package registry import ( "fmt" "golang.org/x/net/context" "github.com/docker/docker/cli" "github.com/docker/docker/cli/command" "github.com/spf13/cobra" ) type loginOptions struct { serverAddress string user string password string email string } // NewLoginCommand creates a new `docker login` command func NewLoginCommand(dockerCli *command.DockerCli) *cobra.Command { var opts loginOptions cmd := &cobra.Command{ Use: "login [OPTIONS] [SERVER]", Short: "Log in to a Docker registry.", Long: "Log in to a Docker registry.\nIf no server is specified, the default is defined by the daemon.", Args: cli.RequiresMaxArgs(1), RunE: func(cmd *cobra.Command, args []string) error { if len(args) > 0 { opts.serverAddress = args[0] } return runLogin(dockerCli, opts) }, } flags := cmd.Flags() flags.StringVarP(&opts.user, "username", "u", "", "Username") flags.StringVarP(&opts.password, "password", "p", "", "Password") // Deprecated in 1.11: Should be removed in docker 1.13 flags.StringVarP(&opts.email, "email", "e", "", "Email") flags.MarkDeprecated("email", "will be removed in 1.13.") return cmd } func runLogin(dockerCli *command.DockerCli, opts loginOptions) error { ctx := context.Background() clnt := dockerCli.Client() var ( serverAddress string authServer = command.ElectAuthServer(ctx, dockerCli) ) if opts.serverAddress != "" { serverAddress = opts.serverAddress } else { serverAddress = authServer } isDefaultRegistry := serverAddress == authServer authConfig, err := command.ConfigureAuth(dockerCli, opts.user, opts.password, serverAddress, isDefaultRegistry) if err != nil { return err } response, err := clnt.RegistryLogin(ctx, authConfig) if err != nil { return err } if response.IdentityToken != "" { authConfig.Password = "" authConfig.IdentityToken = response.IdentityToken } if err := dockerCli.CredentialsStore().Store(authConfig); err != nil { return fmt.Errorf("Error saving credentials: %v", err) } if response.Status != "" { fmt.Fprintln(dockerCli.Out(), response.Status) } return nil }