Merge pull request #7518 from zmstone/dashboard_password_reset_after_leaving_cluster

Dashboard password reset after leaving cluster

CHANGES-4.3.md

@@ -25,6 +25,7 @@ File format:
 * Prohibit empty topics in strict mode
 * Make sure ehttpc delete useless pool always succeed.
 * Update mongodb driver to fix potential process leak.
+* Dashboard admin password persists after leaving/joining the cluster
 
 ## v4.3.13
 

apps/emqx_rule_engine/src/emqx_rule_engine.appup.src

@@ -4,12 +4,12 @@
   [{"4.3.8",
     [{load_module,emqx_rule_sqltester,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_metrics,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine_api,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
+     {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
+     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]}]},
    {"4.3.7",
     [{load_module,emqx_rule_sqltester,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
@@ -101,12 +101,12 @@
   [{"4.3.8",
     [{load_module,emqx_rule_sqltester,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_metrics,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine_api,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
+     {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
+     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]}]},
    {"4.3.7",
     [{load_module,emqx_rule_sqltester,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},

lib-ce/emqx_dashboard/src/emqx_dashboard_admin.erl

@@ -146,9 +146,9 @@ update_pwd(Username, Fun) ->
     Trans = fun() ->
                     User =
                     case lookup_user(Username) of
-                    [Admin] -> Admin;
+                        [Admin] -> Admin;
-                    [] ->
+                        [] ->
-                           mnesia:abort(<<"Username Not Found">>)
+                            mnesia:abort(<<"Username Not Found">>)
                     end,
                     mnesia:write(Fun(User))
             end,
@@ -156,7 +156,16 @@ update_pwd(Username, Fun) ->
 
 
 -spec(lookup_user(binary()) -> [mqtt_admin()]).
-lookup_user(Username) when is_binary(Username) -> mnesia:dirty_read(mqtt_admin, Username).
+lookup_user(Username) when is_binary(Username) ->
+    IsDefaultUser = binenv(default_user_username) =:= Username,
+    case mnesia:dirty_read(mqtt_admin, Username) of
+        [] when IsDefaultUser ->
+            _ = ensure_default_user_in_db(Username),
+            %% try to read again
+            mnesia:dirty_read(mqtt_admin, Username);
+        Res ->
+            Res
+    end.
 
 -spec(all_users() -> [#mqtt_admin{}]).
 all_users() -> ets:tab2list(mqtt_admin).
@@ -172,8 +181,8 @@ check(_, undefined) ->
     {error, <<"Password undefined">>};
 check(Username, Password) ->
     case lookup_user(Username) of
-        [#mqtt_admin{password = <<Salt:4/binary, Hash/binary>>}] ->
+        [#mqtt_admin{password = PwdHash}] ->
-            case Hash =:= md5_hash(Salt, Password) of
+            case is_valid_pwd(PwdHash, Password) of
                 true  -> ok;
                 false -> {error, <<"Username/Password error">>}
             end;
@@ -181,13 +190,19 @@ check(Username, Password) ->
             {error, <<"Username/Password error">>}
     end.
 
+is_valid_pwd(<<Salt:4/binary, Hash/binary>>, Password) ->
+    Hash =:= md5_hash(Salt, Password).
+
 %%--------------------------------------------------------------------
 %% gen_server callbacks
 %%--------------------------------------------------------------------
 
 init([]) ->
     %% Add default admin user
-    _ = add_default_user(binenv(default_user_username), binenv(default_user_passwd)),
+    {ok, _} = mnesia:subscribe({table, mqtt_admin, simple}),
+    PasswordHash = ensure_default_user_in_db(binenv(default_user_username)),
+    ok = ensure_default_user_passwd_hashed_in_pt(PasswordHash),
+    ok = maybe_warn_default_pwd(),
     {ok, state}.
 
 handle_call(_Req, _From, State) ->
@@ -196,6 +211,17 @@ handle_call(_Req, _From, State) ->
 handle_cast(_Msg, State) ->
     {noreply, State}.
 
+handle_info({mnesia_table_event, {write, Admin, _}}, State) ->
+    %% the password is chagned from another node, sync it to persistent_term
+    #mqtt_admin{username = Username, password = HashedPassword} = Admin,
+    case binenv(default_user_username) of
+        Username ->
+            ok = ensure_default_user_passwd_hashed_in_pt(HashedPassword);
+        _ ->
+            ignore
+    end,
+    {noreply, State};
+
 handle_info(_Msg, State) ->
     {noreply, State}.
 
@@ -222,37 +248,59 @@ salt() ->
     <<Salt:32>>.
 
 binenv(Key) ->
-    iolist_to_binary(application:get_env(emqx_dashboard, Key, "")).
+    iolist_to_binary(application:get_env(emqx_dashboard, Key, <<>>)).
 
-add_default_user(Username, Password) when ?EMPTY_KEY(Username) orelse ?EMPTY_KEY(Password) ->
+ensure_default_user_in_db(Username) ->
-    ignore;
+    F =
+        fun() ->
+                case mnesia:wread({mqtt_admin, Username}) of
+                    [] ->
+                        PasswordHash = initial_default_user_passwd_hashed(),
+                        Admin = #mqtt_admin{username = Username,
+                                            password = PasswordHash,
+                                            tags = <<"administrator">>},
+                        ok = mnesia:write(Admin),
+                        PasswordHash;
+                    [#mqtt_admin{password = PasswordHash}] ->
+                        PasswordHash
+                end
+        end,
+    {atomic, PwdHash} = mnesia:transaction(F),
+    PwdHash.
 
-add_default_user(Username, Password) ->
+initial_default_user_passwd_hashed() ->
-    case lookup_user(Username) of
+    case get_default_user_passwd_hashed_from_pt() of
-        [] -> add_user(Username, Password, <<"administrator">>);
+        Empty when ?EMPTY_KEY(Empty) ->
-        _  ->
+            %% in case it's not set yet
-            case check(Username, Password) of
+            case binenv(default_user_passwd) of
-                ok ->
+                Empty when ?EMPTY_KEY(Empty) ->
-                    ?LOG(warning,
+                    error({missing_configuration, default_user_passwd});
-                        "[Dashboard] The initial default password for dashboard 'admin' user in emqx_dashboard.conf\n"
+                Pwd ->
-                        "For safety, it should be changed as soon as possible.\n"
+                    hash(Pwd)
-                        "Please use the './bin/emqx_ctl admins' CLI to change it.\n"
+            end;
-                        "Then remove `dashboard.default_user.login/password` from emqx_dashboard.conf"
+        PwdHash ->
-                    );
+            PwdHash
-                {error, _} ->
+    end.
-                    %% We can't force add default,
+
-                    %% otherwise passwords that have been updated via HTTP API will be reset after reboot.
+%% use this persistent_term for a copy of the value in mnesia database
-                    ?LOG(warning,
+%% so that after the node leaves a cluster, db gets purged,
-                        "[Dashboard] dashboard.default_user.password in the plugins/emqx_dashboard.conf\n"
+%% we can still find the changed password back from PT
-                        "does not match the password in the database(mnesia).\n"
+ensure_default_user_passwd_hashed_in_pt(Hashed) ->
-                        "1. If you have already changed the password via the HTTP API or `./bin/emqx_ctl admins`,"
+    ok = persistent_term:put({?MODULE, default_user_passwd_hashed}, Hashed).
-                        "this warning has no effect.\n"
+
-                        "You should remove the `dashboard.default_user.login/password` from emqx_dashboard.conf "
+get_default_user_passwd_hashed_from_pt() ->
-                        "to resolve this warning.\n"
+    persistent_term:get({?MODULE, default_user_passwd_hashed}, <<>>).
-                        "2. If you just want to update the password by manually changing the configuration file,\n"
+
-                        "you need to delete the old user and password using `emqx_ctl admins del ~s` first\n"
+maybe_warn_default_pwd() ->
-                        "the new password in emqx_dashboard.conf can take effect after reboot.",
+    case is_valid_pwd(initial_default_user_passwd_hashed(), <<"public">>) of
-                        [])
+        true ->
-            end
+            ?LOG(warning,
-    end,
+                 "[Dashboard] Using default password for dashboard 'admin' user. "
-    ok.
+                 "Please use './bin/emqx_ctl admins' command to change it. "
+                 "NOTE: the default password in config file is only "
+                 "used to initialise the database record, changing the config "
+                 "file after database is initialised has no effect."
+                );
+        false ->
+            ok
+    end.

lib-ce/emqx_dashboard/test/emqx_dashboard_SUITE.erl

@@ -29,6 +29,8 @@
 
 -include_lib("emqx/include/emqx.hrl").
 
+-include("emqx_dashboard.hrl").
+
 -define(CONTENT_TYPE, "application/x-www-form-urlencoded").
 
 -define(HOST, "http://127.0.0.1:18083/").
@@ -40,30 +42,44 @@
 -define(OVERVIEWS, ['alarms/activated', 'alarms/deactivated', banned, brokers, stats, metrics, listeners, clients, subscriptions, routes, plugins]).
 
 all() ->
-    [{group, overview},
+    [
+     {group, overview},
      {group, admins},
      {group, rest},
      {group, cli}
      ].
 
 groups() ->
-    [{overview, [sequence], [t_overview]},
+    [
-     {admins, [sequence], [t_admins_add_delete]},
+     {overview, [sequence], [t_overview]},
-     {rest, [sequence], [t_rest_api, t_auth_exhaustive_attack]},
+     {admins, [sequence], [t_admins_add_delete, t_admins_persist_default_password, t_default_password_persists_after_leaving_cluster]},
+     {rest, [sequence], [t_rest_api]},
      {cli, [sequence], [t_cli]}
     ].
 
 init_per_suite(Config) ->
-    emqx_ct_helpers:start_apps([emqx_modules, emqx_management, emqx_dashboard]),
+    ok = emqx_ct_helpers:start_apps([emqx_modules, emqx_management, emqx_dashboard]),
     Config.
 
 end_per_suite(_Config) ->
     emqx_ct_helpers:stop_apps([emqx_dashboard, emqx_management, emqx_modules]),
     ekka_mnesia:ensure_stopped().
 
+init_per_testcase(Case, Config) ->
+    ?MODULE:Case({init, Config}).
+
+end_per_testcase(Case, Config) ->
+    %% revert to default password
+    emqx_dashboard_admin:change_password(<<"admin">>, <<"public">>),
+    ?MODULE:Case({'end', Config}).
+
+t_overview({init, Config}) -> Config;
+t_overview({'end', _Config}) -> ok;
 t_overview(_) ->
     [?assert(request_dashboard(get, api_path(erlang:atom_to_list(Overview)), auth_header_()))|| Overview <- ?OVERVIEWS].
 
+t_admins_add_delete({init, Config}) -> Config;
+t_admins_add_delete({'end', _Config}) -> ok;
 t_admins_add_delete(_) ->
     ok = emqx_dashboard_admin:add_user(<<"username">>, <<"password">>, <<"tag">>),
     ok = emqx_dashboard_admin:add_user(<<"username1">>, <<"password1">>, <<"tag1">>),
@@ -84,9 +100,100 @@ t_admins_add_delete(_) ->
     ?assertNotEqual(true, request_dashboard(get, api_path("brokers"),
         auth_header_("username", "pwd"))).
 
+t_admins_persist_default_password({init, Config}) -> Config;
+t_admins_persist_default_password({'end', _Config}) -> ok;
+t_admins_persist_default_password(_) ->
+    emqx_dashboard_admin:change_password(<<"admin">>, <<"new_password">>),
+    ct:sleep(100),
+    [#mqtt_admin{password=Password, tags= <<"administrator">>}] = emqx_dashboard_admin:lookup_user(<<"admin">>),
+
+    %% To ensure that state persists even if the process dies
+    application:stop(emqx_dashboard),
+    application:start(emqx_dashboard),
+
+    ct:sleep(100),
+
+    %% It gets restarted by the app automatically
+    [#mqtt_admin{password=PasswordAfterRestart}] = emqx_dashboard_admin:lookup_user(<<"admin">>),
+    ?assertEqual(Password, PasswordAfterRestart).
+
+debug(Label, Slave) ->
+    ct:print(
+      "[~p]~nusers local ~p~nusers remote: ~p~nenv local: ~p~nenv remote: ~p",
+      [
+       Label,
+       ets:tab2list(mqtt_admin),
+       rpc:call(Slave, ets, tab2list, [mqtt_admin]),
+       application:get_all_env(emqx_dashboard),
+       rpc:call(Slave, application, get_all_env, [emqx_dashboard])
+      ]).
+
+
+t_default_password_persists_after_leaving_cluster({init, Config}) ->
+    Slave = start_slave('test1', [emqx_modules, emqx_management, emqx_dashboard]),
+    [{slave, Slave} | Config];
+t_default_password_persists_after_leaving_cluster({'end', Config}) ->
+    Slave = proplists:get_value(slave, Config),
+    {ok, _} = stop_slave(Slave, [emqx_dashboard, emqx_management, emqx_modules]),
+    ok;
+t_default_password_persists_after_leaving_cluster(Config) ->
+    Slave = proplists:get_value(slave, Config),
+    [#mqtt_admin{password=InitialPassword}] = emqx_dashboard_admin:lookup_user(<<"admin">>),
+
+    ct:print("Cluster status: ~p", [ekka_cluster:info()]),
+    ct:print("Table nodes: ~p", [mnesia:table_info(mqtt_admin, active_replicas)]),
+
+
+    %% To make sure that subscription is not lost during reconnection
+    rpc:call(Slave, ekka, leave, []),
+    ct:sleep(100), %% To ensure that leave gets processed
+    rpc:call(Slave, ekka, join, [node()]),
+    ct:sleep(100), %% To ensure that join gets processed
+
+    ct:print("Cluster status: ~p", [ekka_cluster:info()]),
+    ct:print("Table nodes: ~p", [mnesia:table_info(mqtt_admin, active_replicas)]),
+
+    ct:print("Apps: ~p", [
+                          rpc:call(Slave, application, which_applications, [])
+                         ]),
+
+    debug(0, Slave),
+
+    emqx_dashboard_admin:change_password(<<"admin">>, <<"new_password">>),
+    ct:sleep(100), %% To ensure that event gets processed
+
+    debug(1, Slave),
+
+    [#mqtt_admin{password=Password}] = rpc:call(Slave, emqx_dashboard_admin, lookup_user, [<<"admin">>]),
+    ?assertNotEqual(InitialPassword, Password),
+
+    rpc:call(Slave, ekka, leave, []),
+
+    debug(2, Slave),
+
+    rpc:call(Slave, application, stop, [emqx_dashboard]),
+
+    debug(3, Slave),
+
+    rpc:call(Slave, application, start, [emqx_dashboard]),
+
+    debug(4, Slave),
+
+    ?assertEqual(
+       ok,
+       rpc:call(Slave, emqx_dashboard_admin, check, [<<"admin">>, <<"new_password">>])),
+
+    ?assertMatch(
+       {error, _},
+       rpc:call(Slave, emqx_dashboard_admin, check, [<<"admin">>, <<"password">>])),
+    ok.
+
+t_rest_api({init, Config}) -> Config;
+t_rest_api({'end', _Config}) -> ok;
 t_rest_api(_Config) ->
     {ok, Res0} = http_get("users"),
     Users = get_http_data(Res0),
+    ct:pal("~p", [emqx_dashboard_admin:all_users()]),
     ?assert(lists:member(#{<<"username">> => <<"admin">>, <<"tags">> => <<"administrator">>},
         Users)),
 
@@ -103,11 +210,15 @@ t_rest_api(_Config) ->
              ]],
     ok.
 
+t_auth_exhaustive_attack({init, Config}) -> Config;
+t_auth_exhaustive_attack({'end', _Config}) -> ok;
 t_auth_exhaustive_attack(_Config) ->
     {ok, Res0} = http_post("auth", #{<<"username">> => <<"invalid_login">>, <<"password">> => <<"newpwd">>}),
     {ok, Res1} = http_post("auth", #{<<"username">> => <<"admin">>, <<"password">> => <<"invalid_password">>}),
     ?assertEqual(Res0, Res1).
 
+t_cli({init, Config}) -> Config;
+t_cli({'end', _Config}) -> ok;
 t_cli(_Config) ->
     [mnesia:dirty_delete({mqtt_admin, Admin}) ||  Admin <- mnesia:dirty_all_keys(mqtt_admin)],
     emqx_dashboard_cli:admins(["add", "username", "password"]),
@@ -170,3 +281,53 @@ api_path(Path) ->
 
 json(Data) ->
     {ok, Jsx} = emqx_json:safe_decode(Data, [return_maps]), Jsx.
+
+start_slave(Name, Apps) ->
+    {ok, Node} = ct_slave:start(list_to_atom(atom_to_list(Name) ++ "@" ++ host()),
+                                [{kill_if_fail, true},
+                                 {monitor_master, true},
+                                 {init_timeout, 10000},
+                                 {startup_timeout, 10000},
+                                 {erl_flags, ebin_path()}]),
+
+    pong = net_adm:ping(Node),
+    setup_node(Node, Apps),
+    Node.
+
+stop_slave(Node, Apps) ->
+    [ok = Res || Res <- rpc:call(Node, emqx_ct_helpers, stop_apps, [Apps])],
+    rpc:call(Node, ekka, leave, []),
+    ct_slave:stop(Node).
+
+host() ->
+    [_, Host] = string:tokens(atom_to_list(node()), "@"), Host.
+
+ebin_path() ->
+    string:join(["-pa" | lists:filter(fun is_lib/1, code:get_path())], " ").
+
+is_lib(Path) ->
+    string:prefix(Path, code:lib_dir()) =:= nomatch.
+
+setup_node(Node, Apps) ->
+    EnvHandler =
+        fun(emqx) ->
+                application:set_env(emqx, listeners, []),
+                application:set_env(gen_rpc, port_discovery, manual),
+                ok;
+           (emqx_management) ->
+                application:set_env(emqx_management, listeners, []),
+                ok;
+           (emqx_dashboard) ->
+                application:set_env(emqx_dashboard, listeners, []),
+                ok;
+           (_) ->
+                ok
+        end,
+
+    [ok = rpc:call(Node, application, load, [App]) || App <- [gen_rpc, emqx | Apps]],
+    ok = rpc:call(Node, emqx_ct_helpers, start_apps, [Apps, EnvHandler]),
+
+    rpc:call(Node, ekka, join, [node()]),
+    rpc:call(Node, application, stop, [emqx_dashboard]),
+    rpc:call(Node, application, start, [emqx_dashboard]),
+    ok.

src/emqx.appup.src

@@ -3,13 +3,12 @@
 {VSN,
   [{"4.3.14",
     [{load_module,emqx_frame,brutal_purge,soft_purge,[]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_hooks,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]}]},
    {"4.3.13",
-    [{load_module,emqx_plugins,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
@@ -21,12 +20,9 @@
      {load_module,emqx_ctl,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
-     {load_module,emqx_connection,brutal_purge,soft_purge,[]},
+     {load_module,emqx_connection,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.12",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -48,12 +44,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.11",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -77,12 +70,9 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.10",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -106,12 +96,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.9",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -139,12 +126,9 @@
      {load_module,emqx_os_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.8",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -172,12 +156,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.7",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -206,12 +187,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.6",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -240,12 +218,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.5",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -275,11 +250,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.4",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -310,11 +283,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.3",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -346,11 +317,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.2",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -382,11 +351,9 @@
      {load_module,emqx_os_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.1",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
@@ -421,11 +388,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.0",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
@@ -463,18 +428,16 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}],
   [{"4.3.14",
     [{load_module,emqx_frame,brutal_purge,soft_purge,[]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
+     {load_module,emqx_hooks,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]}]},
    {"4.3.13",
-    [{load_module,emqx_plugins,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+     {load_module,emqx,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
+     {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
@@ -486,12 +449,9 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_ctl,brutal_purge,soft_purge,[]},
      {load_module,emqx_cm,brutal_purge,soft_purge,[]},
-     {load_module,emqx_connection,brutal_purge,soft_purge,[]},
+     {load_module,emqx_connection,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.12",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_frame,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
@@ -512,12 +472,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.11",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -540,12 +497,9 @@
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_http_lib,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.10",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -568,12 +522,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_connection,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.9",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -600,12 +551,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.8",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_misc,brutal_purge,soft_purge,[]},
@@ -632,12 +580,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.7",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -665,12 +610,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.6",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -698,12 +640,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.5",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
-     {load_module,emqx_shared_sub,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -732,11 +671,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.4",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -766,11 +703,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.3",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -801,11 +736,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.2",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_plugins,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
@@ -836,11 +769,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.1",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
@@ -874,11 +805,9 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {"4.3.0",
-    [{load_module,emqx_flapping,brutal_purge,soft_purge,[]},
+    [{load_module,emqx_hooks,brutal_purge,soft_purge,[]},
-     {load_module,emqx_listeners,brutal_purge,soft_purge,[]},
      {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
      {load_module,emqx_banned,brutal_purge,soft_purge,[]},
      {load_module,emqx_sys,brutal_purge,soft_purge,[]},
@@ -914,6 +843,5 @@
      {load_module,emqx,brutal_purge,soft_purge,[]},
      {load_module,emqx_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_message,brutal_purge,soft_purge,[]},
-     {load_module,emqx_limiter,brutal_purge,soft_purge,[]},
+     {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
-     {load_module,emqx_hooks,brutal_purge,soft_purge,[]}]},
    {<<".*">>,[]}]}.

src/emqx.erl

@@ -234,7 +234,19 @@ shutdown(Reason) ->
                  ).
 
 reboot() ->
-    lists:foreach(fun application:start/1 , default_started_applications()).
+    case is_application_running(emqx_dashboard) of
+        true ->
+            application:stop(emqx_dashboard), %% dashboard must be started after mnesia
+            lists:foreach(fun application:start/1 , default_started_applications()),
+            application:start(emqx_dashboard);
+
+        false ->
+            lists:foreach(fun application:start/1 , default_started_applications())
+    end.
+
+is_application_running(App) ->
+    StartedApps = proplists:get_value(started, application:info()),
+    proplists:is_defined(App, StartedApps).
 
 -ifdef(EMQX_ENTERPRISE).
 default_started_applications() ->