lib/facter/interfaces.rb


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# interfaces.rb
# Try to get additional Facts about the machine's network interfaces
#
# Original concept Copyright (C) 2007 psychedelys <psychedelys@gmail.com>
# Update and *BSD support (C) 2007 James Turnbull <james@lovedthanlost.net>
#

require 'facter/util/ip'

# Note that most of this only works on a fixed list of platforms; notably, Darwin
# is missing.

Facter.add(:interfaces) do
    confine :kernel => Facter::Util::IP.supported_platforms
    setcode do
        Facter::Util::IP.get_interfaces.collect { |iface| Facter::Util::IP.alphafy(iface) }.join(",")
    end
end

Facter::Util::IP.get_interfaces.each do |interface|

    # Make a fact for each detail of each interface.  Yay.
    #   There's no point in confining these facts, since we wouldn't be able to create
    # them if we weren't running on a supported platform.
    %w{ipaddress ipaddress6 macaddress netmask}.each do |label|
        Facter.add(label + "_" + Facter::Util::IP.alphafy(interface)) do
            setcode do
                Facter::Util::IP.get_interface_value(interface, label)
            end
        end
    end
end