[pbs-devel] [PATCH proxmox-backup] datastore: s3: use owner from local store cache instead of refetching

[Christian Ebner <c.ebner@proxmox.com>]

Currently the owner file is fetched from the s3 backend for each
backup group. This will however significantly increase the time
needed for listing backup contents and cause additional requests
which can be avoided. Simply use the local owner file instead.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
This was reported in an enterprise support ticket.

 pbs-datastore/src/datastore.rs | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/pbs-datastore/src/datastore.rs b/pbs-datastore/src/datastore.rs
index 36550ff63..9d36307ef 100644
--- a/pbs-datastore/src/datastore.rs
+++ b/pbs-datastore/src/datastore.rs
@@ -967,21 +967,6 @@ impl DataStore {
         backup_group: &pbs_api_types::BackupGroup,
     ) -> Result<Authid, Error> {
         let full_path = self.owner_path(ns, backup_group);
-
-        if let DatastoreBackend::S3(s3_client) = self.backend()? {
-            let mut path = ns.path();
-            path.push(backup_group.to_string());
-            let object_key = crate::s3::object_key_from_path(&path, GROUP_OWNER_FILE_NAME)
-                .context("invalid owner file object key")?;
-            let response = proxmox_async::runtime::block_on(s3_client.get_object(object_key))?
-                .ok_or_else(|| format_err!("fetching owner failed"))?;
-            let content = proxmox_async::runtime::block_on(response.content.collect())?;
-            let owner = String::from_utf8(content.to_bytes().trim_ascii_end().to_vec())?;
-            return owner
-                .parse()
-                .map_err(|err| format_err!("parsing owner for {backup_group} failed: {err}"));
-        }
-
         let owner = proxmox_sys::fs::file_read_firstline(full_path)?;
         owner
             .trim_end() // remove trailing newline
-- 
2.47.3



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