on deploy host:
在deploy host上安装 Ubuntu Server 14.04 (Trusty Tahr) LTS 64-bit
# apt-get install aptitude build-essential git ntp ntpdate
openssh-server python-dev sudo
Configure NTP
# git clone -b TAG
https://github.com/openstack/openstack-ansible.git /opt/openstack-ansible
$ Export ANSIBLE_GIT_RELEASE=kilo
#sudo scripts/bootstrap-ansible.sh