savefacts.rb

#!/opt/puppetlabs/puppet/bin/ruby

require 'json'

puppet = '/opt/puppetlabs/bin/puppet'
today = %x(date +%Y-%m-%d).chomp

nodes_json = JSON.parse(%x(#{puppet} query 'nodes[certname] { deactivated is null }'))
nodes_list = nodes_json.map { |n| n.values }.flatten

nodes_list.each { |node|
  puts "Saving #{node} facts to disk"
  %x(mkdir -p #{node})
  #facts = %x(#{puppet} query 'facts[name, value] { certname = "#{node}" }')
  facts = %x(#{puppet} query 'facts[] { certname = "#{node}" }')
  outfile = "#{node}/#{node}-#{today}.json"
  open(outfile, 'w') { |out| out.print facts }
}