export default { async fetch(request, env, ctx) { const results = {}; for (const key of ["VPC_NETWORK_TUNNEL", "VPC_NETWORK_MESH"]) { try { const response = await env[key].fetch("http://10.0.0.1:8080/"); results[key] = await response.text(); } catch (e) { const name = e.constructor?.name ?? "Error"; results[key] = `${name}: ${e.message}`; } } return new Response(JSON.stringify(results)); }, };