k8s port forward using https://google.github.io/zx/

forward.mjs

#!/usr/bin/env zx

const account = process.argv[3];
const cluster = process.argv[4];
const target = process.argv[5];
const port = process.argv[6];
if (!target || !port) {
  console.error("Usage: forward.mjs <account> <cluster> <target> <port>");
  console.error("Example: forward.mjs 1234567890 cluster-dev my-api 8000");
  process.exit(1);
}
await $`aws eks update-kubeconfig --name ${cluster} --region eu-west-1 --profile ${account}_administrator-access`;
const podInfo = await $`kubectl get pods --all-namespaces -o json`;
const result = JSON.parse(podInfo.stdout).items.find((p) =>
  p.metadata?.name.startsWith(target)
);
if (!result) {
  console.error(`Pod not found for target ${target}`);
  process.exit(1);
}
const { namespace, name } = result.metadata;
if (!namespace || !name) {
  console.error(`Pod not found for target ${target}`);
  process.exit(1);
}
console.log(`Forwarding ${namespace}/${name} to ${port}`);
await $`kubectl port-forward -n ${namespace} pod/${name} ${port}:${port}`.pipe(
  process.stdout
);