openstack storage: add possibility to set publicity to containers

lib/fog/openstack/models/storage/directory.rb

@@ -9,6 +9,8 @@ module Fog
 
         attribute :bytes, :aliases => 'X-Container-Bytes-Used'
         attribute :count, :aliases => 'X-Container-Object-Count'
+        
+        attr_accessor :public
 
         def destroy
           requires :key
@@ -27,17 +29,13 @@ module Fog
           end
         end
 
-        def public=(new_public)
-          @public = new_public
-        end
-
         def public_url
           raise NotImplementedError
         end
 
         def save
           requires :key
-          service.put_container(key)
+          service.put_container(key, :public => @public)
           true
         end
       end

lib/fog/openstack/requests/storage/put_container.rb

@@ -7,11 +7,14 @@ module Fog
         # ==== Parameters
         # * name<~String> - Name for container, should be < 256 bytes and must not contain '/'
         #
-        def put_container(name)
+        def put_container(name, options={})
+          headers = options[:headers] || {}
+          headers['X-Container-Read'] = '.r:*' if options[:public]
           request(
             :expects  => [201, 202],
             :method   => 'PUT',
-            :path     => Fog::OpenStack.escape(name)
+            :path     => Fog::OpenStack.escape(name),
+            :headers  => headers
           )
         end
       end