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File name : a2_system-updates.all

Content :#!/usr/bin/env bash # # Check_MK YUM Plugin - Check for upgradeable packages. # # The basic idea was borrowed from Jonathan Mills version of a YUM # plugin - thank you! I wanted a plugin which not only monitors security # updates and also had to change the output for a bit. # # Copyright 2013, Stefan Schlesinger <sts@ono.at> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or (at # your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # DLC 12/16/2015 - Stole and modified from check_mk plugin to check_mk local check # SYSENG-25369 12/12/2023 - refactored to check for the RPMDB corruption # INTERVAL=3600 # interval to run yum updates LOG="/tmp/check_updates_cache.log" # default path to log file # Unix time (seconds since Unix epoch) START=$(date +%s) cacheage () { file=$1 now=`date +%s` mtime=`stat -c %Y $file` delta=$((now - mtime )) echo $delta } # Generate the list of updateable packages in $LOG generate_cache () { if which yum >/dev/null; then if [ ! -e "/var/run/yum.pid" ]; then yum -v check-update 2>&1 \ | sed 's/^.*--> //g' \ | egrep -v 'excluded \(priority\)$' \ | egrep -v '(^Keeping|^Removing|^Nothing|^Excluding|^Looking|^Loading)' \ | egrep '\.(x86_64|i.86|noarch)' > $LOG fi fi } ## Check for updates regulary if [ ! -e $LOG ]; then touch $LOG generate_cache else age=$(cacheage $LOG) if [ $age -ge $INTERVAL ]; then generate_cache fi fi COUNT=`cat $LOG | wc -l` if [[ $COUNT -gt 20 ]]; then echo "$COUNT packages out of date" exit 1 else echo "Updates are fine" exit 0 fi

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