| Current File : //lib/check_mk_agent/plugins/smart |
#!/bin/bash
# Copyright (C) 2019 tribe29 GmbH - License: GNU General Public License v2
# This file is part of Checkmk (https://checkmk.com). It is subject to the terms and
# conditions defined in the file COPYING, which is part of this source code package.
# Reason for this no-op: shellcheck disable=... before the first command disables the error for the
# entire script.
:
# Disable unused variable error (needed to keep track of version)
# shellcheck disable=SC2034
CMK_VERSION="2.0.0p23"
# Function to replace "if type [somecmd]" idiom
# 'command -v' tends to be more robust vs 'which' and 'type' based tests
inpath() {
command -v "${1:?No command to test}" >/dev/null 2>&1
}
# This will be called on LSI based raidcontrollers and accesses
# the SMART data of SATA disks attached to a SAS Raid HBA via
# SCSI protocol interface.
megaraid_info()
{
#PDINFO=$(MegaCli -PDlist -a0)
if [ -z "$1" ]; then
PDINFO=$(megacli -PDlist -a0 -NoLog)
else
PDINFO=$($1 -PDlist -a0 -NoLog)
fi
echo "$PDINFO" | \
while read -r line ; do
case "$line" in
# FIRST LINE
"Enclosure Device ID"*) #Enclosure Device ID: 252
ENC=$( echo "$line" | awk '{print $4}')
unset SLOT LOG_DEV_ID VEND MODEL
;;
"Slot Number"*) #Slot Number: 7
SLOT=$( echo "$line" | awk '{print $3}')
;;
# Identify the logical device ID. smartctl needs it to access the disk.
"Device Id"*) #Device Id: 19
LOG_DEV_ID=$( echo "$line" | awk '{print $3}')
;;
"PD Type"*) #PD Type: SATA
VEND=$( echo "$line" | awk '{print $3}')
;;
# This is the last value, generate output here
"Inquiry Data"*)
#Inquiry Data: WD-WCC1T1035197WDC WD20EZRX-00DC0B0 80.00A80
# $4 seems to be better for some vendors... wont be possible to get this perfect.
MODEL=$( echo "$line" | awk '{print $3}')
# /dev/sdc ATA SAMSUNG_SSD_830 5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always -
smartctl -d megaraid,"${LOG_DEV_ID}" -v 9,raw48 -A /dev/sg0 | \
grep Always | grep -E -v '^190(.*)Temperature(.*)' | \
sed "s|^|Enc${ENC}/Slot${SLOT} $VEND $MODEL |"
;;
esac
done
}
# Only handle always updated values, add device path and vendor/model
if which smartctl > /dev/null 2>&1 ; then
#
# if the 3ware-utility is found
# get the serials for all disks on the controller
#
if which tw_cli > /dev/null 2>&1 ; then
# support for only one controller at the moment
TWAC=$(tw_cli show | awk 'NR < 4 { next } { print $1 }' | head -n 1)
# - add a trailing zero to handle case of unused slot
# trailing zeros are part of the device links in /dev/disk/by-id/... anyway
# - only the last 9 chars seem to be relevant
# (hopefully all this doesn't change with new kernels...)
eval "$(tw_cli /"$TWAC" show drivestatus | grep -E '^p[0-9]' | awk '{print $1 " " $7 "0"}' | while read -r twaminor serial ; do
twaminor=${twaminor#p}
serial=${serial:(-9)}
serial=AMCC_${serial}00000000000
echo "$serial=$twaminor"
done)"
else
echo "tw_cli not found" >&2
fi
INPATH_UDEVADM=$(inpath udevadm && echo "udevadm_present")
echo '<<<smart>>>'
SEEN=
for D in /dev/disk/by-id/{scsi,ata,nvme}-*; do
[ "$D" != "${D%scsi-\*}" ] && continue
[ "$D" != "${D%ata-\*}" ] && continue
[ "$D" != "${D%nvme-\*}" ] && continue
[ "$D" != "${D%-part*}" ] && continue
N=$(readlink "$D")
N=${N##*/}
if [ -r /sys/block/"$N"/device/vendor ]; then
VEND=$(tr -d ' ' < /sys/block/"$N"/device/vendor)
elif [ -r /sys/block/"$N"/device/device/vendor ]; then
VEND=NVME
else
# 2012-01-25 Stefan Kaerst CDJ - in case $N does not exist
VEND=ATA
fi
if [ -r /sys/block/"$N"/device/model ]; then
MODEL=$(sed -e 's/ /_/g' -e 's/_*$//g' < /sys/block/"$N"/device/model)
else
MODEL=$(smartctl -a "$D" | grep -i "device model" | sed -e "s/.*:[ ]*//g" -e "s/\ /_/g")
fi
# Excluded disk models for SAN arrays or certain RAID luns that are also not usable..
if [ "$MODEL" = "iSCSI_Disk" ] || [ "$MODEL" = "LOGICAL_VOLUME" ]; then
continue
fi
# Exclude everything which can read a CD
if [ "$INPATH_UDEVADM" == "udevadm_present" ] && (udevadm info /dev/"$N" | grep -Fxq 'E: ID_CDROM_CD=1'); then
continue
fi
# Avoid duplicate entries for same device
if [ "${SEEN//.$N./}" != "$SEEN" ] ; then
continue
fi
SEEN="$SEEN.$N."
# strip device name for final output
DNAME=${D#/dev/disk/by-id/scsi-}
DNAME=${DNAME#/dev/disk/by-id/ata-}
# 2012-01-25 Stefan Kaerst CDJ - special option in case vendor is AMCC
CMD=
if [ "$VEND" == "AMCC" ] && [ -n "$TWAC" ]; then
DNAME=${DNAME#1}
[ -z "${!DNAME}" ] && continue
CMD="smartctl -d 3ware,${!DNAME} -v 9,raw48 -A /dev/twa0"
# create nice device name including model
MODEL=$(tw_cli /"$TWAC"/p"${!DNAME}" show model | head -n 1 | awk -F= '{ print $2 }')
MODEL=${MODEL## }
MODEL=${MODEL// /-}
DNAME=${DNAME#AMCC_}
DNAME="AMCC_${MODEL}_${DNAME%000000000000}"
elif [ "$VEND" != "ATA" ] ; then
if [ "$VEND" == "NVME" ] ; then
DNAME="/dev/$N"
CMD="smartctl -d nvme -A $DNAME"
else
TEMP=
# create temperature output as expected by checks/smart
# this is a hack, TODO: change checks/smart to support SCSI-disks
eval "$(smartctl -d scsi -i -A "$D" | while read -r a b c d _ ; do
[ "$a" == Serial ] && echo SN="$c"
[ "$a" == Current ] && [ "$b" == Drive ] && [ "$c" == Temperature: ] && echo TEMP="$d"
done)"
[ -n "$TEMP" ] && CMD="echo 194 Temperature_Celsius 0x0000 000 000 000 Old_age Always - $TEMP (0 0 0 0)"
DNAME="${VEND}_${MODEL}_${SN}"
fi
else
CMD="smartctl -d ata -v 9,raw48 -A $D"
fi
if [ $VEND == "NVME" ]; then
echo "$DNAME $VEND $MODEL"
[ -n "$CMD" ] && $CMD | sed -e '1,5d; /^$/d'
else
[ -n "$CMD" ] && $CMD | grep Always | grep -E -v '^190(.*)Temperature(.*)' | sed "s|^|$DNAME $VEND $MODEL |"
fi
done 2>/dev/null
# Call MegaRaid submodule if conditions are met
if type MegaCli >/dev/null 2>&1; then
MegaCli_bin="MegaCli"
elif type MegaCli64 >/dev/null 2>&1; then
MegaCli_bin="MegaCli64"
elif type megacli >/dev/null 2>&1; then
MegaCli_bin="megacli"
else
MegaCli_bin="unknown"
fi
if [ "$MegaCli_bin" != "unknown" ]; then
megaraid_info "$MegaCli_bin"
fi
else
echo "ERROR: smartctl not found" >&2
fi