Command for working with k8s contexts without needing to use kubectx or similar

kube

#!/bin/bash
set -ue -o pipefail

CLUSTER=$1
shift

CLUSTER_KUBECONFIG="$HOME/.kube/config.${CLUSTER}"

if ! [ -f $CLUSTER_KUBECONFIG ]; then
    echo "current-context: ${CLUSTER}" > $CLUSTER_KUBECONFIG
fi

export KUBECONFIG=${CLUSTER_KUBECONFIG}:$HOME/.kube/config

exec kubectl $@