Application credentials allows you to export a purpose-specific set of
credentials for a user instead of exposing user login credentials.
Especially useful when using LDAP or similar for Openstack users.
Also lets you rotate credentials more easily since multiple application
credentials can be provisioned per user.
Update pkg/model/bootstrapscript.go
Co-authored-by: Ciprian Hacman <ciprianhacman@gmail.com>
Refactor to start to centralize the env-var configuration for system
components, also start to add test coverage so we can be sure we
haven't broken things!