Set my_ip in cinder.conf
Set my_ip in cinder.conf

Cinder uses my_ip config option to provide iscsi_targets. It gets
defaulted to the IP of the first interface in the system, which is fine
for some cases, but for example with Vagrant first interface can be used
only to contact with host machine.

To get over it we should set my_ip to HOST_IP from local.conf and this
commit implements that.

Change-Id: I4d2960d92f388ac689dfa6b436dc8bfc1e129fbf
Closes-Bug: 1588825

richliu/devstack,nawawi/openstack,bswartz/devstack,richliu/devstack,nawawi/openstack,openstack-dev/devstack,noironetworks/devstack,openstack-dev/devstack,dtroyer/devstack,dtroyer/devstack,noironetworks/devstack,group-policy/devstack,group-policy/devstack,bswartz/devstack