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2023-09-18 r/6606 refactor(tvix/store/blobsvc): make BlobStore asyncFlorian Klink1-1/+2
We previously kept the trait of a BlobService sync. This however had some annoying consequences: - It became more and more complicated to track when we're in a context with an async runtime in the context or not, producing bugs like https://b.tvl.fyi/issues/304 - The sync trait shielded away async clients from async worloads, requiring manual block_on code inside the gRPC client code, and spawn_blocking calls in consumers of the trait, even if they were async (like the gRPC server) - We had to write our own custom glue code (SyncReadIntoAsyncRead) to convert a sync io::Read into a tokio::io::AsyncRead, which already existed in tokio internally, but upstream ia hesitant to expose. This now makes the BlobService trait async (via the async_trait macro, like we already do in various gRPC parts), and replaces the sync readers and writers with their async counterparts. Tests interacting with a BlobService now need to have an async runtime available, the easiest way for this is to mark the test functions with the tokio::test macro, allowing us to directly .await in the test function. In places where we don't have an async runtime available from context (like tvix-cli), we can pass one down explicitly. Now that we don't provide a sync interface anymore, the (sync) FUSE library now holds a pointer to a tokio runtime handle, and needs to at least have 2 threads available when talking to a blob service (which is why some of the tests now use the multi_thread flavor). The FUSE tests got a bit more verbose, as we couldn't use the setup_and_mount function accepting a callback anymore. We can hopefully move some of the test fixture setup to rstest in the future to make this less repetitive. Co-Authored-By: Connor Brewster <cbrewster@hey.com> Change-Id: Ia0501b606e32c852d0108de9c9016b21c94a3c05 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9329 Reviewed-by: Connor Brewster <cbrewster@hey.com> Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-09-05 r/6557 feat(tvix/store): fix ctrl-c handling on mount commandFlorian Klink1-1/+1
This enables the tokio `signal` feature, and registers a ctrl_c signal handler, which will use the unmount handle to unmount in case a ctrl-c signal is received. This avoids having disconnected mountpoints when Ctrl-C'ing a `tvix-store mount` invocation. In case the filesystem is unmounted externally (via `umount /path/to/ mountpoint`), the future is waiting for the signal is never resolved and the task is stopped. Change-Id: I149f705a6cb50188177f2a6c6a5fcd77218e2a3f Reviewed-on: https://cl.tvl.fyi/c/depot/+/9218 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-09-05 r/6553 chore(tvix/store): drop walkdir workaround for symlinks at rootFlorian Klink1-1/+1
https://github.com/BurntSushi/walkdir/pull/170 got merged, meaning we don't need to keep our own logic in here anymore. Our test cases already cover this. Change-Id: Ied3043ee651c8aafa10271c1e1ca5d460fb6c0b8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9269 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-09-04 r/6550 refactor(tvix/{cli,store}): move TvixStoreIO to tvix-cli crateFlorian Klink1-1/+0
This trait is eval-specific, there's no point in dealing with these things in tvix-store. This implements the EvalIO interface for a Tvix store. The proper place for this glue code (for now) is tvix-cli, which knows about both tvix-store and tvix-eval. There's one annoyance with this move: The `tvix-store import` subcommand previously also used the TvixStoreIO implementation (because it conveniently did what we wanted). Some of this code had to be duplicated, mostly logic to calculate the NAR-based output path and create the PathInfo object. Some, but potentially more of this can be extracted into helper functions in a shared crate, and then be used from both TvixStoreIO in tvix-cli as well as the tvix-store CLI entrypoint. Change-Id: Ia7515e83c1b54f95baf810fbd8414c5521382d40 Reviewed-on: https://cl.tvl.fyi/c/depot/+/9212 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-06-14 r/6302 feat(tvix/store/blobsvc): add from_addrFlorian Klink1-0/+1
This allows constructing blob stores with a URL syntax at runtime, by passing the --blob-service-addr arg. We probably still want to have some builder pattern here, to allow additional schemes to be registered. Change-Id: Ie588ff7a7c6fb64c9474dfbd2e4bc5f168dfd778 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8742 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-06-10 r/6261 chore(tvix/store): add fuse featureFlorian Klink1-1/+10
This brings in fuse (via the `fuser` crate), and adds pkg-config and libfuse to the dev shell, so `cargo build` can link against it. Change-Id: I0d11607490e27d946bdf92b0b9e45f9ab644ba74 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8664 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-05-24 r/6191 feat(tvix/store): implement TvixStoreIOFlorian Klink1-0/+3
This providesEvalIO, asking given PathInfoService, DirectoryService and BlobService. Change-Id: I32f210f5a7aa8173ad9a7d53e8a5ac03619f527a Reviewed-on: https://cl.tvl.fyi/c/depot/+/8561 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-11 r/6133 refactor(tvix/store): remove ChunkServiceFlorian Klink1-1/+2
Whether chunking is involved or not, is an implementation detail of each Blobstore. Consumers of a whole blob shouldn't need to worry about that. It currently is not visible in the gRPC interface either. It shouldn't bleed into everything. Let the BlobService trait provide `open_read` and `open_write` methods, which return handles providing io::Read or io::Write, and leave the details up to the implementation. This means, our custom BlobReader module can go away, and all the chunking bits in there, too. In the future, we might still want to add more chunking-aware syncing, but as a syncing strategy some stores can expose, not as a fundamental protocol component. This currently needs "SyncReadIntoAsyncRead", taken and vendored in from https://github.com/tokio-rs/tokio/pull/5669. It provides a AsyncRead for a sync Read, which is necessary to connect our (sync) BlobReader interface to a GRPC server implementation. As an alternative, we could also make the BlobReader itself async, and let consumers of the trait (EvalIO) deal with the async-ness, but this is less of a change for now. In terms of vendoring, I initially tried to move our tokio crate to these commits, but ended up in version incompatibilities, so let's vendor it in for now. Change-Id: I5969ebbc4c0e1ceece47981be3b9e7cfb3f59ad0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8551 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-05-10 r/6131 chore(tvix): bump cargo dependenciesFlorian Klink1-3/+3
Change-Id: I6b872a33885f4e29082c554062a60317db754188 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8550 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: Johannes Kirschbauer <hsjobeki+github@gmail.com>
2023-03-27 r/6044 feat(tvix/store/directorysvc): add gRPC clientFlorian Klink1-1/+2
This provides a GRPCDirectoryService struct implementing DirectoryService, allowing a client to Directory objects from a (remote) tvix-store. Remote in this case is anything outside the current process, be it another process, or an endpoint on the network. To keep the sync interface in the `DirectoryService` trait, a handle to some tokio runtime needs to be passed into the constructor, and the two methods use `self.tokio_handle.spawn` to start an async function, and `self.tokio_handle.block_on` to wait for its completion. The client handle, called `grpc_client` itself is easy to clone, and treats concurrent requests internally. This means, even though we keep the `DirectoryService` trait sync, there's nothing preventing it from being used concurrently, let's say from multiple threads. There's still two limitations for now: 1) The trait doesn't make use of the `recursive` request, which currently leads to a N+1 query problem. This can be fixed by `GRPCDirectoryService` having a reference to another `DirectoryService` acting as the local side. I want to wait for general store composition code to pop up before manually coding this here. 2) It's currently only possible to put() leaf directory nodes, as the request normally requires uploading a whole closure. We might want to add another batch function to upload a whole closure, and/or do this batching in certain cases. This still needs some more thinking. Change-Id: I7ffec791610b72c0960cf5307cefbb12ec946dc9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8336 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-14 r/6007 chore(tvix/store): drop separate bin packageFlorian Klink1-4/+1
Apparently, having multiple packages with the same path is a bad thing: ``` The bin target `tvix-store` in package `tvix-store-bin v0.1.0 (/home/flokli/tvl/tvix/store)` has the same output filename as the lib target `tvix_store` in package `tvix-store-bin v0.1.0 (/home/flokli/tvl/tvix/store)`. Colliding filename is: /home/flokli/tvl/tvix/target/doc/tvix_store/index.html The output filenames should be unique. This is a known bug where multiple crates with the same name use the same path; see <https://github.com/rust-lang/cargo/issues/6313>. ``` Change-Id: Ic785c0349070783baf5e8fd23f5fb60603a3c995 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8308 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-13 r/5959 refactor(tvix/store): use read_all_and_chunk in gRPC blobserviceFlorian Klink1-0/+1
This was the last piece of code using BlobWriter. We can also use `read_all_and_chunk`, it's just requires a bit more plumbing: - The data coming from the client (stream) needs to be mapped (we extract the .data field). - The stream needs to be turned into an (async) reader - The reader needs to be made sync, and that code using the sync reader needs to be in a `task::spawn_blocking`. Change-Id: I4e374e1a9f47d5a0933f59a8f5c121185a5f3e95 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8260 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-11 r/5953 refactor(tvix/store): bump fastcdc depFlorian Klink1-1/+1
This removes the use of Box::new, switching fastcdc to version 3.0.2 with https://github.com/nlfiedler/fastcdc-rs/issues/25 fixed. Change-Id: I64f388b9e0a7f358e25a8bb7ca0e4df1d3bb01c4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8249 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-03-10 r/5939 feat(tvix/store): use rayon to upload chunks concurrentlyFlorian Klink1-1/+2
Look at the data that's written to us, and upload all chunks but the rest in parallel, using rayon. This required moving `upload_chunk` outside the struct, and accepting a ChunkService to use for upload (which it was previously getting from `self.chunk_service`). This doesn't speed up things too much for now, because things are still mostly linear. Change-Id: Id785b5705c3392214d2da1a5b6a182bcf5048c8d Reviewed-on: https://cl.tvl.fyi/c/depot/+/8195 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-10 r/5932 feat(tvix/store): add import::import_pathFlorian Klink1-0/+1
This imports the contents at a given Path into the tvix store. It doesn't register the contents at a Path in the store itself, that's up to the PathInfoService. Change-Id: I2c493532d65b90f199ddb7dfc90249f5c2957dee Reviewed-on: https://cl.tvl.fyi/c/depot/+/8159 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-10 r/5925 feat(tvix/store): bump fastcdc, use v2020 versionFlorian Klink1-1/+1
This switches away from the less canonical "ronomon" version to the implementation as described in the [paper](https://ieeexplore.ieee.org/document/9055082) by Wen Xia, et al., in 2020. That version uses 64-bit hash values and tends to be faster than both the ronomon and v2016 versions, and produces the same chunking as the 2016 version. As per https://docs.rs/fastcdc/latest/fastcdc/#implementations-1, it's the recommended choice. The crate also gained support for streaming version of chunkers: https://docs.rs/fastcdc/latest/fastcdc/#large-data, which might be useful. Change-Id: Ieabec3da54eb2b73c045cb54e51f7a216f63641e Reviewed-on: https://cl.tvl.fyi/c/depot/+/8134 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-10 r/5924 feat(tvix/store): add --json argFlorian Klink1-1/+1
This configures logging as JSON. Change-Id: I22cdda84de215bfceda4e9d47bc8d487a5451a6e Reviewed-on: https://cl.tvl.fyi/c/depot/+/8130 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-10 r/5918 feat(tvix/store): add NARCalculationService trait and implFlorian Klink1-3/+5
This adds a NARCalculationService trait, which will take a root node, and provide a proto::CalculateNarResponse in return. It also adds a NonCachingNARCalculationService implementation, that will simply always render the NAR in memory to calculate the size and sha256, without any caching. Change-Id: Id1ffb18559212fa6001f70f2634bbc3dfd0aa343 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8096 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-01-31 r/5788 refactor(tvix): introduce nix-compat crateFlorian Klink1-1/+2
Move nixbase32 and store_path into this. This allows //tvix/cli to not pull in //tvix/store for now. Change-Id: Id3a32867205d95794bc0d33b21d4cb3d9bafd02a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7964 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-21 r/5727 chore(tvix/store): add fastcdc crateFlorian Klink1-6/+3
This is used for content-defined chunking. Change-Id: I10345372cecb9a643cc51ca45aa5b77d2a05198a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7889 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-01-21 r/5720 chore(tvix/store): add tonic-mockFlorian Klink1-0/+1
Upstream seems to be dead, so we're using https://github.com/tyrchen/ tonic-mock/pull/3 here. According to https://github.com/tyrchen/tonic-mock/pull/1#issuecomment- 1241164173, we might not need this crate at all, but for now, it gets the job done and is less code to write in the tests. Change-Id: Ia77fa19b998a5bbabd0311cc714b85a2ee30f36a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7869 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-12 r/5649 feat(tvix/store): implement PathInfoService with sledFlorian Klink1-0/+2
This uses [sled](https://github.com/spacejam/sled) to store PathInfo objects. Change-Id: I12e8032e5562af8f884efa23a78049fd1108fdbc Reviewed-on: https://cl.tvl.fyi/c/depot/+/7726 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-01-03 r/5569 chore(tvix/store): make importableFlorian Klink1-1/+4
This allows other crates to import tvix_store. Rename the bin crate to tvix-store-bin, to avoid having multiple crates with the same name (https://github.com/rust-lang/cargo/issues/6313) Change-Id: I857768d6115640dbf102e79ed03e8474090df2fe Reviewed-on: https://cl.tvl.fyi/c/depot/+/7728 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-12-30 r/5558 feat(tvix/store): add logging with tracingFlorian Klink1-0/+2
This uses [tracing](https://github.com/tokio-rs/tracing) for logs/ tracing. Annotate all method handlers with an instrument macro, and warn! a message for them being unimplemented. Co-Authored-By: Márton Boros <martonboros@gmail.com> Change-Id: Id42a41db33782d82abfb8dc0e49a8915000e5d89 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7665 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-30 r/5557 feat(tvix/store): implement reflectionFlorian Klink1-0/+12
This implements grpc.reflection.v1alpha.ServerReflection, and will make tools like evans automatically discover available services, without having to specify the path to the .proto files client-side. It's behind a reflection feature flag, which is enabled by default. Change-Id: Icbcb5eb05ceede5b9952e38a2ba72eaa6fa8a437 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7435 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-30 r/5554 feat(tvix/store): initial dummy implementationFlorian Klink1-0/+3
This replaces the hello world example from tvix-store with an actual gRPC endpoint, implementing all of BlobService, DirectoryService and PathInfoService. All RPC methods currently respond with the unimplemented gRPC status. Co-Authored-By: Márton Boros <martonboros@gmail.com> Change-Id: Ieba333cca44dc1e3f2ffbe676ba7a99e672b9bfb Reviewed-on: https://cl.tvl.fyi/c/depot/+/7664 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-30 r/5550 feat(tvix/store): add nixbase32 modFlorian Klink1-3/+5
This implements the nix-specific base32 encoding and decoding, exposing a subset of the API that the data-encoding crate provides. Nix uses a custom alphabet, no padding, and encodes bytes in reverse order. The latter one is the reason we can't just use the data-encoding crate directly. Three odd corner case tests ported over from go-nix failed. We opened b/235 to further investigate. Change-Id: I73fab6ddd67177d882e4c3f2b48761c95853d558 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7683 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2022-12-29 r/5532 chore(tvix/store): trim Cargo.tomlFlorian Klink1-1/+3
lazy_static is only used in tests, and anyhow isn't used at all (yet). This can be dropped. Change-Id: Ic41ff3f9bb93cfa600c3485e85464f78a3976504 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7668 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-28 r/5520 feat(tvix/store): implement Directory::validate()Florian Klink1-0/+2
Change-Id: I4c6ae79d705b8e19a3e2ed54812366e88935d7a6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7650 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-27 r/5510 chore(tvix/store): use lazy_static and dummy digestsFlorian Klink1-0/+1
While there's currently nothing in here checking the size of the digest, we should use something that passes the to-be-introduced validate() function. Change-Id: I0c515d9e3afc79292dedebce659a32485aa3d936 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7649 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-26 r/5492 feat(tvix/store): use tonic-build for protosFlorian Klink1-0/+2
While prost-build already exposes protobuf message types as structs, we actually need tonic-build too, to be able to get traits for all the RPC services defined in the proto files. Change-Id: I7f4c08454bf0d280d577975c7cdae13ccc2d933b Reviewed-on: https://cl.tvl.fyi/c/depot/+/7320 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-12-04 r/5386 feat(tvix/store): add size() and digest() functions for DirectoryFlorian Klink1-0/+1
Change-Id: I3a9e3c77da1d5d7bfb93da0cd7bce8d48dbc8cd4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7254 Reviewed-by: Adam Joseph <adam@westernsemico.com> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-12-04 r/5385 feat(tvix/store): build rust proto filesFlorian Klink1-0/+4
This uses prost-build to build the proto files. Change-Id: Ia99fcfa4a19c741683cf28a45202e1d9211f9131 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7286 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: Adam Joseph <adam@westernsemico.com>
2022-12-04 r/5384 feat(tvix/store): initFlorian Klink1-0/+6
Change-Id: Id846647fa456ff8b187ed4f16d035ce030f11d25 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7264 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-20T11·23+0000