y-cluster-provision-gke-network-outbound-enable

#!/bin/bash
[ -z "$DEBUG" ] || set -x
set -e

NETWORK="$1"
[ -z "$NETWORK" ] && echo "First argument must be a network name, such as 'default'" && exit 1

REGION="$2"
[ -z "$REGION" ] && echo "Second argument must be a gcloud region name" && exit 1

[ -n "$PROJECT" ] || PROJECT="$(gcloud config get-value project)"

echo "### What this script will try to do is ..."
echo "Use the currently configured project: $PROJECT"
echo "Create NAT router+config for region '$REGION' network '$NETWORK' outbound access"
echo ""

read -p 'Please confirm [y/n]? ' yn
case $yn in
  [Yy]* ) ;;
  * ) exit;;
esac

# https://cloud.google.com/nat/docs/gke-example#step_6_create_a_nat_configuration_using
gcloud --project=$PROJECT compute routers create nat-router \
    --network $NETWORK \
    --region $REGION
gcloud --project=$PROJECT  compute routers nats create nat-config \
    --router-region $REGION \
    --router nat-router \
    --nat-all-subnet-ip-ranges \
    --auto-allocate-nat-external-ips

echo "To clean up:"
echo gcloud --project=$PROJECT compute routers nats delete --router-region $REGION --router nat-router nat-config
echo gcloud --project=$PROJECT compute routers delete nat-router --region $REGION