docker_cli_run_test.go 83 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162116311641165116611671168116911701171117211731174117511761177117811791180118111821183118411851186118711881189119011911192119311941195119611971198119912001201120212031204120512061207120812091210121112121213121412151216121712181219122012211222122312241225122612271228122912301231123212331234123512361237123812391240124112421243124412451246124712481249125012511252125312541255125612571258125912601261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330133113321333133413351336133713381339134013411342134313441345134613471348134913501351135213531354135513561357135813591360136113621363136413651366136713681369137013711372137313741375137613771378137913801381138213831384138513861387138813891390139113921393139413951396139713981399140014011402140314041405140614071408140914101411141214131414141514161417141814191420142114221423142414251426142714281429143014311432143314341435143614371438143914401441144214431444144514461447144814491450145114521453145414551456145714581459146014611462146314641465146614671468146914701471147214731474147514761477147814791480148114821483148414851486148714881489149014911492149314941495149614971498149915001501150215031504150515061507150815091510151115121513151415151516151715181519152015211522152315241525152615271528152915301531153215331534153515361537153815391540154115421543154415451546154715481549155015511552155315541555155615571558155915601561156215631564156515661567156815691570157115721573157415751576157715781579158015811582158315841585158615871588158915901591159215931594159515961597159815991600160116021603160416051606160716081609161016111612161316141615161616171618161916201621162216231624162516261627162816291630163116321633163416351636163716381639164016411642164316441645164616471648164916501651165216531654165516561657165816591660166116621663166416651666166716681669167016711672167316741675167616771678167916801681168216831684168516861687168816891690169116921693169416951696169716981699170017011702170317041705170617071708170917101711171217131714171517161717171817191720172117221723172417251726172717281729173017311732173317341735173617371738173917401741174217431744174517461747174817491750175117521753175417551756175717581759176017611762176317641765176617671768176917701771177217731774177517761777177817791780178117821783178417851786178717881789179017911792179317941795179617971798179918001801180218031804180518061807180818091810181118121813181418151816181718181819182018211822182318241825182618271828182918301831183218331834183518361837183818391840184118421843184418451846184718481849185018511852185318541855185618571858185918601861186218631864186518661867186818691870187118721873187418751876187718781879188018811882188318841885188618871888188918901891189218931894189518961897189818991900190119021903190419051906190719081909191019111912191319141915191619171918191919201921192219231924192519261927192819291930193119321933193419351936193719381939194019411942194319441945194619471948194919501951195219531954195519561957195819591960196119621963196419651966196719681969197019711972197319741975197619771978197919801981198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026202720282029203020312032203320342035203620372038203920402041204220432044204520462047204820492050205120522053205420552056205720582059206020612062206320642065206620672068206920702071207220732074207520762077207820792080208120822083208420852086208720882089209020912092209320942095209620972098209921002101210221032104210521062107210821092110211121122113211421152116211721182119212021212122212321242125212621272128212921302131213221332134213521362137213821392140214121422143214421452146214721482149215021512152215321542155215621572158215921602161216221632164216521662167216821692170217121722173217421752176217721782179218021812182218321842185218621872188218921902191219221932194219521962197219821992200220122022203220422052206220722082209221022112212221322142215221622172218221922202221222222232224222522262227222822292230223122322233223422352236223722382239224022412242224322442245224622472248224922502251225222532254225522562257225822592260226122622263226422652266226722682269227022712272227322742275227622772278227922802281228222832284228522862287228822892290229122922293229422952296229722982299230023012302230323042305230623072308230923102311231223132314231523162317231823192320232123222323232423252326232723282329233023312332233323342335233623372338233923402341234223432344234523462347234823492350235123522353235423552356235723582359236023612362236323642365236623672368236923702371237223732374237523762377237823792380238123822383238423852386238723882389239023912392239323942395239623972398239924002401240224032404240524062407240824092410241124122413241424152416241724182419242024212422242324242425242624272428242924302431243224332434243524362437243824392440244124422443244424452446244724482449245024512452245324542455245624572458245924602461246224632464246524662467246824692470247124722473247424752476247724782479248024812482248324842485248624872488248924902491249224932494249524962497249824992500250125022503250425052506250725082509251025112512251325142515251625172518
  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/pkg/nat"
  20. "github.com/docker/libnetwork/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. out, _ := dockerCmd(c, "run", "busybox", "echo", "test123")
  26. if out != "test123\n" {
  27. c.Fatalf("container should've printed 'test123'")
  28. }
  29. }
  30. // "test" should be printed
  31. func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) {
  32. out, _, _ := dockerCmdWithStdoutStderr(c, "run", "-m", "16m", "busybox", "echo", "test")
  33. out = strings.Trim(out, "\r\n")
  34. if expected := "test"; out != expected {
  35. c.Fatalf("container should've printed %q but printed %q", expected, out)
  36. }
  37. }
  38. // should run without memory swap
  39. func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) {
  40. testRequires(c, NativeExecDriver)
  41. dockerCmd(c, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")
  42. }
  43. func (s *DockerSuite) TestRunWithSwappiness(c *check.C) {
  44. dockerCmd(c, "run", "--memory-swappiness", "0", "busybox", "true")
  45. }
  46. func (s *DockerSuite) TestRunWithSwappinessInvalid(c *check.C) {
  47. out, _, err := dockerCmdWithError(c, "run", "--memory-swappiness", "101", "busybox", "true")
  48. if err == nil {
  49. c.Fatalf("failed. test was able to set invalid value, output: %q", out)
  50. }
  51. }
  52. // "test" should be printed
  53. func (s *DockerSuite) TestRunEchoStdoutWitCPULimit(c *check.C) {
  54. out, _ := dockerCmd(c, "run", "-c", "1000", "busybox", "echo", "test")
  55. if out != "test\n" {
  56. c.Errorf("container should've printed 'test'")
  57. }
  58. }
  59. // "test" should be printed
  60. func (s *DockerSuite) TestRunEchoStdoutWithCPUAndMemoryLimit(c *check.C) {
  61. out, _, _ := dockerCmdWithStdoutStderr(c, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test")
  62. if out != "test\n" {
  63. c.Errorf("container should've printed 'test', got %q instead", out)
  64. }
  65. }
  66. // "test" should be printed
  67. func (s *DockerSuite) TestRunEchoNamedContainer(c *check.C) {
  68. out, _ := dockerCmd(c, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test")
  69. if out != "test\n" {
  70. c.Errorf("container should've printed 'test'")
  71. }
  72. }
  73. // docker run should not leak file descriptors
  74. func (s *DockerSuite) TestRunLeakyFileDescriptors(c *check.C) {
  75. out, _ := dockerCmd(c, "run", "busybox", "ls", "-C", "/proc/self/fd")
  76. // normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory
  77. if out != "0 1 2 3\n" {
  78. c.Errorf("container should've printed '0 1 2 3', not: %s", out)
  79. }
  80. }
  81. // it should be possible to lookup Google DNS
  82. // this will fail when Internet access is unavailable
  83. func (s *DockerSuite) TestRunLookupGoogleDns(c *check.C) {
  84. testRequires(c, Network)
  85. dockerCmd(c, "run", "busybox", "nslookup", "google.com")
  86. }
  87. // the exit code should be 0
  88. // some versions of lxc might make this test fail
  89. func (s *DockerSuite) TestRunExitCodeZero(c *check.C) {
  90. dockerCmd(c, "run", "busybox", "true")
  91. }
  92. // the exit code should be 1
  93. // some versions of lxc might make this test fail
  94. func (s *DockerSuite) TestRunExitCodeOne(c *check.C) {
  95. _, exitCode, err := dockerCmdWithError(c, "run", "busybox", "false")
  96. if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) {
  97. c.Fatal(err)
  98. }
  99. if exitCode != 1 {
  100. c.Errorf("container should've exited with exit code 1")
  101. }
  102. }
  103. // it should be possible to pipe in data via stdin to a process running in a container
  104. // some versions of lxc might make this test fail
  105. func (s *DockerSuite) TestRunStdinPipe(c *check.C) {
  106. runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "cat")
  107. runCmd.Stdin = strings.NewReader("blahblah")
  108. out, _, _, err := runCommandWithStdoutStderr(runCmd)
  109. if err != nil {
  110. c.Fatalf("failed to run container: %v, output: %q", err, out)
  111. }
  112. out = strings.TrimSpace(out)
  113. dockerCmd(c, "wait", out)
  114. logsOut, _ := dockerCmd(c, "logs", out)
  115. containerLogs := strings.TrimSpace(logsOut)
  116. if containerLogs != "blahblah" {
  117. c.Errorf("logs didn't print the container's logs %s", containerLogs)
  118. }
  119. dockerCmd(c, "rm", out)
  120. }
  121. // the container's ID should be printed when starting a container in detached mode
  122. func (s *DockerSuite) TestRunDetachedContainerIDPrinting(c *check.C) {
  123. out, _ := dockerCmd(c, "run", "-d", "busybox", "true")
  124. out = strings.TrimSpace(out)
  125. dockerCmd(c, "wait", out)
  126. rmOut, _ := dockerCmd(c, "rm", out)
  127. rmOut = strings.TrimSpace(rmOut)
  128. if rmOut != out {
  129. c.Errorf("rm didn't print the container ID %s %s", out, rmOut)
  130. }
  131. }
  132. // the working directory should be set correctly
  133. func (s *DockerSuite) TestRunWorkingDirectory(c *check.C) {
  134. out, _ := dockerCmd(c, "run", "-w", "/root", "busybox", "pwd")
  135. out = strings.TrimSpace(out)
  136. if out != "/root" {
  137. c.Errorf("-w failed to set working directory")
  138. }
  139. out, _ = dockerCmd(c, "run", "--workdir", "/root", "busybox", "pwd")
  140. out = strings.TrimSpace(out)
  141. if out != "/root" {
  142. c.Errorf("--workdir failed to set working directory")
  143. }
  144. }
  145. // pinging Google's DNS resolver should fail when we disable the networking
  146. func (s *DockerSuite) TestRunWithoutNetworking(c *check.C) {
  147. out, exitCode, err := dockerCmdWithError(c, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8")
  148. if err != nil && exitCode != 1 {
  149. c.Fatal(out, err)
  150. }
  151. if exitCode != 1 {
  152. c.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
  153. }
  154. out, exitCode, err = dockerCmdWithError(c, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8")
  155. if err != nil && exitCode != 1 {
  156. c.Fatal(out, err)
  157. }
  158. if exitCode != 1 {
  159. c.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8")
  160. }
  161. }
  162. //test --link use container name to link target
  163. func (s *DockerSuite) TestRunLinksContainerWithContainerName(c *check.C) {
  164. dockerCmd(c, "run", "-i", "-t", "-d", "--name", "parent", "busybox")
  165. ip, err := inspectField("parent", "NetworkSettings.IPAddress")
  166. c.Assert(err, check.IsNil)
  167. out, _ := dockerCmd(c, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts")
  168. if !strings.Contains(out, ip+" test") {
  169. c.Fatalf("use a container name to link target failed")
  170. }
  171. }
  172. //test --link use container id to link target
  173. func (s *DockerSuite) TestRunLinksContainerWithContainerId(c *check.C) {
  174. cID, _ := dockerCmd(c, "run", "-i", "-t", "-d", "busybox")
  175. cID = strings.TrimSpace(cID)
  176. ip, err := inspectField(cID, "NetworkSettings.IPAddress")
  177. c.Assert(err, check.IsNil)
  178. out, _ := dockerCmd(c, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts")
  179. if !strings.Contains(out, ip+" test") {
  180. c.Fatalf("use a container id to link target failed")
  181. }
  182. }
  183. // Regression test for #4979
  184. func (s *DockerSuite) TestRunWithVolumesFromExited(c *check.C) {
  185. out, exitCode := dockerCmd(c, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file")
  186. if exitCode != 0 {
  187. c.Fatal("1", out, exitCode)
  188. }
  189. out, exitCode = dockerCmd(c, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file")
  190. if exitCode != 0 {
  191. c.Fatal("2", out, exitCode)
  192. }
  193. }
  194. // Volume path is a symlink which also exists on the host, and the host side is a file not a dir
  195. // But the volume call is just a normal volume, not a bind mount
  196. func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir(c *check.C) {
  197. testRequires(c, SameHostDaemon)
  198. testRequires(c, NativeExecDriver)
  199. name := "test-volume-symlink"
  200. dir, err := ioutil.TempDir("", name)
  201. if err != nil {
  202. c.Fatal(err)
  203. }
  204. defer os.RemoveAll(dir)
  205. f, err := os.OpenFile(filepath.Join(dir, "test"), os.O_CREATE, 0700)
  206. if err != nil {
  207. c.Fatal(err)
  208. }
  209. f.Close()
  210. dockerFile := fmt.Sprintf("FROM busybox\nRUN mkdir -p %s\nRUN ln -s %s /test", dir, dir)
  211. if _, err := buildImage(name, dockerFile, false); err != nil {
  212. c.Fatal(err)
  213. }
  214. dockerCmd(c, "run", "-v", "/test/test", name)
  215. }
  216. func (s *DockerSuite) TestRunVolumesMountedAsReadonly(c *check.C) {
  217. if _, code, err := dockerCmdWithError(c, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile"); err == nil || code == 0 {
  218. c.Fatalf("run should fail because volume is ro: exit code %d", code)
  219. }
  220. }
  221. func (s *DockerSuite) TestRunVolumesFromInReadonlyMode(c *check.C) {
  222. dockerCmd(c, "run", "--name", "parent", "-v", "/test", "busybox", "true")
  223. if _, code, err := dockerCmdWithError(c, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file"); err == nil || code == 0 {
  224. c.Fatalf("run should fail because volume is ro: exit code %d", code)
  225. }
  226. }
  227. // Regression test for #1201
  228. func (s *DockerSuite) TestRunVolumesFromInReadWriteMode(c *check.C) {
  229. dockerCmd(c, "run", "--name", "parent", "-v", "/test", "busybox", "true")
  230. dockerCmd(c, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file")
  231. if out, _, err := dockerCmdWithError(c, "run", "--volumes-from", "parent:bar", "busybox", "touch", "/test/file"); err == nil || !strings.Contains(out, "invalid mode for volumes-from: bar") {
  232. c.Fatalf("running --volumes-from foo:bar should have failed with invalid mount mode: %q", out)
  233. }
  234. dockerCmd(c, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file")
  235. }
  236. func (s *DockerSuite) TestVolumesFromGetsProperMode(c *check.C) {
  237. dockerCmd(c, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true")
  238. // Expect this "rw" mode to be be ignored since the inherited volume is "ro"
  239. if _, _, err := dockerCmdWithError(c, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file"); err == nil {
  240. c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`")
  241. }
  242. dockerCmd(c, "run", "--name", "parent2", "-v", "/test:/test:ro", "busybox", "true")
  243. // Expect this to be read-only since both are "ro"
  244. if _, _, err := dockerCmdWithError(c, "run", "--volumes-from", "parent2:ro", "busybox", "touch", "/test/file"); err == nil {
  245. c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`")
  246. }
  247. }
  248. // Test for GH#10618
  249. func (s *DockerSuite) TestRunNoDupVolumes(c *check.C) {
  250. mountstr1 := randomUnixTmpDirPath("test1") + ":/someplace"
  251. mountstr2 := randomUnixTmpDirPath("test2") + ":/someplace"
  252. if out, _, err := dockerCmdWithError(c, "run", "-v", mountstr1, "-v", mountstr2, "busybox", "true"); err == nil {
  253. c.Fatal("Expected error about duplicate volume definitions")
  254. } else {
  255. if !strings.Contains(out, "Duplicate bind mount") {
  256. c.Fatalf("Expected 'duplicate volume' error, got %v", err)
  257. }
  258. }
  259. }
  260. // Test for #1351
  261. func (s *DockerSuite) TestRunApplyVolumesFromBeforeVolumes(c *check.C) {
  262. dockerCmd(c, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo")
  263. dockerCmd(c, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo")
  264. }
  265. func (s *DockerSuite) TestRunMultipleVolumesFrom(c *check.C) {
  266. dockerCmd(c, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo")
  267. dockerCmd(c, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar")
  268. dockerCmd(c, "run", "--volumes-from", "parent1", "--volumes-from", "parent2", "busybox", "sh", "-c", "cat /test/foo && cat /other/bar")
  269. }
  270. // this tests verifies the ID format for the container
  271. func (s *DockerSuite) TestRunVerifyContainerID(c *check.C) {
  272. out, exit, err := dockerCmdWithError(c, "run", "-d", "busybox", "true")
  273. if err != nil {
  274. c.Fatal(err)
  275. }
  276. if exit != 0 {
  277. c.Fatalf("expected exit code 0 received %d", exit)
  278. }
  279. match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n"))
  280. if err != nil {
  281. c.Fatal(err)
  282. }
  283. if !match {
  284. c.Fatalf("Invalid container ID: %s", out)
  285. }
  286. }
  287. // Test that creating a container with a volume doesn't crash. Regression test for #995.
  288. func (s *DockerSuite) TestRunCreateVolume(c *check.C) {
  289. dockerCmd(c, "run", "-v", "/var/lib/data", "busybox", "true")
  290. }
  291. // Test that creating a volume with a symlink in its path works correctly. Test for #5152.
  292. // Note that this bug happens only with symlinks with a target that starts with '/'.
  293. func (s *DockerSuite) TestRunCreateVolumeWithSymlink(c *check.C) {
  294. image := "docker-test-createvolumewithsymlink"
  295. buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-")
  296. buildCmd.Stdin = strings.NewReader(`FROM busybox
  297. RUN ln -s home /bar`)
  298. buildCmd.Dir = workingDirectory
  299. err := buildCmd.Run()
  300. if err != nil {
  301. c.Fatalf("could not build '%s': %v", image, err)
  302. }
  303. _, exitCode, err := dockerCmdWithError(c, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo")
  304. if err != nil || exitCode != 0 {
  305. c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
  306. }
  307. var volPath string
  308. volPath, exitCode, err = dockerCmdWithError(c, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-createvolumewithsymlink")
  309. if err != nil || exitCode != 0 {
  310. c.Fatalf("[inspect] err: %v, exitcode: %d", err, exitCode)
  311. }
  312. _, exitCode, err = dockerCmdWithError(c, "rm", "-v", "test-createvolumewithsymlink")
  313. if err != nil || exitCode != 0 {
  314. c.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode)
  315. }
  316. f, err := os.Open(volPath)
  317. defer f.Close()
  318. if !os.IsNotExist(err) {
  319. c.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath)
  320. }
  321. }
  322. // Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`.
  323. func (s *DockerSuite) TestRunVolumesFromSymlinkPath(c *check.C) {
  324. name := "docker-test-volumesfromsymlinkpath"
  325. buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-")
  326. buildCmd.Stdin = strings.NewReader(`FROM busybox
  327. RUN ln -s home /foo
  328. VOLUME ["/foo/bar"]`)
  329. buildCmd.Dir = workingDirectory
  330. err := buildCmd.Run()
  331. if err != nil {
  332. c.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err)
  333. }
  334. _, exitCode, err := dockerCmdWithError(c, "run", "--name", "test-volumesfromsymlinkpath", name)
  335. if err != nil || exitCode != 0 {
  336. c.Fatalf("[run] (volume) err: %v, exitcode: %d", err, exitCode)
  337. }
  338. _, exitCode, err = dockerCmdWithError(c, "run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls /foo | grep -q bar")
  339. if err != nil || exitCode != 0 {
  340. c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode)
  341. }
  342. }
  343. func (s *DockerSuite) TestRunExitCode(c *check.C) {
  344. _, exit, err := dockerCmdWithError(c, "run", "busybox", "/bin/sh", "-c", "exit 72")
  345. if err == nil {
  346. c.Fatal("should not have a non nil error")
  347. }
  348. if exit != 72 {
  349. c.Fatalf("expected exit code 72 received %d", exit)
  350. }
  351. }
  352. func (s *DockerSuite) TestRunUserDefaultsToRoot(c *check.C) {
  353. out, _ := dockerCmd(c, "run", "busybox", "id")
  354. if !strings.Contains(out, "uid=0(root) gid=0(root)") {
  355. c.Fatalf("expected root user got %s", out)
  356. }
  357. }
  358. func (s *DockerSuite) TestRunUserByName(c *check.C) {
  359. out, _ := dockerCmd(c, "run", "-u", "root", "busybox", "id")
  360. if !strings.Contains(out, "uid=0(root) gid=0(root)") {
  361. c.Fatalf("expected root user got %s", out)
  362. }
  363. }
  364. func (s *DockerSuite) TestRunUserByID(c *check.C) {
  365. out, _ := dockerCmd(c, "run", "-u", "1", "busybox", "id")
  366. if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") {
  367. c.Fatalf("expected daemon user got %s", out)
  368. }
  369. }
  370. func (s *DockerSuite) TestRunUserByIDBig(c *check.C) {
  371. out, _, err := dockerCmdWithError(c, "run", "-u", "2147483648", "busybox", "id")
  372. if err == nil {
  373. c.Fatal("No error, but must be.", out)
  374. }
  375. if !strings.Contains(out, "Uids and gids must be in range") {
  376. c.Fatalf("expected error about uids range, got %s", out)
  377. }
  378. }
  379. func (s *DockerSuite) TestRunUserByIDNegative(c *check.C) {
  380. out, _, err := dockerCmdWithError(c, "run", "-u", "-1", "busybox", "id")
  381. if err == nil {
  382. c.Fatal("No error, but must be.", out)
  383. }
  384. if !strings.Contains(out, "Uids and gids must be in range") {
  385. c.Fatalf("expected error about uids range, got %s", out)
  386. }
  387. }
  388. func (s *DockerSuite) TestRunUserByIDZero(c *check.C) {
  389. out, _, err := dockerCmdWithError(c, "run", "-u", "0", "busybox", "id")
  390. if err != nil {
  391. c.Fatal(err, out)
  392. }
  393. if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") {
  394. c.Fatalf("expected daemon user got %s", out)
  395. }
  396. }
  397. func (s *DockerSuite) TestRunUserNotFound(c *check.C) {
  398. _, _, err := dockerCmdWithError(c, "run", "-u", "notme", "busybox", "id")
  399. if err == nil {
  400. c.Fatal("unknown user should cause container to fail")
  401. }
  402. }
  403. func (s *DockerSuite) TestRunTwoConcurrentContainers(c *check.C) {
  404. group := sync.WaitGroup{}
  405. group.Add(2)
  406. errChan := make(chan error, 2)
  407. for i := 0; i < 2; i++ {
  408. go func() {
  409. defer group.Done()
  410. _, _, err := dockerCmdWithError(c, "run", "busybox", "sleep", "2")
  411. errChan <- err
  412. }()
  413. }
  414. group.Wait()
  415. close(errChan)
  416. for err := range errChan {
  417. c.Assert(err, check.IsNil)
  418. }
  419. }
  420. func (s *DockerSuite) TestRunEnvironment(c *check.C) {
  421. cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env")
  422. cmd.Env = append(os.Environ(),
  423. "TRUE=false",
  424. "TRICKY=tri\ncky\n",
  425. )
  426. out, _, err := runCommandWithOutput(cmd)
  427. if err != nil {
  428. c.Fatal(err, out)
  429. }
  430. actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
  431. actualEnv := []string{}
  432. for i := range actualEnvLxc {
  433. if actualEnvLxc[i] != "container=lxc" {
  434. actualEnv = append(actualEnv, actualEnvLxc[i])
  435. }
  436. }
  437. sort.Strings(actualEnv)
  438. goodEnv := []string{
  439. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  440. "HOSTNAME=testing",
  441. "FALSE=true",
  442. "TRUE=false",
  443. "TRICKY=tri",
  444. "cky",
  445. "",
  446. "HOME=/root",
  447. }
  448. sort.Strings(goodEnv)
  449. if len(goodEnv) != len(actualEnv) {
  450. c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
  451. }
  452. for i := range goodEnv {
  453. if actualEnv[i] != goodEnv[i] {
  454. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  455. }
  456. }
  457. }
  458. func (s *DockerSuite) TestRunEnvironmentErase(c *check.C) {
  459. // Test to make sure that when we use -e on env vars that are
  460. // not set in our local env that they're removed (if present) in
  461. // the container
  462. cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env")
  463. cmd.Env = appendBaseEnv([]string{})
  464. out, _, err := runCommandWithOutput(cmd)
  465. if err != nil {
  466. c.Fatal(err, out)
  467. }
  468. actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
  469. actualEnv := []string{}
  470. for i := range actualEnvLxc {
  471. if actualEnvLxc[i] != "container=lxc" {
  472. actualEnv = append(actualEnv, actualEnvLxc[i])
  473. }
  474. }
  475. sort.Strings(actualEnv)
  476. goodEnv := []string{
  477. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  478. "HOME=/root",
  479. }
  480. sort.Strings(goodEnv)
  481. if len(goodEnv) != len(actualEnv) {
  482. c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
  483. }
  484. for i := range goodEnv {
  485. if actualEnv[i] != goodEnv[i] {
  486. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  487. }
  488. }
  489. }
  490. func (s *DockerSuite) TestRunEnvironmentOverride(c *check.C) {
  491. // Test to make sure that when we use -e on env vars that are
  492. // already in the env that we're overriding them
  493. cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env")
  494. cmd.Env = appendBaseEnv([]string{"HOSTNAME=bar"})
  495. out, _, err := runCommandWithOutput(cmd)
  496. if err != nil {
  497. c.Fatal(err, out)
  498. }
  499. actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n")
  500. actualEnv := []string{}
  501. for i := range actualEnvLxc {
  502. if actualEnvLxc[i] != "container=lxc" {
  503. actualEnv = append(actualEnv, actualEnvLxc[i])
  504. }
  505. }
  506. sort.Strings(actualEnv)
  507. goodEnv := []string{
  508. "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  509. "HOME=/root2",
  510. "HOSTNAME=bar",
  511. }
  512. sort.Strings(goodEnv)
  513. if len(goodEnv) != len(actualEnv) {
  514. c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", "))
  515. }
  516. for i := range goodEnv {
  517. if actualEnv[i] != goodEnv[i] {
  518. c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i])
  519. }
  520. }
  521. }
  522. func (s *DockerSuite) TestRunContainerNetwork(c *check.C) {
  523. dockerCmd(c, "run", "busybox", "ping", "-c", "1", "127.0.0.1")
  524. }
  525. func (s *DockerSuite) TestRunNetHostNotAllowedWithLinks(c *check.C) {
  526. dockerCmd(c, "run", "--name", "linked", "busybox", "true")
  527. _, _, err := dockerCmdWithError(c, "run", "--net=host", "--link", "linked:linked", "busybox", "true")
  528. if err == nil {
  529. c.Fatal("Expected error")
  530. }
  531. }
  532. // #7851 hostname outside container shows FQDN, inside only shortname
  533. // For testing purposes it is not required to set host's hostname directly
  534. // and use "--net=host" (as the original issue submitter did), as the same
  535. // codepath is executed with "docker run -h <hostname>". Both were manually
  536. // tested, but this testcase takes the simpler path of using "run -h .."
  537. func (s *DockerSuite) TestRunFullHostnameSet(c *check.C) {
  538. out, _ := dockerCmd(c, "run", "-h", "foo.bar.baz", "busybox", "hostname")
  539. if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" {
  540. c.Fatalf("expected hostname 'foo.bar.baz', received %s", actual)
  541. }
  542. }
  543. func (s *DockerSuite) TestRunPrivilegedCanMknod(c *check.C) {
  544. out, _ := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  545. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  546. c.Fatalf("expected output ok received %s", actual)
  547. }
  548. }
  549. func (s *DockerSuite) TestRunUnprivilegedCanMknod(c *check.C) {
  550. out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  551. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  552. c.Fatalf("expected output ok received %s", actual)
  553. }
  554. }
  555. func (s *DockerSuite) TestRunCapDropInvalid(c *check.C) {
  556. out, _, err := dockerCmdWithError(c, "run", "--cap-drop=CHPASS", "busybox", "ls")
  557. if err == nil {
  558. c.Fatal(err, out)
  559. }
  560. }
  561. func (s *DockerSuite) TestRunCapDropCannotMknod(c *check.C) {
  562. out, _, err := dockerCmdWithError(c, "run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  563. if err == nil {
  564. c.Fatal(err, out)
  565. }
  566. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  567. c.Fatalf("expected output not ok received %s", actual)
  568. }
  569. }
  570. func (s *DockerSuite) TestRunCapDropCannotMknodLowerCase(c *check.C) {
  571. out, _, err := dockerCmdWithError(c, "run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  572. if err == nil {
  573. c.Fatal(err, out)
  574. }
  575. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  576. c.Fatalf("expected output not ok received %s", actual)
  577. }
  578. }
  579. func (s *DockerSuite) TestRunCapDropALLCannotMknod(c *check.C) {
  580. out, _, err := dockerCmdWithError(c, "run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  581. if err == nil {
  582. c.Fatal(err, out)
  583. }
  584. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  585. c.Fatalf("expected output not ok received %s", actual)
  586. }
  587. }
  588. func (s *DockerSuite) TestRunCapDropALLAddMknodCanMknod(c *check.C) {
  589. out, _ := dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok")
  590. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  591. c.Fatalf("expected output ok received %s", actual)
  592. }
  593. }
  594. func (s *DockerSuite) TestRunCapAddInvalid(c *check.C) {
  595. out, _, err := dockerCmdWithError(c, "run", "--cap-add=CHPASS", "busybox", "ls")
  596. if err == nil {
  597. c.Fatal(err, out)
  598. }
  599. }
  600. func (s *DockerSuite) TestRunCapAddCanDownInterface(c *check.C) {
  601. out, _ := dockerCmd(c, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  602. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  603. c.Fatalf("expected output ok received %s", actual)
  604. }
  605. }
  606. func (s *DockerSuite) TestRunCapAddALLCanDownInterface(c *check.C) {
  607. out, _ := dockerCmd(c, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  608. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  609. c.Fatalf("expected output ok received %s", actual)
  610. }
  611. }
  612. func (s *DockerSuite) TestRunCapAddALLDropNetAdminCanDownInterface(c *check.C) {
  613. out, _, err := dockerCmdWithError(c, "run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok")
  614. if err == nil {
  615. c.Fatal(err, out)
  616. }
  617. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  618. c.Fatalf("expected output not ok received %s", actual)
  619. }
  620. }
  621. func (s *DockerSuite) TestRunGroupAdd(c *check.C) {
  622. out, _ := dockerCmd(c, "run", "--group-add=audio", "--group-add=dbus", "--group-add=777", "busybox", "sh", "-c", "id")
  623. groupsList := "uid=0(root) gid=0(root) groups=10(wheel),29(audio),81(dbus),777"
  624. if actual := strings.Trim(out, "\r\n"); actual != groupsList {
  625. c.Fatalf("expected output %s received %s", groupsList, actual)
  626. }
  627. }
  628. func (s *DockerSuite) TestRunPrivilegedCanMount(c *check.C) {
  629. out, _ := dockerCmd(c, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  630. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  631. c.Fatalf("expected output ok received %s", actual)
  632. }
  633. }
  634. func (s *DockerSuite) TestRunUnprivilegedCannotMount(c *check.C) {
  635. out, _, err := dockerCmdWithError(c, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok")
  636. if err == nil {
  637. c.Fatal(err, out)
  638. }
  639. if actual := strings.Trim(out, "\r\n"); actual == "ok" {
  640. c.Fatalf("expected output not ok received %s", actual)
  641. }
  642. }
  643. func (s *DockerSuite) TestRunSysNotWritableInNonPrivilegedContainers(c *check.C) {
  644. if _, code, err := dockerCmdWithError(c, "run", "busybox", "touch", "/sys/kernel/profiling"); err == nil || code == 0 {
  645. c.Fatal("sys should not be writable in a non privileged container")
  646. }
  647. }
  648. func (s *DockerSuite) TestRunSysWritableInPrivilegedContainers(c *check.C) {
  649. if _, code, err := dockerCmdWithError(c, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling"); err != nil || code != 0 {
  650. c.Fatalf("sys should be writable in privileged container")
  651. }
  652. }
  653. func (s *DockerSuite) TestRunProcNotWritableInNonPrivilegedContainers(c *check.C) {
  654. if _, code, err := dockerCmdWithError(c, "run", "busybox", "touch", "/proc/sysrq-trigger"); err == nil || code == 0 {
  655. c.Fatal("proc should not be writable in a non privileged container")
  656. }
  657. }
  658. func (s *DockerSuite) TestRunProcWritableInPrivilegedContainers(c *check.C) {
  659. if _, code := dockerCmd(c, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger"); code != 0 {
  660. c.Fatalf("proc should be writable in privileged container")
  661. }
  662. }
  663. func (s *DockerSuite) TestRunWithCpuset(c *check.C) {
  664. if _, code := dockerCmd(c, "run", "--cpuset", "0", "busybox", "true"); code != 0 {
  665. c.Fatalf("container should run successfully with cpuset of 0")
  666. }
  667. }
  668. func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) {
  669. if _, code := dockerCmd(c, "run", "--cpuset-cpus", "0", "busybox", "true"); code != 0 {
  670. c.Fatalf("container should run successfully with cpuset-cpus of 0")
  671. }
  672. }
  673. func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) {
  674. if _, code := dockerCmd(c, "run", "--cpuset-mems", "0", "busybox", "true"); code != 0 {
  675. c.Fatalf("container should run successfully with cpuset-mems of 0")
  676. }
  677. }
  678. func (s *DockerSuite) TestRunWithBlkioWeight(c *check.C) {
  679. if _, code := dockerCmd(c, "run", "--blkio-weight", "300", "busybox", "true"); code != 0 {
  680. c.Fatalf("container should run successfully with blkio-weight of 300")
  681. }
  682. }
  683. func (s *DockerSuite) TestRunWithBlkioInvalidWeight(c *check.C) {
  684. if _, _, err := dockerCmdWithError(c, "run", "--blkio-weight", "5", "busybox", "true"); err == nil {
  685. c.Fatalf("run with invalid blkio-weight should failed")
  686. }
  687. }
  688. func (s *DockerSuite) TestRunDeviceNumbers(c *check.C) {
  689. out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "ls -l /dev/null")
  690. deviceLineFields := strings.Fields(out)
  691. deviceLineFields[6] = ""
  692. deviceLineFields[7] = ""
  693. deviceLineFields[8] = ""
  694. expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"}
  695. if !(reflect.DeepEqual(deviceLineFields, expected)) {
  696. c.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out)
  697. }
  698. }
  699. func (s *DockerSuite) TestRunThatCharacterDevicesActLikeCharacterDevices(c *check.C) {
  700. out, _ := dockerCmd(c, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero")
  701. if actual := strings.Trim(out, "\r\n"); actual[0] == '0' {
  702. c.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual)
  703. }
  704. }
  705. func (s *DockerSuite) TestRunUnprivilegedWithChroot(c *check.C) {
  706. dockerCmd(c, "run", "busybox", "chroot", "/", "true")
  707. }
  708. func (s *DockerSuite) TestRunAddingOptionalDevices(c *check.C) {
  709. out, _ := dockerCmd(c, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo")
  710. if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" {
  711. c.Fatalf("expected output /dev/nulo, received %s", actual)
  712. }
  713. }
  714. func (s *DockerSuite) TestRunModeHostname(c *check.C) {
  715. testRequires(c, SameHostDaemon)
  716. out, _ := dockerCmd(c, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname")
  717. if actual := strings.Trim(out, "\r\n"); actual != "testhostname" {
  718. c.Fatalf("expected 'testhostname', but says: %q", actual)
  719. }
  720. out, _ = dockerCmd(c, "run", "--net=host", "busybox", "cat", "/etc/hostname")
  721. hostname, err := os.Hostname()
  722. if err != nil {
  723. c.Fatal(err)
  724. }
  725. if actual := strings.Trim(out, "\r\n"); actual != hostname {
  726. c.Fatalf("expected %q, but says: %q", hostname, actual)
  727. }
  728. }
  729. func (s *DockerSuite) TestRunRootWorkdir(c *check.C) {
  730. out, _ := dockerCmd(c, "run", "--workdir", "/", "busybox", "pwd")
  731. if out != "/\n" {
  732. c.Fatalf("pwd returned %q (expected /\\n)", s)
  733. }
  734. }
  735. func (s *DockerSuite) TestRunAllowBindMountingRoot(c *check.C) {
  736. dockerCmd(c, "run", "-v", "/:/host", "busybox", "ls", "/host")
  737. }
  738. func (s *DockerSuite) TestRunDisallowBindMountingRootToRoot(c *check.C) {
  739. out, _, err := dockerCmdWithError(c, "run", "-v", "/:/", "busybox", "ls", "/host")
  740. if err == nil {
  741. c.Fatal(out, err)
  742. }
  743. }
  744. // Verify that a container gets default DNS when only localhost resolvers exist
  745. func (s *DockerSuite) TestRunDnsDefaultOptions(c *check.C) {
  746. testRequires(c, SameHostDaemon)
  747. // preserve original resolv.conf for restoring after test
  748. origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  749. if os.IsNotExist(err) {
  750. c.Fatalf("/etc/resolv.conf does not exist")
  751. }
  752. // defer restored original conf
  753. defer func() {
  754. if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  755. c.Fatal(err)
  756. }
  757. }()
  758. // test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost
  759. // 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by
  760. // GetNameservers(), leading to a replacement of nameservers with the default set
  761. tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1")
  762. if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  763. c.Fatal(err)
  764. }
  765. actual, _ := dockerCmd(c, "run", "busybox", "cat", "/etc/resolv.conf")
  766. // check that the actual defaults are appended to the commented out
  767. // localhost resolver (which should be preserved)
  768. // NOTE: if we ever change the defaults from google dns, this will break
  769. expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
  770. if actual != expected {
  771. c.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual)
  772. }
  773. }
  774. func (s *DockerSuite) TestRunDnsOptions(c *check.C) {
  775. out, stderr, _ := dockerCmdWithStdoutStderr(c, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  776. // The client will get a warning on stderr when setting DNS to a localhost address; verify this:
  777. if !strings.Contains(stderr, "Localhost DNS setting") {
  778. c.Fatalf("Expected warning on stderr about localhost resolver, but got %q", stderr)
  779. }
  780. actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1)
  781. if actual != "nameserver 127.0.0.1 search mydomain" {
  782. c.Fatalf("expected 'nameserver 127.0.0.1 search mydomain', but says: %q", actual)
  783. }
  784. out, stderr, _ = dockerCmdWithStdoutStderr(c, "run", "--dns=127.0.0.1", "--dns-search=.", "busybox", "cat", "/etc/resolv.conf")
  785. actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1)
  786. if actual != "nameserver 127.0.0.1" {
  787. c.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual)
  788. }
  789. }
  790. func (s *DockerSuite) TestRunDnsOptionsBasedOnHostResolvConf(c *check.C) {
  791. testRequires(c, SameHostDaemon)
  792. origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  793. if os.IsNotExist(err) {
  794. c.Fatalf("/etc/resolv.conf does not exist")
  795. }
  796. hostNamservers := resolvconf.GetNameservers(origResolvConf)
  797. hostSearch := resolvconf.GetSearchDomains(origResolvConf)
  798. var out string
  799. out, _ = dockerCmd(c, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf")
  800. if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" {
  801. c.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0]))
  802. }
  803. actualSearch := resolvconf.GetSearchDomains([]byte(out))
  804. if len(actualSearch) != len(hostSearch) {
  805. c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  806. }
  807. for i := range actualSearch {
  808. if actualSearch[i] != hostSearch[i] {
  809. c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  810. }
  811. }
  812. out, _ = dockerCmd(c, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf")
  813. actualNameservers := resolvconf.GetNameservers([]byte(out))
  814. if len(actualNameservers) != len(hostNamservers) {
  815. c.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers))
  816. }
  817. for i := range actualNameservers {
  818. if actualNameservers[i] != hostNamservers[i] {
  819. c.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i])
  820. }
  821. }
  822. if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" {
  823. c.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0]))
  824. }
  825. // test with file
  826. tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1")
  827. if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil {
  828. c.Fatal(err)
  829. }
  830. // put the old resolvconf back
  831. defer func() {
  832. if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil {
  833. c.Fatal(err)
  834. }
  835. }()
  836. resolvConf, err := ioutil.ReadFile("/etc/resolv.conf")
  837. if os.IsNotExist(err) {
  838. c.Fatalf("/etc/resolv.conf does not exist")
  839. }
  840. hostNamservers = resolvconf.GetNameservers(resolvConf)
  841. hostSearch = resolvconf.GetSearchDomains(resolvConf)
  842. out, _ = dockerCmd(c, "run", "busybox", "cat", "/etc/resolv.conf")
  843. if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 {
  844. c.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers)
  845. }
  846. actualSearch = resolvconf.GetSearchDomains([]byte(out))
  847. if len(actualSearch) != len(hostSearch) {
  848. c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch))
  849. }
  850. for i := range actualSearch {
  851. if actualSearch[i] != hostSearch[i] {
  852. c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i])
  853. }
  854. }
  855. }
  856. // Test to see if a non-root user can resolve a DNS name and reach out to it. Also
  857. // check if the container resolv.conf file has atleast 0644 perm.
  858. func (s *DockerSuite) TestRunNonRootUserResolvName(c *check.C) {
  859. testRequires(c, SameHostDaemon)
  860. testRequires(c, Network)
  861. dockerCmd(c, "run", "--name=testperm", "--user=default", "busybox", "ping", "-c", "1", "www.docker.io")
  862. cID, err := getIDByName("testperm")
  863. if err != nil {
  864. c.Fatal(err)
  865. }
  866. fmode := (os.FileMode)(0644)
  867. finfo, err := os.Stat(containerStorageFile(cID, "resolv.conf"))
  868. if err != nil {
  869. c.Fatal(err)
  870. }
  871. if (finfo.Mode() & fmode) != fmode {
  872. c.Fatalf("Expected container resolv.conf mode to be atleast %s, instead got %s", fmode.String(), finfo.Mode().String())
  873. }
  874. }
  875. // Test if container resolv.conf gets updated the next time it restarts
  876. // if host /etc/resolv.conf has changed. This only applies if the container
  877. // uses the host's /etc/resolv.conf and does not have any dns options provided.
  878. func (s *DockerSuite) TestRunResolvconfUpdate(c *check.C) {
  879. testRequires(c, SameHostDaemon)
  880. tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78")
  881. tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1")
  882. //take a copy of resolv.conf for restoring after test completes
  883. resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf")
  884. if err != nil {
  885. c.Fatal(err)
  886. }
  887. // This test case is meant to test monitoring resolv.conf when it is
  888. // a regular file not a bind mounc. So we unmount resolv.conf and replace
  889. // it with a file containing the original settings.
  890. cmd := exec.Command("umount", "/etc/resolv.conf")
  891. if _, err = runCommand(cmd); err != nil {
  892. c.Fatal(err)
  893. }
  894. //cleanup
  895. defer func() {
  896. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  897. c.Fatal(err)
  898. }
  899. }()
  900. //1. test that a restarting container gets an updated resolv.conf
  901. dockerCmd(c, "run", "--name='first'", "busybox", "true")
  902. containerID1, err := getIDByName("first")
  903. if err != nil {
  904. c.Fatal(err)
  905. }
  906. // replace resolv.conf with our temporary copy
  907. bytesResolvConf := []byte(tmpResolvConf)
  908. if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  909. c.Fatal(err)
  910. }
  911. // start the container again to pickup changes
  912. dockerCmd(c, "start", "first")
  913. // check for update in container
  914. containerResolv, err := readContainerFile(containerID1, "resolv.conf")
  915. if err != nil {
  916. c.Fatal(err)
  917. }
  918. if !bytes.Equal(containerResolv, bytesResolvConf) {
  919. c.Fatalf("Restarted container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv))
  920. }
  921. /* //make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
  922. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  923. c.Fatal(err)
  924. } */
  925. //2. test that a restarting container does not receive resolv.conf updates
  926. // if it modified the container copy of the starting point resolv.conf
  927. dockerCmd(c, "run", "--name='second'", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf")
  928. containerID2, err := getIDByName("second")
  929. if err != nil {
  930. c.Fatal(err)
  931. }
  932. //make a change to resolv.conf (in this case replacing our tmp copy with orig copy)
  933. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  934. c.Fatal(err)
  935. }
  936. // start the container again
  937. dockerCmd(c, "start", "second")
  938. // check for update in container
  939. containerResolv, err = readContainerFile(containerID2, "resolv.conf")
  940. if err != nil {
  941. c.Fatal(err)
  942. }
  943. if bytes.Equal(containerResolv, resolvConfSystem) {
  944. c.Fatalf("Restarting a container after container updated resolv.conf should not pick up host changes; expected %q, got %q", string(containerResolv), string(resolvConfSystem))
  945. }
  946. //3. test that a running container's resolv.conf is not modified while running
  947. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  948. runningContainerID := strings.TrimSpace(out)
  949. // replace resolv.conf
  950. if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  951. c.Fatal(err)
  952. }
  953. // check for update in container
  954. containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
  955. if err != nil {
  956. c.Fatal(err)
  957. }
  958. if bytes.Equal(containerResolv, bytesResolvConf) {
  959. c.Fatalf("Running container should not have updated resolv.conf; expected %q, got %q", string(resolvConfSystem), string(containerResolv))
  960. }
  961. //4. test that a running container's resolv.conf is updated upon restart
  962. // (the above container is still running..)
  963. dockerCmd(c, "restart", runningContainerID)
  964. // check for update in container
  965. containerResolv, err = readContainerFile(runningContainerID, "resolv.conf")
  966. if err != nil {
  967. c.Fatal(err)
  968. }
  969. if !bytes.Equal(containerResolv, bytesResolvConf) {
  970. c.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", string(bytesResolvConf), string(containerResolv))
  971. }
  972. //5. test that additions of a localhost resolver are cleaned from
  973. // host resolv.conf before updating container's resolv.conf copies
  974. // replace resolv.conf with a localhost-only nameserver copy
  975. bytesResolvConf = []byte(tmpLocalhostResolvConf)
  976. if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil {
  977. c.Fatal(err)
  978. }
  979. // start the container again to pickup changes
  980. dockerCmd(c, "start", "first")
  981. // our first exited container ID should have been updated, but with default DNS
  982. // after the cleanup of resolv.conf found only a localhost nameserver:
  983. containerResolv, err = readContainerFile(containerID1, "resolv.conf")
  984. if err != nil {
  985. c.Fatal(err)
  986. }
  987. expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4"
  988. if !bytes.Equal(containerResolv, []byte(expected)) {
  989. c.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv))
  990. }
  991. //6. Test that replacing (as opposed to modifying) resolv.conf triggers an update
  992. // of containers' resolv.conf.
  993. // Restore the original resolv.conf
  994. if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil {
  995. c.Fatal(err)
  996. }
  997. // Run the container so it picks up the old settings
  998. dockerCmd(c, "run", "--name='third'", "busybox", "true")
  999. containerID3, err := getIDByName("third")
  1000. if err != nil {
  1001. c.Fatal(err)
  1002. }
  1003. // Create a modified resolv.conf.aside and override resolv.conf with it
  1004. bytesResolvConf = []byte(tmpResolvConf)
  1005. if err := ioutil.WriteFile("/etc/resolv.conf.aside", bytesResolvConf, 0644); err != nil {
  1006. c.Fatal(err)
  1007. }
  1008. err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf")
  1009. if err != nil {
  1010. c.Fatal(err)
  1011. }
  1012. // start the container again to pickup changes
  1013. dockerCmd(c, "start", "third")
  1014. // check for update in container
  1015. containerResolv, err = readContainerFile(containerID3, "resolv.conf")
  1016. if err != nil {
  1017. c.Fatal(err)
  1018. }
  1019. if !bytes.Equal(containerResolv, bytesResolvConf) {
  1020. c.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv))
  1021. }
  1022. //cleanup, restore original resolv.conf happens in defer func()
  1023. }
  1024. func (s *DockerSuite) TestRunAddHost(c *check.C) {
  1025. out, _ := dockerCmd(c, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts")
  1026. actual := strings.Trim(out, "\r\n")
  1027. if actual != "86.75.30.9\textra" {
  1028. c.Fatalf("expected '86.75.30.9\textra', but says: %q", actual)
  1029. }
  1030. }
  1031. // Regression test for #6983
  1032. func (s *DockerSuite) TestRunAttachStdErrOnlyTTYMode(c *check.C) {
  1033. _, exitCode := dockerCmd(c, "run", "-t", "-a", "stderr", "busybox", "true")
  1034. if exitCode != 0 {
  1035. c.Fatalf("Container should have exited with error code 0")
  1036. }
  1037. }
  1038. // Regression test for #6983
  1039. func (s *DockerSuite) TestRunAttachStdOutOnlyTTYMode(c *check.C) {
  1040. _, exitCode := dockerCmd(c, "run", "-t", "-a", "stdout", "busybox", "true")
  1041. if exitCode != 0 {
  1042. c.Fatalf("Container should have exited with error code 0")
  1043. }
  1044. }
  1045. // Regression test for #6983
  1046. func (s *DockerSuite) TestRunAttachStdOutAndErrTTYMode(c *check.C) {
  1047. _, exitCode := dockerCmd(c, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true")
  1048. if exitCode != 0 {
  1049. c.Fatalf("Container should have exited with error code 0")
  1050. }
  1051. }
  1052. // Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode
  1053. // but using --attach instead of -a to make sure we read the flag correctly
  1054. func (s *DockerSuite) TestRunAttachWithDetach(c *check.C) {
  1055. cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true")
  1056. _, stderr, _, err := runCommandWithStdoutStderr(cmd)
  1057. if err == nil {
  1058. c.Fatal("Container should have exited with error code different than 0")
  1059. } else if !strings.Contains(stderr, "Conflicting options: -a and -d") {
  1060. c.Fatal("Should have been returned an error with conflicting options -a and -d")
  1061. }
  1062. }
  1063. func (s *DockerSuite) TestRunState(c *check.C) {
  1064. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  1065. id := strings.TrimSpace(out)
  1066. state, err := inspectField(id, "State.Running")
  1067. c.Assert(err, check.IsNil)
  1068. if state != "true" {
  1069. c.Fatal("Container state is 'not running'")
  1070. }
  1071. pid1, err := inspectField(id, "State.Pid")
  1072. c.Assert(err, check.IsNil)
  1073. if pid1 == "0" {
  1074. c.Fatal("Container state Pid 0")
  1075. }
  1076. dockerCmd(c, "stop", id)
  1077. state, err = inspectField(id, "State.Running")
  1078. c.Assert(err, check.IsNil)
  1079. if state != "false" {
  1080. c.Fatal("Container state is 'running'")
  1081. }
  1082. pid2, err := inspectField(id, "State.Pid")
  1083. c.Assert(err, check.IsNil)
  1084. if pid2 == pid1 {
  1085. c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1086. }
  1087. dockerCmd(c, "start", id)
  1088. state, err = inspectField(id, "State.Running")
  1089. c.Assert(err, check.IsNil)
  1090. if state != "true" {
  1091. c.Fatal("Container state is 'not running'")
  1092. }
  1093. pid3, err := inspectField(id, "State.Pid")
  1094. c.Assert(err, check.IsNil)
  1095. if pid3 == pid1 {
  1096. c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1)
  1097. }
  1098. }
  1099. // Test for #1737
  1100. func (s *DockerSuite) TestRunCopyVolumeUidGid(c *check.C) {
  1101. name := "testrunvolumesuidgid"
  1102. _, err := buildImage(name,
  1103. `FROM busybox
  1104. RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd
  1105. RUN echo 'dockerio:x:1001:' >> /etc/group
  1106. RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`,
  1107. true)
  1108. if err != nil {
  1109. c.Fatal(err)
  1110. }
  1111. // Test that the uid and gid is copied from the image to the volume
  1112. out, _ := dockerCmd(c, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'")
  1113. out = strings.TrimSpace(out)
  1114. if out != "dockerio:dockerio" {
  1115. c.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out)
  1116. }
  1117. }
  1118. // Test for #1582
  1119. func (s *DockerSuite) TestRunCopyVolumeContent(c *check.C) {
  1120. name := "testruncopyvolumecontent"
  1121. _, err := buildImage(name,
  1122. `FROM busybox
  1123. RUN mkdir -p /hello/local && echo hello > /hello/local/world`,
  1124. true)
  1125. if err != nil {
  1126. c.Fatal(err)
  1127. }
  1128. // Test that the content is copied from the image to the volume
  1129. out, _ := dockerCmd(c, "run", "--rm", "-v", "/hello", name, "find", "/hello")
  1130. if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) {
  1131. c.Fatal("Container failed to transfer content to volume")
  1132. }
  1133. }
  1134. func (s *DockerSuite) TestRunCleanupCmdOnEntrypoint(c *check.C) {
  1135. name := "testrunmdcleanuponentrypoint"
  1136. if _, err := buildImage(name,
  1137. `FROM busybox
  1138. ENTRYPOINT ["echo"]
  1139. CMD ["testingpoint"]`,
  1140. true); err != nil {
  1141. c.Fatal(err)
  1142. }
  1143. out, exit := dockerCmd(c, "run", "--entrypoint", "whoami", name)
  1144. if exit != 0 {
  1145. c.Fatalf("expected exit code 0 received %d, out: %q", exit, out)
  1146. }
  1147. out = strings.TrimSpace(out)
  1148. if out != "root" {
  1149. c.Fatalf("Expected output root, got %q", out)
  1150. }
  1151. }
  1152. // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected
  1153. func (s *DockerSuite) TestRunWorkdirExistsAndIsFile(c *check.C) {
  1154. out, exit, err := dockerCmdWithError(c, "run", "-w", "/bin/cat", "busybox")
  1155. if !(err != nil && exit == 1 && strings.Contains(out, "Cannot mkdir: /bin/cat is not a directory")) {
  1156. c.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err)
  1157. }
  1158. }
  1159. func (s *DockerSuite) TestRunExitOnStdinClose(c *check.C) {
  1160. name := "testrunexitonstdinclose"
  1161. runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat")
  1162. stdin, err := runCmd.StdinPipe()
  1163. if err != nil {
  1164. c.Fatal(err)
  1165. }
  1166. stdout, err := runCmd.StdoutPipe()
  1167. if err != nil {
  1168. c.Fatal(err)
  1169. }
  1170. if err := runCmd.Start(); err != nil {
  1171. c.Fatal(err)
  1172. }
  1173. if _, err := stdin.Write([]byte("hello\n")); err != nil {
  1174. c.Fatal(err)
  1175. }
  1176. r := bufio.NewReader(stdout)
  1177. line, err := r.ReadString('\n')
  1178. if err != nil {
  1179. c.Fatal(err)
  1180. }
  1181. line = strings.TrimSpace(line)
  1182. if line != "hello" {
  1183. c.Fatalf("Output should be 'hello', got '%q'", line)
  1184. }
  1185. if err := stdin.Close(); err != nil {
  1186. c.Fatal(err)
  1187. }
  1188. finish := make(chan error)
  1189. go func() {
  1190. finish <- runCmd.Wait()
  1191. close(finish)
  1192. }()
  1193. select {
  1194. case err := <-finish:
  1195. c.Assert(err, check.IsNil)
  1196. case <-time.After(1 * time.Second):
  1197. c.Fatal("docker run failed to exit on stdin close")
  1198. }
  1199. state, err := inspectField(name, "State.Running")
  1200. c.Assert(err, check.IsNil)
  1201. if state != "false" {
  1202. c.Fatal("Container must be stopped after stdin closing")
  1203. }
  1204. }
  1205. // Test for #2267
  1206. func (s *DockerSuite) TestRunWriteHostsFileAndNotCommit(c *check.C) {
  1207. name := "writehosts"
  1208. out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts")
  1209. if !strings.Contains(out, "test2267") {
  1210. c.Fatal("/etc/hosts should contain 'test2267'")
  1211. }
  1212. out, _ = dockerCmd(c, "diff", name)
  1213. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1214. c.Fatal("diff should be empty")
  1215. }
  1216. }
  1217. func eqToBaseDiff(out string, c *check.C) bool {
  1218. out1, _ := dockerCmd(c, "run", "-d", "busybox", "echo", "hello")
  1219. cID := strings.TrimSpace(out1)
  1220. baseDiff, _ := dockerCmd(c, "diff", cID)
  1221. baseArr := strings.Split(baseDiff, "\n")
  1222. sort.Strings(baseArr)
  1223. outArr := strings.Split(out, "\n")
  1224. sort.Strings(outArr)
  1225. return sliceEq(baseArr, outArr)
  1226. }
  1227. func sliceEq(a, b []string) bool {
  1228. if len(a) != len(b) {
  1229. return false
  1230. }
  1231. for i := range a {
  1232. if a[i] != b[i] {
  1233. return false
  1234. }
  1235. }
  1236. return true
  1237. }
  1238. // Test for #2267
  1239. func (s *DockerSuite) TestRunWriteHostnameFileAndNotCommit(c *check.C) {
  1240. name := "writehostname"
  1241. out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname")
  1242. if !strings.Contains(out, "test2267") {
  1243. c.Fatal("/etc/hostname should contain 'test2267'")
  1244. }
  1245. out, _ = dockerCmd(c, "diff", name)
  1246. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1247. c.Fatal("diff should be empty")
  1248. }
  1249. }
  1250. // Test for #2267
  1251. func (s *DockerSuite) TestRunWriteResolvFileAndNotCommit(c *check.C) {
  1252. name := "writeresolv"
  1253. out, _ := dockerCmd(c, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf")
  1254. if !strings.Contains(out, "test2267") {
  1255. c.Fatal("/etc/resolv.conf should contain 'test2267'")
  1256. }
  1257. out, _ = dockerCmd(c, "diff", name)
  1258. if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) {
  1259. c.Fatal("diff should be empty")
  1260. }
  1261. }
  1262. func (s *DockerSuite) TestRunWithBadDevice(c *check.C) {
  1263. name := "baddevice"
  1264. out, _, err := dockerCmdWithError(c, "run", "--name", name, "--device", "/etc", "busybox", "true")
  1265. if err == nil {
  1266. c.Fatal("Run should fail with bad device")
  1267. }
  1268. expected := `"/etc": not a device node`
  1269. if !strings.Contains(out, expected) {
  1270. c.Fatalf("Output should contain %q, actual out: %q", expected, out)
  1271. }
  1272. }
  1273. func (s *DockerSuite) TestRunEntrypoint(c *check.C) {
  1274. name := "entrypoint"
  1275. out, _ := dockerCmd(c, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar")
  1276. expected := "foobar"
  1277. if out != expected {
  1278. c.Fatalf("Output should be %q, actual out: %q", expected, out)
  1279. }
  1280. }
  1281. func (s *DockerSuite) TestRunBindMounts(c *check.C) {
  1282. testRequires(c, SameHostDaemon)
  1283. tmpDir, err := ioutil.TempDir("", "docker-test-container")
  1284. if err != nil {
  1285. c.Fatal(err)
  1286. }
  1287. defer os.RemoveAll(tmpDir)
  1288. writeFile(path.Join(tmpDir, "touch-me"), "", c)
  1289. // Test reading from a read-only bind mount
  1290. out, _ := dockerCmd(c, "run", "-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox", "ls", "/tmp")
  1291. if !strings.Contains(out, "touch-me") {
  1292. c.Fatal("Container failed to read from bind mount")
  1293. }
  1294. // test writing to bind mount
  1295. dockerCmd(c, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla")
  1296. readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  1297. // test mounting to an illegal destination directory
  1298. _, _, err = dockerCmdWithError(c, "run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".")
  1299. if err == nil {
  1300. c.Fatal("Container bind mounted illegal directory")
  1301. }
  1302. // test mount a file
  1303. dockerCmd(c, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla")
  1304. content := readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist
  1305. expected := "yotta"
  1306. if content != expected {
  1307. c.Fatalf("Output should be %q, actual out: %q", expected, content)
  1308. }
  1309. }
  1310. // Ensure that CIDFile gets deleted if it's empty
  1311. // Perform this test by making `docker run` fail
  1312. func (s *DockerSuite) TestRunCidFileCleanupIfEmpty(c *check.C) {
  1313. tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  1314. if err != nil {
  1315. c.Fatal(err)
  1316. }
  1317. defer os.RemoveAll(tmpDir)
  1318. tmpCidFile := path.Join(tmpDir, "cid")
  1319. out, _, err := dockerCmdWithError(c, "run", "--cidfile", tmpCidFile, "emptyfs")
  1320. if err == nil {
  1321. c.Fatalf("Run without command must fail. out=%s", out)
  1322. } else if !strings.Contains(out, "No command specified") {
  1323. c.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err)
  1324. }
  1325. if _, err := os.Stat(tmpCidFile); err == nil {
  1326. c.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile)
  1327. }
  1328. }
  1329. // #2098 - Docker cidFiles only contain short version of the containerId
  1330. //sudo docker run --cidfile /tmp/docker_tesc.cid ubuntu echo "test"
  1331. // TestRunCidFile tests that run --cidfile returns the longid
  1332. func (s *DockerSuite) TestRunCidFileCheckIDLength(c *check.C) {
  1333. tmpDir, err := ioutil.TempDir("", "TestRunCidFile")
  1334. if err != nil {
  1335. c.Fatal(err)
  1336. }
  1337. tmpCidFile := path.Join(tmpDir, "cid")
  1338. defer os.RemoveAll(tmpDir)
  1339. out, _ := dockerCmd(c, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true")
  1340. id := strings.TrimSpace(out)
  1341. buffer, err := ioutil.ReadFile(tmpCidFile)
  1342. if err != nil {
  1343. c.Fatal(err)
  1344. }
  1345. cid := string(buffer)
  1346. if len(cid) != 64 {
  1347. c.Fatalf("--cidfile should be a long id, not %q", id)
  1348. }
  1349. if cid != id {
  1350. c.Fatalf("cid must be equal to %s, got %s", id, cid)
  1351. }
  1352. }
  1353. func (s *DockerSuite) TestRunSetMacAddress(c *check.C) {
  1354. mac := "12:34:56:78:9a:bc"
  1355. out, _ := dockerCmd(c, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'")
  1356. actualMac := strings.TrimSpace(out)
  1357. if actualMac != mac {
  1358. c.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac)
  1359. }
  1360. }
  1361. func (s *DockerSuite) TestRunInspectMacAddress(c *check.C) {
  1362. mac := "12:34:56:78:9a:bc"
  1363. out, _ := dockerCmd(c, "run", "-d", "--mac-address="+mac, "busybox", "top")
  1364. id := strings.TrimSpace(out)
  1365. inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress")
  1366. c.Assert(err, check.IsNil)
  1367. if inspectedMac != mac {
  1368. c.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac)
  1369. }
  1370. }
  1371. // test docker run use a invalid mac address
  1372. func (s *DockerSuite) TestRunWithInvalidMacAddress(c *check.C) {
  1373. out, _, err := dockerCmdWithError(c, "run", "--mac-address", "92:d0:c6:0a:29", "busybox")
  1374. //use a invalid mac address should with a error out
  1375. if err == nil || !strings.Contains(out, "is not a valid mac address") {
  1376. c.Fatalf("run with an invalid --mac-address should with error out")
  1377. }
  1378. }
  1379. func (s *DockerSuite) TestRunDeallocatePortOnMissingIptablesRule(c *check.C) {
  1380. testRequires(c, SameHostDaemon)
  1381. out, _ := dockerCmd(c, "run", "-d", "-p", "23:23", "busybox", "top")
  1382. id := strings.TrimSpace(out)
  1383. ip, err := inspectField(id, "NetworkSettings.IPAddress")
  1384. c.Assert(err, check.IsNil)
  1385. iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip),
  1386. "!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT")
  1387. out, _, err = runCommandWithOutput(iptCmd)
  1388. if err != nil {
  1389. c.Fatal(err, out)
  1390. }
  1391. if err := deleteContainer(id); err != nil {
  1392. c.Fatal(err)
  1393. }
  1394. dockerCmd(c, "run", "-d", "-p", "23:23", "busybox", "top")
  1395. }
  1396. func (s *DockerSuite) TestRunPortInUse(c *check.C) {
  1397. testRequires(c, SameHostDaemon)
  1398. port := "1234"
  1399. dockerCmd(c, "run", "-d", "-p", port+":80", "busybox", "top")
  1400. out, _, err := dockerCmdWithError(c, "run", "-d", "-p", port+":80", "busybox", "top")
  1401. if err == nil {
  1402. c.Fatalf("Binding on used port must fail")
  1403. }
  1404. if !strings.Contains(out, "port is already allocated") {
  1405. c.Fatalf("Out must be about \"port is already allocated\", got %s", out)
  1406. }
  1407. }
  1408. // https://github.com/docker/docker/issues/12148
  1409. func (s *DockerSuite) TestRunAllocatePortInReservedRange(c *check.C) {
  1410. // allocate a dynamic port to get the most recent
  1411. out, _ := dockerCmd(c, "run", "-d", "-P", "-p", "80", "busybox", "top")
  1412. id := strings.TrimSpace(out)
  1413. out, _ = dockerCmd(c, "port", id, "80")
  1414. strPort := strings.Split(strings.TrimSpace(out), ":")[1]
  1415. port, err := strconv.ParseInt(strPort, 10, 64)
  1416. if err != nil {
  1417. c.Fatalf("invalid port, got: %s, error: %s", strPort, err)
  1418. }
  1419. // allocate a static port and a dynamic port together, with static port
  1420. // takes the next recent port in dynamic port range.
  1421. dockerCmd(c, "run", "-d", "-P", "-p", "80", "-p", fmt.Sprintf("%d:8080", port+1), "busybox", "top")
  1422. }
  1423. // Regression test for #7792
  1424. func (s *DockerSuite) TestRunMountOrdering(c *check.C) {
  1425. testRequires(c, SameHostDaemon)
  1426. tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test")
  1427. if err != nil {
  1428. c.Fatal(err)
  1429. }
  1430. defer os.RemoveAll(tmpDir)
  1431. tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2")
  1432. if err != nil {
  1433. c.Fatal(err)
  1434. }
  1435. defer os.RemoveAll(tmpDir2)
  1436. // Create a temporary tmpfs mounc.
  1437. fooDir := filepath.Join(tmpDir, "foo")
  1438. if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil {
  1439. c.Fatalf("failed to mkdir at %s - %s", fooDir, err)
  1440. }
  1441. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil {
  1442. c.Fatal(err)
  1443. }
  1444. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil {
  1445. c.Fatal(err)
  1446. }
  1447. if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil {
  1448. c.Fatal(err)
  1449. }
  1450. dockerCmd(c, "run",
  1451. "-v", fmt.Sprintf("%s:/tmp", tmpDir),
  1452. "-v", fmt.Sprintf("%s:/tmp/foo", fooDir),
  1453. "-v", fmt.Sprintf("%s:/tmp/tmp2", tmpDir2),
  1454. "-v", fmt.Sprintf("%s:/tmp/tmp2/foo", fooDir),
  1455. "busybox:latest", "sh", "-c",
  1456. "ls /tmp/touch-me && ls /tmp/foo/touch-me && ls /tmp/tmp2/touch-me && ls /tmp/tmp2/foo/touch-me")
  1457. }
  1458. // Regression test for https://github.com/docker/docker/issues/8259
  1459. func (s *DockerSuite) TestRunReuseBindVolumeThatIsSymlink(c *check.C) {
  1460. testRequires(c, SameHostDaemon)
  1461. tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink")
  1462. if err != nil {
  1463. c.Fatal(err)
  1464. }
  1465. defer os.RemoveAll(tmpDir)
  1466. linkPath := os.TempDir() + "/testlink2"
  1467. if err := os.Symlink(tmpDir, linkPath); err != nil {
  1468. c.Fatal(err)
  1469. }
  1470. defer os.RemoveAll(linkPath)
  1471. // Create first container
  1472. dockerCmd(c, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
  1473. // Create second container with same symlinked path
  1474. // This will fail if the referenced issue is hit with a "Volume exists" error
  1475. dockerCmd(c, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test")
  1476. }
  1477. //GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container
  1478. func (s *DockerSuite) TestRunCreateVolumeEtc(c *check.C) {
  1479. out, _ := dockerCmd(c, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf")
  1480. if !strings.Contains(out, "nameserver 127.0.0.1") {
  1481. c.Fatal("/etc volume mount hides /etc/resolv.conf")
  1482. }
  1483. out, _ = dockerCmd(c, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname")
  1484. if !strings.Contains(out, "test123") {
  1485. c.Fatal("/etc volume mount hides /etc/hostname")
  1486. }
  1487. out, _ = dockerCmd(c, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts")
  1488. out = strings.Replace(out, "\n", " ", -1)
  1489. if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") {
  1490. c.Fatal("/etc volume mount hides /etc/hosts")
  1491. }
  1492. }
  1493. func (s *DockerSuite) TestVolumesNoCopyData(c *check.C) {
  1494. if _, err := buildImage("dataimage",
  1495. `FROM busybox
  1496. RUN mkdir -p /foo
  1497. RUN touch /foo/bar`,
  1498. true); err != nil {
  1499. c.Fatal(err)
  1500. }
  1501. dockerCmd(c, "run", "--name", "test", "-v", "/foo", "busybox")
  1502. if out, _, err := dockerCmdWithError(c, "run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar"); err == nil || !strings.Contains(out, "No such file or directory") {
  1503. c.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out)
  1504. }
  1505. tmpDir := randomUnixTmpDirPath("docker_test_bind_mount_copy_data")
  1506. if out, _, err := dockerCmdWithError(c, "run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar"); err == nil || !strings.Contains(out, "No such file or directory") {
  1507. c.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out)
  1508. }
  1509. }
  1510. func (s *DockerSuite) TestRunNoOutputFromPullInStdout(c *check.C) {
  1511. // just run with unknown image
  1512. cmd := exec.Command(dockerBinary, "run", "asdfsg")
  1513. stdout := bytes.NewBuffer(nil)
  1514. cmd.Stdout = stdout
  1515. if err := cmd.Run(); err == nil {
  1516. c.Fatal("Run with unknown image should fail")
  1517. }
  1518. if stdout.Len() != 0 {
  1519. c.Fatalf("Stdout contains output from pull: %s", stdout)
  1520. }
  1521. }
  1522. func (s *DockerSuite) TestRunVolumesCleanPaths(c *check.C) {
  1523. if _, err := buildImage("run_volumes_clean_paths",
  1524. `FROM busybox
  1525. VOLUME /foo/`,
  1526. true); err != nil {
  1527. c.Fatal(err)
  1528. }
  1529. dockerCmd(c, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths")
  1530. out, err := inspectMountSourceField("dark_helmet", "/foo/")
  1531. if err != mountNotFound {
  1532. c.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out)
  1533. }
  1534. out, err = inspectMountSourceField("dark_helmet", "/foo")
  1535. c.Assert(err, check.IsNil)
  1536. if !strings.Contains(out, volumesConfigPath) {
  1537. c.Fatalf("Volume was not defined for /foo\n%q", out)
  1538. }
  1539. out, err = inspectMountSourceField("dark_helmet", "/bar/")
  1540. if err != mountNotFound {
  1541. c.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out)
  1542. }
  1543. out, err = inspectMountSourceField("dark_helmet", "/bar")
  1544. c.Assert(err, check.IsNil)
  1545. if !strings.Contains(out, volumesConfigPath) {
  1546. c.Fatalf("Volume was not defined for /bar\n%q", out)
  1547. }
  1548. }
  1549. // Regression test for #3631
  1550. func (s *DockerSuite) TestRunSlowStdoutConsumer(c *check.C) {
  1551. cont := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv")
  1552. stdout, err := cont.StdoutPipe()
  1553. if err != nil {
  1554. c.Fatal(err)
  1555. }
  1556. if err := cont.Start(); err != nil {
  1557. c.Fatal(err)
  1558. }
  1559. n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil)
  1560. if err != nil {
  1561. c.Fatal(err)
  1562. }
  1563. expected := 2 * 1024 * 2000
  1564. if n != expected {
  1565. c.Fatalf("Expected %d, got %d", expected, n)
  1566. }
  1567. }
  1568. func (s *DockerSuite) TestRunAllowPortRangeThroughExpose(c *check.C) {
  1569. out, _ := dockerCmd(c, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top")
  1570. id := strings.TrimSpace(out)
  1571. portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
  1572. c.Assert(err, check.IsNil)
  1573. var ports nat.PortMap
  1574. if err = unmarshalJSON([]byte(portstr), &ports); err != nil {
  1575. c.Fatal(err)
  1576. }
  1577. for port, binding := range ports {
  1578. portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  1579. if portnum < 3000 || portnum > 3003 {
  1580. c.Fatalf("Port %d is out of range ", portnum)
  1581. }
  1582. if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  1583. c.Fatalf("Port is not mapped for the port %d", port)
  1584. }
  1585. }
  1586. }
  1587. // test docker run expose a invalid port
  1588. func (s *DockerSuite) TestRunExposePort(c *check.C) {
  1589. out, _, err := dockerCmdWithError(c, "run", "--expose", "80000", "busybox")
  1590. //expose a invalid port should with a error out
  1591. if err == nil || !strings.Contains(out, "Invalid range format for --expose") {
  1592. c.Fatalf("run --expose a invalid port should with error out")
  1593. }
  1594. }
  1595. func (s *DockerSuite) TestRunUnknownCommand(c *check.C) {
  1596. testRequires(c, NativeExecDriver)
  1597. out, _, _ := dockerCmdWithStdoutStderr(c, "create", "busybox", "/bin/nada")
  1598. cID := strings.TrimSpace(out)
  1599. _, _, err := dockerCmdWithError(c, "start", cID)
  1600. c.Assert(err, check.NotNil)
  1601. rc, err := inspectField(cID, "State.ExitCode")
  1602. c.Assert(err, check.IsNil)
  1603. if rc == "0" {
  1604. c.Fatalf("ExitCode(%v) cannot be 0", rc)
  1605. }
  1606. }
  1607. func (s *DockerSuite) TestRunModeIpcHost(c *check.C) {
  1608. testRequires(c, SameHostDaemon)
  1609. hostIpc, err := os.Readlink("/proc/1/ns/ipc")
  1610. if err != nil {
  1611. c.Fatal(err)
  1612. }
  1613. out, _ := dockerCmd(c, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc")
  1614. out = strings.Trim(out, "\n")
  1615. if hostIpc != out {
  1616. c.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out)
  1617. }
  1618. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/ipc")
  1619. out = strings.Trim(out, "\n")
  1620. if hostIpc == out {
  1621. c.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out)
  1622. }
  1623. }
  1624. func (s *DockerSuite) TestRunModeIpcContainer(c *check.C) {
  1625. testRequires(c, SameHostDaemon)
  1626. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  1627. id := strings.TrimSpace(out)
  1628. state, err := inspectField(id, "State.Running")
  1629. c.Assert(err, check.IsNil)
  1630. if state != "true" {
  1631. c.Fatal("Container state is 'not running'")
  1632. }
  1633. pid1, err := inspectField(id, "State.Pid")
  1634. c.Assert(err, check.IsNil)
  1635. parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1))
  1636. if err != nil {
  1637. c.Fatal(err)
  1638. }
  1639. out, _ = dockerCmd(c, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc")
  1640. out = strings.Trim(out, "\n")
  1641. if parentContainerIpc != out {
  1642. c.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out)
  1643. }
  1644. }
  1645. func (s *DockerSuite) TestRunModeIpcContainerNotExists(c *check.C) {
  1646. out, _, err := dockerCmdWithError(c, "run", "-d", "--ipc", "container:abcd1234", "busybox", "top")
  1647. if !strings.Contains(out, "abcd1234") || err == nil {
  1648. c.Fatalf("run IPC from a non exists container should with correct error out")
  1649. }
  1650. }
  1651. func (s *DockerSuite) TestRunModeIpcContainerNotRunning(c *check.C) {
  1652. testRequires(c, SameHostDaemon)
  1653. out, _ := dockerCmd(c, "create", "busybox")
  1654. id := strings.TrimSpace(out)
  1655. out, _, err := dockerCmdWithError(c, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox")
  1656. if err == nil {
  1657. c.Fatalf("Run container with ipc mode container should fail with non running container: %s\n%s", out, err)
  1658. }
  1659. }
  1660. func (s *DockerSuite) TestContainerNetworkMode(c *check.C) {
  1661. testRequires(c, SameHostDaemon)
  1662. out, _ := dockerCmd(c, "run", "-d", "busybox", "top")
  1663. id := strings.TrimSpace(out)
  1664. if err := waitRun(id); err != nil {
  1665. c.Fatal(err)
  1666. }
  1667. pid1, err := inspectField(id, "State.Pid")
  1668. c.Assert(err, check.IsNil)
  1669. parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1))
  1670. if err != nil {
  1671. c.Fatal(err)
  1672. }
  1673. out, _ = dockerCmd(c, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net")
  1674. out = strings.Trim(out, "\n")
  1675. if parentContainerNet != out {
  1676. c.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out)
  1677. }
  1678. }
  1679. func (s *DockerSuite) TestRunModePidHost(c *check.C) {
  1680. testRequires(c, NativeExecDriver, SameHostDaemon)
  1681. hostPid, err := os.Readlink("/proc/1/ns/pid")
  1682. if err != nil {
  1683. c.Fatal(err)
  1684. }
  1685. out, _ := dockerCmd(c, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid")
  1686. out = strings.Trim(out, "\n")
  1687. if hostPid != out {
  1688. c.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out)
  1689. }
  1690. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/pid")
  1691. out = strings.Trim(out, "\n")
  1692. if hostPid == out {
  1693. c.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out)
  1694. }
  1695. }
  1696. func (s *DockerSuite) TestRunModeUTSHost(c *check.C) {
  1697. testRequires(c, NativeExecDriver, SameHostDaemon)
  1698. hostUTS, err := os.Readlink("/proc/1/ns/uts")
  1699. if err != nil {
  1700. c.Fatal(err)
  1701. }
  1702. out, _ := dockerCmd(c, "run", "--uts=host", "busybox", "readlink", "/proc/self/ns/uts")
  1703. out = strings.Trim(out, "\n")
  1704. if hostUTS != out {
  1705. c.Fatalf("UTS different with --uts=host %s != %s\n", hostUTS, out)
  1706. }
  1707. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/uts")
  1708. out = strings.Trim(out, "\n")
  1709. if hostUTS == out {
  1710. c.Fatalf("UTS should be different without --uts=host %s == %s\n", hostUTS, out)
  1711. }
  1712. }
  1713. func (s *DockerSuite) TestRunTLSverify(c *check.C) {
  1714. if out, code, err := dockerCmdWithError(c, "ps"); err != nil || code != 0 {
  1715. c.Fatalf("Should have worked: %v:\n%v", err, out)
  1716. }
  1717. // Regardless of whether we specify true or false we need to
  1718. // test to make sure tls is turned on if --tlsverify is specified at all
  1719. out, code, err := dockerCmdWithError(c, "--tlsverify=false", "ps")
  1720. if err == nil || code == 0 || !strings.Contains(out, "trying to connect") {
  1721. c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", code, out, err)
  1722. }
  1723. out, code, err = dockerCmdWithError(c, "--tlsverify=true", "ps")
  1724. if err == nil || code == 0 || !strings.Contains(out, "cert") {
  1725. c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", code, out, err)
  1726. }
  1727. }
  1728. func (s *DockerSuite) TestRunPortFromDockerRangeInUse(c *check.C) {
  1729. // first find allocator current position
  1730. out, _ := dockerCmd(c, "run", "-d", "-p", ":80", "busybox", "top")
  1731. id := strings.TrimSpace(out)
  1732. out, _ = dockerCmd(c, "port", id)
  1733. out = strings.TrimSpace(out)
  1734. if out == "" {
  1735. c.Fatal("docker port command output is empty")
  1736. }
  1737. out = strings.Split(out, ":")[1]
  1738. lastPort, err := strconv.Atoi(out)
  1739. if err != nil {
  1740. c.Fatal(err)
  1741. }
  1742. port := lastPort + 1
  1743. l, err := net.Listen("tcp", ":"+strconv.Itoa(port))
  1744. if err != nil {
  1745. c.Fatal(err)
  1746. }
  1747. defer l.Close()
  1748. out, _ = dockerCmd(c, "run", "-d", "-p", ":80", "busybox", "top")
  1749. id = strings.TrimSpace(out)
  1750. dockerCmd(c, "port", id)
  1751. }
  1752. func (s *DockerSuite) TestRunTtyWithPipe(c *check.C) {
  1753. errChan := make(chan error)
  1754. go func() {
  1755. defer close(errChan)
  1756. cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true")
  1757. if _, err := cmd.StdinPipe(); err != nil {
  1758. errChan <- err
  1759. return
  1760. }
  1761. expected := "cannot enable tty mode"
  1762. if out, _, err := runCommandWithOutput(cmd); err == nil {
  1763. errChan <- fmt.Errorf("run should have failed")
  1764. return
  1765. } else if !strings.Contains(out, expected) {
  1766. errChan <- fmt.Errorf("run failed with error %q: expected %q", out, expected)
  1767. return
  1768. }
  1769. }()
  1770. select {
  1771. case err := <-errChan:
  1772. c.Assert(err, check.IsNil)
  1773. case <-time.After(3 * time.Second):
  1774. c.Fatal("container is running but should have failed")
  1775. }
  1776. }
  1777. func (s *DockerSuite) TestRunNonLocalMacAddress(c *check.C) {
  1778. addr := "00:16:3E:08:00:50"
  1779. if out, _ := dockerCmd(c, "run", "--mac-address", addr, "busybox", "ifconfig"); !strings.Contains(out, addr) {
  1780. c.Fatalf("Output should have contained %q: %s", addr, out)
  1781. }
  1782. }
  1783. func (s *DockerSuite) TestRunNetHost(c *check.C) {
  1784. testRequires(c, SameHostDaemon)
  1785. hostNet, err := os.Readlink("/proc/1/ns/net")
  1786. if err != nil {
  1787. c.Fatal(err)
  1788. }
  1789. out, _ := dockerCmd(c, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net")
  1790. out = strings.Trim(out, "\n")
  1791. if hostNet != out {
  1792. c.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out)
  1793. }
  1794. out, _ = dockerCmd(c, "run", "busybox", "readlink", "/proc/self/ns/net")
  1795. out = strings.Trim(out, "\n")
  1796. if hostNet == out {
  1797. c.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out)
  1798. }
  1799. }
  1800. func (s *DockerSuite) TestRunNetHostTwiceSameName(c *check.C) {
  1801. testRequires(c, SameHostDaemon)
  1802. dockerCmd(c, "run", "--rm", "--name=thost", "--net=host", "busybox", "true")
  1803. dockerCmd(c, "run", "--rm", "--name=thost", "--net=host", "busybox", "true")
  1804. }
  1805. func (s *DockerSuite) TestRunNetContainerWhichHost(c *check.C) {
  1806. testRequires(c, SameHostDaemon)
  1807. hostNet, err := os.Readlink("/proc/1/ns/net")
  1808. if err != nil {
  1809. c.Fatal(err)
  1810. }
  1811. dockerCmd(c, "run", "-d", "--net=host", "--name=test", "busybox", "top")
  1812. out, _ := dockerCmd(c, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net")
  1813. out = strings.Trim(out, "\n")
  1814. if hostNet != out {
  1815. c.Fatalf("Container should have host network namespace")
  1816. }
  1817. }
  1818. func (s *DockerSuite) TestRunAllowPortRangeThroughPublish(c *check.C) {
  1819. out, _ := dockerCmd(c, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top")
  1820. id := strings.TrimSpace(out)
  1821. portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports")
  1822. c.Assert(err, check.IsNil)
  1823. var ports nat.PortMap
  1824. err = unmarshalJSON([]byte(portstr), &ports)
  1825. for port, binding := range ports {
  1826. portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0])
  1827. if portnum < 3000 || portnum > 3003 {
  1828. c.Fatalf("Port %d is out of range ", portnum)
  1829. }
  1830. if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 {
  1831. c.Fatal("Port is not mapped for the port "+port, out)
  1832. }
  1833. }
  1834. }
  1835. func (s *DockerSuite) TestRunSetDefaultRestartPolicy(c *check.C) {
  1836. dockerCmd(c, "run", "-d", "--name", "test", "busybox", "top")
  1837. out, err := inspectField("test", "HostConfig.RestartPolicy.Name")
  1838. c.Assert(err, check.IsNil)
  1839. if out != "no" {
  1840. c.Fatalf("Set default restart policy failed")
  1841. }
  1842. }
  1843. func (s *DockerSuite) TestRunRestartMaxRetries(c *check.C) {
  1844. out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
  1845. id := strings.TrimSpace(string(out))
  1846. if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 10); err != nil {
  1847. c.Fatal(err)
  1848. }
  1849. count, err := inspectField(id, "RestartCount")
  1850. c.Assert(err, check.IsNil)
  1851. if count != "3" {
  1852. c.Fatalf("Container was restarted %s times, expected %d", count, 3)
  1853. }
  1854. MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount")
  1855. c.Assert(err, check.IsNil)
  1856. if MaximumRetryCount != "3" {
  1857. c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3")
  1858. }
  1859. }
  1860. func (s *DockerSuite) TestRunContainerWithWritableRootfs(c *check.C) {
  1861. dockerCmd(c, "run", "--rm", "busybox", "touch", "/file")
  1862. }
  1863. func (s *DockerSuite) TestRunContainerWithReadonlyRootfs(c *check.C) {
  1864. testRequires(c, NativeExecDriver)
  1865. for _, f := range []string{"/file", "/etc/hosts", "/etc/resolv.conf", "/etc/hostname", "/proc/uptime", "/sys/kernel", "/dev/.dont.touch.me"} {
  1866. testReadOnlyFile(f, c)
  1867. }
  1868. }
  1869. func (s *DockerSuite) TestPermissionsPtsReadonlyRootfs(c *check.C) {
  1870. testRequires(c, NativeExecDriver)
  1871. // Ensure we have not broken writing /dev/pts
  1872. out, status := dockerCmd(c, "run", "--read-only", "--rm", "busybox", "mount")
  1873. if status != 0 {
  1874. c.Fatal("Could not obtain mounts when checking /dev/pts mntpnt.")
  1875. }
  1876. expected := "type devpts (rw,"
  1877. if !strings.Contains(string(out), expected) {
  1878. c.Fatalf("expected output to contain %s but contains %s", expected, out)
  1879. }
  1880. }
  1881. func testReadOnlyFile(filename string, c *check.C) {
  1882. testRequires(c, NativeExecDriver)
  1883. out, _, err := dockerCmdWithError(c, "run", "--read-only", "--rm", "busybox", "touch", filename)
  1884. if err == nil {
  1885. c.Fatal("expected container to error on run with read only error")
  1886. }
  1887. expected := "Read-only file system"
  1888. if !strings.Contains(string(out), expected) {
  1889. c.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
  1890. }
  1891. out, _, err = dockerCmdWithError(c, "run", "--read-only", "--privileged", "--rm", "busybox", "touch", filename)
  1892. if err == nil {
  1893. c.Fatal("expected container to error on run with read only error")
  1894. }
  1895. expected = "Read-only file system"
  1896. if !strings.Contains(string(out), expected) {
  1897. c.Fatalf("expected output from failure to contain %s but contains %s", expected, out)
  1898. }
  1899. }
  1900. func (s *DockerSuite) TestRunContainerWithReadonlyEtcHostsAndLinkedContainer(c *check.C) {
  1901. testRequires(c, NativeExecDriver)
  1902. dockerCmd(c, "run", "-d", "--name", "test-etc-hosts-ro-linked", "busybox", "top")
  1903. out, _ := dockerCmd(c, "run", "--read-only", "--link", "test-etc-hosts-ro-linked:testlinked", "busybox", "cat", "/etc/hosts")
  1904. if !strings.Contains(string(out), "testlinked") {
  1905. c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled")
  1906. }
  1907. }
  1908. func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithDnsFlag(c *check.C) {
  1909. testRequires(c, NativeExecDriver)
  1910. out, _ := dockerCmd(c, "run", "--read-only", "--dns", "1.1.1.1", "busybox", "/bin/cat", "/etc/resolv.conf")
  1911. if !strings.Contains(string(out), "1.1.1.1") {
  1912. c.Fatal("Expected /etc/resolv.conf to be updated even if --read-only enabled and --dns flag used")
  1913. }
  1914. }
  1915. func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithAddHostFlag(c *check.C) {
  1916. testRequires(c, NativeExecDriver)
  1917. out, _ := dockerCmd(c, "run", "--read-only", "--add-host", "testreadonly:127.0.0.1", "busybox", "/bin/cat", "/etc/hosts")
  1918. if !strings.Contains(string(out), "testreadonly") {
  1919. c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled and --add-host flag used")
  1920. }
  1921. }
  1922. func (s *DockerSuite) TestRunVolumesFromRestartAfterRemoved(c *check.C) {
  1923. dockerCmd(c, "run", "-d", "--name", "voltest", "-v", "/foo", "busybox")
  1924. dockerCmd(c, "run", "-d", "--name", "restarter", "--volumes-from", "voltest", "busybox", "top")
  1925. // Remove the main volume container and restart the consuming container
  1926. dockerCmd(c, "rm", "-f", "voltest")
  1927. // This should not fail since the volumes-from were already applied
  1928. dockerCmd(c, "restart", "restarter")
  1929. }
  1930. // run container with --rm should remove container if exit code != 0
  1931. func (s *DockerSuite) TestRunContainerWithRmFlagExitCodeNotEqualToZero(c *check.C) {
  1932. name := "flowers"
  1933. out, _, err := dockerCmdWithError(c, "run", "--name", name, "--rm", "busybox", "ls", "/notexists")
  1934. if err == nil {
  1935. c.Fatal("Expected docker run to fail", out, err)
  1936. }
  1937. out, err = getAllContainers()
  1938. if err != nil {
  1939. c.Fatal(out, err)
  1940. }
  1941. if out != "" {
  1942. c.Fatal("Expected not to have containers", out)
  1943. }
  1944. }
  1945. func (s *DockerSuite) TestRunContainerWithRmFlagCannotStartContainer(c *check.C) {
  1946. name := "sparkles"
  1947. out, _, err := dockerCmdWithError(c, "run", "--name", name, "--rm", "busybox", "commandNotFound")
  1948. if err == nil {
  1949. c.Fatal("Expected docker run to fail", out, err)
  1950. }
  1951. out, err = getAllContainers()
  1952. if err != nil {
  1953. c.Fatal(out, err)
  1954. }
  1955. if out != "" {
  1956. c.Fatal("Expected not to have containers", out)
  1957. }
  1958. }
  1959. func (s *DockerSuite) TestRunPidHostWithChildIsKillable(c *check.C) {
  1960. name := "ibuildthecloud"
  1961. dockerCmd(c, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi")
  1962. time.Sleep(1 * time.Second)
  1963. errchan := make(chan error)
  1964. go func() {
  1965. if out, _, err := dockerCmdWithError(c, "kill", name); err != nil {
  1966. errchan <- fmt.Errorf("%v:\n%s", err, out)
  1967. }
  1968. close(errchan)
  1969. }()
  1970. select {
  1971. case err := <-errchan:
  1972. c.Assert(err, check.IsNil)
  1973. case <-time.After(5 * time.Second):
  1974. c.Fatal("Kill container timed out")
  1975. }
  1976. }
  1977. func (s *DockerSuite) TestRunWithTooSmallMemoryLimit(c *check.C) {
  1978. // this memory limit is 1 byte less than the min, which is 4MB
  1979. // https://github.com/docker/docker/blob/v1.5.0/daemon/create.go#L22
  1980. out, _, err := dockerCmdWithError(c, "run", "-m", "4194303", "busybox")
  1981. if err == nil || !strings.Contains(out, "Minimum memory limit allowed is 4MB") {
  1982. c.Fatalf("expected run to fail when using too low a memory limit: %q", out)
  1983. }
  1984. }
  1985. func (s *DockerSuite) TestRunWriteToProcAsound(c *check.C) {
  1986. _, code, err := dockerCmdWithError(c, "run", "busybox", "sh", "-c", "echo 111 >> /proc/asound/version")
  1987. if err == nil || code == 0 {
  1988. c.Fatal("standard container should not be able to write to /proc/asound")
  1989. }
  1990. }
  1991. func (s *DockerSuite) TestRunReadProcTimer(c *check.C) {
  1992. testRequires(c, NativeExecDriver)
  1993. out, code, err := dockerCmdWithError(c, "run", "busybox", "cat", "/proc/timer_stats")
  1994. if err != nil || code != 0 {
  1995. c.Fatal(err)
  1996. }
  1997. if strings.Trim(out, "\n ") != "" {
  1998. c.Fatalf("expected to receive no output from /proc/timer_stats but received %q", out)
  1999. }
  2000. }
  2001. func (s *DockerSuite) TestRunReadProcLatency(c *check.C) {
  2002. testRequires(c, NativeExecDriver)
  2003. // some kernels don't have this configured so skip the test if this file is not found
  2004. // on the host running the tests.
  2005. if _, err := os.Stat("/proc/latency_stats"); err != nil {
  2006. c.Skip("kernel doesnt have latency_stats configured")
  2007. return
  2008. }
  2009. out, code, err := dockerCmdWithError(c, "run", "busybox", "cat", "/proc/latency_stats")
  2010. if err != nil || code != 0 {
  2011. c.Fatal(err)
  2012. }
  2013. if strings.Trim(out, "\n ") != "" {
  2014. c.Fatalf("expected to receive no output from /proc/latency_stats but received %q", out)
  2015. }
  2016. }
  2017. func (s *DockerSuite) TestMountIntoProc(c *check.C) {
  2018. testRequires(c, NativeExecDriver)
  2019. _, code, err := dockerCmdWithError(c, "run", "-v", "/proc//sys", "busybox", "true")
  2020. if err == nil || code == 0 {
  2021. c.Fatal("container should not be able to mount into /proc")
  2022. }
  2023. }
  2024. func (s *DockerSuite) TestMountIntoSys(c *check.C) {
  2025. testRequires(c, NativeExecDriver)
  2026. dockerCmd(c, "run", "-v", "/sys/fs/cgroup", "busybox", "true")
  2027. }
  2028. func (s *DockerSuite) TestRunUnshareProc(c *check.C) {
  2029. testRequires(c, Apparmor, NativeExecDriver)
  2030. name := "acidburn"
  2031. if out, _, err := dockerCmdWithError(c, "run", "--name", name, "jess/unshare", "unshare", "-p", "-m", "-f", "-r", "--mount-proc=/proc", "mount"); err == nil || !strings.Contains(out, "Permission denied") {
  2032. c.Fatalf("unshare should have failed with permission denied, got: %s, %v", out, err)
  2033. }
  2034. name = "cereal"
  2035. if out, _, err := dockerCmdWithError(c, "run", "--name", name, "jess/unshare", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc"); err == nil || !strings.Contains(out, "Permission denied") {
  2036. c.Fatalf("unshare should have failed with permission denied, got: %s, %v", out, err)
  2037. }
  2038. /* Ensure still fails if running privileged with the default policy */
  2039. name = "crashoverride"
  2040. if out, _, err := dockerCmdWithError(c, "run", "--privileged", "--security-opt", "apparmor:docker-default", "--name", name, "jess/unshare", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc"); err == nil || !strings.Contains(out, "Permission denied") {
  2041. c.Fatalf("unshare should have failed with permission denied, got: %s, %v", out, err)
  2042. }
  2043. }
  2044. func (s *DockerSuite) TestRunPublishPort(c *check.C) {
  2045. dockerCmd(c, "run", "-d", "--name", "test", "--expose", "8080", "busybox", "top")
  2046. out, _ := dockerCmd(c, "port", "test")
  2047. out = strings.Trim(out, "\r\n")
  2048. if out != "" {
  2049. c.Fatalf("run without --publish-all should not publish port, out should be nil, but got: %s", out)
  2050. }
  2051. }
  2052. // Issue #10184.
  2053. func (s *DockerSuite) TestDevicePermissions(c *check.C) {
  2054. testRequires(c, NativeExecDriver)
  2055. const permissions = "crw-rw-rw-"
  2056. out, status := dockerCmd(c, "run", "--device", "/dev/fuse:/dev/fuse:mrw", "busybox:latest", "ls", "-l", "/dev/fuse")
  2057. if status != 0 {
  2058. c.Fatalf("expected status 0, got %d", status)
  2059. }
  2060. if !strings.HasPrefix(out, permissions) {
  2061. c.Fatalf("output should begin with %q, got %q", permissions, out)
  2062. }
  2063. }
  2064. func (s *DockerSuite) TestRunCapAddCHOWN(c *check.C) {
  2065. out, _ := dockerCmd(c, "run", "--cap-drop=ALL", "--cap-add=CHOWN", "busybox", "sh", "-c", "adduser -D -H newuser && chown newuser /home && echo ok")
  2066. if actual := strings.Trim(out, "\r\n"); actual != "ok" {
  2067. c.Fatalf("expected output ok received %s", actual)
  2068. }
  2069. }
  2070. // https://github.com/docker/docker/pull/14498
  2071. func (s *DockerSuite) TestVolumeFromMixedRWOptions(c *check.C) {
  2072. dockerCmd(c, "run", "--name", "parent", "-v", "/test", "busybox", "true")
  2073. dockerCmd(c, "run", "--volumes-from", "parent:ro", "--name", "test-volumes-1", "busybox", "true")
  2074. dockerCmd(c, "run", "--volumes-from", "parent:rw", "--name", "test-volumes-2", "busybox", "true")
  2075. mRO, err := inspectMountPoint("test-volumes-1", "/test")
  2076. c.Assert(err, check.IsNil)
  2077. if mRO.RW {
  2078. c.Fatalf("Expected RO volume was RW")
  2079. }
  2080. mRW, err := inspectMountPoint("test-volumes-2", "/test")
  2081. c.Assert(err, check.IsNil)
  2082. if !mRW.RW {
  2083. c.Fatalf("Expected RW volume was RO")
  2084. }
  2085. }
  2086. func (s *DockerSuite) TestRunWriteFilteredProc(c *check.C) {
  2087. testRequires(c, Apparmor)
  2088. testWritePaths := []string{
  2089. /* modprobe and core_pattern should both be denied by generic
  2090. * policy of denials for /proc/sys/kernel. These files have been
  2091. * picked to be checked as they are particularly sensitive to writes */
  2092. "/proc/sys/kernel/modprobe",
  2093. "/proc/sys/kernel/core_pattern",
  2094. "/proc/sysrq-trigger",
  2095. }
  2096. for i, filePath := range testWritePaths {
  2097. name := fmt.Sprintf("writeprocsieve-%d", i)
  2098. shellCmd := fmt.Sprintf("exec 3>%s", filePath)
  2099. runCmd := exec.Command(dockerBinary, "run", "--privileged", "--security-opt", "apparmor:docker-default", "--name", name, "busybox", "sh", "-c", shellCmd)
  2100. if out, exitCode, err := runCommandWithOutput(runCmd); err == nil || exitCode == 0 {
  2101. c.Fatalf("Open FD for write should have failed with permission denied, got: %s, %v", out, err)
  2102. }
  2103. }
  2104. }