Commit graph

118 commits

Author SHA1 Message Date
Florian Klink
bb18556bf3 feat(tvix/nix-compat): add narinfo::Signature::verify
This adds support for verifying signatures found in NARInfo files.

This still needs to be hooked together with the nix+http[s] backend.

Change-Id: Ic1c8ddbdecfb05cefca2492808388b0f7f3f2637
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10081
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
2023-11-19 22:06:07 +00:00
Florian Klink
be48ba75ab feat(tvix/store/pathinfoservice): implement 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.
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>
2023-11-19 13:19:24 +00:00
edef
9ad7cc629e fix(tvix): patch futures::AsyncBufReadExt::fill_buf
This fixes EOF handling for buffered readers.

Link: https://github.com/rust-lang/futures-rs/pull/2801
Change-Id: Ie98ca6a3e1de38500b0195e9b62511501acb1d2c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10086
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-11-19 08:35:38 +00:00
edef
479f26f46c chore(tvix): upgrade futures to 0.3.29
Change-Id: I8fd63be3cbec8766fd6d72cd9271989a19774816
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10085
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-11-19 08:35:38 +00:00
edef
2997c1c304 feat(nix-compat/narinfo): turn flags into bitfields
Change-Id: I8b95723444013e97bc6ec8d282c7135b1aede114
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9987
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-11-10 19:05:36 +00:00
Florian Klink
9f5b1213f9 feat(tvix/nix-compat): add drvfmt
This small tool formats A-Term in a more readable format. It's a lossy
conversion for non-valid UTF-8 environment values.

Change-Id: I65a51054d7faf528321bc2d9fc4425180a7813f5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9970
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
2023-11-07 11:27:08 +00:00
Vincent Ambo
f325456cba chore(tvix): bump proptest dependency
This *might* contain a fix for a clippy lint thrown by that crate.

Relates to b/321.

Change-Id: Ia7ebd3e26e0feb8bcc7a6c811b1e583f9016fd9e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9966
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
2023-11-05 20:28:38 +00:00
Florian Klink
3196fe0143 refactor(tvix): move tvix glue code into glue crate
There's various bits and pieces in tvix-cli that use both the store and
evaluator, as well as nix-compat. For example, builtins.derivation, as
well as the reference scanning implementation.

This "glue code" currently isn't accessible from anywhere else, but it'd
be very useful if it were.

Move it out into a `glue` crate, and make `tvix-cli` a consumer of it.

All the KnownPaths setup and passing around, as well as NIX_PATH
handling is also something that should probably be moved into the glue
crate as well, but that's something left for a future CL.

Change-Id: I080ed3d1825ab23790666486840f301f00856277
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9908
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-11-04 15:18:44 +00:00
Florian Klink
ceca00a866 chore(third_party/crate2nix): apply patches to fix cross
Together with temporarily pointing nixpkgs past
b10994c38c61038970a19fa60bfbec21a61755cc, this now fixes cross-
compilation for tvix.

This incorporates the changes proposed in https://cl.tvl.fyi/9888 and
https://cl.tvl.fyi/9889, but by fixing it in crate2nix, and using the
(re-)generated version of it.

Changes were sent upstream at
https://github.com/nix-community/crate2nix/pull/309,
this pulls in a minimal patch for now.

Change-Id: I70bb6f003bbc3e89de9c4eb4985ea4708ac3a9fd
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9890
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
2023-11-02 09:32:54 +00:00
Florian Klink
d545f11819 chore(tvix): regenerate Cargo.nix
Change-Id: I96e01f938a46d12a94da85968caaf190d041b9ab
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9887
Reviewed-by: edef <edef@edef.eu>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
2023-10-31 12:11:19 +00:00
edef
9253bf6632 feat(tvix/nix-compat): add narinfo parsing and serialisation
Change-Id: I72c63414794642ca8d85c3f635f49db888420c40
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9852
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-10-27 16:08:06 +00:00
edef
6a0a75c8e1 refactor(tvix): condense long bytestrings
Change-Id: I3bea0827ec2c8db835334ce378a7bf3a39e9b1a3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9849
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
2023-10-27 07:37:26 +00:00
Florian Klink
6800f1cdb9 test(tvix/cli/derivation): add test cases for output path calc
Get some test coverage with some calls to builtins.derivation.

The expected output paths were calculated with Nix.

Change-Id: I2ce205ea5244e8ef939d9cacb033283fc6f15d17
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9817
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-10-23 14:57:32 +00:00
Florian Klink
652afd21b3 feat(nix-compat): add bench for aterm parsing
Change-Id: Ie9416f0046b6ee0a02096a7712cdba9cc84db4f6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9733
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Reviewed-by: Gabriel Doriath Döhler <gabriel.doriath.dohler@ens.fr>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
2023-10-16 12:26:36 +00:00
Florian Klink
2410f2292f feat(nix-compat/{aterm,derivation}): init parser
This provides a nom-based parser for Nix derivations in ATerm format,
which can be reached via `Derivation::from_aterm_bytes`.

Some of the lower-level ATerm primitives are moved into a (new) aterm
module, and some more higher-level ones that construct derivation-
specific types.

Also, move the escape_bytes function into there, this is a generic ATerm
thing.

Change-Id: I2b03b8a1461c7ea2fcb8640c2fc3d1fa3ea719fb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9730
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
2023-10-16 12:23:00 +00:00
Florian Klink
8a0fa69c6c feat(tvix/nix-compat/nixhash/NixHashWithMode): from_algo_mode_hash
Change-Id: Ieae628fab1926a498ae5c3eb27df1b722e6151d7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9728
Reviewed-by: edef <edef@edef.eu>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-10-15 15:10:07 +00:00
Connor Brewster
e3d72cc4cb refactor(tvix/store): Upgrade tokio-listener to get tonic support
Tonic support was added to tokio-listener upstream which removes the
need for use to have tonic compatibility wrapper types around it.

See: https://github.com/vi/tokio-listener/pull/2

Fixes b/311

Change-Id: I04a2dbb3bc3c8bfe9339583c0b46070c7ec97811
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9721
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
2023-10-14 18:56:51 +00:00
Florian Klink
a9e5a7cec9 feat(tvix/store): enable tls[-roots] feature in tonic
This teaches tonic to speak https, so `grpc+https` becomes a working
connection string.

Change-Id: I9c550ea665b829725b545a164cf6f78587bd5213
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9714
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Brian McGee <brian@bmcgee.ie>
Tested-by: BuildkiteCI
2023-10-12 19:18:59 +00:00
edef
930edb69d7 fix(tvix/castore): use bstr for formatting names in errors
Much friendlier than either Base64 or raw byte slices.

Change-Id: I9b4cdd57c83ddc76c0be8103da4320207657a72b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9622
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-10-10 22:40:55 +00:00
edef
d38e6502ad fix(third_party/crate2nix): run tests in debug mode
Behave like `cargo test` rather than `cargo test --release`.

Change-Id: Ie013d04ac68d7dec2a3b870fa9f0060a70a9635d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9621
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-10-10 20:33:52 +00:00
edef
d23fe6ee20 feat(tvix/store): use tvix_compat::nar::writer::async
Change-Id: Iad36872244df6f2225a2884f6b20cacd8f918b31
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9619
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: edef <edef@edef.eu>
2023-10-10 17:33:33 +00:00
edef
8b35d97b4b feat(tvix/nix-compat): add nar::writer::async
Change-Id: Ib962f889836659fd278beec461ee329b00e64ea5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9615
Autosubmit: edef <edef@edef.eu>
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-10-10 17:13:27 +00:00
Florian Klink
a464088d2e test(tvix/store): use tokio-retry for exp backoff
Rather than using this loop, use exponential backoff while waiting for
the socket path to be created.

Change-Id: I3056b1525784cd712b1d81f84876c9ca0be10dc6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9569
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
2023-10-08 22:50:42 +00:00
Florian Klink
b6bf3a87f1 test(tvix/castore): use tokio-retry for exp backoff
Rather than using this loop, use exponential backoff while waiting for
the socket path to be created.

Change-Id: I18706a64ce06f8916a07892dfbcd409ac5b3bff1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9568
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
2023-10-08 22:50:42 +00:00
Florian Klink
269ab866f1 refactor(tvix/eval/tests): migrate to tempfile
tempdir pulls in remove_dir_all 0.5.3 with
https://rustsec.org/advisories/RUSTSEC-2023-0018.html, and we use
tempfile everywhere else too, so let's just migrate to that.

Change-Id: I735ade7b65e12fc26e3d43ca95fcfa07fcc64642
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9565
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-10-08 22:47:33 +00:00
Florian Klink
c63c55f052 chore(tvix): bump tokio[-util], tonic, prost
This bumps all these dependencies to their more recent versions.

We have to enable the `macros` tonic feature, and looks like we should
also enable `rt`, not only `rt-multi-thread`.

Change-Id: Icc3600848fca0bacce24f4889d088e75711594ef
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8984
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: tazjin <tazjin@tvl.su>
2023-10-08 21:53:20 +00:00
Florian Klink
c847cc32d9 refactor(tvix/castore): move tests to grpc client, rm tonic-mock
Similar to gen_directorysvc_grpc_client, introduce a
gen_blobsvc_grpc_client function that provides a gRPC client connected
to a blobservice.

The test is update to use that client to test against, rather than the
server trait, removing the last usage of tonic_mock, so it's removed
as well.

Fixes b/243.

Change-Id: If746e8600588da247eb53a63b70fe72f139e9e77
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9564
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Autosubmit: flokli <flokli@flokli.de>
2023-10-08 21:53:20 +00:00
Florian Klink
31f28b6105 chore(tvix/store): drop tonic-mock from dependencies
It's not used in here.

Change-Id: If1dbf360ec37b649c27d3a9bf11f7bf0ca947631
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9558
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: edef <edef@edef.eu>
Tested-by: BuildkiteCI
2023-10-08 07:17:54 +00:00
Connor Brewster
9019d8568e fix(tvix/store): Remove virtiofs from default features
vhost-user-backend doesn't support macOS yet, so the virtiofs features
will not work on macOS. This removes it as a default feature which makes
`cargo build` work out of the box on macOS.

The `virtiofs` feature is enabled for Linux when building via Nix, but
if being built by cargo directly, the feature must be enabled via a
cargo flag.

Change-Id: I2aaca9582f8e3dbcf9ee5f1b9831d614909f3799
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9555
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Autosubmit: Connor Brewster <cbrewster@hey.com>
2023-10-07 02:34:00 +00:00
Brian Olsen
cfb810d81a fix(tvix/store): Fix FUSE support on MacOS
This partially fixes b/312 and gets FUSE to work again on MacOS.

It is mostly small type changes and an update to fuse-backend-rs because
upstream currently doesn't work with MacFuse. It also sets the default
FUSE thread count on MacOS to 1 because otherwise the mount command will
hang when shutting down as only one thread gets ENODEV and all the others
just keep blocking.

Change-Id: Ifb3c4268caf296c487049c1dc4618acb32497f44
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9490
Tested-by: BuildkiteCI
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Reviewed-by: flokli <flokli@flokli.de>
2023-10-02 15:46:47 +00:00
Florian Klink
6b02800e48 chore(tvix/[ca]store): allow building without tonic-reflection
- rename the feature to `tonic-reflection` in both tvix-store and tvix-
   castore.
 - set it to disabled in tvix-castore by default
 - enable it in tvix-store, and pull in tvix-castore with the feature
   enabled.

Change-Id: Ie22833d85569502cae55812f6eeb17a9c15b9e2c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9472
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-09-26 10:07:40 +00:00
Florian Klink
329067f629 fix(tvix/cli): don't enable default features for tvix-store
These enable fuse and virtiofs features, which fail to build on MacOS.

tvix-cli needs neither of these to be built, so we can disable them.

Fixes b/240 (tvix-cli build on Darwin)

Change-Id: I991d947f31d0185aedd1c8a341f714f4eedd03c3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9474
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-09-26 10:03:38 +00:00
Florian Klink
7062fdc132 chore(tvix/store): only depend on vhost-user-fs if virtiofs enabled
Change-Id: Iaf88d43df27b87548794a8dddc9a1e08279b8ffb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9471
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-09-26 10:03:37 +00:00
Florian Klink
10717605a2 chore(third_party/crate2nix): bump crate2nix to current HEAD
This will bring conditional features support.

Also invoke crate2nixgenerate with the --all-features argument, so all
dependencies, including the ones for optional features are included in
the Cargo.nix file.

Change-Id: I3bbcb200c9b481f660db89efba650ea4f7418a63
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9470
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
2023-09-26 10:03:36 +00:00
Florian Klink
124c1c06de chore(tvix/store): move fuse-backend-rs back to upstream
It's in no release yet, but this is the current rev in master.

Change-Id: I9e4bc2fde26e85c4182bd66b3e566c2d957072ed
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9469
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
2023-09-26 09:51:02 +00:00
Connor Brewster
f8746fcab0 feat(tvix/store): Support listening on UNIX domain sockets
This adds support for listening on UNIX domain sockets via the
tokio-listener crate. The crate will automatically determine whether to
start a TCP or UNIX domain socket server based on the listen address.

Unfortunately, it's not compatible with tonic right out of the box so I
added some wrapper types to implement the necessary traits to make
things work. We should investigate upstreaming a `tonic` option to the
tokio-listener crate which implements the relevant `tonic` traits.

Example:
```
$ tvix-store daemon -l /run/tvix-store.sock
INFO tvix_store: tvix-store listening on /run/tvix-store.sock

$ tvix-store mount -l /mnt/tvix --blob-service-addr grpc+unix:///run/tvix-store.sock --directory-service-addr grpc+unix:///run/tvix-store.sock --path-info-service-addr grpc+unix:///run/tvix-store.sock

$ ls /mnt/tvix
```

Change-Id: I91c4a4b0c5a177b3b90e6c01a4e5d263130e6bdb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9429
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-09-25 17:41:37 +00:00
Connor Brewster
993c505cdb feat(tvix/store/fs): Add support for virtiofs backend
This adds a virtiofs daemon implementation which hooks into the existing
tvix-store filesystem implementation that is used for FUSE.

This allows adding the filesystem to a microvm without having to set up
FUSE inside the guest.

Change-Id: If80c36c9657f2289853e8d9a364bf4f1f7b7559c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9344
Autosubmit: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
2023-09-24 17:05:21 +00:00
Florian Klink
80a02f96ce chore(tvix/castore): remove dependency on anyhow
We don't use this here, except in a test, where we don't really use
it either.

Change-Id: Ia6c45fccf663fe328942b1e1a2cd1c3a1b7f9ae5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9376
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
2023-09-22 12:51:21 +00:00
Florian Klink
32f41458c0 refactor(tvix): move castore into tvix-castore crate
This splits the pure content-addressed layers from tvix-store into a
`castore` crate, and only leaves PathInfo related things, as well as the
CLI entrypoint in the tvix-store crate.

Notable changes:
 - `fixtures` and `utils` had to be moved out of the `test` cfg, so they
   can be imported from tvix-store.
 - Some ad-hoc fixtures in the test were moved to proper fixtures in the
   same step.
 - The protos are now created by a (more static) recipe in the protos/
   directory.

The (now two) golang targets are commented out, as it's not possible to
update them properly in the same CL. This will be done by a followup CL
once this is merged (and whitby deployed)

Bug: https://b.tvl.fyi/issues/301

Change-Id: I8d675d4bf1fb697eb7d479747c1b1e3635718107
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9370
Reviewed-by: tazjin <tazjin@tvl.su>
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: Connor Brewster <cbrewster@hey.com>
2023-09-22 12:51:21 +00:00
Florian Klink
7c9a52e3ee chore(tvix): remove some unused crate dependencies
Change-Id: I31b0e7be3a2ebc268c6f4045ba282e8fb1c72a64
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9375
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
2023-09-22 12:12:24 +00:00
Connor Brewster
37a348b4fa refactor(tvix/store): Asyncify PathInfoService and DirectoryService
We've decided to asyncify all of the services to reduce some of the
pains going back and for between sync<->async. The end goal will be for
all the tvix-store internals to be async and then expose a sync
interface for things like tvix eval io.

Change-Id: I97c71f8db1d05a38bd8f625df5087d565705d52d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9369
Autosubmit: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
2023-09-21 17:58:23 +00:00
Connor Brewster
7e737fde34 refactor(tvix/store/fs): Separate FUSE and filesystem code
In prepration for adding virtiofs support, I thought it would make sense
to split out the filesystem implementation from FUSE itself.

The `fs` module holds the tvix-store filesystem implemetation and the
`fuse` module holds the code to spawn a FUSE daemon backed by multiple
threads.

Change-Id: I8c58447b8c3aa016a613068f8e7ec166554e237c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9343
Reviewed-by: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Autosubmit: Connor Brewster <cbrewster@hey.com>
2023-09-20 14:27:53 +00:00
Connor Brewster
6b7c936bc5 refactor(tvix/store/fuse): Switch from fuser to fuse-backend-rs
This switches the FUSE implementation from fuser to fuse-backend-rs.
fuse-backend-rs is designed to work with both FUSE and virtiofs.
Virtiofs support will make it possible to plug the tvix-store into a
microvm and have `/nix/store` access without having to setup FUSE inside
the guest.

Additionally fuse-backend-rs has nice support for running multiple FUSE
threads and has some async support.

The goal of this commit is to mechanically switch over to
fuse-backend-rs with minimal changes. I did have to add some locks here
and there because fuse-backend-rs uses `&self` on all methods whereas
fuser uses `&mut self`. `&self` is required for concurrent access to the
FUSE server, so this makes sense.

We can consider switching to concurrent maps and use some other
techniques to reduce lock contention and critical section size.

Issue: https://b.tvl.fyi/issues/305

Change-Id: Icde5a58c6eef98f8984c1e04e980b756dfb76b47
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9341
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
2023-09-20 14:21:32 +00:00
Florian Klink
da6cbb4a45 refactor(tvix/store/blobsvc): make BlobStore async
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>
2023-09-18 10:33:30 +00:00
Florian Klink
f499d2e031 feat(tvix/store): fix ctrl-c handling on mount command
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 21:13:49 +00:00
Florian Klink
7bd3c42c74 chore(tvix/store): drop walkdir workaround for symlinks at root
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>
2023-09-05 15:19:43 +00:00
Florian Klink
3c340b28bd refactor(tvix/{cli,store}): move TvixStoreIO to tvix-cli crate
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>
2023-09-04 16:02:12 +00:00
Florian Klink
737a6ca01e refactor(tvix/cli/refscan): use wu-manber crate with &[u8] support
PR'ed at https://github.com/tvlfyi/wu-manber/pull/1, and now merged.

Change-Id: I8c71e359196396a1d42a3ea2ab7ac15b137b2db0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8992
Tested-by: BuildkiteCI
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-07-31 21:50:47 +00:00
Florian Klink
79531c3dab refactor(tvix/nix-compat): support non-unicode Derivations
Derivations can have non-unicode strings in their env values, so the
ATerm representations are not necessarily String anymore, but Vec<u8>.

Change-Id: Ic23839471eb7f68d9c3c30667c878830946b6607
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8990
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Autosubmit: flokli <flokli@flokli.de>
2023-07-31 21:41:38 +00:00
Florian Klink
432222f098 feat(tvix/store/proto): use Bytes instead of Vec<u8>
Makes use of https://github.com/tokio-rs/prost/pull/341, which makes our
bytes field cheaper to clone.

It's a bit annoying to configure due to
https://github.com/hyperium/tonic/issues/908, but the workaround does
get the job done.

Change-Id: I25714600b041bb5432d3adf5859b151e72b12778
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8975
Reviewed-by: raitobezarius <tvl@lahfa.xyz>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: flokli <flokli@flokli.de>
2023-07-22 09:03:02 +00:00