alanedwardes / estranged.lfs Goto Github PK
View Code? Open in Web Editor NEWA Git LFS server implementation in C# designed to run in a serverless environment.
Home Page: https://alanedwardes.github.io/docs/Estranged.Lfs/
License: MIT License
A Git LFS server implementation in C# designed to run in a serverless environment.
Home Page: https://alanedwardes.github.io/docs/Estranged.Lfs/
License: MIT License
This may be an overkill suggestion, but as it doesn't seem possible (or easy) to add route prefixes to third-party controllers, I decided to convert them to minimal API methods. This may allow more user flexibility, if for some reason a user may require more configuration beyond customizing the route prefix.
Example for POST /objects/batch
:
public static void MapGitHubLfsBatch(this IEndpointRouteBuilder endpoints, string pathBase = "")
{
endpoints.MapPost($"{pathBase}/objects/batch", async (IObjectManager objectManager, [FromBody] BatchRequest request) =>
{
return request.Operation switch
{
LfsOperation.Upload => new BatchResponse
{
Transfer = request.Transfers.First(),
Objects = await objectManager.UploadObjects(request.Objects, GenerateTimeoutToken())
.ConfigureAwait(false)
},
LfsOperation.Download => new BatchResponse
{
Transfer = request.Transfers.First(),
Objects = await objectManager.DownloadObjects(request.Objects, GenerateTimeoutToken())
.ConfigureAwait(false)
},
_ => throw new Exception("Method not implemented")
};
}).AddEndpointFilter<BasicAuthEndpointFilter>();
static CancellationToken GenerateTimeoutToken() => new CancellationTokenSource(TimeSpan.FromSeconds(25)).Token;
}
*Note: BasicAuthEndpointFilter
is just a copy of the already existing BasicAuthFilter
, converted to implement IEndpointFilter
instead of IAsyncActionFilter
.
I would be happy to submit a PR, but always like asking in Issues before bothering to do so.
Hello Alan,
Huge thanks to you to provide a working out of the box solution!
The ideal solution (at least for me) would be to use OVH Object Storage (hosted in France and cheaper) instead than AWS S3.
But I am new to cloud and it looks confusing, so maybe you see clearly what should be done to configure Estranged.Lfs.
OVH say that they are S3-compatible, here is their guide.
Does it mean that is is possible to use your solution as is ? (only changing the S3 URL somehow)
Or is it needed to implement a IBlobAdapter? By using AmazonS3Client too?
I am a bit lost...
Using the Amazon S3 template results in an LFS: Authorization error. "Check that you have proper access to the repository"
Everything was generated via the Cloudfront template so I'm not sure where access is being denied.
git lfs prune --verify-remote
behave unexpectedly when combined with Estranged.Lfs .
It seems Estranged.Lfs always responds to inquiries with a positive answer that is as if "the file in question does exists" unconditionally.
Hi,
I am using this library with the Estranged.Lfs.Api and Estranged.Lfs.Authenticator.GitHub addons.
Not sure if this is an issue on my end, but looking at source code and other examples, I have built my own IBlobAdapter
, which will return errors in certain circumstances. Testing this in Postman locally, my error
object is populated and code
is set, but the status code returned by the server is still 200 OK. It would be nice to set the status code in the response when handled internally by the library, as as far as I'm aware I do not have control over this.
Hi,
Thanks, I was looking for a self-hosted alternative to GitHub's LFS storage because I'm currently blasting through my LFS storage limit's. I came across your library and blog posts which is exactly what I was looking for.
The thing is I would like to store my LFS files in the Azure cloud, so I decided to code support for azure blob storage (basically the Azure equivalent of S3).
I'll open a PR once I'm done, so you can take a look.
Let me know what you think.
Stephanvs
I previously tried using the magic link from your blog to set up the stack. Since I'm in us-west I thought changing the console region would do the trick, but not quite.
After getting the manual setup to work (thanks for the git lfs version hint!), I looked at the git-lfs.yaml and am seeing that the line:
Code: S3Bucket: !Sub 'ae-infrastructure-${AWS::Region}' S3Key: git-lfs/git-lfs-lambda.zip
Should actually hardcode the region in this case (as its pointing to the packaged version of this codebase you've kindly uploaded to eu-west-1). So instead the code should be:
Code: S3Bucket: !Sub 'ae-infrastructure-eu-west-1.s3.amazonaws.com' S3Key: git-lfs/git-lfs-lambda.zip
Estranged.Lfs only supports authentication via GitHub and BitBucket. A GitLab authentication method would be highly desired. Estranged.Lfs uses Octokit for connecting with the Github API (to authenticate user). Maybe GitLabApiClient could be used to implement a similar authentication method for GitLab.
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