lib/simple_deploy/cli/attributes.rb in simple_deploy-0.4.7 vs lib/simple_deploy/cli/attributes.rb in simple_deploy-0.4.8

@@ -1,38 +1,63 @@
 require 'trollop'
 
 module SimpleDeploy
   module CLI
+
     class Attributes
       def show
-        opts = Trollop::options do
+        @opts = Trollop::options do
           version SimpleDeploy::VERSION
           banner <<-EOS
 
 Show attributes for stack.
 
 simple_deploy attributes -n STACK_NAME -e ENVIRONMENT
 
 EOS
           opt :help, "Display Help"
+          opt :as_command_args,
+              "Displays the attributes in a format suitable for using on the command line"
           opt :environment, "Set the target environment", :type => :string
           opt :log_level, "Log level:  debug, info, warn, error", :type    => :string,
                                                                   :default => 'info'
           opt :name, "Stack name to manage", :type => :string
         end
 
-        CLI::Shared.valid_options? :provided => opts,
+        CLI::Shared.valid_options? :provided => @opts,
                                    :required => [:environment, :name]
 
-        config = Config.new.environment opts[:environment]
+        @opts[:as_command_args] ? command_args_output : default_output
+      end
 
-        logger = SimpleDeployLogger.new :log_level => opts[:log_level]
+      private
+      def attribute_data
+        Hash[stack.attributes.sort]
+      end
 
-        stack = Stack.new :environment => opts[:environment],
-                          :name        => opts[:name],
-                          :config      => config,
-                          :logger      => logger
-        Hash[stack.attributes.sort].each_pair { |k, v| puts "#{k}=#{v}" }
+      def command_args_output
+        puts attribute_data.map { |k, v| "-a #{k}=#{v}" }.join(' ')
       end
+
+      def config
+        @config ||= Config.new.environment @opts[:environment]
+      end
+
+      def default_output
+        attribute_data.each_pair { |k, v| puts "#{k}=#{v}" }
+      end
+
+      def logger
+        @logger ||= SimpleDeployLogger.new :log_level => @opts[:log_level]
+      end
+
+      def stack
+        @stack = Stack.new :environment => @opts[:environment],
+                           :name         => @opts[:name],
+                           :config       => config,
+                           :logger       => logger
+      end
+
     end
+
   end
 end