By design the legacy instack passwords file should only be used when doing upgrades from instack undercloud to containerized undercloud. And it probably should not fail, but only warning? So new passwords will be generated in the upgrade process. (667571)

By design the legacy instack passwords file should only be used when doing upgrades from instack undercloud to containerized undercloud. And it probably should not fail, but only warning? So new passwords will be generated in the upgrade process. (667571) · Gerrit Code Review