File check_mysql_backup_files of Package nagios-plugins-automysqlbackup

#!/usr/bin/env bash
# Author: Marek Rzepala <Marek.Rzepala@internetx.com> 
# Version: 3.01
# Last changed: 27.10.2021
# Upstream URL: https://gitlab.muc.internetx.com/p-s/nagios/check_mysql_backup_files

IFS=$'\n'
warn_daily=86400 # one day
crit_daily=$(($warn_daily * 2))

warn_weekly=$(($warn_daily * 36))
crit_weekly=$(($warn_weekly + $crit_daily))

warn_monthly=$(($warn_daily * 151))
crit_monthly=$(($warn_monthly + $crit_daily))

now=$(date +'%s')
confdir=/etc/multimysqlbackup.d/
backdirs+=($(awk -F ";" '{print $1}' <(grep -vh ^# $confdir/*.conf) | awk -F ":" '{print $1}'))
stat=0
stat_warn=0
stat_crit=0

#### data gathering
for rota in daily weekly monthly
do
	for ((i=0;i<${#backdirs[@]};i++))
	do
		for backstat in $(find /backup/mysql/${backdirs[i]}/$rota/* -maxdepth 0 -type d -printf '%p %Cs\n')
		do
			diff=$(($now - $(awk '{print $2}' <(printf $backstat))))
			
			case $rota in 
			
				daily)
					case $((($diff >= $warn_daily && $diff <= $crit_daily) * 1 + ($diff >= $crit_daily ) * 2)) in

1) 
							warns+=($(echo "${backdirs[i]}_daily $backstat $(($diff / 3600))")) && stat_warn=1
							;; 
						2) 
							crits+=($(echo "${backdirs[i]}_daily $backstat $(($diff / 3600))")) && stat_crit=2
							;; 
					esac
					;;
				weekly)
					case $((($diff >= $warn_weekly && $diff <= $crit_weekly) * 1 + ($diff >= $crit_weekly ) * 2)) in

1) 
							warns+=($(echo "${backdirs[i]}_weekly $backstat $(($diff / 3600))")) && stat_warn=1
							;; 
						2) 
							crits+=($(echo "${backdirs[i]}_weekly $backstat $(($diff / 3600))")) && stat_crit=2
							;; 
					esac
					;;
				monthly)
					case $((($diff >= $warn_monthly && $diff <= $crit_monthly) * 1 + ($diff >= $crit_monthly ) * 2)) in

1) 
							warns+=($(echo "${backdirs[i]}_monthly $backstat $(($diff / 3600))")) && stat_warn=1
							;; 
						2) 
							crits+=($(echo "${backdirs[i]}_monthly $backstat $(($diff / 3600))")) && stat_crit=2
							;; 
					esac
					;;

esac
		done
	done
done
####

#### functions for printing warnings und criticals gathered in prior for loop
stat=$(($stat_warn+$stat_crit))

print_warns () {
for ((i=0;i<${#warns[@]};i++))
do 
	echo -n "{$(awk '{print $1}' <(echo ${warns[i]})) backup "
	echo -n $(awk -F "/" '{print $NF}' <(echo ${warns[i]})| awk '{print $1}')
	echo -n " $(awk '{print $NF}' <(echo ${warns[i]})) hours old!}"
done
}

print_crits () {
for ((i=0;i<${#crits[@]};i++))
do
	echo -n "{$(awk '{print $1}' <(echo ${crits[i]})) backup "
	echo -n $(awk -F "/" '{print $NF}' <(echo ${crits[i]})| awk '{print $1}')
	echo -n " $(awk '{print $NF}' <(echo ${crits[i]})) hours old!}"
done
}

#### print and exit depending on $stat set in data gathering loop
case $stat in

1)
		echo -n "WARNING check backup "
		print_warns
		exit 1
		;;
	2)	
		echo -n "CRITICAL "
		print_crits
		exit 2
		;;
	3)
		echo -n "CRITICAL "
		print_warns
		echo -n "WARNING "
		print_crits
		exit 2
		;;

0)	echo "we gucci"
		exit 0
		;;
esac