1. Routing incoming requests to different Worker scripts

    TypeScript

    To route incoming requests to different Worker scripts, we can use Cloudflare's WorkerScript and WorkerRoute resources. Cloudflare Workers are serverless scripts that allow you to respond to incoming requests directly at the edge, enabling you to implement various functionality such as request routing, content modification, and more.

    Here's a step-by-step explanation of how to set up different worker scripts and route incoming requests to them using Pulumi with TypeScript:

    1. Define Worker Scripts: First, we will create the Cloudflare worker scripts that will process the incoming requests. Each WorkerScript resource represents a different logic or functionality you want to execute.

    2. Define Routes: We will then use the WorkerRoute resource to define patterns that match incoming requests. Each route pattern will be associated with one of the worker scripts we have defined.

    3. Deploy with Pulumi: With the resources defined, Pulumi will manage the creation of these resources in your Cloudflare account when you deploy the program.

    Please make sure you have the cloudflare provider configured with your Cloudflare account credentials. Now let's proceed with the Pulumi program in TypeScript:

    import * as cloudflare from "@pulumi/cloudflare"; const accountId = "your-cloudflare-account-id"; // Replace with your actual Cloudflare account ID. // Example Worker Script 1 const workerScriptOne = new cloudflare.WorkerScript("my-worker-one", { accountId: accountId, content: ` addEventListener("fetch", event => { event.respondWith(handleRequest(event.request)); }); async function handleRequest(request) { // Implement your logic for Worker One here return new Response('Response from Worker One', {status: 200}); } `, }); // Example Worker Script 2 const workerScriptTwo = new cloudflare.WorkerScript("my-worker-two", { accountId: accountId, content: ` addEventListener("fetch", event => { event.respondWith(handleRequest(event.request)); }); async function handleRequest(request) { // Implement your logic for Worker Two here return new Response('Response from Worker Two', {status: 200}); } `, }); // Routing pattern to Worker Script 1 const workerRouteOne = new cloudflare.WorkerRoute("my-worker-route-one", { zoneId: "your-zone-id", // Replace with your actual Cloudflare zone ID. pattern: "example.com/route1/*", scriptName: workerScriptOne.name, }); // Routing pattern to Worker Script 2 const workerRouteTwo = new cloudflare.WorkerRoute("my-worker-route-two", { zoneId: "your-zone-id", // Replace with your actual Cloudflare zone ID. pattern: "example.com/route2/*", scriptName: workerScriptTwo.name, }); // Export the URLs for the worker scripts (assuming they're deployed at the root of a domain) export const workerOneUrl = `https://example.com/route1/`; export const workerTwoUrl = `https://example.com/route2/`;

    In this program:

    • We import the cloudflare module, which provides the necessary resources to create and manage Cloudflare Workers and routes.
    • We create two worker scripts (workerScriptOne and workerScriptTwo) with their unique handling logic.
    • We route incoming requests based on URL patterns (example.com/route1/* and example.com/route2/*) to the respective worker scripts using the WorkerRoute resources (workerRouteOne and workerRouteTwo).
    • The zoneId is your Cloudflare zone ID, which corresponds to the domain you're configuring. You need to replace "your-zone-id" with the actual zone ID from your Cloudflare account.
    • The script name in the route configuration should match the name of the worker script resource.
    • We export the URLs that the worker scripts will respond to, which can be used to test the routing after the deployment.

    For more information on the individual resources and their properties, refer to the Cloudflare Pulumi documentation:

    Remember to replace placeholders like your-cloudflare-account-id, your-zone-id, and example.com with your actual account and domain information. After deploying this Pulumi program, incoming requests that match the defined patterns will be routed to the appropriate worker scripts where they will be handled as per the logic you've implemented in each script.


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