Cloudflare Developers•2y ago

if you use cloudflare pages, i think you can have a binding to a kv

VVoids so then how do I have my site communicate to the work

abelOP•4/6/24, 4:17 PM

using javascript

Voids•4/6/24, 4:17 PM

post and fetch requests?

abelOP•4/6/24, 4:17 PM

yes

Aabel if you use cloudflare pages, i think you can have a binding to a kv

rob•4/6/24, 4:20 PM

yes you can with cf pages

rob•4/6/24, 4:20 PM

Bind it in the dash and you can access it on server routes which are workers anyway afaik

VVoids post and fetch requests?

rob•4/6/24, 4:21 PM

yes fetch the worker and get back the response, Your site > Worker > KV .. KV comes back thru worker to your site via a fetch

Walshy•4/6/24, 4:21 PM

(or with wrangler.toml)

Rrob yes fetch the worker and get back the response, Your site > Worker > KV .. KV co...

Voids•4/6/24, 4:22 PM

but how do I tell te worker to do that, thats what Im having trouble with

rob•4/6/24, 4:27 PM

Do you have a worker deployed? and if so, did you deploy via wrangler or The web Ui

Rrob Do you have a worker deployed? and if so, did you deploy via wrangler or The we...

Voids•4/6/24, 4:27 PM

yes, web ui

rob•4/6/24, 4:29 PM

Did create a KV and bind it to the worker in the settings on the Web UI ?

Rrob Did create a KV and bind it to the worker in the settings on the Web UI ?

Voids•4/6/24, 4:30 PM

yes

abelOP•4/6/24, 4:32 PM

in the worker you would have a router

abelOP•4/6/24, 4:32 PM

using something like hono

abelOP•4/6/24, 4:33 PM

you create an endpoint that responds with the key or performs a write

abelOP•4/6/24, 4:33 PM

and then call that endpoint

Voids•4/6/24, 4:35 PM

you lost me after hav a.....

abelOP•4/6/24, 4:37 PM

a router is basically a big if statement that says, if the request url is a do this action and provide this response, if it’s b do this other action and provide this other response

abelOP•4/6/24, 4:37 PM

look up the documentation for hono

abelOP•4/6/24, 4:37 PM

you would need a get endpoint for your read, and a post endpoint for your write

rob•4/6/24, 4:39 PM

for the sake of simplicity you don't need hono for routes, workers can do routing natively

Voids•4/6/24, 4:43 PM

so then how would I get a worker to do this, IM so confused

Voids•4/6/24, 4:45 PM

I cant get the worker to communicate with the kv

VVoids I cant get the worker to communicate with the kv

rob•4/6/24, 6:06 PM

got you in dm

runner5•4/7/24, 8:54 PM

Hey! Sorry if this is the wrong place. I am trying to bind a KV for a specific environment and now the KV doesn't bind correctly in the code. This is what I see in the terminal on startup:

Vars:
...
  - kv-namespaces: [
 {
  "binding": "XYZ",
  "id": "ASDF"
 }
]

Vars:
...
  - kv-namespaces: [
 {
  "binding": "XYZ",
  "id": "ASDF"
 }
]

Before this, I was binding at the top level and this worked as expected where I could access the KV by just doing env.XYZenv.XYZ in code but now it is an array which can't be interacted with. Any help is appreciated! Happy to paste some of the toml and what not if that would be helpful!

kian•4/7/24, 9:01 PM

You've got kv_namespaces = [kv_namespaces = [ below [vars][vars]

kian•4/7/24, 9:01 PM

Move it above

runner5•4/7/24, 9:13 PM

That helped massively! Thank you so much. For anyone else, this was the final result:

[env.dev]
kv_namespaces = [
    { binding = "XYZ", id="ASDF" }
]
vars = { DISCORD_TOKEN = "WER", DISCORD_PUBLIC_KEY = "GFD",  DISCORD_APPLICATION_ID = "ASFD" }

[env.dev]
kv_namespaces = [
    { binding = "XYZ", id="ASDF" }
]
vars = { DISCORD_TOKEN = "WER", DISCORD_PUBLIC_KEY = "GFD",  DISCORD_APPLICATION_ID = "ASFD" }

I had the section labeled as

env.dev.vars

env.dev.vars

Rrunner5 That helped massively! Thank you so much. For anyone else, this was the final re...

andrewp•4/8/24, 4:05 PM

Usage is documented here for anyone else looking: https://developers.cloudflare.com/workers/wrangler/environments/#non-inheritable-keys-and-environments

Cloudflare Docs

Environments · Cloudflare Workers docs

Deploy the same Worker application with different configuration for each environment.

kian•4/8/24, 5:36 PM

It's an annoying intersection between Wrangler's configuration and TOML.

kian•4/8/24, 5:36 PM

Wrangler's configuration really doesn't suit TOML.

kian•4/8/24, 5:37 PM

You can opt-in to wrangler.json with a flag if that's easier

Gagan Suie•4/9/24, 2:30 AM

is KV down?
API Request Failed: GET

GGagan Suie is KV down? API Request Failed: GET

Chaika•4/9/24, 2:32 AM

don't think KV itself is, the api/dash currently seems to be taking a dive though, hopefully status page soon

Gagan Suie•4/9/24, 2:33 AM

well my DO websockets just stopped connecting. so i was wondering if it was realted.

Gagan Suie•4/9/24, 2:33 AM

in dev and prod. works fine in local. :/

Chaika•4/9/24, 2:34 AM

I wouldn't think so. These issues are almost exclusively just api/dash stuff (control plane), internal components like DOs/Workers are rock solid. Haven't had an issue with them even during wider outages like the Nov 2023 one

Gagan Suie•4/9/24, 2:52 AM

now wrangler-action is failing:

Gagan Suie•4/9/24, 2:52 AM

same error on workers and pages

Chaika•4/9/24, 2:52 AM

kv api still dead: https://www.cloudflarestatus.com/incidents/w5c2r6mqjshl

Cloudflare API Failures

Chaika•4/9/24, 2:52 AM

(among a few others/some other impact)

Gagan Suie•4/9/24, 2:52 AM

ah i see it on status page now

Gagan Suie•4/9/24, 2:53 AM

AKStriker98•4/9/24, 7:17 PM

Quick question, is there a way to get the KV database to log changes made in the dashboard? I want to create an audit log in case an account holder accidentally deletes a key and I need to be alerted on it.

AAKStriker98 Quick question, is there a way to get the KV database to log changes made in the...

Chaika•4/9/24, 8:03 PM

no, from the dash the only events are namespace creation/deletion

Chaika•4/9/24, 8:04 PM

they talked about having something like this here:
https://blog.cloudflare.com/data-anywhere-events-pipelines-durable-execution-workflows

Event Notifications for R2 are just the beginning, though. There are many kinds of events you might want to trigger as a developer — these are just some of the event types we’re planning to support:

Changes (writes) to key-value pairs in your Workers KV namespaces.
Updates to your D1 databases, including changed rows or triggers.

AKStriker98•4/9/24, 8:19 PM

Thanks, missed the note that it’s in beta for R2 but seems like will come out to others later

AAmby would it be possible to support strong consistency on workers kv in the future?

AndyJessop•4/10/24, 7:53 AM

Implementing strong consistency would negate the main benefit of KV, which is low-latency reads, as strong consistency would require a single source of truth. If you need a KV store with strong consistency, you should probably use a Durable Object's Transactional Storage: https://developers.cloudflare.com/durable-objects/api/transactional-storage-api/

if you use cloudflare pages, i think you can have a binding to a kv

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