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authorFlorian Klink <flokli@flokli.de>2023-11-18T10·44+0200
committerflokli <flokli@flokli.de>2023-11-19T13·19+0000
commitbe48ba75abf50e62fee8bd0540008a7de14597d7 (patch)
treeec70753b7b03693e29574bcd7b8222dbf749dde5 /tvix/crate-hashes.json
parent4e9e4b19efde60e976e85d41bc542f14c94c4bb5 (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/crate-hashes.json')
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