emqx/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge_dynamo.erl

119 lines
3.5 KiB
Erlang

%%--------------------------------------------------------------------
%% Copyright (c) 2022 EMQ Technologies Co., Ltd. All Rights Reserved.
%%--------------------------------------------------------------------
-module(emqx_ee_bridge_dynamo).
-include_lib("typerefl/include/types.hrl").
-include_lib("hocon/include/hoconsc.hrl").
-include_lib("emqx_bridge/include/emqx_bridge.hrl").
-include_lib("emqx_resource/include/emqx_resource.hrl").
-import(hoconsc, [mk/2, enum/1, ref/2]).
-export([
conn_bridge_examples/1,
values/1
]).
-export([
namespace/0,
roots/0,
fields/1,
desc/1
]).
-define(DEFAULT_TEMPLATE, <<>>).
%% -------------------------------------------------------------------------------------------------
%% api
conn_bridge_examples(Method) ->
[
#{
<<"dynamo">> => #{
summary => <<"DynamoDB Bridge">>,
value => values(Method)
}
}
].
values(_Method) ->
#{
enable => true,
type => dynamo,
name => <<"foo">>,
url => <<"http://127.0.0.1:8000">>,
database => <<"mqtt">>,
pool_size => 8,
username => <<"root">>,
password => <<"public">>,
template => ?DEFAULT_TEMPLATE,
local_topic => <<"local/topic/#">>,
resource_opts => #{
worker_pool_size => 8,
health_check_interval => ?HEALTHCHECK_INTERVAL_RAW,
auto_restart_interval => ?AUTO_RESTART_INTERVAL_RAW,
batch_size => ?DEFAULT_BATCH_SIZE,
batch_time => ?DEFAULT_BATCH_TIME,
query_mode => sync,
max_queue_bytes => ?DEFAULT_QUEUE_SIZE
}
}.
%% -------------------------------------------------------------------------------------------------
%% Hocon Schema Definitions
namespace() -> "bridge_dynamo".
roots() -> [].
fields("config") ->
[
{enable, mk(boolean(), #{desc => ?DESC("config_enable"), default => true})},
{template,
mk(
binary(),
#{desc => ?DESC("template"), default => ?DEFAULT_TEMPLATE}
)},
{local_topic,
mk(
binary(),
#{desc => ?DESC("local_topic"), default => undefined}
)},
{resource_opts,
mk(
ref(?MODULE, "creation_opts"),
#{
required => false,
default => #{},
desc => ?DESC(emqx_resource_schema, <<"resource_opts">>)
}
)}
] ++
(emqx_ee_connector_dynamo:fields(config) --
emqx_connector_schema_lib:prepare_statement_fields());
fields("creation_opts") ->
emqx_resource_schema:fields("creation_opts");
fields("post") ->
[type_field(), name_field() | fields("config")];
fields("put") ->
fields("config");
fields("get") ->
emqx_bridge_schema:status_fields() ++ fields("post").
desc("config") ->
?DESC("desc_config");
desc(Method) when Method =:= "get"; Method =:= "put"; Method =:= "post" ->
["Configuration for PostgreSQL using `", string:to_upper(Method), "` method."];
desc("creation_opts" = Name) ->
emqx_resource_schema:desc(Name);
desc(_) ->
undefined.
%% -------------------------------------------------------------------------------------------------
type_field() ->
{type, mk(enum([dynamo]), #{required => true, desc => ?DESC("desc_type")})}.
name_field() ->
{name, mk(binary(), #{required => true, desc => ?DESC("desc_name")})}.