Puppet users - Jun 2014 - how to create custom application facts

Hi I am trying to create custom application facts to create hierarchy for 
my environment
 
database
│   └── testing
│       ├── default.yaml
│       └── dot-idb-spr-t01.ddc.dot.state.ma.us.yaml
├── defaults.yaml
├── global.yaml
├── hp-extreme
│   ├── dev
│   ├── dev1
│   ├── dev2
│   ├── dev3
│   ├── patch
│   ├── pristine
│   ├── test
│   ├── test1
│   ├── test2
│   ├── test3
│   └── training
├── ibm_id
│   ├── dev
│   ├── dev1
│   ├── dev2
│   └── dev3
├── ibm_rational
├── informatica
│   ├── dev
│   ├── dev1
│   ├── dev2
│   ├── dev3
│   ├── patch
│   ├── pristine
│   ├── test
│   ├── test1
│   ├── test2
│   ├── test3
│   └── training
├── keys
│   ├── private_key.pkcs7.pem
│   └── public_key.pkcs7.pem
├── oracle
│   ├── dev
│   │   ├── default.yaml
│   │   └── rmv-pap-spr-d01.dot.state.ma.us.yaml
│   ├── dev1
│   ├── dev2
│   ├── dev3
│   ├── patch
│   ├── pristine
│   ├── test1
│   ├── test2
│   ├── test3
│   ├── testing
│   │   ├── default.yaml
│   │   ├── dot-fap-spr-t01.local.yaml_backup1
│   │   ├── dot-wap-spr-t03.local.yaml
│   │   └── puppet-admin.rmv-map-spr-t05.dot.state.ma.us.yaml
│   └── training
├── puppet
│   └── development
│       ├── default.yaml
│       ├── dot-pap-spr-d01.local.yaml
│       ├── dot-pap-spr-d03.local.yaml
│       └── dot-pdb-spr-d02.local.yaml
└── testing
    └── dot-fap-spr-t01.local
 
 
According to this  I wrote a custom facts. but it is not working help me
 
more application_type.rb
require 'rexml/document'
require 'facter'
 Facter.add(:application_type) do
   confine :hostname => 'hostname'
  setcode do
    application_installed = Facter::Core::Execution.exec('hostname -f')
     if application_installed == "/f/e/w/x/b/o/"
      print "oracle"
    elsif application_installed == "db"
     print "database"
    elsif application_installed == "/r/i/"
     print "ibm"
   elsif application_installed == "/a/q/"
    print "informatica"
else
  print "puppet"
end
end
end
I am trying to identify application type based on hostname.
 
Please help me

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