From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) by lore.proxmox.com (Postfix) with ESMTPS id D17321FF15F for ; Mon, 21 Oct 2024 17:47:37 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id C76AA38162; Mon, 21 Oct 2024 17:48:11 +0200 (CEST) From: Christian Ebner To: pbs-devel@lists.proxmox.com Date: Mon, 21 Oct 2024 17:47:41 +0200 Message-Id: <20241021154744.325556-8-c.ebner@proxmox.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20241021154744.325556-1-c.ebner@proxmox.com> References: <20241021154744.325556-1-c.ebner@proxmox.com> MIME-Version: 1.0 X-SPAM-LEVEL: Spam detection results: 0 AWL -0.022 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment PROLO_LEO1 0.1 Meta Catches all Leo drug variations so far SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pbs-devel] [PATCH v4 proxmox-backup 07/10] client: add helper to dump catalog from metadata archive X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox Backup Server development discussion Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pbs-devel-bounces@lists.proxmox.com Sender: "pbs-devel" Implements the methods to dump the contents of a metadata pxar archive using the same output format as used by the catalog dump. The helper function has been split into 2 for async recursion to work. This will be used to generate the catalog dump for split pxar archives `proxmox-backup-client catalog dump` invocations. Signed-off-by: Christian Ebner --- changes since version 3: - adapt commit message to reflect the purpose of the patch more clearly changes since version 2: - place into pxar tools module instead of general client tools module pbs-client/src/pxar/tools.rs | 66 ++++++++++++++++++++++++++++++++++-- 1 file changed, 63 insertions(+), 3 deletions(-) diff --git a/pbs-client/src/pxar/tools.rs b/pbs-client/src/pxar/tools.rs index 68207cd31..c99cf46fd 100644 --- a/pbs-client/src/pxar/tools.rs +++ b/pbs-client/src/pxar/tools.rs @@ -1,19 +1,21 @@ //! Some common methods used within the pxar code. use std::ffi::OsStr; +use std::future::Future; use std::os::unix::ffi::OsStrExt; use std::path::{Path, PathBuf}; +use std::pin::Pin; use std::sync::Arc; use anyhow::{bail, format_err, Context, Error}; use nix::sys::stat::Mode; -use pxar::accessor::aio::{Accessor, FileEntry}; +use pxar::accessor::aio::{Accessor, Directory, FileEntry}; use pxar::accessor::ReadAt; -use pxar::format::{SignedDuration, StatxTimestamp}; +use pxar::format::StatxTimestamp; use pxar::{mode, Entry, EntryKind, Metadata}; -use pbs_datastore::catalog::{ArchiveEntry, DirEntryAttribute}; +use pbs_datastore::catalog::{ArchiveEntry, CatalogEntryType, DirEntryAttribute}; use pbs_datastore::dynamic_index::{BufferedDynamicReader, LocalDynamicReadAt}; use pbs_datastore::index::IndexFile; @@ -397,3 +399,61 @@ pub(crate) fn entry_path_with_prefix( PathBuf::from(entry.path()) } } + +/// Read a sorted list of pxar archive entries from given parent entry via the pxar accessor. +pub(crate) async fn pxar_metadata_read_dir( + parent_dir: Directory, +) -> Result>, Error> { + let mut entries_iter = parent_dir.read_dir(); + let mut entries = Vec::new(); + while let Some(entry) = entries_iter.next().await { + let entry = entry?.decode_entry().await?; + entries.push(entry); + } + entries.sort_unstable_by(|a, b| a.path().cmp(b.path())); + Ok(entries) +} + +/// Dump pxar archive entry by using the same format used to dump entries from a catalog. +fn pxar_metadata_catalog_dump_entry<'future, T: Clone + Send + Sync + ReadAt + 'future>( + entry: FileEntry, + path_prefix: Option<&'future str>, +) -> Pin> + Send + 'future>> { + let entry_path = entry_path_with_prefix(&entry, path_prefix); + + Box::pin(async move { + if let Ok(attr) = DirEntryAttribute::try_from(&entry) { + let etype = CatalogEntryType::from(&attr); + match attr { + DirEntryAttribute::File { size, mtime } => { + let mut mtime_string = mtime.to_string(); + if let Ok(s) = proxmox_time::strftime_local("%FT%TZ", mtime) { + mtime_string = s; + } + log::info!("{etype} {entry_path:?} {size} {mtime_string}"); + } + DirEntryAttribute::Directory { .. } => { + log::info!("{etype} {entry_path:?}"); + let dir = entry.enter_directory().await?; + pxar_metadata_catalog_dump_dir(dir, path_prefix).await?; + } + _ => log::info!("{etype} {entry_path:?}"), + } + } + + Ok(()) + }) +} + +/// Recursively iterate over pxar archive entries and dump them using the same format used to dump +/// entries from a catalog. +pub async fn pxar_metadata_catalog_dump_dir( + parent_dir: Directory, + path_prefix: Option<&str>, +) -> Result<(), Error> { + let entries = pxar_metadata_read_dir(parent_dir).await?; + for entry in entries { + pxar_metadata_catalog_dump_entry(entry, path_prefix).await?; + } + Ok(()) +} -- 2.39.5 _______________________________________________ pbs-devel mailing list pbs-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel