dnsmasq dhcp lease watch by inotify

hook.py

import dbus
dnsmasq = dbus.SystemBus().get_object("uk.org.thekelleys.dnsmasq", "/uk/org/thekelleys/dnsmasq")
dnsmasq.AddDhcpLease("192.168.0.12","00:11:22:33:44:55",dbus.ByteArray(),dbus.ByteArray(),dbus.UInt32(5),dbus.UInt32(0),False)
dnsmasq.DeleteDhcpLease("192.168.0.12")

listener.py

import eventlet_inotifyx as inotify

fd = inotify.init()
wd = inotify.add_watch(fd, "/var/run/dnsmasq/lease.txt")
while True:
	for ev in inotify.get_events(fd):
		if ev.wd == wd:
			print(ev)

Vagrantfile

Vagrant.configure("2") do |config|
  config.vm.box = "minimal/xenial64"
  config.vm.provision "file", source: "listener.py", destination: "listener.py"
  config.vm.provision "file", source: "hook.py", destination: "hook.py"
  config.vm.provision "shell", inline: <<-SHELL
    apt-get update
    apt-get install -y python-pip python-dbus dnsmasq
    pip install eventlet-inotifyx
    echo "enable-dbus" >> /etc/dnsmasq.d/ix.conf
    echo "dhcp-range=192.168.0.2,192.168.0.31" >> /etc/dnsmasq.d/ix.conf
    echo "dhcp-leasefile=/var/run/dnsmasq/lease.txt" >> /etc/dnsmasq.d/ix.conf
    systemctl restart dnsmasq
  SHELL
end