kubectl config view --minify

kubectl config view --minify --output 'jsonpath={..namespace}@{.current-context}' 2> /dev/null

k8s_info() {
  kubectl config view --minify --output 'jsonpath={..namespace}@{.current-context}' 2> /dev/null
}

Ref: 

APISERVER=$(kubectl config view --minify | grep server | cut -f 2- -d ":" | tr -d " ")
TOKEN=$(kubectl describe secret default-token | grep -E '^token' | cut -f2 -d':' | tr -d " ")

curl $APISERVER/api --header "Authorization: Bearer $TOKEN" --insecure
Ref: https://kubernetes.io/docs/tasks/access-application-cluster/access-cluster/

See also

• kubectl config view
• kubectl config [ view | get-contexts | current-context | get-clusters | set-context | set-credentials ], ~/.kube/config, kubectl config --help, kubectx, Kubernetes contexts, KUBECONFIG, kubectl --kubeconfig

https://stackoverflow.com/questions/61406690/bash-kube-context-and-git-branch-prompt