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#!/bin/bash
# Copyright (C) 2018 Ericsson. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# The aim of this script is to collect performance metric for policies running in PDP-D.
#
# Pre-requisites:
#
# Run the JMeter Stability test plan (see below link) on the PDP-D for atleast few hours so that enough samples are collected and used for performance calculation.
#
# Recommendation:
# Run for 72 hours
#
# https://gerrit.onap.org/r/gitweb?p=policy/drools-applications.git;a=blob;f=testsuites/stability/src/main/resources/amsterdam/droolsPdpStabilityTestPlan.jmx;h=8a327622acc38b4615e000bfab3f778d1997e6e7;hb=refs/heads/master
#
# How to run:
# 1: Copy this script to drools container
# 2: Pass following parameters to run the script
# - log-dir : the complete directory location of audit.log file.
# - wait : the wait time configured in JMeter test plan.
#
# Sample command for running the script: ./generate_performance_report -l /var/log/onap/policy/pdpd -w 500
# Note: -h or --help can be used to display details about input parameters.
#
# How it works
# The script will parse the audit.log file at the specified location and fetch the running time of each policy.
# Take enough samples and then calculate the average time taken for policies to complete.
usage()
{
_msg_="$@"
scriptname=$(basename $0)
cat<<-EOF
Command Arguments:
-l, --log-dir
Mandatory argument. Directory location of audit logs.
-w, --wait
Mandatory argument. Wait time between onset and appc for vCPE and vFW (in milliseconds)
-h, --help
Optional argument. Display this usage.
EOF
exit 1
}
process_vCPE() {
# vCPE use case
vcpe_perf_list=($(ls -lrth $LOG_DIR/audit.* | awk '{print $9}'| xargs -n1 zgrep vCPE | grep COMPLETE | grep generic-vnf.vnf-id | awk -F'|' '{print $7 }' | tail -10000))
vcpeTotal=0
vcpeSum=0
for count in "${vcpe_perf_list[@]}"
do
vcpeSum=$(($vcpeSum + $count))
vcpeTotal=$(($vcpeTotal + 1))
done
# Multiplying by 2 because stability test waits after onset and abatement
average=$((($vcpeSum / $vcpeTotal)-(2*$WAIT)))
echo "Average time taken to execute vCPE use case: $average ms [samples taken for average: $vcpeTotal]"
}
process_vFW() {
# vFirewall use case
vfw_perf_list=($(ls -lrth $LOG_DIR/audit.* | awk '{print $9}'| xargs -n1 zgrep vFirewall | grep COMPLETE | grep generic-vnf.vnf-id | awk -F'|' '{print $7 }' | tail -10000))
vfwTotal=0
vfwSum=0
for count in "${vfw_perf_list[@]}"
do
vfwSum=$(($vfwSum + $count))
vfwTotal=$(($vfwTotal + 1))
done
# Substracting wait as stability test waits after onset
average=$((($vfwSum / $vfwTotal)-$WAIT))
echo "Average time taken to execute vFirewall use case: $average ms [samples taken for average: $vfwTotal]"
}
process_vDNS() {
# vDNS use case
vdns_perf_list=($(ls -lrth $LOG_DIR/audit.* | awk '{print $9}'| xargs -n1 zgrep vDNS | grep COMPLETE | grep vserver.vserver-name | awk -F'|' '{print $7 }' | tail -10000))
vdnsTotal=0
vdnsSum=0
for count in "${vdns_perf_list[@]}"
do
vdnsSum=$(($vdnsSum + $count))
vdnsTotal=$(($vdnsTotal + 1))
done
average=$(($vdnsSum / $vdnsTotal))
echo "Average time taken to execute vDNS use case: $average ms [samples taken for average: $vdnsTotal]"
}
process_VOLTE() {
# VOLTE use case
volte_perf_list=($(ls -lrth $LOG_DIR/audit.* | awk '{print $9}'| xargs -n1 zgrep VOLTE | grep COMPLETE | awk -F'|' '{print $7 }' | tail -10000))
volteTotal=0
volteSum=0
for count in "${volte_perf_list[@]}"
do
volteSum=$(($volteSum + $count))
volteTotal=$(($volteTotal + 1))
done
average=$(($volteSum / $volteTotal))
echo "Average time taken to execute VOLTE use case: $average ms [samples taken for average: $volteTotal]"
}
# Called when script is executed with invalid arguments
invalid_arguments() {
echo "Missing or invalid option(s):"
echo "$@"
echo "Try -help for more information"
exit 1
}
# Process the arguments passed to the script
process_arguments() {
short_args="hl:w:"
long_args="help,log-dir:wait:"
args=$(getopt -o $short_args -l $long_args -n "$0" -- "$@" 2>&1 )
[[ $? -ne 0 ]] && invalid_arguments $( echo " $args"| head -1 )
[[ $# -eq 0 ]] && invalid_arguments "No options provided"
eval set -- "$args"
cmd_arg="$0"
while true; do
case "$1" in
-l|--log-dir)
LOG_DIR=$2
shift 2 ;;
-w|--wait)
WAIT=$2
shift 2 ;;
-h|--help)
usage
exit 0
;;
--)
shift
break ;;
*)
echo BAD ARGUMENTS # perhaps error
break ;;
esac
done
if ! [[ -d $LOG_DIR ]]; then
echo "$LOG_DIR does not exists" >&2; exit 1
fi
re='^[0-9]+$'
if ! [[ $WAIT =~ $re ]] ; then
echo "error: WAIT must be number " >&2; exit 1
fi
}
# main body
process_arguments $@
process_vCPE
process_vFW
process_vDNS
process_VOLTE
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