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emqx_bridge_influxdb_SUITE.erl
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emqx_bridge_influxdb_SUITE.erl
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%%--------------------------------------------------------------------
%% Copyright (c) 2022-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
-module(emqx_bridge_influxdb_SUITE).
-compile(nowarn_export_all).
-compile(export_all).
-include_lib("eunit/include/eunit.hrl").
-include_lib("common_test/include/ct.hrl").
-include_lib("snabbkaffe/include/snabbkaffe.hrl").
%%------------------------------------------------------------------------------
%% CT boilerplate
%%------------------------------------------------------------------------------
all() ->
[
{group, with_batch},
{group, without_batch}
].
groups() ->
TCs = emqx_common_test_helpers:all(?MODULE),
[
{with_batch, [
{group, sync_query},
{group, async_query}
]},
{without_batch, [
{group, sync_query},
{group, async_query}
]},
{sync_query, [
{group, apiv1_tcp},
{group, apiv1_tls},
{group, apiv2_tcp},
{group, apiv2_tls}
]},
{async_query, [
{group, apiv1_tcp},
{group, apiv1_tls},
{group, apiv2_tcp},
{group, apiv2_tls}
]},
{apiv1_tcp, TCs},
{apiv1_tls, TCs},
{apiv2_tcp, TCs},
{apiv2_tls, TCs}
].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
delete_all_bridges(),
emqx_mgmt_api_test_util:end_suite(),
ok = emqx_connector_test_helpers:stop_apps([
emqx_conf, emqx_bridge, emqx_resource, emqx_rule_engine
]),
_ = application:stop(emqx_connector),
ok.
init_per_group(InfluxDBType, Config0) when
InfluxDBType =:= apiv1_tcp;
InfluxDBType =:= apiv1_tls
->
#{
host := InfluxDBHost,
port := InfluxDBPort,
use_tls := UseTLS,
proxy_name := ProxyName
} =
case InfluxDBType of
apiv1_tcp ->
#{
host => os:getenv("INFLUXDB_APIV1_TCP_HOST", "toxiproxy"),
port => list_to_integer(os:getenv("INFLUXDB_APIV1_TCP_PORT", "8086")),
use_tls => false,
proxy_name => "influxdb_tcp"
};
apiv1_tls ->
#{
host => os:getenv("INFLUXDB_APIV1_TLS_HOST", "toxiproxy"),
port => list_to_integer(os:getenv("INFLUXDB_APIV1_TLS_PORT", "8087")),
use_tls => true,
proxy_name => "influxdb_tls"
}
end,
case emqx_common_test_helpers:is_tcp_server_available(InfluxDBHost, InfluxDBPort) of
true ->
ProxyHost = os:getenv("PROXY_HOST", "toxiproxy"),
ProxyPort = list_to_integer(os:getenv("PROXY_PORT", "8474")),
emqx_common_test_helpers:reset_proxy(ProxyHost, ProxyPort),
ok = start_apps(),
{ok, _} = application:ensure_all_started(emqx_connector),
emqx_mgmt_api_test_util:init_suite(),
Config = [{use_tls, UseTLS} | Config0],
{Name, ConfigString, InfluxDBConfig} = influxdb_config(
apiv1, InfluxDBHost, InfluxDBPort, Config
),
EHttpcPoolNameBin = <<(atom_to_binary(?MODULE))/binary, "_apiv1">>,
EHttpcPoolName = binary_to_atom(EHttpcPoolNameBin),
{EHttpcTransport, EHttpcTransportOpts} =
case UseTLS of
true -> {tls, [{verify, verify_none}]};
false -> {tcp, []}
end,
EHttpcPoolOpts = [
{host, InfluxDBHost},
{port, InfluxDBPort},
{pool_size, 1},
{transport, EHttpcTransport},
{transport_opts, EHttpcTransportOpts}
],
{ok, _} = ehttpc_sup:start_pool(EHttpcPoolName, EHttpcPoolOpts),
[
{proxy_host, ProxyHost},
{proxy_port, ProxyPort},
{proxy_name, ProxyName},
{influxdb_host, InfluxDBHost},
{influxdb_port, InfluxDBPort},
{influxdb_type, apiv1},
{influxdb_config, InfluxDBConfig},
{influxdb_config_string, ConfigString},
{ehttpc_pool_name, EHttpcPoolName},
{bridge_type, influxdb_api_v1},
{bridge_name, Name},
{bridge_config, InfluxDBConfig},
{influxdb_name, Name}
| Config
];
false ->
{skip, no_influxdb}
end;
init_per_group(InfluxDBType, Config0) when
InfluxDBType =:= apiv2_tcp;
InfluxDBType =:= apiv2_tls
->
#{
host := InfluxDBHost,
port := InfluxDBPort,
use_tls := UseTLS,
proxy_name := ProxyName
} =
case InfluxDBType of
apiv2_tcp ->
#{
host => os:getenv("INFLUXDB_APIV2_TCP_HOST", "toxiproxy"),
port => list_to_integer(os:getenv("INFLUXDB_APIV2_TCP_PORT", "8086")),
use_tls => false,
proxy_name => "influxdb_tcp"
};
apiv2_tls ->
#{
host => os:getenv("INFLUXDB_APIV2_TLS_HOST", "toxiproxy"),
port => list_to_integer(os:getenv("INFLUXDB_APIV2_TLS_PORT", "8087")),
use_tls => true,
proxy_name => "influxdb_tls"
}
end,
case emqx_common_test_helpers:is_tcp_server_available(InfluxDBHost, InfluxDBPort) of
true ->
ProxyHost = os:getenv("PROXY_HOST", "toxiproxy"),
ProxyPort = list_to_integer(os:getenv("PROXY_PORT", "8474")),
emqx_common_test_helpers:reset_proxy(ProxyHost, ProxyPort),
ok = start_apps(),
{ok, _} = application:ensure_all_started(emqx_connector),
emqx_mgmt_api_test_util:init_suite(),
Config = [{use_tls, UseTLS} | Config0],
{Name, ConfigString, InfluxDBConfig} = influxdb_config(
apiv2, InfluxDBHost, InfluxDBPort, Config
),
EHttpcPoolNameBin = <<(atom_to_binary(?MODULE))/binary, "_apiv2">>,
EHttpcPoolName = binary_to_atom(EHttpcPoolNameBin),
{EHttpcTransport, EHttpcTransportOpts} =
case UseTLS of
true -> {tls, [{verify, verify_none}]};
false -> {tcp, []}
end,
EHttpcPoolOpts = [
{host, InfluxDBHost},
{port, InfluxDBPort},
{pool_size, 1},
{transport, EHttpcTransport},
{transport_opts, EHttpcTransportOpts}
],
{ok, _} = ehttpc_sup:start_pool(EHttpcPoolName, EHttpcPoolOpts),
[
{proxy_host, ProxyHost},
{proxy_port, ProxyPort},
{proxy_name, ProxyName},
{influxdb_host, InfluxDBHost},
{influxdb_port, InfluxDBPort},
{influxdb_type, apiv2},
{influxdb_config, InfluxDBConfig},
{influxdb_config_string, ConfigString},
{ehttpc_pool_name, EHttpcPoolName},
{bridge_type, influxdb_api_v2},
{bridge_name, Name},
{bridge_config, InfluxDBConfig},
{influxdb_name, Name}
| Config
];
false ->
{skip, no_influxdb}
end;
init_per_group(sync_query, Config) ->
[{query_mode, sync} | Config];
init_per_group(async_query, Config) ->
[{query_mode, async} | Config];
init_per_group(with_batch, Config) ->
[{batch_size, 100} | Config];
init_per_group(without_batch, Config) ->
[{batch_size, 1} | Config];
init_per_group(_Group, Config) ->
Config.
end_per_group(Group, Config) when
Group =:= apiv1_tcp;
Group =:= apiv1_tls;
Group =:= apiv2_tcp;
Group =:= apiv2_tls
->
ProxyHost = ?config(proxy_host, Config),
ProxyPort = ?config(proxy_port, Config),
EHttpcPoolName = ?config(ehttpc_pool_name, Config),
emqx_common_test_helpers:reset_proxy(ProxyHost, ProxyPort),
ehttpc_sup:stop_pool(EHttpcPoolName),
delete_bridge(Config),
ok;
end_per_group(_Group, _Config) ->
ok.
init_per_testcase(_Testcase, Config) ->
delete_all_rules(),
delete_all_bridges(),
Config.
end_per_testcase(_Testcase, Config) ->
ProxyHost = ?config(proxy_host, Config),
ProxyPort = ?config(proxy_port, Config),
ok = snabbkaffe:stop(),
emqx_common_test_helpers:reset_proxy(ProxyHost, ProxyPort),
delete_all_rules(),
delete_all_bridges(),
ok.
%%------------------------------------------------------------------------------
%% Helper fns
%%------------------------------------------------------------------------------
start_apps() ->
%% some configs in emqx_conf app are mandatory
%% we want to make sure they are loaded before
%% ekka start in emqx_common_test_helpers:start_apps/1
emqx_common_test_helpers:render_and_load_app_config(emqx_conf),
ok = emqx_common_test_helpers:start_apps([emqx_conf]),
ok = emqx_connector_test_helpers:start_apps([emqx_resource, emqx_bridge, emqx_rule_engine]).
example_write_syntax() ->
%% N.B.: this single space character is relevant
<<"${topic},clientid=${clientid}", " ", "payload=${payload},",
"${clientid}_int_value=${payload.int_key}i,",
"uint_value=${payload.uint_key}u,"
"float_value=${payload.float_key},", "undef_value=${payload.undef},",
"${undef_key}=\"hard-coded-value\",", "bool=${payload.bool}">>.
influxdb_config(apiv1 = Type, InfluxDBHost, InfluxDBPort, Config) ->
BatchSize = proplists:get_value(batch_size, Config, 100),
QueryMode = proplists:get_value(query_mode, Config, sync),
UseTLS = proplists:get_value(use_tls, Config, false),
Name = atom_to_binary(?MODULE),
WriteSyntax = example_write_syntax(),
ConfigString =
io_lib:format(
"bridges.influxdb_api_v1.~s {\n"
" enable = true\n"
" server = \"~p:~b\"\n"
" database = mqtt\n"
" username = root\n"
" password = emqx@123\n"
" precision = ns\n"
" write_syntax = \"~s\"\n"
" resource_opts = {\n"
" request_ttl = 1s\n"
" query_mode = ~s\n"
" batch_size = ~b\n"
" }\n"
" ssl {\n"
" enable = ~p\n"
" verify = verify_none\n"
" }\n"
"}\n",
[
Name,
InfluxDBHost,
InfluxDBPort,
WriteSyntax,
QueryMode,
BatchSize,
UseTLS
]
),
{Name, ConfigString, parse_and_check(ConfigString, Type, Name)};
influxdb_config(apiv2 = Type, InfluxDBHost, InfluxDBPort, Config) ->
BatchSize = proplists:get_value(batch_size, Config, 100),
QueryMode = proplists:get_value(query_mode, Config, sync),
UseTLS = proplists:get_value(use_tls, Config, false),
Name = atom_to_binary(?MODULE),
WriteSyntax = example_write_syntax(),
ConfigString =
io_lib:format(
"bridges.influxdb_api_v2.~s {\n"
" enable = true\n"
" server = \"~p:~b\"\n"
" bucket = mqtt\n"
" org = emqx\n"
" token = abcdefg\n"
" precision = ns\n"
" write_syntax = \"~s\"\n"
" resource_opts = {\n"
" request_ttl = 1s\n"
" query_mode = ~s\n"
" batch_size = ~b\n"
" }\n"
" ssl {\n"
" enable = ~p\n"
" verify = verify_none\n"
" }\n"
"}\n",
[
Name,
InfluxDBHost,
InfluxDBPort,
WriteSyntax,
QueryMode,
BatchSize,
UseTLS
]
),
{Name, ConfigString, parse_and_check(ConfigString, Type, Name)}.
parse_and_check(ConfigString, Type, Name) ->
{ok, RawConf} = hocon:binary(ConfigString, #{format => map}),
TypeBin = influxdb_type_bin(Type),
hocon_tconf:check_plain(emqx_bridge_schema, RawConf, #{required => false, atom_key => false}),
#{<<"bridges">> := #{TypeBin := #{Name := Config}}} = RawConf,
Config.
influxdb_type_bin(apiv1) ->
<<"influxdb_api_v1">>;
influxdb_type_bin(apiv2) ->
<<"influxdb_api_v2">>.
create_bridge(Config) ->
create_bridge(Config, _Overrides = #{}).
create_bridge(Config, Overrides) ->
Type = influxdb_type_bin(?config(influxdb_type, Config)),
Name = ?config(influxdb_name, Config),
InfluxDBConfig0 = ?config(influxdb_config, Config),
InfluxDBConfig = emqx_utils_maps:deep_merge(InfluxDBConfig0, Overrides),
emqx_bridge:create(Type, Name, InfluxDBConfig).
delete_bridge(Config) ->
Type = influxdb_type_bin(?config(influxdb_type, Config)),
Name = ?config(influxdb_name, Config),
emqx_bridge:remove(Type, Name).
delete_all_bridges() ->
lists:foreach(
fun(#{name := Name, type := Type}) ->
emqx_bridge:remove(Type, Name)
end,
emqx_bridge:list()
).
delete_all_rules() ->
lists:foreach(
fun(#{id := RuleId}) ->
ok = emqx_rule_engine:delete_rule(RuleId)
end,
emqx_rule_engine:get_rules()
).
create_rule_and_action_http(Config) ->
create_rule_and_action_http(Config, _Overrides = #{}).
create_rule_and_action_http(Config, Overrides) ->
InfluxDBName = ?config(influxdb_name, Config),
Type = influxdb_type_bin(?config(influxdb_type, Config)),
BridgeId = emqx_bridge_resource:bridge_id(Type, InfluxDBName),
Params0 = #{
enable => true,
sql => <<"SELECT * FROM \"t/topic\"">>,
actions => [BridgeId]
},
Params = emqx_utils_maps:deep_merge(Params0, Overrides),
Path = emqx_mgmt_api_test_util:api_path(["rules"]),
AuthHeader = emqx_mgmt_api_test_util:auth_header_(),
case emqx_mgmt_api_test_util:request_api(post, Path, "", AuthHeader, Params) of
{ok, Res} -> {ok, emqx_utils_json:decode(Res, [return_maps])};
Error -> Error
end.
send_message(Config, Payload) ->
Name = ?config(influxdb_name, Config),
Type = influxdb_type_bin(?config(influxdb_type, Config)),
BridgeId = emqx_bridge_resource:bridge_id(Type, Name),
emqx_bridge:send_message(BridgeId, Payload).
query_by_clientid(ClientId, Config) ->
InfluxDBHost = ?config(influxdb_host, Config),
InfluxDBPort = ?config(influxdb_port, Config),
EHttpcPoolName = ?config(ehttpc_pool_name, Config),
UseTLS = ?config(use_tls, Config),
Path = <<"/api/v2/query?org=emqx">>,
Scheme =
case UseTLS of
true -> <<"https://">>;
false -> <<"http://">>
end,
URI = iolist_to_binary([
Scheme,
list_to_binary(InfluxDBHost),
":",
integer_to_binary(InfluxDBPort),
Path
]),
Query =
<<
"from(bucket: \"mqtt\")\n"
" |> range(start: -12h)\n"
" |> filter(fn: (r) => r.clientid == \"",
ClientId/binary,
"\")"
>>,
Headers = [
{"Authorization", "Token abcdefg"},
{"Content-Type", "application/json"}
],
Body =
emqx_utils_json:encode(#{
query => Query,
dialect => #{
header => true,
annotations => [<<"datatype">>],
delimiter => <<";">>
}
}),
{ok, 200, _Headers, RawBody0} =
ehttpc:request(
EHttpcPoolName,
post,
{URI, Headers, Body},
_Timeout = 10_000,
_Retry = 0
),
%ct:pal("raw body: ~p", [RawBody0]),
RawBody1 = iolist_to_binary(string:replace(RawBody0, <<"\r\n">>, <<"\n">>, all)),
{ok, DecodedCSV0} = erl_csv:decode(RawBody1, #{separator => <<$;>>}),
DecodedCSV1 = [
[Field || Field <- Line, Field =/= <<>>]
|| Line <- DecodedCSV0, Line =/= [<<>>]
],
DecodedCSV2 = csv_lines_to_maps(DecodedCSV1),
index_by_field(DecodedCSV2).
csv_lines_to_maps([[<<"#datatype">> | DataType], Title | Rest]) ->
csv_lines_to_maps(Rest, Title, _Acc = [], DataType);
csv_lines_to_maps([]) ->
[].
csv_lines_to_maps([[<<"_result">> | _] = Data | RestData], Title, Acc, DataType) ->
%ct:pal("data: ~p, title: ~p, datatype: ~p", [Data, Title, DataType]),
Map = maps:from_list(lists:zip(Title, Data)),
MapT = lists:zip(Title, DataType),
[Type] = [T || {<<"_value">>, T} <- MapT],
csv_lines_to_maps(RestData, Title, [Map#{'_value_type' => Type} | Acc], DataType);
%% ignore the csv title line
%% it's always like this:
%% [<<"result">>,<<"table">>,<<"_start">>,<<"_stop">>,
%% <<"_time">>,<<"_value">>,<<"_field">>,<<"_measurement">>, Measurement],
csv_lines_to_maps([[<<"result">> | _] = _Title | RestData], Title, Acc, DataType) ->
csv_lines_to_maps(RestData, Title, Acc, DataType);
csv_lines_to_maps([[<<"#datatype">> | DataType] | RestData], Title, Acc, _) ->
csv_lines_to_maps(RestData, Title, Acc, DataType);
csv_lines_to_maps([], _Title, Acc, _DataType) ->
lists:reverse(Acc).
index_by_field(DecodedCSV) ->
maps:from_list([{Field, Data} || Data = #{<<"_field">> := Field} <- DecodedCSV]).
assert_persisted_data(ClientId, Expected, PersistedData) ->
ClientIdIntKey = <<ClientId/binary, "_int_value">>,
maps:foreach(
fun
(int_value, ExpectedValue) ->
?assertMatch(
#{<<"_value">> := ExpectedValue},
maps:get(ClientIdIntKey, PersistedData)
);
(Key, {ExpectedValue, ExpectedType}) ->
?assertMatch(
#{<<"_value">> := ExpectedValue, '_value_type' := ExpectedType},
maps:get(atom_to_binary(Key), PersistedData),
#{
key => Key,
expected_value => ExpectedValue,
expected_data_type => ExpectedType
}
);
(Key, ExpectedValue) ->
?assertMatch(
#{<<"_value">> := ExpectedValue},
maps:get(atom_to_binary(Key), PersistedData),
#{key => Key, expected_value => ExpectedValue}
)
end,
Expected
),
ok.
resource_id(Config) ->
Type = influxdb_type_bin(?config(influxdb_type, Config)),
Name = ?config(influxdb_name, Config),
emqx_bridge_resource:resource_id(Type, Name).
%%------------------------------------------------------------------------------
%% Testcases
%%------------------------------------------------------------------------------
t_start_ok(Config) ->
QueryMode = ?config(query_mode, Config),
?assertMatch(
{ok, _},
create_bridge(Config)
),
ClientId = emqx_guid:to_hexstr(emqx_guid:gen()),
Payload = #{
int_key => -123,
bool => true,
float_key => 24.5,
uint_key => 123
},
SentData = #{
<<"clientid">> => ClientId,
<<"topic">> => atom_to_binary(?FUNCTION_NAME),
<<"payload">> => Payload,
<<"timestamp">> => erlang:system_time(millisecond)
},
?check_trace(
begin
case QueryMode of
async ->
?assertMatch(ok, send_message(Config, SentData));
sync ->
?assertMatch({ok, 204, _}, send_message(Config, SentData))
end,
ct:sleep(1500),
PersistedData = query_by_clientid(ClientId, Config),
Expected = #{
bool => <<"true">>,
int_value => <<"-123">>,
uint_value => <<"123">>,
float_value => <<"24.5">>,
payload => emqx_utils_json:encode(Payload)
},
assert_persisted_data(ClientId, Expected, PersistedData),
ok
end,
fun(Trace0) ->
Trace = ?of_kind(influxdb_connector_send_query, Trace0),
?assertMatch([#{points := [_]}], Trace),
[#{points := [Point]}] = Trace,
ct:pal("sent point: ~p", [Point]),
?assertMatch(
#{
fields := #{},
measurement := <<_/binary>>,
tags := #{},
timestamp := TS
} when is_integer(TS),
Point
),
#{fields := Fields} = Point,
?assert(lists:all(fun is_binary/1, maps:keys(Fields))),
?assertNot(maps:is_key(<<"undefined">>, Fields)),
?assertNot(maps:is_key(<<"undef_value">>, Fields)),
ok
end
),
ok.
t_start_stop(Config) ->
ok = emqx_bridge_testlib:t_start_stop(Config, influxdb_client_stopped),
ok.
t_start_already_started(Config) ->
Type = influxdb_type_bin(?config(influxdb_type, Config)),
Name = ?config(influxdb_name, Config),
InfluxDBConfigString = ?config(influxdb_config_string, Config),
?assertMatch(
{ok, _},
create_bridge(Config)
),
ResourceId = resource_id(Config),
TypeAtom = binary_to_atom(Type),
NameAtom = binary_to_atom(Name),
{ok, #{bridges := #{TypeAtom := #{NameAtom := InfluxDBConfigMap}}}} = emqx_hocon:check(
emqx_bridge_schema, InfluxDBConfigString
),
ConnConfigMap = emqx_bridge_influxdb_connector:transform_bridge_v1_config_to_connector_config(
InfluxDBConfigMap
),
?check_trace(
emqx_bridge_influxdb_connector:on_start(ResourceId, ConnConfigMap),
fun(Result, Trace) ->
?assertMatch({ok, _}, Result),
?assertMatch([_], ?of_kind(influxdb_connector_start_already_started, Trace)),
ok
end
),
ok.
t_start_ok_timestamp_write_syntax(Config) ->
InfluxDBType = ?config(influxdb_type, Config),
InfluxDBName = ?config(influxdb_name, Config),
InfluxDBConfigString0 = ?config(influxdb_config_string, Config),
InfluxDBTypeCfg =
case InfluxDBType of
apiv1 -> "influxdb_api_v1";
apiv2 -> "influxdb_api_v2"
end,
WriteSyntax =
%% N.B.: this single space characters are relevant
<<"${topic},clientid=${clientid}", " ", "payload=${payload},",
"${clientid}_int_value=${payload.int_key}i,",
"uint_value=${payload.uint_key}u,"
"bool=${payload.bool}", " ", "${timestamp}">>,
%% append this to override the config
InfluxDBConfigString1 =
io_lib:format(
"bridges.~s.~s {\n"
" write_syntax = \"~s\"\n"
"}\n",
[InfluxDBTypeCfg, InfluxDBName, WriteSyntax]
),
InfluxDBConfig1 = parse_and_check(
InfluxDBConfigString0 ++ InfluxDBConfigString1,
InfluxDBType,
InfluxDBName
),
Config1 = [{influxdb_config, InfluxDBConfig1} | Config],
?assertMatch(
{ok, _},
create_bridge(Config1)
),
ok.
t_start_ok_no_subject_tags_write_syntax(Config) ->
InfluxDBType = ?config(influxdb_type, Config),
InfluxDBName = ?config(influxdb_name, Config),
InfluxDBConfigString0 = ?config(influxdb_config_string, Config),
InfluxDBTypeCfg =
case InfluxDBType of
apiv1 -> "influxdb_api_v1";
apiv2 -> "influxdb_api_v2"
end,
WriteSyntax =
%% N.B.: this single space characters are relevant
<<"${topic}", " ", "payload=${payload},", "${clientid}_int_value=${payload.int_key}i,",
"uint_value=${payload.uint_key}u,"
"bool=${payload.bool}", " ", "${timestamp}">>,
%% append this to override the config
InfluxDBConfigString1 =
io_lib:format(
"bridges.~s.~s {\n"
" write_syntax = \"~s\"\n"
"}\n",
[InfluxDBTypeCfg, InfluxDBName, WriteSyntax]
),
InfluxDBConfig1 = parse_and_check(
InfluxDBConfigString0 ++ InfluxDBConfigString1,
InfluxDBType,
InfluxDBName
),
Config1 = [{influxdb_config, InfluxDBConfig1} | Config],
?assertMatch(
{ok, _},
create_bridge(Config1)
),
ok.
t_const_timestamp(Config) ->
QueryMode = ?config(query_mode, Config),
Const = erlang:system_time(nanosecond),
ConstBin = integer_to_binary(Const),
TsStr = iolist_to_binary(
calendar:system_time_to_rfc3339(Const, [{unit, nanosecond}, {offset, "Z"}])
),
?assertMatch(
{ok, _},
create_bridge(
Config,
#{
<<"write_syntax">> =>
<<
"mqtt,clientid=${clientid} "
"foo=${payload.foo}i,"
"foo1=${payload.foo},"
"foo2=\"${payload.foo}\","
"foo3=\"${payload.foo}somestr\","
"bar=5i,baz0=1.1,baz1=\"a\",baz2=\"ai\",baz3=\"au\",baz4=\"1u\" ",
ConstBin/binary
>>
}
)
),
ClientId = emqx_guid:to_hexstr(emqx_guid:gen()),
Payload = #{<<"foo">> => 123},
SentData = #{
<<"clientid">> => ClientId,
<<"topic">> => atom_to_binary(?FUNCTION_NAME),
<<"payload">> => Payload,
<<"timestamp">> => erlang:system_time(millisecond)
},
case QueryMode of
async ->
?assertMatch(ok, send_message(Config, SentData));
sync ->
?assertMatch({ok, 204, _}, send_message(Config, SentData))
end,
ct:sleep(1500),
PersistedData = query_by_clientid(ClientId, Config),
Expected = #{
foo => {<<"123">>, <<"long">>},
foo1 => {<<"123">>, <<"double">>},
foo2 => {<<"123">>, <<"string">>},
foo3 => {<<"123somestr">>, <<"string">>},
bar => {<<"5">>, <<"long">>},
baz0 => {<<"1.1">>, <<"double">>},
baz1 => {<<"a">>, <<"string">>},
baz2 => {<<"ai">>, <<"string">>},
baz3 => {<<"au">>, <<"string">>},
baz4 => {<<"1u">>, <<"string">>}
},
assert_persisted_data(ClientId, Expected, PersistedData),
TimeReturned0 = maps:get(<<"_time">>, maps:get(<<"foo">>, PersistedData)),
TimeReturned = pad_zero(TimeReturned0),
?assertEqual(TsStr, TimeReturned).
%% influxdb returns timestamps without trailing zeros such as
%% "2023-02-28T17:21:51.63678163Z"
%% while the standard should be
%% "2023-02-28T17:21:51.636781630Z"
pad_zero(BinTs) ->
StrTs = binary_to_list(BinTs),
[Nano | Rest] = lists:reverse(string:tokens(StrTs, ".")),
[$Z | NanoNum] = lists:reverse(Nano),
Padding = lists:duplicate(10 - length(Nano), $0),
NewNano = lists:reverse(NanoNum) ++ Padding ++ "Z",
iolist_to_binary(string:join(lists:reverse([NewNano | Rest]), ".")).
t_boolean_variants(Config) ->
QueryMode = ?config(query_mode, Config),
?assertMatch(
{ok, _},
create_bridge(Config)
),
BoolVariants = #{
true => true,
false => false,
<<"t">> => true,
<<"f">> => false,
<<"T">> => true,
<<"F">> => false,
<<"TRUE">> => true,
<<"FALSE">> => false,
<<"True">> => true,
<<"False">> => false
},
maps:foreach(
fun(BoolVariant, Translation) ->
ClientId = emqx_guid:to_hexstr(emqx_guid:gen()),
Payload = #{
int_key => -123,
bool => BoolVariant,
uint_key => 123
},
SentData = #{
<<"clientid">> => ClientId,
<<"topic">> => atom_to_binary(?FUNCTION_NAME),
<<"timestamp">> => erlang:system_time(millisecond),
<<"payload">> => Payload
},
case QueryMode of
sync ->
?assertMatch({ok, 204, _}, send_message(Config, SentData));
async ->
?assertMatch(ok, send_message(Config, SentData))
end,
ct:sleep(1500),
PersistedData = query_by_clientid(ClientId, Config),
Expected = #{
bool => atom_to_binary(Translation),
int_value => <<"-123">>,
uint_value => <<"123">>,
payload => emqx_utils_json:encode(Payload)
},
assert_persisted_data(ClientId, Expected, PersistedData),
ok
end,
BoolVariants
),
ok.
t_any_num_as_float(Config) ->
QueryMode = ?config(query_mode, Config),
Const = erlang:system_time(nanosecond),
ConstBin = integer_to_binary(Const),
TsStr = iolist_to_binary(
calendar:system_time_to_rfc3339(Const, [{unit, nanosecond}, {offset, "Z"}])
),
?assertMatch(
{ok, _},
create_bridge(
Config,
#{
<<"write_syntax">> =>
<<"mqtt,clientid=${clientid}", " ",
"float_no_dp=${payload.float_no_dp},float_dp=${payload.float_dp},bar=5i ",
ConstBin/binary>>
}
)
),
ClientId = emqx_guid:to_hexstr(emqx_guid:gen()),
Payload = #{
%% no decimal point
float_no_dp => 123,
%% with decimal point
float_dp => 123.0
},
SentData = #{
<<"clientid">> => ClientId,
<<"topic">> => atom_to_binary(?FUNCTION_NAME),
<<"payload">> => Payload,
<<"timestamp">> => erlang:system_time(millisecond)
},
case QueryMode of
sync ->
?assertMatch({ok, 204, _}, send_message(Config, SentData)),
ok;
async ->
?assertMatch(ok, send_message(Config, SentData))
end,
%% sleep is still need even in sync mode, or we would get an empty result sometimes
ct:sleep(1500),
PersistedData = query_by_clientid(ClientId, Config),
Expected = #{float_no_dp => <<"123">>, float_dp => <<"123">>},
assert_persisted_data(ClientId, Expected, PersistedData),
TimeReturned0 = maps:get(<<"_time">>, maps:get(<<"float_no_dp">>, PersistedData)),
TimeReturned = pad_zero(TimeReturned0),
?assertEqual(TsStr, TimeReturned).
t_bad_timestamp(Config) ->
InfluxDBType = ?config(influxdb_type, Config),
InfluxDBName = ?config(influxdb_name, Config),
QueryMode = ?config(query_mode, Config),
BatchSize = ?config(batch_size, Config),
InfluxDBConfigString0 = ?config(influxdb_config_string, Config),
InfluxDBTypeCfg =
case InfluxDBType of
apiv1 -> "influxdb_api_v1";
apiv2 -> "influxdb_api_v2"
end,
WriteSyntax =
%% N.B.: this single space characters are relevant
<<"${topic}", " ", "payload=${payload},", "${clientid}_int_value=${payload.int_key}i,",
"uint_value=${payload.uint_key}u,"
"bool=${payload.bool}", " ", "bad_timestamp">>,
%% append this to override the config
InfluxDBConfigString1 =
io_lib:format(
"bridges.~s.~s {\n"
" write_syntax = \"~s\"\n"
"}\n",
[InfluxDBTypeCfg, InfluxDBName, WriteSyntax]
),
InfluxDBConfig1 = parse_and_check(
InfluxDBConfigString0 ++ InfluxDBConfigString1,
InfluxDBType,
InfluxDBName
),
Config1 = [{influxdb_config, InfluxDBConfig1} | Config],
?assertMatch(
{ok, _},
create_bridge(Config1)
),
ClientId = emqx_guid:to_hexstr(emqx_guid:gen()),
Payload = #{
int_key => -123,
bool => false,
uint_key => 123
},
SentData = #{
<<"clientid">> => ClientId,
<<"topic">> => atom_to_binary(?FUNCTION_NAME),
<<"timestamp">> => erlang:system_time(millisecond),
<<"payload">> => Payload
},
?check_trace(
?wait_async_action(
send_message(Config1, SentData),
#{?snk_kind := influxdb_connector_send_query_error},
10_000
),
fun(Result, Trace) ->
?assertMatch({_, {ok, _}}, Result),
{Return, {ok, _}} = Result,
IsBatch = BatchSize > 1,
case {QueryMode, IsBatch} of
{async, true} ->
?assertEqual(ok, Return),
?assertMatch(
[#{error := points_trans_failed}],
?of_kind(influxdb_connector_send_query_error, Trace)
);
{async, false} ->
?assertEqual(ok, Return),
?assertMatch(
[
#{
error := [
{error, {bad_timestamp, <<"bad_timestamp">>}}
]
}
],
?of_kind(influxdb_connector_send_query_error, Trace)
);
{sync, false} ->
?assertEqual(
{error, [
{error, {bad_timestamp, <<"bad_timestamp">>}}
]},
Return
);
{sync, true} ->
?assertEqual({error, {unrecoverable_error, points_trans_failed}}, Return)
end,
ok
end
),
ok.
t_get_status(Config) ->
ProxyPort = ?config(proxy_port, Config),
ProxyHost = ?config(proxy_host, Config),
ProxyName = ?config(proxy_name, Config),
{ok, _} = create_bridge(Config),
ResourceId = resource_id(Config),
?assertEqual({ok, connected}, emqx_resource_manager:health_check(ResourceId)),
emqx_common_test_helpers:with_failure(down, ProxyName, ProxyHost, ProxyPort, fun() ->
?assertEqual({ok, disconnected}, emqx_resource_manager:health_check(ResourceId))
end),
ok.
t_create_disconnected(Config) ->
ProxyPort = ?config(proxy_port, Config),
ProxyHost = ?config(proxy_host, Config),
ProxyName = ?config(proxy_name, Config),
?check_trace(
emqx_common_test_helpers:with_failure(down, ProxyName, ProxyHost, ProxyPort, fun() ->
?assertMatch({ok, _}, create_bridge(Config))
end),
fun(Trace) ->
[#{error := influxdb_client_not_alive, reason := Reason}] =
?of_kind(influxdb_connector_start_failed, Trace),
case Reason of
econnrefused -> ok;
closed -> ok;
{closed, _} -> ok;
{shutdown, closed} -> ok;
_ -> ct:fail("influxdb_client_not_alive with wrong reason: ~p", [Reason])
end,
ok
end
),
ok.
t_start_error(Config) ->
%% simulate client start error
?check_trace(
emqx_common_test_helpers:with_mock(
influxdb,
start_client,
fun(_Config) -> {error, some_error} end,
fun() ->
?wait_async_action(