package main import ( "encoding/json" "fmt" "os" "reflect" "strings" "testing" "github.com/docker/docker/integration-cli/cli" "github.com/docker/docker/integration-cli/cli/build" "github.com/docker/docker/pkg/stringid" "github.com/docker/docker/testutil/fakecontext" "github.com/docker/go-connections/nat" "gotest.tools/assert" is "gotest.tools/assert/cmp" ) // Make sure we can create a simple container with some args func (s *DockerSuite) TestCreateArgs(c *testing.T) { // Intentionally clear entrypoint, as the Windows busybox image needs an entrypoint, which breaks this test out, _ := dockerCmd(c, "create", "--entrypoint=", "busybox", "command", "arg1", "arg2", "arg with space", "-c", "flags") cleanedContainerID := strings.TrimSpace(out) out, _ = dockerCmd(c, "inspect", cleanedContainerID) var containers []struct { Path string Args []string } err := json.Unmarshal([]byte(out), &containers) assert.Assert(c, err == nil, "Error inspecting the container: %s", err) assert.Equal(c, len(containers), 1) cont := containers[0] assert.Equal(c, cont.Path, "command", fmt.Sprintf("Unexpected container path. Expected command, received: %s", cont.Path)) b := false expected := []string{"arg1", "arg2", "arg with space", "-c", "flags"} for i, arg := range expected { if arg != cont.Args[i] { b = true break } } if len(cont.Args) != len(expected) || b { c.Fatalf("Unexpected args. Expected %v, received: %v", expected, cont.Args) } } // Make sure we can grow the container's rootfs at creation time. func (s *DockerSuite) TestCreateGrowRootfs(c *testing.T) { // Windows and Devicemapper support growing the rootfs if testEnv.OSType != "windows" { testRequires(c, Devicemapper) } out, _ := dockerCmd(c, "create", "--storage-opt", "size=120G", "busybox") cleanedContainerID := strings.TrimSpace(out) inspectOut := inspectField(c, cleanedContainerID, "HostConfig.StorageOpt") assert.Equal(c, inspectOut, "map[size:120G]") } // Make sure we cannot shrink the container's rootfs at creation time. func (s *DockerSuite) TestCreateShrinkRootfs(c *testing.T) { testRequires(c, Devicemapper) // Ensure this fails because of the defaultBaseFsSize is 10G out, _, err := dockerCmdWithError("create", "--storage-opt", "size=5G", "busybox") assert.ErrorContains(c, err, "", out) assert.Assert(c, strings.Contains(out, "Container size cannot be smaller than")) } // Make sure we can set hostconfig options too func (s *DockerSuite) TestCreateHostConfig(c *testing.T) { out, _ := dockerCmd(c, "create", "-P", "busybox", "echo") cleanedContainerID := strings.TrimSpace(out) out, _ = dockerCmd(c, "inspect", cleanedContainerID) var containers []struct { HostConfig *struct { PublishAllPorts bool } } err := json.Unmarshal([]byte(out), &containers) assert.Assert(c, err == nil, "Error inspecting the container: %s", err) assert.Equal(c, len(containers), 1) cont := containers[0] assert.Assert(c, cont.HostConfig != nil, "Expected HostConfig, got none") assert.Assert(c, cont.HostConfig.PublishAllPorts, "Expected PublishAllPorts, got false") } func (s *DockerSuite) TestCreateWithPortRange(c *testing.T) { out, _ := dockerCmd(c, "create", "-p", "3300-3303:3300-3303/tcp", "busybox", "echo") cleanedContainerID := strings.TrimSpace(out) out, _ = dockerCmd(c, "inspect", cleanedContainerID) var containers []struct { HostConfig *struct { PortBindings map[nat.Port][]nat.PortBinding } } err := json.Unmarshal([]byte(out), &containers) assert.Assert(c, err == nil, "Error inspecting the container: %s", err) assert.Equal(c, len(containers), 1) cont := containers[0] assert.Assert(c, cont.HostConfig != nil, "Expected HostConfig, got none") assert.Equal(c, len(cont.HostConfig.PortBindings), 4, fmt.Sprintf("Expected 4 ports bindings, got %d", len(cont.HostConfig.PortBindings))) for k, v := range cont.HostConfig.PortBindings { assert.Equal(c, len(v), 1, fmt.Sprintf("Expected 1 ports binding, for the port %s but found %s", k, v)) assert.Equal(c, k.Port(), v[0].HostPort, fmt.Sprintf("Expected host port %s to match published port %s", k.Port(), v[0].HostPort)) } } func (s *DockerSuite) TestCreateWithLargePortRange(c *testing.T) { out, _ := dockerCmd(c, "create", "-p", "1-65535:1-65535/tcp", "busybox", "echo") cleanedContainerID := strings.TrimSpace(out) out, _ = dockerCmd(c, "inspect", cleanedContainerID) var containers []struct { HostConfig *struct { PortBindings map[nat.Port][]nat.PortBinding } } err := json.Unmarshal([]byte(out), &containers) assert.Assert(c, err == nil, "Error inspecting the container: %s", err) assert.Equal(c, len(containers), 1) cont := containers[0] assert.Assert(c, cont.HostConfig != nil, "Expected HostConfig, got none") assert.Equal(c, len(cont.HostConfig.PortBindings), 65535) for k, v := range cont.HostConfig.PortBindings { assert.Equal(c, len(v), 1) assert.Equal(c, k.Port(), v[0].HostPort, fmt.Sprintf("Expected host port %s to match published port %s", k.Port(), v[0].HostPort)) } } // "test123" should be printed by docker create + start func (s *DockerSuite) TestCreateEchoStdout(c *testing.T) { out, _ := dockerCmd(c, "create", "busybox", "echo", "test123") cleanedContainerID := strings.TrimSpace(out) out, _ = dockerCmd(c, "start", "-ai", cleanedContainerID) assert.Equal(c, out, "test123\n", "container should've printed 'test123', got %q", out) } func (s *DockerSuite) TestCreateVolumesCreated(c *testing.T) { testRequires(c, testEnv.IsLocalDaemon) prefix, slash := getPrefixAndSlashFromDaemonPlatform() name := "test_create_volume" dockerCmd(c, "create", "--name", name, "-v", prefix+slash+"foo", "busybox") dir, err := inspectMountSourceField(name, prefix+slash+"foo") assert.Assert(c, err == nil, "Error getting volume host path: %q", err) if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) { c.Fatalf("Volume was not created") } if err != nil { c.Fatalf("Error statting volume host path: %q", err) } } func (s *DockerSuite) TestCreateLabels(c *testing.T) { name := "test_create_labels" expected := map[string]string{"k1": "v1", "k2": "v2"} dockerCmd(c, "create", "--name", name, "-l", "k1=v1", "--label", "k2=v2", "busybox") actual := make(map[string]string) inspectFieldAndUnmarshall(c, name, "Config.Labels", &actual) if !reflect.DeepEqual(expected, actual) { c.Fatalf("Expected %s got %s", expected, actual) } } func (s *DockerSuite) TestCreateLabelFromImage(c *testing.T) { imageName := "testcreatebuildlabel" buildImageSuccessfully(c, imageName, build.WithDockerfile(`FROM busybox LABEL k1=v1 k2=v2`)) name := "test_create_labels_from_image" expected := map[string]string{"k2": "x", "k3": "v3", "k1": "v1"} dockerCmd(c, "create", "--name", name, "-l", "k2=x", "--label", "k3=v3", imageName) actual := make(map[string]string) inspectFieldAndUnmarshall(c, name, "Config.Labels", &actual) if !reflect.DeepEqual(expected, actual) { c.Fatalf("Expected %s got %s", expected, actual) } } func (s *DockerSuite) TestCreateHostnameWithNumber(c *testing.T) { image := "busybox" // Busybox on Windows does not implement hostname command if testEnv.OSType == "windows" { image = testEnv.PlatformDefaults.BaseImage } out, _ := dockerCmd(c, "run", "-h", "web.0", image, "hostname") assert.Equal(c, strings.TrimSpace(out), "web.0", "hostname not set, expected `web.0`, got: %s", out) } func (s *DockerSuite) TestCreateRM(c *testing.T) { // Test to make sure we can 'rm' a new container that is in // "Created" state, and has ever been run. Test "rm -f" too. // create a container out, _ := dockerCmd(c, "create", "busybox") cID := strings.TrimSpace(out) dockerCmd(c, "rm", cID) // Now do it again so we can "rm -f" this time out, _ = dockerCmd(c, "create", "busybox") cID = strings.TrimSpace(out) dockerCmd(c, "rm", "-f", cID) } func (s *DockerSuite) TestCreateModeIpcContainer(c *testing.T) { // Uses Linux specific functionality (--ipc) testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon) out, _ := dockerCmd(c, "create", "busybox") id := strings.TrimSpace(out) dockerCmd(c, "create", fmt.Sprintf("--ipc=container:%s", id), "busybox") } func (s *DockerSuite) TestCreateByImageID(c *testing.T) { imageName := "testcreatebyimageid" buildImageSuccessfully(c, imageName, build.WithDockerfile(`FROM busybox MAINTAINER dockerio`)) imageID := getIDByName(c, imageName) truncatedImageID := stringid.TruncateID(imageID) dockerCmd(c, "create", imageID) dockerCmd(c, "create", truncatedImageID) // Ensure this fails out, exit, _ := dockerCmdWithError("create", fmt.Sprintf("%s:%s", imageName, imageID)) if exit == 0 { c.Fatalf("expected non-zero exit code; received %d", exit) } if expected := "invalid reference format"; !strings.Contains(out, expected) { c.Fatalf(`Expected %q in output; got: %s`, expected, out) } if i := strings.IndexRune(imageID, ':'); i >= 0 { imageID = imageID[i+1:] } out, exit, _ = dockerCmdWithError("create", fmt.Sprintf("%s:%s", "wrongimage", imageID)) if exit == 0 { c.Fatalf("expected non-zero exit code; received %d", exit) } if expected := "Unable to find image"; !strings.Contains(out, expected) { c.Fatalf(`Expected %q in output; got: %s`, expected, out) } } func (s *DockerSuite) TestCreateStopSignal(c *testing.T) { name := "test_create_stop_signal" dockerCmd(c, "create", "--name", name, "--stop-signal", "9", "busybox") res := inspectFieldJSON(c, name, "Config.StopSignal") assert.Assert(c, strings.Contains(res, "9")) } func (s *DockerSuite) TestCreateWithWorkdir(c *testing.T) { name := "foo" prefix, slash := getPrefixAndSlashFromDaemonPlatform() dir := prefix + slash + "home" + slash + "foo" + slash + "bar" dockerCmd(c, "create", "--name", name, "-w", dir, "busybox") // Windows does not create the workdir until the container is started if testEnv.OSType == "windows" { dockerCmd(c, "start", name) if IsolationIsHyperv() { // Hyper-V isolated containers do not allow file-operations on a // running container. This test currently uses `docker cp` to verify // that the WORKDIR was automatically created, which cannot be done // while the container is running. dockerCmd(c, "stop", name) } } // TODO: rewrite this test to not use `docker cp` for verifying that the WORKDIR was created dockerCmd(c, "cp", fmt.Sprintf("%s:%s", name, dir), prefix+slash+"tmp") } func (s *DockerSuite) TestCreateWithInvalidLogOpts(c *testing.T) { name := "test-invalidate-log-opts" out, _, err := dockerCmdWithError("create", "--name", name, "--log-opt", "invalid=true", "busybox") assert.ErrorContains(c, err, "") assert.Assert(c, strings.Contains(out, "unknown log opt")) assert.Assert(c, is.Contains(out, "unknown log opt")) out, _ = dockerCmd(c, "ps", "-a") assert.Assert(c, !strings.Contains(out, name)) } // #20972 func (s *DockerSuite) TestCreate64ByteHexID(c *testing.T) { out := inspectField(c, "busybox", "Id") imageID := strings.TrimPrefix(strings.TrimSpace(out), "sha256:") dockerCmd(c, "create", imageID) } // Test case for #23498 func (s *DockerSuite) TestCreateUnsetEntrypoint(c *testing.T) { name := "test-entrypoint" dockerfile := `FROM busybox ADD entrypoint.sh /entrypoint.sh RUN chmod 755 /entrypoint.sh ENTRYPOINT ["/entrypoint.sh"] CMD echo foobar` ctx := fakecontext.New(c, "", fakecontext.WithDockerfile(dockerfile), fakecontext.WithFiles(map[string]string{ "entrypoint.sh": `#!/bin/sh echo "I am an entrypoint" exec "$@"`, })) defer ctx.Close() cli.BuildCmd(c, name, build.WithExternalBuildContext(ctx)) out := cli.DockerCmd(c, "create", "--entrypoint=", name, "echo", "foo").Combined() id := strings.TrimSpace(out) assert.Assert(c, id != "") out = cli.DockerCmd(c, "start", "-a", id).Combined() assert.Equal(c, strings.TrimSpace(out), "foo") } // #22471 func (s *DockerSuite) TestCreateStopTimeout(c *testing.T) { name1 := "test_create_stop_timeout_1" dockerCmd(c, "create", "--name", name1, "--stop-timeout", "15", "busybox") res := inspectFieldJSON(c, name1, "Config.StopTimeout") assert.Assert(c, strings.Contains(res, "15")) name2 := "test_create_stop_timeout_2" dockerCmd(c, "create", "--name", name2, "busybox") res = inspectFieldJSON(c, name2, "Config.StopTimeout") assert.Assert(c, strings.Contains(res, "null")) }