~veebers/juju-ci-tools/migration-add-migrate-back-to-original

#!/bin/bash
set -eu
instance_name=''
echo -n Waiting for instance name >&2
while [ -z "$instance_name" ]; do
  sleep 1
  instance_name=$(euca-describe-instances $1|sed '/^INSTANCE/!d'|cut -f 4)
  echo -n . >&2
done
echo >&2
echo $instance_name