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Retrieve Kube Config

To "use" a virtual cluster, as in connect to the virtual cluster Kubernetes API server, you can manually construct a kube config or use the Loft CLI to automatically create and update your kube config.

Retrieve via CLI

The easiest way to retrieve a kube config for your virtual cluster is by using the Loft CLI.

You can update your current kube-config by running the following command:

loft use vcluster my-vcluster --project my-project

If you want to print the kube config, you can run this command instead:

loft use vcluster my-vcluster --project my-project --print

Depending on if you have direct cluster endpoints or ingress endpoints for virtual clusters enabled, the resulting kube config will look different

Kube Config Without CLI

You can also create the kube config manually by creating an access key for your user first and then using the following template, with the following placeholders:

  • $PROJECT: the project the virtual cluster is in
  • $VIRTUAL_CLUSTER: the virtual cluster name to connect to
  • $LOFT_HOST: the loft host you connect to
  • $ACCESS_KEY: the access key to use

Then replace these placeholders in the following template and save it as my-kube-config.yaml:

apiVersion: v1
kind: Config
- cluster:
server: https://$LOFT_URL/kubernetes/project/$PROJECT/virtualcluster/$VIRTUAL_CLUSTER
# Optional: if the server uses an insecure certificate
# insecure-skip-tls-verify: true
name: loft
- context:
cluster: loft
user: loft
name: loft
current-context: loft
- name: loft
token: $ACCESS_KEY

You can then access your virtual cluster by using the freshly created kube config file:

KUBECONFIG=my-kube-config.yaml kubectl get namespaces