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7d62e40f7e
Since Go 1.7, context is a standard package. Since Go 1.9, everything that is provided by "x/net/context" is a couple of type aliases to types in "context". Many vendored packages still use x/net/context, so vendor entry remains for now. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package client // import "github.com/docker/docker/client"
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import (
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"context"
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"errors"
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"io"
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"net/http"
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"net/url"
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"github.com/docker/distribution/reference"
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"github.com/docker/docker/api/types"
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)
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// ImagePush requests the docker host to push an image to a remote registry.
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// It executes the privileged function if the operation is unauthorized
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// and it tries one more time.
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// It's up to the caller to handle the io.ReadCloser and close it properly.
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func (cli *Client) ImagePush(ctx context.Context, image string, options types.ImagePushOptions) (io.ReadCloser, error) {
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ref, err := reference.ParseNormalizedNamed(image)
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if err != nil {
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return nil, err
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}
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if _, isCanonical := ref.(reference.Canonical); isCanonical {
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return nil, errors.New("cannot push a digest reference")
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}
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tag := ""
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name := reference.FamiliarName(ref)
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if nameTaggedRef, isNamedTagged := ref.(reference.NamedTagged); isNamedTagged {
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tag = nameTaggedRef.Tag()
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}
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query := url.Values{}
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query.Set("tag", tag)
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resp, err := cli.tryImagePush(ctx, name, query, options.RegistryAuth)
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if resp.statusCode == http.StatusUnauthorized && options.PrivilegeFunc != nil {
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newAuthHeader, privilegeErr := options.PrivilegeFunc()
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if privilegeErr != nil {
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return nil, privilegeErr
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}
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resp, err = cli.tryImagePush(ctx, name, query, newAuthHeader)
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}
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if err != nil {
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return nil, err
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}
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return resp.body, nil
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}
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func (cli *Client) tryImagePush(ctx context.Context, imageID string, query url.Values, registryAuth string) (serverResponse, error) {
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headers := map[string][]string{"X-Registry-Auth": {registryAuth}}
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return cli.post(ctx, "/images/"+imageID+"/push", query, nil, headers)
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}
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