Create KubeConfig

create-kubeconfig.sh

# from: https://stackoverflow.com/a/47776588

# which service account?
SA=
NAMESPACE=

# your k8s api endpoint goes here
server=$(kubectl config view --minify | grep server | cut -f 2- -d ":" | tr -d " ")

# the name of the secret containing the service account token goes here
token=$(kubectl get sa ${SA} -n ${NAMESPACE} -o jsonpath='{.secrets[0].name}')

ca=$(kubectl get secret/$name -n ${NAMESPACE} -o jsonpath='{.data.ca\.crt}')
token=$(kubectl get secret/$name -n ${NAMESPACE} -o jsonpath='{.data.token}' | base64 --decode)
namespace=$(kubectl get secret/$name -n ${NAMESPACE} -o jsonpath='{.data.namespace}' | base64 --decode)

echo "
apiVersion: v1
kind: Config
clusters:
- name: default-cluster
  cluster:
    certificate-authority-data: ${ca}
    server: ${server}
contexts:
- name: default-context
  context:
    cluster: default-cluster
    namespace: default
    user: default-user
current-context: default-context
users:
- name: default-user
  user:
    token: ${token}
" > sa.kubeconfig