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Ensure increasing version timestamps in PutObject

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This commit is contained in:
Alex Auvolat 2023-04-18 18:03:10 +02:00
parent a5e8ffeb63
commit 45b0453d0f
1 changed files with 18 additions and 6 deletions
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24
src/api/s3/put.rs
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@ -3,6 +3,7 @@ use std::sync::Arc;
use base64::prelude::*;
use futures::prelude::*;
use futures::try_join;
use hyper::body::{Body, Bytes};
use hyper::header::{HeaderMap, HeaderValue};
use hyper::{Request, Response};
@ -35,7 +36,7 @@ pub async fn handle_put(
garage: Arc<Garage>,
req: Request<Body>,
bucket: &Bucket,
key: &str,
key: &String,
content_sha256: Option<Hash>,
) -> Result<Response<Body>, Error> {
// Retrieve interesting headers from request
@ -68,16 +69,27 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
headers: ObjectVersionHeaders,
body: S,
bucket: &Bucket,
key: &str,
key: &String,
content_md5: Option<String>,
content_sha256: Option<FixedBytes32>,
) -> Result<(Uuid, String), Error> {
let mut chunker = StreamChunker::new(body, garage.config.block_size);
let (first_block_opt, existing_object) = try_join!(
chunker.next(),
garage
.object_table
.get(&bucket.id, key)
.map_err(Error::from),
)?;
let first_block = first_block_opt.unwrap_or_default();
// Generate identity of new version
let version_uuid = gen_uuid();
let version_timestamp = now_msec();
let mut chunker = StreamChunker::new(body, garage.config.block_size);
let first_block = chunker.next().await?.unwrap_or_default();
let version_timestamp = existing_object
.and_then(|obj| obj.versions().iter().map(|v| v.timestamp).max())
.map(|t| std::cmp::max(t + 1, now_msec()))
.unwrap_or_else(now_msec);
// If body is small enough, store it directly in the object table
// as "inline data". We can then return immediately.