Implement schedule_prep_resize() in the distributed scheduler. Adds a request_spec argument to enable the current host of an instance to be excluded for resizes. Corrects bug 888236. Change-Id: Ia52415e79639275a06bef59f1e13ca64bf7243ee
Implement schedule_prep_resize() in the distributed scheduler. Adds a request_spec argument to enable the current host of an instance to be excluded for resizes. Corrects bug 888236. Change-Id: Ia52415e79639275a06bef59f1e13ca64bf7243ee