Look into rails-console issues for dr environment

Testing ssh to the rails console on DR, I see something like:

Creating this when I started to test access for Ash in this access request:
https://gitlab.com/gitlab-com/access-requests/issues/1202

Hoping to get the Geo team better access to just look at issues with the DR environment.

```
Davids-MBP:users dsmith$ ssh dsmith-rails@console-01-sv-dr.c.gitlab-dr.internal
Starting console, please wait ...
--------------------------------------------------------------------------------
 GitLab:       12.1.0-rc23-ee (213728f63b4)
 GitLab Shell: 9.3.0
Traceback (most recent call last):
	66: from bin/rails:4:in `<main>'
	65: from bin/rails:4:in `require'
	64: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/commands.rb:18:in `<top (required)>'
	63: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/command.rb:46:in `invoke'
	62: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/command/base.rb:65:in `perform'
	61: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/thor-0.19.4/lib/thor.rb:369:in `dispatch'
	60: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/thor-0.19.4/lib/thor/invocation.rb:126:in `invoke_command'
	59: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/thor-0.19.4/lib/thor/command.rb:27:in `run'
	58: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/commands/console/console_command.rb:95:in `perform'
	57: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/command/actions.rb:15:in `require_application_and_environment!'
	56: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/command/actions.rb:28:in `require_environment!'
	55: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/application.rb:337:in `require_environment!'
	54: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
	53: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
	52: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
	51: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
	50: from /opt/gitlab/embedded/service/gitlab-rails/config/environment.rb:6:in `<top (required)>'
	49: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/application.rb:361:in `initialize!'
	48: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/initializable.rb:60:in `run_initializers'
	47: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:205:in `tsort_each'
	46: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:226:in `tsort_each'
	45: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:347:in `each_strongly_connected_component'
	44: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:347:in `call'
	43: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:347:in `each'
	42: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:349:in `block in each_strongly_connected_component'
	41: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:415:in `each_strongly_connected_component_from'
	40: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:415:in `call'
	39: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/initializable.rb:50:in `tsort_each_child'
	38: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/initializable.rb:50:in `each'
	37: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
	36: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:431:in `each_strongly_connected_component_from'
	35: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
	34: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
	33: from /opt/gitlab/embedded/lib/ruby/2.6.0/tsort.rb:228:in `block in tsort_each'
	32: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/initializable.rb:61:in `block in run_initializers'
	31: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/initializable.rb:32:in `run'
	30: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/initializable.rb:32:in `instance_exec'
	29: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/engine.rb:613:in `block in <class:Engine>'
	28: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/engine.rb:613:in `each'
	27: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/engine.rb:614:in `block (2 levels) in <class:Engine>'
	26: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/engine.rb:656:in `load_config_initializer'
	25: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/notifications.rb:170:in `instrument'
	24: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/railties-5.2.3/lib/rails/engine.rb:657:in `block in load_config_initializer'
	23: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:285:in `load'
	22: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
	21: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:285:in `block in load'
	20: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:285:in `load'
	19: from /opt/gitlab/embedded/service/gitlab-rails/config/initializers/console_message.rb:9:in `<top (required)>'
	18: from /opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/database.rb:79:in `version'
	17: from /opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/database.rb:259:in `database_version'
	16: from /opt/gitlab/embedded/service/gitlab-rails/lib/gitlab/database.rb:246:in `connection'
	15: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_handling.rb:90:in `connection'
	14: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_handling.rb:118:in `retrieve_connection'
	13: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:1014:in `retrieve_connection'
	12: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:382:in `connection'
	11: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:523:in `checkout'
	10: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:795:in `acquire_connection'
	 9: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:834:in `try_to_checkout_new_connection'
	 8: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:855:in `checkout_new_connection'
	 7: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:811:in `new_connection'
	 6: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql_adapter.rb:48:in `postgresql_connection'
	 5: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql_adapter.rb:48:in `new'
	 4: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql_adapter.rb:223:in `initialize'
	 3: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/activerecord-5.2.3/lib/active_record/connection_adapters/postgresql_adapter.rb:692:in `connect'
	 2: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/pg-1.1.4/lib/pg.rb:56:in `connect'
	 1: from /opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/pg-1.1.4/lib/pg.rb:56:in `new'
/opt/gitlab/embedded/lib/ruby/gems/2.6.0/gems/pg-1.1.4/lib/pg.rb:56:in `initialize': ERROR:  pgbouncer cannot connect to server (PG::ConnectionBad)
```

Story points: 1.0