The nova-config.sh script was exiting because of incorrect shell syntax.
The correct syntax for a regex search is
[[ haystack =~ needle ]]. The .*needle.* is unnecessary. I think this shell
script exited because a period was missing.
Change-Id: I3aca5e0729eb5fedbe9ecb4d75ed85d5a1c7815a
095fbd7d7c