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smartmon.sh: add metric for active/low-power mode (#1192)

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Add this new metric (where sda is active and sdb is in standby mode):
smartmon_device_active{disk="/dev/sda",type="sat"} 1
smartmon_device_active{disk="/dev/sdb",type="sat"} 0

Also skip further metrics if the drive is in a low-power mode. This
prevents spinning up disks just to get the metrics (which matches e.g.
debian's default behavior for smartd).

Signed-off-by: Andre Heider <a.heider@gmail.com>
This commit is contained in:
dhewg 2018-12-13 16:11:23 +01:00 committed by Ben Kochie
parent 03bb276deb
commit 7c960fd683
1 changed files with 6 additions and 0 deletions
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6
text_collector_examples/smartmon.sh
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@ -167,7 +167,13 @@ device_list="$(/usr/sbin/smartctl --scan-open | awk '/^\/dev/{print $1 "|" $3}')
for device in ${device_list}; do
disk="$(echo ${device} | cut -f1 -d'|')"
type="$(echo ${device} | cut -f2 -d'|')"
active=1
echo "smartctl_run{disk=\"${disk}\",type=\"${type}\"}" "$(TZ=UTC date '+%s')"
# Check if the device is in a low-power mode
/usr/sbin/smartctl -n standby -d "${type}" "${disk}" > /dev/null || active=0
echo "device_active{disk=\"${disk}\",type=\"${type}\"}" "${active}"
# Skip further metrics to prevent the disk from spinning up
test ${active} -eq 0 && continue
# Get the SMART information and health
/usr/sbin/smartctl -i -H -d "${type}" "${disk}" | parse_smartctl_info "${disk}" "${type}"
# Get the SMART attributes