Create kvm domain + vol and debootstrap

Config

pool: crypt
volumes:
 - name: root
   mount: /
   fs: ext4
   size: 10G

1. Create kvm volumes virsh vol-create-as pool-or-uuid name capacity
2. Format volumes filesystem
3. Create tmpdir for debootstrap
4. Mount kvm volumes for debootstrap
5. debootstrap
6. place authorized key
7. create domain