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#!/bin/bash
# Script informed by the collectd monitoring script for smartmontools (using smartctl)
# by Samuel B. <samuel_._behan_(at)_dob_._sk> (c) 2012
# source at: http://devel.dob.sk/collectd-scripts/
# TODO: This probably needs to be a little more complex. The raw numbers can have more
# data in them than you'd think.
# http://arstechnica.com/civis/viewtopic.php?p=22062211
parse_smartctl_attributes_awk="$(cat << 'SMARTCTLAWK'
$1 ~ /^ *[0-9]+$/ && $2 ~ /^[a-zA-Z0-9_-]+$/ {
gsub(/-/, "_");
printf "%s_value{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $4
printf "%s_worst{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $5
printf "%s_threshold{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $6
printf "%s_raw_value{%s,smart_id=\"%s\"} %e\n", $2, labels, $1, $10
}
SMARTCTLAWK
)"
smartmon_attrs="$(cat << 'SMARTMONATTRS'
airflow_temperature_cel
command_timeout
current_pending_sector
end_to_end_error
erase_fail_count
g_sense_error_rate
hardware_ecc_recovered
host_reads_mib
host_reads_32mib
host_writes_mib
host_writes_32mib
load_cycle_count
media_wearout_indicator
wear_leveling_count
nand_writes_1gib
offline_uncorrectable
power_cycle_count
power_on_hours
program_fail_count
raw_read_error_rate
reallocated_sector_ct
reported_uncorrect
sata_downshift_count
spin_retry_count
spin_up_time
start_stop_count
temperature_celsius
total_lbas_read
total_lbas_written
udma_crc_error_count
unsafe_shutdown_count
workld_host_reads_perc
workld_media_wear_indic
workload_minutes
SMARTMONATTRS
)"
smartmon_attrs="$(echo ${smartmon_attrs} | xargs | tr ' ' '|')"
parse_smartctl_attributes() {
local disk="$1"
local disk_type="$2"
local labels="disk=\"${disk}\",type=\"${disk_type}\""
local vars="$(echo "${smartmon_attrs}" | xargs | tr ' ' '|')"
sed 's/^ \+//g' \
| awk -v labels="${labels}" "${parse_smartctl_attributes_awk}" 2>/dev/null \
| tr A-Z a-z \
| grep -E "(${smartmon_attrs})"
}
parse_smartctl_info() {
local -i smart_available=0 smart_enabled=0 smart_healthy=0
local disk="$1" disk_type="$2"
local model_family='' device_model='' serial_number='' fw_version='' vendor='' product='' revision='' lun_id=''
while read line ; do
info_type="$(echo "${line}" | cut -f1 -d: | tr ' ' '_')"
info_value="$(echo "${line}" | cut -f2- -d: | sed 's/^ \+//g')"
case "${info_type}" in
Model_Family) model_family="${info_value}" ;;
Device_Model) device_model="${info_value}" ;;
Serial_Number) serial_number="${info_value}" ;;
Firmware_Version) fw_version="${info_value}" ;;
Vendor) vendor="${info_value}" ;;
Product) product="${info_value}" ;;
Revision) revision="${info_value}" ;;
Logical_Unit_id) lun_id="${info_value}" ;;
esac
if [[ "${info_type}" == 'SMART_support_is' ]] ; then
case "${info_value:0:7}" in
Enabled) smart_enabled=1 ;;
Availab) smart_available=1 ;;
Unavail) smart_available=0 ;;
esac
fi
if [[ "${info_type}" == 'SMART_overall-health_self-assessment_test_result' ]] ; then
case "${info_value:0:6}" in
PASSED) smart_healthy=1 ;;
esac
elif [[ "${info_type}" == 'SMART_Health_Status' ]] ; then
case "${info_value:0:2}" in
OK) smart_healthy=1 ;;
esac
fi
done
echo "device_info{disk=\"${disk}\",type=\"${disk_type}\",vendor=\"${vendor}\",product=\"${product}\",revision=\"${revision}\",lun_id=\"${lun_id}\",model_family=\"${model_family}\",device_model=\"${device_model}\",serial_number=\"${serial_number}\",firmware_version=\"${fw_version}\"} 1"
echo "device_smart_available{disk=\"${disk}\",type=\"${disk_type}\"} ${smart_available}"
echo "device_smart_enabled{disk=\"${disk}\",type=\"${disk_type}\"} ${smart_enabled}"
echo "device_smart_healthy{disk=\"${disk}\",type=\"${disk_type}\"} ${smart_healthy}"
}
output_format_awk="$(cat << 'OUTPUTAWK'
BEGIN { v = "" }
v != $1 {
print "# HELP smartmon_" $1 " SMART metric " $1;
print "# TYPE smartmon_" $1 " gauge";
v = $1
}
{print "smartmon_" $0}
OUTPUTAWK
)"
format_output() {
sort \
| awk -F'{' "${output_format_awk}"
}
smartctl_version="$(/usr/sbin/smartctl -V | head -n1 | awk '$1 == "smartctl" {print $2}')"
echo "smartctl_version{version=\"${smartctl_version}\"} 1" | format_output
if [[ "$(expr "${smartctl_version}" : '\([0-9]*\)\..*')" -lt 6 ]] ; then
exit
fi
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 ${device} | cut -f2 -d'|')"
echo "smartctl_run{disk=\"${disk}\",type=\"${type}\"}" $(TZ=UTC date '+%s')
# Get the SMART information and health
/usr/sbin/smartctl -i -H -d "${type}" "${disk}" | parse_smartctl_info "${disk}" "${type}"
# Get the SMART attributes
/usr/sbin/smartctl -A -d "${type}" "${disk}" | parse_smartctl_attributes "${disk}" "${type}"
done | format_output
|
