Rework install script to use functions from gerrit

To avoid exceeding configdrive limit move download functons
as a library from gerrit.

Related-Prod: PRODX-3456
Change-Id: I38c8dbff5818fd3362e653ad8b1caa913580d1ec
12 files changed
tree: 0456075d96be52006c8334f40a7c663d0ef0dd7a
  1. de/
  2. kubevirt/
  3. mosk-images/
  4. trymos/
  5. .gitignore
  6. .gitreview
  7. tox.ini