Move engine-api client package

This moves the engine-api client package to `/docker/docker/client`.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

client/container_create.go

@@ -0,0 +1,46 @@
+package client
+
+import (
+	"encoding/json"
+	"net/url"
+	"strings"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/api/types/network"
+	"golang.org/x/net/context"
+)
+
+type configWrapper struct {
+	*container.Config
+	HostConfig       *container.HostConfig
+	NetworkingConfig *network.NetworkingConfig
+}
+
+// ContainerCreate creates a new container based in the given configuration.
+// It can be associated with a name, but it's not mandatory.
+func (cli *Client) ContainerCreate(ctx context.Context, config *container.Config, hostConfig *container.HostConfig, networkingConfig *network.NetworkingConfig, containerName string) (types.ContainerCreateResponse, error) {
+	var response types.ContainerCreateResponse
+	query := url.Values{}
+	if containerName != "" {
+		query.Set("name", containerName)
+	}
+
+	body := configWrapper{
+		Config:           config,
+		HostConfig:       hostConfig,
+		NetworkingConfig: networkingConfig,
+	}
+
+	serverResp, err := cli.post(ctx, "/containers/create", query, body, nil)
+	if err != nil {
+		if serverResp.statusCode == 404 && strings.Contains(err.Error(), "No such image") {
+			return response, imageNotFoundError{config.Image}
+		}
+		return response, err
+	}
+
+	err = json.NewDecoder(serverResp.body).Decode(&response)
+	ensureReaderClosed(serverResp)
+	return response, err
+}