parameterise upgrade job with upgrade_from_release

Change-Id: Iea324ae8c727b9072020a7cdfe1259d1902e9727
3 files changed
tree: cd45526c3fa3253a9d11d3e0bc6efd9468e38d60
  1. jjb/
  2. .gitignore
  3. .gitreview
  4. .yamllint
  5. tox.ini