151 lines
4.4 KiB
Bash
Executable File
151 lines
4.4 KiB
Bash
Executable File
#!/bin/bash
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########################################################################
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# Copyright (C) 2015 Max Mehl <mail@mehl.mx>
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########################################################################
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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########################################################################
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#
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# A bash application to monitor websites via ping and index comparison
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# In case of error it can send email notifications. See config.cfg.sample
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#
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#######################################################################
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cd "$(dirname "$(readlink -f "$0")")"
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# Test if config.cfg exists and set needed variables
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if [ ! -e config.cfg ]; then echo "Missing config.cfg file. Edit and rename config.cfg.sample"; exit 1; fi
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source config.cfg
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function fappend {
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echo -e "$2">>$1;
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}
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function mailsend {
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TOEMAIL="$TOEMAIL";
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FREMAIL="$FREMAIL";
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SUBJECT="[EWM] $1";
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MSGBODY1="$2"
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MSGBODY2="$3"
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TMP=`mktemp`
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fappend $TMP "From: $FREMAIL";
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fappend $TMP "To: $TOEMAIL";
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fappend $TMP "Reply-To: $FREMAIL";
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fappend $TMP "Subject: $SUBJECT";
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fappend $TMP "";
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fappend $TMP "$MSGBODY1";
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fappend $TMP "";
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fappend $TMP "$MSGBODY2";
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fappend $TMP "";
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cat $TMP | "$SENDMAILPATH" -t;
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rm $TMP;
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}
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function pingtest {
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#ping -c3 -W3 -q $1 >> /dev/null
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#timeout 5 bash -c 'echo "ping" > /dev/tcp/$1/80'; echo $?
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nc -z -w3 $1 80 > /dev/null
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PSTATUS=$(echo $?)
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}
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function indextest {
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wget -q -T 15 -t 5 -U $(cat monitor-user-agent.txt) -O $TEMPDIR/"$CURHOST".html http://"$CURHOST"
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if [ -e sites/"$CURHOST".ignore ]; then
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CURIGN=$(cat sites/"$CURHOST".ignore)
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else
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CURIGN="VeRy-UnLiKeLy-StRiNg-To-MaTcH"
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fi
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diff -qBb -I "$CURIGN" sites/"$CURHOST".orig $TEMPDIR/"$CURHOST".html
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ISTATUS=$(echo $?)
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}
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if [ ! -e count.txt ]; then
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touch $COUNTFILE
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fi
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source $COUNTFILE
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RUN=$(expr $RUN + 1)
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> $COUNTFILE
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echo "[INFO] Starting Run $RUN -- $(date)" >> $LOGFILE
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if [ ! -e $TEMPDIR ]; then
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mkdir $TEMPDIR
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fi
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for ((i = 0; i < ${#NAME[*]}; i++)); do
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CURNAME=${NAME[$i]}
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CURHOST=${HOST[$i]}
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## TEST PING
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pingtest $CURHOST
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if [ "$PSTATUS" != 0 ]; then
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ERROR[$i]=$(expr ${ERROR[$i]} + 1)
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echo "[WARNING] Ping to $CURHOST failed" >> $LOGFILE
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if [ "${ERROR[$i]}" -le "$MAXERROR" ]; then
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mailsend "Ping error on $CURHOST" \
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"Ping was unsuccessful" \
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"Check http://$CURHOST"
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fi
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else
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ERROR[$i]=$(expr ${ERROR[$i]} + 0)
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echo "[INFO] Ping to $CURHOST successful" >> $LOGFILE
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fi
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## TEST FOR CHANGED INDEX (only if ping was successful)
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if [ "$PSTATUS" = 0 ]; then
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indextest
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if [ "$ISTATUS" != 0 ]; then
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ERROR[$i]=$(expr ${ERROR[$i]} + 1)
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echo "[WARNING] Index check for $CURHOST failed" >> $LOGFILE
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diff -U 0 -Bb -I "$CURIGN" sites/"$CURHOST".orig $TEMPDIR/"$CURHOST".html > $TEMPDIR/"$CURHOST".diff
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if [ "${ERROR[$i]}" -le "$MAXERROR" ]; then
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mailsend "Index error on $CURHOST" \
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"Index on $CURHOST differs from original index: \n\n$(cat $TEMPDIR/$CURHOST.diff)" \
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"Update original index: $SSHCONN"
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fi
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else
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ERROR[$i]=$(expr ${ERROR[$i]} + 0)
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echo "[INFO] Index check for $CURHOST successful" >> $LOGFILE
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fi
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fi
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done
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if [ -e $TEMPDIR ]; then
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rm -rf $TEMPDIR
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fi
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if [ "$RUN" -le "$RESET" ]; then
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echo "RUN=$RUN" >> $COUNTFILE
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for ((i = 0; i < ${#ERROR[*]}; i++)); do
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echo "ERROR[$i]="${ERROR[$i]}"" >> $COUNTFILE
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done
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else
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echo "RUN=0" >> $COUNTFILE
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for ((i = 0; i < ${#ERROR[*]}; i++)); do
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echo "ERROR[$i]=0" >> $COUNTFILE
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> $LOGFILE
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done
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fi
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