Add primitive Fluentd::Configuration class

app/models/fluentd.rb

@@ -92,7 +92,7 @@ class Fluentd
   end
 
   def config
-    File.read config_file # TODO: Use Fluent::Engine or Fluent::V1Config
+    ::Fluentd::Configuration.new(config_file)
   end
 
   private

app/models/fluentd/configuration.rb

@@ -0,0 +1,33 @@
+require 'fluent/config/v1_parser'
+
+class Fluentd
+  class Configuration
+    include Enumerable
+
+    attr_reader :file
+
+    def initialize(config_file)
+      @file = config_file
+    end
+
+    def config
+      @config ||= ::Fluent::Config::V1Parser.read(file)
+    end
+
+    def to_s
+      config.to_s.gsub(/\A<ROOT>\n/, "").gsub(/<\/ROOT>\n\z/, "").gsub(/^ {2}/, "")
+    end
+
+    def each(&block)
+      config.each_element(&block)
+    end
+
+    def sources
+      find_all{|e| e.name == "source"}
+    end
+
+    def matches
+      find_all{|e| e.name == "match"}
+    end
+  end
+end