From: Dominik Csapak <d.csapak@proxmox.com>
To: Proxmox Backup Server development discussion
<pbs-devel@lists.proxmox.com>,
Christian Ebner <c.ebner@proxmox.com>
Subject: Re: [pbs-devel] [PATCH v6 proxmox-backup 22/65] client: restore: read payload from dedicated index
Date: Tue, 21 May 2024 14:44:48 +0200 [thread overview]
Message-ID: <d936e2dd-7e0b-4218-bed8-fd439d07bcd1@proxmox.com> (raw)
In-Reply-To: <20240514103421.289431-23-c.ebner@proxmox.com>
this patch (and the next few) introduce a few checks that check the filename
for '.mpxar.didx' or '.mpxar' etc.
wouldn't it be nicer to have a helper that checks that at one point in the code
instead of sprinkling the extension strings around the code?
e.g. a typo at any one of those places is easy to miss but might introduce
bugs or unintended behavior
On 5/14/24 12:33, Christian Ebner wrote:
> 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>
> ---
> proxmox-backup-client/src/main.rs | 39 ++++++++++++++++++++-----------
> 1 file changed, 25 insertions(+), 14 deletions(-)
>
> diff --git a/proxmox-backup-client/src/main.rs b/proxmox-backup-client/src/main.rs
> index b81719dad..821777d66 100644
> --- a/proxmox-backup-client/src/main.rs
> +++ b/proxmox-backup-client/src/main.rs
> @@ -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 name.ends_with(".pxar") || name.ends_with(".mpxar") || name.ends_with(".ppxar") {
> (format!("{}.didx", name), ArchiveType::DynamicIndex)
> } else if name.ends_with(".img") {
> (format!("{}.fidx", name), ArchiveType::FixedIndex)
> @@ -1450,20 +1450,15 @@ 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) = helper::get_pxar_archive_names(&archive_name);
>
> - 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 +1513,21 @@ async fn restore(
> }
>
> if let Some(target) = target {
> + let decoder = 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::decoder::Decoder::from_std(reader, Some(payload_reader))?
> + } else {
> + pxar::decoder::Decoder::from_std(reader, None)?
> + };
> +
> pbs_client::pxar::extract_archive(
> - pxar::decoder::Decoder::from_std(reader, None)?,
> + 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")
_______________________________________________
pbs-devel mailing list
pbs-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel
next prev parent reply other threads:[~2024-05-21 12:44 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-14 10:33 [pbs-devel] [PATCH v5 pxar proxmox-backup 00/62] fix #3174: improve file-level backup Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 01/14] format/examples: add header type `PXAR_PAYLOAD_REF` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 02/14] decoder: add method to read payload references Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 03/14] decoder: factor out skip part from skip_entry Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 04/14] encoder: add optional output writer for file payloads Christian Ebner
2024-05-21 10:06 ` Dominik Csapak
2024-05-21 10:21 ` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 05/14] encoder: move to stack based state tracking Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 06/14] decoder/accessor: add optional payload input stream Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 07/14] decoder: set payload input range when decoding via accessor Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 08/14] encoder: add payload reference capability Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 09/14] encoder: add payload position capability Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 10/14] encoder: add payload advance capability Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 11/14] encoder/format: finish payload stream with marker Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 12/14] format: add payload stream start marker Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 13/14] format/encoder/decoder: new pxar entry type `Version` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 pxar 14/14] format/encoder/decoder: new pxar entry type `Prelude` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 15/65] client: pxar: switch to stack based encoder state Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 16/65] client: backup: factor out extension from backup target Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 17/65] client: pxar: combine writers into struct Christian Ebner
2024-05-21 10:29 ` Dominik Csapak
2024-05-21 13:30 ` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 18/65] client: pxar: add optional pxar payload writer instance Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 19/65] client: pxar: optionally split metadata and payload streams Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 20/65] client: helper: add helpers for creating reader instances Christian Ebner
2024-05-21 12:26 ` Dominik Csapak
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 21/65] client: helper: add method for split archive name mapping Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 22/65] client: restore: read payload from dedicated index Christian Ebner
2024-05-21 12:44 ` Dominik Csapak [this message]
2024-05-24 6:45 ` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 23/65] tools: cover extension for split pxar archives Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 24/65] restore: " Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 25/65] client: mount: make split pxar archives mountable Christian Ebner
2024-05-21 12:54 ` Dominik Csapak
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 26/65] api: datastore: refactor getting local chunk reader Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 27/65] api: datastore: attach optional payload " Christian Ebner
2024-05-21 13:12 ` Dominik Csapak
2024-05-24 6:48 ` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 28/65] catalog: shell: make split pxar archives accessible Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 29/65] www: cover metadata extension for pxar archives Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 30/65] file restore: factor out getting pxar reader Christian Ebner
2024-05-21 13:19 ` Dominik Csapak
2024-05-21 14:07 ` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 31/65] file restore: cover split metadata and payload archives Christian Ebner
2024-05-21 13:25 ` Dominik Csapak
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 32/65] file restore: show more error context when extraction fails Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 33/65] pxar: add optional payload input for achive restore Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 34/65] pxar: add more context to extraction error Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 35/65] client: pxar: include payload offset in entry listing Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 36/65] pxar: show padding in debug output on archive list Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 37/65] datastore: dynamic index: add method to get digest Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 38/65] client: pxar: helper for lookup of reusable dynamic entries Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 39/65] upload stream: implement reused chunk injector Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 40/65] client: chunk stream: add struct to hold injection state Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 41/65] chunker: add method to reset chunker state Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 42/65] client: streams: add channels for dynamic entry injection Christian Ebner
2024-05-22 9:56 ` Dominik Csapak
2024-05-24 6:57 ` Christian Ebner
2024-05-14 10:33 ` [pbs-devel] [PATCH v6 proxmox-backup 43/65] specs: add backup detection mode specification Christian Ebner
2024-05-22 13:07 ` Dominik Csapak
2024-05-24 6:59 ` Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 44/65] client: implement prepare reference method Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 45/65] client: pxar: add method for metadata comparison Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 46/65] pxar: caching: add look-ahead cache types Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 47/65] fix #3174: client: pxar: enable caching and meta comparison Christian Ebner
2024-05-22 14:45 ` Dominik Csapak
2024-05-24 8:50 ` Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 48/65] client: backup writer: add injected chunk count to stats Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 49/65] pxar: create: keep track of reused chunks and files Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 50/65] pxar: create: show chunk injection stats debug output Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 51/65] client: pxar: add helper to handle optional preludes Christian Ebner
2024-05-23 8:47 ` Dominik Csapak
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 52/65] client: pxar: opt encode cli exclude patterns as Prelude Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 53/65] docs: file formats: describe split pxar archive file layout Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 54/65] docs: add section describing change detection mode Christian Ebner
2024-05-23 9:28 ` Dominik Csapak
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 55/65] test-suite: add detection mode change benchmark Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 56/65] test-suite: add bin to deb, add shell completions Christian Ebner
2024-05-23 9:32 ` Dominik Csapak
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 57/65] datastore: chunker: add Chunker trait Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 58/65] datastore: chunker: implement chunker for payload stream Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 59/65] client: chunk stream: switch payload stream chunker Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 60/65] client: pxar: allow to restore prelude to optional path Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 61/65] client: pxar: add archive creation with reference test Christian Ebner
2024-05-23 10:04 ` Dominik Csapak
2024-05-23 10:17 ` Christian Ebner
2024-05-23 10:17 ` Dominik Csapak
2024-05-27 11:05 ` Christian Ebner
2024-05-27 11:17 ` Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 62/65] client: tools: add helper to raise nofile rlimit Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 63/65] client: pxar: set cache limit based on " Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 64/65] chunker: tests: add regression tests for payload chunker Christian Ebner
2024-05-21 11:23 ` Dominik Csapak
2024-05-21 11:27 ` Christian Ebner
2024-05-14 10:34 ` [pbs-devel] [PATCH v6 proxmox-backup 65/65] chunk stream: " Christian Ebner
2024-05-21 11:21 ` Dominik Csapak
2024-05-14 10:45 ` [pbs-devel] [PATCH v5 pxar proxmox-backup 00/62] fix #3174: improve file-level backup Christian Ebner
2024-05-27 14:35 ` Christian Ebner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d936e2dd-7e0b-4218-bed8-fd439d07bcd1@proxmox.com \
--to=d.csapak@proxmox.com \
--cc=c.ebner@proxmox.com \
--cc=pbs-devel@lists.proxmox.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox