Only override default if Omnibus protected paths is not enabled

db/migrate/20191026041447_change_default_value_of_throttle_protected_paths.rb

@@ -13,7 +13,9 @@ class ChangeDefaultValueOfThrottleProtectedPaths < ActiveRecord::Migration[5.2]
     # 12.4. This migration toggles it back off to ensure we don't
     # inadvertently block legitimate users. The admin will have to
     # re-enable it in the application settings.
-    execute "UPDATE application_settings SET throttle_protected_paths_enabled = #{false_value}"
+    unless omnibus_protected_paths_present?
+      execute "UPDATE application_settings SET throttle_protected_paths_enabled = #{false_value}"
+    end
   end
 
   def down
@@ -21,4 +23,16 @@ class ChangeDefaultValueOfThrottleProtectedPaths < ActiveRecord::Migration[5.2]
 
     execute "UPDATE application_settings SET throttle_protected_paths_enabled = #{true_value}"
   end
+
+  private
+
+  def omnibus_protected_paths_present?
+    Rack::Attack.throttles.key?('protected paths')
+  rescue e
+    say "Error while checking if Omnibus protected paths were already enabled: #{e.message}"
+    say 'Continuing. Protected paths will remain enabled.'
+
+    # Return true so we don't take a risk
+    true
+  end
 end