Make queue scripts more robust

# Even though the server is created we need to wait for the cloud-init scripts to finish running before creating a snapshot

# Wait for SSH to be usable.

until openstack console log show ${VM_UUID} | grep "Reached target Cloud-init target" > /dev/null 2>&1; do

until openstack console log show ${VM_UUID} | grep "running 'modules:final'" > /dev/null 2>&1; do

  spin_me_right_round

done

echo -ne "\b"

sleep 60

VM_IP=$(openstack server show -c addresses --format value ${VM_UUID} | sed -e "s/^or_provider_general_extnetwork1=//")