[CORD-3083]v2 Fix scripts to pass shellcheck

This also paramterizes the username on remote systems

Made invoking copy-ssh-keys.sh optional, as it isn't
required if the user has already distributed keys.

Change-Id: I8d35af47281b77ab0b36bb4cd31a136e850ab0e2
4 files changed
tree: 2257791f71f0305d57e8649db30880ebde9d6396
  1. .gitreview
  2. developer/
  3. kubespray-installer/
  4. openstack-helm/
  5. scripts/