lib/stackster/stack/stack_creater.rb in stackster-0.1.3 vs lib/stackster/stack/stack_creater.rb in stackster-0.2.0

@@ -6,13 +6,24 @@
     def initialize(args)
       @config = args[:config]
       @entry = args[:entry]
       @name = args[:name]
       @template = read_template_from_file args[:template_file]
-      @cf = AWS::CloudFormation.new :config => @config
     end
 
+    def create
+      cloud_formation.create :name => @name,
+                             :parameters => read_parameters_from_entry,
+                             :template => @template
+    end
+
+    private
+
+    def cloud_formation
+      @cf ||= AWS::CloudFormation.new :config => @config
+    end
+
     def read_template_from_file(template_file)
       file = File.open template_file
       file.read
     end
 
@@ -21,19 +32,14 @@
       t['Parameters'] ? t['Parameters'].keys : []
     end
 
     def read_parameters_from_entry
       h = {}
+      attributes = @entry.attributes
       read_parameters_from_template.each do |p|
-        h[p] = @entry.attributes[p] if @entry.attributes[p]
+        h[p] = attributes[p] if attributes[p]
       end
       h
-    end
-
-    def create
-      @cf.create :name => @name,
-                 :parameters => read_parameters_from_entry,
-                 :template => @template
     end
 
   end
 end