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feat: Make the script work on non-GNU OS #3

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feat: Make the script work on non-GNU OS #3

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e3d5dbe
feat: make sed cmd portable, remove redundant cat
geekifier Mar 27, 2025
b6f1d2a
feat: output node name in status message
geekifier Mar 27, 2025
55b36b4
chore: clean up trailing whitespace
geekifier Mar 27, 2025
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4 changes: 2 additions & 2 deletions Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ require-%:
fi

server: require-K8S_NODE
cat k8s-iperf.yaml | sed -s "s/{NODE}/$(K8S_NODE)/g" | kubectl apply -f -
sed "s/{NODE}/$(K8S_NODE)/g" k8s-iperf.yaml | kubectl apply -f -

client: require-K8S_NODE
@if [[ "$$(kubectl get pod -l app=iperf-server 2> /dev/null)" == "" ]]; then \
Expand All @@ -18,4 +18,4 @@ client: require-K8S_NODE
clean:
@if [[ "$$(kubectl get pod -l app=iperf-server)" != "" || "$$(kubectl get pod -l app=iperf-client)" != "" ]]; then \
kubectl delete --cascade -f k8s-iperf.yaml; \
fi
fi
10 changes: 5 additions & 5 deletions k8s-iperf
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Expand Up @@ -5,7 +5,7 @@ function print_usage() {
>&2 echo "Usage: `basename $0` <Server Node> [iperf options]"
}

if [[ $# < 1 ]]; then
if [[ $# < 1 ]]; then
print_usage
exit 1
fi
Expand All @@ -17,9 +17,9 @@ if [[ ! $(kubectl get node -o name | grep "node/${SERVER_NODE}") ]]; then
exit 1
fi

echo "[Start] iperf server"
echo "[Start] iperf server on ${SERVER_NODE}"
if [[ ! $(kubectl get pods -l app=iperf-server 2> /dev/null) ]]; then
cat ${DIR}/k8s-iperf.yaml | sed -s "s/{NODE}/${SERVER_NODE}/g" | kubectl apply -f -
sed "s/{NODE}/${SERVER_NODE}/g" "${DIR}/k8s-iperf.yaml" | kubectl apply -f -
elif [[ $(kubectl get pod -l app=iperf-server -o jsonpath='{.items[0].metadata.labels.node}') != "${SERVER_NODE}" ]]; then
>&2 echo "[Error] Another server had been launched."
>&2 echo "$(kubectl get pods -l app=iperf-server -o wide)"
Expand All @@ -32,7 +32,7 @@ until $(kubectl get pods -l app=iperf-server -o jsonpath='{.items[0].status.cont
done
echo

echo "[Start] iperf clients"
echo "[Start] iperf clients"
CLIENTS=$(kubectl get pods -l app=iperf-client -o name | cut -d'/' -f2)
for POD in ${CLIENTS}; do
until $(kubectl get pod ${POD} -o jsonpath='{.status.containerStatuses[0].ready}'); do
Expand All @@ -53,7 +53,7 @@ done
printf " done\n"

echo
kubectl logs -l app=iperf-server
kubectl logs -l app=iperf-server
echo

echo "[Cleanup]"
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