{
    "servers":
    [
	{
	    "server":"192.168.0.1",
	    "zone":"ZTG",
	    "resources":
	    {
		"cpu": 100,
		"memory": 100
	    }
	},
	{
	    "server":"192.168.0.2",
	    "zone":"ZTG",
	    "resources":
	    {
		"cpu": 100,
		"memory": 100
	    }
	},
	{
	    "server":"192.168.1.1",
	    "zone":"ZUI",
	    "resources":
	    {
		"cpu": 100,
		"memory": 100
	    }
	},
	{
	    "server":"192.168.1.2",
	    "zone":"ZUI",
	    "resources":
	    {
		"cpu": 100,
		"memory": 100
	    }
	},
	{
	    "server":"192.168.2.1",
	    "zone":"SZ",
	    "resources":
	    {
		"cpu": 100,
		"memory": 100
	    }
	},
	{
	    "server":"192.168.2.2",
	    "zone":"SZ",
	    "resources":
	    {
		"cpu": 100,
		"memory": 100
	    }
	}
    ],
    "units":
    [
	{"tenant":"t1", "cpu": 20, "memory": 10, "num": 16},
	{"tenant":"t2", "cpu": 10, "memory": 20, "num": 16}
    ]
}