Puppet Module : No Code In Data ~ create Facts using URL, File or any System Computation

git.pp

# $MODULEPATH/httpd/manifests/git.pp 

class httpd::git {

  file {
    "${::conf_dir}/git.conf":
      ensure  => 'present',
      content => template('httpd/mynode.conf.erb'),
  }
}

httpd_facts.rb

# $MODULEPATH/httpd/lib/facter/httpd_facts.rb

require 'facter'

###
## data from url, system file or any task/computation can be assigned here for facters

facters = {
            :conf_dir => '/etc/httpd/conf.d',
            :is_cgi   => true,
            :git_path => '/var/www/git',
            :git_url  => '/mygit'
          }
##
###

facters.each_pair do |key, value|
  Facter.add(key) do
    setcode do
      value
    end
  end
end

mynode.conf.erb

# $MODULEPATH/httpd/templates/mynode.conf.erb

Alias <%= git_url %> <%= git_path %>

<Directory <%= git_path %>>
<% if is_cgi === 'true' %>    # because in Facts any (boolean) value is kept as string
  Options +ExecCGI
  AddHandler cgi-script .cgi
  DirectoryIndex gitweb.cgi
  <% end %>
</Directory>

run_puppet.sh

puppet apply --modulepath=$MODULEPATH -e "include httpd::git"