gistfile1.txt

# This fact will spit out the e1000 devices that we know have a driver problem.
#
# There are no dependencies needed for this script, except for lspci.

case Facter.value(:operatingsystem)
  when /Debian|Ubuntu/i
    lspci = "/usr/bin/lspci"
  when /RedHat|CentOS|Fedora|Scientific|SLES/i
    lspci = "/sbin/lspci"
  else
    lspci = ""
end

# We can't do this if we don't know the location of lspci
if !lspci.empty? and FileTest.exists?(lspci)
  # Create a hash of ALL PCI devices, the key is the PCI slot ID.
  # { SLOT_ID => { ATTRIBUTE => VALUE }, ... }
  slot=""
  # after the following loop, devices will contain ALL PCI devices and the info returned from lspci
  devices = {}
  %x{#{lspci} -v -mm -D -n}.each_line do |line|
    if not line =~ /^$/ # We don't need to parse empty lines
      splitted = line.split(/\t/)
      # lspci has a nice syntax:
      # ATTRIBUTE:\tVALUE
      # We use this to fill our hash
      if splitted[0] =~ /^Slot:$/
        slot=splitted[1].chomp
        devices[slot] = {}
      else
        # The chop is needed to strip the ':' from the string
        devices[slot][splitted[0].chop] = splitted[1].chomp
      end
    end
  end
  device = ""
  devices.each_key do |a|
    case devices[a].fetch("Vendor")
    when /^8086/
      if devices[a].fetch("Device") =~ /(^153a|^1096)/
        device = "#{device}," + Dir.entries("/sys/bus/pci/devices/#{a}/net").select {|f| !File.directory? f}[0]
      end
    end
  end
  Facter.add(:e1000problems) do
    setcode do
      Facter.value(:device)
      device.split(',')
    end
  end  
end