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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Mon, 12 Aug 2024 12:31:33 +0200
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Subject: [pbs-devel] [PATCH v3 proxmox-backup 04/10] 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>
---
changes since version 2:
- move to pxar tools submodule instead of general client's tools module
pbs-client/src/pxar/tools.rs | 36 ++++++++++++++++++++++++++++++--
proxmox-file-restore/src/main.rs | 30 +++-----------------------
2 files changed, 37 insertions(+), 29 deletions(-)
diff --git a/pbs-client/src/pxar/tools.rs b/pbs-client/src/pxar/tools.rs
index 2f517022f..1598aeb2e 100644
--- a/pbs-client/src/pxar/tools.rs
+++ b/pbs-client/src/pxar/tools.rs
@@ -2,8 +2,8 @@
use std::ffi::OsStr;
use std::os::unix::ffi::OsStrExt;
-use std::path::Path;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
+use std::sync::Arc;
use anyhow::{bail, format_err, Context, Error};
use nix::sys::stat::Mode;
@@ -15,6 +15,13 @@ use pxar::{mode, Entry, EntryKind, Metadata};
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 crate::{BackupReader, RemoteChunkReader};
+
/// Get the file permissions as `nix::Mode`
pub(crate) fn perms_from_metadata(meta: &Metadata) -> Result<Mode, Error> {
let mode = meta.stat.get_permission_bits();
@@ -375,3 +382,28 @@ pub fn handle_root_with_optional_format_version_prelude<R: pxar::decoder::SeqRea
_ => bail!("unexpected entry kind {:?}", first.kind()),
}
}
+
+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))
+}
diff --git a/proxmox-file-restore/src/main.rs b/proxmox-file-restore/src/main.rs
index 40b063ebc..5a563b8e5 100644
--- a/proxmox-file-restore/src/main.rs
+++ b/proxmox-file-restore/src/main.rs
@@ -21,6 +21,7 @@ use pxar::accessor::aio::Accessor;
use pxar::decoder::aio::Decoder;
use pbs_api_types::{file_restore::FileRestoreFormat, BackupDir, BackupNamespace, CryptMode};
+use pbs_client::pxar::tools::get_remote_pxar_reader;
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,
@@ -33,9 +34,9 @@ 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;
@@ -357,31 +358,6 @@ 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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