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authorAlex <alex@adnab.me>2023-10-24 10:07:16 +0000
committerAlex <alex@adnab.me>2023-10-24 10:07:16 +0000
commit75d5d08ee1f46b238d6efe3f3f39cc6b9a8d3856 (patch)
tree5059701470a55c785d12306574b8041f90d9b59b
parenta5e8ffeb63a193e5b0e020e4c014687e57f85c23 (diff)
parentc82d91c6bccf307186332b6c5c6fc0b128b1b2b1 (diff)
downloadgarage-75d5d08ee1f46b238d6efe3f3f39cc6b9a8d3856.tar.gz
garage-75d5d08ee1f46b238d6efe3f3f39cc6b9a8d3856.zip
Merge pull request 'Ensure increasing version timestamps when writing new object versions' (#543) from increasing-timestamps into main
Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/543
Diffstat
-rw-r--r--src/api/s3/delete.rs42
-rw-r--r--src/api/s3/multipart.rs13
-rw-r--r--src/api/s3/put.rs47
3 files changed, 59 insertions, 43 deletions
diff --git a/src/api/s3/delete.rs b/src/api/s3/delete.rs
index b337155f..1c491eac 100644
--- a/src/api/s3/delete.rs
+++ b/src/api/s3/delete.rs
@@ -3,12 +3,12 @@ use std::sync::Arc;
use hyper::{Body, Request, Response, StatusCode};
use garage_util::data::*;
-use garage_util::time::*;
use garage_model::garage::Garage;
use garage_model::s3::object_table::*;
use crate::s3::error::*;
+use crate::s3::put::next_timestamp;
use crate::s3::xml as s3_xml;
use crate::signature::verify_signed_content;
@@ -23,40 +23,36 @@ async fn handle_delete_internal(
.await?
.ok_or(Error::NoSuchKey)?; // No need to delete
- let interesting_versions = object.versions().iter().filter(|v| {
- !matches!(
- v.state,
- ObjectVersionState::Aborted
- | ObjectVersionState::Complete(ObjectVersionData::DeleteMarker)
- )
- });
-
- let mut version_to_delete = None;
- let mut timestamp = now_msec();
- for v in interesting_versions {
- if v.timestamp + 1 > timestamp || version_to_delete.is_none() {
- version_to_delete = Some(v.uuid);
+ let del_timestamp = next_timestamp(Some(&object));
+ let del_uuid = gen_uuid();
+
+ let deleted_version = object
+ .versions()
+ .iter()
+ .rev()
+ .find(|v| !matches!(&v.state, ObjectVersionState::Aborted))
+ .or_else(|| object.versions().iter().rev().next());
+ let deleted_version = match deleted_version {
+ Some(dv) => dv.uuid,
+ None => {
+ warn!("Object has no versions: {:?}", object);
+ Uuid::from([0u8; 32])
}
- timestamp = std::cmp::max(timestamp, v.timestamp + 1);
- }
-
- let deleted_version = version_to_delete.ok_or(Error::NoSuchKey)?;
-
- let version_uuid = gen_uuid();
+ };
let object = Object::new(
bucket_id,
key.into(),
vec![ObjectVersion {
- uuid: version_uuid,
- timestamp,
+ uuid: del_uuid,
+ timestamp: del_timestamp,
state: ObjectVersionState::Complete(ObjectVersionData::DeleteMarker),
}],
);
garage.object_table.insert(&object).await?;
- Ok((deleted_version, version_uuid))
+ Ok((deleted_version, del_uuid))
}
pub async fn handle_delete(
diff --git a/src/api/s3/multipart.rs b/src/api/s3/multipart.rs
index 52ea8e78..6b786318 100644
--- a/src/api/s3/multipart.rs
+++ b/src/api/s3/multipart.rs
@@ -9,7 +9,6 @@ use md5::{Digest as Md5Digest, Md5};
use garage_table::*;
use garage_util::async_hash::*;
use garage_util::data::*;
-use garage_util::time::*;
use garage_model::bucket_table::Bucket;
use garage_model::garage::Garage;
@@ -30,10 +29,13 @@ pub async fn handle_create_multipart_upload(
req: &Request<Body>,
bucket_name: &str,
bucket_id: Uuid,
- key: &str,
+ key: &String,
) -> Result<Response<Body>, Error> {
+ let existing_object = garage.object_table.get(&bucket_id, &key).await?;
+
let upload_id = gen_uuid();
- let timestamp = now_msec();
+ let timestamp = next_timestamp(existing_object.as_ref());
+
let headers = get_headers(req.headers())?;
// Create object in object table
@@ -233,7 +235,8 @@ pub async fn handle_complete_multipart_upload(
// Get object and multipart upload
let key = key.to_string();
- let (_, mut object_version, mpu) = get_upload(&garage, &bucket.id, &key, &upload_id).await?;
+ let (object, mut object_version, mpu) =
+ get_upload(&garage, &bucket.id, &key, &upload_id).await?;
if mpu.parts.is_empty() {
return Err(Error::bad_request("No data was uploaded"));
@@ -331,7 +334,7 @@ pub async fn handle_complete_multipart_upload(
// Calculate total size of final object
let total_size = parts.iter().map(|x| x.size.unwrap()).sum();
- if let Err(e) = check_quotas(&garage, bucket, &key, total_size).await {
+ if let Err(e) = check_quotas(&garage, bucket, total_size, Some(&object)).await {
object_version.state = ObjectVersionState::Aborted;
let final_object = Object::new(bucket.id, key.clone(), vec![object_version]);
garage.object_table.insert(&final_object).await?;
diff --git a/src/api/s3/put.rs b/src/api/s3/put.rs
index c7ac5030..606facc4 100644
--- a/src/api/s3/put.rs
+++ b/src/api/s3/put.rs
@@ -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 +69,24 @@ 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 = next_timestamp(existing_object.as_ref());
// If body is small enough, store it directly in the object table
// as "inline data". We can then return immediately.
@@ -97,7 +106,7 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
content_sha256,
)?;
- check_quotas(&garage, bucket, key, size).await?;
+ check_quotas(&garage, bucket, size, existing_object.as_ref()).await?;
let object_version = ObjectVersion {
uuid: version_uuid,
@@ -176,7 +185,7 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
content_sha256,
)?;
- check_quotas(&garage, bucket, key, total_size).await?;
+ check_quotas(&garage, bucket, total_size, existing_object.as_ref()).await?;
// Save final object state, marked as Complete
let md5sum_hex = hex::encode(data_md5sum);
@@ -229,19 +238,19 @@ pub(crate) fn ensure_checksum_matches(
pub(crate) async fn check_quotas(
garage: &Arc<Garage>,
bucket: &Bucket,
- key: &str,
size: u64,
+ prev_object: Option<&Object>,
) -> Result<(), Error> {
let quotas = bucket.state.as_option().unwrap().quotas.get();
if quotas.max_objects.is_none() && quotas.max_size.is_none() {
return Ok(());
};
- let key = key.to_string();
- let (prev_object, counters) = futures::try_join!(
- garage.object_table.get(&bucket.id, &key),
- garage.object_counter_table.table.get(&bucket.id, &EmptyKey),
- )?;
+ let counters = garage
+ .object_counter_table
+ .table
+ .get(&bucket.id, &EmptyKey)
+ .await?;
let counters = counters
.map(|x| x.filtered_values(&garage.system.ring.borrow()))
@@ -275,7 +284,7 @@ pub(crate) async fn check_quotas(
if cnt_size_diff > 0 && current_size + cnt_size_diff > ms as i64 {
return Err(Error::forbidden(format!(
"Bucket size quota is reached, maximum total size of objects for this bucket: {}. The bucket is already {} bytes, and this object would add {} bytes.",
- ms, current_size, size
+ ms, current_size, cnt_size_diff
)));
}
}
@@ -519,3 +528,11 @@ pub(crate) fn get_headers(headers: &HeaderMap<HeaderValue>) -> Result<ObjectVers
other,
})
}
+
+pub(crate) fn next_timestamp(existing_object: Option<&Object>) -> u64 {
+ existing_object
+ .as_ref()
+ .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)
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 21:39:52 +0000