Fix streams in vLB/vDNS VNF

[demo.git] / vnfs / vLB / scripts / run_streams_dns.sh

diff --git a/vnfs/vLB/scripts/run_streams_dns.sh b/vnfs/vLB/scripts/run_streams_dns.sh
index cf95fa5..b73c9ee 100755 (executable)
--- a/vnfs/vLB/scripts/run_streams_dns.sh
+++ b/vnfs/vLB/scripts/run_streams_dns.sh
@@ -1,9 +1,51 @@
 #!/bin/bash
 
+#Disable all the running streams
 vppctl packet-gen disable
+
+#Initial configuration: run only two streams
 vppctl packet-gen enable-stream dns1
 vppctl packet-gen enable-stream dns2
-sleep 100
-vppctl packet-gen enable-stream dns3
-vppctl packet-gen enable-stream dns4
-vppctl packet-gen enable-stream dns5
+
+sleep 180
+
+#Rehash port numbers and re-run five streams every minute
+while true; do
+       vppctl packet-gen disable
+       vppctl pac del dns1
+       vppctl pac del dns2
+       vppctl pac del dns3
+       vppctl pac del dns4
+       vppctl pac del dns5
+
+       #Update destination (vLB) IP
+       VLB_IPADDR=$(cat /opt/config/vlb_ipaddr.txt)
+       IPADDR1=$(cat /opt/config/local_private_ipaddr.txt)
+       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
+
+       #Update source ports (make them random)
+       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
+
+       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
+
+       #Resume stream execution
+       vppctl packet-gen enable-stream dns1
+       vppctl packet-gen enable-stream dns2
+       vppctl packet-gen enable-stream dns3
+       vppctl packet-gen enable-stream dns4
+       vppctl packet-gen enable-stream dns5
+
+       sleep 60
+done
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