refactor(tvix/store/blobsvc): move from Vec<u8> to B3Digest
Change-Id: I809bab75221f81b6023cfe75c2fe9e589c1e9192 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8605 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
This commit is contained in:
parent
b8ff08b1b0
commit
066179651c
9 changed files with 79 additions and 95 deletions
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@ -1,4 +1,5 @@
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use data_encoding::BASE64;
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use super::{BlobService, BlobWriter};
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use crate::{proto, B3Digest};
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use futures::sink::{SinkExt, SinkMapErr};
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use std::{collections::VecDeque, io};
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use tokio::task::JoinHandle;
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@ -10,9 +11,6 @@ use tokio_util::{
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use tonic::{transport::Channel, Code, Status, Streaming};
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use tracing::instrument;
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use super::{BlobService, BlobWriter};
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use crate::proto;
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/// Connects to a (remote) tvix-store BlobService over gRPC.
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#[derive(Clone)]
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pub struct GRPCBlobService {
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@ -30,11 +28,11 @@ impl BlobService for GRPCBlobService {
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type BlobReader = Box<dyn io::Read + Send>;
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type BlobWriter = GRPCBlobWriter;
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#[instrument(skip(self, digest), fields(blob.digest=BASE64.encode(digest)))]
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fn has(&self, digest: &[u8; 32]) -> Result<bool, crate::Error> {
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#[instrument(skip(self, digest), fields(blob.digest=%digest))]
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fn has(&self, digest: &B3Digest) -> Result<bool, crate::Error> {
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// Get a new handle to the gRPC client, and copy the digest.
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let mut grpc_client = self.grpc_client.clone();
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let digest = digest.to_owned();
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let digest = digest.clone();
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let task: tokio::task::JoinHandle<Result<_, Status>> =
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self.tokio_handle.spawn(async move {
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@ -56,10 +54,10 @@ impl BlobService for GRPCBlobService {
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// On success, this returns a Ok(Some(io::Read)), which can be used to read
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// the contents of the Blob, identified by the digest.
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fn open_read(&self, digest: &[u8; 32]) -> Result<Option<Self::BlobReader>, crate::Error> {
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fn open_read(&self, digest: &B3Digest) -> Result<Option<Self::BlobReader>, crate::Error> {
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// Get a new handle to the gRPC client, and copy the digest.
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let mut grpc_client = self.grpc_client.clone();
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let digest = digest.to_owned();
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let digest = digest.clone();
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// Construct the task that'll send out the request and return the stream
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// the gRPC client should use to send [proto::BlobChunk], or an error if
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@ -68,7 +66,7 @@ impl BlobService for GRPCBlobService {
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self.tokio_handle.spawn(async move {
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let stream = grpc_client
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.read(proto::ReadBlobRequest {
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digest: digest.into(),
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digest: digest.to_vec(),
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})
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.await?
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.into_inner();
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@ -164,7 +162,7 @@ pub struct GRPCBlobWriter {
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}
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impl BlobWriter for GRPCBlobWriter {
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fn close(mut self) -> Result<[u8; 32], crate::Error> {
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fn close(mut self) -> Result<B3Digest, crate::Error> {
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// invoke shutdown, so the inner writer closes its internal tx side of
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// the channel.
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self.inner_writer
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@ -177,8 +175,9 @@ impl BlobWriter for GRPCBlobWriter {
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match self.tokio_handle.block_on(self.task)? {
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Ok(resp) => {
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// return the digest from the response.
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let digest: Vec<u8> = resp.digest;
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Ok(digest.try_into().unwrap())
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B3Digest::from_vec(resp.digest).map_err(|_| {
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crate::Error::StorageError("invalid root digest length in response".to_string())
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})
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}
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Err(e) => Err(crate::Error::StorageError(e.to_string())),
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}
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@ -1,4 +1,3 @@
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use data_encoding::BASE64;
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use std::io::Cursor;
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use std::{
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collections::HashMap,
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@ -7,27 +6,24 @@ use std::{
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use tracing::{instrument, warn};
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use super::{BlobService, BlobWriter};
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use crate::Error;
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// type B3Digest = [u8; 32];
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// struct B3Digest ([u8; 32]);
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use crate::{B3Digest, Error};
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#[derive(Clone, Default)]
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pub struct MemoryBlobService {
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db: Arc<RwLock<HashMap<[u8; 32], Vec<u8>>>>,
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db: Arc<RwLock<HashMap<B3Digest, Vec<u8>>>>,
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}
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impl BlobService for MemoryBlobService {
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type BlobReader = Cursor<Vec<u8>>;
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type BlobWriter = MemoryBlobWriter;
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#[instrument(skip(self, digest), fields(blob.digest=BASE64.encode(digest)))]
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fn has(&self, digest: &[u8; 32]) -> Result<bool, Error> {
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#[instrument(skip(self, digest), fields(blob.digest=%digest))]
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fn has(&self, digest: &B3Digest) -> Result<bool, Error> {
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let db = self.db.read().unwrap();
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Ok(db.contains_key(digest))
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}
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fn open_read(&self, digest: &[u8; 32]) -> Result<Option<Self::BlobReader>, Error> {
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fn open_read(&self, digest: &B3Digest) -> Result<Option<Self::BlobReader>, Error> {
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let db = self.db.read().unwrap();
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Ok(db.get(digest).map(|x| Cursor::new(x.clone())))
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@ -40,13 +36,13 @@ impl BlobService for MemoryBlobService {
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}
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pub struct MemoryBlobWriter {
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db: Arc<RwLock<HashMap<[u8; 32], Vec<u8>>>>,
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db: Arc<RwLock<HashMap<B3Digest, Vec<u8>>>>,
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buf: Vec<u8>,
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}
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impl MemoryBlobWriter {
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fn new(db: Arc<RwLock<HashMap<[u8; 32], Vec<u8>>>>) -> Self {
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fn new(db: Arc<RwLock<HashMap<B3Digest, Vec<u8>>>>) -> Self {
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Self {
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buf: Vec::new(),
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db,
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@ -64,16 +60,16 @@ impl std::io::Write for MemoryBlobWriter {
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}
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impl BlobWriter for MemoryBlobWriter {
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fn close(self) -> Result<[u8; 32], Error> {
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fn close(self) -> Result<B3Digest, Error> {
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// in this memory implementation, we don't actually bother hashing
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// incrementally while writing, but do it at the end.
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let mut hasher = blake3::Hasher::new();
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hasher.update(&self.buf);
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let digest: [u8; 32] = hasher.finalize().into();
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let digest = B3Digest::from_vec(hasher.finalize().as_bytes().to_vec()).unwrap();
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// open the database for writing.
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let mut db = self.db.write()?;
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db.insert(digest, self.buf);
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db.insert(digest.clone(), self.buf);
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Ok(digest)
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}
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@ -1,6 +1,6 @@
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use std::io;
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use crate::Error;
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use crate::{B3Digest, Error};
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mod grpc;
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mod memory;
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@ -19,10 +19,10 @@ pub trait BlobService {
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type BlobWriter: BlobWriter + Send;
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/// Check if the service has the blob, by its content hash.
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fn has(&self, digest: &[u8; 32]) -> Result<bool, Error>;
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fn has(&self, digest: &B3Digest) -> Result<bool, Error>;
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/// Request a blob from the store, by its content hash. Returns a Option<BlobReader>.
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fn open_read(&self, digest: &[u8; 32]) -> Result<Option<Self::BlobReader>, Error>;
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fn open_read(&self, digest: &B3Digest) -> Result<Option<Self::BlobReader>, Error>;
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/// Insert a new blob into the store. Returns a [BlobWriter], which
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/// implements [io::Write] and a [BlobWriter::close].
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@ -37,5 +37,5 @@ pub trait BlobWriter: io::Write {
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/// contents written.
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///
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/// This consumes self, so it's not possible to close twice.
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fn close(self) -> Result<[u8; 32], Error>;
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fn close(self) -> Result<B3Digest, Error>;
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}
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@ -1,11 +1,9 @@
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use super::{BlobService, BlobWriter};
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use crate::{B3Digest, Error};
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use std::{
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io::{self, Cursor},
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path::PathBuf,
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};
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use super::{BlobService, BlobWriter};
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use crate::Error;
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use data_encoding::BASE64;
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use tracing::instrument;
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#[derive(Clone)]
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@ -33,24 +31,24 @@ impl BlobService for SledBlobService {
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type BlobReader = Cursor<Vec<u8>>;
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type BlobWriter = SledBlobWriter;
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#[instrument(name = "SledBlobService::has", skip(self), fields(blob.digest=BASE64.encode(digest)))]
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fn has(&self, digest: &[u8; 32]) -> Result<bool, Error> {
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match self.db.contains_key(digest) {
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#[instrument(skip(self), fields(blob.digest=%digest))]
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fn has(&self, digest: &B3Digest) -> Result<bool, Error> {
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match self.db.contains_key(digest.to_vec()) {
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Ok(has) => Ok(has),
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Err(e) => Err(Error::StorageError(e.to_string())),
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}
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}
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#[instrument(name = "SledBlobService::open_read", skip(self), fields(blob.digest=BASE64.encode(digest)))]
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fn open_read(&self, digest: &[u8; 32]) -> Result<Option<Self::BlobReader>, Error> {
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match self.db.get(digest) {
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#[instrument(skip(self), fields(blob.digest=%digest))]
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fn open_read(&self, digest: &B3Digest) -> Result<Option<Self::BlobReader>, Error> {
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match self.db.get(digest.to_vec()) {
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Ok(None) => Ok(None),
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Ok(Some(data)) => Ok(Some(Cursor::new(data[..].to_vec()))),
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Err(e) => Err(Error::StorageError(e.to_string())),
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}
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}
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#[instrument(name = "SledBlobService::open_write", skip(self))]
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#[instrument(skip(self))]
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fn open_write(&self) -> Result<Self::BlobWriter, Error> {
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Ok(SledBlobWriter::new(self.db.clone()))
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}
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}
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impl BlobWriter for SledBlobWriter {
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fn close(self) -> Result<[u8; 32], Error> {
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fn close(self) -> Result<B3Digest, Error> {
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let digest = self.hasher.finalize();
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self.db
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.insert(digest.as_bytes(), self.buf)
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.map_err(|e| Error::StorageError(format!("unable to insert blob: {}", e)))?;
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digest
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.to_owned()
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.try_into()
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.map_err(|_| Error::StorageError("invalid digest length in response".to_string()))
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// We know self.hasher is doing blake3 hashing, so this won't fail.
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Ok(B3Digest::from_vec(digest.as_bytes().to_vec()).unwrap())
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}
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}
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use std::io::{self, BufReader};
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use super::RenderError;
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use crate::{
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blobservice::BlobService,
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directoryservice::DirectoryService,
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proto::{self, NamedNode},
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B3Digest,
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};
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use data_encoding::BASE64;
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use nix_compat::nar;
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use super::RenderError;
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use std::io::{self, BufReader};
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use tracing::warn;
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/// A NAR renderer, using a blob_service, chunk_service and directory_service
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/// to render a NAR to a writer.
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.map_err(RenderError::NARWriterError)?;
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}
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proto::node::Node::File(proto_file_node) => {
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let digest: [u8; 32] =
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proto_file_node.digest.to_owned().try_into().map_err(|_e| {
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RenderError::StoreError(crate::Error::StorageError(
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"invalid digest len in file node".to_string(),
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))
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})?;
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let digest = B3Digest::from_vec(proto_file_node.digest.clone()).map_err(|_e| {
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warn!(
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file_node = ?proto_file_node,
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"invalid digest length in file node",
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);
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// TODO: handle error
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let mut blob_reader = match self.blob_service.open_read(&digest).unwrap() {
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RenderError::StoreError(crate::Error::StorageError(
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"invalid digest len in file node".to_string(),
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))
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})?;
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let mut blob_reader = match self
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.blob_service
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.open_read(&digest)
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.map_err(|e| RenderError::StoreError(e))?
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{
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Some(blob_reader) => Ok(BufReader::new(blob_reader)),
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None => Err(RenderError::NARWriterError(io::Error::new(
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io::ErrorKind::NotFound,
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format!("blob with digest {} not found", BASE64.encode(&digest)),
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format!("blob with digest {} not found", &digest),
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))),
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}?;
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use crate::{
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blobservice::{BlobService, BlobWriter},
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proto::sync_read_into_async_read::SyncReadIntoAsyncRead,
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B3Digest,
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};
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use data_encoding::BASE64;
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use std::{collections::VecDeque, io, pin::Pin};
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use tokio::task;
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use tokio_stream::StreamExt;
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@ -36,10 +36,7 @@ impl<BS: BlobService + Send + Sync + Clone + 'static> super::blob_service_server
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request: Request<super::StatBlobRequest>,
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) -> Result<Response<super::BlobMeta>, Status> {
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let rq = request.into_inner();
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let req_digest: [u8; 32] = rq
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.digest
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.clone()
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.try_into()
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let req_digest = B3Digest::from_vec(rq.digest)
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.map_err(|_e| Status::invalid_argument("invalid digest length"))?;
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if rq.include_chunks || rq.include_bao {
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match self.blob_service.has(&req_digest) {
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Ok(true) => Ok(Response::new(super::BlobMeta::default())),
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Ok(false) => Err(Status::not_found(format!(
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"blob {} not found",
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BASE64.encode(&req_digest)
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))),
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Ok(false) => Err(Status::not_found(format!("blob {} not found", &req_digest))),
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Err(e) => Err(e.into()),
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}
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}
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@ -63,11 +57,8 @@ impl<BS: BlobService + Send + Sync + Clone + 'static> super::blob_service_server
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) -> Result<Response<Self::ReadStream>, Status> {
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let rq = request.into_inner();
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let req_digest: [u8; 32] = rq
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.digest
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.clone()
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.try_into()
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.map_err(|_| Status::invalid_argument("invalid digest length"))?;
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let req_digest = B3Digest::from_vec(rq.digest)
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.map_err(|_e| Status::invalid_argument("invalid digest length"))?;
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match self.blob_service.open_read(&req_digest) {
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Ok(Some(reader)) => {
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@ -87,10 +78,7 @@ impl<BS: BlobService + Send + Sync + Clone + 'static> super::blob_service_server
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let chunks_stream = ReaderStream::new(async_reader).map(stream_mapper);
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Ok(Response::new(Box::pin(chunks_stream)))
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}
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Ok(None) => Err(Status::not_found(format!(
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"blob {} not found",
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BASE64.encode(&rq.digest)
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))),
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Ok(None) => Err(Status::not_found(format!("blob {} not found", &req_digest))),
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Err(e) => Err(e.into()),
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}
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}
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@ -1,4 +1,7 @@
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use crate::proto::{self, Directory, DirectoryNode, FileNode, SymlinkNode};
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use crate::{
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proto::{self, Directory, DirectoryNode, FileNode, SymlinkNode},
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B3Digest,
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};
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use lazy_static::lazy_static;
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pub const HELLOWORLD_BLOB_CONTENTS: &[u8] = b"Hello World!";
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@ -12,18 +15,19 @@ lazy_static! {
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];
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pub static ref DUMMY_DATA_1: Vec<u8> = vec![0x01, 0x02, 0x03];
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pub static ref DUMMY_DATA_2: Vec<u8> = vec![0x04, 0x05];
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pub static ref HELLOWORLD_BLOB_DIGEST: Vec<u8> =
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blake3::hash(HELLOWORLD_BLOB_CONTENTS).as_bytes().to_vec();
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pub static ref EMPTY_BLOB_DIGEST: Vec<u8> =
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blake3::hash(EMPTY_BLOB_CONTENTS).as_bytes().to_vec();
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pub static ref HELLOWORLD_BLOB_DIGEST: B3Digest =
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blake3::hash(HELLOWORLD_BLOB_CONTENTS).as_bytes().into();
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pub static ref EMPTY_BLOB_DIGEST: B3Digest =
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blake3::hash(EMPTY_BLOB_CONTENTS).as_bytes().into();
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// 2 bytes
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pub static ref BLOB_A: Vec<u8> = vec![0x00, 0x01];
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pub static ref BLOB_A_DIGEST: Vec<u8> = blake3::hash(&BLOB_A).as_bytes().to_vec();
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pub static ref BLOB_A_DIGEST: B3Digest = blake3::hash(&BLOB_A).as_bytes().into();
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// 1MB
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pub static ref BLOB_B: Vec<u8> = (0..255).collect::<Vec<u8>>().repeat(4 * 1024);
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pub static ref BLOB_B_DIGEST: Vec<u8> = blake3::hash(&BLOB_B).as_bytes().to_vec();
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pub static ref BLOB_B_DIGEST: B3Digest = blake3::hash(&BLOB_B).as_bytes().into();
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// Directories
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pub static ref DIRECTORY_WITH_KEEP: proto::Directory = proto::Directory {
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@ -61,9 +61,7 @@ fn single_file() {
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);
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// ensure the blob has been uploaded
|
||||
assert!(blob_service
|
||||
.has(&HELLOWORLD_BLOB_DIGEST.to_vec().try_into().unwrap())
|
||||
.unwrap());
|
||||
assert!(blob_service.has(&HELLOWORLD_BLOB_DIGEST).unwrap());
|
||||
}
|
||||
|
||||
#[test]
|
||||
|
@ -111,7 +109,5 @@ fn complicated() {
|
|||
.is_some());
|
||||
|
||||
// ensure EMPTY_BLOB_CONTENTS has been uploaded
|
||||
assert!(blob_service
|
||||
.has(&EMPTY_BLOB_DIGEST.to_vec().try_into().unwrap())
|
||||
.unwrap());
|
||||
assert!(blob_service.has(&EMPTY_BLOB_DIGEST).unwrap());
|
||||
}
|
||||
|
|
|
@ -69,7 +69,7 @@ fn single_file_wrong_blob_size() {
|
|||
&mut writer,
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(HELLOWORLD_BLOB_DIGEST.to_vec(), writer.close().unwrap());
|
||||
assert_eq!(HELLOWORLD_BLOB_DIGEST.clone(), writer.close().unwrap());
|
||||
|
||||
let renderer = NARRenderer::new(blob_service, gen_directory_service());
|
||||
|
||||
|
@ -131,7 +131,7 @@ fn single_file() {
|
|||
&mut writer,
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(HELLOWORLD_BLOB_DIGEST.to_vec(), writer.close().unwrap());
|
||||
assert_eq!(HELLOWORLD_BLOB_DIGEST.clone(), writer.close().unwrap());
|
||||
|
||||
let renderer = NARRenderer::new(blob_service, gen_directory_service());
|
||||
let mut buf: Vec<u8> = vec![];
|
||||
|
@ -164,7 +164,7 @@ fn test_complicated() {
|
|||
&mut writer,
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(EMPTY_BLOB_DIGEST.to_vec(), writer.close().unwrap());
|
||||
assert_eq!(EMPTY_BLOB_DIGEST.clone(), writer.close().unwrap());
|
||||
|
||||
directory_service.put(DIRECTORY_WITH_KEEP.clone()).unwrap();
|
||||
directory_service
|
||||
|
|
Loading…
Reference in a new issue