honor the multiple configuration methods that does

config/initializers/mongo.rb

@@ -1,5 +1,9 @@
 module Mongo
   class << self
+
+    # Looks for configuration files in this order
+    CONFIGURATION_FILES = ["central_logger.yml", "mongoid.yml", "database.yml"]
+
     def db
       @db ||= configure
     end
@@ -9,11 +13,11 @@ def collection
     end
 
     def configure
-      config_file = Rails.root.join("config", "database.yml")
-      config = YAML.load(ERB.new(config_file.read).result)[Rails.env]
-      config = { 'host' => 'localhost',
-                 'port' => '27017' }.merge(config)
-      @collection = config["collection"]
+      @collection = "#{Rails.env}_log"
+      config = {
+        'host' => 'localhost',
+        'port' => 27017 }.merge(resolve_config)
+        
       db = Mongo::Connection.new(config['host'], config['port'], :auto_reconnect => true).db(config['database'])
 
       if config['username'] && config['password']
@@ -22,6 +26,19 @@ def configure
       end
       db
     end
+
+    def resolve_config
+      config = {}
+      CONFIGURATION_FILES.each do |filename|
+        config_file = Rails.root.join("config", filename)
+        if config_file.file?
+          config = YAML.load(ERB.new(config_file.read).result)[Rails.env]
+          config = config['mongo'] if config.has_key?('mongo')
+          break
+        end
+      end
+      config
+    end
+
   end
 end
-