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-rw-r--r--src/api/s3/api_server.rs1
-rw-r--r--src/api/s3/copy.rs121
-rw-r--r--src/api/s3/get.rs6
-rw-r--r--src/api/s3/list.rs177
-rw-r--r--src/api/s3/mod.rs1
-rw-r--r--src/api/s3/multipart.rs422
-rw-r--r--src/api/s3/put.rs402
-rw-r--r--src/model/s3/mpu_table.rs15
-rw-r--r--src/model/s3/version_table.rs11
9 files changed, 610 insertions, 546 deletions
diff --git a/src/api/s3/api_server.rs b/src/api/s3/api_server.rs
index 27837297..7c23de19 100644
--- a/src/api/s3/api_server.rs
+++ b/src/api/s3/api_server.rs
@@ -27,6 +27,7 @@ use crate::s3::cors::*;
use crate::s3::delete::*;
use crate::s3::get::*;
use crate::s3::list::*;
+use crate::s3::multipart::*;
use crate::s3::post_object::handle_post_object;
use crate::s3::put::*;
use crate::s3::router::Endpoint;
diff --git a/src/api/s3/copy.rs b/src/api/s3/copy.rs
index 7eb6459d..68b4f0c9 100644
--- a/src/api/s3/copy.rs
+++ b/src/api/s3/copy.rs
@@ -2,7 +2,7 @@ use std::pin::Pin;
use std::sync::Arc;
use std::time::{Duration, SystemTime, UNIX_EPOCH};
-use futures::{stream, stream::Stream, StreamExt, TryFutureExt};
+use futures::{stream, stream::Stream, StreamExt};
use md5::{Digest as Md5Digest, Md5};
use bytes::Bytes;
@@ -18,12 +18,14 @@ use garage_util::time::*;
use garage_model::garage::Garage;
use garage_model::key_table::Key;
use garage_model::s3::block_ref_table::*;
+use garage_model::s3::mpu_table::*;
use garage_model::s3::object_table::*;
use garage_model::s3::version_table::*;
use crate::helpers::parse_bucket_key;
use crate::s3::error::*;
-use crate::s3::put::{decode_upload_id, get_headers};
+use crate::s3::multipart;
+use crate::s3::put::get_headers;
use crate::s3::xml::{self as s3_xml, xmlns_tag};
pub async fn handle_copy(
@@ -92,7 +94,10 @@ pub async fn handle_copy(
let tmp_dest_object_version = ObjectVersion {
uuid: new_uuid,
timestamp: new_timestamp,
- state: ObjectVersionState::Uploading(new_meta.headers.clone()),
+ state: ObjectVersionState::Uploading {
+ headers: new_meta.headers.clone(),
+ multipart: false,
+ },
};
let tmp_dest_object = Object::new(
dest_bucket_id,
@@ -105,8 +110,14 @@ pub async fn handle_copy(
// this means that the BlockRef entries linked to this version cannot be
// marked as deleted (they are marked as deleted only if the Version
// doesn't exist or is marked as deleted).
- let mut dest_version =
- Version::new(new_uuid, dest_bucket_id, dest_key.to_string(), false);
+ let mut dest_version = Version::new(
+ new_uuid,
+ VersionBacklink::Object {
+ bucket_id: dest_bucket_id,
+ key: dest_key.to_string(),
+ },
+ false,
+ );
garage.version_table.insert(&dest_version).await?;
// Fill in block list for version and insert block refs
@@ -179,17 +190,13 @@ pub async fn handle_upload_part_copy(
) -> Result<Response<Body>, Error> {
let copy_precondition = CopyPreconditionHeaders::parse(req)?;
- let dest_version_uuid = decode_upload_id(upload_id)?;
+ let dest_upload_id = multipart::decode_upload_id(upload_id)?;
let dest_key = dest_key.to_string();
- let (source_object, dest_object) = futures::try_join!(
+ let (source_object, (_, _, mut dest_mpu)) = futures::try_join!(
get_copy_source(&garage, api_key, req),
- garage
- .object_table
- .get(&dest_bucket_id, &dest_key)
- .map_err(Error::from),
+ multipart::get_upload(&garage, &dest_bucket_id, &dest_key, &dest_upload_id)
)?;
- let dest_object = dest_object.ok_or(Error::NoSuchKey)?;
let (source_object_version, source_version_data, source_version_meta) =
extract_source_info(&source_object)?;
@@ -217,15 +224,6 @@ pub async fn handle_upload_part_copy(
},
};
- // Check destination version is indeed in uploading state
- if !dest_object
- .versions()
- .iter()
- .any(|v| v.uuid == dest_version_uuid && v.is_uploading())
- {
- return Err(Error::NoSuchUpload);
- }
-
// Check source version is not inlined
match source_version_data {
ObjectVersionData::DeleteMarker => unreachable!(),
@@ -242,23 +240,11 @@ pub async fn handle_upload_part_copy(
// Fetch source versin with its block list,
// and destination version to check part hasn't yet been uploaded
- let (source_version, dest_version) = futures::try_join!(
- garage
- .version_table
- .get(&source_object_version.uuid, &EmptyKey),
- garage.version_table.get(&dest_version_uuid, &EmptyKey),
- )?;
- let source_version = source_version.ok_or(Error::NoSuchKey)?;
-
- // Check this part number hasn't yet been uploaded
- if let Some(dv) = dest_version {
- if dv.has_part_number(part_number) {
- return Err(Error::bad_request(format!(
- "Part number {} has already been uploaded",
- part_number
- )));
- }
- }
+ let source_version = garage
+ .version_table
+ .get(&source_object_version.uuid, &EmptyKey)
+ .await?
+ .ok_or(Error::NoSuchKey)?;
// We want to reuse blocks from the source version as much as possible.
// However, we still need to get the data from these blocks
@@ -299,6 +285,33 @@ pub async fn handle_upload_part_copy(
current_offset = block_end;
}
+ // Calculate the identity of destination part: timestamp, version id
+ let dest_version_id = gen_uuid();
+ let dest_mpu_part_key = MpuPartKey {
+ part_number,
+ timestamp: dest_mpu.next_timestamp(part_number),
+ };
+
+ // Create the uploaded part
+ dest_mpu.parts.clear();
+ dest_mpu.parts.put(
+ dest_mpu_part_key,
+ MpuPart {
+ version: dest_version_id,
+ etag: None,
+ size: None,
+ },
+ );
+ garage.mpu_table.insert(&dest_mpu).await?;
+
+ let mut dest_version = Version::new(
+ dest_version_id,
+ VersionBacklink::MultipartUpload {
+ upload_id: dest_upload_id,
+ },
+ false,
+ );
+
// Now, actually copy the blocks
let mut md5hasher = Md5::new();
@@ -348,8 +361,8 @@ pub async fn handle_upload_part_copy(
let must_upload = existing_block_hash.is_none();
let final_hash = existing_block_hash.unwrap_or_else(|| blake2sum(&data[..]));
- let mut version = Version::new(dest_version_uuid, dest_bucket_id, dest_key.clone(), false);
- version.blocks.put(
+ dest_version.blocks.clear();
+ dest_version.blocks.put(
VersionBlockKey {
part_number,
offset: current_offset,
@@ -363,7 +376,7 @@ pub async fn handle_upload_part_copy(
let block_ref = BlockRef {
block: final_hash,
- version: dest_version_uuid,
+ version: dest_version_id,
deleted: false.into(),
};
@@ -378,23 +391,33 @@ pub async fn handle_upload_part_copy(
Ok(())
}
},
- // Thing 2: we need to insert the block in the version
- garage.version_table.insert(&version),
- // Thing 3: we need to add a block reference
- garage.block_ref_table.insert(&block_ref),
+ async {
+ // Thing 2: we need to insert the block in the version
+ garage.version_table.insert(&dest_version).await?;
+ // Thing 3: we need to add a block reference
+ garage.block_ref_table.insert(&block_ref).await
+ },
// Thing 4: we need to prefetch the next block
defragmenter.next(),
)?;
- next_block = res.3;
+ next_block = res.2;
}
+ assert_eq!(current_offset, source_range.length);
+
let data_md5sum = md5hasher.finalize();
let etag = hex::encode(data_md5sum);
// Put the part's ETag in the Versiontable
- let mut version = Version::new(dest_version_uuid, dest_bucket_id, dest_key.clone(), false);
- version.parts_etags.put(part_number, etag.clone());
- garage.version_table.insert(&version).await?;
+ dest_mpu.parts.put(
+ dest_mpu_part_key,
+ MpuPart {
+ version: dest_version_id,
+ etag: Some(etag.clone()),
+ size: Some(current_offset),
+ },
+ );
+ garage.mpu_table.insert(&dest_mpu).await?;
// LGTM
let resp_xml = s3_xml::to_xml_with_header(&CopyPartResult {
diff --git a/src/api/s3/get.rs b/src/api/s3/get.rs
index 2a99551a..aa391745 100644
--- a/src/api/s3/get.rs
+++ b/src/api/s3/get.rs
@@ -149,7 +149,6 @@ pub async fn handle_head(
let (part_offset, part_end) =
calculate_part_bounds(&version, pn).ok_or(Error::InvalidPart)?;
- let n_parts = version.parts_etags.items().len();
Ok(object_headers(object_version, version_meta)
.header(CONTENT_LENGTH, format!("{}", part_end - part_offset))
@@ -162,7 +161,7 @@ pub async fn handle_head(
version_meta.size
),
)
- .header(X_AMZ_MP_PARTS_COUNT, format!("{}", n_parts))
+ .header(X_AMZ_MP_PARTS_COUNT, format!("{}", version.n_parts()?))
.status(StatusCode::PARTIAL_CONTENT)
.body(Body::empty())?)
}
@@ -376,7 +375,6 @@ async fn handle_get_part(
let (begin, end) =
calculate_part_bounds(&version, part_number).ok_or(Error::InvalidPart)?;
- let n_parts = version.parts_etags.items().len();
let body = body_from_blocks_range(garage, version.blocks.items(), begin, end);
@@ -386,7 +384,7 @@ async fn handle_get_part(
CONTENT_RANGE,
format!("bytes {}-{}/{}", begin, end - 1, version_meta.size),
)
- .header(X_AMZ_MP_PARTS_COUNT, format!("{}", n_parts))
+ .header(X_AMZ_MP_PARTS_COUNT, format!("{}", version.n_parts()?))
.body(body)?)
}
_ => unreachable!(),
diff --git a/src/api/s3/list.rs b/src/api/s3/list.rs
index 5cb0d65a..5a9eb133 100644
--- a/src/api/s3/list.rs
+++ b/src/api/s3/list.rs
@@ -1,4 +1,3 @@
-use std::cmp::Ordering;
use std::collections::{BTreeMap, BTreeSet};
use std::iter::{Iterator, Peekable};
use std::sync::Arc;
@@ -11,15 +10,15 @@ use garage_util::error::Error as GarageError;
use garage_util::time::*;
use garage_model::garage::Garage;
+use garage_model::s3::mpu_table::*;
use garage_model::s3::object_table::*;
-use garage_model::s3::version_table::Version;
-use garage_table::{EmptyKey, EnumerationOrder};
+use garage_table::EnumerationOrder;
use crate::encoding::*;
use crate::helpers::key_after_prefix;
use crate::s3::error::*;
-use crate::s3::put as s3_put;
+use crate::s3::multipart as s3_multipart;
use crate::s3::xml as s3_xml;
const DUMMY_NAME: &str = "Dummy Key";
@@ -176,7 +175,9 @@ pub async fn handle_list_multipart_upload(
t.get_range(
&bucket,
key,
- Some(ObjectFilter::IsUploading),
+ Some(ObjectFilter::IsUploading {
+ check_multipart: Some(true),
+ }),
count,
EnumerationOrder::Forward,
)
@@ -272,23 +273,23 @@ pub async fn handle_list_parts(
) -> Result<Response<Body>, Error> {
debug!("ListParts {:?}", query);
- let upload_id = s3_put::decode_upload_id(&query.upload_id)?;
+ let upload_id = s3_multipart::decode_upload_id(&query.upload_id)?;
- let (object, version) = futures::try_join!(
- garage.object_table.get(&query.bucket_id, &query.key),
- garage.version_table.get(&upload_id, &EmptyKey),
- )?;
+ let (_, _, mpu) =
+ s3_multipart::get_upload(&garage, &query.bucket_id, &query.key, &upload_id).await?;
- let (info, next) = fetch_part_info(query, object, version, upload_id)?;
+ let (info, next) = fetch_part_info(query, &mpu)?;
let result = s3_xml::ListPartsResult {
xmlns: (),
+ // Query parameters
bucket: s3_xml::Value(query.bucket_name.to_string()),
key: s3_xml::Value(query.key.to_string()),
upload_id: s3_xml::Value(query.upload_id.to_string()),
part_number_marker: query.part_number_marker.map(|e| s3_xml::IntValue(e as i64)),
- next_part_number_marker: next.map(|e| s3_xml::IntValue(e as i64)),
max_parts: s3_xml::IntValue(query.max_parts as i64),
+ // Result values
+ next_part_number_marker: next.map(|e| s3_xml::IntValue(e as i64)),
is_truncated: s3_xml::Value(next.map(|_| "true").unwrap_or("false").to_string()),
parts: info
.iter()
@@ -299,6 +300,7 @@ pub async fn handle_list_parts(
size: s3_xml::IntValue(part.size as i64),
})
.collect(),
+ // Dummy result values (unsupported features)
initiator: s3_xml::Initiator {
display_name: s3_xml::Value(DUMMY_NAME.to_string()),
id: s3_xml::Value(DUMMY_KEY.to_string()),
@@ -335,8 +337,8 @@ struct UploadInfo {
}
#[derive(Debug, PartialEq)]
-struct PartInfo {
- etag: String,
+struct PartInfo<'a> {
+ etag: &'a str,
timestamp: u64,
part_number: u64,
size: u64,
@@ -456,106 +458,52 @@ where
}
}
-fn fetch_part_info(
+fn fetch_part_info<'a>(
query: &ListPartsQuery,
- object: Option<Object>,
- version: Option<Version>,
- upload_id: Uuid,
-) -> Result<(Vec<PartInfo>, Option<u64>), Error> {
- // Check results
- let object = object.ok_or(Error::NoSuchKey)?;
-
- let obj_version = object
- .versions()
- .iter()
- .find(|v| v.uuid == upload_id && v.is_uploading())
- .ok_or(Error::NoSuchUpload)?;
-
- let version = version.ok_or(Error::NoSuchKey)?;
-
- // Cut the beginning of our 2 vectors if required
- let (etags, blocks) = match &query.part_number_marker {
- Some(marker) => {
- let next = marker + 1;
-
- let part_idx = into_ok_or_err(
- version
- .parts_etags
- .items()
- .binary_search_by(|(part_num, _)| part_num.cmp(&next)),
- );
- let parts = &version.parts_etags.items()[part_idx..];
-
- let block_idx = into_ok_or_err(
- version
- .blocks
- .items()
- .binary_search_by(|(vkey, _)| vkey.part_number.cmp(&next)),
- );
- let blocks = &version.blocks.items()[block_idx..];
-
- (parts, blocks)
- }
- None => (version.parts_etags.items(), version.blocks.items()),
- };
-
- // Use the block vector to compute a (part_number, size) vector
- let mut size = Vec::<(u64, u64)>::new();
- blocks.iter().for_each(|(key, val)| {
- let mut new_size = val.size;
- match size.pop() {
- Some((part_number, size)) if part_number == key.part_number => new_size += size,
- Some(v) => size.push(v),
- None => (),
- }
- size.push((key.part_number, new_size))
- });
-
- // Merge the etag vector and size vector to build a PartInfo vector
- let max_parts = query.max_parts as usize;
- let (mut etag_iter, mut size_iter) = (etags.iter().peekable(), size.iter().peekable());
-
- let mut info = Vec::<PartInfo>::with_capacity(max_parts);
-
- while info.len() < max_parts {
- match (etag_iter.peek(), size_iter.peek()) {
- (Some((ep, etag)), Some((sp, size))) => match ep.cmp(sp) {
- Ordering::Less => {
- debug!("ETag information ignored due to missing corresponding block information. Query: {:?}", query);
- etag_iter.next();
- }
- Ordering::Equal => {
- info.push(PartInfo {
- etag: etag.to_string(),
- timestamp: obj_version.timestamp,
- part_number: *ep,
- size: *size,
- });
- etag_iter.next();
- size_iter.next();
+ mpu: &'a MultipartUpload,
+) -> Result<(Vec<PartInfo<'a>>, Option<u64>), Error> {
+ // Parse multipart upload part list, removing parts not yet finished
+ // and failed part uploads that were overwritten
+ let mut parts: Vec<PartInfo<'a>> = Vec::with_capacity(mpu.parts.items().len());
+ for (pk, p) in mpu.parts.items().iter() {
+ if let (Some(etag), Some(size)) = (&p.etag, p.size) {
+ let part_info = PartInfo {
+ part_number: pk.part_number,
+ timestamp: pk.timestamp,
+ etag,
+ size,
+ };
+ match parts.last_mut() {
+ Some(lastpart) if lastpart.part_number == pk.part_number => {
+ *lastpart = part_info;
}
- Ordering::Greater => {
- debug!("Block information ignored due to missing corresponding ETag information. Query: {:?}", query);
- size_iter.next();
+ _ => {
+ parts.push(part_info);
}
- },
- (None, None) => return Ok((info, None)),
- _ => {
- debug!(
- "Additional block or ETag information ignored. Query: {:?}",
- query
- );
- return Ok((info, None));
}
}
}
- match info.last() {
+ // Cut the beginning and end
+ match &query.part_number_marker {
+ Some(marker) => {
+ let next = marker + 1;
+ let part_idx =
+ into_ok_or_err(parts.binary_search_by(|part| part.part_number.cmp(&next)));
+ parts.truncate(part_idx + query.max_parts as usize);
+ parts = parts.split_off(part_idx);
+ }
+ None => {
+ parts.truncate(query.max_parts as usize);
+ }
+ };
+
+ match parts.last() {
Some(part_info) => {
let pagination = Some(part_info.part_number);
- Ok((info, pagination))
+ Ok((parts, pagination))
}
- None => Ok((info, None)),
+ None => Ok((parts, None)),
}
}
@@ -651,7 +599,7 @@ impl ListMultipartUploadsQuery {
}),
uuid => Ok(RangeBegin::AfterUpload {
key: key_marker.to_string(),
- upload: s3_put::decode_upload_id(uuid)?,
+ upload: s3_multipart::decode_upload_id(uuid)?,
}),
},
@@ -843,7 +791,7 @@ impl ExtractAccumulator for UploadAccumulator {
let mut uploads_for_key = object
.versions()
.iter()
- .filter(|x| x.is_uploading())
+ .filter(|x| x.is_uploading(Some(true)))
.collect::<Vec<&ObjectVersion>>();
// S3 logic requires lexicographically sorted upload ids.
@@ -991,10 +939,13 @@ mod tests {
ObjectVersion {
uuid: Uuid::from(uuid),
timestamp: TS,
- state: ObjectVersionState::Uploading(ObjectVersionHeaders {
- content_type: "text/plain".to_string(),
- other: BTreeMap::<String, String>::new(),
- }),
+ state: ObjectVersionState::Uploading {
+ multipart: true,
+ headers: ObjectVersionHeaders {
+ content_type: "text/plain".to_string(),
+ other: BTreeMap::<String, String>::new(),
+ },
+ },
}
}
@@ -1233,11 +1184,13 @@ mod tests {
];
Version {
- bucket_id: uuid,
- key: "a".to_string(),
uuid,
deleted: false.into(),
blocks: crdt::Map::<VersionBlockKey, VersionBlock>::from_iter(blocks),
+ backlink: VersionBacklink::Object {
+ bucket_id: uuid,
+ key: "a".to_string(),
+ },
parts_etags: crdt::Map::<u64, String>::from_iter(etags),
}
}
diff --git a/src/api/s3/mod.rs b/src/api/s3/mod.rs
index 7b56d4d8..b5237bf7 100644
--- a/src/api/s3/mod.rs
+++ b/src/api/s3/mod.rs
@@ -7,6 +7,7 @@ pub mod cors;
mod delete;
pub mod get;
mod list;
+mod multipart;
mod post_object;
mod put;
mod website;
diff --git a/src/api/s3/multipart.rs b/src/api/s3/multipart.rs
new file mode 100644
index 00000000..ecd7a212
--- /dev/null
+++ b/src/api/s3/multipart.rs
@@ -0,0 +1,422 @@
+use std::collections::HashMap;
+use std::sync::Arc;
+
+use futures::prelude::*;
+use hyper::body::Body;
+use hyper::{Request, Response};
+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;
+use garage_model::s3::block_ref_table::*;
+use garage_model::s3::mpu_table::*;
+use garage_model::s3::object_table::*;
+use garage_model::s3::version_table::*;
+
+use crate::s3::error::*;
+use crate::s3::put::*;
+use crate::s3::xml as s3_xml;
+use crate::signature::verify_signed_content;
+
+// ----
+
+pub async fn handle_create_multipart_upload(
+ garage: Arc<Garage>,
+ req: &Request<Body>,
+ bucket_name: &str,
+ bucket_id: Uuid,
+ key: &str,
+) -> Result<Response<Body>, Error> {
+ let upload_id = gen_uuid();
+ let headers = get_headers(req.headers())?;
+
+ // Create object in object table
+ let object_version = ObjectVersion {
+ uuid: upload_id,
+ timestamp: now_msec(),
+ state: ObjectVersionState::Uploading {
+ multipart: true,
+ headers,
+ },
+ };
+ let object = Object::new(bucket_id, key.to_string(), vec![object_version]);
+ garage.object_table.insert(&object).await?;
+
+ // Create multipart upload in mpu table
+ // This multipart upload will hold references to uploaded parts
+ // (which are entries in the Version table)
+ let mpu = MultipartUpload::new(upload_id, bucket_id, key.into(), false);
+ garage.mpu_table.insert(&mpu).await?;
+
+ // Send success response
+ let result = s3_xml::InitiateMultipartUploadResult {
+ xmlns: (),
+ bucket: s3_xml::Value(bucket_name.to_string()),
+ key: s3_xml::Value(key.to_string()),
+ upload_id: s3_xml::Value(hex::encode(upload_id)),
+ };
+ let xml = s3_xml::to_xml_with_header(&result)?;
+
+ Ok(Response::new(Body::from(xml.into_bytes())))
+}
+
+pub async fn handle_put_part(
+ garage: Arc<Garage>,
+ req: Request<Body>,
+ bucket_id: Uuid,
+ key: &str,
+ part_number: u64,
+ upload_id: &str,
+ content_sha256: Option<Hash>,
+) -> Result<Response<Body>, Error> {
+ let upload_id = decode_upload_id(upload_id)?;
+
+ let content_md5 = match req.headers().get("content-md5") {
+ Some(x) => Some(x.to_str()?.to_string()),
+ None => None,
+ };
+
+ // Read first chuck, and at the same time try to get object to see if it exists
+ let key = key.to_string();
+
+ let body = req.into_body().map_err(Error::from);
+ let mut chunker = StreamChunker::new(body, garage.config.block_size);
+
+ let ((_, _, mut mpu), first_block) = futures::try_join!(
+ get_upload(&garage, &bucket_id, &key, &upload_id),
+ chunker.next(),
+ )?;
+
+ // Check object is valid and part can be accepted
+ let first_block = first_block.ok_or_bad_request("Empty body")?;
+
+ // Calculate part identity: timestamp, version id
+ let version_id = gen_uuid();
+ let mpu_part_key = MpuPartKey {
+ part_number,
+ timestamp: mpu.next_timestamp(part_number),
+ };
+
+ // Create version and link version from MPU
+ mpu.parts.clear();
+ mpu.parts.put(
+ mpu_part_key,
+ MpuPart {
+ version: version_id,
+ etag: None,
+ size: None,
+ },
+ );
+ garage.mpu_table.insert(&mpu).await?;
+
+ let version = Version::new(
+ version_id,
+ VersionBacklink::MultipartUpload { upload_id },
+ false,
+ );
+ garage.version_table.insert(&version).await?;
+
+ // Copy data to version
+ let first_block_hash = async_blake2sum(first_block.clone()).await;
+
+ let (total_size, data_md5sum, data_sha256sum) = read_and_put_blocks(
+ &garage,
+ &version,
+ part_number,
+ first_block,
+ first_block_hash,
+ &mut chunker,
+ )
+ .await?;
+
+ // Verify that checksums map
+ ensure_checksum_matches(
+ data_md5sum.as_slice(),
+ data_sha256sum,
+ content_md5.as_deref(),
+ content_sha256,
+ )?;
+
+ // Store part etag in version
+ let data_md5sum_hex = hex::encode(data_md5sum);
+ mpu.parts.put(
+ mpu_part_key,
+ MpuPart {
+ version: version_id,
+ etag: Some(data_md5sum_hex.clone()),
+ size: Some(total_size),
+ },
+ );
+ garage.mpu_table.insert(&mpu).await?;
+
+ let response = Response::builder()
+ .header("ETag", format!("\"{}\"", data_md5sum_hex))
+ .body(Body::empty())
+ .unwrap();
+ Ok(response)
+}
+
+pub async fn handle_complete_multipart_upload(
+ garage: Arc<Garage>,
+ req: Request<Body>,
+ bucket_name: &str,
+ bucket: &Bucket,
+ key: &str,
+ upload_id: &str,
+ content_sha256: Option<Hash>,
+) -> Result<Response<Body>, Error> {
+ let body = hyper::body::to_bytes(req.into_body()).await?;
+
+ if let Some(content_sha256) = content_sha256 {
+ verify_signed_content(content_sha256, &body[..])?;
+ }
+
+ let body_xml = roxmltree::Document::parse(std::str::from_utf8(&body)?)?;
+ let body_list_of_parts = parse_complete_multipart_upload_body(&body_xml)
+ .ok_or_bad_request("Invalid CompleteMultipartUpload XML")?;
+ debug!(
+ "CompleteMultipartUpload list of parts: {:?}",
+ body_list_of_parts
+ );
+
+ let upload_id = decode_upload_id(upload_id)?;
+
+ // Get object and multipart upload
+ let key = key.to_string();
+ let (_, 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"));
+ }
+
+ let headers = match object_version.state {
+ ObjectVersionState::Uploading { headers, .. } => headers,
+ _ => unreachable!(),
+ };
+
+ // Check that part numbers are an increasing sequence.
+ // (it doesn't need to start at 1 nor to be a continuous sequence,
+ // see discussion in #192)
+ if body_list_of_parts.is_empty() {
+ return Err(Error::EntityTooSmall);
+ }
+ if !body_list_of_parts
+ .iter()
+ .zip(body_list_of_parts.iter().skip(1))
+ .all(|(p1, p2)| p1.part_number < p2.part_number)
+ {
+ return Err(Error::InvalidPartOrder);
+ }
+
+ // Check that the list of parts they gave us corresponds to parts we have here
+ debug!("Parts stored in multipart upload: {:?}", mpu.parts.items());
+ let mut have_parts = HashMap::new();
+ for (pk, pv) in mpu.parts.items().iter() {
+ have_parts.insert(pk.part_number, pv);
+ }
+ let mut parts = vec![];
+ for req_part in body_list_of_parts.iter() {
+ match have_parts.get(&req_part.part_number) {
+ Some(part) if part.etag.as_ref() == Some(&req_part.etag) && part.size.is_some() => {
+ parts.push(*part)
+ }
+ _ => return Err(Error::InvalidPart),
+ }
+ }
+
+ let grg = &garage;
+ let parts_versions = futures::future::try_join_all(parts.iter().map(|p| async move {
+ grg.version_table
+ .get(&p.version, &EmptyKey)
+ .await?
+ .ok_or_internal_error("Part version missing from version table")
+ }))
+ .await?;
+
+ // Create final version and block refs
+ let mut final_version = Version::new(
+ upload_id,
+ VersionBacklink::Object {
+ bucket_id: bucket.id,
+ key: key.to_string(),
+ },
+ false,
+ );
+ for (part_number, part_version) in parts_versions.iter().enumerate() {
+ if part_version.deleted.get() {
+ return Err(Error::InvalidPart);
+ }
+ for (vbk, vb) in part_version.blocks.items().iter() {
+ final_version.blocks.put(
+ VersionBlockKey {
+ part_number: part_number as u64,
+ offset: vbk.offset,
+ },
+ *vb,
+ );
+ }
+ }
+ garage.version_table.insert(&final_version).await?;
+
+ let block_refs = final_version.blocks.items().iter().map(|(_, b)| BlockRef {
+ block: b.hash,
+ version: upload_id,
+ deleted: false.into(),
+ });
+ garage.block_ref_table.insert_many(block_refs).await?;
+
+ // Calculate etag of final object
+ // To understand how etags are calculated, read more here:
+ // https://teppen.io/2018/06/23/aws_s3_etags/
+ let mut etag_md5_hasher = Md5::new();
+ for part in parts.iter() {
+ etag_md5_hasher.update(part.etag.as_ref().unwrap().as_bytes());
+ }
+ let etag = format!(
+ "{}-{}",
+ hex::encode(etag_md5_hasher.finalize()),
+ parts.len()
+ );
+
+ // 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 {
+ object_version.state = ObjectVersionState::Aborted;
+ let final_object = Object::new(bucket.id, key.clone(), vec![object_version]);
+ garage.object_table.insert(&final_object).await?;
+
+ return Err(e);
+ }
+
+ // Write final object version
+ object_version.state = ObjectVersionState::Complete(ObjectVersionData::FirstBlock(
+ ObjectVersionMeta {
+ headers,
+ size: total_size,
+ etag: etag.clone(),
+ },
+ final_version.blocks.items()[0].1.hash,
+ ));
+
+ let final_object = Object::new(bucket.id, key.clone(), vec![object_version]);
+ garage.object_table.insert(&final_object).await?;
+
+ // Send response saying ok we're done
+ let result = s3_xml::CompleteMultipartUploadResult {
+ xmlns: (),
+ location: None,
+ bucket: s3_xml::Value(bucket_name.to_string()),
+ key: s3_xml::Value(key),
+ etag: s3_xml::Value(format!("\"{}\"", etag)),
+ };
+ let xml = s3_xml::to_xml_with_header(&result)?;
+
+ Ok(Response::new(Body::from(xml.into_bytes())))
+}
+
+pub async fn handle_abort_multipart_upload(
+ garage: Arc<Garage>,
+ bucket_id: Uuid,
+ key: &str,
+ upload_id: &str,
+) -> Result<Response<Body>, Error> {
+ let upload_id = decode_upload_id(upload_id)?;
+
+ let (_, mut object_version, _) =
+ get_upload(&garage, &bucket_id, &key.to_string(), &upload_id).await?;
+
+ object_version.state = ObjectVersionState::Aborted;
+ let final_object = Object::new(bucket_id, key.to_string(), vec![object_version]);
+ garage.object_table.insert(&final_object).await?;
+
+ Ok(Response::new(Body::from(vec![])))
+}
+
+// ======== helpers ============
+
+pub(crate) async fn get_upload(
+ garage: &Garage,
+ bucket_id: &Uuid,
+ key: &String,
+ upload_id: &Uuid,
+) -> Result<(Object, ObjectVersion, MultipartUpload), Error> {
+ let (object, mpu) = futures::try_join!(
+ garage
+ .object_table
+ .get(&bucket_id, &key)
+ .map_err(Error::from),
+ garage
+ .mpu_table
+ .get(&upload_id, &EmptyKey)
+ .map_err(Error::from),
+ )?;
+
+ let object = object.ok_or(Error::NoSuchUpload)?;
+ let mpu = mpu.ok_or(Error::NoSuchUpload)?;
+
+ let object_version = object
+ .versions()
+ .iter()
+ .find(|v| v.uuid == *upload_id && v.is_uploading(Some(true)))
+ .ok_or(Error::NoSuchUpload)?
+ .clone();
+
+ Ok((object, object_version, mpu))
+}
+
+pub fn decode_upload_id(id: &str) -> Result<Uuid, Error> {
+ let id_bin = hex::decode(id).map_err(|_| Error::NoSuchUpload)?;
+ if id_bin.len() != 32 {
+ return Err(Error::NoSuchUpload);
+ }
+ let mut uuid = [0u8; 32];
+ uuid.copy_from_slice(&id_bin[..]);
+ Ok(Uuid::from(uuid))
+}
+
+#[derive(Debug)]
+struct CompleteMultipartUploadPart {
+ etag: String,
+ part_number: u64,
+}
+
+fn parse_complete_multipart_upload_body(
+ xml: &roxmltree::Document,
+) -> Option<Vec<CompleteMultipartUploadPart>> {
+ let mut parts = vec![];
+
+ let root = xml.root();
+ let cmu = root.first_child()?;
+ if !cmu.has_tag_name("CompleteMultipartUpload") {
+ return None;
+ }
+
+ for item in cmu.children() {
+ // Only parse <Part> nodes
+ if !item.is_element() {
+ continue;
+ }
+
+ if item.has_tag_name("Part") {
+ let etag = item.children().find(|e| e.has_tag_name("ETag"))?.text()?;
+ let part_number = item
+ .children()
+ .find(|e| e.has_tag_name("PartNumber"))?
+ .text()?;
+ parts.push(CompleteMultipartUploadPart {
+ etag: etag.trim_matches('"').to_string(),
+ part_number: part_number.parse().ok()?,
+ });
+ } else {
+ return None;
+ }
+ }
+
+ Some(parts)
+}
diff --git a/src/api/s3/put.rs b/src/api/s3/put.rs
index 350ab884..804e1087 100644
--- a/src/api/s3/put.rs
+++ b/src/api/s3/put.rs
@@ -1,4 +1,4 @@
-use std::collections::{BTreeMap, BTreeSet, HashMap};
+use std::collections::{BTreeMap, HashMap};
use std::sync::Arc;
use base64::prelude::*;
@@ -30,8 +30,6 @@ use garage_model::s3::object_table::*;
use garage_model::s3::version_table::*;
use crate::s3::error::*;
-use crate::s3::xml as s3_xml;
-use crate::signature::verify_signed_content;
pub async fn handle_put(
garage: Arc<Garage>,
@@ -136,7 +134,10 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
let mut object_version = ObjectVersion {
uuid: version_uuid,
timestamp: version_timestamp,
- state: ObjectVersionState::Uploading(headers.clone()),
+ state: ObjectVersionState::Uploading {
+ headers: headers.clone(),
+ multipart: false,
+ },
};
let object = Object::new(bucket.id, key.into(), vec![object_version.clone()]);
garage.object_table.insert(&object).await?;
@@ -145,7 +146,14 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
// Write this entry now, even with empty block list,
// to prevent block_ref entries from being deleted (they can be deleted
// if the reference a version that isn't found in the version table)
- let version = Version::new(version_uuid, bucket.id, key.into(), false);
+ let version = Version::new(
+ version_uuid,
+ VersionBacklink::Object {
+ bucket_id: bucket.id,
+ key: key.into(),
+ },
+ false,
+ );
garage.version_table.insert(&version).await?;
// Transfer data and verify checksum
@@ -192,7 +200,7 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
/// Validate MD5 sum against content-md5 header
/// and sha256sum against signed content-sha256
-fn ensure_checksum_matches(
+pub(crate) fn ensure_checksum_matches(
data_md5sum: &[u8],
data_sha256sum: garage_util::data::FixedBytes32,
content_md5: Option<&str>,
@@ -218,7 +226,7 @@ fn ensure_checksum_matches(
}
/// Check that inserting this object with this size doesn't exceed bucket quotas
-async fn check_quotas(
+pub(crate) async fn check_quotas(
garage: &Arc<Garage>,
bucket: &Bucket,
key: &str,
@@ -275,7 +283,7 @@ async fn check_quotas(
Ok(())
}
-async fn read_and_put_blocks<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
+pub(crate) async fn read_and_put_blocks<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
garage: &Garage,
version: &Version,
part_number: u64,
@@ -381,7 +389,7 @@ async fn put_block_meta(
Ok(())
}
-struct StreamChunker<S: Stream<Item = Result<Bytes, Error>>> {
+pub(crate) struct StreamChunker<S: Stream<Item = Result<Bytes, Error>>> {
stream: S,
read_all: bool,
block_size: usize,
@@ -389,7 +397,7 @@ struct StreamChunker<S: Stream<Item = Result<Bytes, Error>>> {
}
impl<S: Stream<Item = Result<Bytes, Error>> + Unpin> StreamChunker<S> {
- fn new(stream: S, block_size: usize) -> Self {
+ pub(crate) fn new(stream: S, block_size: usize) -> Self {
Self {
stream,
read_all: false,
@@ -398,7 +406,7 @@ impl<S: Stream<Item = Result<Bytes, Error>> + Unpin> StreamChunker<S> {
}
}
- async fn next(&mut self) -> Result<Option<Bytes>, Error> {
+ pub(crate) async fn next(&mut self) -> Result<Option<Bytes>, Error> {
while !self.read_all && self.buf.len() < self.block_size {
if let Some(block) = self.stream.next().await {
let bytes = block?;
@@ -450,326 +458,9 @@ impl Drop for InterruptedCleanup {
}
}
-// ----
-
-pub async fn handle_create_multipart_upload(
- garage: Arc<Garage>,
- req: &Request<Body>,
- bucket_name: &str,
- bucket_id: Uuid,
- key: &str,
-) -> Result<Response<Body>, Error> {
- let version_uuid = gen_uuid();
- let headers = get_headers(req.headers())?;
-
- // Create object in object table
- let object_version = ObjectVersion {
- uuid: version_uuid,
- timestamp: now_msec(),
- state: ObjectVersionState::Uploading(headers),
- };
- let object = Object::new(bucket_id, key.to_string(), vec![object_version]);
- garage.object_table.insert(&object).await?;
-
- // Insert empty version so that block_ref entries refer to something
- // (they are inserted concurrently with blocks in the version table, so
- // there is the possibility that they are inserted before the version table
- // is created, in which case it is allowed to delete them, e.g. in repair_*)
- let version = Version::new(version_uuid, bucket_id, key.into(), false);
- garage.version_table.insert(&version).await?;
-
- // Send success response
- let result = s3_xml::InitiateMultipartUploadResult {
- xmlns: (),
- bucket: s3_xml::Value(bucket_name.to_string()),
- key: s3_xml::Value(key.to_string()),
- upload_id: s3_xml::Value(hex::encode(version_uuid)),
- };
- let xml = s3_xml::to_xml_with_header(&result)?;
-
- Ok(Response::new(Body::from(xml.into_bytes())))
-}
-
-pub async fn handle_put_part(
- garage: Arc<Garage>,
- req: Request<Body>,
- bucket_id: Uuid,
- key: &str,
- part_number: u64,
- upload_id: &str,
- content_sha256: Option<Hash>,
-) -> Result<Response<Body>, Error> {
- let version_uuid = decode_upload_id(upload_id)?;
-
- let content_md5 = match req.headers().get("content-md5") {
- Some(x) => Some(x.to_str()?.to_string()),
- None => None,
- };
-
- // Read first chuck, and at the same time try to get object to see if it exists
- let key = key.to_string();
-
- let body = req.into_body().map_err(Error::from);
- let mut chunker = StreamChunker::new(body, garage.config.block_size);
+// ============ helpers ============
- let (object, version, first_block) = futures::try_join!(
- garage
- .object_table
- .get(&bucket_id, &key)
- .map_err(Error::from),
- garage
- .version_table
- .get(&version_uuid, &EmptyKey)
- .map_err(Error::from),
- chunker.next(),
- )?;
-
- // Check object is valid and multipart block can be accepted
- let first_block = first_block.ok_or_bad_request("Empty body")?;
- let object = object.ok_or_bad_request("Object not found")?;
-
- if !object
- .versions()
- .iter()
- .any(|v| v.uuid == version_uuid && v.is_uploading())
- {
- return Err(Error::NoSuchUpload);
- }
-
- // Check part hasn't already been uploaded
- if let Some(v) = version {
- if v.has_part_number(part_number) {
- return Err(Error::bad_request(format!(
- "Part number {} has already been uploaded",
- part_number
- )));
- }
- }
-
- // Copy block to store
- let version = Version::new(version_uuid, bucket_id, key, false);
-
- let first_block_hash = async_blake2sum(first_block.clone()).await;
-
- let (_, data_md5sum, data_sha256sum) = read_and_put_blocks(
- &garage,
- &version,
- part_number,
- first_block,
- first_block_hash,
- &mut chunker,
- )
- .await?;
-
- // Verify that checksums map
- ensure_checksum_matches(
- data_md5sum.as_slice(),
- data_sha256sum,
- content_md5.as_deref(),
- content_sha256,
- )?;
-
- // Store part etag in version
- let data_md5sum_hex = hex::encode(data_md5sum);
- let mut version = version;
- version
- .parts_etags
- .put(part_number, data_md5sum_hex.clone());
- garage.version_table.insert(&version).await?;
-
- let response = Response::builder()
- .header("ETag", format!("\"{}\"", data_md5sum_hex))
- .body(Body::empty())
- .unwrap();
- Ok(response)
-}
-
-pub async fn handle_complete_multipart_upload(
- garage: Arc<Garage>,
- req: Request<Body>,
- bucket_name: &str,
- bucket: &Bucket,
- key: &str,
- upload_id: &str,
- content_sha256: Option<Hash>,
-) -> Result<Response<Body>, Error> {
- let body = hyper::body::to_bytes(req.into_body()).await?;
-
- if let Some(content_sha256) = content_sha256 {
- verify_signed_content(content_sha256, &body[..])?;
- }
-
- let body_xml = roxmltree::Document::parse(std::str::from_utf8(&body)?)?;
- let body_list_of_parts = parse_complete_multipart_upload_body(&body_xml)
- .ok_or_bad_request("Invalid CompleteMultipartUpload XML")?;
- debug!(
- "CompleteMultipartUpload list of parts: {:?}",
- body_list_of_parts
- );
-
- let version_uuid = decode_upload_id(upload_id)?;
-
- // Get object and version
- let key = key.to_string();
- let (object, version) = futures::try_join!(
- garage.object_table.get(&bucket.id, &key),
- garage.version_table.get(&version_uuid, &EmptyKey),
- )?;
-
- let object = object.ok_or(Error::NoSuchKey)?;
- let mut object_version = object
- .versions()
- .iter()
- .find(|v| v.uuid == version_uuid && v.is_uploading())
- .cloned()
- .ok_or(Error::NoSuchUpload)?;
-
- let version = version.ok_or(Error::NoSuchKey)?;
- if version.blocks.is_empty() {
- return Err(Error::bad_request("No data was uploaded"));
- }
-
- let headers = match object_version.state {
- ObjectVersionState::Uploading(headers) => headers,
- _ => unreachable!(),
- };
-
- // Check that part numbers are an increasing sequence.
- // (it doesn't need to start at 1 nor to be a continuous sequence,
- // see discussion in #192)
- if body_list_of_parts.is_empty() {
- return Err(Error::EntityTooSmall);
- }
- if !body_list_of_parts
- .iter()
- .zip(body_list_of_parts.iter().skip(1))
- .all(|(p1, p2)| p1.part_number < p2.part_number)
- {
- return Err(Error::InvalidPartOrder);
- }
-
- // Garage-specific restriction, see #204: part numbers must be
- // consecutive starting at 1
- if body_list_of_parts[0].part_number != 1
- || !body_list_of_parts
- .iter()
- .zip(body_list_of_parts.iter().skip(1))
- .all(|(p1, p2)| p1.part_number + 1 == p2.part_number)
- {
- return Err(Error::NotImplemented("Garage does not support completing a Multipart upload with non-consecutive part numbers. This is a restriction of Garage's data model, which might be fixed in a future release. See issue #204 for more information on this topic.".into()));
- }
-
- // Check that the list of parts they gave us corresponds to the parts we have here
- debug!("Expected parts from request: {:?}", body_list_of_parts);
- debug!("Parts stored in version: {:?}", version.parts_etags.items());
- let parts = version
- .parts_etags
- .items()
- .iter()
- .map(|pair| (&pair.0, &pair.1));
- let same_parts = body_list_of_parts
- .iter()
- .map(|x| (&x.part_number, &x.etag))
- .eq(parts);
- if !same_parts {
- return Err(Error::InvalidPart);
- }
-
- // Check that all blocks belong to one of the parts
- let block_parts = version
- .blocks
- .items()
- .iter()
- .map(|(bk, _)| bk.part_number)
- .collect::<BTreeSet<_>>();
- let same_parts = body_list_of_parts
- .iter()
- .map(|x| x.part_number)
- .eq(block_parts.into_iter());
- if !same_parts {
- return Err(Error::bad_request(
- "Part numbers in block list and part list do not match. This can happen if a part was partially uploaded. Please abort the multipart upload and try again."
- ));
- }
-
- // Calculate etag of final object
- // To understand how etags are calculated, read more here:
- // https://teppen.io/2018/06/23/aws_s3_etags/
- let num_parts = body_list_of_parts.len();
- let mut etag_md5_hasher = Md5::new();
- for (_, etag) in version.parts_etags.items().iter() {
- etag_md5_hasher.update(etag.as_bytes());
- }
- let etag = format!("{}-{}", hex::encode(etag_md5_hasher.finalize()), num_parts);
-
- // Calculate total size of final object
- let total_size = version.blocks.items().iter().map(|x| x.1.size).sum();
-
- if let Err(e) = check_quotas(&garage, bucket, &key, total_size).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?;
-
- return Err(e);
- }
-
- // Write final object version
- object_version.state = ObjectVersionState::Complete(ObjectVersionData::FirstBlock(
- ObjectVersionMeta {
- headers,
- size: total_size,
- etag: etag.clone(),
- },
- version.blocks.items()[0].1.hash,
- ));
-
- let final_object = Object::new(bucket.id, key.clone(), vec![object_version]);
- garage.object_table.insert(&final_object).await?;
-
- // Send response saying ok we're done
- let result = s3_xml::CompleteMultipartUploadResult {
- xmlns: (),
- location: None,
- bucket: s3_xml::Value(bucket_name.to_string()),
- key: s3_xml::Value(key),
- etag: s3_xml::Value(format!("\"{}\"", etag)),
- };
- let xml = s3_xml::to_xml_with_header(&result)?;
-
- Ok(Response::new(Body::from(xml.into_bytes())))
-}
-
-pub async fn handle_abort_multipart_upload(
- garage: Arc<Garage>,
- bucket_id: Uuid,
- key: &str,
- upload_id: &str,
-) -> Result<Response<Body>, Error> {
- let version_uuid = decode_upload_id(upload_id)?;
-
- let object = garage
- .object_table
- .get(&bucket_id, &key.to_string())
- .await?;
- let object = object.ok_or(Error::NoSuchKey)?;
-
- let object_version = object
- .versions()
- .iter()
- .find(|v| v.uuid == version_uuid && v.is_uploading());
- let mut object_version = match object_version {
- None => return Err(Error::NoSuchUpload),
- Some(x) => x.clone(),
- };
-
- object_version.state = ObjectVersionState::Aborted;
- let final_object = Object::new(bucket_id, key.to_string(), vec![object_version]);
- garage.object_table.insert(&final_object).await?;
-
- Ok(Response::new(Body::from(vec![])))
-}
-
-fn get_mime_type(headers: &HeaderMap<HeaderValue>) -> Result<String, Error> {
+pub(crate) fn get_mime_type(headers: &HeaderMap<HeaderValue>) -> Result<String, Error> {
Ok(headers
.get(hyper::header::CONTENT_TYPE)
.map(|x| x.to_str())
@@ -821,54 +512,3 @@ pub(crate) fn get_headers(headers: &HeaderMap<HeaderValue>) -> Result<ObjectVers
other,
})
}
-
-pub fn decode_upload_id(id: &str) -> Result<Uuid, Error> {
- let id_bin = hex::decode(id).map_err(|_| Error::NoSuchUpload)?;
- if id_bin.len() != 32 {
- return Err(Error::NoSuchUpload);
- }
- let mut uuid = [0u8; 32];
- uuid.copy_from_slice(&id_bin[..]);
- Ok(Uuid::from(uuid))
-}
-
-#[derive(Debug)]
-struct CompleteMultipartUploadPart {
- etag: String,
- part_number: u64,
-}
-
-fn parse_complete_multipart_upload_body(
- xml: &roxmltree::Document,
-) -> Option<Vec<CompleteMultipartUploadPart>> {
- let mut parts = vec![];
-
- let root = xml.root();
- let cmu = root.first_child()?;
- if !cmu.has_tag_name("CompleteMultipartUpload") {
- return None;
- }
-
- for item in cmu.children() {
- // Only parse <Part> nodes
- if !item.is_element() {
- continue;
- }
-
- if item.has_tag_name("Part") {
- let etag = item.children().find(|e| e.has_tag_name("ETag"))?.text()?;
- let part_number = item
- .children()
- .find(|e| e.has_tag_name("PartNumber"))?
- .text()?;
- parts.push(CompleteMultipartUploadPart {
- etag: etag.trim_matches('"').to_string(),
- part_number: part_number.parse().ok()?,
- });
- } else {
- return None;
- }
- }
-
- Some(parts)
-}
diff --git a/src/model/s3/mpu_table.rs b/src/model/s3/mpu_table.rs
index dc5b5a82..7148be51 100644
--- a/src/model/s3/mpu_table.rs
+++ b/src/model/s3/mpu_table.rs
@@ -3,6 +3,7 @@ use std::sync::Arc;
use garage_db as db;
use garage_util::data::*;
+use garage_util::time::*;
use garage_table::crdt::*;
use garage_table::replication::TableShardedReplication;
@@ -94,6 +95,20 @@ impl MultipartUpload {
key,
}
}
+
+ pub fn next_timestamp(&self, part_number: u64) -> u64 {
+ std::cmp::max(
+ now_msec(),
+ 1 + self
+ .parts
+ .items()
+ .iter()
+ .filter(|(x, _)| x.part_number == part_number)
+ .map(|(x, _)| x.timestamp)
+ .max()
+ .unwrap_or(0),
+ )
+ }
}
impl Entry<Uuid, EmptyKey> for MultipartUpload {
diff --git a/src/model/s3/version_table.rs b/src/model/s3/version_table.rs
index 6cf1cc75..dcf4110a 100644
--- a/src/model/s3/version_table.rs
+++ b/src/model/s3/version_table.rs
@@ -3,6 +3,7 @@ use std::sync::Arc;
use garage_db as db;
use garage_util::data::*;
+use garage_util::error::*;
use garage_table::crdt::*;
use garage_table::replication::TableShardedReplication;
@@ -188,6 +189,16 @@ impl Version {
.binary_search_by(|(k, _)| k.part_number.cmp(&part_number))
.is_ok()
}
+
+ pub fn n_parts(&self) -> Result<u64, Error> {
+ Ok(self
+ .blocks
+ .items()
+ .last()
+ .ok_or_message("version has no parts")?
+ .0
+ .part_number)
+ }
}
impl Ord for VersionBlockKey {