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authorFlorian Klink <flokli@flokli.de>2023-12-16T22·16+0200
committerflokli <flokli@flokli.de>2023-12-22T16·55+0000
commita5167c508cf2ed92f8a39696a6b4376cf25ee872 (patch)
tree5ffb2f8d0d331b6fea1aeb4f6391e0408df6d234 /tvix/store/src/bin
parent52cad8619511b97c4bcd5768ce9b3579ff665505 (diff)
chore(tvix): move store/fs to castore/fs r/7256
With the recent introduction of the RootNodes trait, there's nothing in
the fs module pulling in tvix-store dependencies, so it can live in
tvix-castore.

This allows other crates to make use of TvixStoreFS, without having to
pull in tvix-store.

For example, a tvix-build using a fuse mountpoint at /nix/store doesn't
need a PathInfoService to hold the root nodes that should be present,
but just a list.

tvix-store now has a pathinfoservice/fs module, which contains the
necessary glue logic to implement the RootNodes trait for a
PathInfoService.

To satisfy Rust orphan rules for trait implementations, we had to add a
small wrapper struct. It's mostly hidden away by the make_fs helper
function returning a TvixStoreFs.

It can't be entirely private, as its still leaking into the concrete
type of TvixStoreFS.

tvix-store still has `fuse` and `virtiofs` features, but they now simply
enable these features in the `tvix-castore` crate they depend on.

The tests for the fuse functionality stay in tvix-store for now, as
they populate the root nodes through a PathInfoService.

Once above mentioned "list of root nodes" implementation exists, we
might want to shuffle this around one more time.

Fixes b/341.

Change-Id: I989f664827a5a361b23b34368d242d10c157c756
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10378
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Diffstat (limited to 'tvix/store/src/bin')
-rw-r--r--tvix/store/src/bin/tvix-store.rs14
1 files changed, 7 insertions, 7 deletions
diff --git a/tvix/store/src/bin/tvix-store.rs b/tvix/store/src/bin/tvix-store.rs
index e4f2e0801b81..bf59366eb34e 100644
--- a/tvix/store/src/bin/tvix-store.rs
+++ b/tvix/store/src/bin/tvix-store.rs
@@ -29,14 +29,14 @@ use tvix_store::proto::GRPCPathInfoServiceWrapper;
 use tvix_store::proto::NarInfo;
 use tvix_store::proto::PathInfo;
 
-#[cfg(feature = "fs")]
-use tvix_store::fs::TvixStoreFs;
+#[cfg(any(feature = "fuse", feature = "virtiofs"))]
+use tvix_store::pathinfoservice::make_fs;
 
 #[cfg(feature = "fuse")]
-use tvix_store::fs::fuse::FuseDaemon;
+use tvix_castore::fs::fuse::FuseDaemon;
 
 #[cfg(feature = "virtiofs")]
-use tvix_store::fs::virtiofs::start_virtiofs_daemon;
+use tvix_castore::fs::virtiofs::start_virtiofs_daemon;
 
 #[cfg(feature = "tonic-reflection")]
 use tvix_castore::proto::FILE_DESCRIPTOR_SET as CASTORE_FILE_DESCRIPTOR_SET;
@@ -365,7 +365,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             let path_info_service: Arc<dyn PathInfoService> = path_info_service.into();
 
             let mut fuse_daemon = tokio::task::spawn_blocking(move || {
-                let f = TvixStoreFs::new(
+                let fs = make_fs(
                     blob_service,
                     directory_service,
                     path_info_service,
@@ -373,7 +373,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                 );
                 info!("mounting tvix-store on {:?}", &dest);
 
-                FuseDaemon::new(f, &dest, threads)
+                FuseDaemon::new(fs, &dest, threads)
             })
             .await??;
 
@@ -409,7 +409,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             let path_info_service: Arc<dyn PathInfoService> = path_info_service.into();
 
             tokio::task::spawn_blocking(move || {
-                let fs = TvixStoreFs::new(
+                let fs = make_fs(
                     blob_service,
                     directory_service,
                     path_info_service,