github.com/zhouyu0/docker-note@v0.0.0-20190722021225-b8d3825084db/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 "gotest.tools/assert" 19 is "gotest.tools/assert/cmp" 20 ) 21 22 // Make sure we can create a simple container with some args 23 func (s *DockerSuite) TestCreateArgs(c *check.C) { 24 // Intentionally clear entrypoint, as the Windows busybox image needs an entrypoint, which breaks this test 25 out, _ := dockerCmd(c, "create", "--entrypoint=", "busybox", "command", "arg1", "arg2", "arg with space", "-c", "flags") 26 27 cleanedContainerID := strings.TrimSpace(out) 28 29 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 30 31 var containers []struct { 32 ID string 33 Created time.Time 34 Path string 35 Args []string 36 Image string 37 } 38 39 err := json.Unmarshal([]byte(out), &containers) 40 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 41 assert.Equal(c, len(containers), 1) 42 43 cont := containers[0] 44 c.Assert(string(cont.Path), checker.Equals, "command", check.Commentf("Unexpected container path. Expected command, received: %s", cont.Path)) 45 46 b := false 47 expected := []string{"arg1", "arg2", "arg with space", "-c", "flags"} 48 for i, arg := range expected { 49 if arg != cont.Args[i] { 50 b = true 51 break 52 } 53 } 54 if len(cont.Args) != len(expected) || b { 55 c.Fatalf("Unexpected args. Expected %v, received: %v", expected, cont.Args) 56 } 57 58 } 59 60 // Make sure we can grow the container's rootfs at creation time. 61 func (s *DockerSuite) TestCreateGrowRootfs(c *check.C) { 62 // Windows and Devicemapper support growing the rootfs 63 if testEnv.OSType != "windows" { 64 testRequires(c, Devicemapper) 65 } 66 out, _ := dockerCmd(c, "create", "--storage-opt", "size=120G", "busybox") 67 68 cleanedContainerID := strings.TrimSpace(out) 69 70 inspectOut := inspectField(c, cleanedContainerID, "HostConfig.StorageOpt") 71 c.Assert(inspectOut, checker.Equals, "map[size:120G]") 72 } 73 74 // Make sure we cannot shrink the container's rootfs at creation time. 75 func (s *DockerSuite) TestCreateShrinkRootfs(c *check.C) { 76 testRequires(c, Devicemapper) 77 78 // Ensure this fails because of the defaultBaseFsSize is 10G 79 out, _, err := dockerCmdWithError("create", "--storage-opt", "size=5G", "busybox") 80 assert.ErrorContains(c, err, "", out) 81 c.Assert(out, checker.Contains, "Container size cannot be smaller than") 82 } 83 84 // Make sure we can set hostconfig options too 85 func (s *DockerSuite) TestCreateHostConfig(c *check.C) { 86 out, _ := dockerCmd(c, "create", "-P", "busybox", "echo") 87 88 cleanedContainerID := strings.TrimSpace(out) 89 90 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 91 92 var containers []struct { 93 HostConfig *struct { 94 PublishAllPorts bool 95 } 96 } 97 98 err := json.Unmarshal([]byte(out), &containers) 99 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 100 assert.Equal(c, len(containers), 1) 101 102 cont := containers[0] 103 c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none")) 104 c.Assert(cont.HostConfig.PublishAllPorts, check.NotNil, check.Commentf("Expected PublishAllPorts, got false")) 105 } 106 107 func (s *DockerSuite) TestCreateWithPortRange(c *check.C) { 108 out, _ := dockerCmd(c, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo") 109 110 cleanedContainerID := strings.TrimSpace(out) 111 112 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 113 114 var containers []struct { 115 HostConfig *struct { 116 PortBindings map[nat.Port][]nat.PortBinding 117 } 118 } 119 err := json.Unmarshal([]byte(out), &containers) 120 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 121 assert.Equal(c, len(containers), 1) 122 123 cont := containers[0] 124 125 c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none")) 126 c.Assert(cont.HostConfig.PortBindings, checker.HasLen, 4, check.Commentf("Expected 4 ports bindings, got %d", len(cont.HostConfig.PortBindings))) 127 128 for k, v := range cont.HostConfig.PortBindings { 129 c.Assert(v, checker.HasLen, 1, check.Commentf("Expected 1 ports binding, for the port %s but found %s", k, v)) 130 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)) 131 132 } 133 134 } 135 136 func (s *DockerSuite) TestCreateWithLargePortRange(c *check.C) { 137 out, _ := dockerCmd(c, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo") 138 139 cleanedContainerID := strings.TrimSpace(out) 140 141 out, _ = dockerCmd(c, "inspect", cleanedContainerID) 142 143 var containers []struct { 144 HostConfig *struct { 145 PortBindings map[nat.Port][]nat.PortBinding 146 } 147 } 148 149 err := json.Unmarshal([]byte(out), &containers) 150 c.Assert(err, check.IsNil, check.Commentf("Error inspecting the container: %s", err)) 151 assert.Equal(c, len(containers), 1) 152 153 cont := containers[0] 154 c.Assert(cont.HostConfig, check.NotNil, check.Commentf("Expected HostConfig, got none")) 155 c.Assert(cont.HostConfig.PortBindings, checker.HasLen, 65535) 156 157 for k, v := range cont.HostConfig.PortBindings { 158 c.Assert(v, checker.HasLen, 1) 159 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)) 160 } 161 162 } 163 164 // "test123" should be printed by docker create + start 165 func (s *DockerSuite) TestCreateEchoStdout(c *check.C) { 166 out, _ := dockerCmd(c, "create", "busybox", "echo", "test123") 167 168 cleanedContainerID := strings.TrimSpace(out) 169 170 out, _ = dockerCmd(c, "start", "-ai", cleanedContainerID) 171 assert.Equal(c, out, "test123\n", "container should've printed 'test123', got %q", out) 172 } 173 174 func (s *DockerSuite) TestCreateVolumesCreated(c *check.C) { 175 testRequires(c, testEnv.IsLocalDaemon) 176 prefix, slash := getPrefixAndSlashFromDaemonPlatform() 177 178 name := "test_create_volume" 179 dockerCmd(c, "create", "--name", name, "-v", prefix+slash+"foo", "busybox") 180 181 dir, err := inspectMountSourceField(name, prefix+slash+"foo") 182 c.Assert(err, check.IsNil, check.Commentf("Error getting volume host path: %q", err)) 183 184 if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) { 185 c.Fatalf("Volume was not created") 186 } 187 if err != nil { 188 c.Fatalf("Error statting volume host path: %q", err) 189 } 190 191 } 192 193 func (s *DockerSuite) TestCreateLabels(c *check.C) { 194 name := "test_create_labels" 195 expected := map[string]string{"k1": "v1", "k2": "v2"} 196 dockerCmd(c, "create", "--name", name, "-l", "k1=v1", "--label", "k2=v2", "busybox") 197 198 actual := make(map[string]string) 199 inspectFieldAndUnmarshall(c, name, "Config.Labels", &actual) 200 201 if !reflect.DeepEqual(expected, actual) { 202 c.Fatalf("Expected %s got %s", expected, actual) 203 } 204 } 205 206 func (s *DockerSuite) TestCreateLabelFromImage(c *check.C) { 207 imageName := "testcreatebuildlabel" 208 buildImageSuccessfully(c, imageName, build.WithDockerfile(`FROM busybox 209 LABEL k1=v1 k2=v2`)) 210 211 name := "test_create_labels_from_image" 212 expected := map[string]string{"k2": "x", "k3": "v3", "k1": "v1"} 213 dockerCmd(c, "create", "--name", name, "-l", "k2=x", "--label", "k3=v3", imageName) 214 215 actual := make(map[string]string) 216 inspectFieldAndUnmarshall(c, name, "Config.Labels", &actual) 217 218 if !reflect.DeepEqual(expected, actual) { 219 c.Fatalf("Expected %s got %s", expected, actual) 220 } 221 } 222 223 func (s *DockerSuite) TestCreateHostnameWithNumber(c *check.C) { 224 image := "busybox" 225 // Busybox on Windows does not implement hostname command 226 if testEnv.OSType == "windows" { 227 image = testEnv.PlatformDefaults.BaseImage 228 } 229 out, _ := dockerCmd(c, "run", "-h", "web.0", image, "hostname") 230 assert.Equal(c, strings.TrimSpace(out), "web.0", "hostname not set, expected `web.0`, got: %s", out) 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, testEnv.IsLocalDaemon) 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 assert.ErrorContains(c, err, "") 320 c.Assert(out, checker.Contains, "unknown log opt") 321 assert.Assert(c, is.Contains(out, "unknown log opt")) 322 323 out, _ = dockerCmd(c, "ps", "-a") 324 c.Assert(out, checker.Not(checker.Contains), name) 325 } 326 327 // #20972 328 func (s *DockerSuite) TestCreate64ByteHexID(c *check.C) { 329 out := inspectField(c, "busybox", "Id") 330 imageID := strings.TrimPrefix(strings.TrimSpace(string(out)), "sha256:") 331 332 dockerCmd(c, "create", imageID) 333 } 334 335 // Test case for #23498 336 func (s *DockerSuite) TestCreateUnsetEntrypoint(c *check.C) { 337 name := "test-entrypoint" 338 dockerfile := `FROM busybox 339 ADD entrypoint.sh /entrypoint.sh 340 RUN chmod 755 /entrypoint.sh 341 ENTRYPOINT ["/entrypoint.sh"] 342 CMD echo foobar` 343 344 ctx := fakecontext.New(c, "", 345 fakecontext.WithDockerfile(dockerfile), 346 fakecontext.WithFiles(map[string]string{ 347 "entrypoint.sh": `#!/bin/sh 348 echo "I am an entrypoint" 349 exec "$@"`, 350 })) 351 defer ctx.Close() 352 353 cli.BuildCmd(c, name, build.WithExternalBuildContext(ctx)) 354 355 out := cli.DockerCmd(c, "create", "--entrypoint=", name, "echo", "foo").Combined() 356 id := strings.TrimSpace(out) 357 c.Assert(id, check.Not(check.Equals), "") 358 out = cli.DockerCmd(c, "start", "-a", id).Combined() 359 c.Assert(strings.TrimSpace(out), check.Equals, "foo") 360 } 361 362 // #22471 363 func (s *DockerSuite) TestCreateStopTimeout(c *check.C) { 364 name1 := "test_create_stop_timeout_1" 365 dockerCmd(c, "create", "--name", name1, "--stop-timeout", "15", "busybox") 366 367 res := inspectFieldJSON(c, name1, "Config.StopTimeout") 368 c.Assert(res, checker.Contains, "15") 369 370 name2 := "test_create_stop_timeout_2" 371 dockerCmd(c, "create", "--name", name2, "busybox") 372 373 res = inspectFieldJSON(c, name2, "Config.StopTimeout") 374 c.Assert(res, checker.Contains, "null") 375 }