Add support for remote OVH cloud storage

config/initializers/carrierwave.rb

@@ -0,0 +1,28 @@
+require_relative 'features'
+
+Fog.credentials_path = Rails.root.join('config/fog_credentials.yml')
+
+CarrierWave.configure do |config|
+  # These permissions will make dir and files available only to the user running
+  # the servers
+  config.permissions = 0600
+  config.directory_permissions = 0700
+
+  if Features.remote_storage and not Rails.env.test?
+    config.fog_credentials = { provider: 'OpenStack' }
+  end
+
+  # This avoids uploaded files from saving to public/ and so
+  # they will not be available for public (non-authenticated) downloading
+  config.root = Rails.root
+
+  config.cache_dir = "#{Rails.root}/uploads"
+
+  config.fog_public = true
+
+  if Rails.env.production?
+    config.fog_directory = "tps"
+  else
+    config.fog_directory = "tps_dev"
+  end
+end

config/initializers/features.rb

@@ -0,0 +1,26 @@
+require 'yaml'
+# this class manage features
+# Features must be added in file config/initializers/features.yml :
+# feature_name: true
+# other_feature: false
+#
+# this file is templated by ansible for staging and production so don't forget to add your features in
+# ansible config
+class Features
+  class << self
+    if File.exist?(File.dirname(__FILE__) + '/features.yml')
+      features_map = YAML.load_file(File.dirname(__FILE__) + '/features.yml')
+      if features_map
+        features_map.each do |feature, is_active|
+          define_method("#{feature}") do
+            is_active
+          end
+        end
+      end
+
+      def method_missing(method, *args)
+        false
+      end
+    end
+  end
+end