TriggerEngine crashes receiving unhandled :ssl_closed message

[rbino]

Example log of the crash:

level=error ts=2020-05-21T13:40:22.327+00:00 msg="GenServer Astarte.TriggerEngine.AMQPEventsConsumer terminating\n** (FunctionClauseError) no function clause matching in Astarte.TriggerEngine.AMQPEventsConsumer.handle_info/2\n    (astarte_trigger_engine) lib/astarte_trigger_engine/amqp_events_consumer.ex:69: Astarte.TriggerEngine.AMQPEventsConsumer.handle_info({:ssl_closed, {:sslsocket, {:gen_tcp, #Port<0.104>, :tls_connection, :undefined}, [#PID<0.2136.0>, #PID<0.2135.0>]}}, %{channel: %AMQP.Channel{conn: %AMQP.Connection{pid: #PID<0.2119.0>}, pid: #PID<0.2128.0>}})\n    (stdlib) gen_server.erl:637: :gen_server.try_dispatch/4\n    (stdlib) gen_server.erl:711: :gen_server.handle_msg/6\n    (stdlib) proc_lib.erl:249: :proc_lib.init_p_do_apply/3\nLast message: {:ssl_closed, {:sslsocket, {:gen_tcp, #Port<0.104>, :tls_connection, :undefined}, [#PID<0.2136.0>, #PID<0.2135.0>]}}\nState: %{channel: %AMQP.Channel{conn: %AMQP.Connection{pid: #PID<0.2119.0>}, pid: #PID<0.2128.0>}}" module=gen_server function=error_info/7
level=info ts=2020-05-21T13:40:22.331+00:00 msg="Application astarte_trigger_engine exited: shutdown" module=application_controller function=info_exited/3
Kernel pid terminated (application_controller) ({application_terminated,astarte_trigger_engine,shutdown})
{"Kernel pid terminated",application_controller,"{application_terminated,astarte_trigger_engine,shutdown}"}

This probably depends from benoitc/hackney#464 since TriggerEngine uses HTTPoison that in turn is using hackney.

[rbino]

Closing this since that's not been seen in a while, we will reopen this if we see it again