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

[Christian Ebner <c.ebner@proxmox.com>]

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:
 
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.",
+)
+.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.",
                items: {
                    schema: BACKUP_SOURCE_SCHEMA,
                }
-- 
2.39.5



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