Execute Vagrant read command.
		
		:param list cmd_args:
		   Command argument list.

def read(self, cmd_args):
	
		"""
		Execute Vagrant read command.
		
		:param list cmd_args:
		   Command argument list.
		"""
		
		args = [
			"vagrant",
			"--machine-readable"
		]
		args.extend(cmd_args)
		proc = subprocess.Popen(args, stdout=subprocess.PIPE)
		for line in proc.stdout.readlines():
			if len(line) == 0:
				break
			yield line.decode("UTF-8").rsplit(",")
		proc.wait()