#!/bin/bash # Copyright (C) 2018 Tetras Libre <Contact@Tetras-Libre.fr> # Author: Beniamine, David <David.Beniamine@Tetras-Libre.fr> # # 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/>. getip(){ awk '/^lease/{IP=$2} /hardware ethernet/{gsub(";","",$3);if($3 == "'$1'"){print IP}}' \ < /var/lib/dhcp/dhcpd.leases } # $1 : file|stdin answer(){ if [ -z "$1" ] then netcat $host $port else netcat $host $port < $1 fi } IP=$(ip a | awk '/inet.*containers/ {print $2}' | cut -d / -f 1) broadcast=$(ip a | awk '/inet.*eth1/ {print $4}' | cut -d / -f 1) subnet=$(ip a | awk '/inet.*containers/ {print $2}' | cut -d / -f 1 | cut -d . -f 1-3) host=$subnet.51 port=9999 while true do LINE=`netcat -l $IP $port` #echo "$LINE" if [ $(echo "$LINE" | egrep -c "^([0-9a-f]{2}:?){6}$") -eq 1 ] then wakeonlan -i $broadcast "$LINE" sleep 3 IPS=`getip $LINE` for ip in $IPS do ping -c 3 $ip if [ $? -eq 0 ] then echo "$ip" | answer break fi done elif [ "$LINE" == "getRegistry" ] then hostfile="/etc/registry/hosts" while read line do mac=$(echo $line | cut -d ' ' -f 2) IPS=$(getip $mac | sed -e 's/ /,/g') if [ -z "$IPS" ] then IPS="NA" fi echo "$line $IPS" >> $hostfile-$$ done < $hostfile answer $hostfile-$$ rm $hostfile-$$ elif [[ "$LINE" =~ "getLog" ]] then cmd=$(echo $LINE | cut -d ' ' -f 1) name=$(echo $LINE | cut -d ' ' -f 2) logfile=$(ls /var/log/upgrade_all.sh_* | sort | tail -n 1) if [ "$name" == "$cmd" ] then answer $logfile else # Choose last log file with desired host logfile=$(grep -l $name /var/log/upgrade_all.sh_* | sort | tail -n 1) tempfile="/tmp/$$" # Extract the pertinent part of the log awk 'BEGIN{IN=0} /Begin host/{if($4=="'$name'"){IN=1}} {if(IN){print $0}} /End host/{if($4=="'$name'"){IN=0}}' \ $logfile > $tempfile if [ ! -s $tempfile ] then # Log file is empty, this happens when we are starting an upgrade on a specific host cp $logfile $tempfile fi answer $tempfile rm $tempfile fi elif [[ "$LINE" =~ "upgrade" ]] then DIR="$(realpath $(dirname $0))/../../registry/scripts/" subactions="$(echo $LINE | sed -e 's/^upgrade//' -e 's/All//')" nohup $DIR/upgrade_all.sh $subactions & echo "Started 'upgrade_all.sh $subactions' in background on $(date)" | answer elif [[ "$LINE" =~ "reboot" ]] then mac=$(echo $line | cut -d ' ' -f 2) IPS=$(getip $mac | sed -e 's/ /,/g') for $ip in $IPS do ssh $ip "reboot" done answer "Redémarrage demandé, attendez une à deux minutes avant d'essayer de vous connecter" fi done