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Authenitcate to registry tags list

Posted September 25, 2020 231 views
Kubernetes

Hi,

I did setup FluxCD.io in Kubernetes. It is to automate deployments. It reads the tags from a registry to look if there are new images, if there are, it will deploy them. I use the dockerconfig json to get the images. Flux tells me it using the same credentials to get the list of tags. But it get a unauthenticated error. I try to get the list of tags myself from the same link Flux uses, but I dont know how to authenticate.

How can I authenticate on this url: https://registry.digitalocean.com/v2/registry.digitalocean.com/{reponame}/{imagename}/tags/list

Thanks in advance!

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TomBrouwer
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TomBrouwer

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  • jkwiatkoski September 29, 2020
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    Hi there,

    Can you provide the error your request is receiving, is it a 401? Are you sure that the proper API token is being provided in that request from fluxcd?

    Regards,

    John Kwiatkoski

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TomBrouwer September 30, 2020

Hi I can not test it right now, I did setup it with Terraform, but cause a lot of work this week I disabled it. But I think I found the problem. It tries to get de tags list of:
https://registry.digitalocean.com/v2/registry.digitalocean.com/{reponame}/{imagename}/tags/list

It got a 401. If I try to get the list manually with the same ImagePullSecrets it is also unauthenticated. But when I use the url:

https://registry.digitalocean.com/v2/{reponame}/{imagename}/tags/list

I can authenticate, I do not know the reason exactly anymore why I was using the registry URL in the Flux manifest before the repo name. So this weekend I will apply the cluster with Terraform and try it without the registry as prefix.

Also good to know (I didnt know) the ‘WWW-Authenticate’ header will give more info about auth errors.

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