install single vm node centos7 openstack using packstack

launch centos7 vm from vagrant Assume you use msys/cygwin shell on win or shell on OSX, we download centos7 Vagrant template and customized to vm for one single vm node openstack test. vm hostname: ctopenstack vm cpu: 2 vm memory: 6GB 1 NIC: NAT 2 NIC: hostonly 10.120.0.21 mkdir -p …