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Work on API

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This commit is contained in:
Alex Auvolat
2020-04-28 10:18:14 +00:00
parent be35cbdce2
commit 0957d0fdfa
11 changed files with 364 additions and 120 deletions
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src/api/s3_put.rs
+69 -68
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@@ -5,9 +5,9 @@ use std::sync::Arc;
use futures::stream::*;
use hyper::{Body, Request, Response};
use garage_table::*;
use garage_util::data::*;
use garage_util::error::Error;
use garage_table::*;
use garage_core::block::INLINE_THRESHOLD;
use garage_core::block_ref_table::*;
@@ -15,6 +15,7 @@ use garage_core::garage::Garage;
use garage_core::object_table::*;
use garage_core::version_table::*;
use crate::encoding::*;
use crate::http_util::*;
pub async fn handle_put(
@@ -30,7 +31,7 @@ pub async fn handle_put(
let mut chunker = BodyChunker::new(body, garage.config.block_size);
let first_block = match chunker.next().await? {
Some(x) => x,
None => return Err(Error::BadRequest(format!("Empty body"))),
None => vec![],
};
let mut object_version = ObjectVersion {
@@ -58,7 +59,15 @@ pub async fn handle_put(
let object = Object::new(bucket.into(), key.into(), vec![object_version.clone()]);
garage.object_table.insert(&object).await?;
let total_size = read_and_put_blocks(&garage, version, 1, first_block, first_block_hash, &mut chunker).await?;
let total_size = read_and_put_blocks(
&garage,
version,
1,
first_block,
first_block_hash,
&mut chunker,
)
.await?;
// TODO: if at any step we have an error, we should undo everything we did
@@ -80,8 +89,14 @@ async fn read_and_put_blocks(
chunker: &mut BodyChunker,
) -> Result<u64, Error> {
let mut next_offset = first_block.len();
let mut put_curr_version_block =
put_block_meta(garage.clone(), &version, part_number, 0, first_block_hash, first_block.len() as u64);
let mut put_curr_version_block = put_block_meta(
garage.clone(),
&version,
part_number,
0,
first_block_hash,
first_block.len() as u64,
);
let mut put_curr_block = garage
.block_manager
.rpc_put_block(first_block_hash, first_block);
@@ -92,8 +107,14 @@ async fn read_and_put_blocks(
if let Some(block) = next_block {
let block_hash = hash(&block[..]);
let block_len = block.len();
put_curr_version_block =
put_block_meta(garage.clone(), &version, part_number, next_offset as u64, block_hash, block_len as u64);
put_curr_version_block = put_block_meta(
garage.clone(),
&version,
part_number,
next_offset as u64,
block_hash,
block_len as u64,
);
put_curr_block = garage.block_manager.rpc_put_block(block_hash, block);
next_offset += block_len;
} else {
@@ -232,8 +253,9 @@ pub async fn handle_put_part(
.parse::<u64>()
.map_err(|e| Error::BadRequest(format!("Invalid part number: {}", e)))?;
let version_uuid = uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?;
let version_uuid =
uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?;
// Read first chuck, and at the same time try to get object to see if it exists
let mut chunker = BodyChunker::new(req.into_body(), garage.config.block_size);
@@ -265,7 +287,15 @@ pub async fn handle_put_part(
// Copy block to store
let version = Version::new(version_uuid, bucket.into(), key.into(), false, vec![]);
let first_block_hash = hash(&first_block[..]);
read_and_put_blocks(&garage, version, part_number, first_block, first_block_hash, &mut chunker).await?;
read_and_put_blocks(
&garage,
version,
part_number,
first_block,
first_block_hash,
&mut chunker,
)
.await?;
Ok(Response::new(Box::new(BytesBody::from(vec![]))))
}
@@ -277,7 +307,8 @@ pub async fn handle_complete_multipart_upload(
key: &str,
upload_id: &str,
) -> Result<Response<BodyType>, Error> {
let version_uuid = uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?;
let version_uuid =
uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?;
let bucket = bucket.to_string();
let key = key.to_string();
@@ -295,9 +326,11 @@ pub async fn handle_complete_multipart_upload(
&& v.data == ObjectVersionData::Uploading
});
let mut object_version = match object_version {
None => return Err(Error::BadRequest(format!(
"Multipart upload does not exist or has already been completed"
))),
None => {
return Err(Error::BadRequest(format!(
"Multipart upload does not exist or has already been completed"
)))
}
Some(x) => x.clone(),
};
let version = match version {
@@ -311,7 +344,11 @@ pub async fn handle_complete_multipart_upload(
// TODO: check that all the parts that they pretend they gave us are indeed there
// TODO: check MD5 sum of all uploaded parts? but that would mean we have to store them somewhere...
let total_size = version.blocks().iter().map(|x| x.size).fold(0, |x, y| x+y);
let total_size = version
.blocks()
.iter()
.map(|x| x.size)
.fold(0, |x, y| x + y);
object_version.size = total_size;
object_version.state = ObjectVersionState::Complete;
object_version.data = ObjectVersionData::FirstBlock(version.blocks()[0].hash);
@@ -325,7 +362,12 @@ pub async fn handle_complete_multipart_upload(
r#"<CompleteMultipartUploadResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">"#
)
.unwrap();
writeln!(&mut xml, "\t<Location>{}</Location>", garage.config.s3_api.s3_region).unwrap();
writeln!(
&mut xml,
"\t<Location>{}</Location>",
garage.config.s3_api.s3_region
)
.unwrap();
writeln!(&mut xml, "\t<Bucket>{}</Bucket>", bucket).unwrap();
writeln!(&mut xml, "\t<Key>{}</Key>", xml_escape(&key)).unwrap();
writeln!(&mut xml, "</CompleteMultipartUploadResult>").unwrap();
@@ -339,9 +381,13 @@ pub async fn handle_abort_multipart_upload(
key: &str,
upload_id: &str,
) -> Result<Response<BodyType>, Error> {
let version_uuid = uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?;
let version_uuid =
uuid_from_str(upload_id).map_err(|_| Error::BadRequest(format!("Invalid upload ID")))?;
let object = garage.object_table.get(&bucket.to_string(), &key.to_string()).await?;
let object = garage
.object_table
.get(&bucket.to_string(), &key.to_string())
.await?;
let object = match object {
None => return Err(Error::BadRequest(format!("Object not found"))),
Some(x) => x,
@@ -352,9 +398,11 @@ pub async fn handle_abort_multipart_upload(
&& v.data == ObjectVersionData::Uploading
});
let mut object_version = match object_version {
None => return Err(Error::BadRequest(format!(
"Multipart upload does not exist or has already been completed"
))),
None => {
return Err(Error::BadRequest(format!(
"Multipart upload does not exist or has already been completed"
)))
}
Some(x) => x.clone(),
};
@@ -383,50 +431,3 @@ fn uuid_from_str(id: &str) -> Result<UUID, ()> {
uuid.copy_from_slice(&id_bin[..]);
Ok(UUID::from(uuid))
}
pub async fn handle_delete(garage: Arc<Garage>, bucket: &str, key: &str) -> Result<UUID, Error> {
let object = match garage
.object_table
.get(&bucket.to_string(), &key.to_string())
.await?
{
None => {
// No need to delete
return Ok([0u8; 32].into());
}
Some(o) => o,
};
let interesting_versions = object.versions().iter().filter(|v| {
v.data != ObjectVersionData::DeleteMarker && v.state != ObjectVersionState::Aborted
});
let mut must_delete = false;
let mut timestamp = now_msec();
for v in interesting_versions {
must_delete = true;
timestamp = std::cmp::max(timestamp, v.timestamp + 1);
}
if !must_delete {
return Ok([0u8; 32].into());
}
let version_uuid = gen_uuid();
let object = Object::new(
bucket.into(),
key.into(),
vec![ObjectVersion {
uuid: version_uuid,
timestamp: now_msec(),
mime_type: "application/x-delete-marker".into(),
size: 0,
state: ObjectVersionState::Complete,
data: ObjectVersionData::DeleteMarker,
}],
);
garage.object_table.insert(&object).await?;
return Ok(version_uuid);
}