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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Tue, 7 May 2024 17:52:07 +0200
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Subject: [pbs-devel] [PATCH v5 proxmox-backup 25/62] client: mount: make
split pxar archives mountable
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Cover the cases where the pxar archive was uploaded as split payload
data and metadata streams. Instantiate the required reader and
decoder instances to access the metadata and payload data archives.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 4:
- no changes
proxmox-backup-client/src/mount.rs | 34 ++++++++++++++----------------
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/proxmox-backup-client/src/mount.rs b/proxmox-backup-client/src/mount.rs
index 67fd23468..dd9532fbe 100644
--- a/proxmox-backup-client/src/mount.rs
+++ b/proxmox-backup-client/src/mount.rs
@@ -21,17 +21,16 @@ use pbs_api_types::BackupNamespace;
use pbs_client::tools::key_source::get_encryption_key_password;
use pbs_client::{BackupReader, RemoteChunkReader};
use pbs_datastore::cached_chunk_reader::CachedChunkReader;
-use pbs_datastore::dynamic_index::BufferedDynamicReader;
use pbs_datastore::index::IndexFile;
use pbs_key_config::load_and_decrypt_key;
use pbs_tools::crypt_config::CryptConfig;
use pbs_tools::json::required_string_param;
+use crate::helper;
use crate::{
complete_group_or_snapshot, complete_img_archive_name, complete_namespace,
complete_pxar_archive_name, complete_repository, connect, dir_or_last_from_group,
- extract_repository_from_value, optional_ns_param, record_repository, BufferedDynamicReadAt,
- REPO_URL_SCHEMA,
+ extract_repository_from_value, optional_ns_param, record_repository, REPO_URL_SCHEMA,
};
#[sortable]
@@ -219,7 +218,10 @@ async fn mount_do(param: Value, pipe: Option<OwnedFd>) -> Result<Value, Error> {
}
};
- let server_archive_name = if archive_name.ends_with(".pxar") {
+ let server_archive_name = if archive_name.ends_with(".pxar")
+ || archive_name.ends_with(".mpxar")
+ || archive_name.ends_with(".ppxar")
+ {
if target.is_none() {
bail!("use the 'mount' command to mount pxar archives");
}
@@ -246,7 +248,9 @@ async fn mount_do(param: Value, pipe: Option<OwnedFd>) -> Result<Value, Error> {
let (manifest, _) = client.download_manifest().await?;
manifest.check_fingerprint(crypt_config.as_ref().map(Arc::as_ref))?;
- let file_info = manifest.lookup_file_info(&server_archive_name)?;
+ let (archive_name, payload_archive_name) = helper::get_pxar_archive_names(&server_archive_name);
+
+ let file_info = manifest.lookup_file_info(&archive_name)?;
let daemonize = || -> Result<(), Error> {
if let Some(pipe) = pipe {
@@ -283,20 +287,14 @@ async fn mount_do(param: Value, pipe: Option<OwnedFd>) -> Result<Value, Error> {
futures::future::select(interrupt_int.recv().boxed(), interrupt_term.recv().boxed());
if server_archive_name.ends_with(".didx") {
- let index = client
- .download_dynamic_index(&manifest, &server_archive_name)
- .await?;
- let most_used = index.find_most_used_chunks(8);
- let chunk_reader = RemoteChunkReader::new(
+ let decoder = helper::get_pxar_fuse_accessor(
+ &archive_name,
+ payload_archive_name.as_ref().map(|x| x.as_str()),
client.clone(),
- crypt_config,
- 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));
- let decoder = pbs_pxar_fuse::Accessor::new(reader, archive_size, None).await?;
+ &manifest,
+ crypt_config.clone(),
+ )
+ .await?;
let session =
pbs_pxar_fuse::Session::mount(decoder, options, false, Path::new(target.unwrap()))
--
2.39.2
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