Updates ~/.kube/config for a Digital Ocean K8s cluster

do-update.sh

#!/usr/bin/env bash
# export DO_TOKEN=foo
# export K8S_CLUSTER_ID=bar

if [[ -z "$DO_TOKEN" ]] || [[ -z "$K8S_CLUSTER_ID" ]]; then
  echo "DO_TOKEN and K8S_CLUSTER_ID must be set" 1>&2
  exit 1
fi

echo "Updating DigitalOcean K8s config file..."

curl -s \
  --request GET \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer $DO_TOKEN" \
  --url https://api.digitalocean.com/v2/kubernetes/clusters/$K8S_CLUSTER_ID/kubeconfig \
  --output config