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 del_timestamp = next_timestamp(Some(&object)); + let del_uuid = gen_uuid(); - 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 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, bucket_name: &str, bucket_id: Uuid, - key: &str, + key: &String, ) -> Result, 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, req: Request, bucket: &Bucket, - key: &str, + key: &String, content_sha256: Option, ) -> Result, Error> { // Retrieve interesting headers from request @@ -68,16 +69,24 @@ pub(crate) async fn save_stream> + Unpin>( headers: ObjectVersionHeaders, body: S, bucket: &Bucket, - key: &str, + key: &String, content_md5: Option, content_sha256: Option, ) -> 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> + 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> + 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, 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) -> Result) -> 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) +}