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api: tape restore: avoid throwing away ns mapping, use target_store instead

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avoid assembling a hash mapping of namespaces only to not use it,
i.e., throw it away then anyway

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2022-06-05 16:59:55 +02:00
parent f31e32a006
commit 5a2e6ccf77
1 changed files with 23 additions and 28 deletions
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51
src/api2/tape/restore.rs
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@ -698,9 +698,9 @@ fn restore_list_worker(
.collect()
};
for (store, snapshot, _ns, _) in snapshots.iter() {
let datastore = match store_map.get_targets(store, &ns) {
Some(store, _) => store,
_ => bail!("unexpected error"), // we already checked those
let datastore = match store_map.target_store(store) {
Some(store) => store,
None => bail!("unexpected error"), // we already checked those
};
let (media_id, file_num) =
if let Some((media_uuid, file_num)) = catalog.lookup_snapshot(store, &snapshot) {
@ -773,11 +773,9 @@ fn restore_list_worker(
BTreeMap::new();
for (source_datastore, chunks) in datastore_chunk_map.into_iter() {
let (datastore, _) = store_map
.get_targets(&source_datastore, &Default::default())
.ok_or_else(|| {
format_err!("could not find mapping for source datastore: {source_datastore}")
})?;
let datastore = store_map.target_store(&source_datastore).ok_or_else(|| {
format_err!("could not find mapping for source datastore: {source_datastore}")
})?;
for digest in chunks.into_iter() {
// we only want to restore chunks that we do not have yet
if !datastore.cond_touch_chunk(&digest, false)? {
@ -1051,17 +1049,16 @@ fn restore_snapshots_to_tmpdir(
let mut decoder = pxar::decoder::sync::Decoder::from_std(reader)?;
let target_datastore =
match store_map.get_targets(&source_datastore, &Default::default()) {
Some((datastore, _)) => datastore,
None => {
task_warn!(
worker,
"could not find target datastore for {source_datastore}:{snapshot}",
);
continue;
}
};
let target_datastore = match store_map.target_store(&source_datastore) {
Some(datastore) => datastore,
None => {
task_warn!(
worker,
"could not find target datastore for {source_datastore}:{snapshot}",
);
continue;
}
};
let tmp_path = snapshot_tmpdir(
&source_datastore,
@ -1137,11 +1134,9 @@ fn restore_file_chunk_map(
"File {nr}: chunk archive for datastore '{source_datastore}'",
);
let (datastore, _) = store_map
.get_targets(&source_datastore, &Default::default())
.ok_or_else(|| {
format_err!("unexpected chunk archive for store: {source_datastore}")
})?;
let datastore = store_map.target_store(&source_datastore).ok_or_else(|| {
format_err!("unexpected chunk archive for store: {source_datastore}")
})?;
let count = restore_partial_chunk_archive(
worker.clone(),
@ -1381,7 +1376,7 @@ fn restore_archive<'a>(
let (backup_ns, backup_dir) = parse_ns_and_snapshot(&snapshot)?;
if let Some((store_map, restore_owner)) = target.as_ref() {
if let Some((datastore, _)) = store_map.get_targets(&datastore_name, &backup_ns) {
if let Some(datastore) = store_map.target_store(&datastore_name) {
check_and_create_namespaces(
&user_info,
&datastore,
@ -1470,20 +1465,20 @@ fn restore_archive<'a>(
);
let datastore = target
.as_ref()
.and_then(|t| t.0.get_targets(&source_datastore, &Default::default()));
.and_then(|t| t.0.target_store(&source_datastore));
if datastore.is_some() || target.is_none() {
let checked_chunks = checked_chunks_map
.entry(
datastore
.as_ref()
.map(|(d, _)| d.name())
.map(|d| d.name())
.unwrap_or("_unused_")
.to_string(),
)
.or_insert(HashSet::new());
let chunks = if let Some((datastore, _)) = datastore {
let chunks = if let Some(datastore) = datastore {
restore_chunk_archive(
worker.clone(),
reader,