Sidekiq falla al renderizar tras actualizar el gem rack

Descripción:
Sidekiq falla al cargar al actualizar al commit 9e399b42b96f115a8367c368862d62aeecfac680 de Discourse. Esto se ejecuta en una configuración de 2 contenedores (web y DB, desde ./discourse-setup 2container).

Comportamiento erróneo:
Cuando vas a <your-discourse-domain-name.tld>/sidekiq, obtienes el error “El software que impulsa este foro de discusión encontró un problema inesperado. Pedimos disculpas por las molestias”.

El comportamiento persiste incluso después de ejecutar bootstrap, destroy y restart. Tanto los contenedores de DB como de web han sido reconstruidos, pero el problema sigue ocurriendo.

Comportamiento esperado:
El panel de control de Sidekiq se abrirá.

Autodiagnóstico del error:
Después de visitar <your-discourse-domain-name.tld>/logs, veo solo 1 error (limpié todos los errores, accedí a la página de sidekiq y luego verifiqué). El rastreo del error y la información relevante están en los cuadros de “ocultar detalles” correspondientes a continuación.

Información

NoMethodError (método no definido transform_keys' para #<ActionDispatch::Request::Session:0x7fb46388f648 no cargado aún>) /var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:212:in stringify_keys’

Rastreo
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:212:in `stringify_keys'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:148:in `update'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:317:in `prepare_session'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:276:in `context'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:271:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/urlmap.rb:77:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/urlmap.rb:61:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/urlmap.rb:61:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/builder.rb:176:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.4/lib/sidekiq/web.rb:104:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/sidekiq-6.0.4/lib/sidekiq/web.rb:109:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/routing/mapper.rb:19:in `block in <class:Constraints>'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/routing/mapper.rb:48:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/journey/router.rb:49:in `block in serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/journey/router.rb:32:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/journey/router.rb:32:in `serve'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/routing/route_set.rb:837:in `call'
/var/www/discourse/lib/middleware/omniauth_bypass_middleware.rb:68:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/tempfile_reaper.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/conditional_get.rb:27:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/head.rb:14:in `call'
/var/www/discourse/lib/content_security_policy/middleware.rb:12:in `call'
/var/www/discourse/lib/middleware/anonymous_cache.rb:318:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:277:in `context'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/session/abstract/id.rb:271:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/cookies.rb:648:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/callbacks.rb:27:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activesupport-6.0.1/lib/active_support/callbacks.rb:101:in `run_callbacks'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/callbacks.rb:26:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/actionable_exceptions.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/debug_exceptions.rb:32:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/logster-2.5.1/lib/logster/middleware/reporter.rb:43:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.1/lib/rails/rack/logger.rb:38:in `call_app'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.1/lib/rails/rack/logger.rb:28:in `call'
/var/www/discourse/config/initializers/100-quiet_logger.rb:18:in `call'
/var/www/discourse/config/initializers/100-silence_logger.rb:31:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/request_id.rb:27:in `call'
/var/www/discourse/lib/middleware/enforce_hostname.rb:17:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/method_override.rb:24:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/executor.rb:14:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/sendfile.rb:113:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/actionpack-6.0.1/lib/action_dispatch/middleware/host_authorization.rb:77:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-mini-profiler-1.1.4/lib/mini_profiler/profiler.rb:184:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/message_bus-2.2.3/lib/message_bus/rack/middleware.rb:57:in `call'
/var/www/discourse/lib/middleware/request_tracker.rb:181:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.1/lib/rails/engine.rb:526:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.1/lib/rails/railtie.rb:190:in `public_send'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/railties-6.0.1/lib/rails/railtie.rb:190:in `method_missing'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/urlmap.rb:77:in `block in call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/urlmap.rb:61:in `each'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/rack-2.1.1/lib/rack/urlmap.rb:61:in `call'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.2/lib/unicorn/http_server.rb:605:in `process_client'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.2/lib/unicorn/http_server.rb:700:in `worker_loop'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.2/lib/unicorn/http_server.rb:548:in `spawn_missing_workers'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.2/lib/unicorn/http_server.rb:144:in `start'
/var/www/discourse/vendor/bundle/ruby/2.6.0/gems/unicorn-5.5.2/bin/unicorn:128:in `<top (required)>'
/var/www/discourse/vendor/bundle/ruby/2.6.0/bin/unicorn:23:in `load'
/var/www/discourse/vendor/bundle/ruby/2.6.0/bin/unicorn:23:in `<main>'

Tengo la sensación de que esto fue causado por el siguiente PR que actualiza el gem de Rack, según mi interpretación del rastreo:

5 Me gusta

Esto se ha solucionado según:

Estamos siguiendo un TODO separado para actualizar Rack.

7 Me gusta