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From: Dominik Csapak <d.csapak@proxmox.com>
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Date: Tue, 20 Jul 2021 11:56:38 +0200
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information. [backup.rs]
Subject: [pbs-devel] [RFC PATCH promxox-backup 2/2] api2: tape/backup:
commit pool_writer even on error
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this way we store all finished snapshots/chunk archives we in the
catalog, and not onlye those until the last commit
Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
src/api2/tape/backup.rs | 115 +++++++++++++++++++++-------------------
1 file changed, 60 insertions(+), 55 deletions(-)
diff --git a/src/api2/tape/backup.rs b/src/api2/tape/backup.rs
index 8119482f..82cdd428 100644
--- a/src/api2/tape/backup.rs
+++ b/src/api2/tape/backup.rs
@@ -456,72 +456,77 @@ fn backup_worker(
let mut need_catalog = false; // avoid writing catalog for empty jobs
- for (group_number, group) in group_list.into_iter().enumerate() {
- progress.done_groups = group_number as u64;
- progress.done_snapshots = 0;
- progress.group_snapshots = 0;
-
- let snapshot_list = group.list_backups(&datastore.base_path())?;
-
- // filter out unfinished backups
- let mut snapshot_list = snapshot_list
- .into_iter()
- .filter(|item| item.is_finished())
- .collect();
-
- BackupInfo::sort_list(&mut snapshot_list, true); // oldest first
-
- if latest_only {
- progress.group_snapshots = 1;
- if let Some(info) = snapshot_list.pop() {
- if pool_writer.contains_snapshot(datastore_name, &info.backup_dir.to_string()) {
- task_log!(worker, "skip snapshot {}", info.backup_dir);
- continue;
- }
+ let res: Result<(), Error> = proxmox::try_block!({
+ for (group_number, group) in group_list.into_iter().enumerate() {
+ progress.done_groups = group_number as u64;
+ progress.done_snapshots = 0;
+ progress.group_snapshots = 0;
+
+ let snapshot_list = group.list_backups(&datastore.base_path())?;
+
+ // filter out unfinished backups
+ let mut snapshot_list = snapshot_list
+ .into_iter()
+ .filter(|item| item.is_finished())
+ .collect();
+
+ BackupInfo::sort_list(&mut snapshot_list, true); // oldest first
+
+ if latest_only {
+ progress.group_snapshots = 1;
+ if let Some(info) = snapshot_list.pop() {
+ if pool_writer.contains_snapshot(datastore_name, &info.backup_dir.to_string()) {
+ task_log!(worker, "skip snapshot {}", info.backup_dir);
+ continue;
+ }
- need_catalog = true;
+ need_catalog = true;
- let snapshot_name = info.backup_dir.to_string();
- if !backup_snapshot(worker, &mut pool_writer, datastore.clone(), info.backup_dir)? {
- errors = true;
- } else {
- summary.snapshot_list.push(snapshot_name);
- }
- progress.done_snapshots = 1;
- task_log!(
- worker,
- "percentage done: {}",
- progress
- );
- }
- } else {
- progress.group_snapshots = snapshot_list.len() as u64;
- for (snapshot_number, info) in snapshot_list.into_iter().enumerate() {
- if pool_writer.contains_snapshot(datastore_name, &info.backup_dir.to_string()) {
- task_log!(worker, "skip snapshot {}", info.backup_dir);
- continue;
+ let snapshot_name = info.backup_dir.to_string();
+ if !backup_snapshot(worker, &mut pool_writer, datastore.clone(), info.backup_dir)? {
+ errors = true;
+ } else {
+ summary.snapshot_list.push(snapshot_name);
+ }
+ progress.done_snapshots = 1;
+ task_log!(
+ worker,
+ "percentage done: {}",
+ progress
+ );
}
+ } else {
+ progress.group_snapshots = snapshot_list.len() as u64;
+ for (snapshot_number, info) in snapshot_list.into_iter().enumerate() {
+ if pool_writer.contains_snapshot(datastore_name, &info.backup_dir.to_string()) {
+ task_log!(worker, "skip snapshot {}", info.backup_dir);
+ continue;
+ }
- need_catalog = true;
+ need_catalog = true;
- let snapshot_name = info.backup_dir.to_string();
- if !backup_snapshot(worker, &mut pool_writer, datastore.clone(), info.backup_dir)? {
- errors = true;
- } else {
- summary.snapshot_list.push(snapshot_name);
+ let snapshot_name = info.backup_dir.to_string();
+ if !backup_snapshot(worker, &mut pool_writer, datastore.clone(), info.backup_dir)? {
+ errors = true;
+ } else {
+ summary.snapshot_list.push(snapshot_name);
+ }
+ progress.done_snapshots = snapshot_number as u64 + 1;
+ task_log!(
+ worker,
+ "percentage done: {}",
+ progress
+ );
}
- progress.done_snapshots = snapshot_number as u64 + 1;
- task_log!(
- worker,
- "percentage done: {}",
- progress
- );
}
}
- }
+ Ok(())
+ });
pool_writer.commit()?;
+ let _ = res?; // bubble errors up
+
if need_catalog {
task_log!(worker, "append media catalog");
--
2.30.2