so we can avoid the warnings like
grep: Unmatched ( or \(
because we pass the whitelisted string to `egrep -v "$1"` directly.
Signed-off-by: Kefu Chai <kchai@redhat.com>
The Ubuntu Xenial python implementation throws numerious (false) errors
deep within python. Since we are only interested in errors within our
rbd wrapper, restrict the environment.
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
