package client import ( "encoding/json" "io" "net/url" "golang.org/x/net/context" "github.com/docker/distribution/reference" "github.com/docker/docker/api/types" "github.com/docker/docker/pkg/system" specs "github.com/opencontainers/image-spec/specs-go/v1" ) // ImageCreate creates a new image based in the parent options. // It returns the JSON content in the response body. func (cli *Client) ImageCreate(ctx context.Context, parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error) { ref, err := reference.ParseNormalizedNamed(parentReference) if err != nil { return nil, err } query := url.Values{} query.Set("fromImage", reference.FamiliarName(ref)) query.Set("tag", getAPITagFromNamedRef(ref)) resp, err := cli.tryImageCreate(ctx, query, options.RegistryAuth, options.Platform) if err != nil { return nil, err } return resp.body, nil } func (cli *Client) tryImageCreate(ctx context.Context, query url.Values, registryAuth string, platform specs.Platform) (serverResponse, error) { headers := map[string][]string{"X-Registry-Auth": {registryAuth}} // TODO @jhowardmsft: system.IsPlatformEmpty is a temporary function. We need to move // (in the reasonably short future) to a package which supports all the platform // validation such as is proposed in https://github.com/containerd/containerd/pull/1403 if !system.IsPlatformEmpty(platform) { platformJSON, err := json.Marshal(platform) if err != nil { return serverResponse{}, err } headers["X-Requested-Platform"] = []string{string(platformJSON[:])} } return cli.post(ctx, "/images/create", query, nil, headers) }