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securityonion/salt/telegraf/scripts/stenoloss.sh
2021-10-19 11:14:02 -04:00

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#!/bin/bash
#
# Copyright 2014,2015,2016,2017,2018,2019,2020,2021 Security Onion Solutions, LLC
#
# 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/>.
THEGREP=$(ps -ef | grep $0 | grep -v $$ | grep -v grep)
if [ ! "$THEGREP" ]; then
CHECKIT=$(grep "Thread 0" /var/log/stenographer/stenographer.log |tac |head -2|wc -l)
STENOGREP=$(grep "Thread 0" /var/log/stenographer/stenographer.log |tac |head -2)
declare RESULT=($STENOGREP)
CURRENT_PACKETS=$(echo ${RESULT[9]} | awk -F'=' '{print $2 }')
CURRENT_DROPS=$(echo ${RESULT[12]} | awk -F'=' '{print $2 }')
PREVIOUS_PACKETS=$(echo ${RESULT[23]} | awk -F'=' '{print $2 }')
PREVIOUS_DROPS=$(echo ${RESULT[26]} | awk -F'=' '{print $2 }')
DROPPED=$((CURRENT_DROPS - PREVIOUS_DROPS))
TOTAL_CURRENT=$((CURRENT_PACKETS + CURRENT_DROPS))
TOTAL_PAST=$((PREVIOUS_PACKETS + PREVIOUS_DROPS))
TOTAL=$((TOTAL_CURRENT - TOTAL_PAST))
if [ $CHECKIT == 2 ]; then
if [ $DROPPED == 0 ]; then
echo "stenodrop drop=$DROPPED"
else
LOSS=$(echo "4 k $DROPPED $TOTAL / 100 * p" | dc)
echo "stenodrop drop=$loss"
fi
fi
else
exit 0
fi