https://shibboleth.net/products/centralized-discovery-service.html
Enable DiscoJuice (http://discojuice.org/)
- Uncomment the disco_juice role in discovery_service.yml
- Copy the main vars file
cp roles/disco_juice/vars/main.yml.example roles/disco_juice/vars/main.yml
- Fill in the missing values in the variable file roles/disco_juice/vars/main.yml
- (Re-)Play the playbook
ansible-playbook -i inventories/<environment> discovery_service.yml