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moby--moby/api/client/push.go

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package client
import (
"errors"
"io"
"github.com/docker/docker/api/client/lib"
"github.com/docker/docker/api/types"
Cli "github.com/docker/docker/cli"
"github.com/docker/docker/pkg/jsonmessage"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/reference"
"github.com/docker/docker/registry"
)
// CmdPush pushes an image or repository to the registry.
//
// Usage: docker push NAME[:TAG]
func (cli *DockerCli) CmdPush(args ...string) error {
cmd := Cli.Subcmd("push", []string{"NAME[:TAG]"}, Cli.DockerCommands["push"].Description, true)
addTrustedFlags(cmd, false)
cmd.Require(flag.Exact, 1)
cmd.ParseFlags(args, true)
ref, err := reference.ParseNamed(cmd.Arg(0))
if err != nil {
return err
}
var tag string
switch x := ref.(type) {
case reference.Canonical:
return errors.New("cannot push a digest reference")
case reference.NamedTagged:
tag = x.Tag()
}
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ParseRepositoryInfo(ref)
if err != nil {
return err
}
// Resolve the Auth config relevant for this server
authConfig := registry.ResolveAuthConfig(cli.configFile.AuthConfigs, repoInfo.Index)
requestPrivilege := cli.registryAuthenticationPrivilegedFunc(repoInfo.Index, "push")
if isTrusted() {
return cli.trustedPush(repoInfo, tag, authConfig, requestPrivilege)
}
return cli.imagePushPrivileged(authConfig, ref.Name(), tag, cli.out, requestPrivilege)
}
func (cli *DockerCli) imagePushPrivileged(authConfig types.AuthConfig, imageID, tag string, outputStream io.Writer, requestPrivilege lib.RequestPrivilegeFunc) error {
encodedAuth, err := encodeAuthToBase64(authConfig)
if err != nil {
return err
}
options := types.ImagePushOptions{
ImageID: imageID,
Tag: tag,
RegistryAuth: encodedAuth,
}
responseBody, err := cli.client.ImagePush(options, requestPrivilege)
if err != nil {
return err
}
defer responseBody.Close()
return jsonmessage.DisplayJSONMessagesStream(responseBody, outputStream, cli.outFd, cli.isTerminalOut)
}