buildx imagetools issue with gitlab registries
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Description
Contributing guidelines
- I've read the contributing guidelines and wholeheartedly agree
I've found a bug and checked that ...
- ... the documentation does not mention anything about my problem
- ... there are no open or closed issues that are related to my problem
Description
I am getting an error in docker:29 images when doing
docker buildx imagetools create
unknown: Schema 2 manifest not supported by client
This does not happen in docker:28
Expected behaviour
I would expect to not get this schema 2 error.
It didn't happen for me with local docker so I don't know what exactly is going on with docker buildx that has been included in the docker base images.
Actual behaviour
Problem:
With the docker:28 based image I can do this
docker run -it --entrypoint sh docker:28
docker buildx version
github.com/docker/buildx v0.29.1 a32761aeb3debd39be1eca514af3693af0db334b
/usr/local/bin/docker-entrypoint.sh sh
docker login registry.gitlab.com/registry/myregistry -u username
password
docker buildx imagetools create "docker.elastic.co/elasticsearch/elasticsearch:8.18.8" --tag registry.gitlab.com/registry/myregistry/elasticsearch:8.18.8
If I switch the image from docker:28 to docker:29
docker buildx version
/usr/local/bin/docker-entrypoint.sh sh
docker login registry.gitlab.com/registry/myregistry -u username
password
github.com/docker/buildx v0.30.1 9e66234aa13328a5e75b75aa5574e1ca6d6d9c01
docker buildx imagetools create "docker.elastic.co/elasticsearch/elasticsearch:8.18.8" --tag registry.gitlab.com/registry/myregistry/elasticsearch:8.18.8
[+] Building 2.3s (1/1) FINISHED
=> ERROR [internal] pushing registry.gitlab.com/registry/myregistry/elasticsearch:8.18.8 2.3s
------
> [internal] pushing registry.gitlab.com/registry/myregistry/elasticsearch:8.18.8:
0.000 copying sha256:24650e8f5783f04b1859c6e32d11ddbf5daa84e4ce491ccf92fac848f251f37a from docker.elastic.co/elasticsearch/elasticsearch:8.18.8 to registry.gitlab.com/registry/myregistry/elasticsearch:8.18.8
0.000 copying sha256:ce62ac650a4ebe653b0fb41f20cfd5f80a7ae188560ad709947b272d73150ba8 from docker.elastic.co/elasticsearch/elasticsearch:8.18.8 to registry.gitlab.com/registry/myregistry/elasticsearch:8.18.8
------
ERROR: unexpected status from GET request to https://docker.elastic.co/v2/elasticsearch/elasticsearch/manifests/sha256-d413f19aaeec97c924161c405f12a2c907552c640d7239766f05b17ea94382f1: 400 Bad Request
unknown: Schema 2 manifest not supported by client
Buildx version
github.com/docker/buildx v0.30.1 9e66234aa13328a5e75b75aa5574e1ca6d6d9c01
Docker info
docker info
Client:
Version: 29.1.5
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.30.1
Path: /usr/local/libexec/docker/cli-plugins/docker-buildx
compose: Docker Compose (Docker Inc.)
Version: v5.0.1
Path: /usr/local/libexec/docker/cli-plugins/docker-compose
Builders list
docker buildx ls
NAME/NODE DRIVER/ENDPOINT STATUS BUILDKIT PLATFORMS
default* error
Configuration
docker run -it --entrypoint sh docker:29
its in the public image
Build logs
Additional info
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the docker buildx imagetools create entry point and reproduce the command against the Docker 28 and Docker 29 images, comparing buildx v0.29.1 and v0.30.1. Trace the manifest request that returns the schema error; done means the same Elasticsearch image can be copied to the GitLab registry without the schema 2 failure.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, gitlab, go
- Domain
- build-system, cli
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100