diff options
Diffstat (limited to 'vnfs/vLB/scripts/v_packetgen_init.sh')
-rw-r--r-- | vnfs/vLB/scripts/v_packetgen_init.sh | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/vnfs/vLB/scripts/v_packetgen_init.sh b/vnfs/vLB/scripts/v_packetgen_init.sh new file mode 100644 index 00000000..c38d2baf --- /dev/null +++ b/vnfs/vLB/scripts/v_packetgen_init.sh @@ -0,0 +1,107 @@ +#!/bin/bash + +# Start VPP +systemctl start vpp +sleep 1 + +# Compute the network CIDR from the Netmask +mask2cidr() { + nbits=0 + IFS=. + for dec in $1 ; do + case $dec in + 255) let nbits+=8;; + 254) let nbits+=7;; + 252) let nbits+=6;; + 248) let nbits+=5;; + 240) let nbits+=4;; + 224) let nbits+=3;; + 192) let nbits+=2;; + 128) let nbits+=1;; + 0);; + *) echo "Error: $dec is not recognized"; exit 1 + esac + done + echo "$nbits" +} + +IPADDR1_MASK=$(ifconfig eth1 | grep "Mask" | awk '{print $4}' | awk -F ":" '{print $2}') +IPADDR1_CIDR=$(mask2cidr $IPADDR1_MASK) + +# Configure VPP for vPacketGenerator +IPADDR1=$(ifconfig eth1 | grep "inet addr" | tr -s ' ' | cut -d' ' -f3 | cut -d':' -f2) +HWADDR1=$(ifconfig eth1 | grep HWaddr | tr -s ' ' | cut -d' ' -f5) +FAKE_HWADDR1=$(echo -n 00; dd bs=1 count=5 if=/dev/urandom 2>/dev/null | hexdump -v -e '/1 ":%02X"') +VLB_IPADDR=$(cat /opt/config/vlb_ipaddr.txt) +VLB_MAC=$(cat /opt/config/vlb_mac.txt) +GW=$(route -n | grep "^0.0.0.0" | awk '{print $2}') + +ifconfig eth1 down +ifconfig eth1 hw ether $FAKE_HWADDR1 +ip addr flush dev eth1 +ifconfig eth1 up +vppctl tap connect tap111 hwaddr $HWADDR1 +vppctl set int ip address tap-0 $IPADDR1"/"$IPADDR1_CIDR +vppctl set int state tap-0 up +brctl addbr br0 +brctl addif br0 tap111 +brctl addif br0 eth1 +ifconfig br0 up +vppctl ip route add 0.0.0.0/0 via $GW +sleep 1 + +# 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 $IPADDR1_MASK +route add default gw $GW +sleep 1 +vppctl set ip arp tap-0 $VLB_IPADDR $VLB_MAC + +# Install packet streams +sed -i -e "0,/UDP/ s/UDP:.*/UDP: "$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_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 + +vppctl set int ip address pg0 $(cat /opt/config/pg_int.txt)"/"$IPADDR1_CIDR +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
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