######## the fact file -> /etc/puppet/modules/custom/lib/facter/year_month.rb

# hardware_platform.rb

Facter.add("hardware_platformz") do
        setcode do
                %x{/bin/uname -i}.chomp
        end
end

######## Added to puppet

confpluginsync = true
#factpath = $vardir/lib/facter
factpath = /etc/puppet/modules/custom/lib/facter

######## Tried:

# facter |grep hardw
hardwareisa => x86_64
hardwaremodel => x86_64