66 lines
1.9 KiB
Plaintext
66 lines
1.9 KiB
Plaintext
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#!/bin/bash
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#
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# Nagios plugin to check paste version
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#
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# Author : Obitanz <hb+chapril@unenieme.eu>
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# Date : 18 Jul 2023
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#
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OK=0
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WARNING=1
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CRITICAL=2
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UNKNOWN=3
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function usage {
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echo "Usage : $0"
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echo "This script check if minetest services are UP (except test instance)"
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echo " and if UDP ports are listening"
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result=${UNKNOWN}
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}
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if [ "$#" -ne 0 ]; then
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usage
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else
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nb_problem=0
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for instance in $(ls -1d /srv/minetest.chapril.org/instances/* | grep -v "30000-test");
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do
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shortname=$(echo ${instance} | cut -d "/" -f 5)
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instance_port=$(echo ${shortname} | cut -d "-" -f 1)
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is_active=$(systemctl is-active minetest-server@${shortname}.service)
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check_if_port_is_listening="netstat -l | grep udp | grep ${instance_port} > /dev/null 2>&1"
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eval $check_if_port_is_listening
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port_is_listening=$?
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if [ "${is_active}" = "active" ]; then
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result_msg="${result_msg}\n${shortname} service is UP"
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else
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result_msg="${result_msg}\n${shortname} service is DOWN"
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((nb_problem++))
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fi
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if [ ${port_is_listening} -eq 0 ]; then
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result_msg="${result_msg}\n${shortname}'s port (${instance_port}) is listening"
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else
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result_msg="${result_msg}\n${shortname}'s port (${instance_port}) has a problem (not listening)"
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((nb_problem++))
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fi
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done
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if [ ${nb_problem} -eq 0 ]; then
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echo "OK - all minetest services are UP and all minetest ports are listening"
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result=${OK}
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elif [ ${nb_problem} -eq 1 ]; then
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echo -e "WARNING - there is one problem with minetest services or ports${result_msg}"
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result=${WARNING}
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elif [ ${nb_problem} -ge 2 ]; then
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echo -e "CRITICAL - there are at least two problems with minetest services or ports${result_msg}"
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result=${CRITICAL}
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else
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echo "UNKNOWN - script failed"
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result=${UNKNOWN}
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fi
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fi
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exit $result
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