Export smartctl statistics to prometheus

Example output you can show in EXAMPLE.md

If you need additional metrics - contact me :) Create a feature request, describe the metric that you would like to have and attach exported from smartctl json file

smartmontools >= 7.0, because export to json released in 7.0

• --config=/path/to/file.yaml: Path to configuration file, defaulr /etc/smartctl_exporter.yaml
• --verbose: verbosed log, default no
• --debug: Debug logging, default no
• --version: Show version and exit

Example content:

smartctl_exporter:
  bind_to: "[::1]:9633"
  url_path: "/metrics"
  fake_json: no
  smartctl_location: /usr/sbin/smartctl
  collect_not_more_than_period: 120s
  devices:
  - /dev/sda
  - /dev/sdb
  - /dev/sdc
  - /dev/sdd
  - /dev/sde
  - /dev/sdf

fake_json used for debugging.