Fix `rails db:*` when the database does not exist

Currently tasks like `rails db:drop && rails db:create` fails due to the
console message that tries to show the database version and since the
database was just dropped it fails.
This fix just verify if the database exists before printing messages
that depends on the database.

config/initializers/console_message.rb

@@ -6,12 +6,15 @@ if defined?(Rails::Console)
   puts '-' * 80
   puts " GitLab:".ljust(justify) + "#{Gitlab::VERSION} (#{Gitlab.revision})"
   puts " GitLab Shell:".ljust(justify) + "#{Gitlab::VersionInfo.parse(Gitlab::Shell.new.version)}"
-  puts " #{Gitlab::Database.human_adapter_name}:".ljust(justify) + Gitlab::Database.version
 
-  Gitlab.ee do
-    if Gitlab::Geo.enabled?
-      puts " Geo enabled:".ljust(justify) + 'yes'
-      puts " Geo server:".ljust(justify) + EE::GeoHelper.current_node_human_status
+  if Gitlab::Database.exists?
+    puts " #{Gitlab::Database.human_adapter_name}:".ljust(justify) + Gitlab::Database.version
+
+    Gitlab.ee do
+      if Gitlab::Geo.connected? && Gitlab::Geo.enabled?
+        puts " Geo enabled:".ljust(justify) + 'yes'
+        puts " Geo server:".ljust(justify) + EE::GeoHelper.current_node_human_status
+      end
     end
   end