Module tvix_store::pathinfoservice

Re-exports

• pub use crate::path_info::PathInfo;

Modules

• bigtable 🔒
• cache 🔒
• from_addr 🔒
• fs 🔒
• grpc 🔒
• lru 🔒
• memory 🔒
• nix_http 🔒
• redb 🔒
• signing_wrapper 🔒
  This module provides a PathInfoService implementation that signs narinfos

Structs

• BigtableParameters
  Represents configuration of BigtablePathInfoService. This currently conflates both connect parameters and data model/client behaviour parameters.
• BigtablePathInfoService
  Provides a PathInfoService implementation using Bigtable as an underlying K/V store.
• CachePathInfoService
  Asks near first, if not found, asks far. If found in there, returns it, and inserts it into near. There is no negative cache. Inserts and listings are not implemented for now.
• CachePathInfoServiceConfig
• GRPCPathInfoService
  Connects to a (remote) tvix-store PathInfoService over gRPC.
• GRPCPathInfoServiceConfig
• KeyFileSigningPathInfoServiceConfig
  ServiceBuilder implementation that builds a SigningPathInfoService that signs narinfos using a keyfile. The keyfile is parsed using parse_keypair, the expected format is the nix one (nix-store --generate-binary-cache-key for more informations).
• LruPathInfoService
• LruPathInfoServiceConfig
• MemoryPathInfoService
• MemoryPathInfoServiceConfig
• NixHTTPPathInfoService
  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.
• NixHTTPPathInfoServiceConfig
• RedbPathInfoService
  PathInfoService implementation using redb under the hood. redb stores all of its data in a single file with a K/V pointing from a path’s output hash to its corresponding protobuf-encoded PathInfo.
• RedbPathInfoServiceConfig
• SigningPathInfoService
  PathInfoService that wraps around an inner PathInfoService and when put is called it extracts the underlying narinfo and signs it using a SigningKey. For the moment only the ed25519::signature::Signered25519::Signature is available using a keyfile (see KeyFileSigningPathInfoServiceConfig for more informations). However the implementation is generic (see nix_compat::narinfo::SigningKey documentation).

Traits

• PathInfoService
  The base trait all PathInfo services need to implement.

Functions

• from_addr
  Constructs a new instance of a PathInfoService from an URI.
• make_fs
  Helper to construct a TvixStoreFs from a BlobService, DirectoryService and PathInfoService. This avoids users to have to interact with the wrapper struct directly, as it leaks into the type signature of TvixStoreFS.
• register_pathinfo_services 🔒
  Registers the builtin PathInfoService implementations with the registry