How to get the DRAC IP address from the localhost

I believe what you're looking for is this:

[root]# racadm getniccfg
NIC Enabled = 1
DHCP Enabled = 0
IP Address = 192.168.0.120
Subnet Mask = 255.255.255.0
Gateway = 192.168.0.1

(Note, above settings are the defaults for DRAC)