diff options
| author |   Marco Platania <platania@research.att.com> | 2017-11-14 15:26:33 -0500 |
|---|---|---|
| committer | Marco Platania <platania@research.att.com> | 2017-11-14 15:26:33 -0500 |
| commit | 3514fec2ce01344df19df298f6a0d39a369ad26c (patch) | |
| tree | cb99b2570d9d9e21910fe8e6cc34de8b9b5bdfa7 /vnfs/vLB/scripts/run_streams_dns.sh | |
| parent | 9907e4958485625ba469b08d10cb11bd5a56dba6 (diff) | |
Fix streams in vLB/vDNS VNF
- Fixed an issue that prevented vPacketGen to run more than 2 streams
- Improved DNS query load balancing by rehashing port numbers in the streams
Change-Id: Iec962301712df505569dc210770ecf1aaf6e5c5c
Issue-ID: CERT-1
Signed-off-by: Marco Platania <platania@research.att.com>
Diffstat (limited to 'vnfs/vLB/scripts/run_streams_dns.sh')
| -rwxr-xr-x | vnfs/vLB/scripts/run_streams_dns.sh | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/vnfs/vLB/scripts/run_streams_dns.sh b/vnfs/vLB/scripts/run_streams_dns.sh index cf95fa53..b73c9ee7 100755 --- 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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