Module: Xhyve::DHCP

Defined in:
lib/xhyve/dhcp.rb

Constant Summary collapse

LEASES_FILE = 
'/var/db/dhcpd_leases'

Class Method Summary collapse

Class Method Details

.get_ip_for_mac(mac) ⇒ Object 



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# File 'lib/xhyve/dhcp.rb', line 4

def self.get_ip_for_mac(mac)
  contents = File.read(ENV['LEASES_FILE'] || LEASES_FILE)
  pattern = contents.match(/ip_address=(\S+)\n\thw_address=\d+,#{mac}/)
  if pattern
    addrs = pattern.captures
    addrs.first if addrs
  end
end