Livy for SPARK 3 cannot be installed via these roles, because it is not listed in the service list here : - [spark3.j2](https://github.com/cloudera-labs/cloudera.cluster/blob/v3.4.0/roles/deployment/repometa/templates/role_mappings/spark3.j2) - [main.yml](https://github.com/cloudera-labs/cloudera.cluster/blob/v3.4.0/roles/config/cluster/common/defaults/main.yml#L89)
