feat(rabbitmq): accept wrapped secrets as passwords

apps/emqx_bridge_rabbitmq/src/emqx_bridge_rabbitmq.app.src

@@ -1,6 +1,6 @@
 {application, emqx_bridge_rabbitmq, [
     {description, "EMQX Enterprise RabbitMQ Bridge"},
-    {vsn, "0.1.5"},
+    {vsn, "0.1.6"},
     {registered, []},
     {applications, [
         kernel,

apps/emqx_bridge_rabbitmq/src/emqx_bridge_rabbitmq_connector.erl

@@ -72,7 +72,7 @@ fields(config) ->
                     desc => ?DESC("username")
                 }
             )},
-        {password, fun emqx_connector_schema_lib:password_required/1},
+        {password, emqx_connector_schema_lib:password_field(#{required => true})},
         {pool_size,
             hoconsc:mk(
                 typerefl:pos_integer(),
@@ -194,7 +194,6 @@ on_start(
     #{
         pool_size := PoolSize,
         payload_template := PayloadTemplate,
-        password := Password,
         delivery_mode := InitialDeliveryMode
     } = InitialConfig
 ) ->
@@ -204,7 +203,6 @@ on_start(
             persistent -> 2
         end,
     Config = InitialConfig#{
-        password => emqx_secret:wrap(Password),
         delivery_mode => DeliveryMode
     },
     ?SLOG(info, #{
@@ -240,13 +238,11 @@ on_start(
         ok ->
             {ok, State};
         {error, Reason} ->
-            LogMessage =
-                #{
+            ?SLOG(info, #{
                 msg => "rabbitmq_connector_start_failed",
                 error_reason => Reason,
                 config => emqx_utils:redact(Config)
-                },
-            ?SLOG(info, LogMessage),
+            }),
             {error, Reason}
     end.
 
@@ -319,6 +315,7 @@ create_rabbitmq_connection_and_channel(Config) ->
         heartbeat := Heartbeat,
         wait_for_publish_confirmations := WaitForPublishConfirmations
     } = Config,
+    %% TODO: teach `amqp` to accept 0-arity closures as passwords.
     Password = emqx_secret:unwrap(WrappedPassword),
     SSLOptions =
         case maps:get(ssl, Config, #{}) of

apps/emqx_bridge_rabbitmq/test/emqx_bridge_rabbitmq_connector_SUITE.erl

@@ -10,6 +10,7 @@
 -include("emqx_connector.hrl").
 -include_lib("eunit/include/eunit.hrl").
 -include_lib("stdlib/include/assert.hrl").
+-include_lib("common_test/include/ct.hrl").
 -include_lib("amqp_client/include/amqp_client.hrl").
 
 %% This test SUITE requires a running RabbitMQ instance. If you don't want to
@@ -26,6 +27,9 @@ rabbit_mq_host() ->
 rabbit_mq_port() ->
     5672.
 
+rabbit_mq_password() ->
+    <<"guest">>.
+
 rabbit_mq_exchange() ->
     <<"test_exchange">>.
 
@@ -45,12 +49,12 @@ init_per_suite(Config) ->
         )
     of
         true ->
-            ok = emqx_common_test_helpers:start_apps([emqx_conf]),
-            ok = emqx_connector_test_helpers:start_apps([emqx_resource]),
-            {ok, _} = application:ensure_all_started(emqx_connector),
-            {ok, _} = application:ensure_all_started(amqp_client),
+            Apps = emqx_cth_suite:start(
+                [emqx_conf, emqx_connector, emqx_bridge_rabbitmq],
+                #{work_dir => emqx_cth_suite:work_dir(Config)}
+            ),
             ChannelConnection = setup_rabbit_mq_exchange_and_queue(),
-            [{channel_connection, ChannelConnection} | Config];
+            [{channel_connection, ChannelConnection}, {suite_apps, Apps} | Config];
         false ->
             case os:getenv("IS_CI") of
                 "yes" ->
@@ -106,13 +110,11 @@ end_per_suite(Config) ->
         connection := Connection,
         channel := Channel
     } = get_channel_connection(Config),
-    ok = emqx_common_test_helpers:stop_apps([emqx_conf]),
-    ok = emqx_connector_test_helpers:stop_apps([emqx_resource]),
-    _ = application:stop(emqx_connector),
     %% Close the channel
     ok = amqp_channel:close(Channel),
     %% Close the connection
-    ok = amqp_connection:close(Connection).
+    ok = amqp_connection:close(Connection),
+    ok = emqx_cth_suite:stop(?config(suite_apps, Config)).
 
 % %%------------------------------------------------------------------------------
 % %% Testcases
@@ -125,23 +127,31 @@ t_lifecycle(Config) ->
         Config
     ).
 
+t_start_passfile(Config) ->
+    ResourceID = atom_to_binary(?FUNCTION_NAME),
+    PasswordFilename = filename:join(?config(priv_dir, Config), "passfile"),
+    ok = file:write_file(PasswordFilename, rabbit_mq_password()),
+    InitialConfig = rabbitmq_config(#{
+        password => iolist_to_binary(["file://", PasswordFilename])
+    }),
+    ?assertMatch(
+        #{status := connected},
+        create_local_resource(ResourceID, check_config(InitialConfig))
+    ),
+    ?assertEqual(
+        ok,
+        emqx_resource:remove_local(ResourceID)
+    ).
+
 perform_lifecycle_check(ResourceID, InitialConfig, TestConfig) ->
     #{
         channel := Channel
     } = get_channel_connection(TestConfig),
-    {ok, #{config := CheckedConfig}} =
-        emqx_resource:check_config(emqx_bridge_rabbitmq_connector, InitialConfig),
-    {ok, #{
+    CheckedConfig = check_config(InitialConfig),
+    #{
         state := #{poolname := PoolName} = State,
         status := InitialStatus
-    }} =
-        emqx_resource:create_local(
-            ResourceID,
-            ?CONNECTOR_RESOURCE_GROUP,
-            emqx_bridge_rabbitmq_connector,
-            CheckedConfig,
-            #{}
-        ),
+    } = create_local_resource(ResourceID, CheckedConfig),
     ?assertEqual(InitialStatus, connected),
     %% Instance should match the state and status of the just started resource
     {ok, ?CONNECTOR_RESOURCE_GROUP, #{
@@ -184,6 +194,21 @@ perform_lifecycle_check(ResourceID, InitialConfig, TestConfig) ->
 % %% Helpers
 % %%------------------------------------------------------------------------------
 
+check_config(Config) ->
+    {ok, #{config := CheckedConfig}} =
+        emqx_resource:check_config(emqx_bridge_rabbitmq_connector, Config),
+    CheckedConfig.
+
+create_local_resource(ResourceID, CheckedConfig) ->
+    {ok, Bridge} = emqx_resource:create_local(
+        ResourceID,
+        ?CONNECTOR_RESOURCE_GROUP,
+        emqx_bridge_rabbitmq_connector,
+        CheckedConfig,
+        #{}
+    ),
+    Bridge.
+
 perform_query(PoolName, Channel) ->
     %% Send message to queue:
     ok = emqx_resource:query(PoolName, {query, test_data()}),
@@ -216,16 +241,19 @@ receive_simple_test_message(Channel) ->
     end.
 
 rabbitmq_config() ->
+    rabbitmq_config(#{}).
+
+rabbitmq_config(Overrides) ->
     Config =
         #{
             server => rabbit_mq_host(),
             port => 5672,
             username => <<"guest">>,
-            password => <<"guest">>,
+            password => rabbit_mq_password(),
             exchange => rabbit_mq_exchange(),
             routing_key => rabbit_mq_routing_key()
         },
-    #{<<"config">> => Config}.
+    #{<<"config">> => maps:merge(Config, Overrides)}.
 
 test_data() ->
     #{<<"msg_field">> => <<"Hello">>}.