Allow to configure client properties

README.md

@@ -406,6 +406,7 @@ Known configuration parameters are:
  * `error_acknowledgements`: a chain of responsibility of objects that acknowledge/reject/requeue messages when an
     exception happens, see classes in `Hutch::Acknowledgements`.
  * `mq_exchange`: exchange to use for publishing (default: `hutch`)
+ * `mq_client_properties`: Bunny's [client properties](https://www.rabbitmq.com/docs/connections#capabilities) (default: `{}`)
  * `heartbeat`: [RabbitMQ heartbeat timeout](http://rabbitmq.com/heartbeats.html) (default: `30`)
  * `connection_timeout`: Bunny's socket open timeout (default: `11`)
  * `read_timeout`: Bunny's socket read timeout (default: `11`)

lib/hutch/broker.rb

@@ -298,6 +298,7 @@ def connection_params
           params[:tls_ca_certificates] = @config[:mq_tls_ca_certificates]
         end
         params[:heartbeat]          = @config[:heartbeat]
+        params[:client_properties]  = @config[:mq_client_properties]
         params[:connection_name]    = @config[:connection_name]
         params[:connection_timeout] = @config[:connection_timeout]
         params[:read_timeout]       = @config[:read_timeout]

lib/hutch/config.rb

@@ -174,6 +174,7 @@ def self.initialize(params = {})
     # @return [Hash]
     def self.default_config
       @settings_defaults.merge({
+        mq_client_properties: {},
         mq_exchange_options: {},
         mq_tls_cert: nil,
         mq_tls_key: nil,