github.com/fabiokung/docker@v0.11.2-0.20170222101415-4534dcd49497/integration-cli/docker_cli_create_test.go (about) 1 package main 2 3 import ( 4 "encoding/json" 5 "fmt" 6 "io/ioutil" 7 "os" 8 "reflect" 9 "strings" 10 "time" 11 12 "github.com/docker/docker/integration-cli/checker" 13 "github.com/docker/docker/pkg/stringid" 14 "github.com/docker/docker/pkg/testutil" 15 icmd "github.com/docker/docker/pkg/testutil/cmd" 16 "github.com/docker/go-connections/nat" 17 "github.com/go-check/check" 18 ) 19 20 // Make sure we can create a simple container with some args 21 func (s *DockerSuite) TestCreateArgs(c *check.C) { 22 // Intentionally clear entrypoint, as the Windows busybox image needs an entrypoint, which breaks this test 23 out, _ := dockerCmd(c, "create", "--entrypoint=", "busybox", "command", "arg1", "arg2", "arg with space", "-c", "flags") 24 25 cleanedContainerID := strings.TrimSpace(out) 26 27 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 28 29 containers := []struct { 30 ID string 31 Created time.Time 32 Path string 33 Args []string 34 Image string 35 }{} 36 37 err := json.Unmarshal([]byte(out), &containers) 38 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 39 c.Assert(containers, checker.HasLen, 1) 40 41 cont := containers[0] 42 c.Assert(string(cont.Path), checker.Equals, "command", check.Commentf("Unexpected container path. Expected command, received: %s", cont.Path)) 43 44 b := false 45 expected := []string{"arg1", "arg2", "arg with space", "-c", "flags"} 46 for i, arg := range expected { 47 if arg != cont.Args[i] { 48 b = true 49 break 50 } 51 } 52 if len(cont.Args) != len(expected) || b { 53 c.Fatalf("Unexpected args. Expected %v, received: %v", expected, cont.Args) 54 } 55 56 } 57 58 // Make sure we can grow the container's rootfs at creation time. 59 func (s *DockerSuite) TestCreateGrowRootfs(c *check.C) { 60 // Windows and Devicemapper support growing the rootfs 61 if testEnv.DaemonPlatform() != "windows" { 62 testRequires(c, Devicemapper) 63 } 64 out, _ := dockerCmd(c, "create", "--storage-opt", "size=120G", "busybox") 65 66 cleanedContainerID := strings.TrimSpace(out) 67 68 inspectOut := inspectField(c, cleanedContainerID, "HostConfig.StorageOpt") 69 c.Assert(inspectOut, checker.Equals, "map[size:120G]") 70 } 71 72 // Make sure we cannot shrink the container's rootfs at creation time. 73 func (s *DockerSuite) TestCreateShrinkRootfs(c *check.C) { 74 testRequires(c, Devicemapper) 75 76 // Ensure this fails because of the defaultBaseFsSize is 10G 77 out, _, err := dockerCmdWithError("create", "--storage-opt", "size=5G", "busybox") 78 c.Assert(err, check.NotNil, check.Commentf(out)) 79 c.Assert(out, checker.Contains, "Container size cannot be smaller than") 80 } 81 82 // Make sure we can set hostconfig options too 83 func (s *DockerSuite) TestCreateHostConfig(c *check.C) { 84 out, _ := dockerCmd(c, "create", "-P", "busybox", "echo") 85 86 cleanedContainerID := strings.TrimSpace(out) 87 88 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 89 90 containers := []struct { 91 HostConfig *struct { 92 PublishAllPorts bool 93 } 94 }{} 95 96 err := json.Unmarshal([]byte(out), &containers) 97 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 98 c.Assert(containers, checker.HasLen, 1) 99 100 cont := containers[0] 101 c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none")) 102 c.Assert(cont.HostConfig.PublishAllPorts, check.NotNil, check.Commentf("Expected PublishAllPorts, got false")) 103 } 104 105 func (s *DockerSuite) TestCreateWithPortRange(c *check.C) { 106 out, _ := dockerCmd(c, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo") 107 108 cleanedContainerID := strings.TrimSpace(out) 109 110 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 111 112 containers := []struct { 113 HostConfig *struct { 114 PortBindings map[nat.Port][]nat.PortBinding 115 } 116 }{} 117 err := json.Unmarshal([]byte(out), &containers) 118 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 119 c.Assert(containers, checker.HasLen, 1) 120 121 cont := containers[0] 122 123 c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none")) 124 c.Assert(cont.HostConfig.PortBindings, checker.HasLen, 4, check.Commentf("Expected 4 ports bindings, got %d", len(cont.HostConfig.PortBindings))) 125 126 for k, v := range cont.HostConfig.PortBindings { 127 c.Assert(v, checker.HasLen, 1, check.Commentf("Expected 1 ports binding, for the port %s but found %s", k, v)) 128 c.Assert(k.Port(), checker.Equals, v[0].HostPort, check.Commentf("Expected host port %s to match published port %s", k.Port(), v[0].HostPort)) 129 130 } 131 132 } 133 134 func (s *DockerSuite) TestCreateWithLargePortRange(c *check.C) { 135 out, _ := dockerCmd(c, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo") 136 137 cleanedContainerID := strings.TrimSpace(out) 138 139 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 140 141 containers := []struct { 142 HostConfig *struct { 143 PortBindings map[nat.Port][]nat.PortBinding 144 } 145 }{} 146 147 err := json.Unmarshal([]byte(out), &containers) 148 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 149 c.Assert(containers, checker.HasLen, 1) 150 151 cont := containers[0] 152 c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none")) 153 c.Assert(cont.HostConfig.PortBindings, checker.HasLen, 65535) 154 155 for k, v := range cont.HostConfig.PortBindings { 156 c.Assert(v, checker.HasLen, 1) 157 c.Assert(k.Port(), checker.Equals, v[0].HostPort, check.Commentf("Expected host port %s to match published port %s", k.Port(), v[0].HostPort)) 158 } 159 160 } 161 162 // "test123" should be printed by docker create + start 163 func (s *DockerSuite) TestCreateEchoStdout(c *check.C) { 164 out, _ := dockerCmd(c, "create", "busybox", "echo", "test123") 165 166 cleanedContainerID := strings.TrimSpace(out) 167 168 out, _ = dockerCmd(c, "start", "-ai", cleanedContainerID) 169 c.Assert(out, checker.Equals, "test123\n", check.Commentf("container should've printed 'test123', got %q", out)) 170 171 } 172 173 func (s *DockerSuite) TestCreateVolumesCreated(c *check.C) { 174 testRequires(c, SameHostDaemon) 175 prefix, slash := getPrefixAndSlashFromDaemonPlatform() 176 177 name := "test_create_volume" 178 dockerCmd(c, "create", "--name", name, "-v", prefix+slash+"foo", "busybox") 179 180 dir, err := inspectMountSourceField(name, prefix+slash+"foo") 181 c.Assert(err, check.IsNil, check.Commentf("Error getting volume host path: %q", err)) 182 183 if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) { 184 c.Fatalf("Volume was not created") 185 } 186 if err != nil { 187 c.Fatalf("Error statting volume host path: %q", err) 188 } 189 190 } 191 192 func (s *DockerSuite) TestCreateLabels(c *check.C) { 193 name := "test_create_labels" 194 expected := map[string]string{"k1": "v1", "k2": "v2"} 195 dockerCmd(c, "create", "--name", name, "-l", "k1=v1", "--label", "k2=v2", "busybox") 196 197 actual := make(map[string]string) 198 inspectFieldAndUnmarshall(c, name, "Config.Labels", &actual) 199 200 if !reflect.DeepEqual(expected, actual) { 201 c.Fatalf("Expected %s got %s", expected, actual) 202 } 203 } 204 205 func (s *DockerSuite) TestCreateLabelFromImage(c *check.C) { 206 imageName := "testcreatebuildlabel" 207 buildImageSuccessfully(c, imageName, withDockerfile(`FROM busybox 208 LABEL k1=v1 k2=v2`)) 209 210 name := "test_create_labels_from_image" 211 expected := map[string]string{"k2": "x", "k3": "v3", "k1": "v1"} 212 dockerCmd(c, "create", "--name", name, "-l", "k2=x", "--label", "k3=v3", imageName) 213 214 actual := make(map[string]string) 215 inspectFieldAndUnmarshall(c, name, "Config.Labels", &actual) 216 217 if !reflect.DeepEqual(expected, actual) { 218 c.Fatalf("Expected %s got %s", expected, actual) 219 } 220 } 221 222 func (s *DockerSuite) TestCreateHostnameWithNumber(c *check.C) { 223 image := "busybox" 224 // Busybox on Windows does not implement hostname command 225 if testEnv.DaemonPlatform() == "windows" { 226 image = testEnv.MinimalBaseImage() 227 } 228 out, _ := dockerCmd(c, "run", "-h", "web.0", image, "hostname") 229 c.Assert(strings.TrimSpace(out), checker.Equals, "web.0", check.Commentf("hostname not set, expected `web.0`, got: %s", out)) 230 231 } 232 233 func (s *DockerSuite) TestCreateRM(c *check.C) { 234 // Test to make sure we can 'rm' a new container that is in 235 // "Created" state, and has ever been run. Test "rm -f" too. 236 237 // create a container 238 out, _ := dockerCmd(c, "create", "busybox") 239 cID := strings.TrimSpace(out) 240 241 dockerCmd(c, "rm", cID) 242 243 // Now do it again so we can "rm -f" this time 244 out, _ = dockerCmd(c, "create", "busybox") 245 246 cID = strings.TrimSpace(out) 247 dockerCmd(c, "rm", "-f", cID) 248 } 249 250 func (s *DockerSuite) TestCreateModeIpcContainer(c *check.C) { 251 // Uses Linux specific functionality (--ipc) 252 testRequires(c, DaemonIsLinux, SameHostDaemon) 253 254 out, _ := dockerCmd(c, "create", "busybox") 255 id := strings.TrimSpace(out) 256 257 dockerCmd(c, "create", fmt.Sprintf("--ipc=container:%s", id), "busybox") 258 } 259 260 func (s *DockerSuite) TestCreateByImageID(c *check.C) { 261 imageName := "testcreatebyimageid" 262 buildImageSuccessfully(c, imageName, withDockerfile(`FROM busybox 263 MAINTAINER dockerio`)) 264 imageID := getIDByName(c, imageName) 265 truncatedImageID := stringid.TruncateID(imageID) 266 267 dockerCmd(c, "create", imageID) 268 dockerCmd(c, "create", truncatedImageID) 269 dockerCmd(c, "create", fmt.Sprintf("%s:%s", imageName, truncatedImageID)) 270 271 // Ensure this fails 272 out, exit, _ := dockerCmdWithError("create", fmt.Sprintf("%s:%s", imageName, imageID)) 273 if exit == 0 { 274 c.Fatalf("expected non-zero exit code; received %d", exit) 275 } 276 277 if expected := "invalid reference format"; !strings.Contains(out, expected) { 278 c.Fatalf(`Expected %q in output; got: %s`, expected, out) 279 } 280 281 out, exit, _ = dockerCmdWithError("create", fmt.Sprintf("%s:%s", "wrongimage", truncatedImageID)) 282 if exit == 0 { 283 c.Fatalf("expected non-zero exit code; received %d", exit) 284 } 285 286 if expected := "Unable to find image"; !strings.Contains(out, expected) { 287 c.Fatalf(`Expected %q in output; got: %s`, expected, out) 288 } 289 } 290 291 func (s *DockerTrustSuite) TestTrustedCreate(c *check.C) { 292 repoName := s.setupTrustedImage(c, "trusted-create") 293 294 // Try create 295 icmd.RunCmd(icmd.Command(dockerBinary, "create", repoName), trustedCmd).Assert(c, SuccessTagging) 296 297 dockerCmd(c, "rmi", repoName) 298 299 // Try untrusted create to ensure we pushed the tag to the registry 300 icmd.RunCmd(icmd.Command(dockerBinary, "create", "--disable-content-trust=true", repoName), trustedCmd).Assert(c, SuccessDownloadedOnStderr) 301 } 302 303 func (s *DockerTrustSuite) TestUntrustedCreate(c *check.C) { 304 repoName := fmt.Sprintf("%v/dockercliuntrusted/createtest", privateRegistryURL) 305 withTagName := fmt.Sprintf("%s:latest", repoName) 306 // tag the image and upload it to the private registry 307 dockerCmd(c, "tag", "busybox", withTagName) 308 dockerCmd(c, "push", withTagName) 309 dockerCmd(c, "rmi", withTagName) 310 311 // Try trusted create on untrusted tag 312 icmd.RunCmd(icmd.Command(dockerBinary, "create", withTagName), trustedCmd).Assert(c, icmd.Expected{ 313 ExitCode: 1, 314 Err: fmt.Sprintf("does not have trust data for %s", repoName), 315 }) 316 } 317 318 func (s *DockerTrustSuite) TestTrustedIsolatedCreate(c *check.C) { 319 repoName := s.setupTrustedImage(c, "trusted-isolated-create") 320 321 // Try create 322 icmd.RunCmd(icmd.Command(dockerBinary, "--config", "/tmp/docker-isolated-create", "create", repoName), trustedCmd).Assert(c, SuccessTagging) 323 324 dockerCmd(c, "rmi", repoName) 325 } 326 327 func (s *DockerTrustSuite) TestCreateWhenCertExpired(c *check.C) { 328 c.Skip("Currently changes system time, causing instability") 329 repoName := s.setupTrustedImage(c, "trusted-create-expired") 330 331 // Certificates have 10 years of expiration 332 elevenYearsFromNow := time.Now().Add(time.Hour * 24 * 365 * 11) 333 334 testutil.RunAtDifferentDate(elevenYearsFromNow, func() { 335 // Try create 336 icmd.RunCmd(icmd.Cmd{ 337 Command: []string{dockerBinary, "create", repoName}, 338 }, trustedCmd).Assert(c, icmd.Expected{ 339 ExitCode: 1, 340 Err: "could not validate the path to a trusted root", 341 }) 342 }) 343 344 testutil.RunAtDifferentDate(elevenYearsFromNow, func() { 345 // Try create 346 result := icmd.RunCmd(icmd.Command(dockerBinary, "create", "--disable-content-trust", repoName), trustedCmd) 347 c.Assert(result.Error, check.Not(check.IsNil)) 348 c.Assert(string(result.Combined()), checker.Contains, "Status: Downloaded", check.Commentf("Missing expected output on trusted create in the distant future:\n%s", result.Combined())) 349 350 }) 351 } 352 353 func (s *DockerTrustSuite) TestTrustedCreateFromBadTrustServer(c *check.C) { 354 repoName := fmt.Sprintf("%v/dockerclievilcreate/trusted:latest", privateRegistryURL) 355 evilLocalConfigDir, err := ioutil.TempDir("", "evilcreate-local-config-dir") 356 c.Assert(err, check.IsNil) 357 358 // tag the image and upload it to the private registry 359 dockerCmd(c, "tag", "busybox", repoName) 360 361 icmd.RunCmd(icmd.Command(dockerBinary, "push", repoName), trustedCmd).Assert(c, SuccessSigningAndPushing) 362 363 dockerCmd(c, "rmi", repoName) 364 365 // Try create 366 icmd.RunCmd(icmd.Command(dockerBinary, "create", repoName), trustedCmd).Assert(c, SuccessTagging) 367 368 dockerCmd(c, "rmi", repoName) 369 370 // Kill the notary server, start a new "evil" one. 371 s.not.Close() 372 s.not, err = newTestNotary(c) 373 c.Assert(err, check.IsNil) 374 375 // In order to make an evil server, lets re-init a client (with a different trust dir) and push new data. 376 // tag an image and upload it to the private registry 377 dockerCmd(c, "--config", evilLocalConfigDir, "tag", "busybox", repoName) 378 379 // Push up to the new server 380 icmd.RunCmd(icmd.Command(dockerBinary, "--config", evilLocalConfigDir, "push", repoName), trustedCmd).Assert(c, SuccessSigningAndPushing) 381 382 // Now, try creating with the original client from this new trust server. This should fail because the new root is invalid. 383 icmd.RunCmd(icmd.Command(dockerBinary, "create", repoName), trustedCmd).Assert(c, icmd.Expected{ 384 ExitCode: 1, 385 Err: "could not rotate trust to a new trusted root", 386 }) 387 } 388 389 func (s *DockerSuite) TestCreateStopSignal(c *check.C) { 390 name := "test_create_stop_signal" 391 dockerCmd(c, "create", "--name", name, "--stop-signal", "9", "busybox") 392 393 res := inspectFieldJSON(c, name, "Config.StopSignal") 394 c.Assert(res, checker.Contains, "9") 395 396 } 397 398 func (s *DockerSuite) TestCreateWithWorkdir(c *check.C) { 399 name := "foo" 400 401 prefix, slash := getPrefixAndSlashFromDaemonPlatform() 402 dir := prefix + slash + "home" + slash + "foo" + slash + "bar" 403 404 dockerCmd(c, "create", "--name", name, "-w", dir, "busybox") 405 // Windows does not create the workdir until the container is started 406 if testEnv.DaemonPlatform() == "windows" { 407 dockerCmd(c, "start", name) 408 } 409 dockerCmd(c, "cp", fmt.Sprintf("%s:%s", name, dir), prefix+slash+"tmp") 410 } 411 412 func (s *DockerSuite) TestCreateWithInvalidLogOpts(c *check.C) { 413 name := "test-invalidate-log-opts" 414 out, _, err := dockerCmdWithError("create", "--name", name, "--log-opt", "invalid=true", "busybox") 415 c.Assert(err, checker.NotNil) 416 c.Assert(out, checker.Contains, "unknown log opt") 417 418 out, _ = dockerCmd(c, "ps", "-a") 419 c.Assert(out, checker.Not(checker.Contains), name) 420 } 421 422 // #20972 423 func (s *DockerSuite) TestCreate64ByteHexID(c *check.C) { 424 out := inspectField(c, "busybox", "Id") 425 imageID := strings.TrimPrefix(strings.TrimSpace(string(out)), "sha256:") 426 427 dockerCmd(c, "create", imageID) 428 } 429 430 // Test case for #23498 431 func (s *DockerSuite) TestCreateUnsetEntrypoint(c *check.C) { 432 name := "test-entrypoint" 433 dockerfile := `FROM busybox 434 ADD entrypoint.sh /entrypoint.sh 435 RUN chmod 755 /entrypoint.sh 436 ENTRYPOINT ["/entrypoint.sh"] 437 CMD echo foobar` 438 439 ctx := fakeContext(c, dockerfile, map[string]string{ 440 "entrypoint.sh": `#!/bin/sh 441 echo "I am an entrypoint" 442 exec "$@"`, 443 }) 444 defer ctx.Close() 445 446 buildImageSuccessfully(c, name, withExternalBuildContext(ctx)) 447 448 out, _ := dockerCmd(c, "create", "--entrypoint=", name, "echo", "foo") 449 id := strings.TrimSpace(out) 450 c.Assert(id, check.Not(check.Equals), "") 451 out, _ = dockerCmd(c, "start", "-a", id) 452 c.Assert(strings.TrimSpace(out), check.Equals, "foo") 453 } 454 455 // #22471 456 func (s *DockerSuite) TestCreateStopTimeout(c *check.C) { 457 name1 := "test_create_stop_timeout_1" 458 dockerCmd(c, "create", "--name", name1, "--stop-timeout", "15", "busybox") 459 460 res := inspectFieldJSON(c, name1, "Config.StopTimeout") 461 c.Assert(res, checker.Contains, "15") 462 463 name2 := "test_create_stop_timeout_2" 464 dockerCmd(c, "create", "--name", name2, "busybox") 465 466 res = inspectFieldJSON(c, name2, "Config.StopTimeout") 467 c.Assert(res, checker.Contains, "null") 468 }