diff options
Diffstat (limited to 'vnfs/vLB/scripts/v_packetgen_for_dns_demo_init.sh')
-rw-r--r-- | vnfs/vLB/scripts/v_packetgen_for_dns_demo_init.sh | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/vnfs/vLB/scripts/v_packetgen_for_dns_demo_init.sh b/vnfs/vLB/scripts/v_packetgen_for_dns_demo_init.sh new file mode 100644 index 00000000..ba7f56ca --- /dev/null +++ b/vnfs/vLB/scripts/v_packetgen_for_dns_demo_init.sh @@ -0,0 +1,97 @@ +#!/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 +echo "" > /var/lib/honeycomb/persist/context/data.json +echo "" > /var/lib/honeycomb/persist/config/data.json +/opt/honeycomb/sample-distribution-1.0.0/honeycomb &>/dev/null &disown +sleep 20 + +# Enable traffic flows +cd /opt +chmod +x run_streams_dns.sh +#./run_streams_dns.sh &>/dev/null &disown + |