Re: [pbs-devel] [PATCH v3 proxmox-backup] fix #6185: client/docs: explicitly mention archive name restrictions

["Fabian Grünbichler" <f.gruenbichler@proxmox.com>]

On February 21, 2025 3:17 pm, Christian Ebner wrote:
> Mention in the docs and the api parameter description the limitations
> for archive name labels. They must contain alphanumerics, hyphens and
> underscores only to match the regex pattern.
> 
> Further, explicitly mention the extension in the backup source schema
> specification, to clearly distinguish this from the label and be in
> line with the description give in the schema for the cli command.
> 
> By setting this in the api parameter description, it will be included
> in the man page for proxmox-backup-client.
> 
> Fixes: https://bugzilla.proxmox.com/show_bug.cgi?id=6185
> Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
> ---
> changes since version 2:
> - Also explicitly mention the extension part in the backup source
>   schema description, thanks @Shannon for noticing!
> - Adapt commit message accordingly
> 
>  docs/backup-client.rst                 |  1 +
>  pbs-client/src/backup_specification.rs | 10 ++++++----
>  proxmox-backup-client/src/main.rs      |  3 ++-
>  3 files changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/docs/backup-client.rst b/docs/backup-client.rst
> index 1c2a98ed8..e11c0142a 100644
> --- a/docs/backup-client.rst
> +++ b/docs/backup-client.rst
> @@ -169,6 +169,7 @@ the client. The format is:
>  
>      <archive-name>.<type>:<source-path>
>  
> +The ``archive-name`` must contain alphanumerics, hyphens and underscores only.
>  Common types are ``.pxar`` for file archives and ``.img`` for block
>  device images. To create a backup of a block device, run the following command:

here we call it archive-name, type and source-path, but
>  
> diff --git a/pbs-client/src/backup_specification.rs b/pbs-client/src/backup_specification.rs
> index b6fbc555c..fe5c352e4 100644
> --- a/pbs-client/src/backup_specification.rs
> +++ b/pbs-client/src/backup_specification.rs
> @@ -7,10 +7,12 @@ const_regex! {
>      BACKUPSPEC_REGEX = r"^([a-zA-Z0-9_-]+\.(pxar|img|conf|log)):(.+)$";
>  }
>  
> -pub const BACKUP_SOURCE_SCHEMA: Schema =
> -    StringSchema::new("Backup source specification ([<label>:<path>]).")
> -        .format(&ApiStringFormat::Pattern(&BACKUPSPEC_REGEX))
> -        .schema();
> +pub const BACKUP_SOURCE_SCHEMA: Schema = StringSchema::new(
> +    "Backup source specification ([<label.ext>:<path>]), the specification \
> +    'label' must contain alphanumerics, hyphens and underscores only.",
> +)

here we call it label, ext and path ? maybe we could unify these?

> +.format(&ApiStringFormat::Pattern(&BACKUPSPEC_REGEX))
> +.schema();
>  
>  pub enum BackupSpecificationType {
>      PXAR,
> diff --git a/proxmox-backup-client/src/main.rs b/proxmox-backup-client/src/main.rs
> index 589a097bb..9077f7bdf 100644
> --- a/proxmox-backup-client/src/main.rs
> +++ b/proxmox-backup-client/src/main.rs
> @@ -628,7 +628,8 @@ fn spawn_catalog_upload(
>         properties: {
>             backupspec: {
>                 type: Array,
> -               description: "List of backup source specifications ([<label.ext>:<path>] ...)",
> +               description: "List of backup source specifications ([<label.ext>:<path>] ...), the \
> +                    specifications 'label' must contain alphanumerics, hyphens and underscores only.",

same here, and the second 'specifications' should be singular like
above (or be dropped in both instances, since it doesn't really provide
any extra information over just "the 'label'" or "the 'archive-name'").

I think I'd also prefer "can only contain" or "must only contain"
instead of putting the 'only' at the end.

>                 items: {
>                     schema: BACKUP_SOURCE_SCHEMA,
>                 }
> -- 
> 2.39.5
> 
> 
> 
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> 
> 
> 


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