Garage v0.9 #473
2 changed files with 66 additions and 15 deletions
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@ -96,18 +96,27 @@ pub async fn handle_put_part(
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let first_block = first_block.ok_or_bad_request("Empty body")?;
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// Calculate part identity: timestamp, version id
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let version_id = gen_uuid();
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let version_uuid = gen_uuid();
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let mpu_part_key = MpuPartKey {
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part_number,
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timestamp: mpu.next_timestamp(part_number),
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};
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// The following consists in many steps that can each fail.
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// Keep track that some cleanup will be needed if things fail
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// before everything is finished (cleanup is done using the Drop trait).
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let mut interrupted_cleanup = InterruptedCleanup(Some(InterruptedCleanupInner {
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garage: garage.clone(),
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upload_id,
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version_uuid,
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}));
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// Create version and link version from MPU
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mpu.parts.clear();
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mpu.parts.put(
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mpu_part_key,
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MpuPart {
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version: version_id,
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version: version_uuid,
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etag: None,
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size: None,
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},
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@ -115,7 +124,7 @@ pub async fn handle_put_part(
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garage.mpu_table.insert(&mpu).await?;
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let version = Version::new(
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version_id,
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version_uuid,
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VersionBacklink::MultipartUpload { upload_id },
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false,
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);
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@ -147,13 +156,17 @@ pub async fn handle_put_part(
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mpu.parts.put(
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mpu_part_key,
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MpuPart {
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version: version_id,
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version: version_uuid,
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etag: Some(data_md5sum_hex.clone()),
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size: Some(total_size),
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},
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);
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garage.mpu_table.insert(&mpu).await?;
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// We were not interrupted, everything went fine.
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// We won't have to clean up on drop.
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interrupted_cleanup.cancel();
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let response = Response::builder()
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.header("ETag", format!("\"{}\"", data_md5sum_hex))
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.body(Body::empty())
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@ -161,6 +174,37 @@ pub async fn handle_put_part(
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Ok(response)
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}
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struct InterruptedCleanup(Option<InterruptedCleanupInner>);
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struct InterruptedCleanupInner {
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garage: Arc<Garage>,
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upload_id: Uuid,
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version_uuid: Uuid,
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}
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impl InterruptedCleanup {
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fn cancel(&mut self) {
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drop(self.0.take());
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}
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}
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impl Drop for InterruptedCleanup {
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fn drop(&mut self) {
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if let Some(info) = self.0.take() {
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tokio::spawn(async move {
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let version = Version::new(
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info.version_uuid,
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VersionBacklink::MultipartUpload {
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upload_id: info.upload_id,
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},
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true,
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);
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if let Err(e) = info.garage.version_table.insert(&version).await {
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warn!("Cannot cleanup after aborted UploadPart: {}", e);
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}
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});
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}
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}
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}
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pub async fn handle_complete_multipart_upload(
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garage: Arc<Garage>,
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req: Request<Body>,
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@ -121,13 +121,13 @@ pub(crate) async fn save_stream<S: Stream<Item = Result<Bytes, Error>> + Unpin>(
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// The following consists in many steps that can each fail.
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// Keep track that some cleanup will be needed if things fail
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// before everything is finished (cleanup is done using the Drop trait).
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let mut interrupted_cleanup = InterruptedCleanup(Some((
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garage.clone(),
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bucket.id,
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key.into(),
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let mut interrupted_cleanup = InterruptedCleanup(Some(InterruptedCleanupInner {
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garage: garage.clone(),
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bucket_id: bucket.id,
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key: key.into(),
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version_uuid,
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version_timestamp,
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)));
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}));
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// Write version identifier in object table so that we have a trace
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// that we are uploading something
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@ -433,7 +433,14 @@ pub fn put_response(version_uuid: Uuid, md5sum_hex: String) -> Response<Body> {
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.unwrap()
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}
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struct InterruptedCleanup(Option<(Arc<Garage>, Uuid, String, Uuid, u64)>);
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struct InterruptedCleanup(Option<InterruptedCleanupInner>);
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struct InterruptedCleanupInner {
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garage: Arc<Garage>,
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bucket_id: Uuid,
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key: String,
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version_uuid: Uuid,
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version_timestamp: u64,
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}
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impl InterruptedCleanup {
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fn cancel(&mut self) {
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@ -442,15 +449,15 @@ impl InterruptedCleanup {
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}
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impl Drop for InterruptedCleanup {
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fn drop(&mut self) {
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if let Some((garage, bucket_id, key, version_uuid, version_ts)) = self.0.take() {
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if let Some(info) = self.0.take() {
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tokio::spawn(async move {
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let object_version = ObjectVersion {
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uuid: version_uuid,
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timestamp: version_ts,
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uuid: info.version_uuid,
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timestamp: info.version_timestamp,
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state: ObjectVersionState::Aborted,
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};
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let object = Object::new(bucket_id, key, vec![object_version]);
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if let Err(e) = garage.object_table.insert(&object).await {
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let object = Object::new(info.bucket_id, info.key, vec![object_version]);
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if let Err(e) = info.garage.object_table.insert(&object).await {
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warn!("Cannot cleanup after aborted PutObject: {}", e);
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}
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});
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