You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.3 KiB
48 lines
1.3 KiB
# iperf3-k8s
|
|
|
|
Simple wrapper around iperf3 to measure network bandwidth from all nodes of a Kubernetes cluster.
|
|
|
|
## How to use
|
|
|
|
*Make sure you are using the correct cluster context before running this script: `kubectl config current-context`*
|
|
|
|
```sh
|
|
./iperf3.sh
|
|
```
|
|
|
|
Any options supported by iperf3 can be added, e.g.:
|
|
|
|
```sh
|
|
./iperf3.sh -t 2
|
|
```
|
|
|
|
### NetworkPolicies
|
|
|
|
If you need NetworkPolicies you can install it:
|
|
|
|
```sh
|
|
kubectl apply -f network-policy.yaml
|
|
```
|
|
|
|
And cleanup afterwards:
|
|
|
|
```sh
|
|
kubectl delete -f network-policy.yaml
|
|
```
|
|
|
|
## How it works
|
|
|
|
The script will run an iperf3 client inside a pod on every cluster node including the Kubernetes master.
|
|
Each iperf3 client will then sequentially run the same benchmark against the iperf3 server running on the Kubernetes master.
|
|
|
|
All required Kubernetes resources will be created and removed after the benchmark finished successfully.
|
|
|
|
The latest version of this Docker image is used to run iperf3:
|
|
[https://hub.docker.com/r/networkstatic/iperf3/](https://hub.docker.com/r/networkstatic/iperf3/)
|
|
|
|
Details on how to use iperf3 can be found here:
|
|
[https://github.com/esnet/iperf](https://github.com/esnet/iperf)
|
|
|
|
## Thanks
|
|
|
|
Thanks to [Pharb](https://github.com/Pharb) for the code. This is a repackaged version of his [project](https://github.com/Pharb/kubernetes-iperf3) adapted for my use cases.
|
|
|