1 files changed, 102 insertions, 0 deletions
diff --git a/vnfs/vLBMS/scripts/v_packetgen_init.sh b/vnfs/vLBMS/scripts/v_packetgen_init.sh
new file mode 100644
index 00000000..30707f0a
--- /dev/null
+++ b/vnfs/vLBMS/scripts/v_packetgen_init.sh
@@ -0,0 +1,102 @@
+#!/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 and enable traffic flows
+cd /opt
+./vlb-vnf-onap-distribution-$(cat /opt/config/demo_artifacts_version.txt)-SNAPSHOT/honeycomb &>/var/log/honeycomb.log &disown
+
+chmod +x run_streams_dns.sh
+./run_streams_dns.sh &>/dev/null &disown