Module: Cornflake::MacAddress

Defined in:
lib/cornflake/mac.rb

Constant Summary collapse

RE = 
%r/(?:[^:\-]|\A)(?:[0-9A-F][0-9A-F][:\-]){5}[0-9A-F][0-9A-F](?:[^:\-]|\Z)/io

Class Method Summary collapse

Class Method Details

.find ⇒ Object 



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# File 'lib/cornflake/mac.rb', line 7

def self.find
  cmds = '/sbin/ifconfig', '/bin/ifconfig', 'ifconfig', 'cat /sys/class/net/*/address'

  cmds.each do |cmd|
    mac = parse_mac_output(`#{cmd}`)
    return mac if mac
  end

  # Not found; randomize a mac address
  SecureRandom.hex(6).scan(/.{2}/).join(':')
end