webif/var/mongoose/lib/bin/diskattrs

#!/mod/bin/jimsh

source /mod/webif/lib/setup
require system.class settings.class

if {[system model] eq "HD"} exit

set disk [system disk]
set settings [settings]

# Extract overall SMART status.
set smart ""
set line ""
# smartctl uses non-zero exit status to indicate health hence catch.
catch { set line [exec /mod/bin/smartctl -H $disk | sed -n 5p] } msg
if {$msg ne "" && $line eq ""} { set line $msg }
if {$line ne ""} {
	set smart [string range [lindex [split $line :] 1] 1 end]
	$settings _tval_setting "SMART_status" $smart
}

foreach line [split [exec /mod/bin/smartctl -A -f brief $disk] "\n"] {
	regsub -all -- {[[:space:]]+} $line " " line
	regsub -all -- {^[[:space:]]+} $line "" line
	lassign [split $line] id name flags val worst thresh when rval
	if {![string is integer $id]} continue
	set attrs($id) $rval
}

#puts "Attrs: ($attrs)"
puts "SMART: ($smart)"
puts "Reallocated: $attrs(5)"
puts "Pending: $attrs(197)"
puts "Offline: $attrs(198)"

if {[dict exists $attrs 5]} {
	$settings _nval_setting "SMART_realloc" $attrs(5)
}
if {[dict exists $attrs 197]} {
	$settings _nval_setting "SMART_pending" $attrs(197)
	if {$attrs(197) < [$settings _nval_setting "SMART_ack_pending"]} {
		$settings _nval_setting "SMART_ack_pending" $attrs(197)
	}
}
if {[dict exists $attrs 198]} {
	$settings _nval_setting "SMART_offline" $attrs(198)
	if {$attrs(198) < [$settings _nval_setting "SMART_ack_offline"]} {
		$settings _nval_setting "SMART_ack_offline" $attrs(198)
	}
}