Is it possible to use CRON triggers with workers for platforms?

NNick Randall Is it possible to use CRON triggers with workers for platforms?

J

jman•7/4/24, 2:33 PM

I don’t believe so, directly, since I don’t see the CRON config available on the api docs for WFP

https://developers.cloudflare.com/api/

But one alternative would be to trigger with durable object alarms

Cloudflare API Documentation

Interact with Cloudflare's products and services via the Cloudflare API

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winnepeach•7/6/24, 5:03 AM

Can I call multiple user workers from a dynamic dispatch worker in a single request? And if so, how would that be billed?

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rob•7/6/24, 11:44 PM

Simultaneously ?

Rrob Simultaneously ?

L

Lume•7/7/24, 1:55 PM

In the same request to the dispatch worker.

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Lume•7/7/24, 3:52 PM

export default {
    async fetch(request, env) {
        try {
            
            let workerName1 = "worker1";
            let userWorker1 = env.dispatcher.get(workerName1);
            let result1 =  await userWorker1.fetch(request);

            let workerName2 = "worker2";
            let userWorker2 = env.dispatcher.get(workerName2);
            let result2 =  await userWorker2.fetch(request);
        } catch (e) {
            if (e.message.startsWith('Worker not found')) {
    
                return new Response('', { status: 404 });
            }
            return new Response(e.message, { status: 500 });
        }
    },
};

export default {
    async fetch(request, env) {
        try {
            
            let workerName1 = "worker1";
            let userWorker1 = env.dispatcher.get(workerName1);
            let result1 =  await userWorker1.fetch(request);

            let workerName2 = "worker2";
            let userWorker2 = env.dispatcher.get(workerName2);
            let result2 =  await userWorker2.fetch(request);
        } catch (e) {
            if (e.message.startsWith('Worker not found')) {
    
                return new Response('', { status: 404 });
            }
            return new Response(e.message, { status: 500 });
        }
    },
};

export default {
    async fetch(request, env) {
        try {
            
            let workerName1 = "worker1";
            let userWorker1 = env.dispatcher.get(workerName1);
            let result1 =  await userWorker1.fetch(request);

            let workerName2 = "worker2";
            let userWorker2 = env.dispatcher.get(workerName2);
            let result2 =  await userWorker2.fetch(request);
        } catch (e) {
            if (e.message.startsWith('Worker not found')) {
    
                return new Response('', { status: 404 });
            }
            return new Response(e.message, { status: 500 });
        }
    },
};

export default {
    async fetch(request, env) {
        try {
            
            let workerName1 = "worker1";
            let userWorker1 = env.dispatcher.get(workerName1);
            let result1 =  await userWorker1.fetch(request);

            let workerName2 = "worker2";
            let userWorker2 = env.dispatcher.get(workerName2);
            let result2 =  await userWorker2.fetch(request);
        } catch (e) {
            if (e.message.startsWith('Worker not found')) {
    
                return new Response('', { status: 404 });
            }
            return new Response(e.message, { status: 500 });
        }
    },
};

Can I do something like this, and how is this billed?

R

rob•7/7/24, 8:35 PM

try waitUntil also , if you dont want to wait for the first one to finish

Rrob try waitUntil also , if you dont want to wait for the first one to finish

L

Lume•7/8/24, 11:00 AM

Ok, but how will my example be billed? 2 requests or 1 request?

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Walshy•7/8/24, 11:05 AM

2

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Walshy•7/8/24, 11:05 AM

Each user Worker request is billed

WWalshy Each user Worker request is billed

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Lume•7/8/24, 3:43 PM

Thank you. If I don't call a user worker due to an error I won't be billed, right?

LLume Thank you. If I don't call a user worker due to an error I won't be billed, righ...

H

Hard@Work•7/9/24, 8:48 AM

You will be billed for the Dispatch Worker invocation, but not for any user Worker invocations

HHard@Work You will be billed for the Dispatch Worker invocation, but not for any user Work...

L

Lume•7/9/24, 11:05 AM

So in the above example I will be billed 3 times?? 1 Dispatch Worker invocation, 2 User Worker invocation

A

Ace•7/9/24, 11:09 AM

Hi, I have a question related to workers for platforms. is there a way to limit the max total usage of a user worker.
the usecase is as follows -

the user will deploy their own workers (+ durable objects).
our dispatch namespace will call the user worker.

however we'd want to avoid or block user-workers & durable objects if they exceed their usage tier limits (say 1million gb/s) . We'd like to ideally stop the workers & durable objects for that user (please note - we want to stop, and not permanently delete.)

ideally we'd wish there exists an api from which we can set & increase the limits. but in case that is not available.

how do we track individual usage per user worker script
how do we stop/block that worker, and later unblock it

from my understanding we'd have to do the blocking ourselves in the dispatch namespace. and maybe poll the usage analytics per user worker script from cloudflare api.

what would be the best way to achieve the above usecase. thankx for the help

O

ottermanempire•7/9/24, 3:38 PM

Hi, I'm using the Cloudflare for SaaS setup with workers. We added custom domains to SSL/TLS section -> Custom Hostnames section via the API a couple months ago. I'm noticing that one of our client domains has expired, do the domains not automatically renew? Will we need our clients to add new validation records every few months?

Oottermanempire Hi, I'm using the Cloudflare for SaaS setup with workers. We added custom domain...

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DaniFoldi•7/9/24, 4:44 PM

You can use (and I'd recommend) HTTP validation, which only needs the CNAME record to be in place. DNS validation, while recommended in the UI for some reason, needs manual intervention every time the cert has to be renewed, like you said

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Ace•7/10/24, 2:42 PM

do workers for platforms not show logs for durable objects? it is working in a normal worker/durable object. but for workers deployed to a dispatch namespace I can only see the logs produced by the dispatch worker & user-worker. but not the durable object. for both tail & logpush (worker trace events).

A

Ace•7/10/24, 7:17 PM

maybe relevant for this thread as well wrangler

HHard@Work You will be billed for the Dispatch Worker invocation, but not for any user Work...

L

Lume•7/13/24, 4:43 PM

Will I be billed 1 time or 3 times? 1 Dispatch Worker invocation, 2 User Worker invocation

O

ottermanempire•7/18/24, 1:42 PM

We had a client add the _acme-challenge and _cf-custom-hostname txt records as well as the cname records to their dns. However, cloudflare hasn't picked up the _acme-challenge record at all over the past week or so. Just walked them through and got them some new records since the 7 days until expiration was coming up. Is there a reason cloudflare might not be picking up the txt record? The client was using namecheap for their dns if that matters. (Edit: the new txt record isn't getting picked up either, confirmed on the call that it was set up correctly).

DDaniFoldi You can use (and I'd recommend) HTTP validation, which only needs the CNAME reco...

O

ottermanempire•7/18/24, 1:44 PM

Is TXT validation the same as the DNS validation you mentioned above? Is that the method where we'll have to have our clients renew their DNS records every few months?

O

ottermanempire•7/18/24, 2:00 PM

But this cname record prevents them from expiring?

LLume Will I be billed 1 time or 3 times? 1 Dispatch Worker invocation, 2 User Worker ...

A

Acе•7/19/24, 3:01 PM

They literally said you won’t get charged for the user worker invocations…

Ꭱ

ᎡᴜᴛʜʟᴇssŦᴀᴄᴛɪᴏɴ•7/21/24, 1:18 PM

Considering building out a rather simple SaaS offering on workers… Looking for clarification/confirmation on a couple things:

‘User Workers’ meaning… These would be workers that I am deploying on behalf of the customer… do customers have visibility of these workers/source code from their dashboard? I presume not (I would hope)

D1 and R2 access from these User Workers… this would be to MY instance yes? And I would be responsible for ensuring segregation of data as appropriate?

Placing limits for customers… This would be something I would need to implement myself from the dispatch worker correct?

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Walshy•7/21/24, 1:24 PM

‘User Workers’ meaning… These would be workers that I am deploying on behalf of the customer… do customers have visibility of these workers/source code from their dashboard? I presume not (I would hope)

They do not, you give as much visibility as you want on your own platform

D1 and R2 access from these User Workers… this would be to MY instance yes? And I would be responsible for ensuring segregation of data as appropriate?

correct

Placing limits for customers… This would be something I would need to implement myself from the dispatch worker correct?

correct

Ꭱ

ᎡᴜᴛʜʟᴇssŦᴀᴄᴛɪᴏɴ•7/21/24, 1:28 PM

Cool looks like I got my head on right lol.

Also, regarding serving pages/ui to customers… would this be better purely within a worker or durable object? Or could say a crafty Pages project be repurposed dynamically via the User Workers?

Ccharl.dev ah the script tag is actually not the tags, there is a `tag` and `tags` prop on ...

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wilsonianb•7/24/24, 6:16 PM

What exactly is the

tag

tag

tag

tag (not

tags

tags

tags

tags) field on the

script

script

script

script object?
https://developers.cloudflare.com/api/operations/namespace-worker-script-worker-details

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Jando•7/25/24, 1:15 AM

Hey all! Currently setting up a project for external script to be ran by my customers following the default example https://github.com/cloudflare/workers-for-platforms-example

but got alittle caught up everything seems to run the database stores and the dispatcher seem to be created but I think my question is around the outbound workers! Do I need to setup a default one for the users script to attach to? and or am I running down the wrong direction? I was under the assumption this hono server was the default dispatch worker and would return the result from the script!

GitHub

GitHub - cloudflare/workers-for-platforms-example: A great place fo...

A great place for platforms to get started on Cloudflare Workers! - cloudflare/workers-for-platforms-example

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Jando•7/25/24, 1:15 AM

Am I wrong here?

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Jando•7/25/24, 1:16 AM

Any help is much appreciated

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Jando•7/25/24, 1:47 AM

I was thinking it would work something like this but internally from that apt do i just need to ensure the dispatcher name-space matches?

 export default {
    async fetch(req, env) {
      const worker = env.DISPATCHER.get("customer-worker-1");
      return await worker.fetch(req);
    },
  };

 export default {
    async fetch(req, env) {
      const worker = env.DISPATCHER.get("customer-worker-1");
      return await worker.fetch(req);
    },
  };

 export default {
    async fetch(req, env) {
      const worker = env.DISPATCHER.get("customer-worker-1");
      return await worker.fetch(req);
    },
  };

 export default {
    async fetch(req, env) {
      const worker = env.DISPATCHER.get("customer-worker-1");
      return await worker.fetch(req);
    },
  };

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Jando•7/25/24, 2:14 AM

Figured it out

J

Jando•7/25/24, 2:14 AM

J

Jando•7/25/24, 2:14 AM

J

Jando•7/25/24, 2:15 AM

I had capitalized the binding from the intial demo to my wangler config and wasnt able to find it correctly!

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Ben•7/31/24, 12:04 AM

Hey does anybody here have experience stackblitz or some sort of "browser ide" to allow customers to create worker code?

BBen Hey does anybody here have experience stackblitz or some sort of "browser ide" t...

H

Hard@Work•7/31/24, 7:50 AM

The Playground?

Y

yaniv.efraim•8/5/24, 5:22 AM

Hey,
We're using the workers for platforms, and I want to monitor the number of

Workers for Platforms Scripts

Workers for Platforms Scripts

Workers for Platforms Scripts

Workers for Platforms Scripts (I have this section in our bill).
Can you please recommend the best practice for that?
I'm playing with the Graphql api, but cannot really find the best match to count the number of scripts (we have our users creating many of workers, and I want to be able to monitor that)
Thanks!

D

dsds10•8/7/24, 3:28 PM

I'm confused a bit, is "cloudflare for saas" a feature of "workers for platforms"? I'm trying to setup (the third time

) custom hostnames so that customers can point their domain to my worker. But I can't get this to work. The fallback origin is a worker, I've setup the

AAAA 100::

AAAA 100::

AAAA 100::

AAAA 100::, origin seems fine, hostname added, validation completed – but when I access the customer domain (that should be now pointing to my fallback origin (worker)), I always get a cf page with 522.

So do I need an activate "Workers for Platforms" (meaning do I have to upgrade my page plan in order to enable it?)

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dmaretskyi•8/9/24, 10:29 AM

Hi, are the docs for local development up to date? https://developers.cloudflare.com/cloudflare-for-platforms/workers-for-platforms/get-started/developing-with-wrangler/

The

wrangler@dispatch-namespaces-dev

wrangler@dispatch-namespaces-dev

wrangler@dispatch-namespaces-dev

wrangler@dispatch-namespaces-dev release seems to be 4 months old

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Richard•8/9/24, 10:55 AM

Has anyone manage to get aws sdks to work in Tail Workers? workers-and-pages-helpAWS SDK in Tail Worker?

Ddmaretskyi Hi, are the docs for local development up to date? https://developers.cloudflare...

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Beny•8/10/24, 11:49 AM

It just hasn't had any updates - see the thread on github

BBeny It just hasn't had any updates - [see the thread on github](https://github.com/c...

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dmaretskyi•8/11/24, 10:15 AM

Right, I’m just wondering since that dev package is so old, would it be significantly behind what’s currently latest on npm?

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Alex.•8/15/24, 6:06 PM

How I change Change My Website FIles In Workers And Pages

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dwayn•8/16/24, 12:00 AM

wokrers for platforms can use eval?

Ddwayn wokrers for platforms can use eval?

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Isaac McFadyen•8/16/24, 12:01 AM

No. Eval is prohibited on all Workers, even WfP.

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Isaac McFadyen•8/16/24, 12:02 AM

What you can do on WfP is upload a Worker via the API and then run it from your dispatch Worker - so kind of like a slower eval.

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dwayn•8/16/24, 12:02 AM

So make a new workers per script?

Is it possible to use CRON triggers with workers for platforms?

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