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authorFlorian Klink <flokli@flokli.de>2023-06-12T12·13+0300
committerflokli <flokli@flokli.de>2023-06-12T12·43+0000
commit64a4f6185c5dcd96ee57978963324ea50f4dd6f7 (patch)
tree2bf4136908835b3b766c736e5f7713f05f664b69 /tvix
parentb49f7cfec6a11816971d7d7c7cdcee3088bae7d2 (diff)
refactor(tvix/store/blobsvc): drop Result<_,_> around open_write r/6278
We never returned Err here anyways, and we can still return an error
during the first (or subsequent) write(s).

Change-Id: I4b4cd3d35f6ea008e9ffe2f7b71bfc9187309e2f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8750
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Diffstat (limited to 'tvix')
-rw-r--r--tvix/store/src/blobservice/grpc.rs10
-rw-r--r--tvix/store/src/blobservice/memory.rs4
-rw-r--r--tvix/store/src/blobservice/mod.rs3
-rw-r--r--tvix/store/src/blobservice/sled.rs4
-rw-r--r--tvix/store/src/import.rs2
-rw-r--r--tvix/store/src/proto/grpc_blobservice_wrapper.rs5
-rw-r--r--tvix/store/src/tests/nar_renderer.rs6
7 files changed, 15 insertions, 19 deletions
diff --git a/tvix/store/src/blobservice/grpc.rs b/tvix/store/src/blobservice/grpc.rs
index 46ec64bce785..6f04c6a3d4b6 100644
--- a/tvix/store/src/blobservice/grpc.rs
+++ b/tvix/store/src/blobservice/grpc.rs
@@ -121,9 +121,9 @@ impl BlobService for GRPCBlobService {
         }
     }
 
-    /// Returns a [Self::BlobWriter], that'll internally wrap each write in a
-    // [proto::BlobChunk] and which is passed to the
-    fn open_write(&self) -> Result<Box<dyn BlobWriter>, crate::Error> {
+    /// Returns a BlobWriter, that'll internally wrap each write in a
+    // [proto::BlobChunk], which is send to the gRPC server.
+    fn open_write(&self) -> Box<dyn BlobWriter> {
         let mut grpc_client = self.grpc_client.clone();
 
         // set up an mpsc channel passing around Bytes.
@@ -155,11 +155,11 @@ impl BlobService for GRPCBlobService {
         // … which is then turned into a [io::Write].
         let writer = SyncIoBridge::new(async_writer);
 
-        Ok(Box::new(GRPCBlobWriter {
+        Box::new(GRPCBlobWriter {
             tokio_handle: self.tokio_handle.clone(), // TODO: is the clone() ok here?
             task_and_writer: Some((task, writer)),
             digest: None,
-        }))
+        })
     }
 }
 
diff --git a/tvix/store/src/blobservice/memory.rs b/tvix/store/src/blobservice/memory.rs
index 166eeabdb6a2..0ea8479f87e5 100644
--- a/tvix/store/src/blobservice/memory.rs
+++ b/tvix/store/src/blobservice/memory.rs
@@ -30,8 +30,8 @@ impl BlobService for MemoryBlobService {
     }
 
     #[instrument(skip(self))]
-    fn open_write(&self) -> Result<Box<dyn BlobWriter>, Error> {
-        Ok(Box::new(MemoryBlobWriter::new(self.db.clone())))
+    fn open_write(&self) -> Box<dyn BlobWriter> {
+        Box::new(MemoryBlobWriter::new(self.db.clone()))
     }
 }
 
diff --git a/tvix/store/src/blobservice/mod.rs b/tvix/store/src/blobservice/mod.rs
index d9aa15bf2a46..c1bca927d7d0 100644
--- a/tvix/store/src/blobservice/mod.rs
+++ b/tvix/store/src/blobservice/mod.rs
@@ -24,8 +24,7 @@ pub trait BlobService: Send + Sync {
 
     /// Insert a new blob into the store. Returns a [BlobWriter], which
     /// implements [io::Write] and a [BlobWriter::close].
-    /// TODO: is there any reason we want this to be a Result<>, and not just T?
-    fn open_write(&self) -> Result<Box<dyn BlobWriter>, Error>;
+    fn open_write(&self) -> Box<dyn BlobWriter>;
 }
 
 /// A [io::Write] that you need to close() afterwards, and get back the digest
diff --git a/tvix/store/src/blobservice/sled.rs b/tvix/store/src/blobservice/sled.rs
index 3f212142b9d1..1ae71170e1e4 100644
--- a/tvix/store/src/blobservice/sled.rs
+++ b/tvix/store/src/blobservice/sled.rs
@@ -46,8 +46,8 @@ impl BlobService for SledBlobService {
     }
 
     #[instrument(skip(self))]
-    fn open_write(&self) -> Result<Box<dyn BlobWriter>, Error> {
-        Ok(Box::new(SledBlobWriter::new(self.db.clone())))
+    fn open_write(&self) -> Box<dyn BlobWriter> {
+        Box::new(SledBlobWriter::new(self.db.clone()))
     }
 }
 
diff --git a/tvix/store/src/import.rs b/tvix/store/src/import.rs
index 1e639e1d7cd0..dd366aef9576 100644
--- a/tvix/store/src/import.rs
+++ b/tvix/store/src/import.rs
@@ -114,7 +114,7 @@ fn process_entry(
         let mut file = File::open(entry_path.clone())
             .map_err(|e| Error::UnableToOpen(entry_path.clone(), e))?;
 
-        let mut writer = blob_service.open_write()?;
+        let mut writer = blob_service.open_write();
 
         if let Err(e) = io::copy(&mut file, &mut writer) {
             return Err(Error::UnableToRead(entry_path, e));
diff --git a/tvix/store/src/proto/grpc_blobservice_wrapper.rs b/tvix/store/src/proto/grpc_blobservice_wrapper.rs
index 04097997c2e4..fee97c7d2d0e 100644
--- a/tvix/store/src/proto/grpc_blobservice_wrapper.rs
+++ b/tvix/store/src/proto/grpc_blobservice_wrapper.rs
@@ -161,10 +161,7 @@ impl super::blob_service_server::BlobService for GRPCBlobServiceWrapper {
         let data_reader = tokio_util::io::StreamReader::new(data_stream);
 
         // prepare a writer, which we'll use in the blocking task below.
-        let mut writer = self
-            .blob_service
-            .open_write()
-            .map_err(|e| Status::internal(format!("unable to open for write: {}", e)))?;
+        let mut writer = self.blob_service.open_write();
 
         let result = task::spawn_blocking(move || -> Result<super::PutBlobResponse, Status> {
             // construct a sync reader to the data
diff --git a/tvix/store/src/tests/nar_renderer.rs b/tvix/store/src/tests/nar_renderer.rs
index 37a01c2e1826..b92fdc087b28 100644
--- a/tvix/store/src/tests/nar_renderer.rs
+++ b/tvix/store/src/tests/nar_renderer.rs
@@ -61,7 +61,7 @@ fn single_file_wrong_blob_size() {
     let blob_service = gen_blob_service();
 
     // insert blob into the store
-    let mut writer = blob_service.open_write().unwrap();
+    let mut writer = blob_service.open_write();
     io::copy(
         &mut io::Cursor::new(HELLOWORLD_BLOB_CONTENTS.to_vec()),
         &mut writer,
@@ -125,7 +125,7 @@ fn single_file() {
     let blob_service = gen_blob_service();
 
     // insert blob into the store
-    let mut writer = blob_service.open_write().unwrap();
+    let mut writer = blob_service.open_write();
     io::copy(
         &mut io::Cursor::new(HELLOWORLD_BLOB_CONTENTS.to_vec()),
         &mut writer,
@@ -158,7 +158,7 @@ fn test_complicated() {
 
     // put all data into the stores.
     // insert blob into the store
-    let mut writer = blob_service.open_write().unwrap();
+    let mut writer = blob_service.open_write();
     io::copy(
         &mut io::Cursor::new(EMPTY_BLOB_CONTENTS.to_vec()),
         &mut writer,