Canonical Juju is a fantastic automation tool and there is very little training content out there.
-Juju setup (HA)
-Deploying Juju Charms
-Building Juju bundles
-Building charm relationships
-Using Juju inlife (idempotent management of deployments)
- Deploying and Managing Openstack
- Using Juju with MAAS (Tagging, Regions, Spaces)