#!/usr/bin/env bash

# Adapted from https://github.com/kubernetes/kubernetes/issues/72597#issuecomment-693149447

set -e

function cleanup {{
  echo "Cleaning up {temp_pod_name}"
  kubectl {context_arg} {namespace_arg} delete pod/{temp_pod_name} --grace-period 1 --wait=false
}}

trap cleanup EXIT

kubectl run {context_arg} {namespace_arg} --restart=Never --overrides='{{"metadata": {{"annotations": {{"linkerd.io/inject": "disabled"}}}}, "spec": {{"activeDeadlineSeconds": 28800}}}}' --image=alpine/socat {temp_pod_name} -- -d -d tcp-listen:{remote_port},fork,reuseaddr tcp-connect:{remote_host}:{remote_port}
kubectl wait {context_arg} {namespace_arg} --for=condition=Ready pod/{temp_pod_name}
kubectl port-forward {context_arg} {namespace_arg} pod/{temp_pod_name} {local_port}:{remote_port}