OpenMediaVault integration just received new update, be sure to check it out.

New features

• Added support for KVM plugin, including VM power control and snapshot

• Added support for Compose plugin

• Added integration options: Scan interval, disable S.M.A.R.T.

• Added network sensors

• Implemented reboot and shutdown service

• Implemented HA auto conversion

• Attributes now use snake case

• Added more disk attributes

• Added more filesystem attributes

• Changed filesystem entity name from mountpoint to device name

• Changed service entity name to reflect OMV UI

• Updated uptime sensor to HA standard

• Updated update sensor to reflect OMV API change

FIXES

• Fixed possible API timeout

• Fixed temperature for NVME devices

• Removed bcache devices from S.M.A.R.T. queries