Sensu handlers, etc. primarily written in python as current sensu-util scripts/handlers are all ruby and require a "modern" ruby which is not that easy on CentOS/RHEL based systems.
- uses sensu-mailer.yaml which needs to be placed into /etc/sensu/conf.d/sensu-mailer.yaml
- sensuutils.py needs to be copied into /usr/lib/python*/site-packages/