c *check.C) {
  56. runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test")
  57. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  58. if err != nil {
  59. c.Fatalf("failed to run container: %v, output: %q", err, out)
  60. }
  61. if out != "test\n" {
  62. c.Errorf("container should've printed 'test'")
  63. }
  64. }
  65. // "test" should be printed
  66. func (s *DockerSuite) TestRunEchoStdoutWithCPUAndMemoryLimit(c *check.C) {
  67. runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test")
  68. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  69. if err != nil {
  70. c.Fatalf("failed to run container: %v, output: %q", err, out)
  71. }
  72. if out != "test\n" {
  73. c.Errorf("container should've printed 'test', got %q instead", out)
  74. }
  75. }
  76. // "test" should be printed
  77. func (s *DockerSuite) TestRunEchoStdoutWithCPUQuota(c *check.C) {
  78. runCmd := exec.Command(dockerBinary, "run", "--cpu-quota", "8000", "--name", "test", "busybox", "echo", "test")
  79. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  80. if err != nil {
  81. c.Fatalf("failed to run container: %v, output: %q", err, out)
  82. }
  83. out = strings.TrimSpace(out)
  84. if strings.Contains(out, "Your kernel does not support CPU cfs quota") {
  85. c.Skip("Your kernel does not support CPU cfs quota, skip this test")
  86. }
  87. if out != "test" {
  88. c.Errorf("container should've printed 'test'")
  89. }
  90. out, err = inspectField("test", "HostConfig.CpuQuota")
  91. c.Assert(err, check.IsNil)
  92. if out != "8000" {
  93. c.Errorf("setting the CPU CFS quota failed")
  94. }
  95. }
  96. // "test" should be printed
  97. func (s *DockerSuite) TestRunEchoNamedContainer(c *check.C) {
  98. runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
  99. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  100. if err != nil {
  101. c.Fatalf("failed to run container: %v, output: %q", err, out)
  102. }
  103. if out != "test\n" {
  104. c.Errorf("container should've printed 'test'")
  105. }
  106. if err := deleteContainer("testfoonamedcontainer"); err != nil {
  107. c.Errorf("failed to remove the named container: %v", err)
  108. }
  109. }
  110. // docker run should not leak file descriptors
  111. func (s *DockerSuite) TestRunLeakyFileDescriptors(c *check.C) {
  112. runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd")
  113. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  114. if err != nil {
  115. c.Fatalf("failed to run container: %v, output: %q", err, out)
  116. }
  117. // normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
  118. if out != "0 1 2 3\n" {
  119. c.Errorf("container should've printed '0 1 2 3', not: %s", out)
  120. }
  121. }
  122. // it should be possible to lookup Google DNS
  123. // this will fail when Internet access is unavailable
  124. func (s *DockerSuite) TestRunLookupGoogleDns(c *check.C) {
  125. testRequires(c, Network)
  126. out, _, _, err := runCommandWithStdoutStderr(exec.Command(dockerBinary, "run", "busybox", "nslookup", "google.com"))
  127. if err != nil {
  128. c.Fatalf("failed to run container: %v, output: %q", err, out)
  129. }
  130. }
  131. // the exit code should be 0
  132. // some versions of lxc might make this test fail
  133. func (s *DockerSuite) TestRunExitCodeZero(c *check.C) {
  134. runCmd := exec.Command(dockerBinary, "run", "busybox", "true")
  135. if out, _, err := runCommandWithOutput(runCmd); err != nil {
  136. c.Errorf("container should've exited with exit code 0: %s, %v", out, err)
  137. }
  138. }
  139. // the exit code should be 1
  140. // some versions of lxc might make this test fail
  141. func (s *DockerSuite) TestRunExitCodeOne(c *check.C) {
  142. runCmd := exec.Command(dockerBinary, "run", "busybox", "false")
  143. exitCode, err := runCommand(runCmd)
  144. if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
  145. c.Fatal(err)
  146. }
  147. if exitCode != 1 {
  148. c.Errorf("container should've exited with exit code 1")
  149. }
  150. }
  151. // it should be possible to pipe in data via stdin to a process running in a container
  152. // some versions of lxc might make this test fail
  153. func (s *DockerSuite) TestRunStdinPipe(c *check.C) {
  154. runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`)
  155. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  156. if err != nil {
  157. c.Fatalf("failed to run container: %v, output: %q", err, out)
  158. }
  159. out = strings.TrimSpace(out)
  160. waitCmd := exec.Command(dockerBinary, "wait", out)
  161. if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
  162. c.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
  163. }
  164. logsCmd := exec.Command(dockerBinary, "logs", out)
  165. logsOut, _, err := runCommandWithOutput(logsCmd)
  166. if err != nil {
  167. c.Fatalf("error thrown while trying to get container logs: %s, %v", logsOut, err)
  168. }
  169. containerLogs := strings.TrimSpace(logsOut)
  170. if containerLogs != "blahblah" {
  171. c.Errorf("logs didn't print the container's logs %s", containerLogs)
  172. }
  173. rmCmd := exec.Command(dockerBinary, "rm", out)
  174. if out, _, err = runCommandWithOutput(rmCmd); err != nil {
  175. c.Fatalf("rm failed to remove container: %s, %v", out, err)
  176. }
  177. }
  178. // the container's ID should be printed when starting a container in detached mode
  179. func (s *DockerSuite) TestRunDetachedContainerIDPrinting(c *check.C) {
  180. runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
  181. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  182. if err != nil {
  183. c.Fatalf("failed to run container: %v, output: %q", err, out)
  184. }
  185. out = strings.TrimSpace(out)
  186. waitCmd := exec.Command(dockerBinary, "wait", out)
  187. if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil {
  188. c.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err)
  189. }
  190. rmCmd := exec.Command(dockerBinary, "rm", out)
  191. rmOut, _, err := runCommandWithOutput(rmCmd)
  192. if err != nil {
  193. c.Fatalf("rm failed to remove container: %s, %v", rmOut, err)
  194. }
  195. rmOut = strings.TrimSpace(rmOut)
  196. if rmOut != out {
  197. c.Errorf("rm didn't print the container ID %s %s", out, rmOut)
  198. }
  199. }
  200. // the working directory should be set correctly
  201. func (s *DockerSuite) TestRunWorkingDirectory(c *check.C) {
  202. runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd")
  203. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  204. if err != nil {
  205. c.Fatalf("failed to run container: %v, output: %q", err, out)
  206. }
  207. out = strings.TrimSpace(out)
  208. if out != "/root" {
  209. c.Errorf("-w failed to set working directory")
  210. }
  211. runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd")
  212. out, _, _, err = runCommandWithStdoutStderr(runCmd)
  213. if err != nil {
  214. c.Fatal(out, err)
  215. }
  216. out = strings.TrimSpace(out)
  217. if out != "/root" {
  218. c.Errorf("--workdir failed to set working directory")
  219. }
  220. }
  221. // pinging Google's DNS resolver should fail when we disable the networking
  222. func (s *DockerSuite) TestRunWithoutNetworking(c *check.C) {
  223. runCmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8")
  224. out, _, exitCode, err := runCommandWithStdoutStderr(runCmd)
  225. if err != nil && exitCode != 1 {
  226. c.Fatal(out, err)
  227. }
  228. if exitCode != 1 {
  229. c.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
  230. }
  231. runCmd = exec.Command(dockerBinary, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8")
  232. out, _, exitCode, err = runCommandWithStdoutStderr(runCmd)
  233. if err != nil && exitCode != 1 {
  234. c.Fatal(out, err)
  235. }
  236. if exitCode != 1 {
  237. c.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
  238. }
  239. }
  240. //test --link use container name to link target
  241. func (s *DockerSuite) TestRunLinksContainerWithContainerName(c *check.C) {
  242. cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
  243. out, _, _, err := runCommandWithStdoutStderr(cmd)
  244. if err != nil {
  245. c.Fatalf("failed to run container: %v, output: %q", err, out)
  246. }
  247. ip, err := inspectField("parent", "NetworkSettings.IPAddress")
  248. c.Assert(err, check.IsNil)
  249. cmd = exec.Command(dockerBinary, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
  250. out, _, err = runCommandWithOutput(cmd)
  251. if err != nil {
  252. c.Fatalf("failed to run container: %v, output: %q", err, out)
  253. }
  254. if !strings.Contains(out, ip+" test") {
  255. c.Fatalf("use a container name to link target failed")
  256. }
  257. }
  258. //test --link use container id to link target
  259. func (s *DockerSuite) TestRunLinksContainerWithContainerId(c *check.C) {
  260. cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "busybox")
  261. cID, _, _, err := runCommandWithStdoutStderr(cmd)
  262. if err != nil {
  263. c.Fatalf("failed to run container: %v, output: %q", err, cID)
  264. }
  265. cID = strings.TrimSpace(cID)
  266. ip, err := inspectField(cID, "NetworkSettings.IPAddress")
  267. c.Assert(err, check.IsNil)
  268. cmd = exec.Command(dockerBinary, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
  269. out, _, err := runCommandWithOutput(cmd)
  270. if err != nil {
  271. c.Fatalf("failed to run container: %v, output: %q", err, out)
  272. }
  273. if !strings.Contains(out, ip+" test") {
  274. c.Fatalf("use a container id to link target failed")
  275. }
  276. }
  277. func (s *DockerSuite) TestRunLinkToContainerNetMode(c *check.C) {
  278. cmd := exec.Command(dockerBinary, "run", "--name", "test", "-d", "busybox", "top")
  279. out, _, err := runCommandWithOutput(cmd)
  280. if err != nil {
  281. c.Fatalf("failed to run container: %v, output: %q", err, out)
  282. }
  283. cmd = exec.Command(dockerBinary, "run", "--name", "parent", "-d", "--net=container:test", "busybox", "top")
  284. out, _, err = runCommandWithOutput(cmd)
  285. if err != nil {
  286. c.Fatalf("failed to run container: %v, output: %q", err, out)
  287. }
  288. cmd = exec.Command(dockerBinary, "run", "-d", "--link=parent:parent", "busybox", "top")
  289. out, _, err = runCommandWithOutput(cmd)
  290. if err != nil {
  291. c.Fatalf("failed to run container: %v, output: %q", err, out)
  292. }
  293. cmd = exec.Command(dockerBinary, "run", "--name", "child", "-d", "--net=container:parent", "busybox", "top")
  294. out, _, err = runCommandWithOutput(cmd)
  295. if err != nil {
  296. c.Fatalf("failed to run container: %v, output: %q", err, out)
  297. }
  298. cmd = exec.Command(dockerBinary, "run", "-d", "--link=child:child", "busybox", "top")
  299. out, _, err = runCommandWithOutput(cmd)
  300. if err != nil {
  301. c.Fatalf("failed to run container: %v, output: %q", err, out)
  302. }
  303. }
  304. func (s *DockerSuite) TestRunContainerNetModeWithDnsMacHosts(c *check.C) {
  305. cmd := exec.Command(dockerBinary, "run", "-d", "--name", "parent", "busybox", "top")
  306. out, _, err := runCommandWithOutput(cmd)
  307. if err != nil {
  308. c.Fatalf("failed to run container: %v, output: %q", err, out)
  309. }
  310. cmd = exec.Command(dockerBinary, "run", "--dns", "1.2.3.4", "--net=container:parent", "busybox")
  311. out, _, err = runCommandWithOutput(cmd)
  312. if err == nil || !strings.Contains(out, "Conflicting options: --dns and the network mode") {
  313. c.Fatalf("run --net=container with --dns should error out")
  314. }
  315. cmd = exec.Command(dockerBinary, "run", "--mac-address", "92:d0:c6:0a:29:33", "--net=container:parent", "busybox")
  316. out, _, err = runCommandWithOutput(cmd)
  317. if err == nil || !strings.Contains(out, "--mac-address and the network mode") {
  318. c.Fatalf("run --net=container with --mac-address should error out")
  319. }
  320. cmd = exec.Command(dockerBinary, "run", "--add-host", "test:192.168.2.109", "--net=container:parent", "busybox")
  321. out, _, err = runCommandWithOutput(cmd)
  322. if err == nil || !strings.Contains(out, "--add-host and the network mode") {
  323. c.Fatalf("run --net=container with --add-host should error out")
  324. }
  325. }
  326. func (s *DockerSuite) TestRunModeNetContainerHostname(c *check.C) {
  327. testRequires(c, ExecSupport)
  328. cmd := exec.Command(dockerBinary, "run", "-i", "-d", "--name", "parent", "busybox", "top")
  329. out, _, err := runCommandWithOutput(cmd)
  330. if err != nil {
  331. c.Fatalf("failed to run container: %v, output: %q", err, out)
  332. }
  333. cmd = exec.Command(dockerBinary, "exec", "parent", "cat", "/etc/hostname")
  334. out, _, err = runCommandWithOutput(cmd)
  335. if err != nil {
  336. c.Fatalf("failed to exec command: %v, output: %q", err, out)
  337. }
  338. cmd = exec.Command(dockerBinary, "run", "--net=container:parent", "busybox", "cat", "/etc/hostname")
  339. out1, _, err := runCommandWithOutput(cmd)
  340. if err != nil {
  341. c.Fatalf("failed to run container: %v, output: %q", err, out1)
  342. }
  343. if out1 != out {
  344. c.Fatal("containers with shared net namespace should have same hostname")
  345. }
  346. }
  347. // Regression test for #4741
  348. func (s *DockerSuite) TestRunWithVolumesAsFiles(c *check.C) {
  349. runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/etc/hosts:/target-file", "busybox", "true")
  350. out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
  351. if err != nil && exitCode != 0 {
  352. c.Fatal("1", out, stderr, err)
  353. }
  354. runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/target-file")
  355. out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
  356. if err != nil && exitCode != 0 {
  357. c.Fatal("2", out, stderr, err)
  358. }
  359. }
  360. // Regression test for #4979
  361. func (s *DockerSuite) TestRunWithVolumesFromExited(c *check.C) {
  362. runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
  363. out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
  364. if err != nil && exitCode != 0 {
  365. c.Fatal("1", out, stderr, err)
  366. }
  367. runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
  368. out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd)
  369. if err != nil && exitCode != 0 {
  370. c.Fatal("2", out, stderr, err)
  371. }
  372. }
  373. // Volume path is a symlink which also exists on the host, and the host side is a file not a dir
  374. // But the volume call is just a normal volume, not a bind mount
  375. func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir(c *check.C) {
  376. testRequires(c, SameHostDaemon)
  377. testRequires(c, NativeExecDriver)
  378. name := "test-volume-symlink"
  379. dir, err := ioutil.TempDir("", name)
  380. if err != nil {
  381. c.Fatal(err)
  382. }
  383. defer os.RemoveAll(dir)
  384. f, err := os.OpenFile(filepath.Join(dir, "test"), os.O_CREATE, 0700)
  385. if err != nil {
  386. c.Fatal(err)
  387. }
  388. f.Close()
  389. dockerFile := fmt.Sprintf("FROM busybox\nRUN mkdir -p %s\nRUN ln -s %s /test", dir, dir)
  390. if _, err := buildImage(name, dockerFile, false); err != nil {
  391. c.Fatal(err)
  392. }
  393. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-v", "/test/test", name))
  394. if err != nil {
  395. c.Fatalf("Failed with errors: %s, %v", out, err)
  396. }
  397. }
  398. // Regression test for #4830
  399. func (s *DockerSuite) TestRunWithRelativePath(c *check.C) {
  400. runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true")
  401. if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil {
  402. c.Fatalf("relative path should result in an error")
  403. }
  404. }
  405. func (s *DockerSuite) TestRunVolumesMountedAsReadonly(c *check.C) {
  406. cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile")
  407. if code, err := runCommand(cmd); err == nil || code == 0 {
  408. c.Fatalf("run should fail because volume is ro: exit code %d", code)
  409. }
  410. }
  411. func (s *DockerSuite) TestRunVolumesFromInReadonlyMode(c *check.C) {
  412. cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
  413. if _, err := runCommand(cmd); err != nil {
  414. c.Fatal(err)
  415. }
  416. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file")
  417. if code, err := runCommand(cmd); err == nil || code == 0 {
  418. c.Fatalf("run should fail because volume is ro: exit code %d", code)
  419. }
  420. }
  421. // Regression test for #1201
  422. func (s *DockerSuite) TestRunVolumesFromInReadWriteMode(c *check.C) {
  423. cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true")
  424. if _, err := runCommand(cmd); err != nil {
  425. c.Fatal(err)
  426. }
  427. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
  428. if out, _, err := runCommandWithOutput(cmd); err != nil {
  429. c.Fatalf("running --volumes-from parent:rw failed with output: %q\nerror: %v", out, err)
  430. }
  431. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:bar", "busybox", "touch", "/test/file")
  432. if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "invalid mode for volumes-from: bar") {
  433. c.Fatalf("running --volumes-from foo:bar should have failed with invalid mount mode: %q", out)
  434. }
  435. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file")
  436. if out, _, err := runCommandWithOutput(cmd); err != nil {
  437. c.Fatalf("running --volumes-from parent failed with output: %q\nerror: %v", out, err)
  438. }
  439. }
  440. func (s *DockerSuite) TestVolumesFromGetsProperMode(c *check.C) {
  441. cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true")
  442. if _, err := runCommand(cmd); err != nil {
  443. c.Fatal(err)
  444. }
  445. // Expect this "rw" mode to be be ignored since the inherited volume is "ro"
  446. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
  447. if _, err := runCommand(cmd); err == nil {
  448. c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
  449. }
  450. cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/test:/test:ro", "busybox", "true")
  451. if _, err := runCommand(cmd); err != nil {
  452. c.Fatal(err)
  453. }
  454. // Expect this to be read-only since both are "ro"
  455. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent2:ro", "busybox", "touch", "/test/file")
  456. if _, err := runCommand(cmd); err == nil {
  457. c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
  458. }
  459. }
  460. // Test for GH#10618
  461. func (s *DockerSuite) TestRunNoDupVolumes(c *check.C) {
  462. mountstr1 := randomUnixTmpDirPath("test1") + ":/someplace"
  463. mountstr2 := randomUnixTmpDirPath("test2") + ":/someplace"
  464. cmd := exec.Command(dockerBinary, "run", "-v", mountstr1, "-v", mountstr2, "busybox", "true")
  465. if out, _, err := runCommandWithOutput(cmd); err == nil {
  466. c.Fatal("Expected error about duplicate volume definitions")
  467. } else {
  468. if !strings.Contains(out, "Duplicate volume") {
  469. c.Fatalf("Expected 'duplicate volume' error, got %v", err)
  470. }
  471. }
  472. }
  473. // Test for #1351
  474. func (s *DockerSuite) TestRunApplyVolumesFromBeforeVolumes(c *check.C) {
  475. cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo")
  476. if _, err := runCommand(cmd); err != nil {
  477. c.Fatal(err)
  478. }
  479. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo")
  480. if out, _, err := runCommandWithOutput(cmd); err != nil {
  481. c.Fatal(out, err)
  482. }
  483. }
  484. func (s *DockerSuite) TestRunMultipleVolumesFrom(c *check.C) {
  485. cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo")
  486. if _, err := runCommand(cmd); err != nil {
  487. c.Fatal(err)
  488. }
  489. cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar")
  490. if _, err := runCommand(cmd); err != nil {
  491. c.Fatal(err)
  492. }
  493. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent1", "--volumes-from", "parent2",
  494. "busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
  495. if _, err := runCommand(cmd); err != nil {
  496. c.Fatal(err)
  497. }
  498. }
  499. // this tests verifies the ID format for the container
  500. func (s *DockerSuite) TestRunVerifyContainerID(c *check.C) {
  501. cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
  502. out, exit, err := runCommandWithOutput(cmd)
  503. if err != nil {
  504. c.Fatal(err)
  505. }
  506. if exit != 0 {
  507. c.Fatalf("expected exit code 0 received %d", exit)
  508. }
  509. match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
  510. if err != nil {
  511. c.Fatal(err)
  512. }
  513. if !match {
  514. c.Fatalf("Invalid container ID: %s", out)
  515. }
  516. }
  517. // Test that creating a container with a volume doesn't crash. Regression test for #995.
  518. func (s *DockerSuite) TestRunCreateVolume(c *check.C) {
  519. cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true")
  520. if _, err := runCommand(cmd); err != nil {
  521. c.Fatal(err)
  522. }
  523. }
  524. // Test that creating a volume with a symlink in its path works correctly. Test for #5152.
  525. // Note that this bug happens only with symlinks with a target that starts with '/'.
  526. func (s *DockerSuite) TestRunCreateVolumeWithSymlink(c *check.C) {
  527. image := "docker-test-createvolumewithsymlink"
  528. buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-")
  529. buildCmd.Stdin = strings.NewReader(`FROM busybox
  530. RUN ln -s home /bar`)
  531. buildCmd.Dir = workingDirectory
  532. err := buildCmd.Run()
  533. if err != nil {
  534. c.Fatalf("could not build '%s': %v", image, err)
  535. }
  536. cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
  537. exitCode, err := runCommand(cmd)
  538. if err != nil || exitCode != 0 {
  539. c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
  540. }
  541. var volPath string
  542. cmd = exec.Command(dockerBinary, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-createvolumewithsymlink")
  543. volPath, exitCode, err = runCommandWithOutput(cmd)
  544. if err != nil || exitCode != 0 {
  545. c.Fatalf("[inspect] err: %v, exitcode: %d", err, exitCode)
  546. }
  547. cmd = exec.Command(dockerBinary, "rm", "-v", "test-createvolumewithsymlink")
  548. exitCode, err = runCommand(cmd)
  549. if err != nil || exitCode != 0 {
  550. c.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
  551. }
  552. f, err := os.Open(volPath)
  553. defer f.Close()
  554. if !os.IsNotExist(err) {
  555. c.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
  556. }
  557. }
  558. // Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
  559. func (s *DockerSuite) TestRunVolumesFromSymlinkPath(c *check.C) {
  560. name := "docker-test-volumesfromsymlinkpath"
  561. buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
  562. buildCmd.Stdin = strings.NewReader(`FROM busybox
  563. RUN ln -s home /foo
  564. VOLUME ["/foo/bar"]`)
  565. buildCmd.Dir = workingDirectory
  566. err := buildCmd.Run()
  567. if err != nil {
  568. c.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
  569. }
  570. cmd := exec.Command(dockerBinary, "run", "--name", "test-volumesfromsymlinkpath", name)
  571. exitCode, err := runCommand(cmd)
  572. if err != nil || exitCode != 0 {
  573. c.Fatalf("[run] (volume) err: %v, exitcode: %d", err, exitCode)
  574. }
  575. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls /foo | grep -q bar")
  576. exitCode, err = runCommand(cmd)
  577. if err != nil || exitCode != 0 {
  578. c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
  579. }
  580. }
  581. func (s *DockerSuite) TestRunExitCode(c *check.C) {
  582. cmd := exec.Command(dockerBinary, "run", "busybox", "/bin/sh", "-c", "exit 72")
  583. exit, err := runCommand(cmd)
  584. if err == nil {
  585. c.Fatal("should not have a non nil error")
  586. }
  587. if exit != 72 {
  588. c.Fatalf("expected exit code 72 received %d", exit)
  589. }
  590. }
  591. func (s *DockerSuite) TestRunUserDefaultsToRoot(c *check.C) {
  592. cmd := exec.Command(dockerBinary, "run", "busybox", "id")
  593. out, _, err := runCommandWithOutput(cmd)
  594. if err != nil {
  595. c.Fatal(err, out)
  596. }
  597. if !strings.Contains(out, "uid=0(root) gid=0(root)") {
  598. c.Fatalf("expected root user got %s", out)
  599. }
  600. }
  601. func (s *DockerSuite) TestRunUserByName(c *check.C) {
  602. cmd := exec.Command(dockerBinary, "run", "-u", "root", "busybox", "id")
  603. out, _, err := runCommandWithOutput(cmd)
  604. if err != nil {
  605. c.Fatal(err, out)
  606. }
  607. if !strings.Contains(out, "uid=0(root) gid=0(root)") {
  608. c.Fatalf("expected root user got %s", out)
  609. }
  610. }
  611. func (s *DockerSuite) TestRunUserByID(c *check.C) {
  612. cmd := exec.Command(dockerBinary, "run", "-u", "1", "busybox", "id")
  613. out, _, err := runCommandWithOutput(cmd)
  614. if err != nil {
  615. c.Fatal(err, out)
  616. }
  617. if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
  618. c.Fatalf("expected daemon user got %s", out)
  619. }
  620. }
  621. func (s *DockerSuite) TestRunUserByIDBig(c *check.C) {
  622. cmd := exec.Command(dockerBinary, "run", "-u", "2147483648", "busybox", "id")
  623. out, _, err := runCommandWithOutput(cmd)
  624. if err == nil {
  625. c.Fatal("No error, but must be.", out)
  626. }
  627. if !strings.Contains(out, "Uids and gids must be in range") {
  628. c.Fatalf("expected error about uids range, got %s", out)
  629. }
  630. }
  631. func (s *DockerSuite) TestRunUserByIDNegative(c *check.C) {
  632. cmd := exec.Command(dockerBinary, "run", "-u", "-1", "busybox", "id")
  633. out, _, err := runCommandWithOutput(cmd)
  634. if err == nil {
  635. c.Fatal("No error, but must be.", out)
  636. }
  637. if !strings.Contains(out, "Uids and gids must be in range") {
  638. c.Fatalf("expected error about uids range, got %s", out)
  639. }
  640. }
  641. func (s *DockerSuite) TestRunUserByIDZero(c *check.C) {
  642. cmd := exec.Command(dockerBinary, "run", "-u", "0", "busybox", "id")
  643. out, _, err := runCommandWithOutput(cmd)
  644. if err != nil {
  645. c.Fatal(err, out)
  646. }
  647. if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
  648. c.Fatalf("expected daemon user got %s", out)
  649. }
  650. }
  651. func (s *DockerSuite) TestRunUserNotFound(c *check.C) {
  652. cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id")
  653. _, err := runCommand(cmd)
  654. if err == nil {
  655. c.Fatal("unknown user should cause container to fail")
  656. }
  657. }
  658. func (s *DockerSuite) TestRunTwoConcurrentContainers(c *check.C) {
  659. group := sync.WaitGroup{}
  660. group.Add(2)
  661. errChan := make(chan error, 2)
  662. for i := 0; i < 2; i++ {
  663. go func() {
  664. defer group.Done()
  665. cmd := exec.Command(dockerBinary, "run", "busybox", "sleep", "2")
  666. _, err := runCommand(cmd)
  667. errChan <- err
  668. }()
  669. }
  670. group.Wait()
  671. close(errChan)
  672. for err := range errChan {
  673. c.Assert(err, check.IsNil)
  674. }
  675. }
  676. func (s *DockerSuite) TestRunEnvironment(c *check.C) {
  677. cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env")
  678. cmd.Env = append(os.Environ(),
  679. "TRUE=false",
  680. "TRICKY=tri\ncky\n",
  681. )
  682. out, _, err := runCommandWithOutput(cmd)
  683. if err != nil {
  684. c.Fatal(err, out)
  685. }
  686. actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
  687. actualEnv := []string{}
  688. for i := range actualEnvLxc {
  689. if actualEnvLxc[i] != "container=lxc" {
  690. actualEnv = append(actualEnv, actualEnvLxc[i])
  691. }
  692. }
  693. sort.Strings(actualEnv)
  694. goodEnv := []string{
  695. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  696. "HOSTNAME=testing",
  697. "FALSE=true",
  698. "TRUE=false",
  699. "TRICKY=tri",
  700. "cky",
  701. "",
  702. "HOME=/root",
  703. }
  704. sort.Strings(goodEnv)
  705. if len(goodEnv) != len(actualEnv) {
  706. c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
  707. }
  708. for i := range goodEnv {
  709. if actualEnv[i] != goodEnv[i] {
  710. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  711. }
  712. }
  713. }
  714. func (s *DockerSuite) TestRunEnvironmentErase(c *check.C) {
  715. // Test to make sure that when we use -e on env vars that are
  716. // not set in our local env that they're removed (if present) in
  717. // the container
  718. cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env")
  719. cmd.Env = appendBaseEnv([]string{})
  720. out, _, err := runCommandWithOutput(cmd)
  721. if err != nil {
  722. c.Fatal(err, out)
  723. }
  724. actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
  725. actualEnv := []string{}
  726. for i := range actualEnvLxc {
  727. if actualEnvLxc[i] != "container=lxc" {
  728. actualEnv = append(actualEnv, actualEnvLxc[i])
  729. }
  730. }
  731. sort.Strings(actualEnv)
  732. goodEnv := []string{
  733. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  734. "HOME=/root",
  735. }
  736. sort.Strings(goodEnv)
  737. if len(goodEnv) != len(actualEnv) {
  738. c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
  739. }
  740. for i := range goodEnv {
  741. if actualEnv[i] != goodEnv[i] {
  742. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  743. }
  744. }
  745. }
  746. func (s *DockerSuite) TestRunEnvironmentOverride(c *check.C) {
  747. // Test to make sure that when we use -e on env vars that are
  748. // already in the env that we're overriding them
  749. cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env")
  750. cmd.Env = appendBaseEnv([]string{"HOSTNAME=bar"})
  751. out, _, err := runCommandWithOutput(cmd)
  752. if err != nil {
  753. c.Fatal(err, out)
  754. }
  755. actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
  756. actualEnv := []string{}
  757. for i := range actualEnvLxc {
  758. if actualEnvLxc[i] != "container=lxc" {
  759. actualEnv = append(actualEnv, actualEnvLxc[i])
  760. }
  761. }
  762. sort.Strings(actualEnv)
  763. goodEnv := []string{
  764. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  765. "HOME=/root2",
  766. "HOSTNAME=bar",
  767. }
  768. sort.Strings(goodEnv)
  769. if len(goodEnv) != len(actualEnv) {
  770. c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
  771. }
  772. for i := range goodEnv {
  773. if actualEnv[i] != goodEnv[i] {
  774. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  775. }
  776. }
  777. }
  778. func (s *DockerSuite) TestRunContainerNetwork(c *check.C) {
  779. cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
  780. if _, err := runCommand(cmd); err != nil {
  781. c.Fatal(err)
  782. }
  783. }
  784. // Issue #4681
  785. func (s *DockerSuite) TestRunLoopbackWhenNetworkDisabled(c *check.C) {
  786. cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1")
  787. if _, err := runCommand(cmd); err != nil {
  788. c.Fatal(err)
  789. }
  790. }
  791. func (s *DockerSuite) TestRunNetHostNotAllowedWithLinks(c *check.C) {
  792. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "linked", "busybox", "true"))
  793. if err != nil {
  794. c.Fatalf("Failed with errors: %s, %v", out, err)
  795. }
  796. cmd := exec.Command(dockerBinary, "run", "--net=host", "--link", "linked:linked", "busybox", "true")
  797. _, _, err = runCommandWithOutput(cmd)
  798. if err == nil {
  799. c.Fatal("Expected error")
  800. }
  801. }
  802. func (s *DockerSuite) TestRunLoopbackOnlyExistsWhenNetworkingDisabled(c *check.C) {
  803. cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up")
  804. out, _, err := runCommandWithOutput(cmd)
  805. if err != nil {
  806. c.Fatal(err, out)
  807. }
  808. var (
  809. count = 0
  810. parts = strings.Split(out, "\n")
  811. )
  812. for _, l := range parts {
  813. if l != "" {
  814. count++
  815. }
  816. }
  817. if count != 1 {
  818. c.Fatalf("Wrong interface count in container %d", count)
  819. }
  820. if !strings.HasPrefix(out, "1: lo") {
  821. c.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out)
  822. }
  823. }
  824. // #7851 hostname outside container shows FQDN, inside only shortname
  825. // For testing purposes it is not required to set host's hostname directly
  826. // and use "--net=host" (as the original issue submitter did), as the same
  827. // codepath is executed with "docker run -h <hostname>". Both were manually
  828. // tested, but this testcase takes the simpler path of using "run -h .."
  829. func (s *DockerSuite) TestRunFullHostnameSet(c *check.C) {
  830. cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname")
  831. out, _, err := runCommandWithOutput(cmd)
  832. if err != nil {
  833. c.Fatal(err, out)
  834. }
  835. if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
  836. c.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
  837. }
  838. }
  839. func (s *DockerSuite) TestRunPrivilegedCanMknod(c *check.C) {
  840. cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  841. out, _, err := runCommandWithOutput(cmd)
  842. if err != nil {
  843. c.Fatal(err)
  844. }
  845. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  846. c.Fatalf("expected output ok received %s", actual)
  847. }
  848. }
  849. func (s *DockerSuite) TestRunUnprivilegedCanMknod(c *check.C) {
  850. cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  851. out, _, err := runCommandWithOutput(cmd)
  852. if err != nil {
  853. c.Fatal(err)
  854. }
  855. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  856. c.Fatalf("expected output ok received %s", actual)
  857. }
  858. }
  859. func (s *DockerSuite) TestRunCapDropInvalid(c *check.C) {
  860. cmd := exec.Command(dockerBinary, "run", "--cap-drop=CHPASS", "busybox", "ls")
  861. out, _, err := runCommandWithOutput(cmd)
  862. if err == nil {
  863. c.Fatal(err, out)
  864. }
  865. }
  866. func (s *DockerSuite) TestRunCapDropCannotMknod(c *check.C) {
  867. cmd := exec.Command(dockerBinary, "run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  868. out, _, err := runCommandWithOutput(cmd)
  869. if err == nil {
  870. c.Fatal(err, out)
  871. }
  872. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  873. c.Fatalf("expected output not ok received %s", actual)
  874. }
  875. }
  876. func (s *DockerSuite) TestRunCapDropCannotMknodLowerCase(c *check.C) {
  877. cmd := exec.Command(dockerBinary, "run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  878. out, _, err := runCommandWithOutput(cmd)
  879. if err == nil {
  880. c.Fatal(err, out)
  881. }
  882. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  883. c.Fatalf("expected output not ok received %s", actual)
  884. }
  885. }
  886. func (s *DockerSuite) TestRunCapDropALLCannotMknod(c *check.C) {
  887. cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  888. out, _, err := runCommandWithOutput(cmd)
  889. if err == nil {
  890. c.Fatal(err, out)
  891. }
  892. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  893. c.Fatalf("expected output not ok received %s", actual)
  894. }
  895. }
  896. func (s *DockerSuite) TestRunCapDropALLAddMknodCanMknod(c *check.C) {
  897. cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  898. out, _, err := runCommandWithOutput(cmd)
  899. if err != nil {
  900. c.Fatal(err, out)
  901. }
  902. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  903. c.Fatalf("expected output ok received %s", actual)
  904. }
  905. }
  906. func (s *DockerSuite) TestRunCapAddInvalid(c *check.C) {
  907. cmd := exec.Command(dockerBinary, "run", "--cap-add=CHPASS", "busybox", "ls")
  908. out, _, err := runCommandWithOutput(cmd)
  909. if err == nil {
  910. c.Fatal(err, out)
  911. }
  912. }
  913. func (s *DockerSuite) TestRunCapAddCanDownInterface(c *check.C) {
  914. cmd := exec.Command(dockerBinary, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  915. out, _, err := runCommandWithOutput(cmd)
  916. if err != nil {
  917. c.Fatal(err, out)
  918. }
  919. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  920. c.Fatalf("expected output ok received %s", actual)
  921. }
  922. }
  923. func (s *DockerSuite) TestRunCapAddALLCanDownInterface(c *check.C) {
  924. cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  925. out, _, err := runCommandWithOutput(cmd)
  926. if err != nil {
  927. c.Fatal(err, out)
  928. }
  929. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  930. c.Fatalf("expected output ok received %s", actual)
  931. }
  932. }
  933. func (s *DockerSuite) TestRunCapAddALLDropNetAdminCanDownInterface(c *check.C) {
  934. cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  935. out, _, err := runCommandWithOutput(cmd)
  936. if err == nil {
  937. c.Fatal(err, out)
  938. }
  939. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  940. c.Fatalf("expected output not ok received %s", actual)
  941. }
  942. }
  943. func (s *DockerSuite) TestRunPrivilegedCanMount(c *check.C) {
  944. cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  945. out, _, err := runCommandWithOutput(cmd)
  946. if err != nil {
  947. c.Fatal(err)
  948. }
  949. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  950. c.Fatalf("expected output ok received %s", actual)
  951. }
  952. }
  953. func (s *DockerSuite) TestRunUnprivilegedCannotMount(c *check.C) {
  954. cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  955. out, _, err := runCommandWithOutput(cmd)
  956. if err == nil {
  957. c.Fatal(err, out)
  958. }
  959. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  960. c.Fatalf("expected output not ok received %s", actual)
  961. }
  962. }
  963. func (s *DockerSuite) TestRunSysNotWritableInNonPrivilegedContainers(c *check.C) {
  964. cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/sys/kernel/profiling")
  965. if code, err := runCommand(cmd); err == nil || code == 0 {
  966. c.Fatal("sys should not be writable in a non privileged container")
  967. }
  968. }
  969. func (s *DockerSuite) TestRunSysWritableInPrivilegedContainers(c *check.C) {
  970. cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling")
  971. if code, err := runCommand(cmd); err != nil || code != 0 {
  972. c.Fatalf("sys should be writable in privileged container")
  973. }
  974. }
  975. func (s *DockerSuite) TestRunProcNotWritableInNonPrivilegedContainers(c *check.C) {
  976. cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/proc/sysrq-trigger")
  977. if code, err := runCommand(cmd); err == nil || code == 0 {
  978. c.Fatal("proc should not be writable in a non privileged container")
  979. }
  980. }
  981. func (s *DockerSuite) TestRunProcWritableInPrivilegedContainers(c *check.C) {
  982. cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger")
  983. if code, err := runCommand(cmd); err != nil || code != 0 {
  984. c.Fatalf("proc should be writable in privileged container")
  985. }
  986. }
  987. func (s *DockerSuite) TestRunWithCpuPeriod(c *check.C) {
  988. runCmd := exec.Command(dockerBinary, "run", "--cpu-period", "50000", "--name", "test", "busybox", "true")
  989. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  990. if err != nil {
  991. c.Fatalf("failed to run container: %v, output: %q", err, out)
  992. }
  993. out = strings.TrimSpace(out)
  994. if strings.Contains(out, "Your kernel does not support CPU cfs period") {
  995. c.Skip("Your kernel does not support CPU cfs period, skip this test")
  996. }
  997. out, err = inspectField("test", "HostConfig.CpuPeriod")
  998. c.Assert(err, check.IsNil)
  999. if out != "50000" {
  1000. c.Errorf("setting the CPU CFS period failed")
  1001. }
  1002. }
  1003. func (s *DockerSuite) TestRunWithCpuset(c *check.C) {
  1004. cmd := exec.Command(dockerBinary, "run", "--cpuset", "0", "busybox", "true")
  1005. if code, err := runCommand(cmd); err != nil || code != 0 {
  1006. c.Fatalf("container should run successfully with cpuset of 0: %s", err)
  1007. }
  1008. }
  1009. func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) {
  1010. cmd := exec.Command(dockerBinary, "run", "--cpuset-cpus", "0", "busybox", "true")
  1011. if code, err := runCommand(cmd); err != nil || code != 0 {
  1012. c.Fatalf("container should run successfully with cpuset-cpus of 0: %s", err)
  1013. }
  1014. }
  1015. func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) {
  1016. cmd := exec.Command(dockerBinary, "run", "--cpuset-mems", "0", "busybox", "true")
  1017. if code, err := runCommand(cmd); err != nil || code != 0 {
  1018. c.Fatalf("container should run successfully with cpuset-mems of 0: %s", err)
  1019. }
  1020. }
  1021. func (s *DockerSuite) TestRunWithBlkioWeight(c *check.C) {
  1022. cmd := exec.Command(dockerBinary, "run", "--blkio-weight", "300", "busybox", "true")
  1023. if code, err := runCommand(cmd); err != nil || code != 0 {
  1024. c.Fatalf("container should run successfully with blkio-weight of 300: %s", err)
  1025. }
  1026. }
  1027. func (s *DockerSuite) TestRunWithBlkioInvalidWeight(c *check.C) {
  1028. cmd := exec.Command(dockerBinary, "run", "--blkio-weight", "5", "busybox", "true")
  1029. if _, err := runCommand(cmd); err == nil {
  1030. c.Fatalf("run with invalid blkio-weight should failed")
  1031. }
  1032. }
  1033. func (s *DockerSuite) TestRunDeviceNumbers(c *check.C) {
  1034. cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "ls -l /dev/null")
  1035. out, _, err := runCommandWithOutput(cmd)
  1036. if err != nil {
  1037. c.Fatal(err, out)
  1038. }
  1039. deviceLineFields := strings.Fields(out)
  1040. deviceLineFields[6] = ""
  1041. deviceLineFields[7] = ""
  1042. deviceLineFields[8] = ""
  1043. expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"}
  1044. if !(reflect.DeepEqual(deviceLineFields, expected)) {
  1045. c.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out)
  1046. }
  1047. }
  1048. func (s *DockerSuite) TestRunThatCharacterDevicesActLikeCharacterDevices(c *check.C) {
  1049. cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero")
  1050. out, _, err := runCommandWithOutput(cmd)
  1051. if err != nil {
  1052. c.Fatal(err, out)
  1053. }
  1054. if actual := strings.Trim(out, "\r\n"); actual[0] == '0' {
  1055. c.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual)
  1056. }
  1057. }
  1058. func (s *DockerSuite) TestRunUnprivilegedWithChroot(c *check.C) {
  1059. cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true")
  1060. if _, err := runCommand(cmd); err != nil {
  1061. c.Fatal(err)
  1062. }
  1063. }
  1064. func (s *DockerSuite) TestRunAddingOptionalDevices(c *check.C) {
  1065. cmd := exec.Command(dockerBinary, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo")
  1066. out, _, err := runCommandWithOutput(cmd)
  1067. if err != nil {
  1068. c.Fatal(err, out)
  1069. }
  1070. if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" {
  1071. c.Fatalf("expected output /dev/nulo, received %s", actual)
  1072. }
  1073. }
  1074. func (s *DockerSuite) TestRunModeHostname(c *check.C) {
  1075. testRequires(c, SameHostDaemon)
  1076. cmd := exec.Command(dockerBinary, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname")
  1077. out, _, err := runCommandWithOutput(cmd)
  1078. if err != nil {
  1079. c.Fatal(err, out)
  1080. }
  1081. if actual := strings.Trim(out, "\r\n"); actual != "testhostname" {
  1082. c.Fatalf("expected 'testhostname', but says: %q", actual)
  1083. }
  1084. cmd = exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hostname")
  1085. out, _, err = runCommandWithOutput(cmd)
  1086. if err != nil {
  1087. c.Fatal(err, out)
  1088. }
  1089. hostname, err := os.Hostname()
  1090. if err != nil {
  1091. c.Fatal(err)
  1092. }
  1093. if actual := strings.Trim(out, "\r\n"); actual != hostname {
  1094. c.Fatalf("expected %q, but says: %q", hostname, actual)
  1095. }
  1096. }
  1097. func (s *DockerSuite) TestRunRootWorkdir(c *check.C) {
  1098. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--workdir", "/", "busybox", "pwd"))
  1099. if err != nil {
  1100. c.Fatalf("Failed with errors: %s, %v", out, err)
  1101. }
  1102. if out != "/\n" {
  1103. c.Fatalf("pwd returned %q (expected /\\n)", s)
  1104. }
  1105. }
  1106. func (s *DockerSuite) TestRunAllowBindMountingRoot(c *check.C) {
  1107. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-v", "/:/host", "busybox", "ls", "/host"))
  1108. if err != nil {
  1109. c.Fatalf("Failed with errors: %s, %v", out, err)
  1110. }
  1111. }
  1112. func (s *DockerSuite) TestRunDisallowBindMountingRootToRoot(c *check.C) {
  1113. cmd := exec.Command(dockerBinary, "run", "-v", "/:/", "busybox", "ls", "/host")
  1114. out, _, err := runCommandWithOutput(cmd)
  1115. if err == nil {
  1116. c.Fatal(out, err)
  1117. }
  1118. }
  1119. // Verify that a container gets default DNS when only localhost resolvers exist
  1120. func (s *DockerSuite) TestRunDnsDefaultOptions(c *check.C) {
  1121. testRequires(c, SameHostDaemon)
  1122. // preserve original resolv.conf for restoring after test
  1123. origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1124. if os.IsNotExist(err) {
  1125. c.Fatalf("/etc/resolv.conf does not exist")
  1126. }
  1127. // defer restored original conf
  1128. defer func() {
  1129. if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  1130. c.Fatal(err)
  1131. }
  1132. }()
  1133. // test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost
  1134. // 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by
  1135. // GetNameservers(), leading to a replacement of nameservers with the default set
  1136. tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1")
  1137. if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  1138. c.Fatal(err)
  1139. }
  1140. cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
  1141. actual, _, err := runCommandWithOutput(cmd)
  1142. if err != nil {
  1143. c.Fatal(err, actual)
  1144. }
  1145. // check that the actual defaults are appended to the commented out
  1146. // localhost resolver (which should be preserved)
  1147. // NOTE: if we ever change the defaults from google dns, this will break
  1148. expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
  1149. if actual != expected {
  1150. c.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual)
  1151. }
  1152. }
  1153. func (s *DockerSuite) TestRunDnsOptions(c *check.C) {
  1154. cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  1155. out, stderr, _, err := runCommandWithStdoutStderr(cmd)
  1156. if err != nil {
  1157. c.Fatal(err, out)
  1158. }
  1159. // The client will get a warning on stderr when setting DNS to a localhost address; verify this:
  1160. if !strings.Contains(stderr, "Localhost DNS setting") {
  1161. c.Fatalf("Expected warning on stderr about localhost resolver, but got %q", stderr)
  1162. }
  1163. actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
  1164. if actual != "nameserver 127.0.0.1 search mydomain" {
  1165. c.Fatalf("expected 'nameserver 127.0.0.1 search mydomain', but says: %q", actual)
  1166. }
  1167. cmd = exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=.", "busybox", "cat", "/etc/resolv.conf")
  1168. out, _, _, err = runCommandWithStdoutStderr(cmd)
  1169. if err != nil {
  1170. c.Fatal(err, out)
  1171. }
  1172. actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1)
  1173. if actual != "nameserver 127.0.0.1" {
  1174. c.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual)
  1175. }
  1176. }
  1177. func (s *DockerSuite) TestRunDnsOptionsBasedOnHostResolvConf(c *check.C) {
  1178. testRequires(c, SameHostDaemon)
  1179. origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1180. if os.IsNotExist(err) {
  1181. c.Fatalf("/etc/resolv.conf does not exist")
  1182. }
  1183. hostNamservers := resolvconf.GetNameservers(origResolvConf)
  1184. hostSearch := resolvconf.GetSearchDomains(origResolvConf)
  1185. var out string
  1186. cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf")
  1187. if out, _, _, err = runCommandWithStdoutStderr(cmd); err != nil {
  1188. c.Fatal(err, out)
  1189. }
  1190. if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" {
  1191. c.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0]))
  1192. }
  1193. actualSearch := resolvconf.GetSearchDomains([]byte(out))
  1194. if len(actualSearch) != len(hostSearch) {
  1195. c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  1196. }
  1197. for i := range actualSearch {
  1198. if actualSearch[i] != hostSearch[i] {
  1199. c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  1200. }
  1201. }
  1202. cmd = exec.Command(dockerBinary, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  1203. if out, _, err = runCommandWithOutput(cmd); err != nil {
  1204. c.Fatal(err, out)
  1205. }
  1206. actualNameservers := resolvconf.GetNameservers([]byte(out))
  1207. if len(actualNameservers) != len(hostNamservers) {
  1208. c.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers))
  1209. }
  1210. for i := range actualNameservers {
  1211. if actualNameservers[i] != hostNamservers[i] {
  1212. c.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i])
  1213. }
  1214. }
  1215. if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" {
  1216. c.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0]))
  1217. }
  1218. // test with file
  1219. tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1")
  1220. if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  1221. c.Fatal(err)
  1222. }
  1223. // put the old resolvconf back
  1224. defer func() {
  1225. if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  1226. c.Fatal(err)
  1227. }
  1228. }()
  1229. resolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  1230. if os.IsNotExist(err) {
  1231. c.Fatalf("/etc/resolv.conf does not exist")
  1232. }
  1233. hostNamservers = resolvconf.GetNameservers(resolvConf)
  1234. hostSearch = resolvconf.GetSearchDomains(resolvConf)
  1235. cmd = exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf")
  1236. if out, _, err = runCommandWithOutput(cmd); err != nil {
  1237. c.Fatal(err, out)
  1238. }
  1239. if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 {
  1240. c.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers)
  1241. }
  1242. actualSearch = resolvconf.GetSearchDomains([]byte(out))
  1243. if len(actualSearch) != len(hostSearch) {
  1244. c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  1245. }
  1246. for i := range actualSearch {
  1247. if actualSearch[i] != hostSearch[i] {
  1248. c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  1249. }
  1250. }
  1251. }
  1252. // Test the file watch notifier on docker host's /etc/resolv.conf
  1253. // A go-routine is responsible for auto-updating containers which are
  1254. // stopped and have an unmodified copy of resolv.conf, as well as
  1255. // marking running containers as requiring an update on next restart
  1256. func (s *DockerSuite) TestRunResolvconfUpdater(c *check.C) {
  1257. // Because overlay doesn't support inotify properly, we need to skip
  1258. // this test if the docker daemon has Storage Driver == overlay
  1259. testRequires(c, SameHostDaemon, NotOverlay)
  1260. tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78")
  1261. tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1")
  1262. //take a copy of resolv.conf for restoring after test completes
  1263. resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
  1264. if err != nil {
  1265. c.Fatal(err)
  1266. }
  1267. // This test case is meant to test monitoring resolv.conf when it is
  1268. // a regular file not a bind mounc. So we unmount resolv.conf and replace
  1269. // it with a file containing the original settings.
  1270. cmd := exec.Command("umount", "/etc/resolv.conf")
  1271. if _, err = runCommand(cmd); err != nil {
  1272. c.Fatal(err)
  1273. }
  1274. //cleanup
  1275. defer func() {
  1276. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1277. c.Fatal(err)
  1278. }
  1279. }()
  1280. //1. test that a non-running container gets an updated resolv.conf
  1281. cmd = exec.Command(dockerBinary, "run", "--name='first'", "busybox", "true")
  1282. if _, err := runCommand(cmd); err != nil {
  1283. c.Fatal(err)
  1284. }
  1285. containerID1, err := getIDByName("first")
  1286. if err != nil {
  1287. c.Fatal(err)
  1288. }
  1289. // replace resolv.conf with our temporary copy
  1290. bytesResolvConf := []byte(tmpResolvConf)
  1291. if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1292. c.Fatal(err)
  1293. }
  1294. time.Sleep(time.Second / 2)
  1295. // check for update in container
  1296. containerResolv, err := readContainerFile(containerID1, "resolv.conf")
  1297. if err != nil {
  1298. c.Fatal(err)
  1299. }
  1300. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1301. c.Fatalf("Stopped container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
  1302. }
  1303. //2. test that a non-running container does not receive resolv.conf updates
  1304. // if it modified the container copy of the starting point resolv.conf
  1305. cmd = exec.Command(dockerBinary, "run", "--name='second'", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf")
  1306. if _, err = runCommand(cmd); err != nil {
  1307. c.Fatal(err)
  1308. }
  1309. containerID2, err := getIDByName("second")
  1310. if err != nil {
  1311. c.Fatal(err)
  1312. }
  1313. containerResolvHashBefore, err := readContainerFile(containerID2, "resolv.conf.hash")
  1314. if err != nil {
  1315. c.Fatal(err)
  1316. }
  1317. //make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
  1318. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1319. c.Fatal(err)
  1320. }
  1321. time.Sleep(time.Second / 2)
  1322. containerResolvHashAfter, err := readContainerFile(containerID2, "resolv.conf.hash")
  1323. if err != nil {
  1324. c.Fatal(err)
  1325. }
  1326. if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
  1327. c.Fatalf("Stopped container with modified resolv.conf should not have been updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
  1328. }
  1329. //3. test that a running container's resolv.conf is not modified while running
  1330. cmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  1331. out, _, err := runCommandWithOutput(cmd)
  1332. if err != nil {
  1333. c.Fatal(err)
  1334. }
  1335. runningContainerID := strings.TrimSpace(out)
  1336. containerResolvHashBefore, err = readContainerFile(runningContainerID, "resolv.conf.hash")
  1337. if err != nil {
  1338. c.Fatal(err)
  1339. }
  1340. // replace resolv.conf
  1341. if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1342. c.Fatal(err)
  1343. }
  1344. // make sure the updater has time to run to validate we really aren't
  1345. // getting updated
  1346. time.Sleep(time.Second / 2)
  1347. containerResolvHashAfter, err = readContainerFile(runningContainerID, "resolv.conf.hash")
  1348. if err != nil {
  1349. c.Fatal(err)
  1350. }
  1351. if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) {
  1352. c.Fatalf("Running container's resolv.conf should not be updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter)
  1353. }
  1354. //4. test that a running container's resolv.conf is updated upon restart
  1355. // (the above container is still running..)
  1356. cmd = exec.Command(dockerBinary, "restart", runningContainerID)
  1357. if _, err = runCommand(cmd); err != nil {
  1358. c.Fatal(err)
  1359. }
  1360. // check for update in container
  1361. containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
  1362. if err != nil {
  1363. c.Fatal(err)
  1364. }
  1365. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1366. c.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
  1367. }
  1368. //5. test that additions of a localhost resolver are cleaned from
  1369. // host resolv.conf before updating container's resolv.conf copies
  1370. // replace resolv.conf with a localhost-only nameserver copy
  1371. bytesResolvConf = []byte(tmpLocalhostResolvConf)
  1372. if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  1373. c.Fatal(err)
  1374. }
  1375. time.Sleep(time.Second / 2)
  1376. // our first exited container ID should have been updated, but with default DNS
  1377. // after the cleanup of resolv.conf found only a localhost nameserver:
  1378. containerResolv, err = readContainerFile(containerID1, "resolv.conf")
  1379. if err != nil {
  1380. c.Fatal(err)
  1381. }
  1382. expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
  1383. if !bytes.Equal(containerResolv, []byte(expected)) {
  1384. c.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv))
  1385. }
  1386. //6. Test that replacing (as opposed to modifying) resolv.conf triggers an update
  1387. // of containers' resolv.conf.
  1388. // Restore the original resolv.conf
  1389. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  1390. c.Fatal(err)
  1391. }
  1392. // Run the container so it picks up the old settings
  1393. cmd = exec.Command(dockerBinary, "run", "--name='third'", "busybox", "true")
  1394. if _, err := runCommand(cmd); err != nil {
  1395. c.Fatal(err)
  1396. }
  1397. containerID3, err := getIDByName("third")
  1398. if err != nil {
  1399. c.Fatal(err)
  1400. }
  1401. // Create a modified resolv.conf.aside and override resolv.conf with it
  1402. bytesResolvConf = []byte(tmpResolvConf)
  1403. if err := ioutil.WriteFile("/etc/resolv.conf.aside", bytesResolvConf, 0644); err != nil {
  1404. c.Fatal(err)
  1405. }
  1406. err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf")
  1407. if err != nil {
  1408. c.Fatal(err)
  1409. }
  1410. time.Sleep(time.Second / 2)
  1411. // check for update in container
  1412. containerResolv, err = readContainerFile(containerID3, "resolv.conf")
  1413. if err != nil {
  1414. c.Fatal(err)
  1415. }
  1416. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1417. c.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv))
  1418. }
  1419. //cleanup, restore original resolv.conf happens in defer func()
  1420. }
  1421. func (s *DockerSuite) TestRunAddHost(c *check.C) {
  1422. cmd := exec.Command(dockerBinary, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts")
  1423. out, _, err := runCommandWithOutput(cmd)
  1424. if err != nil {
  1425. c.Fatal(err, out)
  1426. }
  1427. actual := strings.Trim(out, "\r\n")
  1428. if actual != "86.75.30.9\textra" {
  1429. c.Fatalf("expected '86.75.30.9\textra', but says: %q", actual)
  1430. }
  1431. }
  1432. // Regression test for #6983
  1433. func (s *DockerSuite) TestRunAttachStdErrOnlyTTYMode(c *check.C) {
  1434. cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stderr", "busybox", "true")
  1435. exitCode, err := runCommand(cmd)
  1436. if err != nil {
  1437. c.Fatal(err)
  1438. } else if exitCode != 0 {
  1439. c.Fatalf("Container should have exited with error code 0")
  1440. }
  1441. }
  1442. // Regression test for #6983
  1443. func (s *DockerSuite) TestRunAttachStdOutOnlyTTYMode(c *check.C) {
  1444. cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "busybox", "true")
  1445. exitCode, err := runCommand(cmd)
  1446. if err != nil {
  1447. c.Fatal(err)
  1448. } else if exitCode != 0 {
  1449. c.Fatalf("Container should have exited with error code 0")
  1450. }
  1451. }
  1452. // Regression test for #6983
  1453. func (s *DockerSuite) TestRunAttachStdOutAndErrTTYMode(c *check.C) {
  1454. cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true")
  1455. exitCode, err := runCommand(cmd)
  1456. if err != nil {
  1457. c.Fatal(err)
  1458. } else if exitCode != 0 {
  1459. c.Fatalf("Container should have exited with error code 0")
  1460. }
  1461. }
  1462. // Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode
  1463. // but using --attach instead of -a to make sure we read the flag correctly
  1464. func (s *DockerSuite) TestRunAttachWithDetach(c *check.C) {
  1465. cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true")
  1466. _, stderr, _, err := runCommandWithStdoutStderr(cmd)
  1467. if err == nil {
  1468. c.Fatal("Container should have exited with error code different than 0")
  1469. } else if !strings.Contains(stderr, "Conflicting options: -a and -d") {
  1470. c.Fatal("Should have been returned an error with conflicting options -a and -d")
  1471. }
  1472. }
  1473. func (s *DockerSuite) TestRunState(c *check.C) {
  1474. cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  1475. out, _, err := runCommandWithOutput(cmd)
  1476. if err != nil {
  1477. c.Fatal(err, out)
  1478. }
  1479. id := strings.TrimSpace(out)
  1480. state, err := inspectField(id, "State.Running")
  1481. c.Assert(err, check.IsNil)
  1482. if state != "true" {
  1483. c.Fatal("Container state is 'not running'")
  1484. }
  1485. pid1, err := inspectField(id, "State.Pid")
  1486. c.Assert(err, check.IsNil)
  1487. if pid1 == "0" {
  1488. c.Fatal("Container state Pid 0")
  1489. }
  1490. cmd = exec.Command(dockerBinary, "stop", id)
  1491. out, _, err = runCommandWithOutput(cmd)
  1492. if err != nil {
  1493. c.Fatal(err, out)
  1494. }
  1495. state, err = inspectField(id, "State.Running")
  1496. c.Assert(err, check.IsNil)
  1497. if state != "false" {
  1498. c.Fatal("Container state is 'running'")
  1499. }
  1500. pid2, err := inspectField(id, "State.Pid")
  1501. c.Assert(err, check.IsNil)
  1502. if pid2 == pid1 {
  1503. c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1504. }
  1505. cmd = exec.Command(dockerBinary, "start", id)
  1506. out, _, err = runCommandWithOutput(cmd)
  1507. if err != nil {
  1508. c.Fatal(err, out)
  1509. }
  1510. state, err = inspectField(id, "State.Running")
  1511. c.Assert(err, check.IsNil)
  1512. if state != "true" {
  1513. c.Fatal("Container state is 'not running'")
  1514. }
  1515. pid3, err := inspectField(id, "State.Pid")
  1516. c.Assert(err, check.IsNil)
  1517. if pid3 == pid1 {
  1518. c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1519. }
  1520. }
  1521. // Test for #1737
  1522. func (s *DockerSuite) TestRunCopyVolumeUidGid(c *check.C) {
  1523. name := "testrunvolumesuidgid"
  1524. _, err := buildImage(name,
  1525. `FROM busybox
  1526. RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
  1527. RUN echo 'dockerio:x:1001:' >> /etc/group
  1528. RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`,
  1529. true)
  1530. if err != nil {
  1531. c.Fatal(err)
  1532. }
  1533. // Test that the uid and gid is copied from the image to the volume
  1534. cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'")
  1535. out, _, err := runCommandWithOutput(cmd)
  1536. if err != nil {
  1537. c.Fatal(err, out)
  1538. }
  1539. out = strings.TrimSpace(out)
  1540. if out != "dockerio:dockerio" {
  1541. c.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out)
  1542. }
  1543. }
  1544. // Test for #1582
  1545. func (s *DockerSuite) TestRunCopyVolumeContent(c *check.C) {
  1546. name := "testruncopyvolumecontent"
  1547. _, err := buildImage(name,
  1548. `FROM busybox
  1549. RUN mkdir -p /hello/local && echo hello > /hello/local/world`,
  1550. true)
  1551. if err != nil {
  1552. c.Fatal(err)
  1553. }
  1554. // Test that the content is copied from the image to the volume
  1555. cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "find", "/hello")
  1556. out, _, err := runCommandWithOutput(cmd)
  1557. if err != nil {
  1558. c.Fatal(err, out)
  1559. }
  1560. if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) {
  1561. c.Fatal("Container failed to transfer content to volume")
  1562. }
  1563. }
  1564. func (s *DockerSuite) TestRunCleanupCmdOnEntrypoint(c *check.C) {
  1565. name := "testrunmdcleanuponentrypoint"
  1566. if _, err := buildImage(name,
  1567. `FROM busybox
  1568. ENTRYPOINT ["echo"]
  1569. CMD ["testingpoint"]`,
  1570. true); err != nil {
  1571. c.Fatal(err)
  1572. }
  1573. runCmd := exec.Command(dockerBinary, "run", "--entrypoint", "whoami", name)
  1574. out, exit, err := runCommandWithOutput(runCmd)
  1575. if err != nil {
  1576. c.Fatalf("Error: %v, out: %q", err, out)
  1577. }
  1578. if exit != 0 {
  1579. c.Fatalf("expected exit code 0 received %d, out: %q", exit, out)
  1580. }
  1581. out = strings.TrimSpace(out)
  1582. if out != "root" {
  1583. c.Fatalf("Expected output root, got %q", out)
  1584. }
  1585. }
  1586. // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
  1587. func (s *DockerSuite) TestRunWorkdirExistsAndIsFile(c *check.C) {
  1588. runCmd := exec.Command(dockerBinary, "run", "-w", "/bin/cat", "busybox")
  1589. out, exit, err := runCommandWithOutput(runCmd)
  1590. if !(err != nil && exit == 1 && strings.Contains(out, "Cannot mkdir: /bin/cat is not a directory")) {
  1591. c.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err)
  1592. }
  1593. }
  1594. func (s *DockerSuite) TestRunExitOnStdinClose(c *check.C) {
  1595. name := "testrunexitonstdinclose"
  1596. runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat")
  1597. stdin, err := runCmd.StdinPipe()
  1598. if err != nil {
  1599. c.Fatal(err)
  1600. }
  1601. stdout, err := runCmd.StdoutPipe()
  1602. if err != nil {
  1603. c.Fatal(err)
  1604. }
  1605. if err := runCmd.Start(); err != nil {
  1606. c.Fatal(err)
  1607. }
  1608. if _, err := stdin.Write([]byte("hello\n")); err != nil {
  1609. c.Fatal(err)
  1610. }
  1611. r := bufio.NewReader(stdout)
  1612. line, err := r.ReadString('\n')
  1613. if err != nil {
  1614. c.Fatal(err)
  1615. }
  1616. line = strings.TrimSpace(line)
  1617. if line != "hello" {
  1618. c.Fatalf("Output should be 'hello', got '%q'", line)
  1619. }
  1620. if err := stdin.Close(); err != nil {
  1621. c.Fatal(err)
  1622. }
  1623. finish := make(chan error)
  1624. go func() {
  1625. finish <- runCmd.Wait()
  1626. close(finish)
  1627. }()
  1628. select {
  1629. case err := <-finish:
  1630. c.Assert(err, check.IsNil)
  1631. case <-time.After(1 * time.Second):
  1632. c.Fatal("docker run failed to exit on stdin close")
  1633. }
  1634. state, err := inspectField(name, "State.Running")
  1635. c.Assert(err, check.IsNil)
  1636. if state != "false" {
  1637. c.Fatal("Container must be stopped after stdin closing")
  1638. }
  1639. }
  1640. // Test for #2267
  1641. func (s *DockerSuite) TestRunWriteHostsFileAndNotCommit(c *check.C) {
  1642. name := "writehosts"
  1643. cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts")
  1644. out, _, err := runCommandWithOutput(cmd)
  1645. if err != nil {
  1646. c.Fatal(err, out)
  1647. }
  1648. if !strings.Contains(out, "test2267") {
  1649. c.Fatal("/etc/hosts should contain 'test2267'")
  1650. }
  1651. cmd = exec.Command(dockerBinary, "diff", name)
  1652. if err != nil {
  1653. c.Fatal(err, out)
  1654. }
  1655. out, _, err = runCommandWithOutput(cmd)
  1656. if err != nil {
  1657. c.Fatal(err, out)
  1658. }
  1659. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1660. c.Fatal("diff should be empty")
  1661. }
  1662. }
  1663. func eqToBaseDiff(out string, c *check.C) bool {
  1664. cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "hello")
  1665. out1, _, err := runCommandWithOutput(cmd)
  1666. cID := strings.TrimSpace(out1)
  1667. cmd = exec.Command(dockerBinary, "diff", cID)
  1668. baseDiff, _, err := runCommandWithOutput(cmd)
  1669. if err != nil {
  1670. c.Fatal(err, baseDiff)
  1671. }
  1672. baseArr := strings.Split(baseDiff, "\n")
  1673. sort.Strings(baseArr)
  1674. outArr := strings.Split(out, "\n")
  1675. sort.Strings(outArr)
  1676. return sliceEq(baseArr, outArr)
  1677. }
  1678. func sliceEq(a, b []string) bool {
  1679. if len(a) != len(b) {
  1680. return false
  1681. }
  1682. for i := range a {
  1683. if a[i] != b[i] {
  1684. return false
  1685. }
  1686. }
  1687. return true
  1688. }
  1689. // Test for #2267
  1690. func (s *DockerSuite) TestRunWriteHostnameFileAndNotCommit(c *check.C) {
  1691. name := "writehostname"
  1692. cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname")
  1693. out, _, err := runCommandWithOutput(cmd)
  1694. if err != nil {
  1695. c.Fatal(err, out)
  1696. }
  1697. if !strings.Contains(out, "test2267") {
  1698. c.Fatal("/etc/hostname should contain 'test2267'")
  1699. }
  1700. cmd = exec.Command(dockerBinary, "diff", name)
  1701. if err != nil {
  1702. c.Fatal(err, out)
  1703. }
  1704. out, _, err = runCommandWithOutput(cmd)
  1705. if err != nil {
  1706. c.Fatal(err, out)
  1707. }
  1708. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1709. c.Fatal("diff should be empty")
  1710. }
  1711. }
  1712. // Test for #2267
  1713. func (s *DockerSuite) TestRunWriteResolvFileAndNotCommit(c *check.C) {
  1714. name := "writeresolv"
  1715. cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf")
  1716. out, _, err := runCommandWithOutput(cmd)
  1717. if err != nil {
  1718. c.Fatal(err, out)
  1719. }
  1720. if !strings.Contains(out, "test2267") {
  1721. c.Fatal("/etc/resolv.conf should contain 'test2267'")
  1722. }
  1723. cmd = exec.Command(dockerBinary, "diff", name)
  1724. if err != nil {
  1725. c.Fatal(err, out)
  1726. }
  1727. out, _, err = runCommandWithOutput(cmd)
  1728. if err != nil {
  1729. c.Fatal(err, out)
  1730. }
  1731. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1732. c.Fatal("diff should be empty")
  1733. }
  1734. }
  1735. func (s *DockerSuite) TestRunWithBadDevice(c *check.C) {
  1736. name := "baddevice"
  1737. cmd := exec.Command(dockerBinary, "run", "--name", name, "--device", "/etc", "busybox", "true")
  1738. out, _, err := runCommandWithOutput(cmd)
  1739. if err == nil {
  1740. c.Fatal("Run should fail with bad device")
  1741. }
  1742. expected := `"/etc": not a device node`
  1743. if !strings.Contains(out, expected) {
  1744. c.Fatalf("Output should contain %q, actual out: %q", expected, out)
  1745. }
  1746. }
  1747. func (s *DockerSuite) TestRunEntrypoint(c *check.C) {
  1748. name := "entrypoint"
  1749. cmd := exec.Command(dockerBinary, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar")
  1750. out, _, err := runCommandWithOutput(cmd)
  1751. if err != nil {
  1752. c.Fatal(err, out)
  1753. }
  1754. expected := "foobar"
  1755. if out != expected {
  1756. c.Fatalf("Output should be %q, actual out: %q", expected, out)
  1757. }
  1758. }
  1759. func (s *DockerSuite) TestRunBindMounts(c *check.C) {
  1760. testRequires(c, SameHostDaemon)
  1761. tmpDir, err := ioutil.TempDir("", "docker-test-container")
  1762. if err != nil {
  1763. c.Fatal(err)
  1764. }
  1765. defer os.RemoveAll(tmpDir)
  1766. writeFile(path.Join(tmpDir, "touch-me"), "", c)
  1767. // Test reading from a read-only bind mount
  1768. cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox", "ls", "/tmp")
  1769. out, _, err := runCommandWithOutput(cmd)
  1770. if err != nil {
  1771. c.Fatal(err, out)
  1772. }
  1773. if !strings.Contains(out, "touch-me") {
  1774. c.Fatal("Container failed to read from bind mount")
  1775. }
  1776. // test writing to bind mount
  1777. cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla")
  1778. out, _, err = runCommandWithOutput(cmd)
  1779. if err != nil {
  1780. c.Fatal(err, out)
  1781. }
  1782. readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  1783. // test mounting to an illegal destination directory
  1784. cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".")
  1785. _, err = runCommand(cmd)
  1786. if err == nil {
  1787. c.Fatal("Container bind mounted illegal directory")
  1788. }
  1789. // test mount a file
  1790. cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla")
  1791. _, err = runCommand(cmd)
  1792. if err != nil {
  1793. c.Fatal(err, out)
  1794. }
  1795. content := readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  1796. expected := "yotta"
  1797. if content != expected {
  1798. c.Fatalf("Output should be %q, actual out: %q", expected, content)
  1799. }
  1800. }
  1801. // Ensure that CIDFile gets deleted if it's empty
  1802. // Perform this test by making `docker run` fail
  1803. func (s *DockerSuite) TestRunCidFileCleanupIfEmpty(c *check.C) {
  1804. tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  1805. if err != nil {
  1806. c.Fatal(err)
  1807. }
  1808. defer os.RemoveAll(tmpDir)
  1809. tmpCidFile := path.Join(tmpDir, "cid")
  1810. cmd := exec.Command(dockerBinary, "run", "--cidfile", tmpCidFile, "emptyfs")
  1811. out, _, err := runCommandWithOutput(cmd)
  1812. if err == nil {
  1813. c.Fatalf("Run without command must fail. out=%s", out)
  1814. } else if !strings.Contains(out, "No command specified") {
  1815. c.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err)
  1816. }
  1817. if _, err := os.Stat(tmpCidFile); err == nil {
  1818. c.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile)
  1819. }
  1820. }
  1821. // #2098 - Docker cidFiles only contain short version of the containerId
  1822. //sudo docker run --cidfile /tmp/docker_tesc.cid ubuntu echo "test"
  1823. // TestRunCidFile tests that run --cidfile returns the longid
  1824. func (s *DockerSuite) TestRunCidFileCheckIDLength(c *check.C) {
  1825. tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  1826. if err != nil {
  1827. c.Fatal(err)
  1828. }
  1829. tmpCidFile := path.Join(tmpDir, "cid")
  1830. defer os.RemoveAll(tmpDir)
  1831. cmd := exec.Command(dockerBinary, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true")
  1832. out, _, err := runCommandWithOutput(cmd)
  1833. if err != nil {
  1834. c.Fatal(err)
  1835. }
  1836. id := strings.TrimSpace(out)
  1837. buffer, err := ioutil.ReadFile(tmpCidFile)
  1838. if err != nil {
  1839. c.Fatal(err)
  1840. }
  1841. cid := string(buffer)
  1842. if len(cid) != 64 {
  1843. c.Fatalf("--cidfile should be a long id, not %q", id)
  1844. }
  1845. if cid != id {
  1846. c.Fatalf("cid must be equal to %s, got %s", id, cid)
  1847. }
  1848. }
  1849. func (s *DockerSuite) TestRunNetworkNotInitializedNoneMode(c *check.C) {
  1850. cmd := exec.Command(dockerBinary, "run", "-d", "--net=none", "busybox", "top")
  1851. out, _, err := runCommandWithOutput(cmd)
  1852. if err != nil {
  1853. c.Fatal(err)
  1854. }
  1855. id := strings.TrimSpace(out)
  1856. res, err := inspectField(id, "NetworkSettings.IPAddress")
  1857. c.Assert(err, check.IsNil)
  1858. if res != "" {
  1859. c.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res)
  1860. }
  1861. }
  1862. func (s *DockerSuite) TestRunSetMacAddress(c *check.C) {
  1863. mac := "12:34:56:78:9a:bc"
  1864. cmd := exec.Command(dockerBinary, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'")
  1865. out, ec, err := runCommandWithOutput(cmd)
  1866. if err != nil {
  1867. c.Fatalf("exec failed:\nexit code=%v\noutput=%s", ec, out)
  1868. }
  1869. actualMac := strings.TrimSpace(out)
  1870. if actualMac != mac {
  1871. c.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac)
  1872. }
  1873. }
  1874. func (s *DockerSuite) TestRunInspectMacAddress(c *check.C) {
  1875. mac := "12:34:56:78:9a:bc"
  1876. cmd := exec.Command(dockerBinary, "run", "-d", "--mac-address="+mac, "busybox", "top")
  1877. out, _, err := runCommandWithOutput(cmd)
  1878. if err != nil {
  1879. c.Fatal(err)
  1880. }
  1881. id := strings.TrimSpace(out)
  1882. inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress")
  1883. c.Assert(err, check.IsNil)
  1884. if inspectedMac != mac {
  1885. c.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac)
  1886. }
  1887. }
  1888. // test docker run use a invalid mac address
  1889. func (s *DockerSuite) TestRunWithInvalidMacAddress(c *check.C) {
  1890. runCmd := exec.Command(dockerBinary, "run", "--mac-address", "92:d0:c6:0a:29", "busybox")
  1891. out, _, err := runCommandWithOutput(runCmd)
  1892. //use a invalid mac address should with a error out
  1893. if err == nil || !strings.Contains(out, "is not a valid mac address") {
  1894. c.Fatalf("run with an invalid --mac-address should with error out")
  1895. }
  1896. }
  1897. func (s *DockerSuite) TestRunDeallocatePortOnMissingIptablesRule(c *check.C) {
  1898. testRequires(c, SameHostDaemon)
  1899. cmd := exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
  1900. out, _, err := runCommandWithOutput(cmd)
  1901. if err != nil {
  1902. c.Fatal(err)
  1903. }
  1904. id := strings.TrimSpace(out)
  1905. ip, err := inspectField(id, "NetworkSettings.IPAddress")
  1906. c.Assert(err, check.IsNil)
  1907. iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip),
  1908. "!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT")
  1909. out, _, err = runCommandWithOutput(iptCmd)
  1910. if err != nil {
  1911. c.Fatal(err, out)
  1912. }
  1913. if err := deleteContainer(id); err != nil {
  1914. c.Fatal(err)
  1915. }
  1916. cmd = exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top")
  1917. out, _, err = runCommandWithOutput(cmd)
  1918. if err != nil {
  1919. c.Fatal(err, out)
  1920. }
  1921. }
  1922. func (s *DockerSuite) TestRunPortInUse(c *check.C) {
  1923. testRequires(c, SameHostDaemon)
  1924. port := "1234"
  1925. cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
  1926. out, _, err := runCommandWithOutput(cmd)
  1927. if err != nil {
  1928. c.Fatalf("Fail to run listening container")
  1929. }
  1930. cmd = exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top")
  1931. out, _, err = runCommandWithOutput(cmd)
  1932. if err == nil {
  1933. c.Fatalf("Binding on used port must fail")
  1934. }
  1935. if !strings.Contains(out, "port is already allocated") {
  1936. c.Fatalf("Out must be about \"port is already allocated\", got %s", out)
  1937. }
  1938. }
  1939. // https://github.com/docker/docker/issues/12148
  1940. func (s *DockerSuite) TestRunAllocatePortInReservedRange(c *check.C) {
  1941. // allocate a dynamic port to get the most recent
  1942. cmd := exec.Command(dockerBinary, "run", "-d", "-P", "-p", "80", "busybox", "top")
  1943. out, _, err := runCommandWithOutput(cmd)
  1944. if err != nil {
  1945. c.Fatalf("Failed to run, output: %s, error: %s", out, err)
  1946. }
  1947. id := strings.TrimSpace(out)
  1948. cmd = exec.Command(dockerBinary, "port", id, "80")
  1949. out, _, err = runCommandWithOutput(cmd)
  1950. if err != nil {
  1951. c.Fatalf("Failed to get port, output: %s, error: %s", out, err)
  1952. }
  1953. strPort := strings.Split(strings.TrimSpace(out), ":")[1]
  1954. port, err := strconv.ParseInt(strPort, 10, 64)
  1955. if err != nil {
  1956. c.Fatalf("invalid port, got: %s, error: %s", strPort, err)
  1957. }
  1958. // allocate a static port and a dynamic port together, with static port
  1959. // takes the next recent port in dynamic port range.
  1960. cmd = exec.Command(dockerBinary, "run", "-d", "-P",
  1961. "-p", "80",
  1962. "-p", fmt.Sprintf("%d:8080", port+1),
  1963. "busybox", "top")
  1964. out, _, err = runCommandWithOutput(cmd)
  1965. if err != nil {
  1966. c.Fatalf("Failed to run, output: %s, error: %s", out, err)
  1967. }
  1968. }
  1969. // Regression test for #7792
  1970. func (s *DockerSuite) TestRunMountOrdering(c *check.C) {
  1971. testRequires(c, SameHostDaemon)
  1972. tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test")
  1973. if err != nil {
  1974. c.Fatal(err)
  1975. }
  1976. defer os.RemoveAll(tmpDir)
  1977. tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2")
  1978. if err != nil {
  1979. c.Fatal(err)
  1980. }
  1981. defer os.RemoveAll(tmpDir2)
  1982. // Create a temporary tmpfs mounc.
  1983. fooDir := filepath.Join(tmpDir, "foo")
  1984. if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil {
  1985. c.Fatalf("failed to mkdir at %s - %s", fooDir, err)
  1986. }
  1987. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil {
  1988. c.Fatal(err)
  1989. }
  1990. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil {
  1991. c.Fatal(err)
  1992. }
  1993. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil {
  1994. c.Fatal(err)
  1995. }
  1996. cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp", tmpDir), "-v", fmt.Sprintf("%s:/tmp/foo", fooDir), "-v", fmt.Sprintf("%s:/tmp/tmp2", tmpDir2), "-v", fmt.Sprintf("%s:/tmp/tmp2/foo", fooDir), "busybox:latest", "sh", "-c", "ls /tmp/touch-me && ls /tmp/foo/touch-me && ls /tmp/tmp2/touch-me && ls /tmp/tmp2/foo/touch-me")
  1997. out, _, err := runCommandWithOutput(cmd)
  1998. if err != nil {
  1999. c.Fatal(out, err)
  2000. }
  2001. }
  2002. // Regression test for https://github.com/docker/docker/issues/8259
  2003. func (s *DockerSuite) TestRunReuseBindVolumeThatIsSymlink(c *check.C) {
  2004. testRequires(c, SameHostDaemon)
  2005. tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink")
  2006. if err != nil {
  2007. c.Fatal(err)
  2008. }
  2009. defer os.RemoveAll(tmpDir)
  2010. linkPath := os.TempDir() + "/testlink2"
  2011. if err := os.Symlink(tmpDir, linkPath); err != nil {
  2012. c.Fatal(err)
  2013. }
  2014. defer os.RemoveAll(linkPath)
  2015. // Create first container
  2016. cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
  2017. if _, err := runCommand(cmd); err != nil {
  2018. c.Fatal(err)
  2019. }
  2020. // Create second container with same symlinked path
  2021. // This will fail if the referenced issue is hit with a "Volume exists" error
  2022. cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
  2023. if out, _, err := runCommandWithOutput(cmd); err != nil {
  2024. c.Fatal(err, out)
  2025. }
  2026. }
  2027. //GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container
  2028. func (s *DockerSuite) TestRunCreateVolumeEtc(c *check.C) {
  2029. cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf")
  2030. out, _, err := runCommandWithOutput(cmd)
  2031. if err != nil {
  2032. c.Fatalf("failed to run container: %v, output: %q", err, out)
  2033. }
  2034. if !strings.Contains(out, "nameserver 127.0.0.1") {
  2035. c.Fatal("/etc volume mount hides /etc/resolv.conf")
  2036. }
  2037. cmd = exec.Command(dockerBinary, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname")
  2038. out, _, err = runCommandWithOutput(cmd)
  2039. if err != nil {
  2040. c.Fatalf("failed to run container: %v, output: %q", err, out)
  2041. }
  2042. if !strings.Contains(out, "test123") {
  2043. c.Fatal("/etc volume mount hides /etc/hostname")
  2044. }
  2045. cmd = exec.Command(dockerBinary, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts")
  2046. out, _, err = runCommandWithOutput(cmd)
  2047. if err != nil {
  2048. c.Fatalf("failed to run container: %v, output: %q", err, out)
  2049. }
  2050. out = strings.Replace(out, "\n", " ", -1)
  2051. if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") {
  2052. c.Fatal("/etc volume mount hides /etc/hosts")
  2053. }
  2054. }
  2055. func (s *DockerSuite) TestVolumesNoCopyData(c *check.C) {
  2056. if _, err := buildImage("dataimage",
  2057. `FROM busybox
  2058. RUN mkdir -p /foo
  2059. RUN touch /foo/bar`,
  2060. true); err != nil {
  2061. c.Fatal(err)
  2062. }
  2063. cmd := exec.Command(dockerBinary, "run", "--name", "test", "-v", "/foo", "busybox")
  2064. if _, err := runCommand(cmd); err != nil {
  2065. c.Fatal(err)
  2066. }
  2067. cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar")
  2068. if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
  2069. c.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out)
  2070. }
  2071. tmpDir := randomUnixTmpDirPath("docker_test_bind_mount_copy_data")
  2072. cmd = exec.Command(dockerBinary, "run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar")
  2073. if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") {
  2074. c.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out)
  2075. }
  2076. }
  2077. func (s *DockerSuite) TestRunVolumesNotRecreatedOnStart(c *check.C) {
  2078. testRequires(c, SameHostDaemon)
  2079. // Clear out any remnants from other tests
  2080. info, err := ioutil.ReadDir(volumesConfigPath)
  2081. if err != nil {
  2082. c.Fatal(err)
  2083. }
  2084. if len(info) > 0 {
  2085. for _, f := range info {
  2086. if err := os.RemoveAll(volumesConfigPath + "/" + f.Name()); err != nil {
  2087. c.Fatal(err)
  2088. }
  2089. }
  2090. }
  2091. cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "--name", "lone_starr", "busybox")
  2092. if _, err := runCommand(cmd); err != nil {
  2093. c.Fatal(err)
  2094. }
  2095. cmd = exec.Command(dockerBinary, "start", "lone_starr")
  2096. if _, err := runCommand(cmd); err != nil {
  2097. c.Fatal(err)
  2098. }
  2099. info, err = ioutil.ReadDir(volumesConfigPath)
  2100. if err != nil {
  2101. c.Fatal(err)
  2102. }
  2103. if len(info) != 1 {
  2104. c.Fatalf("Expected only 1 volume have %v", len(info))
  2105. }
  2106. }
  2107. func (s *DockerSuite) TestRunNoOutputFromPullInStdout(c *check.C) {
  2108. // just run with unknown image
  2109. cmd := exec.Command(dockerBinary, "run", "asdfsg")
  2110. stdout := bytes.NewBuffer(nil)
  2111. cmd.Stdout = stdout
  2112. if err := cmd.Run(); err == nil {
  2113. c.Fatal("Run with unknown image should fail")
  2114. }
  2115. if stdout.Len() != 0 {
  2116. c.Fatalf("Stdout contains output from pull: %s", stdout)
  2117. }
  2118. }
  2119. func (s *DockerSuite) TestRunVolumesCleanPaths(c *check.C) {
  2120. if _, err := buildImage("run_volumes_clean_paths",
  2121. `FROM busybox
  2122. VOLUME /foo/`,
  2123. true); err != nil {
  2124. c.Fatal(err)
  2125. }
  2126. cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths")
  2127. if out, _, err := runCommandWithOutput(cmd); err != nil {
  2128. c.Fatal(err, out)
  2129. }
  2130. out, err := inspectFieldMap("dark_helmet", "Volumes", "/foo/")
  2131. c.Assert(err, check.IsNil)
  2132. if out != "" {
  2133. c.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out)
  2134. }
  2135. out, err = inspectFieldMap("dark_helmet", "Volumes", "/foo")
  2136. c.Assert(err, check.IsNil)
  2137. if !strings.Contains(out, volumesStoragePath) {
  2138. c.Fatalf("Volume was not defined for /foo\n%q", out)
  2139. }
  2140. out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar/")
  2141. c.Assert(err, check.IsNil)
  2142. if out != "" {
  2143. c.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out)
  2144. }
  2145. out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar")
  2146. c.Assert(err, check.IsNil)
  2147. if !strings.Contains(out, volumesStoragePath) {
  2148. c.Fatalf("Volume was not defined for /bar\n%q", out)
  2149. }
  2150. }
  2151. // Regression test for #3631
  2152. func (s *DockerSuite) TestRunSlowStdoutConsumer(c *check.C) {
  2153. cont := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv")
  2154. stdout, err := cont.StdoutPipe()
  2155. if err != nil {
  2156. c.Fatal(err)
  2157. }
  2158. if err := cont.Start(); err != nil {
  2159. c.Fatal(err)
  2160. }
  2161. n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil)
  2162. if err != nil {
  2163. c.Fatal(err)
  2164. }
  2165. expected := 2 * 1024 * 2000
  2166. if n != expected {
  2167. c.Fatalf("Expected %d, got %d", expected, n)
  2168. }
  2169. }
  2170. func (s *DockerSuite) TestRunAllowPortRangeThroughExpose(c *check.C) {
  2171. cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top")
  2172. out, _, err := runCommandWithOutput(cmd)
  2173. if err != nil {
  2174. c.Fatal(err)
  2175. }
  2176. id := strings.TrimSpace(out)
  2177. portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
  2178. c.Assert(err, check.IsNil)
  2179. var ports nat.PortMap
  2180. if err = unmarshalJSON([]byte(portstr), &ports); err != nil {
  2181. c.Fatal(err)
  2182. }
  2183. for port, binding := range ports {
  2184. portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  2185. if portnum < 3000 || portnum > 3003 {
  2186. c.Fatalf("Port %d is out of range ", portnum)
  2187. }
  2188. if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  2189. c.Fatalf("Port is not mapped for the port %d", port)
  2190. }
  2191. }
  2192. if err := deleteContainer(id); err != nil {
  2193. c.Fatal(err)
  2194. }
  2195. }
  2196. // test docker run expose a invalid port
  2197. func (s *DockerSuite) TestRunExposePort(c *check.C) {
  2198. runCmd := exec.Command(dockerBinary, "run", "--expose", "80000", "busybox")
  2199. out, _, err := runCommandWithOutput(runCmd)
  2200. //expose a invalid port should with a error out
  2201. if err == nil || !strings.Contains(out, "Invalid range format for --expose") {
  2202. c.Fatalf("run --expose a invalid port should with error out")
  2203. }
  2204. }
  2205. func (s *DockerSuite) TestRunUnknownCommand(c *check.C) {
  2206. testRequires(c, NativeExecDriver)
  2207. runCmd := exec.Command(dockerBinary, "create", "busybox", "/bin/nada")
  2208. cID, _, _, err := runCommandWithStdoutStderr(runCmd)
  2209. if err != nil {
  2210. c.Fatalf("Failed to create container: %v, output: %q", err, cID)
  2211. }
  2212. cID = strings.TrimSpace(cID)
  2213. runCmd = exec.Command(dockerBinary, "start", cID)
  2214. _, _, _, _ = runCommandWithStdoutStderr(runCmd)
  2215. rc, err := inspectField(cID, "State.ExitCode")
  2216. c.Assert(err, check.IsNil)
  2217. if rc == "0" {
  2218. c.Fatalf("ExitCode(%v) cannot be 0", rc)
  2219. }
  2220. }
  2221. func (s *DockerSuite) TestRunModeIpcHost(c *check.C) {
  2222. testRequires(c, SameHostDaemon)
  2223. hostIpc, err := os.Readlink("/proc/1/ns/ipc")
  2224. if err != nil {
  2225. c.Fatal(err)
  2226. }
  2227. cmd := exec.Command(dockerBinary, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc")
  2228. out2, _, err := runCommandWithOutput(cmd)
  2229. if err != nil {
  2230. c.Fatal(err, out2)
  2231. }
  2232. out2 = strings.Trim(out2, "\n")
  2233. if hostIpc != out2 {
  2234. c.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out2)
  2235. }
  2236. cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/ipc")
  2237. out2, _, err = runCommandWithOutput(cmd)
  2238. if err != nil {
  2239. c.Fatal(err, out2)
  2240. }
  2241. out2 = strings.Trim(out2, "\n")
  2242. if hostIpc == out2 {
  2243. c.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out2)
  2244. }
  2245. }
  2246. func (s *DockerSuite) TestRunModeIpcContainer(c *check.C) {
  2247. testRequires(c, SameHostDaemon)
  2248. cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  2249. out, _, err := runCommandWithOutput(cmd)
  2250. if err != nil {
  2251. c.Fatal(err, out)
  2252. }
  2253. id := strings.TrimSpace(out)
  2254. state, err := inspectField(id, "State.Running")
  2255. c.Assert(err, check.IsNil)
  2256. if state != "true" {
  2257. c.Fatal("Container state is 'not running'")
  2258. }
  2259. pid1, err := inspectField(id, "State.Pid")
  2260. c.Assert(err, check.IsNil)
  2261. parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1))
  2262. if err != nil {
  2263. c.Fatal(err)
  2264. }
  2265. cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc")
  2266. out2, _, err := runCommandWithOutput(cmd)
  2267. if err != nil {
  2268. c.Fatal(err, out2)
  2269. }
  2270. out2 = strings.Trim(out2, "\n")
  2271. if parentContainerIpc != out2 {
  2272. c.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out2)
  2273. }
  2274. }
  2275. func (s *DockerSuite) TestRunModeIpcContainerNotExists(c *check.C) {
  2276. cmd := exec.Command(dockerBinary, "run", "-d", "--ipc", "container:abcd1234", "busybox", "top")
  2277. out, _, err := runCommandWithOutput(cmd)
  2278. if !strings.Contains(out, "abcd1234") || err == nil {
  2279. c.Fatalf("run IPC from a non exists container should with correct error out")
  2280. }
  2281. }
  2282. func (s *DockerSuite) TestContainerNetworkMode(c *check.C) {
  2283. testRequires(c, SameHostDaemon)
  2284. cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
  2285. out, _, err := runCommandWithOutput(cmd)
  2286. if err != nil {
  2287. c.Fatal(err, out)
  2288. }
  2289. id := strings.TrimSpace(out)
  2290. if err := waitRun(id); err != nil {
  2291. c.Fatal(err)
  2292. }
  2293. pid1, err := inspectField(id, "State.Pid")
  2294. c.Assert(err, check.IsNil)
  2295. parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
  2296. if err != nil {
  2297. c.Fatal(err)
  2298. }
  2299. cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net")
  2300. out2, _, err := runCommandWithOutput(cmd)
  2301. if err != nil {
  2302. c.Fatal(err, out2)
  2303. }
  2304. out2 = strings.Trim(out2, "\n")
  2305. if parentContainerNet != out2 {
  2306. c.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out2)
  2307. }
  2308. }
  2309. func (s *DockerSuite) TestContainerNetworkModeToSelf(c *check.C) {
  2310. cmd := exec.Command(dockerBinary, "run", "--name=me", "--net=container:me", "busybox", "true")
  2311. out, _, err := runCommandWithOutput(cmd)
  2312. if err == nil || !strings.Contains(out, "cannot join own network") {
  2313. c.Fatalf("using container net mode to self should result in an error")
  2314. }
  2315. }
  2316. func (s *DockerSuite) TestRunModePidHost(c *check.C) {
  2317. testRequires(c, NativeExecDriver, SameHostDaemon)
  2318. hostPid, err := os.Readlink("/proc/1/ns/pid")
  2319. if err != nil {
  2320. c.Fatal(err)
  2321. }
  2322. cmd := exec.Command(dockerBinary, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid")
  2323. out2, _, err := runCommandWithOutput(cmd)
  2324. if err != nil {
  2325. c.Fatal(err, out2)
  2326. }
  2327. out2 = strings.Trim(out2, "\n")
  2328. if hostPid != out2 {
  2329. c.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out2)
  2330. }
  2331. cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/pid")
  2332. out2, _, err = runCommandWithOutput(cmd)
  2333. if err != nil {
  2334. c.Fatal(err, out2)
  2335. }
  2336. out2 = strings.Trim(out2, "\n")
  2337. if hostPid == out2 {
  2338. c.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out2)
  2339. }
  2340. }
  2341. func (s *DockerSuite) TestRunModeUTSHost(c *check.C) {
  2342. testRequires(c, NativeExecDriver, SameHostDaemon)
  2343. defer deleteAllContainers()
  2344. hostUTS, err := os.Readlink("/proc/1/ns/uts")
  2345. if err != nil {
  2346. c.Fatal(err)
  2347. }
  2348. cmd := exec.Command(dockerBinary, "run", "--uts=host", "busybox", "readlink", "/proc/self/ns/uts")
  2349. out2, _, err := runCommandWithOutput(cmd)
  2350. if err != nil {
  2351. c.Fatal(err, out2)
  2352. }
  2353. out2 = strings.Trim(out2, "\n")
  2354. if hostUTS != out2 {
  2355. c.Fatalf("UTS different with --uts=host %s != %s\n", hostUTS, out2)
  2356. }
  2357. cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/uts")
  2358. out2, _, err = runCommandWithOutput(cmd)
  2359. if err != nil {
  2360. c.Fatal(err, out2)
  2361. }
  2362. out2 = strings.Trim(out2, "\n")
  2363. if hostUTS == out2 {
  2364. c.Fatalf("UTS should be different without --uts=host %s == %s\n", hostUTS, out2)
  2365. }
  2366. }
  2367. func (s *DockerSuite) TestRunTLSverify(c *check.C) {
  2368. cmd := exec.Command(dockerBinary, "ps")
  2369. out, ec, err := runCommandWithOutput(cmd)
  2370. if err != nil || ec != 0 {
  2371. c.Fatalf("Should have worked: %v:\n%v", err, out)
  2372. }
  2373. // Regardless of whether we specify true or false we need to
  2374. // test to make sure tls is turned on if --tlsverify is specified at all
  2375. cmd = exec.Command(dockerBinary, "--tlsverify=false", "ps")
  2376. out, ec, err = runCommandWithOutput(cmd)
  2377. if err == nil || ec == 0 || !strings.Contains(out, "trying to connect") {
  2378. c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", ec, out, err)
  2379. }
  2380. cmd = exec.Command(dockerBinary, "--tlsverify=true", "ps")
  2381. out, ec, err = runCommandWithOutput(cmd)
  2382. if err == nil || ec == 0 || !strings.Contains(out, "cert") {
  2383. c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", ec, out, err)
  2384. }
  2385. }
  2386. func (s *DockerSuite) TestRunPortFromDockerRangeInUse(c *check.C) {
  2387. // first find allocator current position
  2388. cmd := exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
  2389. out, _, err := runCommandWithOutput(cmd)
  2390. if err != nil {
  2391. c.Fatal(out, err)
  2392. }
  2393. id := strings.TrimSpace(out)
  2394. cmd = exec.Command(dockerBinary, "port", id)
  2395. out, _, err = runCommandWithOutput(cmd)
  2396. if err != nil {
  2397. c.Fatal(out, err)
  2398. }
  2399. out = strings.TrimSpace(out)
  2400. if out == "" {
  2401. c.Fatal("docker port command output is empty")
  2402. }
  2403. out = strings.Split(out, ":")[1]
  2404. lastPort, err := strconv.Atoi(out)
  2405. if err != nil {
  2406. c.Fatal(err)
  2407. }
  2408. port := lastPort + 1
  2409. l, err := net.Listen("tcp", ":"+strconv.Itoa(port))
  2410. if err != nil {
  2411. c.Fatal(err)
  2412. }
  2413. defer l.Close()
  2414. cmd = exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top")
  2415. out, _, err = runCommandWithOutput(cmd)
  2416. if err != nil {
  2417. c.Fatalf(out, err)
  2418. }
  2419. id = strings.TrimSpace(out)
  2420. cmd = exec.Command(dockerBinary, "port", id)
  2421. out, _, err = runCommandWithOutput(cmd)
  2422. if err != nil {
  2423. c.Fatal(out, err)
  2424. }
  2425. }
  2426. func (s *DockerSuite) TestRunTtyWithPipe(c *check.C) {
  2427. errChan := make(chan error)
  2428. go func() {
  2429. defer close(errChan)
  2430. cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true")
  2431. if _, err := cmd.StdinPipe(); err != nil {
  2432. errChan <- err
  2433. return
  2434. }
  2435. expected := "cannot enable tty mode"
  2436. if out, _, err := runCommandWithOutput(cmd); err == nil {
  2437. errChan <- fmt.Errorf("run should have failed")
  2438. return
  2439. } else if !strings.Contains(out, expected) {
  2440. errChan <- fmt.Errorf("run failed with error %q: expected %q", out, expected)
  2441. return
  2442. }
  2443. }()
  2444. select {
  2445. case err := <-errChan:
  2446. c.Assert(err, check.IsNil)
  2447. case <-time.After(3 * time.Second):
  2448. c.Fatal("container is running but should have failed")
  2449. }
  2450. }
  2451. func (s *DockerSuite) TestRunNonLocalMacAddress(c *check.C) {
  2452. addr := "00:16:3E:08:00:50"
  2453. cmd := exec.Command(dockerBinary, "run", "--mac-address", addr, "busybox", "ifconfig")
  2454. if out, _, err := runCommandWithOutput(cmd); err != nil || !strings.Contains(out, addr) {
  2455. c.Fatalf("Output should have contained %q: %s, %v", addr, out, err)
  2456. }
  2457. }
  2458. func (s *DockerSuite) TestRunNetHost(c *check.C) {
  2459. testRequires(c, SameHostDaemon)
  2460. hostNet, err := os.Readlink("/proc/1/ns/net")
  2461. if err != nil {
  2462. c.Fatal(err)
  2463. }
  2464. cmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net")
  2465. out2, _, err := runCommandWithOutput(cmd)
  2466. if err != nil {
  2467. c.Fatal(err, out2)
  2468. }
  2469. out2 = strings.Trim(out2, "\n")
  2470. if hostNet != out2 {
  2471. c.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out2)
  2472. }
  2473. cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/net")
  2474. out2, _, err = runCommandWithOutput(cmd)
  2475. if err != nil {
  2476. c.Fatal(err, out2)
  2477. }
  2478. out2 = strings.Trim(out2, "\n")
  2479. if hostNet == out2 {
  2480. c.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out2)
  2481. }
  2482. }
  2483. func (s *DockerSuite) TestRunNetContainerWhichHost(c *check.C) {
  2484. testRequires(c, SameHostDaemon)
  2485. hostNet, err := os.Readlink("/proc/1/ns/net")
  2486. if err != nil {
  2487. c.Fatal(err)
  2488. }
  2489. cmd := exec.Command(dockerBinary, "run", "-d", "--net=host", "--name=test", "busybox", "top")
  2490. out, _, err := runCommandWithOutput(cmd)
  2491. if err != nil {
  2492. c.Fatal(err, out)
  2493. }
  2494. cmd = exec.Command(dockerBinary, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net")
  2495. out, _, err = runCommandWithOutput(cmd)
  2496. if err != nil {
  2497. c.Fatal(err, out)
  2498. }
  2499. out = strings.Trim(out, "\n")
  2500. if hostNet != out {
  2501. c.Fatalf("Container should have host network namespace")
  2502. }
  2503. }
  2504. func (s *DockerSuite) TestRunAllowPortRangeThroughPublish(c *check.C) {
  2505. cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top")
  2506. out, _, err := runCommandWithOutput(cmd)
  2507. id := strings.TrimSpace(out)
  2508. portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
  2509. c.Assert(err, check.IsNil)
  2510. var ports nat.PortMap
  2511. err = unmarshalJSON([]byte(portstr), &ports)
  2512. for port, binding := range ports {
  2513. portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  2514. if portnum < 3000 || portnum > 3003 {
  2515. c.Fatalf("Port %d is out of range ", portnum)
  2516. }
  2517. if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  2518. c.Fatal("Port is not mapped for the port "+port, out)
  2519. }
  2520. }
  2521. }
  2522. func (s *DockerSuite) TestRunOOMExitCode(c *check.C) {
  2523. errChan := make(chan error)
  2524. go func() {
  2525. defer close(errChan)
  2526. runCmd := exec.Command(dockerBinary, "run", "-m", "4MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done")
  2527. out, exitCode, _ := runCommandWithOutput(runCmd)
  2528. if expected := 137; exitCode != expected {
  2529. errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
  2530. }
  2531. }()
  2532. select {
  2533. case err := <-errChan:
  2534. c.Assert(err, check.IsNil)
  2535. case <-time.After(30 * time.Second):
  2536. c.Fatal("Timeout waiting for container to die on OOM")
  2537. }
  2538. }
  2539. func (s *DockerSuite) TestRunSetDefaultRestartPolicy(c *check.C) {
  2540. runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "test", "busybox", "top")
  2541. if out, _, err := runCommandWithOutput(runCmd); err != nil {
  2542. c.Fatalf("failed to run container: %v, output: %q", err, out)
  2543. }
  2544. out, err := inspectField("test", "HostConfig.RestartPolicy.Name")
  2545. c.Assert(err, check.IsNil)
  2546. if out != "no" {
  2547. c.Fatalf("Set default restart policy failed")
  2548. }
  2549. }
  2550. func (s *DockerSuite) TestRunRestartMaxRetries(c *check.C) {
  2551. out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "false").CombinedOutput()
  2552. if err != nil {
  2553. c.Fatal(string(out), err)
  2554. }
  2555. id := strings.TrimSpace(string(out))
  2556. if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 10); err != nil {
  2557. c.Fatal(err)
  2558. }
  2559. count, err := inspectField(id, "RestartCount")
  2560. c.Assert(err, check.IsNil)
  2561. if count != "3" {
  2562. c.Fatalf("Container was restarted %s times, expected %d", count, 3)
  2563. }
  2564. MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount")
  2565. c.Assert(err, check.IsNil)
  2566. if MaximumRetryCount != "3" {
  2567. c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3")
  2568. }
  2569. }
  2570. func (s *DockerSuite) TestRunContainerWithWritableRootfs(c *check.C) {
  2571. out, err := exec.Command(dockerBinary, "run", "--rm", "busybox", "touch", "/file").CombinedOutput()
  2572. if err != nil {
  2573. c.Fatal(string(out), err)
  2574. }
  2575. }
  2576. func (s *DockerSuite) TestRunContainerWithReadonlyRootfs(c *check.C) {
  2577. testRequires(c, NativeExecDriver)
  2578. for _, f := range []string{"/file", "/etc/hosts", "/etc/resolv.conf", "/etc/hostname"} {
  2579. testReadOnlyFile(f, c)
  2580. }
  2581. }
  2582. func testReadOnlyFile(filename string, c *check.C) {
  2583. testRequires(c, NativeExecDriver)
  2584. out, err := exec.Command(dockerBinary, "run", "--read-only", "--rm", "busybox", "touch", filename).CombinedOutput()
  2585. if err == nil {
  2586. c.Fatal("expected container to error on run with read only error")
  2587. }
  2588. expected := "Read-only file system"
  2589. if !strings.Contains(string(out), expected) {
  2590. c.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
  2591. }
  2592. }
  2593. func (s *DockerSuite) TestRunContainerWithReadonlyEtcHostsAndLinkedContainer(c *check.C) {
  2594. testRequires(c, NativeExecDriver)
  2595. _, err := runCommand(exec.Command(dockerBinary, "run", "-d", "--name", "test-etc-hosts-ro-linked", "busybox", "top"))
  2596. c.Assert(err, check.IsNil)
  2597. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--read-only", "--link", "test-etc-hosts-ro-linked:testlinked", "busybox", "cat", "/etc/hosts"))
  2598. c.Assert(err, check.IsNil)
  2599. if !strings.Contains(string(out), "testlinked") {
  2600. c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled")
  2601. }
  2602. }
  2603. func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithDnsFlag(c *check.C) {
  2604. testRequires(c, NativeExecDriver)
  2605. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--read-only", "--dns", "1.1.1.1", "busybox", "/bin/cat", "/etc/resolv.conf"))
  2606. c.Assert(err, check.IsNil)
  2607. if !strings.Contains(string(out), "1.1.1.1") {
  2608. c.Fatal("Expected /etc/resolv.conf to be updated even if --read-only enabled and --dns flag used")
  2609. }
  2610. }
  2611. func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithAddHostFlag(c *check.C) {
  2612. testRequires(c, NativeExecDriver)
  2613. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--read-only", "--add-host", "testreadonly:127.0.0.1", "busybox", "/bin/cat", "/etc/hosts"))
  2614. c.Assert(err, check.IsNil)
  2615. if !strings.Contains(string(out), "testreadonly") {
  2616. c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled and --add-host flag used")
  2617. }
  2618. }
  2619. func (s *DockerSuite) TestRunVolumesFromRestartAfterRemoved(c *check.C) {
  2620. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "voltest", "-v", "/foo", "busybox"))
  2621. if err != nil {
  2622. c.Fatal(out, err)
  2623. }
  2624. out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "restarter", "--volumes-from", "voltest", "busybox", "top"))
  2625. if err != nil {
  2626. c.Fatal(out, err)
  2627. }
  2628. // Remove the main volume container and restart the consuming container
  2629. out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "rm", "-f", "voltest"))
  2630. if err != nil {
  2631. c.Fatal(out, err)
  2632. }
  2633. // This should not fail since the volumes-from were already applied
  2634. out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "restart", "restarter"))
  2635. if err != nil {
  2636. c.Fatalf("expected container to restart successfully: %v\n%s", err, out)
  2637. }
  2638. }
  2639. // run container with --rm should remove container if exit code != 0
  2640. func (s *DockerSuite) TestRunContainerWithRmFlagExitCodeNotEqualToZero(c *check.C) {
  2641. name := "flowers"
  2642. runCmd := exec.Command(dockerBinary, "run", "--name", name, "--rm", "busybox", "ls", "/notexists")
  2643. out, _, err := runCommandWithOutput(runCmd)
  2644. if err == nil {
  2645. c.Fatal("Expected docker run to fail", out, err)
  2646. }
  2647. out, err = getAllContainers()
  2648. if err != nil {
  2649. c.Fatal(out, err)
  2650. }
  2651. if out != "" {
  2652. c.Fatal("Expected not to have containers", out)
  2653. }
  2654. }
  2655. func (s *DockerSuite) TestRunContainerWithRmFlagCannotStartContainer(c *check.C) {
  2656. name := "sparkles"
  2657. runCmd := exec.Command(dockerBinary, "run", "--name", name, "--rm", "busybox", "commandNotFound")
  2658. out, _, err := runCommandWithOutput(runCmd)
  2659. if err == nil {
  2660. c.Fatal("Expected docker run to fail", out, err)
  2661. }
  2662. out, err = getAllContainers()
  2663. if err != nil {
  2664. c.Fatal(out, err)
  2665. }
  2666. if out != "" {
  2667. c.Fatal("Expected not to have containers", out)
  2668. }
  2669. }
  2670. func (s *DockerSuite) TestRunPidHostWithChildIsKillable(c *check.C) {
  2671. name := "ibuildthecloud"
  2672. if out, err := exec.Command(dockerBinary, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi").CombinedOutput(); err != nil {
  2673. c.Fatal(err, out)
  2674. }
  2675. time.Sleep(1 * time.Second)
  2676. errchan := make(chan error)
  2677. go func() {
  2678. if out, err := exec.Command(dockerBinary, "kill", name).CombinedOutput(); err != nil {
  2679. errchan <- fmt.Errorf("%v:\n%s", err, out)
  2680. }
  2681. close(errchan)
  2682. }()
  2683. select {
  2684. case err := <-errchan:
  2685. c.Assert(err, check.IsNil)
  2686. case <-time.After(5 * time.Second):
  2687. c.Fatal("Kill container timed out")
  2688. }
  2689. }
  2690. func (s *DockerSuite) TestRunWithTooSmallMemoryLimit(c *check.C) {
  2691. defer deleteAllContainers()
  2692. // this memory limit is 1 byte less than the min, which is 4MB
  2693. // https://github.com/docker/docker/blob/v1.5.0/daemon/create.go#L22
  2694. out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-m", "4194303", "busybox"))
  2695. if err == nil || !strings.Contains(out, "Minimum memory limit allowed is 4MB") {
  2696. c.Fatalf("expected run to fail when using too low a memory limit: %q", out)
  2697. }
  2698. }
  2699. func (s *DockerSuite) TestRunWriteToProcAsound(c *check.C) {
  2700. defer deleteAllContainers()
  2701. code, err := runCommand(exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "echo 111 >> /proc/asound/version"))
  2702. if err == nil || code == 0 {
  2703. c.Fatal("standard container should not be able to write to /proc/asound")
  2704. }
  2705. }
  2706. func (s *DockerSuite) TestRunReadProcTimer(c *check.C) {
  2707. testRequires(c, NativeExecDriver)
  2708. defer deleteAllContainers()
  2709. out, code, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "busybox", "cat", "/proc/timer_stats"))
  2710. if err != nil || code != 0 {
  2711. c.Fatal(err)
  2712. }
  2713. if strings.Trim(out, "\n ") != "" {
  2714. c.Fatalf("expected to receive no output from /proc/timer_stats but received %q", out)
  2715. }
  2716. }
  2717. func (s *DockerSuite) TestRunReadProcLatency(c *check.C) {
  2718. testRequires(c, NativeExecDriver)
  2719. // some kernels don't have this configured so skip the test if this file is not found
  2720. // on the host running the tests.
  2721. if _, err := os.Stat("/proc/latency_stats"); err != nil {
  2722. c.Skip("kernel doesnt have latency_stats configured")
  2723. return
  2724. }
  2725. defer deleteAllContainers()
  2726. out, code, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "busybox", "cat", "/proc/latency_stats"))
  2727. if err != nil || code != 0 {
  2728. c.Fatal(err)
  2729. }
  2730. if strings.Trim(out, "\n ") != "" {
  2731. c.Fatalf("expected to receive no output from /proc/latency_stats but received %q", out)
  2732. }
  2733. }
  2734. func (s *DockerSuite) TestMountIntoProc(c *check.C) {
  2735. testRequires(c, NativeExecDriver)
  2736. defer deleteAllContainers()
  2737. code, err := runCommand(exec.Command(dockerBinary, "run", "-v", "/proc//sys", "busybox", "true"))
  2738. if err == nil || code == 0 {
  2739. c.Fatal("container should not be able to mount into /proc")
  2740. }
  2741. }
  2742. func (s *DockerSuite) TestMountIntoSys(c *check.C) {
  2743. testRequires(c, NativeExecDriver)
  2744. defer deleteAllContainers()
  2745. _, err := runCommand(exec.Command(dockerBinary, "run", "-v", "/sys/fs/cgroup", "busybox", "true"))
  2746. if err != nil {
  2747. c.Fatal("container should be able to mount into /sys/fs/cgroup")
  2748. }
  2749. }