2d51da7f40
`code.tvl.fyi/tvix/store/protos` now points to a directory that only contains the `.proto` files, while all golang tooling and .pb.go files live in tvix/store-go. As discussed in https://cl.tvl.fyi/c/depot/+/9787/comment/fc5d155c_1bd38e3a/, the amount of people currently using this is still small, so rename the go.mod now, while it doesn't yet hurt. Also, use code.tvl.fyi/tvix/castore-go instead of code.tvl.fyi/tvix/ castore/protos, to make use of cl/9791. Change-Id: I9ea89957d7c29dfae4c893b9aae8ac8a0bad2d8e Reviewed-on: https://cl.tvl.fyi/c/depot/+/9792 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: Connor Brewster <cbrewster@hey.com>
77 lines
2.9 KiB
Protocol Buffer
77 lines
2.9 KiB
Protocol Buffer
// SPDX-License-Identifier: MIT
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// Copyright © 2022 The Tvix Authors
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syntax = "proto3";
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package tvix.store.v1;
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import "tvix/store/protos/pathinfo.proto";
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import "tvix/castore/protos/castore.proto";
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option go_package = "code.tvl.fyi/tvix/store-go;storev1";
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service PathInfoService {
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// Return a PathInfo message matching the criteria specified in the
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// GetPathInfoRequest message.
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rpc Get(GetPathInfoRequest) returns (PathInfo);
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// Upload a PathInfo object to the remote end. It MUST not return until the
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// PathInfo object has been written on the the remote end.
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//
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// The remote end MAY check if a potential DirectoryNode has already been
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// uploaded.
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//
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// Uploading clients SHOULD obviously not steer other machines to try to
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// substitute before from the remote end before having finished uploading
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// PathInfo, Directories and Blobs.
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// The returned PathInfo object MAY contain additional narinfo signatures,
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// but is otherwise left untouched.
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rpc Put(PathInfo) returns (PathInfo);
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// Calculate the NAR representation of the contents specified by the
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// root_node. The calculation SHOULD be cached server-side for subsequent
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// requests.
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//
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// All references (to blobs or Directory messages) MUST already exist in
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// the store.
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//
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// The method can be used to produce a Nix fixed-output path, which
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// contains the (compressed) sha256 of the NAR content representation in
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// the root_node name (suffixed with the name).
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//
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// It can also be used to calculate arbitrary NAR hashes of output paths,
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// in case a legacy Nix Binary Cache frontend is provided.
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rpc CalculateNAR(tvix.castore.v1.Node) returns (CalculateNARResponse);
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// Return a stream of PathInfo messages matching the criteria specified in
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// ListPathInfoRequest.
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rpc List(ListPathInfoRequest) returns (stream PathInfo);
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}
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// The parameters that can be used to lookup a (single) PathInfo object.
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// Currently, only a lookup by output hash is supported.
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message GetPathInfoRequest {
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oneof by_what {
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// The output hash of a nix path (20 bytes).
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// This is the nixbase32-decoded portion of a Nix output path, so to substitute
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// /nix/store/xm35nga2g20mz5sm5l6n8v3bdm86yj83-cowsay-3.04
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// this field would contain nixbase32dec("xm35nga2g20mz5sm5l6n8v3bdm86yj83").
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bytes by_output_hash = 1;
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};
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}
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// The parameters that can be used to lookup (multiple) PathInfo objects.
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// Currently no filtering is possible, all objects are returned.
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message ListPathInfoRequest { }
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// CalculateNARResponse is the response returned by the CalculateNAR request.
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//
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// It contains the size of the NAR representation (in bytes), and the sha56
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// digest.
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message CalculateNARResponse {
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// This size of the NAR file, in bytes.
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uint64 nar_size = 1;
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// The sha256 of the NAR file representation.
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bytes nar_sha256 = 2;
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}
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