
We will create new grenade gate that ensure upgrading procedures from pool-manager-->worker and pool-manager-->pool-manager by setting $DESIGNATE_ENABLED_WORKER_MODEL variable. Co-Authored-By: Hieu LE <hieulq@vn.fujitsu.com> Co-Authored-By: Nguyen Van Trung <trungnv@vn.fujitsu.com> Change-Id: I5e220738a18422a28a3384db1ab671ea111ac9b2 Signed-off-by: Graham Hayes <gr@ham.ie>