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Implement ListMultipartUploads (#171)

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Implement ListMultipartUploads, also refactor ListObjects and ListObjectsV2.

It took me some times as I wanted to propose the following things:
  - Using an iterator instead of the loop+goto pattern. I find it easier to read and it should enable some optimizations. For example, when consuming keys of a common prefix, we do many [redundant checks](https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/main/src/api/s3_list.rs#L125-L156) while the only thing to do is to [check if the following key is still part of the common prefix](https://git.deuxfleurs.fr/Deuxfleurs/garage/src/branch/feature/s3-multipart-compat/src/api/s3_list.rs#L476).
  - Try to name things (see ExtractionResult and RangeBegin enums) and to separate concerns (see ListQuery and Accumulator)
  - An IO closure to make unit tests possibles.
  - Unit tests, to track regressions and document how to interact with the code
  - Integration tests with `s3api`. In the future, I would like to move them in Rust with the aws rust SDK.

Merging of the logic of ListMultipartUploads and ListObjects was not a goal but a consequence of the previous modifications.

Some points that we might want to discuss:
  - ListObjectsV1, when using pagination and delimiters, has a weird behavior (it lists multiple times the same prefix) with `aws s3api` due to the fact that it can not use our optimization to skip the whole prefix. It is independant from my refactor and can be tested with the commented `s3api` tests in `test-smoke.sh`. It probably has the same weird behavior on the official AWS S3 implementation.
  - Considering ListMultipartUploads, I had to "abuse" upload id marker to support prefix skipping. I send an `upload-id-marker` with the hardcoded value `include` to emulate your "including" token.
  - Some ways to test ListMultipartUploads with existing software (my tests are limited to s3api for now).

Co-authored-by: Quentin Dufour <quentin@deuxfleurs.fr>
Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/garage/pulls/171
Co-authored-by: Quentin <quentin@dufour.io>
Co-committed-by: Quentin <quentin@dufour.io>
This commit is contained in:
Quentin
2022-01-12 19:04:55 +01:00
committed by Alex
parent 9cb2e9e57c
commit b4592a00fe
17 changed files with 1285 additions and 283 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/api/api_server.rs
+43 -12
View File
@@ -1,3 +1,4 @@
use std::cmp::{max, min};
use std::net::SocketAddr;
use std::sync::Arc;
@@ -217,16 +218,18 @@ async fn handler_inner(garage: Arc<Garage>, req: Request<Body>) -> Result<Respon
handle_list(
garage,
&ListObjectsQuery {
common: ListQueryCommon {
bucket_name: bucket,
bucket_id,
delimiter: delimiter.map(|d| d.to_string()),
page_size: max_keys.map(|p| min(1000, max(1, p))).unwrap_or(1000),
prefix: prefix.unwrap_or_default(),
urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
},
is_v2: false,
bucket_name: bucket,
bucket_id,
delimiter: delimiter.map(|d| d.to_string()),
max_keys: max_keys.unwrap_or(1000),
prefix: prefix.unwrap_or_default(),
marker,
continuation_token: None,
start_after: None,
urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
},
)
.await
@@ -246,16 +249,18 @@ async fn handler_inner(garage: Arc<Garage>, req: Request<Body>) -> Result<Respon
handle_list(
garage,
&ListObjectsQuery {
common: ListQueryCommon {
bucket_name: bucket,
bucket_id,
delimiter: delimiter.map(|d| d.to_string()),
page_size: max_keys.map(|p| min(1000, max(1, p))).unwrap_or(1000),
urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
prefix: prefix.unwrap_or_default(),
},
is_v2: true,
bucket_name: bucket,
bucket_id,
delimiter: delimiter.map(|d| d.to_string()),
max_keys: max_keys.unwrap_or(1000),
prefix: prefix.unwrap_or_default(),
marker: None,
continuation_token,
start_after,
urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
},
)
.await
@@ -266,6 +271,32 @@ async fn handler_inner(garage: Arc<Garage>, req: Request<Body>) -> Result<Respon
)))
}
}
Endpoint::ListMultipartUploads {
bucket,
delimiter,
encoding_type,
key_marker,
max_uploads,
prefix,
upload_id_marker,
} => {
handle_list_multipart_upload(
garage,
&ListMultipartUploadsQuery {
common: ListQueryCommon {
bucket_name: bucket,
bucket_id,
delimiter: delimiter.map(|d| d.to_string()),
page_size: max_uploads.map(|p| min(1000, max(1, p))).unwrap_or(1000),
prefix: prefix.unwrap_or_default(),
urlencode_resp: encoding_type.map(|e| e == "url").unwrap_or(false),
},
key_marker,
upload_id_marker,
},
)
.await
}
Endpoint::DeleteObjects { .. } => {
handle_delete_objects(garage, bucket_id, req, content_sha256).await
}