storage: add openstack_storage_url option

Signed-off-by: Julien 'Lta' BALLET <contact@lta.io>

Author: elthariel

lib/fog/openstack/core.rb

@@ -16,6 +16,7 @@ module Core
       attr_reader :openstack_project_id
       attr_reader :openstack_project_domain_id
       attr_reader :openstack_identity_api_version
+      attr_reader :openstack_storage_url
 
       # fallback
       def self.not_found_class
@@ -212,15 +213,7 @@ def authenticate
 
           token = Fog::OpenStack::Auth::Token.build(openstack_options, @connection_options)
 
-          @openstack_management_url = if token.catalog && !token.catalog.payload.empty?
-                                        token.catalog.get_endpoint_url(
-                                          @openstack_service_type,
-                                          @openstack_endpoint_type,
-                                          @openstack_region
-                                        )
-                                      else
-                                        @openstack_auth_url
-                                      end
+          @openstack_management_url = management_url(token)
 
           @current_user = token.user['name']
           @current_user_id          = token.user['id']
@@ -246,6 +239,20 @@ def authenticate!
         @openstack_must_reauthenticate = true
         authenticate
       end
+
+      private
+
+      def management_url(token)
+        if token.catalog && !token.catalog.payload.empty?
+          token.catalog.get_endpoint_url(
+            @openstack_service_type,
+            @openstack_endpoint_type,
+            @openstack_region
+          )
+        else
+          @openstack_auth_url
+        end
+      end
     end
   end
 end

lib/fog/openstack/storage.rb

@@ -1,5 +1,3 @@
-
-
 module Fog
   module OpenStack
     class Storage < Fog::Service
@@ -13,7 +11,7 @@ class Storage < Fog::Service
                  :openstack_project_name, :openstack_project_id, :openstack_cache_ttl,
                  :openstack_project_domain, :openstack_user_domain, :openstack_domain_name,
                  :openstack_project_domain_id, :openstack_user_domain_id, :openstack_domain_id,
-                 :openstack_identity_api_version, :openstack_temp_url_key
+                 :openstack_identity_api_version, :openstack_temp_url_key, :openstack_storage_url
 
       model_path 'fog/openstack/storage/models'
       model       :directory
@@ -55,7 +53,16 @@ def require_mime_types
               Fog::Logger.warning("'mime-types' missing, please install and try again.")
               exit(1)
             end
-          end
+        end
+
+        def setup(options)
+          @openstack_storage_url = options[:openstack_storage_url]
+          super
+        end
+
+        def management_url(token)
+          @openstack_storage_url || super
+        end
       end
 
       class Mock