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s3: add xml structures to serialize/deserialize lifecycle configs

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This commit is contained in:
Alex Auvolat 2023-08-29 17:44:17 +02:00
parent 0b83e0558e
commit 8041d9a827
3 changed files with 263 additions and 0 deletions
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6
src/api/s3/api_server.rs
View file

@ -26,6 +26,7 @@ use crate::s3::copy::*;
use crate::s3::cors::*;
use crate::s3::delete::*;
use crate::s3::get::*;
use crate::s3::lifecycle::*;
use crate::s3::list::*;
use crate::s3::multipart::*;
use crate::s3::post_object::handle_post_object;
@ -362,6 +363,11 @@ impl ApiHandler for S3ApiServer {
handle_put_cors(garage, bucket_id, req, content_sha256).await
}
Endpoint::DeleteBucketCors {} => handle_delete_cors(garage, bucket_id).await,
Endpoint::GetBucketLifecycleConfiguration {} => handle_get_lifecycle(&bucket).await,
Endpoint::PutBucketLifecycleConfiguration {} => {
handle_put_lifecycle(garage, bucket_id, req, content_sha256).await
}
Endpoint::DeleteBucketLifecycle {} => handle_delete_lifecycle(garage, bucket_id).await,
endpoint => Err(Error::NotImplemented(endpoint.name().to_owned())),
};

256
src/api/s3/lifecycle.rs Normal file
View file

@ -0,0 +1,256 @@
use quick_xml::de::from_reader;
use std::sync::Arc;
use hyper::{Body, Request, Response, StatusCode};
use serde::{Deserialize, Serialize};
use crate::s3::error::*;
use crate::s3::xml::{to_xml_with_header, xmlns_tag, IntValue, Value};
use crate::signature::verify_signed_content;
use garage_model::bucket_table::{
Bucket, LifecycleExpiration as GarageLifecycleExpiration,
LifecycleFilter as GarageLifecycleFilter, LifecycleRule as GarageLifecycleRule,
};
use garage_model::garage::Garage;
use garage_util::data::*;
pub async fn handle_get_lifecycle(bucket: &Bucket) -> Result<Response<Body>, Error> {
let param = bucket
.params()
.ok_or_internal_error("Bucket should not be deleted at this point")?;
if let Some(lifecycle) = param.lifecycle_config.get() {
let wc = LifecycleConfiguration {
xmlns: (),
lifecycle_rules: lifecycle
.iter()
.map(LifecycleRule::from_garage_lifecycle_rule)
.collect::<Vec<_>>(),
};
let xml = to_xml_with_header(&wc)?;
Ok(Response::builder()
.status(StatusCode::OK)
.header(http::header::CONTENT_TYPE, "application/xml")
.body(Body::from(xml))?)
} else {
Ok(Response::builder()
.status(StatusCode::NO_CONTENT)
.body(Body::empty())?)
}
}
pub async fn handle_delete_lifecycle(
garage: Arc<Garage>,
bucket_id: Uuid,
) -> Result<Response<Body>, Error> {
let mut bucket = garage
.bucket_helper()
.get_existing_bucket(bucket_id)
.await?;
let param = bucket.params_mut().unwrap();
param.lifecycle_config.update(None);
garage.bucket_table.insert(&bucket).await?;
Ok(Response::builder()
.status(StatusCode::NO_CONTENT)
.body(Body::empty())?)
}
pub async fn handle_put_lifecycle(
garage: Arc<Garage>,
bucket_id: Uuid,
req: Request<Body>,
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 mut bucket = garage
.bucket_helper()
.get_existing_bucket(bucket_id)
.await?;
let param = bucket.params_mut().unwrap();
let conf: LifecycleConfiguration = from_reader(&body as &[u8])?;
param
.lifecycle_config
.update(Some(conf.validate_into_garage_lifecycle_config()?));
garage.bucket_table.insert(&bucket).await?;
Ok(Response::builder()
.status(StatusCode::OK)
.body(Body::empty())?)
}
// ---- SERIALIZATION AND DESERIALIZATION TO/FROM S3 XML ----
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
#[serde(rename = "LifecycleConfiguration")]
pub struct LifecycleConfiguration {
#[serde(serialize_with = "xmlns_tag", skip_deserializing)]
pub xmlns: (),
#[serde(rename = "Rule")]
pub lifecycle_rules: Vec<LifecycleRule>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct LifecycleRule {
#[serde(rename = "ID")]
pub id: Option<Value>,
#[serde(rename = "Status")]
pub status: Value,
#[serde(rename = "Filter", default)]
pub filter: Filter,
#[serde(rename = "Expiration", default)]
pub expiration: Option<Expiration>,
#[serde(rename = "AbortIncompleteMultipartUpload", default)]
pub abort_incomplete_mpu: Option<AbortIncompleteMpu>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord, Default)]
pub struct Filter {
#[serde(rename = "And")]
pub and: Option<Box<Filter>>,
#[serde(rename = "Prefix")]
pub prefix: Option<Value>,
#[serde(rename = "ObjectSizeGreaterThan")]
pub size_gt: Option<IntValue>,
#[serde(rename = "ObjectSizeLessThan")]
pub size_lt: Option<IntValue>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct Expiration {
#[serde(rename = "Days")]
pub days: Option<IntValue>,
#[serde(rename = "Date")]
pub at_date: Option<Value>,
}
#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
pub struct AbortIncompleteMpu {
#[serde(rename = "DaysAfterInitiation")]
pub days: Option<IntValue>,
}
impl LifecycleConfiguration {
pub fn validate_into_garage_lifecycle_config(self) -> Result<Vec<GarageLifecycleRule>, Error> {
let mut ret = vec![];
for rule in self.lifecycle_rules {
ret.push(rule.validate_into_garage_lifecycle_rule()?);
}
Ok(ret)
}
pub fn from_garage_lifecycle_config(config: &[GarageLifecycleRule]) -> Self {
Self {
xmlns: (),
lifecycle_rules: config
.iter()
.map(LifecycleRule::from_garage_lifecycle_rule)
.collect(),
}
}
}
impl LifecycleRule {
pub fn validate_into_garage_lifecycle_rule(self) -> Result<GarageLifecycleRule, Error> {
todo!()
}
pub fn from_garage_lifecycle_rule(rule: &GarageLifecycleRule) -> Self {
todo!()
}
}
#[cfg(test)]
mod tests {
use super::*;
use quick_xml::de::from_str;
#[test]
fn test_deserialize_lifecycle_config() -> Result<(), Error> {
let message = r#"<?xml version="1.0" encoding="UTF-8"?>
<LifecycleConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<Rule>
<ID>id1</ID>
<Status>Enabled</Status>
<Filter>
<Prefix>documents/</Prefix>
</Filter>
<AbortIncompleteMultipartUpload>
<DaysAfterInitiation>7</DaysAfterInitiation>
</AbortIncompleteMultipartUpload>
</Rule>
<Rule>
<ID>id2</ID>
<Status>Enabled</Status>
<Filter>
<And>
<Prefix>logs/</Prefix>
<ObjectSizeGreaterThan>1000000</ObjectSizeGreaterThan>
</And>
</Filter>
<Expiration>
<Days>365</Days>
</Expiration>
</Rule>
</LifecycleConfiguration>"#;
let conf: LifecycleConfiguration = from_str(message).unwrap();
let ref_value = LifecycleConfiguration {
xmlns: (),
lifecycle_rules: vec![
LifecycleRule {
id: Some("id1".into()),
status: "Enabled".into(),
filter: Filter {
prefix: Some("documents/".into()),
..Default::default()
},
expiration: None,
abort_incomplete_mpu: Some(AbortIncompleteMpu {
days: Some(IntValue(7)),
}),
},
LifecycleRule {
id: Some("id2".into()),
status: "Enabled".into(),
filter: Filter {
and: Some(Box::new(Filter {
prefix: Some("logs/".into()),
size_gt: Some(IntValue(1000000)),
..Default::default()
})),
..Default::default()
},
expiration: Some(Expiration {
days: Some(IntValue(365)),
at_date: None,
}),
abort_incomplete_mpu: None,
},
],
};
assert_eq! {
ref_value,
conf
};
let message2 = to_xml_with_header(&ref_value)?;
let cleanup = |c: &str| c.replace(char::is_whitespace, "");
assert_eq!(cleanup(message), cleanup(&message2));
Ok(())
}
}

1
src/api/s3/mod.rs
View file

@ -6,6 +6,7 @@ mod copy;
pub mod cors;
mod delete;
pub mod get;
mod lifecycle;
mod list;
mod multipart;
mod post_object;