feat(rabbitmq_bridge): add TLS support

Fixes https://emqx.atlassian.net/browse/EMQX-10605

.ci/docker-compose-file/docker-compose-rabbitmq.yaml

@@ -13,5 +13,10 @@ services:
     # ports:
     #   - "15672:15672"
     #   - "5672:5672"
+    volumes:
+      - ./certs/ca.crt:/opt/certs/ca.crt
+      - ./certs/server.crt:/opt/certs/server.crt
+      - ./certs/server.key:/opt/certs/server.key
+      - ./rabbitmq/20-tls.conf:/etc/rabbitmq/conf.d/20-tls.conf
     networks:
       - emqx_bridge

.ci/docker-compose-file/rabbitmq/20-tls.conf

@@ -0,0 +1,7 @@
+listeners.ssl.default = 5671
+
+ssl_options.cacertfile = /opt/certs/ca.crt
+ssl_options.certfile   = /opt/certs/server.crt
+ssl_options.keyfile    = /opt/certs/server.key
+ssl_options.verify     = verify_peer
+ssl_options.fail_if_no_peer_cert = true

apps/emqx_bridge_rabbitmq/src/emqx_bridge_rabbitmq.app.src

@@ -1,6 +1,6 @@
 {application, emqx_bridge_rabbitmq, [
     {description, "EMQX Enterprise RabbitMQ Bridge"},
-    {vsn, "0.1.3"},
+    {vsn, "0.1.4"},
     {registered, []},
     {applications, [
         kernel,

apps/emqx_bridge_rabbitmq/src/emqx_bridge_rabbitmq_connector.erl

@@ -155,7 +155,7 @@ fields(config) ->
                     desc => ?DESC("payload_template")
                 }
             )}
-    ].
+    ] ++ emqx_connector_schema_lib:ssl_fields().
 
 values(post) ->
     maps:merge(values(put), #{name => <<"connector">>});
@@ -320,10 +320,18 @@ create_rabbitmq_connection_and_channel(Config) ->
         wait_for_publish_confirmations := WaitForPublishConfirmations
     } = Config,
     Password = emqx_secret:unwrap(WrappedPassword),
+    SSLOptions =
+        case maps:get(ssl, Config, #{}) of
+            #{enable := true} = SSLOpts ->
+                emqx_tls_lib:to_client_opts(SSLOpts);
+            _ ->
+                none
+        end,
     RabbitMQConnectionOptions =
         #amqp_params_network{
             host = erlang:binary_to_list(Host),
             port = Port,
+            ssl_options = SSLOptions,
             username = Username,
             password = Password,
             connection_timeout = Timeout,

apps/emqx_bridge_rabbitmq/test/emqx_bridge_rabbitmq_SUITE.erl

@@ -38,22 +38,34 @@ get_channel_connection(Config) ->
 %% Common Test Setup, Teardown and Testcase List
 %%------------------------------------------------------------------------------
 
+all() ->
+    [
+        {group, tcp},
+        {group, tls}
+    ].
+
+groups() ->
+    AllTCs = emqx_common_test_helpers:all(?MODULE),
+    [
+        {tcp, AllTCs},
+        {tls, AllTCs}
+    ].
+
 init_per_suite(Config) ->
-    % snabbkaffe:fix_ct_logging(),
-    case
-        emqx_common_test_helpers:is_tcp_server_available(
-            erlang:binary_to_list(rabbit_mq_host()), rabbit_mq_port()
-        )
-    of
+    Config.
+
+end_per_suite(_Config) ->
+    ok.
+
+init_per_group(tcp, Config) ->
+    RabbitMQHost = os:getenv("RABBITMQ_PLAIN_HOST", "rabbitmq"),
+    RabbitMQPort = list_to_integer(os:getenv("RABBITMQ_PLAIN_PORT", "5672")),
+    case emqx_common_test_helpers:is_tcp_server_available(RabbitMQHost, RabbitMQPort) of
         true ->
-            emqx_common_test_helpers:render_and_load_app_config(emqx_conf),
-            ok = emqx_common_test_helpers:start_apps([emqx_conf, emqx_bridge]),
-            ok = emqx_connector_test_helpers:start_apps([emqx_resource]),
-            {ok, _} = application:ensure_all_started(emqx_connector),
-            {ok, _} = application:ensure_all_started(amqp_client),
-            emqx_mgmt_api_test_util:init_suite(),
-            ChannelConnection = setup_rabbit_mq_exchange_and_queue(),
-            [{channel_connection, ChannelConnection} | Config];
+            Config1 = common_init_per_group(#{
+                host => RabbitMQHost, port => RabbitMQPort, tls => false
+            }),
+            Config1 ++ Config;
         false ->
             case os:getenv("IS_CI") of
                 "yes" ->
@@ -61,14 +73,64 @@ init_per_suite(Config) ->
                 _ ->
                     {skip, no_rabbitmq}
             end
-    end.
+    end;
+init_per_group(tls, Config) ->
+    RabbitMQHost = os:getenv("RABBITMQ_TLS_HOST", "rabbitmq"),
+    RabbitMQPort = list_to_integer(os:getenv("RABBITMQ_TLS_PORT", "5671")),
+    case emqx_common_test_helpers:is_tcp_server_available(RabbitMQHost, RabbitMQPort) of
+        true ->
+            Config1 = common_init_per_group(#{
+                host => RabbitMQHost, port => RabbitMQPort, tls => true
+            }),
+            Config1 ++ Config;
+        false ->
+            case os:getenv("IS_CI") of
+                "yes" ->
+                    throw(no_rabbitmq);
+                _ ->
+                    {skip, no_rabbitmq}
+            end
+    end;
+init_per_group(_Group, Config) ->
+    Config.
 
-setup_rabbit_mq_exchange_and_queue() ->
+common_init_per_group(Opts) ->
+    emqx_common_test_helpers:render_and_load_app_config(emqx_conf),
+    ok = emqx_common_test_helpers:start_apps([emqx_conf, emqx_bridge]),
+    ok = emqx_connector_test_helpers:start_apps([emqx_resource]),
+    {ok, _} = application:ensure_all_started(emqx_connector),
+    {ok, _} = application:ensure_all_started(amqp_client),
+    emqx_mgmt_api_test_util:init_suite(),
+    ChannelConnection = setup_rabbit_mq_exchange_and_queue(Opts),
+    [{channel_connection, ChannelConnection}].
+
+setup_rabbit_mq_exchange_and_queue(#{host := RabbitMQHost, port := RabbitMQPort, tls := UseTLS}) ->
+    SSLOptions =
+        case UseTLS of
+            false ->
+                none;
+            true ->
+                CertsDir = filename:join([
+                    emqx_common_test_helpers:proj_root(),
+                    ".ci",
+                    "docker-compose-file",
+                    "certs"
+                ]),
+                emqx_tls_lib:to_client_opts(
+                    #{
+                        enable => true,
+                        cacertfile => filename:join([CertsDir, "ca.crt"]),
+                        certfile => filename:join([CertsDir, "client.pem"]),
+                        keyfile => filename:join([CertsDir, "client.key"])
+                    }
+                )
+        end,
     %% Create an exachange and a queue
     {ok, Connection} =
         amqp_connection:start(#amqp_params_network{
-            host = erlang:binary_to_list(rabbit_mq_host()),
-            port = rabbit_mq_port()
+            host = RabbitMQHost,
+            port = RabbitMQPort,
+            ssl_options = SSLOptions
         }),
     {ok, Channel} = amqp_connection:open_channel(Connection),
     %% Create an exchange
@@ -101,7 +163,7 @@ setup_rabbit_mq_exchange_and_queue() ->
         channel => Channel
     }.
 
-end_per_suite(Config) ->
+end_per_group(_Group, Config) ->
     #{
         connection := Connection,
         channel := Channel
@@ -122,9 +184,6 @@ init_per_testcase(_, Config) ->
 end_per_testcase(_, _Config) ->
     ok.
 
-all() ->
-    emqx_common_test_helpers:all(?MODULE).
-
 rabbitmq_config(Config) ->
     %%SQL = maps:get(sql, Config, sql_insert_template_for_bridge()),
     BatchSize = maps:get(batch_size, Config, 1),

changes/ee/feat-11363.en.md

@@ -0,0 +1 @@
+Added TLS connection support to RabbitMQ bridge.