Graylog

Homepage: https://www.graylog.org/

Free and open source log management.

Usage

Set graylog_enabled: true in your inventories/<your_inventory>/group_vars/nas.yml file. Set all the graylog_* environment variables in your inventory, especially the mail related ones. Refer to graylog documentaion for configuration details.

Graylog web interface can be found at http://ansible_nas_host_or_ip:9003 after initialization. Login with default credentials: admin/admin.