111 lines
3.2 KiB
Erlang
111 lines
3.2 KiB
Erlang
%%--------------------------------------------------------------------
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%% Copyright (c) 2022-2023 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%--------------------------------------------------------------------
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-module(emqx_bridge_pgsql).
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-include_lib("typerefl/include/types.hrl").
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-include_lib("hocon/include/hoconsc.hrl").
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-include_lib("emqx_resource/include/emqx_resource.hrl").
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-import(hoconsc, [mk/2, enum/1, ref/2]).
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-export([
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conn_bridge_examples/1,
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values/2,
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fields/2
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]).
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-export([
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namespace/0,
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roots/0,
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fields/1,
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desc/1
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]).
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-define(DEFAULT_SQL, <<
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"insert into t_mqtt_msg(msgid, topic, qos, payload, arrived) "
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"values (${id}, ${topic}, ${qos}, ${payload}, TO_TIMESTAMP((${timestamp} :: bigint)/1000))"
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>>).
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%% -------------------------------------------------------------------------------------------------
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%% api
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conn_bridge_examples(Method) ->
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[
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#{
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<<"pgsql">> => #{
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summary => <<"PostgreSQL Bridge">>,
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value => values(Method, pgsql)
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}
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}
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].
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values(_Method, Type) ->
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#{
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enable => true,
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type => Type,
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name => <<"foo">>,
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server => <<"127.0.0.1:5432">>,
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database => <<"mqtt">>,
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pool_size => 8,
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username => <<"root">>,
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password => <<"******">>,
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sql => ?DEFAULT_SQL,
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local_topic => <<"local/topic/#">>,
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resource_opts => #{
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worker_pool_size => 8,
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health_check_interval => ?HEALTHCHECK_INTERVAL_RAW,
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batch_size => ?DEFAULT_BATCH_SIZE,
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batch_time => ?DEFAULT_BATCH_TIME,
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query_mode => async,
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max_buffer_bytes => ?DEFAULT_BUFFER_BYTES
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}
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}.
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%% -------------------------------------------------------------------------------------------------
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%% Hocon Schema Definitions
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namespace() -> "bridge_pgsql".
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roots() -> [].
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fields("config") ->
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[
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{enable, mk(boolean(), #{desc => ?DESC("config_enable"), default => true})},
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{sql,
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mk(
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binary(),
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#{desc => ?DESC("sql_template"), default => ?DEFAULT_SQL, format => <<"sql">>}
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)},
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{local_topic,
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mk(
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binary(),
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#{desc => ?DESC("local_topic"), default => undefined}
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)}
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] ++ emqx_resource_schema:fields("resource_opts") ++
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(emqx_postgresql:fields(config) --
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emqx_connector_schema_lib:prepare_statement_fields());
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fields("post") ->
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fields("post", pgsql);
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fields("put") ->
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fields("config");
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fields("get") ->
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emqx_bridge_schema:status_fields() ++ fields("post").
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fields("post", Type) ->
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[type_field(Type), name_field() | fields("config")].
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desc("config") ->
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?DESC("desc_config");
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desc(Method) when Method =:= "get"; Method =:= "put"; Method =:= "post" ->
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["Configuration for PostgreSQL using `", string:to_upper(Method), "` method."];
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desc(_) ->
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undefined.
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%% -------------------------------------------------------------------------------------------------
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type_field(Type) ->
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{type, mk(enum([Type]), #{required => true, desc => ?DESC("desc_type")})}.
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name_field() ->
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{name, mk(binary(), #{required => true, desc => ?DESC("desc_name")})}.
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