Enable serving static objects from an external storage

It consists of two parts:

1. Redirecting users to the configured external storage
1. Allowing the external storage to request the static object(s)
   on behalf of the user by means of specific tokens

Part of https://gitlab.com/gitlab-com/gl-infra/infrastructure/issues/6829

1 files changed, 18 insertions, 0 deletions

diff --git a/db/migrate/20190722104947_add_static_object_token_to_users.rb b/db/migrate/20190722104947_add_static_object_token_to_users.rb
new file mode 100644
index 00000000000..6ef85d9acaa
--- /dev/null
+++ b/db/migrate/20190722104947_add_static_object_token_to_users.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddStaticObjectTokenToUsers < ActiveRecord::Migration[5.2]
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_column :users, :static_object_token, :string, limit: 255
+  end
+
+  def down
+    remove_column :users, :static_object_token
+  end
+end