#!/bin/bash # Start VPP start vpp sleep 1 # Configure VPP for vPacketGenerator IPADDR1=$(ifconfig eth0 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2) HWADDR1=$(ifconfig eth0 | grep HWaddr | tr -s ' ' | cut -d' ' -f5) FAKE_HWADDR1=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"') VLB_IPADDR=$(cat /opt/config/vlb_ipaddr.txt) GW=$(route | grep default | awk '{print $2}') ifconfig eth0 down ifconfig eth0 hw ether $FAKE_HWADDR1 ip addr flush dev eth0 ifconfig eth0 up vppctl tap connect tap111 hwaddr $HWADDR1 vppctl set int ip address tap-0 $IPADDR1"/24" vppctl set int state tap-0 up brctl addbr br0 brctl addif br0 tap111 brctl addif br0 eth0 ifconfig br0 up vppctl ip route add 0.0.0.0/0 via $GW sleep 1 #Let's set br0 with public IP and valid MAC so that Linux will have public network access ifconfig br0 hw ether $HWADDR1 ifconfig br0 $IPADDR1 netmask 255.255.255.0 route add default gw $GW #Adding static arp entry for VPP so that it will be able to send packets to default GW ping -c 1 $VLB_IPADDR &>/dev/null &disown sleep 3 GW_MAC=$(arp -n | grep -w $GW | tr -s ' ' | cut -d' ' -f3) VLB_MAC=$(arp -n | grep -w $VLB_IPADDR | tr -s ' ' | cut -d' ' -f3) #if VLB in our network, we will use its mac if [ ! -z "$VLB_MAC" ]; then vppctl set ip arp tap-0 $VLB_IPADDR $VLB_MAC fi # in any case let's add arp entry for default gw vppctl set ip arp tap-0 $GW $GW_MAC # Install packet streams sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns1 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns2 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns3 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns4 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns5 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns6 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns7 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns8 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns9 sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$IPADDR1" -> "$VLB_IPADDR"/" /opt/dns_streams/stream_dns10 #sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns* sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns1 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns2 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns3 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns4 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns5 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns6 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns7 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns8 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns9 sed -i -e "s/.*-> 53.*/ UDP: $RANDOM -> 53/" /opt/dns_streams/stream_dns10 vppctl exec /opt/dns_streams/stream_dns1 vppctl exec /opt/dns_streams/stream_dns2 vppctl exec /opt/dns_streams/stream_dns3 vppctl exec /opt/dns_streams/stream_dns4 vppctl exec /opt/dns_streams/stream_dns5 vppctl exec /opt/dns_streams/stream_dns6 vppctl exec /opt/dns_streams/stream_dns7 vppctl exec /opt/dns_streams/stream_dns8 vppctl exec /opt/dns_streams/stream_dns9 vppctl exec /opt/dns_streams/stream_dns10 sleep 1 # Start HoneyComb VERSION=$(cat /opt/config/demo_artifacts_version.txt) echo "" > /var/lib/honeycomb/persist/context/data.json echo "" > /var/lib/honeycomb/persist/config/data.json /opt/honeycomb/sample-distribution-$VERSION/honeycomb &>/dev/null &disown sleep 20 # Enable traffic flows cd /opt chmod +x run_streams_dns.sh ./run_streams_dns.sh &>/dev/null &disown