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author | Florian Klink <flokli@flokli.de> | 2023-11-18T10·44+0200 |
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committer | flokli <flokli@flokli.de> | 2023-11-19T13·19+0000 |
commit | be48ba75abf50e62fee8bd0540008a7de14597d7 (patch) | |
tree | ec70753b7b03693e29574bcd7b8222dbf749dde5 /tvix/castore | |
parent | 4e9e4b19efde60e976e85d41bc542f14c94c4bb5 (diff) |
feat(tvix/store/pathinfoservice): implement NixHTTPPathInfoService r/7038
NixHTTPPathInfoService acts as a bridge in between the Nix HTTP Binary cache protocol provided by Nix binary caches such as cache.nixos.org, and the Tvix Store Model. It implements the [PathInfoService] trait in an interesting way: Every [PathInfoService::get] fetches the .narinfo and referred NAR file, inserting components into a [BlobService] and [DirectoryService], then returning a [PathInfo] struct with the root. Due to this being quite a costly operation, clients are expected to layer this service with store composition, so they're only ingested once. The client is expected to be (indirectly) using the same [BlobService] and [DirectoryService], so able to fetch referred Directories and Blobs. [PathInfoService::put] and [PathInfoService::nar] are not implemented and return an error if called. This behaves very similar to the nar-bridge-pathinfo code in nar-bridge, except it's now in Rust. Change-Id: Ia03d4fed9d0657965d100299af97cd917a03f2f0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10069 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Diffstat (limited to 'tvix/castore')
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