kolorful
r0mdau
/ find-k8snode-interface.sh
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November 9, 2024 21:16
How to get tcpdump for containers inside Kubernetes pods
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| # find the kube node of the running pod, appear next to hostIP, and note containerID hash | |
| kubectl get pod mypod -o json | |
| # -> save hostIP | |
| # -> save containerID | |
| # connect to the node and find the pods unique network interface index inside it's container | |
| docker exec containerID /bin/bash -c 'cat /sys/class/net/eth0/iflink' | |
| # -> returns index | |
| # locate the interface of the node |