Using set -e in all of our scripts will prevent some subtle bugs
from slipping in, and will allow us to enforce use of set -e with
tooling.
This change also adds -u and set -o pipefail in the less complex
scripts where it is unlikely to cause problems. A follow-up change
will enable those options in the complex scripts so that if it
breaks something it can be reverted easily.
Change-Id: I0ad358ccb98da7277a0ee2e9ce8fda98438675eb
I3166951c6fbb2faec53ffc339edd2fd0c3512300 recently landed without two
fixes that I suggested, namely using rm -f rather than testing for
file existance, and a comment fix.
Change-Id: I68e187e20802f3482d4c524a6c435fec7526178e
Moves the code that removes default cloud interfaces
into the dhcp-all-interfaces element. Having it live in
stable-interface-names won't work right now because we
need this for virtualized testing.
Change-Id: I3166951c6fbb2faec53ffc339edd2fd0c3512300
