github.com/walkingsparrow/docker@v1.4.2-0.20151218153551-b708a2249bfa/api/client/push.go (about)

     1  package client
     2  
     3  import (
     4  	"errors"
     5  	"io"
     6  
     7  	"github.com/docker/docker/api/client/lib"
     8  	"github.com/docker/docker/api/types"
     9  	Cli "github.com/docker/docker/cli"
    10  	"github.com/docker/docker/pkg/jsonmessage"
    11  	flag "github.com/docker/docker/pkg/mflag"
    12  	"github.com/docker/docker/reference"
    13  	"github.com/docker/docker/registry"
    14  )
    15  
    16  // CmdPush pushes an image or repository to the registry.
    17  //
    18  // Usage: docker push NAME[:TAG]
    19  func (cli *DockerCli) CmdPush(args ...string) error {
    20  	cmd := Cli.Subcmd("push", []string{"NAME[:TAG]"}, Cli.DockerCommands["push"].Description, true)
    21  	addTrustedFlags(cmd, false)
    22  	cmd.Require(flag.Exact, 1)
    23  
    24  	cmd.ParseFlags(args, true)
    25  
    26  	ref, err := reference.ParseNamed(cmd.Arg(0))
    27  	if err != nil {
    28  		return err
    29  	}
    30  
    31  	var tag string
    32  	switch x := ref.(type) {
    33  	case reference.Canonical:
    34  		return errors.New("cannot push a digest reference")
    35  	case reference.NamedTagged:
    36  		tag = x.Tag()
    37  	}
    38  
    39  	// Resolve the Repository name from fqn to RepositoryInfo
    40  	repoInfo, err := registry.ParseRepositoryInfo(ref)
    41  	if err != nil {
    42  		return err
    43  	}
    44  	// Resolve the Auth config relevant for this server
    45  	authConfig := registry.ResolveAuthConfig(cli.configFile.AuthConfigs, repoInfo.Index)
    46  
    47  	requestPrivilege := cli.registryAuthenticationPrivilegedFunc(repoInfo.Index, "push")
    48  	if isTrusted() {
    49  		return cli.trustedPush(repoInfo, tag, authConfig, requestPrivilege)
    50  	}
    51  
    52  	return cli.imagePushPrivileged(authConfig, ref.Name(), tag, cli.out, requestPrivilege)
    53  }
    54  
    55  func (cli *DockerCli) imagePushPrivileged(authConfig types.AuthConfig, imageID, tag string, outputStream io.Writer, requestPrivilege lib.RequestPrivilegeFunc) error {
    56  	encodedAuth, err := encodeAuthToBase64(authConfig)
    57  	if err != nil {
    58  		return err
    59  	}
    60  	options := types.ImagePushOptions{
    61  		ImageID:      imageID,
    62  		Tag:          tag,
    63  		RegistryAuth: encodedAuth,
    64  	}
    65  
    66  	responseBody, err := cli.client.ImagePush(options, requestPrivilege)
    67  	if err != nil {
    68  		return err
    69  	}
    70  	defer responseBody.Close()
    71  
    72  	return jsonmessage.DisplayJSONMessagesStream(responseBody, outputStream, cli.outFd, cli.isTerminalOut)
    73  }