proxmox-mirrors/proxmox-backup
1
0
Fork 1
mirror of https://git.proxmox.com/git/proxmox-backup synced 2025-07-04 14:02:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

client: restore: read payload from dedicated index

Browse Source 
Whenever a split pxar archive is encountered, instantiate and attach
the required dedicated reader instance to the decoder instance on
restore.

Piping the output to stdout is not possible for these, as this would
require a decoder instance which can decode the input stream, while
maintaining the pxar stream format as output.

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
This commit is contained in:
Christian Ebner 2024-02-21 11:51:52 +01:00 committed by Fabian Grünbichler
parent 65dee618cc
commit a701d015dd
1 changed files with 29 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
proxmox-backup-client/src/main.rs
View File

@ -35,7 +35,7 @@ use pbs_client::tools::{
complete_archive_name, complete_auth_id, complete_backup_group, complete_backup_snapshot,
complete_backup_source, complete_chunk_size, complete_group_or_snapshot,
complete_img_archive_name, complete_namespace, complete_pxar_archive_name, complete_repository,
connect, connect_rate_limited, extract_repository_from_value,
connect, connect_rate_limited, extract_repository_from_value, has_pxar_filename_extension,
key_source::{
crypto_parameters, format_key_source, get_encryption_key_password, KEYFD_SCHEMA,
KEYFILE_SCHEMA, MASTER_PUBKEY_FD_SCHEMA, MASTER_PUBKEY_FILE_SCHEMA,
@ -1216,7 +1216,7 @@ async fn dump_image<W: Write>(
fn parse_archive_type(name: &str) -> (String, ArchiveType) {
if name.ends_with(".didx") || name.ends_with(".fidx") || name.ends_with(".blob") {
(name.into(), archive_type(name).unwrap())
} else if name.ends_with(".pxar") {
} else if has_pxar_filename_extension(name, false) {
(format!("{}.didx", name), ArchiveType::DynamicIndex)
} else if name.ends_with(".img") {
(format!("{}.fidx", name), ArchiveType::FixedIndex)
@ -1428,8 +1428,6 @@ async fn restore(
return Ok(Value::Null);
}
let file_info = manifest.lookup_file_info(&archive_name)?;
if archive_type == ArchiveType::Blob {
let mut reader = client.download_blob(&manifest, &archive_name).await?;
@ -1450,20 +1448,16 @@ async fn restore(
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if archive_type == ArchiveType::DynamicIndex {
let index = client
.download_dynamic_index(&manifest, &archive_name)
.await?;
let (archive_name, payload_archive_name) =
pbs_client::tools::get_pxar_archive_names(&archive_name, &manifest)?;
let most_used = index.find_most_used_chunks(8);
let chunk_reader = RemoteChunkReader::new(
let mut reader = get_buffered_pxar_reader(
&archive_name,
client.clone(),
crypt_config,
file_info.chunk_crypt_mode(),
most_used,
);
let mut reader = BufferedDynamicReader::new(index, chunk_reader);
&manifest,
crypt_config.clone(),
)
.await?;
let on_error = if ignore_extract_device_errors {
let handler: PxarErrorHandler = Box::new(move |err: Error| {
@ -1518,8 +1512,22 @@ async fn restore(
}
if let Some(target) = target {
let reader = if let Some(payload_archive_name) = payload_archive_name {
let payload_reader = get_buffered_pxar_reader(
&payload_archive_name,
client.clone(),
&manifest,
crypt_config.clone(),
)
.await?;
pxar::PxarVariant::Split(reader, payload_reader)
} else {
pxar::PxarVariant::Unified(reader)
};
let decoder = pxar::decoder::Decoder::from_std(reader)?;
pbs_client::pxar::extract_archive(
pxar::decoder::Decoder::from_std(pxar::PxarVariant::Unified(reader))?,
decoder,
Path::new(target),
feature_flags,
|path| {
@ -1529,6 +1537,9 @@ async fn restore(
)
.map_err(|err| format_err!("error extracting archive - {:#}", err))?;
} else {
if archive_name.ends_with(".mpxar.didx") || archive_name.ends_with(".ppxar.didx") {
bail!("unable to pipe split archive");
}
let mut writer = std::fs::OpenOptions::new()
.write(true)
.open("/dev/stdout")
@ -1538,6 +1549,7 @@ async fn restore(
.map_err(|err| format_err!("unable to pipe data - {}", err))?;
}
} else if archive_type == ArchiveType::FixedIndex {
let file_info = manifest.lookup_file_info(&archive_name)?;
let index = client
.download_fixed_index(&manifest, &archive_name)
.await?;