diskspace-monitor

Checks that configured filesystems are within capacity thresholds. Optionally pings an endpoint on success.

NixOS module options

services.diskspace-monitor

Option	Type	Default	Description
enable	bool	—	Enable the service
package	package	—	Package providing check_diskspace.sh
settings.filesystems	list	[]	Filesystems to monitor (see below)
settings.pingEndpoint	str or null	null	HTTP endpoint to ping on success
settings.pingAuthTokenFile	str or null	null	Absolute path to file containing bearer token
settings.pingPayload	str or null	null	JSON payload for the ping request
timer.enable	bool	true	Enable the systemd timer
timer.onCalendar	str	"hourly"	systemd OnCalendar expression

Each entry in settings.filesystems:

Option	Type	Description
filesystem	str	Device path (e.g. /dev/sda1)
maxCapacityPerc	int	Max acceptable usage percentage