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package client // import "github.com/docker/docker/client"
import (
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"github.com/distribution/reference"
"github.com/docker/docker/api/types/image"
"github.com/docker/docker/api/types/registry"
"github.com/docker/docker/errdefs"
)
// ImagePush requests the docker host to push an image to a remote registry.
// It executes the privileged function if the operation is unauthorized
// and it tries one more time.
// It's up to the caller to handle the io.ReadCloser and close it properly.
func (cli *Client) ImagePush(ctx context.Context, image string, options image.PushOptions) (io.ReadCloser, error) {
ref, err := reference.ParseNormalizedNamed(image)
if err != nil {
return nil, err
}
if _, isCanonical := ref.(reference.Canonical); isCanonical {
return nil, errors.New("cannot push a digest reference")
}
name := reference.FamiliarName(ref)
query := url.Values{}
if !options.All {
ref = reference.TagNameOnly(ref)
if tagged, ok := ref.(reference.Tagged); ok {
query.Set("tag", tagged.Tag())
}
}
if options.Platform != nil {
if err := cli.NewVersionError(ctx, "1.46", "platform"); err != nil {
return nil, err
}
p := *options.Platform
pJson, err := json.Marshal(p)
if err != nil {
return nil, fmt.Errorf("invalid platform: %v", err)
}
query.Set("platform", string(pJson))
}
resp, err := cli.tryImagePush(ctx, name, query, options.RegistryAuth)
if errdefs.IsUnauthorized(err) && options.PrivilegeFunc != nil {
newAuthHeader, privilegeErr := options.PrivilegeFunc(ctx)
if privilegeErr != nil {
return nil, privilegeErr
}
resp, err = cli.tryImagePush(ctx, name, query, newAuthHeader)
}
if err != nil {
return nil, err
}
return resp.body, nil
}
func (cli *Client) tryImagePush(ctx context.Context, imageID string, query url.Values, registryAuth string) (serverResponse, error) {
return cli.post(ctx, "/images/"+imageID+"/push", query, nil, http.Header{
registry.AuthHeader: {registryAuth},
})
}
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