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client-go/examples/out-of-cluster-client-configuration
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Stephen Kitt 105983d93c client-go: remove obsolete auth plugins from examples 
The azure and gcp plugins no longer do anything other than point to
the corresponding external credential plugins. Client code should no
longer try to load them, so they should be removed from the examples.

Signed-off-by: Stephen Kitt <skitt@redhat.com>

Kubernetes-commit: 4531c6de760ec42941d9f509103f1b29c88bfae0
2024-10-03 11:08:52 +02:00
..
main.go client-go: remove obsolete auth plugins from examples 2024-10-03 11:08:52 +02:00
README.md Update some readme.md files in client-go 2019-04-09 06:56:52 -04:00

README.md

Authenticating outside the cluster

This example shows you how to configure a client with client-go to authenticate to the Kubernetes API from an application running outside the Kubernetes cluster.

You can use your kubeconfig file that contains the context information of your cluster to initialize a client. The kubeconfig file is also used by the kubectl command to authenticate to the clusters.

Running this example

Make sure your kubectl is configured and pointed to a cluster. Run kubectl get nodes to confirm.

Run this application with:

cd out-of-cluster-client-configuration
go build -o app .
./app

Running this application will use the kubeconfig file and then authenticate to the cluster, and print the number of pods in the cluster every 10 seconds:

./app
There are 3 pods in the cluster
There are 3 pods in the cluster
There are 3 pods in the cluster
...

Press Ctrl+C to quit this application.

Note: You can use the -kubeconfig option to use a different config file. By default this program picks up the default file used by kubectl (when KUBECONFIG environment variable is not set).