29 lines
721 B
Bash
29 lines
721 B
Bash
#!/bin/bash
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LANG=C
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LC_ALL=C
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MC_PORT=${0##*_}
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if [ "$1" = "config" ]
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then
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printf 'graph_title Minecraft-Server (Port %s)\n' ${MC_PORT}
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printf 'graph_vlabel Anzahl\n'
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printf 'users.label Benutzer\n'
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printf 'ramusage.label Verwendeter RAM in GiB\n'
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exit 0
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fi
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PLAYERCOUNT=$(netstat -tn | grep -i ${MC_PORT} | grep ESTABLISHED | wc -l)
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MC_PID=$(netstat -tlpn | grep ${MC_PORT} | sed -n -e '1p' | awk '{ print $7 }' | cut -d'/' -f1)
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if [ ! -z "${MC_PID}" ]
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then #is running
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MEMORYRSS=$(ps -p ${MC_PID} -o rss | grep -v RSS)
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MEMGiB=$(echo "scale=2;${MEMORYRSS}/1024/1024" | bc -l)
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else
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MEMGiB=0
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fi
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printf "users.value %i\n" "${PLAYERCOUNT}"
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printf "ramusage.value %3.2f\n" "${MEMGiB}"
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