Install Fluentd log collector.
Uses the stable commmunity td-agent package supplied by Treasure Data https://docs.fluentd.org/v1.0/articles/install-by-rpm
fluentd_groups: List of additional groups the Fluentd/td-agent user should be a member of, e.g. to allow access to restricted logs, default none
fluentd_plugins: List of Fluentd plugins to install, default none. See https://www.fluentd.org/plugins
fluentd_env: Dictionary of environment variables
Configuration files should be placed in