yum -y install python-devel libffi-devel bzip2-devel bzip2
pip install cffi
git clone git://github.com/openstack/packstack.git
cd packstack && sudo python setup.py install
yum -y install python-devel libffi-devel bzip2-devel bzip2
pip install cffi
git clone git://github.com/openstack/packstack.git
cd packstack && sudo python setup.py install