101 lines
3.5 KiB
Erlang
101 lines
3.5 KiB
Erlang
%%--------------------------------------------------------------------
|
|
%% Copyright (c) 2022-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
|
|
%%
|
|
%% Licensed under the Apache License, Version 2.0 (the "License");
|
|
%% you may not use this file except in compliance with the License.
|
|
%% You may obtain a copy of the License at
|
|
%%
|
|
%% http://www.apache.org/licenses/LICENSE-2.0
|
|
%%
|
|
%% Unless required by applicable law or agreed to in writing, software
|
|
%% distributed under the License is distributed on an "AS IS" BASIS,
|
|
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
%% See the License for the specific language governing permissions and
|
|
%% limitations under the License.
|
|
%%--------------------------------------------------------------------
|
|
|
|
-module(emqx_retainer_mnesia_cli).
|
|
|
|
-include_lib("emqx/include/logger.hrl").
|
|
|
|
-export([load/0, retainer/1, unload/0]).
|
|
|
|
-define(PRINT_MSG(Msg), io:format(Msg)).
|
|
|
|
-define(PRINT(Format, Args), io:format(Format, Args)).
|
|
|
|
%%------------------------------------------------------------------------------
|
|
%% API
|
|
%%------------------------------------------------------------------------------
|
|
|
|
load() ->
|
|
ok = emqx_ctl:register_command(retainer, {?MODULE, retainer}, []).
|
|
|
|
retainer(["info"]) ->
|
|
?PRINT("Number of retained messages: ~p~n", [emqx_retainer:retained_count()]);
|
|
retainer(["topics"]) ->
|
|
[?PRINT("~ts~n", [I]) || I <- emqx_retainer_mnesia:topics()],
|
|
ok;
|
|
retainer(["clean", Topic]) ->
|
|
emqx_retainer:delete(list_to_binary(Topic));
|
|
retainer(["clean"]) ->
|
|
emqx_retainer:clean();
|
|
retainer(["reindex", "status"]) ->
|
|
case emqx_retainer_mnesia:reindex_status() of
|
|
true ->
|
|
?PRINT_MSG("Reindexing is in progress~n");
|
|
false ->
|
|
?PRINT_MSG("Reindexing is not running~n")
|
|
end;
|
|
retainer(["reindex", "start"]) ->
|
|
retainer(["reindex", "start", "false"]);
|
|
retainer(["reindex", "start", ForceParam]) ->
|
|
case mria_rlog:role() of
|
|
core ->
|
|
Force =
|
|
case ForceParam of
|
|
"true" -> true;
|
|
_ -> false
|
|
end,
|
|
do_reindex(Force);
|
|
replicant ->
|
|
?PRINT_MSG("Can't run reindex on a replicant node")
|
|
end;
|
|
retainer(_) ->
|
|
emqx_ctl:usage(
|
|
[
|
|
{"retainer info", "Show the count of retained messages"},
|
|
{"retainer topics", "Show all topics of retained messages"},
|
|
{"retainer clean", "Clean all retained messages"},
|
|
{"retainer clean <Topic>", "Clean retained messages by the specified topic filter"},
|
|
{"retainer reindex status", "Show reindex status"},
|
|
{"retainer reindex start [force]",
|
|
"Generate new retainer topic indices from config settings.\n"
|
|
"Pass true as <Force> to ignore previously started reindexing"}
|
|
]
|
|
).
|
|
|
|
unload() ->
|
|
ok = emqx_ctl:unregister_command(retainer).
|
|
|
|
%%------------------------------------------------------------------------------
|
|
%% Private
|
|
%%------------------------------------------------------------------------------
|
|
|
|
do_reindex(Force) ->
|
|
?PRINT_MSG("Starting reindexing~n"),
|
|
emqx_retainer_mnesia:reindex(
|
|
Force,
|
|
fun(Done) ->
|
|
?SLOG(
|
|
info,
|
|
#{
|
|
msg => "retainer_message_record_reindexing_progress",
|
|
done => Done
|
|
}
|
|
),
|
|
?PRINT("Reindexed ~p messages~n", [Done])
|
|
end
|
|
),
|
|
?PRINT_MSG("Reindexing finished~n").
|