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Add text file utility for SMART metrics
Add a utility to parse the output of `smartctl`. * Scans all disks. * Prints metrics for `smartctl --info`. * Prints metrics for `smartctl --attributes`.
This commit is contained in:
Ben Kochie
parent
006d1c7922
commit
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139
text_collector_examples/smartmon.sh
Executable file
139
text_collector_examples/smartmon.sh
Executable file
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#!/bin/bash
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# Script informed by the collectd monitoring script for smartmontools (using smartctl)
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# by Samuel B. <samuel_._behan_(at)_dob_._sk> (c) 2012
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# source at: http://devel.dob.sk/collectd-scripts/
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# TODO: This probably needs to be a little more complex. The raw numbers can have more
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# data in them than you'd think.
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# http://arstechnica.com/civis/viewtopic.php?p=22062211
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disks="$(/usr/sbin/smartctl --scan | awk '{print $1 "|" $3}')"
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parse_smartctl_attributes_awk="$(cat << 'SMARTCTLAWK'
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$1 ~ /^[0-9]+$/ && $2 ~ /^[a-zA-Z0-9_-]+$/ {
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gsub(/-/, "_");
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printf "%s_value{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $4
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printf "%s_worst{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $5
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printf "%s_threshold{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $6
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printf "%s_raw_value{%s,smart_id=\"%s\"} %d\n", $2, labels, $1, $10
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}
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SMARTCTLAWK
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)"
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smartmon_attrs="$(cat << 'SMARTMONATTRS'
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airflow_temperature_cel
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command_timeout
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current_pending_sector
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end_to_end_error
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erase_fail_count
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g_sense_error_rate
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hardware_ecc_recovered
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host_reads_mib
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host_reads_32mib
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host_writes_mib
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host_writes_32mib
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load_cycle_count
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media_wearout_indicator
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nand_writes_1gib
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offline_uncorrectable
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power_cycle_count
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power_on_hours
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program_fail_count
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raw_read_error_rate
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reallocated_sector_ct
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reported_uncorrect
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sata_downshift_count
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spin_retry_count
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spin_up_time
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start_stop_count
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temperature_celsius
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total_lbas_read
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total_lbas_written
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udma_crc_error_count
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unsafe_shutdown_count
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workld_host_reads_perc
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workld_media_wear_indic
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workload_minutes
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SMARTMONATTRS
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)"
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smartmon_attrs="$(echo ${smartmon_attrs} | xargs | tr ' ' '|')"
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parse_smartctl_attributes() {
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local disk="$1"
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local disk_type="$2"
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local labels="disk=\"${disk}\",type=\"${disk_type}\""
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local vars="$(echo "${smartmon_attrs}" | xargs | tr ' ' '|')"
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sed 's/^ \+//g' \
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| awk -v labels="${labels}" "${parse_smartctl_attributes_awk}" 2>/dev/null \
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| tr A-Z a-z \
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| grep -E "(${smartmon_attrs})"
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}
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parse_smartctl_info() {
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local -i smart_available=0 smart_enabled=0
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local disk="$1" disk_type="$2"
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while read line ; do
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info_type="$(echo "${line}" | cut -f1 -d: | tr ' ' '_')"
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info_value="$(echo "${line}" | cut -f2- -d: | sed 's/^ \+//g')"
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case "${info_type}" in
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Model_Family) model_family="${info_value}" ;;
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Device_Model) device_model="${info_value}" ;;
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Serial_Number) serial_number="${info_value}" ;;
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Firmware_Version) fw_version="${info_value}" ;;
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Vendor) vendor="${info_value}" ;;
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Product) product="${info_value}" ;;
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Revision) revision="${info_value}" ;;
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Logical_Unit_id) lun_id="${info_value}" ;;
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esac
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if [[ "${info_type}" == 'SMART_support_is' ]] ; then
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case "${info_value:0:7}" in
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Enabled) smart_enabled=1 ;;
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Availab) smart_available=1 ;;
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Unavail) smart_available=0 ;;
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esac
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fi
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done
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if [[ -n "${model_family}" ]] ; then
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echo "device_info{disk=\"${disk}\",type=\"${disk_type}\",model_family=\"${model_family}\",device_model=\"${device_model}\",serial_number=\"${serial_number}\",firmware_version=\"${fw_version}\"} 1"
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elif [[ -n "${vendor}" ]] ; then
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echo "device_info{disk=\"${disk}\",type=\"${disk_type}\",vendor=\"${vendor}\",product=\"${product}\",revision=\"${revision}\",lun_id=\"${lun_id}\"} 1"
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fi
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echo "device_smart_available{disk=\"${disk}\",type=\"${disk_type}\"} ${smart_available}"
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echo "device_smart_enabled{disk=\"${disk}\",type=\"${disk_type}\"} ${smart_enabled}"
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}
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output_format_awk="$(cat << 'OUTPUTAWK'
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BEGIN { v = "" }
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v != $1 {
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print "# HELP smartmon_" $1 " SMART metric " $1;
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print "# TYPE smartmon_" $1 " gauge";
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v = $1
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}
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{print "smartmon_" $0}
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OUTPUTAWK
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)"
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format_output() {
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sort \
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| awk -F'{' "${output_format_awk}"
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}
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smartctl_version="$(/usr/sbin/smartctl -V | head -n1 | awk '$1 == "smartctl" {print $2}')"
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echo "smartctl_version{version=\"${smartctl_version}\"} 1" | format_output
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if [[ "$(expr "${smartctl_version}" : '\([0-9]*\)\..*')" -lt 6 ]] ; then
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exit
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fi
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device_list="$(/usr/sbin/smartctl --scan-open | awk '{print $1 "|" $3}')"
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for device in ${device_list}; do
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disk="$(echo ${device} | cut -f1 -d'|')"
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type="$(echo ${device} | cut -f2 -d'|')"
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echo "smartctl_run{disk=\"${disk}\",type=\"${type}\"}" $(TZ=UTC date '+%s')
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# Get the SMART information
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/usr/sbin/smartctl -i -d "${type}" "${disk}" | parse_smartctl_info "${disk}" "${type}"
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# Get the SMART attributes
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/usr/sbin/smartctl -A -d "${type}" "${disk}" | parse_smartctl_attributes "${disk}" "${type}"
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done | format_output
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