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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Thu, 29 May 2025 16:31:48 +0200
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Subject: [pbs-devel] [RFC v2 proxmox-backup 23/42] sync: pull: conditionally
upload content to S3 backend
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If the datastore is backed by an S3 object store, not only insert the
pulled contents to the local cache store, but also upload it to the
S3 backend.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
src/server/pull.rs | 58 ++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 56 insertions(+), 2 deletions(-)
diff --git a/src/server/pull.rs b/src/server/pull.rs
index b1724c142..f36efd7c8 100644
--- a/src/server/pull.rs
+++ b/src/server/pull.rs
@@ -8,6 +8,7 @@ use std::time::SystemTime;
use anyhow::{bail, format_err, Error};
use proxmox_human_byte::HumanByte;
+use tokio::io::AsyncReadExt;
use tracing::info;
use pbs_api_types::{
@@ -24,7 +25,7 @@ use pbs_datastore::fixed_index::FixedIndexReader;
use pbs_datastore::index::IndexFile;
use pbs_datastore::manifest::{BackupManifest, FileInfo};
use pbs_datastore::read_chunk::AsyncReadChunk;
-use pbs_datastore::{check_backup_owner, DataStore, StoreProgress};
+use pbs_datastore::{check_backup_owner, DataStore, DatastoreBackend, StoreProgress};
use pbs_tools::sha::sha256;
use super::sync::{
@@ -167,7 +168,18 @@ async fn pull_index_chunks<I: IndexFile>(
move |(chunk, digest, size): (DataBlob, [u8; 32], u64)| {
// println!("verify and write {}", hex::encode(&digest));
chunk.verify_unencrypted(size as usize, &digest)?;
- target2.insert_chunk(&chunk, &digest)?;
+ match target2.backend()? {
+ DatastoreBackend::Filesystem => {
+ target2.insert_chunk(&chunk, &digest)?;
+ }
+ DatastoreBackend::S3(s3_client) => {
+ let data = chunk.raw_data().to_vec();
+ let upload_body = hyper::Body::from(data);
+ proxmox_async::runtime::block_on(
+ s3_client.put_object(digest.into(), upload_body),
+ )?;
+ }
+ }
Ok(())
},
);
@@ -331,6 +343,20 @@ async fn pull_single_archive<'a>(
if let Err(err) = std::fs::rename(&tmp_path, &path) {
bail!("Atomic rename file {:?} failed - {}", path, err);
}
+ if let DatastoreBackend::S3(s3_client) = snapshot.datastore().backend()? {
+ let archive_path = snapshot.relative_path().join(archive_name);
+ let object_key = archive_path
+ .as_os_str()
+ .to_str()
+ .ok_or_else(|| format_err!("invalid archive path"))?;
+
+ let archive = tokio::fs::File::open(&path).await?;
+ let mut reader = tokio::io::BufReader::new(archive);
+ let mut contents = Vec::new();
+ reader.read_to_end(&mut contents).await?;
+ let data = hyper::body::Body::from(contents);
+ s3_client.put_object(object_key.into(), data).await?;
+ }
Ok(sync_stats)
}
@@ -401,6 +427,7 @@ async fn pull_snapshot<'a>(
}
}
+ let manifest_data = tmp_manifest_blob.raw_data().to_vec();
let manifest = BackupManifest::try_from(tmp_manifest_blob)?;
if ignore_not_verified_or_encrypted(
@@ -467,9 +494,36 @@ async fn pull_snapshot<'a>(
if let Err(err) = std::fs::rename(&tmp_manifest_name, &manifest_name) {
bail!("Atomic rename file {:?} failed - {}", manifest_name, err);
}
+ if let DatastoreBackend::S3(s3_client) = snapshot.datastore().backend()? {
+ let object_path = snapshot.relative_path().join(MANIFEST_BLOB_NAME.as_ref());
+ let object_key = object_path
+ .as_os_str()
+ .to_str()
+ .ok_or_else(|| format_err!("invalid archive path"))?;
+
+ let data = hyper::body::Body::from(manifest_data);
+ s3_client.put_object(object_key.into(), data).await?;
+ }
if !client_log_name.exists() {
reader.try_download_client_log(&client_log_name).await?;
+ if client_log_name.exists() {
+ if let DatastoreBackend::S3(s3_client) = snapshot.datastore().backend()? {
+ let object_path = snapshot.relative_path().join(CLIENT_LOG_BLOB_NAME.as_ref());
+ let object_key = object_path
+ .as_os_str()
+ .to_str()
+ .ok_or_else(|| format_err!("invalid archive path"))?;
+
+ let log_file = tokio::fs::File::open(&client_log_name).await?;
+ let mut reader = tokio::io::BufReader::new(log_file);
+ let mut contents = Vec::new();
+ reader.read_to_end(&mut contents).await?;
+
+ let data = hyper::body::Body::from(contents);
+ s3_client.put_object(object_key.into(), data).await?;
+ }
+ }
};
snapshot
.cleanup_unreferenced_files(&manifest)
--
2.39.5
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