Wrapper around tcpdump
to monitor network traffic of pods selected by label.
sudo ./pod_tcpdump.sh label=value
Monitor gRPC communication between fim-k8s daemon<-->controller.
sudo ./pod_tcpdump.sh daemon=fimd
Performing 'tcpdump' on veth9b6621e
* container: 1282bac1ce997e24ed5f83f18e932e940a2379af7b7dcab114a42b982e7a8307
* net interface idx: 1879
* veth interface: /sys/class/net/veth9b6621e/ifindex
tcpdump: listening on veth9b6621e, link-type EN10MB (Ethernet), capture size 2048 bytes
...
12:06:44.400718 IP (tos 0x0, ttl 64, id 53858, offset 0, flags [DF], proto TCP (6), length 317)
172.17.0.11.47132 > 172.17.0.6.50051: Flags [P.], seq 827475042:827475307, ack 1875167098, win 237, options [nop,nop,TS val 89787680 ecr 4269612175], length 265
0x0000: 4500 013d d262 4000 4006 0f25 ac11 000b E..=.b@.@..%....
0x0010: ac11 0006 b81c c383 3152 4462 6fc4 c77a ........1RDbo..z
0x0020: 8018 00ed 5963 0000 0101 080a 055a 0d20 ....Yc.......Z..
0x0030: fe7d 1c8f 0000 0f01 0400 0000 1983 86bf .}..............
0x0040: c3c2 c1c0 7e86 69f7 df7d d7ed 0000 e800 ....~.i..}......
0x0050: 0100 0000 1900 0000 00e3 0a09 6c6f 6361 ............loca
0x0060: 6c68 6f73 7412 0f6a 656e 6b69 6e73 2d31 lhost..jenkins-1
0x0070: 2d77 7a39 7436 2249 646f 636b 6572 3a2f -wz9t6"Idocker:/
0x0080: 2f38 3239 3339 3235 3261 3337 6331 3431 /82939252a37c141
0x0090: 6636 3265 3864 3662 3933 3435 3734 3333 f62e8d6b93457433
0x00a0: 3661 3133 3136 3230 6233 6162 6161 3266 6a131620b3abaa2f
0x00b0: 6133 3833 3161 6439 3662 6536 3530 3763 a3831ad96be6507c
0x00c0: 3922 4964 6f63 6b65 723a 2f2f 6232 3538 9"Idocker://b258
0x00d0: 6364 6461 6662 3530 3462 3263 3232 3437 cddafb504b2c2247
0x00e0: 6434 3532 6366 3134 3930 6364 3763 3264 d452cf1490cd7c2d
0x00f0: 3664 3137 3034 6162 6136 6466 3032 6637 6d1704aba6df02f7
0x0100: 6239 6564 3735 3964 6161 3834 2a2f 0a15 b9ed759daa84*/..
0x0110: 2f76 6172 2f6c 6962 2f6a 656e 6b69 6e73 /var/lib/jenkins
0x0120: 2f6c 6f67 730a 0e2f 7661 722f 6c6f 672f /logs../var/log/
0x0130: 6e67 696e 7812 066d 6f64 6966 79 nginx..modify