Add IPv6 rule creation to validation resources

This commit adds a stage for creating ipv6 security group rules if
ip_version_for_ssh is set to 6. Previously, we would only create the
ipv4 rules even if we knew that ipv6 was going to be used for ssh.

Co-Authored-By: Chris Lee <chris.lee@dreamhost.com>
Change-Id: I1a27babf772481f4651c55d9cd2e3c9efa12da32
Closes-Bug: #1593416
1 file changed