parser.rb in facter-4.0.21

- old
+ new

@@ -2,11 +2,10 @@
 
 # This class acts as the factory and parent class for parsed
 # facts such as scripts, text, json and yaml files.
 #
 # Parsers must subclass this class and provide their own #results method.
-require 'yaml'
 
 module LegacyFacter
   module Util
     module Parser
       @parsers = []
@@ -91,12 +90,21 @@
           end
           result
         end
       end
 
+      # This regex was taken from Psych and adapted
+      # https://github.com/ruby/psych/blob/d2deaa9adfc88fc0b870df022a434d6431277d08/lib/psych/scalar_scanner.rb#L9
+      # It is used to detect Time in YAML, but we use it to wrap time objects in quotes to be treated as strings.
+      TIME =
+        /(\d{4}-\d{1,2}-\d{1,2}(?:[Tt]|\s+)\d{1,2}:\d\d:\d\d(?:\.\d*)?(?:\s*(?:Z|[-+]\d{1,2}:?(?:\d\d)?))?\s*$)/.freeze
+
       class YamlParser < Base
         def parse_results
-          YAML.safe_load(content)
+          # Add quotes to Yaml time
+          cont = content.gsub(TIME, '"\1"')
+
+          YAML.safe_load(cont, [Date])
         end
       end
 
       register(YamlParser) do |filename|
         extension_matches?(filename, 'yaml')