From: "Fabian Grünbichler" <f.gruenbichler@proxmox.com>
To: Proxmox Backup Server development discussion
<pbs-devel@lists.proxmox.com>
Subject: Re: [pbs-devel] [RFC v2 proxmox-backup 18/36] client: mount: make split pxar archives mountable
Date: Mon, 11 Mar 2024 15:58:24 +0100 [thread overview]
Message-ID: <1710166801.ikylurtnd5.astroid@yuna.none> (raw)
In-Reply-To: <20240305092703.126906-19-c.ebner@proxmox.com>
On March 5, 2024 10:26 am, Christian Ebner wrote:
> 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 1:
> - no changes
>
> proxmox-backup-client/src/mount.rs | 56 ++++++++++++++++++++++--------
> 1 file changed, 41 insertions(+), 15 deletions(-)
>
> diff --git a/proxmox-backup-client/src/mount.rs b/proxmox-backup-client/src/mount.rs
> index 4a2f8335..c955a7da 100644
> --- a/proxmox-backup-client/src/mount.rs
> +++ b/proxmox-backup-client/src/mount.rs
> @@ -219,19 +219,22 @@ async fn mount_do(param: Value, pipe: Option<OwnedFd>) -> Result<Value, Error> {
> }
> };
>
> - let server_archive_name = if archive_name.ends_with(".pxar") {
> - if target.is_none() {
> - bail!("use the 'mount' command to mount pxar archives");
> - }
> - format!("{}.didx", archive_name)
> - } else if archive_name.ends_with(".img") {
> - if target.is_some() {
> - bail!("use the 'map' command to map drive images");
> - }
> - format!("{}.fidx", archive_name)
> - } else {
> - bail!("Can only mount/map pxar archives and drive images.");
> - };
> + let server_archive_name =
> + if archive_name.ends_with(".pxar") || archive_name.ends_with(".pxar.meta") {
> + if target.is_none() {
> + bail!("use the 'mount' command to mount pxar archives");
> + }
> + format!("{}.didx", archive_name)
> + } else if archive_name.ends_with(".img") {
> + if target.is_some() {
> + bail!("use the 'map' command to map drive images");
> + }
> + format!("{}.fidx", archive_name)
> + } else if archive_name.ends_with(".pxar.pld") {
> + bail!("Use corresponding pxar.meta archive to mount.");
couldn't this just be mapped for convenience' sake?
> + } else {
> + bail!("Can only mount/map pxar archives and drive images.");
> + };
>
> let client = BackupReader::start(
> &client,
> @@ -289,14 +292,37 @@ async fn mount_do(param: Value, pipe: Option<OwnedFd>) -> Result<Value, Error> {
> let most_used = index.find_most_used_chunks(8);
> let chunk_reader = RemoteChunkReader::new(
> client.clone(),
> - crypt_config,
> + crypt_config.clone(),
> 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).await?;
> +
> + let mut decoder = pbs_pxar_fuse::Accessor::new(reader, archive_size).await?;
> +
> + if let Some(archive_base_name) = server_archive_name.strip_suffix(".pxar.meta.didx") {
> + let payload_archive_name = format!("{archive_base_name}.pxar.pld.didx");
> + let payload_index = client
> + .download_dynamic_index(&manifest, &payload_archive_name)
> + .await?;
> +
> + let payload_most_used = payload_index.find_most_used_chunks(8);
> + let payload_chunk_reader = RemoteChunkReader::new(
> + client.clone(),
> + crypt_config,
> + file_info.chunk_crypt_mode(),
> + payload_most_used,
> + );
> +
> + let payload_reader = BufferedDynamicReader::new(payload_index, payload_chunk_reader);
> + let payload_reader: pbs_pxar_fuse::Reader =
> + Arc::new(BufferedDynamicReadAt::new(payload_reader));
> +
> + decoder = decoder.redirect_payload_input(payload_reader);
> + }
this code now exists twice, and will be introduced a third time for the
catalog shell (somewhat factored out there). I think we'd just want a
get_decoder helper somewhere that takes care of all of that?
>
> let session =
> pbs_pxar_fuse::Session::mount(decoder, options, false, Path::new(target.unwrap()))
> --
> 2.39.2
>
>
>
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>
>
>
next prev parent reply other threads:[~2024-03-11 14:59 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-05 9:26 [pbs-devel] [RFC pxar proxmox-backup 00/36] fix #3174: improve file-level backup Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 01/36] format/examples: add PXAR_PAYLOAD_REF entry header Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 02/36] encoder: add optional output writer for file payloads Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 13:50 ` Christian Ebner
2024-03-11 15:41 ` Fabian Grünbichler
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 03/36] format/decoder: add method to read payload references Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 04/36] decoder: add optional payload input stream Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 14:05 ` Christian Ebner
2024-03-11 15:27 ` Fabian Grünbichler
2024-03-11 15:51 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 05/36] accessor: " Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 06/36] encoder: move to stack based state tracking Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 14:12 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 07/36] encoder: add payload reference capability Christian Ebner
2024-03-11 13:21 ` Fabian Grünbichler
2024-03-11 14:15 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 08/36] encoder: add payload position capability Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 09/36] encoder: add payload advance capability Christian Ebner
2024-03-11 13:22 ` Fabian Grünbichler
2024-03-11 14:22 ` Christian Ebner
2024-03-11 15:27 ` Fabian Grünbichler
2024-03-11 15:41 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 pxar 10/36] encoder/format: finish payload stream with marker Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 11/36] client: pxar: switch to stack based encoder state Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 12/36] client: backup: factor out extension from backup target Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 13/36] client: backup: early check for fixed index type Christian Ebner
2024-03-11 14:57 ` Fabian Grünbichler
2024-03-11 15:12 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 14/36] client: backup: split payload to dedicated stream Christian Ebner
2024-03-11 14:57 ` Fabian Grünbichler
2024-03-11 15:22 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 15/36] client: restore: read payload from dedicated index Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:26 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 16/36] tools: cover meta extension for pxar archives Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 17/36] restore: " Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 18/36] client: mount: make split pxar archives mountable Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler [this message]
2024-03-11 15:29 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 19/36] api: datastore: refactor getting local chunk reader Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 20/36] api: datastore: attach optional payload " Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 21/36] catalog: shell: factor out pxar fuse reader instantiation Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:31 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 22/36] catalog: shell: redirect payload reader for split streams Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:24 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 23/36] www: cover meta extension for pxar archives Christian Ebner
2024-03-11 14:58 ` Fabian Grünbichler
2024-03-11 15:31 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 24/36] index: fetch chunk form index by start/end-offset Christian Ebner
2024-03-12 8:50 ` Fabian Grünbichler
2024-03-14 8:23 ` Christian Ebner
2024-03-12 12:47 ` Dietmar Maurer
2024-03-12 12:51 ` Christian Ebner
2024-03-12 13:03 ` Dietmar Maurer
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 25/36] upload stream: impl reused chunk injector Christian Ebner
2024-03-13 9:43 ` Dietmar Maurer
2024-03-14 14:03 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 26/36] client: chunk stream: add chunk injection queues Christian Ebner
2024-03-12 9:46 ` Fabian Grünbichler
2024-03-19 10:52 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 27/36] client: implement prepare reference method Christian Ebner
2024-03-12 10:07 ` Fabian Grünbichler
2024-03-19 11:51 ` Christian Ebner
2024-03-19 12:49 ` Fabian Grünbichler
2024-03-20 8:37 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 28/36] client: pxar: implement store to insert chunks on caching Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 29/36] client: pxar: add previous reference to archiver Christian Ebner
2024-03-12 12:12 ` Fabian Grünbichler
2024-03-12 12:25 ` Christian Ebner
2024-03-19 12:59 ` Christian Ebner
2024-03-19 13:04 ` Fabian Grünbichler
2024-03-20 8:52 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 30/36] client: pxar: add method for metadata comparison Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 31/36] specs: add backup detection mode specification Christian Ebner
2024-03-12 12:17 ` Fabian Grünbichler
2024-03-12 12:31 ` Christian Ebner
2024-03-20 9:28 ` Christian Ebner
2024-03-05 9:26 ` [pbs-devel] [RFC v2 proxmox-backup 32/36] pxar: caching: add look-ahead cache types Christian Ebner
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 33/36] client: pxar: add look-ahead caching Christian Ebner
2024-03-12 14:08 ` Fabian Grünbichler
2024-03-20 10:28 ` Christian Ebner
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 34/36] fix #3174: client: pxar: enable caching and meta comparison Christian Ebner
2024-03-13 11:12 ` Fabian Grünbichler
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 35/36] test-suite: add detection mode change benchmark Christian Ebner
2024-03-13 11:48 ` Fabian Grünbichler
2024-03-05 9:27 ` [pbs-devel] [RFC v2 proxmox-backup 36/36] test-suite: Add bin to deb, add shell completions Christian Ebner
2024-03-13 11:18 ` Fabian Grünbichler
2024-03-13 11:44 ` [pbs-devel] [RFC pxar proxmox-backup 00/36] fix #3174: improve file-level backup Fabian Grünbichler
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