From 4d021f1d853c3ec2c560608a646f581bfd3e71df Mon Sep 17 00:00:00 2001
From: Frederic Merizen <frederic.merizen@gmail.com>
Date: Thu, 28 Mar 2019 15:47:29 +0100
Subject: [PATCH] [#2180] Handle additionnal wrapping layer in production

---
 app/services/carrierwave_active_storage_migration_service.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/services/carrierwave_active_storage_migration_service.rb b/app/services/carrierwave_active_storage_migration_service.rb
index c9fd7df86..640643042 100644
--- a/app/services/carrierwave_active_storage_migration_service.rb
+++ b/app/services/carrierwave_active_storage_migration_service.rb
@@ -17,6 +17,11 @@ class CarrierwaveActiveStorageMigrationService
   def active_storage_openstack_client!
     service = ActiveStorage::Blob.service
 
+    if defined?(ActiveStorage::Service::DsProxyService) &&
+        service.is_a?(ActiveStorage::Service::DsProxyService)
+      service = service.wrapped
+    end
+
     if !defined?(ActiveStorage::Service::OpenStackService) ||
         !service.is_a?(ActiveStorage::Service::OpenStackService)
       raise StandardError, 'ActiveStorage must be backed by OpenStack'