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From: Christian Ebner <c.ebner@proxmox.com>
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Date: Tue, 16 Jul 2024 17:33:11 +0200
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Subject: [pbs-devel] [PATCH proxmox-backup 1/3] client: make helper to get
remote pxar reader reusable
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Move the get_remote_pxar_reader helper function so it can be reused
also for getting the metadata archive reader instance for the catalog
dump.
No functional changes.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
pbs-client/src/tools/mod.rs | 31 ++++++++++++++++++++++++++++++-
proxmox-file-restore/src/main.rs | 31 +++----------------------------
2 files changed, 33 insertions(+), 29 deletions(-)
diff --git a/pbs-client/src/tools/mod.rs b/pbs-client/src/tools/mod.rs
index 90fac696e..f2d2f48dc 100644
--- a/pbs-client/src/tools/mod.rs
+++ b/pbs-client/src/tools/mod.rs
@@ -8,6 +8,7 @@ use std::os::unix::ffi::OsStrExt;
use std::os::unix::io::FromRawFd;
use std::path::PathBuf;
use std::process::Command;
+use std::sync::Arc;
use anyhow::{bail, format_err, Context, Error};
use serde_json::{json, Value};
@@ -20,13 +21,16 @@ use proxmox_sys::fs::file_get_json;
use pbs_api_types::{Authid, BackupNamespace, RateLimitConfig, UserWithTokens, BACKUP_REPO_URL};
use pbs_datastore::catalog::{ArchiveEntry, DirEntryAttribute};
+use pbs_datastore::dynamic_index::{BufferedDynamicReader, LocalDynamicReadAt};
+use pbs_datastore::index::IndexFile;
use pbs_datastore::BackupManifest;
+use pbs_tools::crypt_config::CryptConfig;
use pxar::accessor::aio::Accessor;
use pxar::accessor::ReadAt;
use pxar::format::SignedDuration;
use pxar::{mode, EntryKind};
-use crate::{BackupRepository, HttpClient, HttpClientOptions};
+use crate::{BackupReader, BackupRepository, HttpClient, HttpClientOptions, RemoteChunkReader};
pub mod key_source;
@@ -553,6 +557,31 @@ pub fn place_xdg_file(
.with_context(|| format!("failed to place {} in xdg home", description))
}
+pub async fn get_remote_pxar_reader(
+ archive_name: &str,
+ client: Arc<BackupReader>,
+ manifest: &BackupManifest,
+ crypt_config: Option<Arc<CryptConfig>>,
+) -> Result<(LocalDynamicReadAt<RemoteChunkReader>, u64), Error> {
+ let index = client
+ .download_dynamic_index(manifest, archive_name)
+ .await?;
+ let most_used = index.find_most_used_chunks(8);
+
+ let file_info = manifest.lookup_file_info(archive_name)?;
+ let chunk_reader = RemoteChunkReader::new(
+ client.clone(),
+ crypt_config,
+ file_info.chunk_crypt_mode(),
+ most_used,
+ );
+
+ let reader = BufferedDynamicReader::new(index, chunk_reader);
+ let archive_size = reader.archive_size();
+
+ Ok((LocalDynamicReadAt::new(reader), archive_size))
+}
+
pub fn get_pxar_archive_names(
archive_name: &str,
manifest: &BackupManifest,
diff --git a/proxmox-file-restore/src/main.rs b/proxmox-file-restore/src/main.rs
index 69d811fc1..db4ccae08 100644
--- a/proxmox-file-restore/src/main.rs
+++ b/proxmox-file-restore/src/main.rs
@@ -24,7 +24,7 @@ use pbs_api_types::{file_restore::FileRestoreFormat, BackupDir, BackupNamespace,
use pbs_client::pxar::{create_tar, create_zip, extract_sub_dir, extract_sub_dir_seq};
use pbs_client::tools::{
complete_group_or_snapshot, complete_repository, connect, extract_repository_from_value,
- has_pxar_filename_extension,
+ get_remote_pxar_reader, has_pxar_filename_extension,
key_source::{
crypto_parameters_keep_fd, format_key_source, get_encryption_key_password, KEYFD_SCHEMA,
KEYFILE_SCHEMA,
@@ -33,9 +33,9 @@ use pbs_client::tools::{
};
use pbs_client::{BackupReader, BackupRepository, RemoteChunkReader};
use pbs_datastore::catalog::{ArchiveEntry, CatalogReader, DirEntryAttribute};
-use pbs_datastore::dynamic_index::{BufferedDynamicReader, LocalDynamicReadAt};
+use pbs_datastore::dynamic_index::BufferedDynamicReader;
use pbs_datastore::index::IndexFile;
-use pbs_datastore::{BackupManifest, CATALOG_NAME};
+use pbs_datastore::CATALOG_NAME;
use pbs_key_config::decrypt_key;
use pbs_tools::crypt_config::CryptConfig;
@@ -353,31 +353,6 @@ async fn list(
Ok(())
}
-async fn get_remote_pxar_reader(
- archive_name: &str,
- client: Arc<BackupReader>,
- manifest: &BackupManifest,
- crypt_config: Option<Arc<CryptConfig>>,
-) -> Result<(LocalDynamicReadAt<RemoteChunkReader>, u64), Error> {
- let index = client
- .download_dynamic_index(manifest, archive_name)
- .await?;
- let most_used = index.find_most_used_chunks(8);
-
- let file_info = manifest.lookup_file_info(archive_name)?;
- let chunk_reader = RemoteChunkReader::new(
- client.clone(),
- crypt_config,
- file_info.chunk_crypt_mode(),
- most_used,
- );
-
- let reader = BufferedDynamicReader::new(index, chunk_reader);
- let archive_size = reader.archive_size();
-
- Ok((LocalDynamicReadAt::new(reader), archive_size))
-}
-
#[api(
input: {
properties: {
--
2.39.2
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