Cloudinary plugin not working when deployed in k8s about cloudinary_wordpress

[pepoandra]

boiis (@Vdeub-cloudinary @pereirinha) i figured it out.

The problem was that Kubernetes elastic load balancer had the loadBalancerSourceRanges set to the IP ranges of the company's VPN.

But with the WP_REST_API or whatever's called, the server needs to be able to call itself.

The quick solution was to remove all IP ranges, in which case, the plugin works.

The real solution would be to add the server's VPC IP range to the loadBalancerSourceRanges so the calls the server makes to itself (The so called loopback) are not blocked by the ELB.

Thanks for your time.

[pereirinha]

Hey @pepoandra

Thank you for reaching out. I'll be performing some tests on my end, and I'll let you know about my findings.

[Vdeub-cloudinary]

Hi @pepoandra,

You should have received the invitation.

Best,
Loic

[pereirinha]

Thanks for sharing this, @pepoandra. We'll add it to our knowledge base.

[pereirinha]

Hi again @pepoandra

I just tested Cloudinary in a k8s environment running on Google Cloud, and I didn't find any issues.
You don't see in the logs the requests coming into your REST API infers that those aren't getting into WordPress.

Can you check if you're using any security measures to block access to the REST API? Is your endpoint /wp-json/cloudinary/v1 publicly available — can you please visit https://your-domain.com/wp-json/cloudinary/v1?

[pepoandra]

A bit more context:

This same deployment was working up until last week with Wordpress 4.4, Cloduinary 1.1 & PHP 5.6

So i don't think there's something about Kubernetes that's blocking the calls.

That being said, when I visit the endpoint you suggest, wp-json/cloudinary/v1, i get a 404.

[pepoandra]

Now I can't get it to work locally, for some reason. After it failed locally, I added the image to cloduinary's report.

Im not sure there's any useful information here, but sharing just in case.

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[pereirinha]

@pepoandra

Thanks for the updates.

A couple of things here to consider, as the internals from Cloudinary v1 to v2 changed dramatically.
The Cloudinary v2, released in March 2020, depends on WP REST API introduced in WP 4.7, in December 2016.

You might want to give it a try and install the plugin that was merged into the core to enable the REST API. Please note that this plugin is untouched for the last 5y and I'm unsure if it supports all the functionality we need in the most recent version of Cloudinary.

That being said, it's important to keep in mind that running so old versions of WordPress and plugins will accrue technical debt.

I hope this helps, but I don't think we'll provide further support for legacy versions.

[pepoandra]

Thanks for the info.

However, my problem is that I want to migrate to the new versions of PHP (5.6 -> 7.4), Wordpress (4.4 -> 5.7.2) & Cloudinary (1.1 -> 2.7.2) and I can't because the new cloudinary plugin is not working for me.

My current situation is that when I ran it locally, it stays in "Uploading to Cloudinary" for a couple minutes. Then it says 'Not Synced", without any errors. And if I re-push it to Cloudinary, then it immediately says "Synced".

I suspect that there might be some timeout happening.

And on Kubernetes, it just never uploads.

It seems to me that the problem involves the HTTP call POST /index.php?rest_route=/cloudinary/v1/queue

That sometimes doesn't happen,
sometimes it times out without responding, (i think)

Any advice as to how to debug this?

I tried with

define('WP_DEBUG', true);
define('DEBUG_SCRIPTS', true);

which was more verbose but didn't help me much, tbh.

Thanks once again for your time.

[pepoandra]

Update: I changed the permalink structure from plain text to post names & now I have access to
[my domain]/wp-json/cloudinary/v1

However, I still have the same issue of the call not being triggered & consequently the image not being uploaded.

Running WordPress 5.7.2 & Cloudinary 2.7.2

[pereirinha]

@pepoandra

Do you have enabled any service to prevent hotlinking of the images?
Also, is your domain protected by HTTP Basic auth?

[pepoandra]

Our domain is serving plain HTTP over HTTPS (I think), using only WordPress authentication but only accessible through the company's VPN.

Regarding the hotlinking of the images, I'm not sure what you mean, but that's another issue we have currently. Our images are now being uploaded to a folder in the docker container (Its a monopod)
In the next week or two we're going to add an Elastic Shared Volume on Kubernetes and have more than one pod.

[pepoandra]

Update: There was just no way around this error, none of the suggestions on this thread were useful at all & I couldn't find any documentation for this plugin.

So the solution was to downgrade the version of the plugin until I found one that worked. None of the 2.x versions worked.

So I installed v 1.1.8, which is problematic because it seems to have a serious memory leak when uploading images.

Conclusion: if PHP sucks & WordPress sucks, it was naive of me to expect this plugin not to suck just as much, if not more.

Welp. Now I know.

[Vdeub-cloudinary]

Hi @pepoandra,

Sorry for the inconvenience.

Would you be available for a call with @pereirinha and me in order to go over your configurations and see what could be the culprit here? So far, we have never been able to replicate the issues you are having.

Please let me know an email we can add to the invitation as I can't locate you in the company account and also your availabilities.

Best,
Loic

[pepoandra]

Absolutely.

Don't let my fleeting frustration fool you: I do appreciate the work you do & this plugin.

I'm available for a call whenever you'd like.

[Vdeub-cloudinary]

Hi @pepoandra,

Could you share an email and your availabilities for tomorrow or Friday?
Thanks!

[pepoandra]

you can contact me at pepo dot andrade at gmail dot com
im available tomorrow from 10h till 17h ((GMT-4)
Friday, 11h till 13h ((GMT-4)