Puppet users - May 2014 - Facter resolved to an invalid value

On some CentOS servers we started to receive an error:

Fact resolution fact='env', resolution='<anonymous>'
resolved to an invalid
value: Expected prod to be one of [Integer, Float, TrueClass, FalseClass, 
NilClass, String, Array, Hash], but was Symbol

Custom fact script:

Facter.add('env') do
  setcode do
    case Facter.value(:ipaddress)
    when /^172.22.1.*$/
      :dev
    when /^10.1.2.*$/
      :prod
    else
      :default
    end
  end
end


Happened after IP address was changed on the server, machine was restarted.

Have not idea what to fix.


Best regards,

Viktor

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