CLOUDSTACK-4499: Wait until hosts are up before adding storage pools
CLOUDSTACK-4499: Wait until hosts are up before adding storage pools

This works around the delay caused in adding Xen 6.1/6.2 hosts where
host takes two attempts to transition to Up state. We will wait for one
minute per cluster before attempting to add storage pool in the cluster.

Signed-off-by: Prasanna Santhanam <82219615980488abd2acc1a3d71cfb58f0b2b8b6@apache.org>
(cherry picked from commit 22ee499c3571b2a6b6921abb36c679128893c415)

mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver,mufaddalq/cloudstack-datera-driver