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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Thu, 25 Jan 2024 14:26:00 +0100
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Subject: [pbs-devel] [PATCH v6 proxmox-backup 21/29] fix #3174: specs: add
backup detection mode specification
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Adds the specification for switching the detection mode used to
identify regular files which changed since a reference backup run.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
Changes since v5:
- fix formatting using `cargo fmt`
pbs-client/src/backup_specification.rs | 33 ++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/pbs-client/src/backup_specification.rs b/pbs-client/src/backup_specification.rs
index 619a3a9d..3db1a7a4 100644
--- a/pbs-client/src/backup_specification.rs
+++ b/pbs-client/src/backup_specification.rs
@@ -4,6 +4,7 @@ use proxmox_schema::*;
const_regex! {
BACKUPSPEC_REGEX = r"^([a-zA-Z0-9_-]+\.(pxar|img|conf|log)):(.+)$";
+ DETECTION_MODE_REGEX = r"^(data|metadata(:[a-zA-Z0-9_-]+\.pxar)*)$";
}
pub const BACKUP_SOURCE_SCHEMA: Schema =
@@ -11,6 +12,11 @@ pub const BACKUP_SOURCE_SCHEMA: Schema =
.format(&ApiStringFormat::Pattern(&BACKUPSPEC_REGEX))
.schema();
+pub const BACKUP_DETECTION_MODE_SPEC: Schema =
+ StringSchema::new("Backup source specification ([data|metadata(:<label>,...)]).")
+ .format(&ApiStringFormat::Pattern(&DETECTION_MODE_REGEX))
+ .schema();
+
pub enum BackupSpecificationType {
PXAR,
IMAGE,
@@ -45,3 +51,30 @@ pub fn parse_backup_specification(value: &str) -> Result<BackupSpecification, Er
bail!("unable to parse backup source specification '{}'", value);
}
+
+pub enum BackupDetectionMode {
+ Data,
+ Metadata(Vec<String>),
+}
+
+pub fn parse_backup_detection_mode_specification(
+ value: &str,
+) -> Result<BackupDetectionMode, Error> {
+ if let Some(caps) = (DETECTION_MODE_REGEX.regex_obj)().captures(value) {
+ let mode = match caps.get(1).unwrap().as_str() {
+ "data" => BackupDetectionMode::Data,
+ ty if ty.starts_with("metadata") => {
+ let archives = ty.split(':').skip(1).map(|s| format!("{s}.didx")).collect();
+ BackupDetectionMode::Metadata(archives)
+ }
+ _ => bail!("invalid backup detection mode"),
+ };
+
+ return Ok(mode);
+ }
+
+ bail!(
+ "unable to parse backup detection mode specification '{}'",
+ value
+ );
+}
--
2.39.2