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From: Christian Ebner <c.ebner@proxmox.com>
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Subject: [pbs-devel] [RFC proxmox-backup 21/36] catalog: shell: factor out
pxar fuse reader instantiation
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In preparation to allow restoring split metadata and payload stream
pxar archives via the catalog shell.
Make the pxar fuse reader instantiation reusable.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
proxmox-backup-client/src/catalog.rs | 45 ++++++++++++++++++++--------
1 file changed, 32 insertions(+), 13 deletions(-)
diff --git a/proxmox-backup-client/src/catalog.rs b/proxmox-backup-client/src/catalog.rs
index 72b22e67..d6859be3 100644
--- a/proxmox-backup-client/src/catalog.rs
+++ b/proxmox-backup-client/src/catalog.rs
@@ -11,6 +11,7 @@ use proxmox_schema::api;
use pbs_api_types::BackupNamespace;
use pbs_client::tools::key_source::get_encryption_key_password;
use pbs_client::{BackupReader, RemoteChunkReader};
+use pbs_datastore::BackupManifest;
use pbs_tools::crypt_config::CryptConfig;
use pbs_tools::json::required_string_param;
@@ -124,6 +125,32 @@ async fn dump_catalog(param: Value) -> Result<Value, Error> {
Ok(Value::Null)
}
+async fn get_pxar_fuse_reader(
+ server_archive_name: &str,
+ client: Arc<BackupReader>,
+ manifest: &BackupManifest,
+ crypt_config: Option<Arc<CryptConfig>>,
+) -> Result<(pbs_pxar_fuse::Reader, u64), Error> {
+ let index = client
+ .download_dynamic_index(&manifest, &server_archive_name)
+ .await?;
+
+ let most_used = index.find_most_used_chunks(8);
+ let file_info = manifest.lookup_file_info(&server_archive_name)?;
+ let chunk_reader = RemoteChunkReader::new(
+ client.clone(),
+ crypt_config.clone(),
+ file_info.chunk_crypt_mode(),
+ most_used,
+ );
+
+ let reader = BufferedDynamicReader::new(index, chunk_reader);
+ let archive_size = reader.archive_size();
+ let reader: pbs_pxar_fuse::Reader = Arc::new(BufferedDynamicReadAt::new(reader));
+
+ Ok((reader, archive_size))
+}
+
#[api(
input: {
properties: {
@@ -205,21 +232,13 @@ async fn catalog_shell(param: Value) -> Result<(), Error> {
let (manifest, _) = client.download_manifest().await?;
manifest.check_fingerprint(crypt_config.as_ref().map(Arc::as_ref))?;
- let index = client
- .download_dynamic_index(&manifest, &server_archive_name)
- .await?;
- let most_used = index.find_most_used_chunks(8);
-
- let file_info = manifest.lookup_file_info(&server_archive_name)?;
- let chunk_reader = RemoteChunkReader::new(
+ let (reader, archive_size) = get_pxar_fuse_reader(
+ &server_archive_name,
client.clone(),
+ &manifest,
crypt_config.clone(),
- file_info.chunk_crypt_mode(),
- most_used,
- );
- let reader = BufferedDynamicReader::new(index, chunk_reader);
- let archive_size = reader.archive_size();
- let reader: pbs_pxar_fuse::Reader = Arc::new(BufferedDynamicReadAt::new(reader));
+ ).await?;
+
let decoder = pbs_pxar_fuse::Accessor::new(reader, archive_size).await?;
client.download(CATALOG_NAME, &mut tmpfile).await?;
--
2.39.2