github.com/rita33cool1/iot-system-gateway@v0.0.0-20200911033302-e65bde238cc5/docker-engine/integration-cli/docker_cli_create_test.go (about) 1 package main 2 3 import ( 4 "encoding/json" 5 "fmt" 6 "os" 7 "reflect" 8 "strings" 9 "time" 10 11 "github.com/docker/docker/integration-cli/checker" 12 "github.com/docker/docker/integration-cli/cli" 13 "github.com/docker/docker/integration-cli/cli/build" 14 "github.com/docker/docker/internal/test/fakecontext" 15 "github.com/docker/docker/pkg/stringid" 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.OSType != "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, build.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.OSType == "windows" { 226 image = testEnv.PlatformDefaults.BaseImage 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, build.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) 269 270 // Ensure this fails 271 out, exit, _ := dockerCmdWithError("create", fmt.Sprintf("%s:%s", imageName, imageID)) 272 if exit == 0 { 273 c.Fatalf("expected non-zero exit code; received %d", exit) 274 } 275 276 if expected := "invalid reference format"; !strings.Contains(out, expected) { 277 c.Fatalf(`Expected %q in output; got: %s`, expected, out) 278 } 279 280 if i := strings.IndexRune(imageID, ':'); i >= 0 { 281 imageID = imageID[i+1:] 282 } 283 out, exit, _ = dockerCmdWithError("create", fmt.Sprintf("%s:%s", "wrongimage", imageID)) 284 if exit == 0 { 285 c.Fatalf("expected non-zero exit code; received %d", exit) 286 } 287 288 if expected := "Unable to find image"; !strings.Contains(out, expected) { 289 c.Fatalf(`Expected %q in output; got: %s`, expected, out) 290 } 291 } 292 293 func (s *DockerSuite) TestCreateStopSignal(c *check.C) { 294 name := "test_create_stop_signal" 295 dockerCmd(c, "create", "--name", name, "--stop-signal", "9", "busybox") 296 297 res := inspectFieldJSON(c, name, "Config.StopSignal") 298 c.Assert(res, checker.Contains, "9") 299 300 } 301 302 func (s *DockerSuite) TestCreateWithWorkdir(c *check.C) { 303 name := "foo" 304 305 prefix, slash := getPrefixAndSlashFromDaemonPlatform() 306 dir := prefix + slash + "home" + slash + "foo" + slash + "bar" 307 308 dockerCmd(c, "create", "--name", name, "-w", dir, "busybox") 309 // Windows does not create the workdir until the container is started 310 if testEnv.OSType == "windows" { 311 dockerCmd(c, "start", name) 312 } 313 dockerCmd(c, "cp", fmt.Sprintf("%s:%s", name, dir), prefix+slash+"tmp") 314 } 315 316 func (s *DockerSuite) TestCreateWithInvalidLogOpts(c *check.C) { 317 name := "test-invalidate-log-opts" 318 out, _, err := dockerCmdWithError("create", "--name", name, "--log-opt", "invalid=true", "busybox") 319 c.Assert(err, checker.NotNil) 320 c.Assert(out, checker.Contains, "unknown log opt") 321 322 out, _ = dockerCmd(c, "ps", "-a") 323 c.Assert(out, checker.Not(checker.Contains), name) 324 } 325 326 // #20972 327 func (s *DockerSuite) TestCreate64ByteHexID(c *check.C) { 328 out := inspectField(c, "busybox", "Id") 329 imageID := strings.TrimPrefix(strings.TrimSpace(string(out)), "sha256:") 330 331 dockerCmd(c, "create", imageID) 332 } 333 334 // Test case for #23498 335 func (s *DockerSuite) TestCreateUnsetEntrypoint(c *check.C) { 336 name := "test-entrypoint" 337 dockerfile := `FROM busybox 338 ADD entrypoint.sh /entrypoint.sh 339 RUN chmod 755 /entrypoint.sh 340 ENTRYPOINT ["/entrypoint.sh"] 341 CMD echo foobar` 342 343 ctx := fakecontext.New(c, "", 344 fakecontext.WithDockerfile(dockerfile), 345 fakecontext.WithFiles(map[string]string{ 346 "entrypoint.sh": `#!/bin/sh 347 echo "I am an entrypoint" 348 exec "$@"`, 349 })) 350 defer ctx.Close() 351 352 cli.BuildCmd(c, name, build.WithExternalBuildContext(ctx)) 353 354 out := cli.DockerCmd(c, "create", "--entrypoint=", name, "echo", "foo").Combined() 355 id := strings.TrimSpace(out) 356 c.Assert(id, check.Not(check.Equals), "") 357 out = cli.DockerCmd(c, "start", "-a", id).Combined() 358 c.Assert(strings.TrimSpace(out), check.Equals, "foo") 359 } 360 361 // #22471 362 func (s *DockerSuite) TestCreateStopTimeout(c *check.C) { 363 name1 := "test_create_stop_timeout_1" 364 dockerCmd(c, "create", "--name", name1, "--stop-timeout", "15", "busybox") 365 366 res := inspectFieldJSON(c, name1, "Config.StopTimeout") 367 c.Assert(res, checker.Contains, "15") 368 369 name2 := "test_create_stop_timeout_2" 370 dockerCmd(c, "create", "--name", name2, "busybox") 371 372 res = inspectFieldJSON(c, name2, "Config.StopTimeout") 373 c.Assert(res, checker.Contains, "null") 374 }