// CmdLogin logs in or registers a user to a Docker registry service.
//
// If no server is specified, the user will be logged into or registered to the registry's index server.
//
// Usage: docker login SERVER
func (cli *DockerCli) CmdLogin(args ...string) error {
cmd := Cli.Subcmd("login", []string{"[SERVER]"}, Cli.DockerCommands["login"].Description+".\nIf no server is specified, the default is defined by the daemon.", true)
cmd.Require(flag.Max, 1)
flUser := cmd.String([]string{"u", "-username"}, "", "Username")
flPassword := cmd.String([]string{"p", "-password"}, "", "Password")
flEmail := cmd.String([]string{"e", "-email"}, "", "Email")
cmd.ParseFlags(args, true)
// On Windows, force the use of the regular OS stdin stream. Fixes #14336/#14210
if runtime.GOOS == "windows" {
cli.in = os.Stdin
}
// The daemon `/info` endpoint informs us of the default registry being
// used. This is essential in cross-platforms environment, where for
// example a Linux client might be interacting with a Windows daemon, hence
// the default registry URL might be Windows specific.
serverAddress := registry.IndexServer
if info, err := cli.client.Info(); err != nil {
fmt.Fprintf(cli.out, "Warning: failed to get default registry endpoint from daemon (%v). Using system default: %s\n", err, serverAddress)
} else {
serverAddress = info.IndexServerAddress
}
if len(cmd.Args()) > 0 {
serverAddress = cmd.Arg(0)
}
authConfig, err := cli.configureAuth(*flUser, *flPassword, *flEmail, serverAddress)
if err != nil {
return err
}
response, err := cli.client.RegistryLogin(authConfig)
if err != nil {
if client.IsErrUnauthorized(err) {
delete(cli.configFile.AuthConfigs, serverAddress)
if err2 := cli.configFile.Save(); err2 != nil {
fmt.Fprintf(cli.out, "WARNING: could not save config file: %v\n", err2)
}
}
return err
}
if err := cli.configFile.Save(); err != nil {
return fmt.Errorf("Error saving config file: %v", err)
}
fmt.Fprintf(cli.out, "WARNING: login credentials saved in %s\n", cli.configFile.Filename())
if response.Status != "" {
fmt.Fprintf(cli.out, "%s\n", response.Status)
}
return nil
}
// CmdLogin logs in a user to a Docker registry service.
//
// If no server is specified, the user will be logged into or registered to the registry's index server.
//
// Usage: docker login SERVER
func (cli *DockerCli) CmdLogin(args ...string) error {
cmd := Cli.Subcmd("login", []string{"[SERVER]"}, Cli.DockerCommands["login"].Description+".\nIf no server is specified, the default is defined by the daemon.", true)
cmd.Require(flag.Max, 1)
flUser := cmd.String([]string{"u", "-username"}, "", "Username")
flPassword := cmd.String([]string{"p", "-password"}, "", "Password")
// Deprecated in 1.11: Should be removed in docker 1.13
cmd.String([]string{"#e", "#-email"}, "", "Email")
cmd.ParseFlags(args, true)
// On Windows, force the use of the regular OS stdin stream. Fixes #14336/#14210
if runtime.GOOS == "windows" {
cli.in = os.Stdin
}
var serverAddress string
var isDefaultRegistry bool
if len(cmd.Args()) > 0 {
serverAddress = cmd.Arg(0)
} else {
serverAddress = cli.electAuthServer()
isDefaultRegistry = true
}
authConfig, err := cli.configureAuth(*flUser, *flPassword, serverAddress, isDefaultRegistry)
if err != nil {
return err
}
response, err := cli.client.RegistryLogin(authConfig)
if err != nil {
if client.IsErrUnauthorized(err) {
if err2 := eraseCredentials(cli.configFile, authConfig.ServerAddress); err2 != nil {
fmt.Fprintf(cli.out, "WARNING: could not save credentials: %v\n", err2)
}
}
return err
}
if err := storeCredentials(cli.configFile, authConfig); err != nil {
return fmt.Errorf("Error saving credentials: %v", err)
}
if response.Status != "" {
fmt.Fprintf(cli.out, "%s\n", response.Status)
}
return nil
}
// CmdLogin logs in or registers a user to a Docker registry service.
//
// If no server is specified, the user will be logged into or registered to the registry's index server.
//
// Usage: docker login SERVER
func (cli *DockerCli) CmdLogin(args ...string) error {
cmd := Cli.Subcmd("login", []string{"[SERVER]"}, Cli.DockerCommands["login"].Description+".\nIf no server is specified \""+registry.IndexServer+"\" is the default.", true)
cmd.Require(flag.Max, 1)
flUser := cmd.String([]string{"u", "-username"}, "", "Username")
flPassword := cmd.String([]string{"p", "-password"}, "", "Password")
flEmail := cmd.String([]string{"e", "-email"}, "", "Email")
cmd.ParseFlags(args, true)
// On Windows, force the use of the regular OS stdin stream. Fixes #14336/#14210
if runtime.GOOS == "windows" {
cli.in = os.Stdin
}
serverAddress := registry.IndexServer
if len(cmd.Args()) > 0 {
serverAddress = cmd.Arg(0)
}
authConfig, err := cli.configureAuth(*flUser, *flPassword, *flEmail, serverAddress)
if err != nil {
return err
}
response, err := cli.client.RegistryLogin(authConfig)
if err != nil {
if client.IsErrUnauthorized(err) {
delete(cli.configFile.AuthConfigs, serverAddress)
if err2 := cli.configFile.Save(); err2 != nil {
fmt.Fprintf(cli.out, "WARNING: could not save config file: %v\n", err2)
}
}
return err
}
if err := cli.configFile.Save(); err != nil {
return fmt.Errorf("Error saving config file: %v", err)
}
fmt.Fprintf(cli.out, "WARNING: login credentials saved in %s\n", cli.configFile.Filename())
if response.Status != "" {
fmt.Fprintf(cli.out, "%s\n", response.Status)
}
return nil
}
// CmdLogin logs in or registers a user to a Docker registry service.
//
// If no server is specified, the user will be logged into or registered to the registry's index server.
//
// Usage: docker login SERVER
func (cli *DockerCli) CmdLogin(args ...string) error {
cmd := Cli.Subcmd("login", []string{"[SERVER]"}, Cli.DockerCommands["login"].Description+".\nIf no server is specified \""+registry.IndexServer+"\" is the default.", true)
cmd.Require(flag.Max, 1)
var username, password, email string
cmd.StringVar(&username, []string{"u", "-username"}, "", "Username")
cmd.StringVar(&password, []string{"p", "-password"}, "", "Password")
cmd.StringVar(&email, []string{"e", "-email"}, "", "Email")
cmd.ParseFlags(args, true)
// On Windows, force the use of the regular OS stdin stream. Fixes #14336/#14210
if runtime.GOOS == "windows" {
cli.in = os.Stdin
}
serverAddress := registry.IndexServer
if len(cmd.Args()) > 0 {
serverAddress = cmd.Arg(0)
}
promptDefault := func(prompt string, configDefault string) {
if configDefault == "" {
fmt.Fprintf(cli.out, "%s: ", prompt)
} else {
fmt.Fprintf(cli.out, "%s (%s): ", prompt, configDefault)
}
}
readInput := func(in io.Reader, out io.Writer) string {
reader := bufio.NewReader(in)
line, _, err := reader.ReadLine()
if err != nil {
fmt.Fprintln(out, err.Error())
os.Exit(1)
}
return string(line)
}
authconfig, ok := cli.configFile.AuthConfigs[serverAddress]
if !ok {
authconfig = types.AuthConfig{}
}
if username == "" {
promptDefault("Username", authconfig.Username)
username = readInput(cli.in, cli.out)
username = strings.TrimSpace(username)
if username == "" {
username = authconfig.Username
}
}
// Assume that a different username means they may not want to use
// the password or email from the config file, so prompt them
if username != authconfig.Username {
if password == "" {
oldState, err := term.SaveState(cli.inFd)
if err != nil {
return err
}
fmt.Fprintf(cli.out, "Password: "******"\n")
term.RestoreTerminal(cli.inFd, oldState)
if password == "" {
return fmt.Errorf("Error : Password Required")
}
}
if email == "" {
promptDefault("Email", authconfig.Email)
email = readInput(cli.in, cli.out)
if email == "" {
email = authconfig.Email
}
}
} else {
// However, if they don't override the username use the
// password or email from the cmd line if specified. IOW, allow
// then to change/override them. And if not specified, just
// use what's in the config file
if password == "" {
password = authconfig.Password
}
if email == "" {
email = authconfig.Email
}
}
authconfig.Username = username
authconfig.Password = password
authconfig.Email = email
authconfig.ServerAddress = serverAddress
cli.configFile.AuthConfigs[serverAddress] = authconfig
auth := cli.configFile.AuthConfigs[serverAddress]
response, err := cli.client.RegistryLogin(auth)
if err != nil {
if client.IsErrUnauthorized(err) {
delete(cli.configFile.AuthConfigs, serverAddress)
if err2 := cli.configFile.Save(); err2 != nil {
fmt.Fprintf(cli.out, "WARNING: could not save config file: %v\n", err2)
}
}
return err
}
if err := cli.configFile.Save(); err != nil {
return fmt.Errorf("Error saving config file: %v", err)
}
fmt.Fprintf(cli.out, "WARNING: login credentials saved in %s\n", cli.configFile.Filename())
if response.Status != "" {
fmt.Fprintf(cli.out, "%s\n", response.Status)
}
return nil
}