initial import (Boeing r1752, NRL r878)
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284
daemon/examples/netns/iperf-performance.sh
Executable file
284
daemon/examples/netns/iperf-performance.sh
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#!/bin/sh
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#
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# iperf-performance.sh
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#
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# (c)2013 the Boeing Company
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# authors: Jeff Ahrenholz <jeffrey.m.ahrenholz@boeing.com>
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#
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# Utility script to automate several iperf runs.
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#
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# number of iperf runs per test
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NUMRUNS=10
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# number of seconds per run (10s is iperf default)
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RUNTIME=10
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# logging
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LOG=/tmp/${0}.log
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STAMP=`date +%Y%m%d%H%M%S`
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#
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# client---(loopback)---server
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#
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loopbacktest () {
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killall iperf 2> /dev/null
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echo ">> loopback iperf test"
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echo "loopback" > ${LOG}
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# start an iperf server in the background
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# -s = server
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# -y c = CSV output
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echo "starting local iperf server"
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iperf -s -y c >> ${LOG} &
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# run an iperf client NUMRUNS times
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i=1
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while [ $i -le $NUMRUNS ]; do
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echo "run $i/$NUMRUNS:"
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iperf -t ${RUNTIME} -c localhost
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sleep 0.3
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i=$((i+1))
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done
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sleep 1
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echo "stopping local iperf server"
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killall -v iperf
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}
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#
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# lxc1( client )---veth-pair---lxc2( server )
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#
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lxcvethtest () {
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SERVERIP=10.0.0.1
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CLIENTIP=10.0.0.2
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SERVER=/tmp/${0}-server
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CLIENT=/tmp/${0}-client
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echo ">> lxc veth iperf test"
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echo "lxcveth" >> ${LOG}
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echo "starting lxc iperf server"
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vnoded -l $SERVER.log -p $SERVER.pid -c $SERVER
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ip link add name veth0.1 type veth peer name veth0
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ip link set veth0 netns `cat $SERVER.pid`
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vcmd -c $SERVER -- ifconfig veth0 $SERVERIP/24
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vcmd -c $SERVER -- iperf -s -y c >> ${LOG} &
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echo "starting lxc iperf client"
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vnoded -l $CLIENT.log -p $CLIENT.pid -c $CLIENT
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ip link set veth0.1 netns `cat $CLIENT.pid`
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vcmd -c $CLIENT -- ifconfig veth0.1 $CLIENTIP/24
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i=1
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while [ $i -le $NUMRUNS ]; do
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echo "run $i/$NUMRUNS:"
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vcmd -c $CLIENT -- iperf -t ${RUNTIME} -c ${SERVERIP}
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sleep 0.3
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i=$((i+1))
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done
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sleep 1
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echo "stopping lxc iperf server"
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vcmd -c $SERVER -- killall -v iperf
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echo "stopping containers"
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kill -9 `cat $SERVER.pid`
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kill -9 `cat $CLIENT.pid`
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echo "cleaning up"
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rm -f ${SERVER}*
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rm -f ${CLIENT}*
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}
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#
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# lxc1( client veth:):veth---bridge---veth:(:veth server )lxc2
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#
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lxcbrtest () {
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SERVERIP=10.0.0.1
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CLIENTIP=10.0.0.2
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SERVER=/tmp/${0}-server
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CLIENT=/tmp/${0}-client
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BRIDGE="lxcbrtest"
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echo ">> lxc bridge iperf test"
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echo "lxcbr" >> ${LOG}
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echo "building bridge"
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brctl addbr $BRIDGE
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brctl stp $BRIDGE off # disable spanning tree protocol
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brctl setfd $BRIDGE 0 # disable forwarding delay
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ip link set $BRIDGE up
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echo "starting lxc iperf server"
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vnoded -l $SERVER.log -p $SERVER.pid -c $SERVER
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ip link add name veth0.1 type veth peer name veth0
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ip link set veth0 netns `cat $SERVER.pid`
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vcmd -c $SERVER -- ifconfig veth0 $SERVERIP/24
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brctl addif $BRIDGE veth0.1
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ip link set veth0.1 up
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vcmd -c $SERVER -- iperf -s -y c >> ${LOG} &
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echo "starting lxc iperf client"
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vnoded -l $CLIENT.log -p $CLIENT.pid -c $CLIENT
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ip link add name veth1.1 type veth peer name veth1
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ip link set veth1 netns `cat $CLIENT.pid`
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vcmd -c $CLIENT -- ifconfig veth1 $CLIENTIP/24
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brctl addif $BRIDGE veth1.1
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ip link set veth1.1 up
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i=1
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while [ $i -le $NUMRUNS ]; do
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echo "run $i/$NUMRUNS:"
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vcmd -c $CLIENT -- iperf -t ${RUNTIME} -c ${SERVERIP}
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sleep 0.3
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i=$((i+1))
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done
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sleep 1
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echo "stopping lxc iperf server"
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vcmd -c $SERVER -- killall -v iperf
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echo "stopping containers"
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kill -9 `cat $SERVER.pid`
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kill -9 `cat $CLIENT.pid`
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echo "cleaning up"
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ip link set $BRIDGE down
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brctl delbr $BRIDGE
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rm -f ${SERVER}*
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rm -f ${CLIENT}*
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}
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#
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# n1---n2---n3--- ... ---nN
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# N nodes (N-2 hops) in chain with static routing
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#
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chaintest () {
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NUMNODES=$1
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SERVERIP=10.83.$NUMNODES.1
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if [ -d /tmp/pycore.* ]; then
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echo "/tmp/pycore.* already exists, skipping chaintest $NUMNODES"
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return
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fi
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echo ">> n=$NUMNODES node chain iperf test"
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echo "chain$NUMNODES" >> ${LOG}
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echo "running external chain CORE script with '-n $NUMNODES'"
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python iperf-performance-chain.py -n $NUMNODES
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echo "starting lxc iperf server on node $NUMNODES"
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vcmd -c /tmp/pycore.*/n$NUMNODES -- iperf -s -y c >> ${LOG} &
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echo "starting lxc iperf client"
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i=1
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while [ $i -le $NUMRUNS ]; do
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echo "run $i/$NUMRUNS:"
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vcmd -c /tmp/pycore.*/n1 -- iperf -t ${RUNTIME} -c ${SERVERIP}
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sleep 0.3
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i=$((i+1))
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done
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sleep 1
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echo "stopping lxc iperf server"
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vcmd -c /tmp/pycore.*/n$NUMNODES -- killall -v iperf
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echo "cleaning up"
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core-cleanup
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}
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if [ "z$1" != "z" ]; then
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echo "This script takes no parameters and must be run as root."
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exit 1
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fi
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if [ `id -u` != 0 ]; then
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echo "This script must be run as root."
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exit 1
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fi
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#
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# N lxc clients >---bridge---veth:(:veth server )
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#
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clientstest () {
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NUMCLIENTS=$1
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SERVERIP=10.0.0.1
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SERVER=/tmp/${0}-server
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BRIDGE="lxcbrtest"
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echo ">> n=$NUMCLIENTS clients iperf test"
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echo "clients$NUMCLIENTS" >> ${LOG}
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echo "building bridge"
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brctl addbr $BRIDGE
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brctl stp $BRIDGE off # disable spanning tree protocol
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brctl setfd $BRIDGE 0 # disable forwarding delay
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ip link set $BRIDGE up
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echo "starting lxc iperf server"
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vnoded -l $SERVER.log -p $SERVER.pid -c $SERVER
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ip link add name veth0.1 type veth peer name veth0
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ip link set veth0 netns `cat $SERVER.pid`
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vcmd -c $SERVER -- ifconfig veth0 $SERVERIP/24
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brctl addif $BRIDGE veth0.1
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ip link set veth0.1 up
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vcmd -c $SERVER -- iperf -s -y c >> ${LOG} &
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i=1
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CLIENTS=""
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while [ $i -le $NUMCLIENTS ]; do
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echo "starting lxc iperf client $i/$NUMCLIENTS"
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CLIENT=/tmp/${0}-client$i
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CLIENTIP=10.0.0.1$i
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vnoded -l $CLIENT.log -p $CLIENT.pid -c $CLIENT
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ip link add name veth1.$i type veth peer name veth1
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ip link set veth1 netns `cat $CLIENT.pid`
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vcmd -c $CLIENT -- ifconfig veth1 $CLIENTIP/24
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brctl addif $BRIDGE veth1.$i
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ip link set veth1.$i up
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i=$((i+1))
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CLIENTS="$CLIENTS $CLIENT"
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done
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j=1
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while [ $j -le $NUMRUNS ]; do
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echo "run $j/$NUMRUNS iperf:"
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for CLIENT in $CLIENTS; do
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vcmd -c $CLIENT -- iperf -t ${RUNTIME} -c ${SERVERIP} &
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done
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sleep ${RUNTIME} 1
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j=$((j+1))
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done
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sleep 1
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echo "stopping lxc iperf server"
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vcmd -c $SERVER -- killall -v iperf
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echo "stopping containers"
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kill -9 `cat $SERVER.pid`
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for CLIENT in $CLIENTS; do
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kill -9 `cat $CLIENT.pid`
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done
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# time needed for processes/containers to shut down
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sleep 2
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echo "cleaning up"
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ip link set $BRIDGE down
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brctl delbr $BRIDGE
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rm -f ${SERVER}*
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rm -f /tmp/${0}-client*
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# time needed for bridge clean-up
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sleep 1
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}
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#
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# run all tests
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#
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loopbacktest
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lxcvethtest
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lxcbrtest
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chaintest 5
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chaintest 10
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clientstest 5
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clientstest 10
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clientstest 15
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mv ${LOG} ${PWD}/${0}-${STAMP}.log
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echo "===> results in ${PWD}/${0}-${STAMP}.log"
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