Publish a Docker image from Gitlab pipeline using Kaniko to Proget

[pmsensi]

Hello,

I'm trying to publish a Docker image from Gitlab pipeline using Kaniko to Proget.

With HTTP, everything goes smoothly, but with HTTPS, an error occurs: stream error: stream ID 47; HTTP_1_1_REQUIRED; received from peer

I checked all certificates, and they are valid.

Do you have any advice on continuing the troubleshooting?

The full error:
Pushing image to xxx.lokal:8625/dev-images/image-name:latest
error pushing image: failed to push to destination xxx.lokal:8625/dev-images/image-name:latest: Head "https://xxx.lokal:8625/v2/dev-images/image-name/blobs/sha256:944cb9daf72b35ac4c2a49b5ad6d66fd45e201e5fd2a67b47cb5d4b4c838f19e": stream error: stream ID 47; HTTP_1_1_REQUIRED; received from peer

Best Regards,
Pedro

[atripp]

Hi @pmsensi,

I'm sorry I'm not sure. The error HTTP_1_1_REQUIRED indicates that an intermediary (e.g., proxy or load balancer) is rejecting HTTP/2 requests and requiring HTTP/1.1.

So, I would check with the proxies or load balancers between Kaniko (running in your GitLab pipeline) and ProGet. I suspect it's interfering with HTTP/2 traffic, causing the server to fall back to HTTP/1.1.

Alternatively, you can try forcing Kaniko to use HTTP/1.1 instead of HTTP/2. I don't know how to do that, but there may be an --insecure flag that may also work.

Thanks,
Alana

[pmsensi]

Hello @atripp ,

Thank you for your help.

We have an intermediate certificate (proxy), which I think, as you point out, can be the problem. I will clarify with our IT department. Anyway, after reading a little bit more, there is a variable to force Kaniko to use HTTP/1.1.

 variables:
    GODEBUG: "http2client=0"

After adding that, everything works :)

Thank you!

Best Regards,
Pedro