chore(sync-apps): re-sync apps from dev/v4.3.0 branch

apps/emqx_auth_mnesia/src/emqx_auth_mnesia.erl

@@ -63,8 +63,10 @@ check(ClientInfo = #{ clientid := Clientid
             emqx_metrics:inc(?AUTH_METRICS(ignore)),
             ok;
         List ->
-            case match_password(NPassword, HashType, List)  of
+            case [ Hash  || <<Salt:4/binary, Hash/binary>> <- lists:sort(fun emqx_auth_mnesia_cli:comparing/2, List),
-                false ->
+                            Hash =:= hash(NPassword, Salt, HashType)
+                 ] of
+                [] ->
                     ?LOG(error, "[Mnesia] Auth from mnesia failed: ~p", [ClientInfo]),
                     emqx_metrics:inc(?AUTH_METRICS(failure)),
                     {stop, AuthResult#{anonymous => false, auth_result => password_error}};
@@ -76,34 +78,7 @@ check(ClientInfo = #{ clientid := Clientid
 
 description() -> "Authentication with Mnesia".
 
-match_password(Password, HashType, HashList) ->
-    lists:any(
-      fun(Secret) ->
-        case is_salt_hash(Secret, HashType) of
-            true ->
-                <<Salt:4/binary, Hash/binary>> = Secret,
-                Hash =:= hash(Password, Salt, HashType);
-            _ ->
-                Secret =:= hash(Password, HashType)
-        end
-      end, HashList).
-
-hash(undefined, HashType) ->
-    hash(<<>>, HashType);
-hash(Password, HashType) ->
-    emqx_passwd:hash(HashType, Password).
-
 hash(undefined, SaltBin, HashType) ->
     hash(<<>>, SaltBin, HashType);
 hash(Password, SaltBin, HashType) ->
     emqx_passwd:hash(HashType, <<SaltBin/binary, Password/binary>>).
-
-is_salt_hash(_, plain) ->
-    true;
-is_salt_hash(Secret, HashType) ->
-    not (byte_size(Secret) == len(HashType)).
-
-len(md5) -> 32;
-len(sha) -> 40;
-len(sha256) -> 64;
-len(sha512) -> 128.

apps/emqx_auth_mongo/src/emqx_auth_mongo.erl

@@ -87,10 +87,16 @@ description() -> "Authentication with MongoDB".
 is_superuser(_Pool, undefined, _ClientInfo) ->
     false;
 is_superuser(Pool, #superquery{collection = Coll, field = Field, selector = Selector}, ClientInfo) ->
-    Row = query(Pool, Coll, maps:from_list(replvars(Selector, ClientInfo))),
+    case query(Pool, Coll, maps:from_list(replvars(Selector, ClientInfo))) of
-    case maps:get(Field, Row, false) of
+        undefined -> false;
-        true   -> true;
+        {error, Reason} ->
-        _False -> false
+            ?LOG(error, "[MongoDB] Can't connect to MongoDB server: ~0p", [Reason]),
+            false;
+        Row ->
+            case maps:get(Field, Row, false) of
+                true   -> true;
+                _False -> false
+            end
     end.
 
 replvars(VarList, ClientInfo) ->

apps/emqx_auth_pgsql/etc/emqx_auth_pgsql.conf

@@ -39,6 +39,14 @@ auth.pgsql.encoding = utf8
 ## Value: true | false
 auth.pgsql.ssl = false
 
+## TLS version
+## You can configure multi-version use "," split,
+## default value is :tlsv1.2
+## Example:
+##    tlsv1.1,tlsv1.2,tlsv1.3
+##
+## auth.pgsql.ssl.tls_versions = tlsv1.2
+
 ## SSL keyfile.
 ##
 ## Value: File

apps/emqx_auth_pgsql/priv/emqx_auth_pgsql.schema

@@ -35,6 +35,11 @@
   {datatype, {enum, [true, false]}}
 ]}.
 
+{mapping, "auth.pgsql.ssl.tls_versions", "emqx_auth_pgsql.server", [
+  {default, "tlsv1.2"},
+  {datatype, string}
+]}.
+
 {mapping, "auth.pgsql.ssl_opts.keyfile", "emqx_auth_pgsql.server", [
   {datatype, string}
 ]}.
@@ -62,6 +67,8 @@
   DB = cuttlefish:conf_get("auth.pgsql.database", Conf),
   Encoding = cuttlefish:conf_get("auth.pgsql.encoding", Conf),
   Ssl = cuttlefish:conf_get("auth.pgsql.ssl", Conf),
+  SslVersions = [list_to_atom(Value)
+                ||Value <- string:tokens(cuttlefish:conf_get("auth.pgsql.ssl.tls_versions", Conf), " ,")],
 
   Filter  = fun(Opts) -> [{K, V} || {K, V} <- Opts, V =/= undefined] end,
   SslOpts = fun(Prefix) ->
@@ -85,7 +92,7 @@
    {database, DB},
    {encoding, Encoding},
    {ssl, Ssl},
-   {ssl_opts, SslOpts("auth.pgsql.ssl_opts")}]
+   {ssl_opts,[{versions, SslVersions}] ++ SslOpts("auth.pgsql.ssl_opts")}]
 end}.
 
 {mapping, "auth.pgsql.auth_query", "emqx_auth_pgsql.auth_query", [

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE.erl

@@ -29,9 +29,9 @@
 -include_lib("common_test/include/ct.hrl").
 
 %%setp1 init table
--define(DROP_ACL_TABLE, "DROP TABLE IF EXISTS mqtt_acl_test").
+-define(DROP_ACL_TABLE, "DROP TABLE IF EXISTS mqtt_acl").
 
--define(CREATE_ACL_TABLE, "CREATE TABLE mqtt_acl_test (
+-define(CREATE_ACL_TABLE, "CREATE TABLE mqtt_acl (
                            id SERIAL primary key,
                            allow integer,
                            ipaddr character varying(60),
@@ -40,23 +40,23 @@
                            access  integer,
                            topic character varying(100))").
 
--define(INIT_ACL, "INSERT INTO mqtt_acl_test (id, allow, ipaddr, username, clientid, access, topic)
+-define(INIT_ACL, "INSERT INTO mqtt_acl (id, allow, ipaddr, username, clientid, access, topic)
                    VALUES
                    (1,1,'127.0.0.1','u1','c1',1,'t1'),
                    (2,0,'127.0.0.1','u2','c2',1,'t1'),
                    (3,1,'10.10.0.110','u1','c1',1,'t1'),
                    (4,1,'127.0.0.1','u3','c3',3,'t1')").
 
--define(DROP_AUTH_TABLE, "DROP TABLE IF EXISTS mqtt_user_test").
+-define(DROP_AUTH_TABLE, "DROP TABLE IF EXISTS mqtt_user").
 
--define(CREATE_AUTH_TABLE, "CREATE TABLE mqtt_user_test (
+-define(CREATE_AUTH_TABLE, "CREATE TABLE mqtt_user (
                             id SERIAL primary key,
                             is_superuser boolean,
                             username character varying(100),
                             password character varying(100),
                             salt character varying(40))").
 
--define(INIT_AUTH, "INSERT INTO mqtt_user_test (id, is_superuser, username, password, salt)
+-define(INIT_AUTH, "INSERT INTO mqtt_user (id, is_superuser, username, password, salt)
                      VALUES
                      (1, true, 'plain', 'plain', 'salt'),
                      (2, false, 'md5', '1bc29b36f623ba82aaf6724fd3b16718', 'salt'),
@@ -67,61 +67,25 @@
                      (7, false, 'bcrypt', '$2y$16$rEVsDarhgHYB0TGnDFJzyu5f.T.Ha9iXMTk9J36NCMWWM7O16qyaK', 'salt')").
 
 all() ->
-    [{group, ssl}, {group, nossl}].
+    emqx_ct:all(?MODULE).
 
-groups() ->
+init_per_suite(Config) ->
-    Cases = emqx_ct:all(?MODULE),
+    emqx_ct_helpers:start_apps([emqx_auth_pgsql]),
-    [{ssl, [sequence], Cases}, {nossl, [sequence], Cases}].
+    drop_acl(),
-
+    drop_auth(),
-init_per_group(Name, Config) ->
+    init_auth(),
-    case Name of
+    init_acl(),
-      ssl ->
+    set_special_configs(),
-        emqx_ct_helpers:start_apps([emqx_auth_pgsql], fun set_special_configs_ssl/1);
-      nossl ->
-        emqx_ct_helpers:start_apps([emqx_auth_pgsql], fun set_special_configs/1)
-    end,
-    init_auth_(),
-    init_acl_(),
     Config.
 
-end_per_group(_, Config) ->
+end_per_suite(Config) ->
-    drop_auth_(),
-    drop_acl_(),
     emqx_ct_helpers:stop_apps([emqx_auth_pgsql]),
     Config.
 
-set_special_configs_ssl(Name) ->
+set_special_configs() ->
-    Server = application:get_env(?APP, server, []),
-    Path = emqx_ct_helpers:deps_path(emqx_auth_pgsql, "test/emqx_auth_pgsql_SUITE_data/"),
-    Sslopts = [{keyfile, Path ++ "/client-key.pem"},
-               {certfile, Path ++ "/client-cert.pem"},
-               {cacertfile, Path ++ "/ca.pem"}],
-    Temp = lists:keyreplace(ssl, 1, Server, {ssl, true}),
-    application:set_env(?APP, server, Temp),
-    application:set_env(?APP, server, lists:keyreplace(ssl_opts, 1, Temp, {ssl_opts, Sslopts})),
-    set_special_configs(Name).
-
-set_special_configs(emqx) ->
     application:set_env(emqx, acl_nomatch, deny),
-    application:set_env(emqx, acl_file,
-                        emqx_ct_helpers:deps_path(emqx, "test/emqx_SUITE_data/acl.conf")),
     application:set_env(emqx, allow_anonymous, false),
-    application:set_env(emqx, enable_acl_cache, false),
+    application:set_env(emqx, enable_acl_cache, false).
-    application:set_env(emqx, plugins_loaded_file,
-                        emqx_ct_helpers:deps_path(emqx, "test/emqx_SUITE_data/loaded_plugins"));
-
-set_special_configs(emqx_auth_pgsql) ->
-    Server = application:get_env(?APP, server, []),
-    application:set_env(?APP, server,
-                        lists:keyreplace(password,
-                                         1,
-                                         lists:keyreplace(pool_size, 1, Server, {pool_size, 1}),
-                                         {password, "public"})),
-    application:set_env(?APP, acl_query, "select allow, ipaddr, username, clientid, access, topic from mqtt_acl_test where ipaddr = '%a' or username = '%u' or username = '$all' or clientid = '%c'"),
-    application:set_env(?APP, super_query, "select is_superuser from mqtt_user_test where username = '%u' limit 1"),
-    application:set_env(?APP, auth_query, "select password from mqtt_user_test where username = '%u' limit 1");
-set_special_configs(_App) ->
-    ok.
 
 t_comment_config(_) ->
     AuthCount = length(emqx_hooks:lookup('client.authenticate')),
@@ -136,7 +100,7 @@ t_comment_config(_) ->
 t_placeholders(_) ->
     ClientA = #{username => <<"plain">>, clientid => <<"plain">>, zone => external},
     reload([{password_hash, plain},
-            {auth_query, "select password from mqtt_user_test where username = '%u' and 'a_cn_val' = '%C' limit 1"}]),
+            {auth_query, "select password from mqtt_user where username = '%u' and 'a_cn_val' = '%C' limit 1"}]),
     {error, not_authorized} =
         emqx_access_control:authenticate(ClientA#{password => <<"plain">>}),
     {error, not_authorized} =
@@ -144,7 +108,7 @@ t_placeholders(_) ->
     {ok, _} =
         emqx_access_control:authenticate(ClientA#{password => <<"plain">>, cn => <<"a_cn_val">>}),
 
-    reload([{auth_query, "select password from mqtt_user_test where username = '%c' and 'a_dn_val' = '%d' limit 1"}]),
+    reload([{auth_query, "select password from mqtt_user where username = '%c' and 'a_dn_val' = '%d' limit 1"}]),
     {error, not_authorized} =
         emqx_access_control:authenticate(ClientA#{password => <<"plain">>}),
     {error, not_authorized} =
@@ -152,12 +116,11 @@ t_placeholders(_) ->
     {ok, _} =
         emqx_access_control:authenticate(ClientA#{password => <<"plain">>, dn => <<"a_dn_val">>}),
 
-     reload([{auth_query, "select password from mqtt_user_test where username = '%u' and '192.168.1.5' = '%a' limit 1"}]),
+     reload([{auth_query, "select password from mqtt_user where username = '%u' and '192.168.1.5' = '%a' limit 1"}]),
      {error, not_authorized} =
          emqx_access_control:authenticate(ClientA#{password => <<"plain">>}),
      {ok, _} =
          emqx_access_control:authenticate(ClientA#{password => <<"plain">>, peerhost => {192,168,1,5}}).
-
 t_check_auth(_) ->
     Plain = #{clientid => <<"client1">>, username => <<"plain">>, zone => external},
     Md5 = #{clientid => <<"md5">>, username => <<"md5">>, zone => external},
@@ -167,29 +130,39 @@ t_check_auth(_) ->
     BcryptFoo = #{clientid => <<"bcrypt_foo">>, username => <<"bcrypt_foo">>, zone => external},
     User1 = #{clientid => <<"bcrypt_foo">>, username => <<"user">>, zone => external},
     Bcrypt = #{clientid => <<"bcrypt">>, username => <<"bcrypt">>, zone => external},
-    reload([{password_hash, plain},
+    BcryptWrong = #{clientid => <<"bcrypt_wrong">>, username => <<"bcrypt_wrong">>, zone => external},
-            {auth_query, "select password from mqtt_user_test where username = '%u' limit 1"}]),
+    reload([{password_hash, plain}]),
-    {ok, #{is_superuser := true}} = emqx_access_control:authenticate(Plain#{password => <<"plain">>}),
+    {ok,#{is_superuser := true}} =
+        emqx_access_control:authenticate(Plain#{password => <<"plain">>}),
     reload([{password_hash, md5}]),
-    {ok, #{is_superuser := false}} = emqx_access_control:authenticate(Md5#{password => <<"md5">>}),
+    {ok,#{is_superuser := false}} =
+        emqx_access_control:authenticate(Md5#{password => <<"md5">>}),
     reload([{password_hash, sha}]),
-    {ok, #{is_superuser := false}} = emqx_access_control:authenticate(Sha#{password => <<"sha">>}),
+    {ok,#{is_superuser := false}} =
+        emqx_access_control:authenticate(Sha#{password => <<"sha">>}),
     reload([{password_hash, sha256}]),
-    {ok, #{is_superuser := false}} = emqx_access_control:authenticate(Sha256#{password => <<"sha256">>}),
+    {ok,#{is_superuser := false}} =
+        emqx_access_control:authenticate(Sha256#{password => <<"sha256">>}),
     reload([{password_hash, bcrypt}]),
-    {ok, #{is_superuser := false}} = emqx_access_control:authenticate(Bcrypt#{password => <<"password">>}),
+    {ok,#{is_superuser := false}} =
+        emqx_access_control:authenticate(Bcrypt#{password => <<"password">>}),
+    {error, not_authorized} =
+        emqx_access_control:authenticate(BcryptWrong#{password => <<"password">>}),
     %%pbkdf2 sha
-    reload([{password_hash, {pbkdf2, sha, 1, 16}}, {auth_query, "select password, salt from mqtt_user_test where username = '%u' limit 1"}]),
+    reload([{password_hash, {pbkdf2, sha, 1, 16}},
-    {ok, #{is_superuser := false}} = emqx_access_control:authenticate(Pbkdf2#{password => <<"password">>}),
+            {auth_query, "select password, salt from mqtt_user where username = '%u' limit 1"}]),
+    {ok,#{is_superuser := false}} =
+        emqx_access_control:authenticate(Pbkdf2#{password => <<"password">>}),
     reload([{password_hash, {salt, bcrypt}}]),
-    {ok, #{is_superuser := false}} = emqx_access_control:authenticate(BcryptFoo#{password => <<"foo">>}),
+    {ok,#{is_superuser := false}} =
+        emqx_access_control:authenticate(BcryptFoo#{password => <<"foo">>}),
     {error, _} = emqx_access_control:authenticate(User1#{password => <<"foo">>}),
     {error, not_authorized} = emqx_access_control:authenticate(Bcrypt#{password => <<"password">>}).
+
 t_check_acl(_) ->
     emqx_modules:load_module(emqx_mod_acl_internal, false),
     User1 = #{zone => external, peerhost => {127,0,0,1}, clientid => <<"c1">>, username => <<"u1">>},
     User2 = #{zone => external, peerhost => {127,0,0,1}, clientid => <<"c2">>, username => <<"u2">>},
-    reload([{acl_query, "select allow, ipaddr, username, clientid, access, topic from mqtt_acl_test where ipaddr = '%a' or username = '%u' or username = '$all' or clientid = '%c'"}]),
     allow = emqx_access_control:check_acl(User1, subscribe, <<"t1">>),
     deny = emqx_access_control:check_acl(User2, subscribe, <<"t1">>),
     User3 = #{zone => external, peerhost => {10,10,0,110}, clientid => <<"c1">>, username => <<"u1">>},
@@ -203,7 +176,7 @@ t_check_acl(_) ->
     allow = emqx_access_control:check_acl(User5, publish, <<"t1">>).
 
 t_acl_super(_) ->
-    reload([{password_hash, plain}, {auth_query, "select password from mqtt_user_test where username = '%u' limit 1"}]),
+    reload([{password_hash, plain}, {auth_query, "select password from mqtt_user where username = '%u' limit 1"}]),
     {ok, C} = emqtt:start_link([{host, "localhost"}, {clientid, <<"simpleClient">>},
                                 {username, <<"plain">>}, {password, <<"plain">>}]),
     {ok, _} = emqtt:connect(C),
@@ -226,22 +199,22 @@ reload(Config) when is_list(Config) ->
     [application:set_env(?APP, K, V) || {K, V} <- Config],
     application:start(?APP).
 
-init_acl_() ->
+init_acl() ->
     {ok, Pid} = ecpool_worker:client(gproc_pool:pick_worker({ecpool, ?POOL})),
     {ok, [], []} = epgsql:squery(Pid, ?DROP_ACL_TABLE),
     {ok, [], []} = epgsql:squery(Pid, ?CREATE_ACL_TABLE),
     {ok, _} = epgsql:equery(Pid, ?INIT_ACL).
 
-drop_acl_() ->
+drop_acl() ->
     {ok, Pid} = ecpool_worker:client(gproc_pool:pick_worker({ecpool, ?POOL})),
     {ok, [], []}= epgsql:squery(Pid, ?DROP_ACL_TABLE).
 
-init_auth_() ->
+init_auth() ->
     {ok, Pid} = ecpool_worker:client(gproc_pool:pick_worker({ecpool, ?POOL})),
     {ok, [], []} = epgsql:squery(Pid, ?DROP_AUTH_TABLE),
     {ok, [], []} = epgsql:squery(Pid, ?CREATE_AUTH_TABLE),
     {ok, _} = epgsql:equery(Pid, ?INIT_AUTH).
 
-drop_auth_() ->
+drop_auth() ->
     {ok, Pid} = ecpool_worker:client(gproc_pool:pick_worker({ecpool, ?POOL})),
     {ok, [], []} = epgsql:squery(Pid, ?DROP_AUTH_TABLE).

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE_data/ca.pem

@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDAzCCAeugAwIBAgIBATANBgkqhkiG9w0BAQsFADA8MTowOAYDVQQDDDFNeVNR
-TF9TZXJ2ZXJfOC4wLjE5X0F1dG9fR2VuZXJhdGVkX0NBX0NlcnRpZmljYXRlMB4X
-DTIwMDYxMTAzMzg0NloXDTMwMDYwOTAzMzg0NlowPDE6MDgGA1UEAwwxTXlTUUxf
-U2VydmVyXzguMC4xOV9BdXRvX0dlbmVyYXRlZF9DQV9DZXJ0aWZpY2F0ZTCCASIw
-DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANJBlAYvTQ6euY4HcSn4syH7kq9s
-KcG+OMjPUrj+KFEElCzgNuIhaS0f3ORQGB1PNcvVcfdXUI3WX332gWbr9s1b7Xl1
-JKJfDXs+26Cm6NhONTE3sPHnbTSmQEFb52hwAtjQmcY3IQs1AgxKFFHJfnCBEWfE
-ePBQaiuYk1XDESMdWpMLrPnYQaj9MpAOUxjlmZCayzPWlF0j0IWvfsF5TqZL7tFK
-9p5F/DzyZ4n1mqPVEoUmq5ZdSKj2TQkpWTMHBWHEDQQqXbyE1FGJR7zEUFeuG1KT
-sVBg7iZEC93SygZTbgUZSQXIwQCsO6xZ8MB2XDJkPbWp/3Wc6c8I6P09F48CAwEA
-AaMQMA4wDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEADKz6bIpP5anp
-GgLB0jkclRWuMlS4qqIt4itSsMXPJ/ezpHwECixmgW2TIQl6S1woRkUeMxhT2/Ay
-Sn/7aKxuzRagyE5NEGOvrOuAP5RO2ZdNJ/X3/Rh533fK1sOTEEbSsWUvW6iSkZef
-rsfZBVP32xBhRWkKRdLeLB4W99ADMa0IrTmZPCXHSSE2V4e1o6zWLXcOZeH1Qh8N
-SkelBweR+8r1Fbvy1r3s7eH7DCbYoGEDVLQGOLvzHKBisQHmoDnnF5E9g1eeNRdg
-o+vhOKfYCOzeNREJIqS42PHcGhdNRk90ycigPmfUJclz1mDHoMjKR2S5oosTpr65
-tNPx3CL7GA==
------END CERTIFICATE-----

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE_data/client-cert.pem

@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDBDCCAeygAwIBAgIBAzANBgkqhkiG9w0BAQsFADA8MTowOAYDVQQDDDFNeVNR
-TF9TZXJ2ZXJfOC4wLjE5X0F1dG9fR2VuZXJhdGVkX0NBX0NlcnRpZmljYXRlMB4X
-DTIwMDYxMTAzMzg0N1oXDTMwMDYwOTAzMzg0N1owQDE+MDwGA1UEAww1TXlTUUxf
-U2VydmVyXzguMC4xOV9BdXRvX0dlbmVyYXRlZF9DbGllbnRfQ2VydGlmaWNhdGUw
-ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDVYSWpOvCTupz82fc85Opv
-EQ7rkB8X2oOMyBCpkyHKBIr1ZQgRDWBp9UVOASq3GnSElm6+T3Kb1QbOffa8GIlw
-sjAueKdq5L2eSkmPIEQ7eoO5kEW+4V866hE1LeL/PmHg2lGP0iqZiJYtElhHNQO8
-3y9I7cm3xWMAA3SSWikVtpJRn3qIp2QSrH+tK+/HHbE5QwtPxdir4ULSCSOaM5Yh
-Wi5Oto88TZqe1v7SXC864JVvO4LuS7TuSreCdWZyPXTJFBFeCEWSAxonKZrqHbBe
-CwKML6/0NuzjaQ51c2tzmVI6xpHj3nnu4cSRx6Jf9WBm+35vm0wk4pohX3ptdzeV
-AgMBAAGjDTALMAkGA1UdEwQCMAAwDQYJKoZIhvcNAQELBQADggEBAByQ5zSNeFUH
-Aw7JlpZHtHaSEeiiyBHke20ziQ07BK1yi/ms2HAWwQkpZv149sjNuIRH8pkTmkZn
-g8PDzSefjLbC9AsWpWV0XNV22T/cdobqLqMBDDZ2+5bsV+jTrOigWd9/AHVZ93PP
-IJN8HJn6rtvo2l1bh/CdsX14uVSdofXnuWGabNTydqtMvmCerZsdf6qKqLL+PYwm
-RDpgWiRUY7KPBSSlKm/9lJzA+bOe4dHeJzxWFVCJcbpoiTFs1je1V8kKQaHtuW39
-ifX6LTKUMlwEECCbDKM8Yq2tm8NjkjCcnFDtKg8zKGPUu+jrFMN5otiC3wnKcP7r
-O9EkaPcgYH8=
------END CERTIFICATE-----

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE_data/client-key.pem

@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEowIBAAKCAQEA1WElqTrwk7qc/Nn3POTqbxEO65AfF9qDjMgQqZMhygSK9WUI
-EQ1gafVFTgEqtxp0hJZuvk9ym9UGzn32vBiJcLIwLninauS9nkpJjyBEO3qDuZBF
-vuFfOuoRNS3i/z5h4NpRj9IqmYiWLRJYRzUDvN8vSO3Jt8VjAAN0klopFbaSUZ96
-iKdkEqx/rSvvxx2xOUMLT8XYq+FC0gkjmjOWIVouTraPPE2antb+0lwvOuCVbzuC
-7ku07kq3gnVmcj10yRQRXghFkgMaJyma6h2wXgsCjC+v9Dbs42kOdXNrc5lSOsaR
-49557uHEkceiX/VgZvt+b5tMJOKaIV96bXc3lQIDAQABAoIBAF7yjXmSOn7h6P0y
-WCuGiTLG2mbDiLJqj2LTm2Z5i+2Cu/qZ7E76Ls63TxF4v3MemH5vGfQhEhR5ZD/6
-GRJ1sKKvB3WGRqjwA9gtojHH39S/nWGy6vYW/vMOOH37XyjIr3EIdIaUtFQBTSHd
-Kd71niYrAbVn6fyWHolhADwnVmTMOl5OOAhCdEF4GN3b5aIhIu8BJ7EUzTtHBJIj
-CAEfjZFjDs1y1cIgGFJkuIQxMfCpq5recU2qwip7YO6fk//WEjOPu7kSf5IEswL8
-jg1dea9rGBV6KaD2xsgsC6Ll6Sb4BbsrHMfflG3K2Lk3RdVqqTFp1Fn1PTLQE/1S
-S/SZPYECgYEA9qYcHKHd0+Q5Ty5wgpxKGa4UCWkpwvfvyv4bh8qlmxueB+l2AIdo
-ZvkM8gTPagPQ3WypAyC2b9iQu70uOJo1NizTtKnpjDdN1YpDjISJuS/P0x73gZwy
-gmoM5AzMtN4D6IbxXtXnPaYICvwLKU80ouEN5ZPM4/ODLUu6gsp0v2UCgYEA3Xgi
-zMC4JF0vEKEaK0H6QstaoXUmw/lToZGH3TEojBIkb/2LrHUclygtONh9kJSFb89/
-jbmRRLAOrx3HZKCNGUmF4H9k5OQyAIv6OGBinvLGqcbqnyNlI+Le8zxySYwKMlEj
-EMrBCLmSyi0CGFrbZ3mlj/oCET/ql9rNvcK+DHECgYAEx5dH3sMjtgp+RFId1dWB
-xePRgt4yTwewkVgLO5wV82UOljGZNQaK6Eyd7AXw8f38LHzh+KJQbIvxd2sL4cEi
-OaAoohpKg0/Y0YMZl//rPMf0OWdmdZZs/I0fZjgZUSwWN3c59T8z7KG/RL8an9RP
-S7kvN7wCttdV61/D5RR6GQKBgDxCe/WKWpBKaovzydMLWLTj7/0Oi0W3iXHkzzr4
-LTgvl4qBSofaNbVLUUKuZTv5rXUG2IYPf99YqCYtzBstNDc1MiAriaBeFtzfOW4t
-i6gEFtoLLbuvPc3N5Sv5vn8Ug5G9UfU3td5R4AbyyCcoUZqOFuZd+EIJSiOXfXOs
-kVmBAoGBAIU9aPAqhU5LX902oq8KsrpdySONqv5mtoStvl3wo95WIqXNEsFY60wO
-q02jKQmJJ2MqhkJm2EoF2Mq8+40EZ5sz8LdgeQ/M0yQ9lAhPi4rftwhpe55Ma9dk
-SE9X1c/DMCBEaIjJqVXdy0/EeArwpb8sHkguVVAZUWxzD+phm1gs
------END RSA PRIVATE KEY-----

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE_data/pg.conf

@@ -1,21 +0,0 @@
-# - Connection Settings -
-
-listen_addresses = '*'
-port = 5432				# (change requires restart)
-max_connections = 100			# (change requires restart)
-# - SSL -
-
-ssl = on
-ssl_cert_file = '/etc/postgresql/server-cert.pem'
-ssl_key_file = '/etc/postgresql/server-key.pem'
-shared_buffers = 128MB			# min 128kB
-checkpoint_timeout = 5min		# range 30s-1d
-max_wal_size = 1GB
-min_wal_size = 80MB
-datestyle = 'iso, mdy'
-timezone = 'Etc/UTC'
-lc_messages = 'en_US.utf8'			# locale for system error message
-lc_monetary = 'en_US.utf8'			# locale for monetary formatting
-lc_numeric = 'en_US.utf8'			# locale for number formatting
-lc_time = 'en_US.utf8'				# locale for time formatting
-default_text_search_config = 'pg_catalog.english'

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE_data/server-cert.pem

@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDBDCCAeygAwIBAgIBAjANBgkqhkiG9w0BAQsFADA8MTowOAYDVQQDDDFNeVNR
-TF9TZXJ2ZXJfOC4wLjE5X0F1dG9fR2VuZXJhdGVkX0NBX0NlcnRpZmljYXRlMB4X
-DTIwMDYxMTAzMzg0NloXDTMwMDYwOTAzMzg0NlowQDE+MDwGA1UEAww1TXlTUUxf
-U2VydmVyXzguMC4xOV9BdXRvX0dlbmVyYXRlZF9TZXJ2ZXJfQ2VydGlmaWNhdGUw
-ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCcEnEm5hqP1EbEJycOz8Ua
-NWp29QdpFUzTWhkKGhVXk+0msmNTw4NBAFB42moY44OU8wvDideOlJNhPRWveD8z
-G2lxzJA91p0UK4et8ia9MmeuCGhdC9jxJ8X69WNlUiPyy0hI/ZsqRq9Z0C2eW0iL
-JPXsy4X8Xpw3SFwoXf5pR9RFY5Pb2tuyxqmSestu2VXT/NQjJg4CVDR3mFcHPXZB
-4elRzH0WshExEGkgy0bg20MJeRc2Qdb5Xx+EakbmwroDWaCn3NSGqQ7jv6Vw0doy
-TGvS6h6RHBxnyqRfRgKGlCoOMG9/5+rFJC00QpCUG2vHXHWGoWlMlJ3foN7rj5v9
-AgMBAAGjDTALMAkGA1UdEwQCMAAwDQYJKoZIhvcNAQELBQADggEBAJ5zt2rj4Ag6
-zpN59AWC1Fur8g8l41ksHkSpKPp+PtyO/ngvbMqBpfmK1e7JCKZv/68QXfMyWWAI
-hwalqZkXXWHKjuz3wE7dE25PXFXtGJtcZAaj10xt98fzdqt8lQSwh2kbfNwZIz1F
-sgAStgE7+ZTcqTgvNB76Os1UK0to+/P0VBWktaVFdyub4Nc2SdPVnZNvrRBXBwOD
-3V8ViwywDOFoE7DvCvwx/SVsvoC0Z4j3AMMovO6oHicP7uU83qsQgm1Qru3YeoLR
-+DoVi7IPHbWvN7MqFYn3YjNlByO2geblY7MR0BlqbFlmFrqLsUfjsh2ys7/U/knC
-dN/klu446fI=
------END CERTIFICATE-----

apps/emqx_auth_pgsql/test/emqx_auth_pgsql_SUITE_data/server-key.pem

@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEowIBAAKCAQEAnBJxJuYaj9RGxCcnDs/FGjVqdvUHaRVM01oZChoVV5PtJrJj
-U8ODQQBQeNpqGOODlPMLw4nXjpSTYT0Vr3g/MxtpccyQPdadFCuHrfImvTJnrgho
-XQvY8SfF+vVjZVIj8stISP2bKkavWdAtnltIiyT17MuF/F6cN0hcKF3+aUfURWOT
-29rbssapknrLbtlV0/zUIyYOAlQ0d5hXBz12QeHpUcx9FrIRMRBpIMtG4NtDCXkX
-NkHW+V8fhGpG5sK6A1mgp9zUhqkO47+lcNHaMkxr0uoekRwcZ8qkX0YChpQqDjBv
-f+fqxSQtNEKQlBtrx1x1hqFpTJSd36De64+b/QIDAQABAoIBAFiah66Dt9SruLkn
-WR8piUaFyLlcBib8Nq9OWSTJBhDAJERxxb4KIvvGB+l0ZgNXNp5bFPSfzsZdRwZP
-PX5uj8Kd71Dxx3mz211WESMJdEC42u+MSmN4lGLkJ5t/sDwXU91E1vbJM0ve8THV
-4/Ag9qA4DX2vVZOeyqT/6YHpSsPNZplqzrbAiwrfHwkctHfgqwOf3QLfhmVQgfCS
-VwidBldEUv2whSIiIxh4Rv5St4kA68IBCbJxdpOpyuQBkk6CkxZ7VN9FqOuSd4Pk
-Wm7iWyBMZsCmELZh5XAXld4BEt87C5R4CvbPBDZxAv3THk1DNNvpy3PFQfwARRFb
-SAToYMECgYEAyL7U8yxpzHDYWd3oCx6vTi9p9N/z0FfAkWrRF6dm4UcSklNiT1Aq
-EOnTA+SaW8tV3E64gCWcY23gNP8so/ZseWj6L+peHwtchaP9+KB7yGw2A+05+lOx
-VetLTjAOmfpiUXFe5w1q4C1RGhLjZjjzW+GvwdAuchQgUEFaomrV+PUCgYEAxwfH
-cmVGFbAktcjU4HSRjKSfawCrut+3YUOLybyku3Q/hP9amG8qkVTFe95CTLjLe2D0
-ccaTTpofFEJ32COeck0g0Ujn/qQ+KXRoauOYs4FB1DtqMpqB78wufWEUpDpbd9/h
-J+gJdC/IADd4tJW9zA92g8IA7ZtFmqDtiSpQ0ekCgYAQGkaorvJZpN+l7cf0RGTZ
-h7IfI2vCVZer0n6tQA9fmLzjoe6r4AlPzAHSOR8sp9XeUy43kUzHKQQoHCPvjw/K
-eWJAP7OHF/k2+x2fOPhU7mEy1W+mJdp+wt4Kio5RSaVjVQ3AyPG+w8PSrJszEvRq
-dWMMz+851WV2KpfjmWBKlQKBgQC++4j4DZQV5aMkSKV1CIZOBf3vaIJhXKEUFQPD
-PmB4fBEjpwCg+zNGp6iktt65zi17o8qMjrb1mtCt2SY04eD932LZUHNFlwcLMmes
-Ad+aiDLJ24WJL1f16eDGcOyktlblDZB5gZ/ovJzXEGOkLXglosTfo77OQculmDy2
-/UL2WQKBgGeKasmGNfiYAcWio+KXgFkHXWtAXB9B91B1OFnCa40wx+qnl71MIWQH
-PQ/CZFNWOfGiNEJIZjrHsfNJoeXkhq48oKcT0AVCDYyLV0VxDO4ejT95mGW6njNd
-JpvmhwwAjOvuWVr0tn4iXlSK8irjlJHmwcRjLTJq97vE9fsA2MjI
------END RSA PRIVATE KEY-----

apps/emqx_lwm2m/README.md

@@ -83,6 +83,7 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
         - "register": LwM2M Register
         - "update": LwM2M Update
       - "data" contains the query options and the object-list of the register message
+      - The *update* message is only published if the object-list changed.
 
 ### Downlink Command and Uplink Response (LwM2M Device Management & Service Enablement Interface)
 
@@ -113,6 +114,7 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
             "path": {?ResourcePath}
         }
         ```
+        - {?ResourcePath}: String, LwM2M full resource path. e.g. "3/0", "/3/0/0", "/3/0/6/0"
       - **If {?MsgType} = "write" (single write)**:
         ```json
         {
@@ -121,6 +123,8 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
             "value": {?Value}
         }
         ```
+        - {?ValueType}: String, can be: "Time", "String", "Integer", "Float", "Boolean", "Opaque", "Objlnk"
+        - {?Value}: Value of the resource, depends on "type".
       - **If {?MsgType} = "write" (batch write)**:
         ```json
         {
@@ -183,21 +187,6 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
         }
         ```
         - {?ObjectInstanceID}: Integer, LwM2M Object Instance ID
-        - {?ResourcePath}: String, LwM2M full resource path. e.g. "3/0", "/3/0/0", "/3/0/6/0"
-        - {?Content}:
-          ```json
-          [
-              {
-                  "name": {?ResourceName},
-                  "path": {?ResourcePath},
-                  "type": {?ValueType},
-                  "value": {?Value}
-              }
-          ]
-          ```
-          - {?ResourceName}: String, LwM2M resource description, e.g. "Available Power Sources"
-          - {?ValueType}: String, can be: "Time", "String", "Integer", "Float", "Boolean", "Opaque", "Objlnk"
-          - {?Value}: Value of resource, depends on the {?ValueType}.
 
 - **The response of LwM2M will be converted to following MQTT message:**
   - **Method:** PUBLISH
@@ -262,17 +251,11 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
         ```json
         [
             {
-                "name": {?ResourceName},
                 "path": {?ResourcePath},
-                "type": {?ValueType},
                 "value": {?Value}
             }
         ]
         ```
-        - {?ResourceName}: String, LwM2M resource description, e.g. "Available Power Sources"
-        - {?ResourcePath}: String, LwM2M resource full path. e.g. "3/0", "/3/0/0", "/3/0/6/0"
-        - {?ValueType}: String, can be: "Time", "String", "Integer", "Float", "Boolean", "Opaque", "Objlnk"
-        - {?Value}: Value of the resource, depends on "type".
 
     - **If {?MsgType} = "ack", "data" does not exists**
 
@@ -308,11 +291,10 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
         "data": {
             "code": {?StatusCode},
             "codeMsg": {?CodeMsg},
+            "reqPath": {?RequestPath},
             "content": [
                 {
-                    "name": {?ResourceName},
                     "path": {?ResourcePath},
-                    "type": {?ValueType},
                     "value": {?Value}
                 }
             ]
@@ -338,11 +320,12 @@ The MQTT message will be translated to an LwM2M DISCOVER command and sent to the
         "data": {
             "code": {?StatusCode},
             "codeMsg": {?CodeMsg},
+            "reqPath": {?RequestPath},
             "content": [
-                "name": {?ResourceName},
+                {
-                "path": {?ResourcePath},
+                    "path": {?ResourcePath},
-                "type": {?ValueType},
+                    "value": {?Value}
-                "value": {?Value}
+                }
             ]
         }
     }

apps/emqx_management/src/emqx_mgmt.erl

@@ -571,7 +571,7 @@ get_alarms(Type) ->
     [{Node, get_alarms(Node, Type)} || Node <- ekka_mnesia:running_nodes()].
 
 get_alarms(Node, Type) when Node =:= node() ->
-    emqx_alarm:get_alarms(Type);
+    add_duration_field(emqx_alarm:get_alarms(Type));
 get_alarms(Node, Type) ->
     rpc_call(Node, get_alarms, [Node, Type]).
 
@@ -588,6 +588,17 @@ delete_all_deactivated_alarms(Node) when Node =:= node() ->
 delete_all_deactivated_alarms(Node) -> 
     rpc_call(Node, delete_deactivated_alarms, [Node]).
 
+add_duration_field(Alarms) ->
+    Now = erlang:system_time(microsecond),
+    add_duration_field(Alarms, Now, []).
+
+add_duration_field([], _Now, Acc) ->
+    Acc;
+add_duration_field([Alarm = #{activated := true, activate_at := ActivateAt}| Rest], Now, Acc) ->
+    add_duration_field(Rest, Now, [Alarm#{duration => Now - ActivateAt} | Acc]);
+add_duration_field([Alarm = #{activated := false, activate_at := ActivateAt, deactivate_at := DeactivateAt}| Rest], Now, Acc) ->
+    add_duration_field(Rest, Now, [Alarm#{duration => DeactivateAt - ActivateAt} | Acc]).
+
 %%--------------------------------------------------------------------
 %% Banned API
 %%--------------------------------------------------------------------

apps/emqx_prometheus/README.md

@@ -48,6 +48,229 @@ json data
 ```
 
 
+## Before EMQ X v4.0.0
+The prometheus data simple is:
+
+
+```bash
+# TYPE erlang_vm_ets_limit gauge
+erlang_vm_ets_limit 2097152
+# TYPE erlang_vm_logical_processors gauge
+erlang_vm_logical_processors 2
+# TYPE erlang_vm_logical_processors_available gauge
+erlang_vm_logical_processors_available 2
+# TYPE erlang_vm_logical_processors_online gauge
+erlang_vm_logical_processors_online 2
+# TYPE erlang_vm_port_count gauge
+erlang_vm_port_count 19
+# TYPE erlang_vm_port_limit gauge
+erlang_vm_port_limit 1048576
+# TYPE erlang_vm_process_count gauge
+erlang_vm_process_count 460
+# TYPE erlang_vm_process_limit gauge
+erlang_vm_process_limit 2097152
+# TYPE erlang_vm_schedulers gauge
+erlang_vm_schedulers 2
+# TYPE erlang_vm_schedulers_online gauge
+erlang_vm_schedulers_online 2
+# TYPE erlang_vm_smp_support untyped
+erlang_vm_smp_support 1
+# TYPE erlang_vm_threads untyped
+erlang_vm_threads 1
+# TYPE erlang_vm_thread_pool_size gauge
+erlang_vm_thread_pool_size 32
+# TYPE erlang_vm_time_correction untyped
+erlang_vm_time_correction 1
+# TYPE erlang_vm_statistics_context_switches counter
+erlang_vm_statistics_context_switches 39850
+# TYPE erlang_vm_statistics_garbage_collection_number_of_gcs counter
+erlang_vm_statistics_garbage_collection_number_of_gcs 17116
+# TYPE erlang_vm_statistics_garbage_collection_words_reclaimed counter
+erlang_vm_statistics_garbage_collection_words_reclaimed 55711819
+# TYPE erlang_vm_statistics_garbage_collection_bytes_reclaimed counter
+erlang_vm_statistics_garbage_collection_bytes_reclaimed 445694552
+# TYPE erlang_vm_statistics_bytes_received_total counter
+erlang_vm_statistics_bytes_received_total 400746
+# TYPE erlang_vm_statistics_bytes_output_total counter
+erlang_vm_statistics_bytes_output_total 337197
+# TYPE erlang_vm_statistics_reductions_total counter
+erlang_vm_statistics_reductions_total 21157980
+# TYPE erlang_vm_statistics_run_queues_length_total gauge
+erlang_vm_statistics_run_queues_length_total 0
+# TYPE erlang_vm_statistics_runtime_milliseconds counter
+erlang_vm_statistics_runtime_milliseconds 6559
+# TYPE erlang_vm_statistics_wallclock_time_milliseconds counter
+erlang_vm_statistics_wallclock_time_milliseconds 261243
+# TYPE erlang_vm_memory_atom_bytes_total gauge
+erlang_vm_memory_atom_bytes_total{usage="used"} 1814822
+erlang_vm_memory_atom_bytes_total{usage="free"} 22459
+# TYPE erlang_vm_memory_bytes_total gauge
+erlang_vm_memory_bytes_total{kind="system"} 109820104
+erlang_vm_memory_bytes_total{kind="processes"} 44983656
+# TYPE erlang_vm_dets_tables gauge
+erlang_vm_dets_tables 1
+# TYPE erlang_vm_ets_tables gauge
+erlang_vm_ets_tables 139
+# TYPE erlang_vm_memory_processes_bytes_total gauge
+erlang_vm_memory_processes_bytes_total{usage="used"} 44983656
+erlang_vm_memory_processes_bytes_total{usage="free"} 0
+# TYPE erlang_vm_memory_system_bytes_total gauge
+erlang_vm_memory_system_bytes_total{usage="atom"} 1837281
+erlang_vm_memory_system_bytes_total{usage="binary"} 595872
+erlang_vm_memory_system_bytes_total{usage="code"} 40790577
+erlang_vm_memory_system_bytes_total{usage="ets"} 37426896
+erlang_vm_memory_system_bytes_total{usage="other"} 29169478
+# TYPE erlang_mnesia_held_locks gauge
+erlang_mnesia_held_locks 0
+# TYPE erlang_mnesia_lock_queue gauge
+erlang_mnesia_lock_queue 0
+# TYPE erlang_mnesia_transaction_participants gauge
+erlang_mnesia_transaction_participants 0
+# TYPE erlang_mnesia_transaction_coordinators gauge
+erlang_mnesia_transaction_coordinators 0
+# TYPE erlang_mnesia_failed_transactions counter
+erlang_mnesia_failed_transactions 2
+# TYPE erlang_mnesia_committed_transactions counter
+erlang_mnesia_committed_transactions 239
+# TYPE erlang_mnesia_logged_transactions counter
+erlang_mnesia_logged_transactions 60
+# TYPE erlang_mnesia_restarted_transactions counter
+erlang_mnesia_restarted_transactions 0
+# TYPE emqx_packets_auth_received counter
+emqx_packets_auth_received 0
+# TYPE emqx_packets_auth_sent counter
+emqx_packets_auth_sent 0
+# TYPE emqx_packets_received counter
+emqx_packets_received 0
+# TYPE emqx_packets_sent counter
+emqx_packets_sent 0
+# TYPE emqx_packets_connect counter
+emqx_packets_connect 0
+# TYPE emqx_packets_connack_sent counter
+emqx_packets_connack_sent 0
+# TYPE emqx_packets_connack_error counter
+emqx_packets_connack_error 0
+# TYPE emqx_packets_connack_auth_error counter
+emqx_packets_connack_auth_error 0
+# TYPE emqx_packets_disconnect_received counter
+emqx_packets_disconnect_received 0
+# TYPE emqx_packets_disconnect_sent counter
+emqx_packets_disconnect_sent 0
+# TYPE emqx_packets_subscribe counter
+emqx_packets_subscribe 0
+# TYPE emqx_packets_subscribe_error counter
+emqx_packets_subscribe_error 0
+# TYPE emqx_packets_subscribe_auth_error counter
+emqx_packets_subscribe_auth_error 0
+# TYPE emqx_packets_suback counter
+emqx_packets_suback 0
+# TYPE emqx_packets_unsubscribe counter
+emqx_packets_unsubscribe 0
+# TYPE emqx_packets_unsubscribe_error counter
+emqx_packets_unsubscribe_error 0
+# TYPE emqx_packets_unsuback counter
+emqx_packets_unsuback 0
+# TYPE emqx_packets_publish_received counter
+emqx_packets_publish_received 0
+# TYPE emqx_packets_publish_sent counter
+emqx_packets_publish_sent 0
+# TYPE emqx_packets_publish_auth_error counter
+emqx_packets_publish_auth_error 0
+# TYPE emqx_packets_publish_error counter
+emqx_packets_publish_error 0
+# TYPE emqx_packets_puback_received counter
+emqx_packets_puback_received 0
+# TYPE emqx_packets_puback_sent counter
+emqx_packets_puback_sent 0
+# TYPE emqx_packets_puback_missed counter
+emqx_packets_puback_missed 0
+# TYPE emqx_packets_pubrec_received counter
+emqx_packets_pubrec_received 0
+# TYPE emqx_packets_pubrec_sent counter
+emqx_packets_pubrec_sent 0
+# TYPE emqx_packets_pubrec_missed counter
+emqx_packets_pubrec_missed 0
+# TYPE emqx_packets_pubrel_received counter
+emqx_packets_pubrel_received 0
+# TYPE emqx_packets_pubrel_sent counter
+emqx_packets_pubrel_sent 0
+# TYPE emqx_packets_pubrel_missed counter
+emqx_packets_pubrel_missed 0
+# TYPE emqx_packets_pubcomp_received counter
+emqx_packets_pubcomp_received 0
+# TYPE emqx_packets_pubcomp_sent counter
+emqx_packets_pubcomp_sent 0
+# TYPE emqx_packets_pubcomp_missed counter
+emqx_packets_pubcomp_missed 0
+# TYPE emqx_packets_pingreq counter
+emqx_packets_pingreq 0
+# TYPE emqx_packets_pingresp counter
+emqx_packets_pingresp 0
+# TYPE emqx_bytes_received counter
+emqx_bytes_received 0
+# TYPE emqx_bytes_sent counter
+emqx_bytes_sent 0
+# TYPE emqx_connections_count gauge
+emqx_connections_count 0
+# TYPE emqx_connections_max gauge
+emqx_connections_max 0
+# TYPE emqx_retained_count gauge
+emqx_retained_count 3
+# TYPE emqx_retained_max gauge
+emqx_retained_max 3
+# TYPE emqx_routes_count gauge
+emqx_routes_count 0
+# TYPE emqx_routes_max gauge
+emqx_routes_max 0
+# TYPE emqx_sessions_count gauge
+emqx_sessions_count 0
+# TYPE emqx_sessions_max gauge
+emqx_sessions_max 0
+# TYPE emqx_subscriptions_count gauge
+emqx_subscriptions_count 0
+# TYPE emqx_subscriptions_max gauge
+emqx_subscriptions_max 0
+# TYPE emqx_topics_count gauge
+emqx_topics_count 0
+# TYPE emqx_topics_max gauge
+emqx_topics_max 0
+# TYPE emqx_vm_cpu_use gauge
+emqx_vm_cpu_use 100.0
+# TYPE emqx_vm_cpu_idle gauge
+emqx_vm_cpu_idle 0.0
+# TYPE emqx_vm_run_queue gauge
+emqx_vm_run_queue 1
+# TYPE emqx_vm_process_messages_in_queues gauge
+emqx_vm_process_messages_in_queues 0
+# TYPE emqx_messages_received counter
+emqx_messages_received 0
+# TYPE emqx_messages_sent counter
+emqx_messages_sent 0
+# TYPE emqx_messages_dropped counter
+emqx_messages_dropped 0
+# TYPE emqx_messages_retained counter
+emqx_messages_retained 3
+# TYPE emqx_messages_qos0_received counter
+emqx_messages_qos0_received 0
+# TYPE emqx_messages_qos0_sent counter
+emqx_messages_qos0_sent 0
+# TYPE emqx_messages_qos1_received counter
+emqx_messages_qos1_received 0
+# TYPE emqx_messages_qos1_sent counter
+emqx_messages_qos1_sent 0
+# TYPE emqx_messages_qos2_received counter
+emqx_messages_qos2_received 0
+# TYPE emqx_messages_qos2_expired counter
+emqx_messages_qos2_expired 0
+# TYPE emqx_messages_qos2_sent counter
+emqx_messages_qos2_sent 0
+# TYPE emqx_messages_qos2_dropped counter
+emqx_messages_qos2_dropped 0
+# TYPE emqx_messages_forward counter
+emqx_messages_forward 0
+```
+
+
 License
 -------