return ies.addUser(ctx, user, userType, u, m)
}

func (ies *IAMEtcdStore) addUser(ctx context.Context, user string, userType IAMUserType, u UserIdentity, m map[string]UserIdentity) error {
	if u.Credentials.IsExpired() {
		// Delete expired identity.
		deleteKeyEtcd(ctx, ies.client, getUserIdentityPath(user, userType))
		deleteKeyEtcd(ctx, ies.client, getMappedPolicyPath(user, userType, false))
		return nil
	}

func (client *peerRESTClient) LoadPolicyMapping(userOrGroup string, userType IAMUserType, isGroup bool) error {
	_, err := loadPolicyMappingRPC.Call(context.Background(), client.gridConn(), grid.NewMSSWith(map[string]string{
		peerRESTUserOrGroup: userOrGroup,
		peerRESTUserType:    strconv.Itoa(int(userType)),
		peerRESTIsGroup:     strconv.FormatBool(isGroup),
	}))
	return err
}

func (sys *NotificationSys) LoadPolicyMapping(userOrGroup string, userType IAMUserType, isGroup bool) []NotificationPeerErr {
	ng := WithNPeers(len(sys.peerClients)).WithRetries(1)
	for idx, client := range sys.peerClients {
		client := client
		ng.Go(GlobalContext, func() error {
			if client == nil {
				return errPeerNotReachable
			}
			return client.LoadPolicyMapping(userOrGroup, userType, isGroup)
		}, idx, *client.host)
	}

	err := iamOS.deleteIAMConfig(ctx, getMappedPolicyPath(name, userType, isGroup))
	if err == errConfigNotFound {
		err = errNoSuchPolicy
	}
	return err
}

func (iamOS *IAMObjectStore) deleteUserIdentity(ctx context.Context, name string, userType IAMUserType) error {
	err := iamOS.deleteIAMConfig(ctx, getUserIdentityPath(name, userType))