ansible/roles/radius/templates/local_routers.py.j2

class DbRouter(object):
    """
    A router to control all database operations on models in the
    auth application.
    """
    def db_for_read(self, model, **hints):
        """
        Attempts to read remote models go to local database.
        """
        return 'local'

    def db_for_write(self, model, **hints):
        """
        Attempts to write remote models go to the remote database.
        """
        return 'default'

    def allow_relation(self, obj1, obj2, **hints):
        """
        Allow relations involving the remote database
        """
        return True

    def allow_migrate(self, db, app_label, model_name=None, **hints):
        """
        Allow migrations on the remote database
        """
        return True