Updated mcollective.init according to OSCI-658

[packages/precise/mcollective.git] / plugins / mcollective / aggregate / average.rb

diff --git a/plugins/mcollective/aggregate/average.rb b/plugins/mcollective/aggregate/average.rb
new file mode 100644 (file)
index 0000000..5e56d2e
--- /dev/null
+++ b/plugins/mcollective/aggregate/average.rb
@@ -0,0 +1,29 @@
+module MCollective
+  class Aggregate
+    class Average<Base
+      # Before function is run processing
+      def startup_hook
+        @result[:value] = 0
+        @result[:type] = :numeric
+
+        @count = 0
+
+        # Set default aggregate_function if it is undefined
+        @aggregate_format = "Average of #{@result[:output]}: %f" unless @aggregate_format
+      end
+
+      # Determines the average of a set of numerical values
+      def process_result(value, reply)
+        @result[:value] += value
+        @count += 1
+      end
+
+      # Stops execution of the function and returns a ResultObject
+      def summarize
+        @result[:value] /= @count
+
+        result_class(:numeric).new(@result, @aggregate_format, @action)
+      end
+    end
+  end
+end