From 8bc14ada8000ebd65b43cecdec4d783341227ef9 Mon Sep 17 00:00:00 2001 From: QuentinSonnet Date: Tue, 26 Jul 2022 14:50:18 +0200 Subject: [PATCH] ajouter check_zpool sh --- CheckZpools/README.md | 9 +++ CheckZpools/check_zpools.sh | 134 ++++++++++++++++++++++++++++++++++++ 2 files changed, 143 insertions(+) create mode 100644 CheckZpools/README.md create mode 100644 CheckZpools/check_zpools.sh diff --git a/CheckZpools/README.md b/CheckZpools/README.md new file mode 100644 index 0000000..a15b173 --- /dev/null +++ b/CheckZpools/README.md @@ -0,0 +1,9 @@ +# Quick howto + +With curl : + + curl -s https://gitlab.altinea.fr/altinea/install-scripts/src/branch/master/CheckZpools/check_zpools.sh |/bin/bash + +With wget : + + wget -q -O - https://gitlab.altinea.fr/altinea/install-scripts/src/branch/master/CheckZpools/check_zpools.sh |/bin/bash diff --git a/CheckZpools/check_zpools.sh b/CheckZpools/check_zpools.sh new file mode 100644 index 0000000..290809c --- /dev/null +++ b/CheckZpools/check_zpools.sh @@ -0,0 +1,134 @@ +#!/usr/bin/env bash +######################################################################### +# Script: check_zpools.sh +# Purpose: Nagios plugin to monitor status of zfs pool +# Authors: Aldo Fabi First version (2006-09-01) +# Vitaliy Gladkevitch Forked (2013-02-04) +# Claudio Kuenzler Complete redo, perfdata, etc (2013-2014) +# Doc: http://www.claudiokuenzler.com/nagios-plugins/check_zpools.php +# History: +# 2006-09-01 Original first version +# 2006-10-04 Updated (no change history known) +# 2013-02-04 Forked and released +# 2013-05-08 Make plugin work on different OS, pepp up plugin +# 2013-05-09 Bugfix in exit code handling +# 2013-05-10 Removed old exit vars (not used anymore) +# 2013-05-21 Added performance data (percentage used) +# 2013-07-11 Bugfix in zpool health check +# 2014-02-10 Bugfix in threshold comparison +# 2014-03-11 Allow plugin to run without enforced thresholds +######################################################################### +### Begin vars +STATE_OK=0 # define the exit code if status is OK +STATE_WARNING=1 # define the exit code if status is Warning +STATE_CRITICAL=2 # define the exit code if status is Critical +STATE_UNKNOWN=3 # define the exit code if status is Unknown +# Set path +PATH=$PATH:/usr/sbin:/sbin +export PATH +### End vars +######################################################################### +help="check_zpools.sh (c) 2006-2014 several authors\n +Usage: $0 -p (poolname|ALL) [-w warnpercent] [-c critpercent]\n +Example: $0 -p ALL -w 80 -c 90" +######################################################################### +# Check necessary commands are available +for cmd in zpool awk [ +do + if ! `which ${cmd} 1>/dev/null` + then + echo "UNKNOWN: ${cmd} does not exist, please check if command exists and PATH is correct" + exit ${STATE_UNKNOWN} + fi +done +######################################################################### +# Check for people who need help - aren't we all nice ;-) +if [ "${1}" = "--help" -o "${#}" = "0" ]; + then + echo -e "${help}"; + exit ${STATE_UNKNOWN}; +fi +######################################################################### +# Get user-given variables +while getopts "p:w:c:" Input; +do + case ${Input} in + p) pool=${OPTARG};; + w) warn=${OPTARG};; + c) crit=${OPTARG};; + *) echo -e $help + exit $STATE_UNKNOWN + ;; + esac +done +######################################################################### +# Did user obey to usage? +if [ -z $pool ]; then echo -e $help; exit ${STATE_UNKNOWN}; fi +######################################################################### +# Verify threshold sense +if [[ -n $warn ]] && [[ -z $crit ]]; then echo "Both warning and critical thresholds must be set"; exit $STATE_UNKNOWN; fi +if [[ -z $warn ]] && [[ -n $crit ]]; then echo "Both warning and critical thresholds must be set"; exit $STATE_UNKNOWN; fi +if [[ $warn -gt $crit ]]; then echo "Warning threshold cannot be greater than critical"; exit $STATE_UNKNOWN; fi +######################################################################### +# What needs to be checked? +## Check all pools +if [ $pool = "ALL" ] +then + POOLS=($(zpool list -Ho name)) + p=0 + for POOL in ${POOLS[*]} + do + CAPACITY=$(zpool list -Ho capacity $POOL | awk -F"%" '{print $1}') + HEALTH=$(zpool list -Ho health $POOL) + # Check with thresholds + if [[ -n $warn ]] && [[ -n $crit ]] + then + if [[ $CAPACITY -ge $crit ]] + then error[${p}]="POOL $POOL usage is CRITICAL (${CAPACITY}%)"; fcrit=1 + elif [[ $CAPACITY -ge $warn && $CAPACITY -lt $crit ]] + then error[$p]="POOL $POOL usage is WARNING (${CAPACITY}%)" + elif [ $HEALTH != "ONLINE" ] + then error[${p}]="$POOL health is $HEALTH"; fcrit=1 + fi + # Check without thresholds + else + if [ $HEALTH != "ONLINE" ] + then error[${p}]="$POOL health is $HEALTH"; fcrit=1 + fi + fi + perfdata[$p]="$POOL=${CAPACITY}% " + let p++ + done + + if [[ ${#error[*]} -gt 0 ]] + then + if [[ $fcrit -eq 1 ]]; then exit_code=2; else exit_code=1; fi + echo "ZFS POOL ALARM: ${error[*]}|${perfdata[*]}"; exit ${exit_code} + else echo "ALL ZFS POOLS OK (${POOLS[*]})|${perfdata[*]}"; exit 0 + fi + +## Check single pool +else + CAPACITY=$(zpool list -Ho capacity $pool | awk -F"%" '{print $1}') + HEALTH=$(zpool list -Ho health $pool) + + if [[ -n $warn ]] && [[ -n $crit ]] + then + # Check with thresholds + if [ $HEALTH != "ONLINE" ]; then echo "ZFS POOL $pool health is $HEALTH|$pool=${CAPACITY}%"; exit ${STATE_CRITICAL} + elif [[ $CAPACITY -gt $crit ]]; then echo "ZFS POOL $pool usage is CRITICAL (${CAPACITY}%|$pool=${CAPACITY}%)"; exit ${STATE_CRITICAL} + elif [[ $CAPACITY -gt $warn && $CAPACITY -lt $crit ]]; then echo "ZFS POOL $pool usage is WARNING (${CAPACITY}%)|$pool=${CAPACITY}%"; exit ${STATE_WARNING} + else echo "ALL ZFS POOLS OK ($pool)|$pool=${CAPACITY}%"; exit ${STATE_OK} + fi + else + # Check without thresholds + if [ $HEALTH != "ONLINE" ] + then echo "ZFS POOL $pool health is $HEALTH|$pool=${CAPACITY}%"; exit ${STATE_CRITICAL} + else echo "ALL ZFS POOLS OK ($pool)|$pool=${CAPACITY}%"; exit ${STATE_OK} + fi + fi + +fi + +echo "UKNOWN - Should never reach this part" +exit ${STATE_UNKNOWN}