示例#1
0
文件: cli.go 项目: devick/flynn
func (cli *DockerCli) LoadConfigFile() (err error) {
	cli.configFile, err = registry.LoadConfig(homedir.Get())
	if err != nil {
		fmt.Fprintf(cli.err, "WARNING: %s\n", err)
	}
	return err
}
示例#2
0
文件: flag.go 项目: devick/flynn
// PrintDefaults prints, to standard error unless configured
// otherwise, the default values of all defined flags in the set.
func (f *FlagSet) PrintDefaults() {
	writer := tabwriter.NewWriter(f.Out(), 20, 1, 3, ' ', 0)
	home := homedir.Get()

	// Don't substitute when HOME is /
	if runtime.GOOS != "windows" && home == "/" {
		home = ""
	}
	f.VisitAll(func(flag *Flag) {
		format := "  -%s=%s"
		names := []string{}
		for _, name := range flag.Names {
			if name[0] != '#' {
				names = append(names, name)
			}
		}
		if len(names) > 0 {
			val := flag.DefValue

			if home != "" && strings.HasPrefix(val, home) {
				val = homedir.GetShortcutString() + val[len(home):]
			}

			fmt.Fprintf(writer, format, strings.Join(names, ", -"), val)
			for i, line := range strings.Split(flag.Usage, "\n") {
				if i != 0 {
					line = "  " + line
				}
				fmt.Fprintln(writer, "\t", line)
			}
		}
	})
	writer.Flush()
}
示例#3
0
// Load reads the configuration files in the given directory, and sets up
// the auth config information and return values.
// FIXME: use the internal golang config parser
func Load(configDir string) (*ConfigFile, error) {
	if configDir == "" {
		configDir = ConfigDir()
	}

	configFile := ConfigFile{
		AuthConfigs: make(map[string]AuthConfig),
		filename:    filepath.Join(configDir, ConfigFileName),
	}

	// Try happy path first - latest config file
	if _, err := os.Stat(configFile.filename); err == nil {
		file, err := os.Open(configFile.filename)
		if err != nil {
			return &configFile, err
		}
		defer file.Close()
		err = configFile.LoadFromReader(file)
		return &configFile, err
	} else if !os.IsNotExist(err) {
		// if file is there but we can't stat it for any reason other
		// than it doesn't exist then stop
		return &configFile, err
	}

	// Can't find latest config file so check for the old one
	confFile := filepath.Join(homedir.Get(), oldConfigfile)
	if _, err := os.Stat(confFile); err != nil {
		return &configFile, nil //missing file is not an error
	}
	file, err := os.Open(confFile)
	if err != nil {
		return &configFile, err
	}
	defer file.Close()
	err = configFile.LegacyLoadFromReader(file)
	return &configFile, err
}
示例#4
0
文件: login.go 项目: devick/flynn
// 'docker login': login / register a user to registry service.
func (cli *DockerCli) CmdLogin(args ...string) error {
	cmd := cli.Subcmd("login", "[SERVER]", "Register or log in to a Docker registry server, if no server is\nspecified \""+registry.IndexServerAddress()+"\" 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")

	utils.ParseFlags(cmd, args, true)

	serverAddress := registry.IndexServerAddress()
	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)
	}

	cli.LoadConfigFile()
	authconfig, ok := cli.configFile.Configs[serverAddress]
	if !ok {
		authconfig = registry.AuthConfig{}
	}

	if username == "" {
		promptDefault("Username", authconfig.Username)
		username = readInput(cli.in, cli.out)
		username = strings.Trim(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.Configs[serverAddress] = authconfig

	stream, statusCode, err := cli.call("POST", "/auth", cli.configFile.Configs[serverAddress], false)
	if statusCode == 401 {
		delete(cli.configFile.Configs, serverAddress)
		registry.SaveConfig(cli.configFile)
		return err
	}
	if err != nil {
		return err
	}

	var response types.AuthResponse
	if err := json.NewDecoder(stream).Decode(&response); err != nil {
		cli.configFile, _ = registry.LoadConfig(homedir.Get())
		return err
	}

	registry.SaveConfig(cli.configFile)
	fmt.Fprintf(cli.out, "WARNING: login credentials saved in %s.\n", path.Join(homedir.Get(), registry.CONFIGFILE))

	if response.Status != "" {
		fmt.Fprintf(cli.out, "%s\n", response.Status)
	}
	return nil
}
示例#5
0
func init() {
	if configDir == "" {
		configDir = filepath.Join(homedir.Get(), ".docker")
	}
}