Last active
March 24, 2020 15:40
-
-
Save jsiebens/0c4f8e4724525b229bfcbcde1b692d5f to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash -e | |
# Usage ./k8s-service-account-kubeconfig.sh ( namespace ) ( service account name ) | |
TEMPDIR=$( mktemp -d ) | |
trap "{ rm -rf $TEMPDIR ; exit 255; }" EXIT | |
SA_SECRET=$( kubectl get sa -n $1 $2 -o jsonpath='{.secrets[0].name}' ) | |
# Pull the bearer token and cluster CA from the service account secret. | |
BEARER_TOKEN=$( kubectl get secrets -n $1 $SA_SECRET -o jsonpath='{.data.token}' | base64 -d ) | |
kubectl get secrets -n $1 $SA_SECRET -o jsonpath='{.data.ca\.crt}' | base64 -d > $TEMPDIR/ca.crt | |
CLUSTER_URL=$( kubectl config view -o jsonpath='{.clusters[0].cluster.server}' ) | |
KUBECONFIG=kubeconfig | |
kubectl config --kubeconfig=$KUBECONFIG \ | |
set-cluster \ | |
$CLUSTER_URL \ | |
--server=$CLUSTER_URL \ | |
--certificate-authority=$TEMPDIR/ca.crt \ | |
--embed-certs=true | |
kubectl config --kubeconfig=$KUBECONFIG \ | |
set-credentials $2 --token=$BEARER_TOKEN | |
kubectl config --kubeconfig=$KUBECONFIG \ | |
set-context registry \ | |
--cluster=$CLUSTER_URL \ | |
--user=$2 | |
kubectl config --kubeconfig=$KUBECONFIG \ | |
use-context registry | |
echo "kubeconfig written to file \"$KUBECONFIG\"" |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment