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64 lines
1.4 KiB
64 lines
1.4 KiB
#!/usr/bin/env bash
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set -eu
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cd $(dirname $0)
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## <setup>
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kubectl create -f iperf3.yaml
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until $(kubectl get pods -l app=iperf3-server -o jsonpath='{.items[0].status.containerStatuses[0].ready}'); do
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echo "Waiting for iperf3 server to start..."
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sleep 5
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done
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echo "Server is running"
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echo
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CLIENTS=$(kubectl get pods -l app=iperf3-client -o name | cut -d'/' -f2)
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for POD in ${CLIENTS}; do
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until $(kubectl get pod "${POD}" -o jsonpath='{.status.containerStatuses[0].ready}'); do
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echo "Waiting for ${POD} to start..."
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sleep 5
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done
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done
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echo "All clients are running"
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echo
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kubectl get pod -o=custom-columns=NAME:.metadata.name,NODE:.spec.nodeName,IP-NODE:.status.hostIP,IP-POD:status.podIP
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echo
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## </setup>
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## <run>
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CLIENTS=$(kubectl get pods -l app=iperf3-client -o name | cut -d'/' -f2)
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for POD in ${CLIENTS}; do
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HOST=$(kubectl get pod "${POD}" -o jsonpath='{.status.hostIP}')
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kubectl exec -it "${POD}" -- iperf3 -c iperf3-server -T "Client on ${HOST}" "$@"
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echo
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done
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echo "Now all clients flood the server at the same time..."
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for POD in ${CLIENTS}; do
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echo "[Run] iperf-client pod ${POD}"
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kubectl exec -it "${POD}" -- iperf3 -c iperf3-server "$@" &> /dev/null &
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done
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until [[ $(jobs | grep -v Running) != "" ]]; do
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printf "."
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sleep 2
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done
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printf " done\n"
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## </run>
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## <clean>
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kubectl delete --cascade -f iperf3.yaml
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## </clean>
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