Created
April 16, 2021 18:55
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tcpdump for pod controlled by cilium
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| #!/bin/bash | |
| # Usage: $0 <pod> [tcpdump-filter] | |
| [[ "$1" == "" ]] && echo "Usage: $0 <pod> [tcpdump-filter]" && exit 1 | |
| ep_id=`kubectl get cep -A -o jsonpath="{.items[?(@.metadata.name==\"$1\")].status.id}"` | |
| iface=`cilium endpoint get $ep_id -o jsonpath="{[*].status.networking.interface-name}"` | |
| shift | |
| [[ "$iface" != lxc* ]] && echo "Could not get interface for pod=[$1]" && exit 2 | |
| echo "Executing: tcpdump -i $iface $*" | |
| tcpdump -i $iface $* |
FYI: This script will work only within cilium development env.
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