Golang Environ.StateInfo方法代码示例

// NewSimpleAuthenticator gets the state and api info once from the environ.
func NewSimpleAuthenticator(environ environs.Environ) (AuthenticationProvider, error) {
	stateInfo, apiInfo, err := environ.StateInfo()
	if err != nil {
		return nil, err
	}
	return &simpleAuth{stateInfo, apiInfo}, nil
}

// NewConn returns a new Conn that uses the
// given environment. The environment must have already
// been bootstrapped.
func NewConn(environ environs.Environ) (*Conn, error) {
	info, _, err := environ.StateInfo()
	if err != nil {
		return nil, err
	}
	password := environ.Config().AdminSecret()
	if password == "" {
		return nil, fmt.Errorf("cannot connect without admin-secret")
	}
	err = environs.CheckEnvironment(environ)
	if err != nil {
		return nil, err
	}

	info.Password = password
	opts := state.DefaultDialOpts()
	st, err := state.Open(info, opts)
	if errors.IsUnauthorizedError(err) {
		log.Noticef("juju: authorization error while connecting to state server; retrying")
		// We can't connect with the administrator password,;
		// perhaps this was the first connection and the
		// password has not been changed yet.
		info.Password = utils.PasswordHash(password)

		// We try for a while because we might succeed in
		// connecting to mongo before the state has been
		// initialized and the initial password set.
		for a := redialStrategy.Start(); a.Next(); {
			st, err = state.Open(info, opts)
			if !errors.IsUnauthorizedError(err) {
				break
			}
		}
		if err != nil {
			return nil, err
		}
		if err := st.SetAdminMongoPassword(password); err != nil {
			return nil, err
		}
	} else if err != nil {
		return nil, err
	}
	conn := &Conn{
		Environ: environ,
		State:   st,
	}
	if err := conn.updateSecrets(); err != nil {
		conn.Close()
		return nil, fmt.Errorf("unable to push secrets: %v", err)
	}
	return conn, nil
}

// NewConn returns a new Conn that uses the
// given environment. The environment must have already
// been bootstrapped.
func NewConn(environ environs.Environ) (*Conn, error) {
	info, err := environ.StateInfo()
	if err != nil {
		return nil, err
	}
	password := environ.Config().AdminSecret()
	if password == "" {
		return nil, fmt.Errorf("cannot connect without admin-secret")
	}
	info.Password = password
	st, err := state.Open(info)
	if err == state.ErrUnauthorized {
		// We can't connect with the administrator password,;
		// perhaps this was the first connection and the
		// password has not been changed yet.
		info.Password = trivial.PasswordHash(password)

		// We try for a while because we might succeed in
		// connecting to mongo before the state has been
		// initialized and the initial password set.
		for a := redialStrategy.Start(); a.Next(); {
			st, err = state.Open(info)
			if err != state.ErrUnauthorized {
				break
			}
		}
		if err != nil {
			return nil, err
		}
		if err := st.SetAdminMongoPassword(password); err != nil {
			return nil, err
		}
	} else if err != nil {
		return nil, err
	}
	conn := &Conn{
		Environ: environ,
		State:   st,
	}
	if err := conn.updateSecrets(); err != nil {
		conn.Close()
		return nil, fmt.Errorf("unable to push secrets: %v", err)
	}
	return conn, nil
}

// NewAPIConn returns a new Conn that uses the
// given environment. The environment must have already
// been bootstrapped.
func NewAPIConn(environ environs.Environ, dialOpts api.DialOpts) (*APIConn, error) {
	_, info, err := environ.StateInfo()
	if err != nil {
		return nil, err
	}
	info.Tag = "user-admin"
	password := environ.Config().AdminSecret()
	if password == "" {
		return nil, fmt.Errorf("cannot connect without admin-secret")
	}
	info.Password = password

	st, err := api.Open(info, dialOpts)
	// TODO(rog): handle errUnauthorized when the API handles passwords.
	if err != nil {
		return nil, err
	}
	// TODO(rog): implement updateSecrets (see Conn.updateSecrets)
	return &APIConn{
		Environ: environ,
		State:   st,
	}, nil
}