@@ -49,7 +49,7 @@ func (s *containerRouter) postContainerExecCreate(ctx context.Context, w http.Re

 		return err

 	}

-	return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerExecCreateResponse{

+	return httputils.WriteJSON(w, http.StatusCreated, &types.IDResponse{

 		ID: id,

 	})

 }

@@ -1075,6 +1075,16 @@ definitions:

     example:

       message: "Something went wrong."

+  IdResponse:

+    description: "Response to an API call that returns just an Id"

+    type: "object"

+    required: ["Id"]

+    properties:

+      Id:

+        description: "The id of the newly created object."

+        type: "string"

+        x-nullable: false

+

   EndpointSettings:

     description: "Configuration for a network endpoint."

     type: "object"

@@ -5194,19 +5204,7 @@ paths:

         201:

           description: "no error"

           schema:

-            type: "object"

-            properties:

-              Id:

-                description: "The ID of the exec instance created."

-                type: "string"

-              Warnings:

-                type: "array"

-                items:

-                  type: "string"

-          examples:

-            application/json:

-              Id: "f90e34656806"

-              Warnings: []

+            $ref: "#/definitions/IdResponse"

         404:

           description: "no such container"

           schema:

new file mode 100644

@@ -0,0 +1,13 @@

+package types

+

+// This file was generated by the swagger tool.

+// Editing this file might prove futile when you re-run the swagger generate command

+

+// IDResponse Response to an API call that returns just an Id

+// swagger:model IdResponse

+type IDResponse struct {

+

+	// The id of the newly created object.

+	// Required: true

+	ID string `json:"Id"`

+}

@@ -13,13 +13,6 @@ import (

 	"github.com/docker/go-connections/nat"

 )

-// ContainerExecCreateResponse contains response of Remote API:

-// POST "/containers/{name:.*}/exec"

-type ContainerExecCreateResponse struct {

-	// ID is the exec ID.

-	ID string `json:"Id"`

-}

-

 // ContainerUpdateResponse contains response of Remote API:

 // POST "/containers/{name:.*}/update"

 type ContainerUpdateResponse struct {

@@ -8,8 +8,8 @@ import (

 )

 // ContainerExecCreate creates a new exec configuration to run an exec process.

-func (cli *Client) ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.ContainerExecCreateResponse, error) {

-	var response types.ContainerExecCreateResponse

+func (cli *Client) ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.IDResponse, error) {

+	var response types.IDResponse

 	resp, err := cli.post(ctx, "/containers/"+container+"/exec", nil, config, nil)

 	if err != nil {

 		return response, err

@@ -45,7 +45,7 @@ func TestContainerExecCreate(t *testing.T) {

 			if execConfig.User != "user" {

 				return nil, fmt.Errorf("expected an execConfig with User == 'user', got %v", execConfig)

 			}

-			b, err := json.Marshal(types.ContainerExecCreateResponse{

+			b, err := json.Marshal(types.IDResponse{

 				ID: "exec_id",

 			})

 			if err != nil {

@@ -37,7 +37,7 @@ type ContainerAPIClient interface {

 	ContainerCreate(ctx context.Context, config *container.Config, hostConfig *container.HostConfig, networkingConfig *network.NetworkingConfig, containerName string) (container.ContainerCreateCreatedBody, error)

 	ContainerDiff(ctx context.Context, container string) ([]types.ContainerChange, error)

 	ContainerExecAttach(ctx context.Context, execID string, config types.ExecConfig) (types.HijackedResponse, error)

-	ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.ContainerExecCreateResponse, error)

+	ContainerExecCreate(ctx context.Context, container string, config types.ExecConfig) (types.IDResponse, error)

 	ContainerExecInspect(ctx context.Context, execID string) (types.ContainerExecInspect, error)

 	ContainerExecResize(ctx context.Context, execID string, options types.ResizeOptions) error

 	ContainerExecStart(ctx context.Context, execID string, config types.ExecStartCheck) error

@@ -7,7 +7,8 @@ swagger generate model -f api/swagger.yaml \

     -n Port \

     -n ImageSummary \

     -n Plugin -n PluginDevice -n PluginMount -n PluginEnv -n PluginInterfaceType \

-    -n ErrorResponse

+    -n ErrorResponse \

+    -n IdResponse

 swagger generate operation -f api/swagger.yaml \

     -t api -a types -m types -C api/swagger-gen.yaml \