tree 5764b398f633fda6063ae61fc0f9ffaeebc36db1
parent f0bf4025e480e8110be920ec5ec260467899fc2b
author Hung-Wei Chiu <hungwei@opennetworking.org> 1618435208 -0700
committer Hung-Wei Chiu <hungwei@opennetworking.org> 1619048254 -0700
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Update Jenkins executors to Ubuntu 18.04

- Upgrade global jjb to v0.57.4
- Upgrade packer to v0.7.0
- Use the Ansible approach to install most required services

Change-Id: I1a56db63e14d847971131eef96828004c6ae4478