This script upgrades or initialises a Netdisco database schema.
This script connects to the database and runs without user interaction. If
theres no Nedisco schema, it is deployed. If theres an unversioned schema
then versioning is added, and updates applied. Otherwise only necessary
updates are applied to an already versioned schema.
Pre-existing requirements are that there be a database table created and a
user with rights to create tables in that database. Both the table and user
name must match those configured in your environment YAML file (default
If you wish to force the redeployment of all database configuration, pass the
--redeploy-all argument on the command line.