f18-quick-libvirt-guest.bash

# quickly bring up a Fedora 18 image.  root on host OS should be able
# to ssh into the guest without a password.
# assumption: libvirtd already running

sudo sh -c "cd /var/lib/libvirt/images/
if [ ! -f Fedora18-Cloud-x86_64-20130115.qcow2 ]; then
  wget http://mattdm.fedorapeople.org/cloud-images/Fedora18-Cloud-x86_64-20130115.qcow2
else
  echo Fedora18-Cloud-x86_64-20130115.qcow2 already present.
fi
"

sudo virsh dominfo f18cloud >/dev/null 2>&1
if [ $? -eq 0 ]; then
  echo f18cloud already exists.  exiting
  exit 0
fi
sudo virt-install --connect qemu:///system --ram 1024 -n f18cloud -r 2048 --os-type=linux --os-variant=fedora18  --disk path=/var/lib/libvirt/images/Fedora18-Cloud-x86_64-20130115.qcow2,device=disk,bus=virtio,format=qcow2 --vcpus=2 --vnc --noautoconsole --import

sudo virsh destroy f18cloud
sleep 10

sudo sh -c "if [ ! -f /root/.ssh/id_rsa.pub ]; then ssh-keygen -t rsa -N '' -f /root/.ssh/id_rsa ; fi"

sudo mkdir -p /mnt/f18cloud

sudo guestmount -a /var/lib/libvirt/images/Fedora18-Cloud-x86_64-20130115.qcow2 -i /mnt/f18cloud
sudo cp -f /root/.ssh/id_rsa.pub /mnt/f18cloud/root/.ssh/authorized_keys
sudo umount /mnt/f18cloud

sleep 10
sudo virsh start f18cloud