Boot a VM using libvirt, based on https://www.cyberciti.biz/faq/how-to-install-kvm-on-centos-7-rhel-7-headless-server/

bash_history_cmds

 36  wget http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2
   37  ls
   38  cd ..
   39  cd images/
   40  ls
   41  mkdir packstack
   42  cd packstack/
   43  vi meta-data
   44  ssh-keygen 
   45  vi user-data
   46  cp ../../boot/CentOS-7-x86_64-GenericCloud.qcow2 .
   47  ls
   48  mc CentOS-7-x86_64-GenericCloud.qcow2 packstack.qcow2
   49  mv CentOS-7-x86_64-GenericCloud.qcow2 packstack.qcow2
   50  export LIBGUESTFS_BACKEND=direct
   51  df -h
   52  qemu-img create -f qcow2 -o preallocation=metadata packstack.image.new 20G
   53  ls -la
   54   virt-resize --quiet --expand /dev/sda1 packstack.qcow2 packstack.image.new 
   55  ls .lha
   56  ls -lha
   57  mv packstack.image.new packstack.qcow2 
   58  mkisofs -o packstack-cidata.iso -V cidata -J -r user-data meta-data
   59  ls -lha
   60  virsh pool-create-as --name packstack --type dir --target /var/lib/libvirt/images/packstack
   61  ls
   62  virt-install --import --name packstack --memory 10000 --vcpus 2 --cpu host --disk packstack.qcow2,format=qcow2,bus=virtio --disk packstack-cidata.iso,device=cdrom --network bridge=virbr0,model=virtio --os-type=linux --os-variant=centos7.0 --graphics spice --noautoconsole
   63  virsh net-dhcp-leases default
   64  virsh list
   65  virsh list --all
   66  ssh [email protected]
   67  cat /etc/hosts
   68  vi /etc/hosts
   69  ssh packstack
   70  ssh centos@packstack
   71  virsh autostart packstack

meta-data

instance-id: packstack
local-hostname: packstack

user-data

#cloud-config
 
# Configure where output will go
output:
  all: ">> /var/log/cloud-init.log"
 
# Install my public ssh key to the first user-defined user configured
# in cloud.cfg in the template (which is centos for CentOS cloud images)
ssh_authorized_keys:
  - ssh-rsa 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...
  - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDAPyLHXhyju8OYfAdqTscxHmwGWbEoOOFggf1OFA4SfSmxjAepavKR61z0hfWXP0j0uuf9SY/tR2eXLHB9/+GrjYkQZLGAjV1lvJPPQnnYvlz4ak5rIynNGPiw45RIDeug51QWkDdJ4j3/TTYR+3H17XaQZjatDKmMo6DmTcs+C6BUh1H8QzkHt2267WEzyXldv8n7tiHnK9GyBBVxKFtwYjZ/D6EDkOoEmGsxvmKNnGIkF/5RNuhE8g66pTBrX/+AWbrmHBUdVMuMlpDYtVdadV8phOtYeovbZvcHqKxMMic...
 
# set timezone for VM
timezone: Europe/Prague
 
# Remove cloud-init 
runcmd:
  - systemctl stop network && systemctl start network
  - yum -y remove cloud-init