itamae/cookbooks/prometheus-exporters/files/etc/systemd/system/filestat_exporter.service

[Unit]
Description=Filestat Exporter

[Service]
User=root
Group=root
ExecStart=/usr/local/bin/filestat_exporter --config.file=/etc/prometheus_exporters.d/filestat.yml

[Install]
WantedBy=multi-user.target