7 commits

Author	SHA1	Message	Date
Chris Lu	b95c9860ed	interface and default implementation for node	2012-09-02 14:33:48 -07:00
Chris Lu	8d0ea07f5f	loading from json setup in tests	2012-08-31 01:35:11 -07:00
Chris Lu	f7adf1687f	reduce duplicated code by using a tree of Node	2012-08-29 00:58:03 -07:00
Chris Lu	97e4a1d6eb	add code to randomly select one new volume to grow	2012-08-28 01:04:39 -07:00
Chris Lu	869a6711bc	change data center id from integer to string	2012-08-23 23:35:30 -07:00
Chris Lu	03f4c0b832	adding topology related types	2012-08-23 22:33:37 -07:00
Chris Lu	0121f35c12	starting a shell	2012-08-23 20:56:09 -07:00