emqx/apps/emqx_management/src/emqx_mgmt_cli.erl

832 lines
31 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2020-2021 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_mgmt_cli).
-include_lib("emqx/include/emqx.hrl").
-include_lib("emqx/include/emqx_mqtt.hrl").
-include("emqx_mgmt.hrl").
-elvis([{elvis_style, invalid_dynamic_call, disable}]).
-define(PRINT_CMD(Cmd, Desc), io:format("~-48s# ~s~n", [Cmd, Desc])).
-export([load/0]).
-export([ status/1
, broker/1
, cluster/1
, clients/1
, routes/1
, subscriptions/1
, plugins/1
, listeners/1
, vm/1
, mnesia/1
, trace/1
, traces/1
, log/1
, mgmt/1
, data/1
, acl/1
]).
-define(PROC_INFOKEYS, [status,
memory,
message_queue_len,
total_heap_size,
heap_size,
stack_size,
reductions]).
-define(MAX_LIMIT, 10000).
-define(APP, emqx).
-spec(load() -> ok).
load() ->
Cmds = [Fun || {Fun, _} <- ?MODULE:module_info(exports), is_cmd(Fun)],
lists:foreach(fun(Cmd) -> emqx_ctl:register_command(Cmd, {?MODULE, Cmd}, []) end, Cmds).
is_cmd(Fun) ->
not lists:member(Fun, [init, load, module_info]).
mgmt(["insert", AppId, Name]) ->
case emqx_mgmt_auth:add_app(list_to_binary(AppId), list_to_binary(Name)) of
{ok, Secret} ->
emqx_ctl:print("AppSecret: ~s~n", [Secret]);
{error, already_existed} ->
emqx_ctl:print("Error: already existed~n");
{error, Reason} ->
emqx_ctl:print("Error: ~p~n", [Reason])
end;
mgmt(["lookup", AppId]) ->
case emqx_mgmt_auth:lookup_app(list_to_binary(AppId)) of
undefined -> emqx_ctl:print("Not Found.~n");
App -> print_app_info(App)
end;
mgmt(["update", AppId, Status]) ->
case emqx_mgmt_auth:update_app(list_to_binary(AppId), list_to_atom(Status)) of
ok ->
emqx_ctl:print("update successfully.~n");
{error, Reason} ->
emqx_ctl:print("Error: ~p~n", [Reason])
end;
mgmt(["delete", AppId]) ->
case emqx_mgmt_auth:del_app(list_to_binary(AppId)) of
ok -> emqx_ctl:print("ok~n");
{error, not_found} ->
emqx_ctl:print("Error: app not found~n");
{error, Reason} ->
emqx_ctl:print("Error: ~p~n", [Reason])
end;
mgmt(["list"]) ->
lists:foreach(fun print_app_info/1, emqx_mgmt_auth:list_apps());
mgmt(_) ->
emqx_ctl:usage([{"mgmt list", "List Applications"},
{"mgmt insert <AppId> <Name>", "Add Application of REST API"},
{"mgmt update <AppId> <status>", "Update Application of REST API"},
{"mgmt lookup <AppId>", "Get Application of REST API"},
{"mgmt delete <AppId>", "Delete Application of REST API"}]).
%%--------------------------------------------------------------------
%% @doc Node status
status([]) ->
{InternalStatus, _ProvidedStatus} = init:get_status(),
emqx_ctl:print("Node ~p ~s is ~p~n", [node(), emqx_app:get_release(), InternalStatus]);
status(_) ->
emqx_ctl:usage("status", "Show broker status").
%%--------------------------------------------------------------------
%% @doc Query broker
broker([]) ->
Funs = [sysdescr, version, uptime, datetime],
[emqx_ctl:print("~-10s: ~s~n", [Fun, emqx_sys:Fun()]) || Fun <- Funs];
broker(["stats"]) ->
[emqx_ctl:print("~-30s: ~w~n", [Stat, Val]) ||
{Stat, Val} <- lists:sort(emqx_stats:getstats())];
broker(["metrics"]) ->
[emqx_ctl:print("~-30s: ~w~n", [Metric, Val]) ||
{Metric, Val} <- lists:sort(emqx_metrics:all())];
broker(_) ->
emqx_ctl:usage([{"broker", "Show broker version, uptime and description"},
{"broker stats", "Show broker statistics of clients, topics, subscribers"},
{"broker metrics", "Show broker metrics"}]).
%%-----------------------------------------------------------------------------
%% @doc Cluster with other nodes
cluster(["join", SNode]) ->
case ekka:join(ekka_node:parse_name(SNode)) of
ok ->
emqx_ctl:print("Join the cluster successfully.~n"),
cluster(["status"]);
ignore ->
emqx_ctl:print("Ignore.~n");
{error, Error} ->
emqx_ctl:print("Failed to join the cluster: ~0p~n", [Error])
end;
cluster(["leave"]) ->
case ekka:leave() of
ok ->
emqx_ctl:print("Leave the cluster successfully.~n"),
cluster(["status"]);
{error, Error} ->
emqx_ctl:print("Failed to leave the cluster: ~0p~n", [Error])
end;
cluster(["force-leave", SNode]) ->
case ekka:force_leave(ekka_node:parse_name(SNode)) of
ok ->
emqx_ctl:print("Remove the node from cluster successfully.~n"),
cluster(["status"]);
ignore ->
emqx_ctl:print("Ignore.~n");
{error, Error} ->
emqx_ctl:print("Failed to remove the node from cluster: ~0p~n", [Error])
end;
cluster(["status"]) ->
emqx_ctl:print("Cluster status: ~p~n", [ekka_cluster:info()]);
cluster(_) ->
emqx_ctl:usage([{"cluster join <Node>", "Join the cluster"},
{"cluster leave", "Leave the cluster"},
{"cluster force-leave <Node>","Force the node leave from cluster"},
{"cluster status", "Cluster status"}]).
%%--------------------------------------------------------------------
%% @doc Query clients
clients(["list"]) ->
dump(emqx_channel, client);
clients(["show", ClientId]) ->
if_client(ClientId, fun print/1);
clients(["kick", ClientId]) ->
ok = emqx_cm:kick_session(bin(ClientId)),
emqx_ctl:print("ok~n");
clients(_) ->
emqx_ctl:usage([{"clients list", "List all clients"},
{"clients show <ClientId>", "Show a client"},
{"clients kick <ClientId>", "Kick out a client"}]).
if_client(ClientId, Fun) ->
case ets:lookup(emqx_channel, (bin(ClientId))) of
[] -> emqx_ctl:print("Not Found.~n");
[Channel] -> Fun({client, Channel})
end.
%%--------------------------------------------------------------------
%% @doc Routes Command
routes(["list"]) ->
dump(emqx_route);
routes(["show", Topic]) ->
Routes = ets:lookup(emqx_route, bin(Topic)),
[print({emqx_route, Route}) || Route <- Routes];
routes(_) ->
emqx_ctl:usage([{"routes list", "List all routes"},
{"routes show <Topic>", "Show a route"}]).
subscriptions(["list"]) ->
lists:foreach(fun(Suboption) ->
print({emqx_suboption, Suboption})
end, ets:tab2list(emqx_suboption));
subscriptions(["show", ClientId]) ->
case ets:lookup(emqx_subid, bin(ClientId)) of
[] ->
emqx_ctl:print("Not Found.~n");
[{_, Pid}] ->
case ets:match_object(emqx_suboption, {{Pid, '_'}, '_'}) of
[] -> emqx_ctl:print("Not Found.~n");
Suboption ->
[print({emqx_suboption, Sub}) || Sub <- Suboption]
end
end;
subscriptions(["add", ClientId, Topic, QoS]) ->
if_valid_qos(QoS, fun(IntQos) ->
case ets:lookup(emqx_channel, bin(ClientId)) of
[] -> emqx_ctl:print("Error: Channel not found!");
[{_, Pid}] ->
{Topic1, Options} = emqx_topic:parse(bin(Topic)),
Pid ! {subscribe, [{Topic1, Options#{qos => IntQos}}]},
emqx_ctl:print("ok~n")
end
end);
subscriptions(["del", ClientId, Topic]) ->
case ets:lookup(emqx_channel, bin(ClientId)) of
[] -> emqx_ctl:print("Error: Channel not found!");
[{_, Pid}] ->
Pid ! {unsubscribe, [emqx_topic:parse(bin(Topic))]},
emqx_ctl:print("ok~n")
end;
subscriptions(_) ->
emqx_ctl:usage([{"subscriptions list", "List all subscriptions"},
{"subscriptions show <ClientId>", "Show subscriptions of a client"},
{"subscriptions add <ClientId> <Topic> <QoS>",
"Add a static subscription manually"},
{"subscriptions del <ClientId> <Topic>",
"Delete a static subscription manually"}]).
if_valid_qos(QoS, Fun) ->
try list_to_integer(QoS) of
Int when ?IS_QOS(Int) -> Fun(Int);
_ -> emqx_ctl:print("QoS should be 0, 1, 2~n")
catch _:_ ->
emqx_ctl:print("QoS should be 0, 1, 2~n")
end.
plugins(["list"]) ->
lists:foreach(fun print/1, emqx_plugins:list());
plugins(["load", Name]) ->
case emqx_plugins:load(list_to_atom(Name)) of
ok ->
emqx_ctl:print("Plugin ~s loaded successfully.~n", [Name]);
{error, Reason} ->
emqx_ctl:print("Load plugin ~s error: ~p.~n", [Name, Reason])
end;
plugins(["unload", "emqx_management"])->
emqx_ctl:print("Plugin emqx_management can not be unloaded.~n");
plugins(["unload", Name]) ->
case emqx_plugins:unload(list_to_atom(Name)) of
ok ->
emqx_ctl:print("Plugin ~s unloaded successfully.~n", [Name]);
{error, Reason} ->
emqx_ctl:print("Unload plugin ~s error: ~p.~n", [Name, Reason])
end;
plugins(["reload", Name]) ->
try list_to_existing_atom(Name) of
PluginName ->
case emqx_mgmt:reload_plugin(node(), PluginName) of
ok ->
emqx_ctl:print("Plugin ~s reloaded successfully.~n", [Name]);
{error, Reason} ->
emqx_ctl:print("Reload plugin ~s error: ~p.~n", [Name, Reason])
end
catch
error:badarg ->
emqx_ctl:print("Reload plugin ~s error: The plugin doesn't exist.~n", [Name])
end;
plugins(_) ->
emqx_ctl:usage([{"plugins list", "Show loaded plugins"},
{"plugins load <Plugin>", "Load plugin"},
{"plugins unload <Plugin>", "Unload plugin"},
{"plugins reload <Plugin>", "Reload plugin"}
]).
%%--------------------------------------------------------------------
%% @doc vm command
vm([]) ->
vm(["all"]);
vm(["all"]) ->
[vm([Name]) || Name <- ["load", "memory", "process", "io", "ports"]];
vm(["load"]) ->
[emqx_ctl:print("cpu/~-20s: ~s~n", [L, V]) || {L, V} <- emqx_vm:loads()];
vm(["memory"]) ->
[emqx_ctl:print("memory/~-17s: ~w~n", [Cat, Val]) || {Cat, Val} <- erlang:memory()];
vm(["process"]) ->
[emqx_ctl:print("process/~-16s: ~w~n",
[Name, erlang:system_info(Key)]) ||
{Name, Key} <- [{limit, process_limit}, {count, process_count}]];
vm(["io"]) ->
IoInfo = lists:usort(lists:flatten(erlang:system_info(check_io))),
[emqx_ctl:print("io/~-21s: ~w~n",
[Key, proplists:get_value(Key, IoInfo)]) ||
Key <- [max_fds, active_fds]];
vm(["ports"]) ->
[emqx_ctl:print("ports/~-16s: ~w~n",
[Name, erlang:system_info(Key)]) ||
{Name, Key} <- [{count, port_count}, {limit, port_limit}]];
vm(_) ->
emqx_ctl:usage([{"vm all", "Show info of Erlang VM"},
{"vm load", "Show load of Erlang VM"},
{"vm memory", "Show memory of Erlang VM"},
{"vm process", "Show process of Erlang VM"},
{"vm io", "Show IO of Erlang VM"},
{"vm ports", "Show Ports of Erlang VM"}]).
%%--------------------------------------------------------------------
%% @doc mnesia Command
mnesia([]) ->
mnesia:system_info();
mnesia(_) ->
emqx_ctl:usage([{"mnesia", "Mnesia system info"}]).
%%--------------------------------------------------------------------
%% @doc Logger Command
log(["set-level", Level]) ->
case emqx_logger:set_log_level(list_to_atom(Level)) of
ok -> emqx_ctl:print("~s~n", [Level]);
Error -> emqx_ctl:print("[error] set overall log level failed: ~p~n", [Error])
end;
log(["primary-level"]) ->
Level = emqx_logger:get_primary_log_level(),
emqx_ctl:print("~s~n", [Level]);
log(["primary-level", Level]) ->
_ = emqx_logger:set_primary_log_level(list_to_atom(Level)),
emqx_ctl:print("~s~n", [emqx_logger:get_primary_log_level()]);
log(["handlers", "list"]) ->
_ = [emqx_ctl:print("LogHandler(id=~s, level=~s, destination=~s, status=~s)~n",
[Id, Level, Dst, Status]) || #{id := Id, level := Level, dst := Dst, status := Status}
<- emqx_logger:get_log_handlers()],
ok;
log(["handlers", "start", HandlerId]) ->
case emqx_logger:start_log_handler(list_to_atom(HandlerId)) of
ok -> emqx_ctl:print("log handler ~s started~n", [HandlerId]);
{error, Reason} ->
emqx_ctl:print("[error] failed to start log handler ~s: ~p~n", [HandlerId, Reason])
end;
log(["handlers", "stop", HandlerId]) ->
case emqx_logger:stop_log_handler(list_to_atom(HandlerId)) of
ok -> emqx_ctl:print("log handler ~s stopped~n", [HandlerId]);
{error, Reason} ->
emqx_ctl:print("[error] failed to stop log handler ~s: ~p~n", [HandlerId, Reason])
end;
log(["handlers", "set-level", HandlerId, Level]) ->
case emqx_logger:set_log_handler_level(list_to_atom(HandlerId), list_to_atom(Level)) of
ok ->
#{level := NewLevel} = emqx_logger:get_log_handler(list_to_atom(HandlerId)),
emqx_ctl:print("~s~n", [NewLevel]);
{error, Error} ->
emqx_ctl:print("[error] ~p~n", [Error])
end;
log(_) ->
emqx_ctl:usage([{"log set-level <Level>", "Set the overall log level"},
{"log primary-level", "Show the primary log level now"},
{"log primary-level <Level>","Set the primary log level"},
{"log handlers list", "Show log handlers"},
{"log handlers start <HandlerId>", "Start a log handler"},
{"log handlers stop <HandlerId>", "Stop a log handler"},
{"log handlers set-level <HandlerId> <Level>",
"Set log level of a log handler"}]).
%%--------------------------------------------------------------------
%% @doc Trace Command
trace(["list"]) ->
lists:foreach(fun(Trace) ->
#{type := Type, filter := Filter, level := Level, dst := Dst} = Trace,
emqx_ctl:print("Trace(~s=~s, level=~s, destination=~p)~n", [Type, Filter, Level, Dst])
end, emqx_trace_handler:running());
trace(["stop", Operation, ClientId]) ->
case trace_type(Operation) of
{ok, Type} -> trace_off(Type, ClientId);
error -> trace([])
end;
trace(["start", Operation, ClientId, LogFile]) ->
trace(["start", Operation, ClientId, LogFile, "all"]);
trace(["start", Operation, ClientId, LogFile, Level]) ->
case trace_type(Operation) of
{ok, Type} -> trace_on(Type, ClientId, list_to_existing_atom(Level), LogFile);
error -> trace([])
end;
trace(_) ->
emqx_ctl:usage([{"trace list", "List all traces started on local node"},
{"trace start client <ClientId> <File> [<Level>]",
"Traces for a client on local node"},
{"trace stop client <ClientId>",
"Stop tracing for a client on local node"},
{"trace start topic <Topic> <File> [<Level>] ",
"Traces for a topic on local node"},
{"trace stop topic <Topic> ",
"Stop tracing for a topic on local node"},
{"trace start ip_address <IP> <File> [<Level>] ",
"Traces for a client ip on local node"},
{"trace stop ip_addresss <IP> ",
"Stop tracing for a client ip on local node"}
]).
trace_on(Who, Name, Level, LogFile) ->
case emqx_trace_handler:install(Who, Name, Level, LogFile) of
ok ->
emqx_ctl:print("trace ~s ~s successfully~n", [Who, Name]);
{error, Error} ->
emqx_ctl:print("[error] trace ~s ~s: ~p~n", [Who, Name, Error])
end.
trace_off(Who, Name) ->
case emqx_trace_handler:uninstall(Who, Name) of
ok ->
emqx_ctl:print("stop tracing ~s ~s successfully~n", [Who, Name]);
{error, Error} ->
emqx_ctl:print("[error] stop tracing ~s ~s: ~p~n", [Who, Name, Error])
end.
%%--------------------------------------------------------------------
%% @doc Trace Cluster Command
traces(["list"]) ->
{ok, List} = emqx_trace_api:list_trace(get, []),
case List of
[] ->
emqx_ctl:print("Cluster Trace is empty~n", []);
_ ->
lists:foreach(fun(Trace) ->
#{type := Type, name := Name, status := Status,
log_size := LogSize} = Trace,
emqx_ctl:print("Trace(~s: ~s=~s, ~s, LogSize:~p)~n",
[Name, Type, maps:get(Type, Trace), Status, LogSize])
end, List)
end,
length(List);
traces(["stop", Name]) ->
trace_cluster_off(Name);
traces(["delete", Name]) ->
trace_cluster_del(Name);
traces(["start", Name, Operation, Filter]) ->
traces(["start", Name, Operation, Filter, "900"]);
traces(["start", Name, Operation, Filter, DurationS]) ->
case trace_type(Operation) of
{ok, Type} -> trace_cluster_on(Name, Type, Filter, DurationS);
error -> traces([])
end;
traces(_) ->
emqx_ctl:usage([{"traces list", "List all cluster traces started"},
{"traces start <Name> client <ClientId>", "Traces for a client in cluster"},
{"traces start <Name> topic <Topic>", "Traces for a topic in cluster"},
{"traces start <Name> ip_address <IPAddr>", "Traces for a IP in cluster"},
{"traces stop <Name>", "Stop trace in cluster"},
{"traces delete <Name>", "Delete trace in cluster"}
]).
trace_cluster_on(Name, Type, Filter, DurationS0) ->
case erlang:whereis(emqx_trace) of
undefined ->
emqx_ctl:print("[error] Tracer module not started~n"
"Please run `emqx_ctl modules start tracer` "
"or `emqx_ctl modules start emqx_mod_trace` first~n", []);
_ ->
DurationS = list_to_integer(DurationS0),
Now = erlang:system_time(second),
Trace = #{ name => list_to_binary(Name)
, type => atom_to_binary(Type)
, Type => list_to_binary(Filter)
, start_at => list_to_binary(calendar:system_time_to_rfc3339(Now))
, end_at => list_to_binary(calendar:system_time_to_rfc3339(Now + DurationS))
},
case emqx_trace:create(Trace) of
ok ->
emqx_ctl:print("Cluster_trace ~p ~s ~s successfully~n", [Type, Filter, Name]);
{error, Error} ->
emqx_ctl:print("[error] Cluster_trace ~s ~s=~s ~p~n",
[Name, Type, Filter, Error])
end
end.
trace_cluster_del(Name) ->
case emqx_trace:delete(list_to_binary(Name)) of
ok -> emqx_ctl:print("Del cluster_trace ~s successfully~n", [Name]);
{error, Error} -> emqx_ctl:print("[error] Del cluster_trace ~s: ~p~n", [Name, Error])
end.
trace_cluster_off(Name) ->
case emqx_trace:update(list_to_binary(Name), false) of
ok -> emqx_ctl:print("Stop cluster_trace ~s successfully~n", [Name]);
{error, Error} -> emqx_ctl:print("[error] Stop cluster_trace ~s: ~p~n", [Name, Error])
end.
trace_type("client") -> {ok, clientid};
trace_type("topic") -> {ok, topic};
trace_type("ip_address") -> {ok, ip_address};
trace_type(_) -> error.
%%--------------------------------------------------------------------
%% @doc Listeners Command
listeners([]) ->
lists:foreach(fun({{Protocol, ListenOn}, _Pid}) ->
Info = [{listen_on, {string, emqx_listeners:format_listen_on(ListenOn)}},
{acceptors, esockd:get_acceptors({Protocol, ListenOn})},
{max_conns, esockd:get_max_connections({Protocol, ListenOn})},
{current_conn, esockd:get_current_connections({Protocol, ListenOn})},
{shutdown_count, esockd:get_shutdown_count({Protocol, ListenOn})}
],
emqx_ctl:print("~s~n", [listener_identifier(Protocol, ListenOn)]),
lists:foreach(fun indent_print/1, Info)
end, esockd:listeners()),
lists:foreach(fun({Protocol, Opts}) ->
Port = proplists:get_value(port, Opts),
Acceptors = maps:get(num_acceptors, proplists:get_value(transport_options, Opts, #{}), 0),
Info = [{listen_on, {string, emqx_listeners:format_listen_on(Port)}},
{acceptors, Acceptors},
{max_conns, proplists:get_value(max_connections, Opts)},
{current_conn, proplists:get_value(all_connections, Opts)},
{shutdown_count, []}],
emqx_ctl:print("~s~n", [listener_identifier(Protocol, Port)]),
lists:foreach(fun indent_print/1, Info)
end, ranch:info());
listeners(["stop", Name = "http" ++ _N | _MaybePort]) ->
%% _MaybePort is to be backward compatible, to stop http listener,
%% there is no need for the port number
case minirest:stop_http(list_to_atom(Name)) of
ok ->
emqx_ctl:print("Stop ~s listener successfully.~n", [Name]);
{error, Error} ->
emqx_ctl:print("Failed to stop ~s listener: ~0p~n", [Name, Error])
end;
listeners(["stop", "mqtt:" ++ _ = Identifier]) ->
stop_listener(emqx_listeners:find_by_id(Identifier), Identifier);
listeners(["stop", _Proto, ListenOn]) ->
%% this clause is kept to be backward compatible
ListenOn1 = case string:tokens(ListenOn, ":") of
[Port] -> list_to_integer(Port);
[IP, Port] -> {IP, list_to_integer(Port)}
end,
stop_listener(emqx_listeners:find_by_listen_on(ListenOn1), ListenOn1);
listeners(["restart", "http:management"]) ->
restart_http_listener(http, emqx_management);
listeners(["restart", "https:management"]) ->
restart_http_listener(https, emqx_management);
listeners(["restart", "http:dashboard"]) ->
restart_http_listener(http, emqx_dashboard);
listeners(["restart", "https:dashboard"]) ->
restart_http_listener(https, emqx_dashboard);
listeners(["restart", Identifier]) ->
case emqx_listeners:restart_listener(Identifier) of
ok ->
emqx_ctl:print("Restarted ~s listener successfully.~n", [Identifier]);
{error, Error} ->
emqx_ctl:print("Failed to restart ~s listener: ~0p~n", [Identifier, Error])
end;
listeners(_) ->
emqx_ctl:usage([{"listeners", "List listeners"},
{"listeners stop <Identifier>", "Stop a listener"},
{"listeners stop <Proto> <Port>", "Stop a listener"},
{"listeners restart <Identifier>", "Restart a listener"}
]).
stop_listener(false, Input) ->
emqx_ctl:print("No such listener ~p~n", [Input]);
stop_listener(#{listen_on := ListenOn} = Listener, _Input) ->
ID = emqx_listeners:identifier(Listener),
ListenOnStr = emqx_listeners:format_listen_on(ListenOn),
case emqx_listeners:stop_listener(Listener) of
ok ->
emqx_ctl:print("Stop ~s listener on ~s successfully.~n", [ID, ListenOnStr]);
{error, Reason} ->
emqx_ctl:print("Failed to stop ~s listener on ~s: ~0p~n",
[ID, ListenOnStr, Reason])
end.
%%--------------------------------------------------------------------
%% @doc data Command
data(["export"]) ->
case emqx_mgmt_data_backup:export() of
{ok, #{filename := Filename}} ->
emqx_ctl:print("The emqx data has been successfully exported to ~s.~n", [Filename]);
{error, Reason} ->
emqx_ctl:print("The emqx data export failed due to ~p.~n", [Reason])
end;
data(["import", Filename]) ->
data(["import", Filename, "--env", "{}"]);
data(["import", Filename, "--env", Env]) ->
case emqx_mgmt_data_backup:import(Filename, Env) of
ok ->
emqx_ctl:print("The emqx data has been imported successfully.~n");
{error, import_failed} ->
emqx_ctl:print("The emqx data import failed.~n");
{error, unsupported_version} ->
emqx_ctl:print("The emqx data import failed: Unsupported version.~n");
{error, Reason} ->
emqx_ctl:print("The emqx data import failed: ~0p while reading ~s.~n",
[Reason, Filename])
end;
data(_) ->
emqx_ctl:usage([{"data import <File> [--env '<json>']",
"Import data from the specified file, possibly with overrides"},
{"data export", "Export data"}]).
%%--------------------------------------------------------------------
%% @doc acl Command
acl(["cache-clean", "node", Node]) ->
case emqx_mgmt:clean_acl_cache_all(erlang:list_to_existing_atom(Node)) of
ok ->
emqx_ctl:print("ACL cache drain started on node ~s.~n", [Node]);
{error, Reason} ->
emqx_ctl:print("ACL drain failed on node ~s: ~0p.~n", [Node, Reason])
end;
acl(["cache-clean", "all"]) ->
case emqx_mgmt:clean_acl_cache_all() of
ok ->
emqx_ctl:print("Started ACL cache drain in all nodes~n");
{error, Reason} ->
emqx_ctl:print("ACL cache-clean failed: ~p.~n", [Reason])
end;
acl(["cache-clean", ClientId]) ->
emqx_mgmt:clean_acl_cache(ClientId);
acl(_) ->
emqx_ctl:usage([{"acl cache-clean all", "Clears acl cache on all nodes"},
{"acl cache-clean node <Node>", "Clears acl cache on given node"},
{"acl cache-clean <ClientId>", "Clears acl cache for given client"}
]).
%%--------------------------------------------------------------------
%% Dump ETS
%%--------------------------------------------------------------------
dump(Table) ->
dump(Table, Table, ets:first(Table), []).
dump(Table, Tag) ->
dump(Table, Tag, ets:first(Table), []).
dump(_Table, _, '$end_of_table', Result) ->
lists:reverse(Result);
dump(Table, Tag, Key, Result) ->
Ls = lists:foldl(fun(Record, Acc) ->
try
[print({Tag, Record}) | Acc]
catch
Class : Reason : Stk ->
logger:error("Failed to print ~p, error: {~p, ~p}. "
"Stacktrace: ~0p",
[Record, Class, Reason, Stk]),
Acc
end
end, [], ets:lookup(Table, Key)),
dump(Table, Tag, ets:next(Table, Key), [lists:reverse(Ls) | Result]).
print({_, []}) ->
ok;
print({client, {ClientId, ChanPid}}) ->
Attrs = case emqx_cm:get_chan_info(ClientId, ChanPid) of
undefined -> #{};
Attrs0 -> Attrs0
end,
Stats = case emqx_cm:get_chan_stats(ClientId, ChanPid) of
undefined -> #{};
Stats0 -> maps:from_list(Stats0)
end,
ClientInfo = maps:get(clientinfo, Attrs, #{}),
ConnInfo = maps:get(conninfo, Attrs, #{}),
Session = maps:get(session, Attrs, #{}),
Connected = case maps:get(conn_state, Attrs, undefined) of
connected -> true;
_ -> false
end,
Info = lists:foldl(fun(Items, Acc) ->
maps:merge(Items, Acc)
end, #{connected => Connected},
[maps:with([subscriptions_cnt, inflight_cnt, awaiting_rel_cnt,
mqueue_len, mqueue_dropped, send_msg], Stats),
maps:with([clientid, username], ClientInfo),
maps:with([peername, clean_start, keepalive, expiry_interval,
connected_at, disconnected_at], ConnInfo),
maps:with([created_at], Session)]),
InfoKeys = [clientid, username, peername,
clean_start, keepalive, expiry_interval,
subscriptions_cnt, inflight_cnt, awaiting_rel_cnt,
send_msg, mqueue_len, mqueue_dropped,
connected, created_at, connected_at] ++
case maps:is_key(disconnected_at, Info) of
true -> [disconnected_at];
false -> []
end,
emqx_ctl:print("Client(~s, username=~s, peername=~s, "
"clean_start=~s, keepalive=~w, session_expiry_interval=~w, "
"subscriptions=~w, inflight=~w, awaiting_rel=~w, "
"delivered_msgs=~w, enqueued_msgs=~w, dropped_msgs=~w, "
"connected=~s, created_at=~w, connected_at=~w" ++
case maps:is_key(disconnected_at, Info) of
true -> ", disconnected_at=~w)~n";
false -> ")~n"
end,
[format(K, maps:get(K, Info)) || K <- InfoKeys]);
print({emqx_route, #route{topic = Topic, dest = {_, Node}}}) ->
emqx_ctl:print("~s -> ~s~n", [Topic, Node]);
print({emqx_route, #route{topic = Topic, dest = Node}}) ->
emqx_ctl:print("~s -> ~s~n", [Topic, Node]);
print(#plugin{name = Name, descr = Descr, active = Active}) ->
emqx_ctl:print("Plugin(~s, description=~s, active=~s)~n",
[Name, Descr, Active]);
print({emqx_suboption, {{Pid, Topic}, Options}}) when is_pid(Pid) ->
emqx_ctl:print("~s -> ~s~n", [maps:get(subid, Options), Topic]).
format(_, undefined) ->
undefined;
format(peername, {IPAddr, Port}) ->
IPStr = emqx_mgmt_util:ntoa(IPAddr),
io_lib:format("~s:~p", [IPStr, Port]);
format(_, Val) ->
Val.
bin(S) -> iolist_to_binary(S).
indent_print({Key, {string, Val}}) ->
emqx_ctl:print(" ~-16s: ~s~n", [Key, Val]);
indent_print({Key, Val}) ->
emqx_ctl:print(" ~-16s: ~w~n", [Key, Val]).
listener_identifier(Protocol, ListenOn) ->
case emqx_listeners:find_id_by_listen_on(ListenOn) of
false ->
atom_to_list(Protocol);
ID ->
ID
end.
restart_http_listener(Scheme, AppName) ->
Listeners = application:get_env(AppName, listeners, []),
case lists:keyfind(Scheme, 1, Listeners) of
false ->
emqx_ctl:print("Listener ~s not exists!~n", [AppName]);
{Scheme, Port, Options} ->
ModName = http_mod_name(AppName),
ModName:stop_listener({Scheme, Port, Options}),
ModName:start_listener({Scheme, Port, Options})
end.
http_mod_name(emqx_management) -> emqx_mgmt_http;
http_mod_name(Name) -> Name.
print_app_info({AppId, AppSecret, Name, Desc, Status, Expired}) ->
emqx_ctl:print("app_id: ~s, secret: ~s, name: ~s, desc: ~s, status: ~s, expired: ~p~n",
[AppId, AppSecret, Name, Desc, Status, Expired]).