lib/cloudstrap/amazon/ec2.rb in cloudstrap-0.30.3.pre vs lib/cloudstrap/amazon/ec2.rb in cloudstrap-0.30.11.pre

@@ -375,9 +375,29 @@
           .select { |tag| type.nil? || tag.resource_type == type }
           .select { |tag| tag.key == (key || 'Name') }
           .select { |tag| value.nil? || tag.value == value }
       end
 
+      Contract None => ArrayOf[::Aws::EC2::Types::Region]
+      def regions
+        @regions ||= regions!
+      end
+
+      Contract None => ArrayOf[::Aws::EC2::Types::Region]
+      def regions!
+        @regions = call_api(:describe_regions).regions
+      end
+
+      Contract None => ArrayOf[String]
+      def region_names
+        regions.map(&:region_name)
+      end
+
+      Contract String => Bool
+      def valid_region?(region_name)
+        region_names.include? region_name
+      end
+
       private
 
       def client
         Aws::EC2::Client
       end