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Is there a simple kubectl command to take a kubeconfig file (that contains a cluster+context+user) and merge it into the ~/.kube/config file as an additional context?
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In the section "Merging kubeconfig files" below, we explain how you can merge the kubeconfigs into a single file, but you can also merge them in-memory. By specifying multiple files in KUBECONFIG environment variable, you can temporarily stitch kubeconfig files together and use them all in kubectl .
Do this:
export KUBECONFIG=~/.kube/config:~/someotherconfig kubectl config view --flatten You can then pipe that out to a new file if needed.
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If you find yourself doing this a lot... There is now also the krew plugin package manager for kubectl.
The krew plugin "konfig" can help you manage your ~/.kube/config file.
Using the konfig plugin the syntax will be:
kubectl konfig import -s new.yaml
To install krew: https://github.com/kubernetes-sigs/krew
To install konfig: kubectl krew install konfig
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