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From: Christian Ebner <c.ebner@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Thu, 1 Aug 2024 09:43:44 +0200
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Subject: [pbs-devel] [PATCH v2 proxmox-backup 12/31] server: sync: factor
out namespace depth check into sync module
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By moving and refactoring the check for a sync job exceeding the
global maximum namespace limit, the same function can be reused for
sync jobs in push direction.
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
changes since version 1:
- no changes
src/server/pull.rs | 20 +++-----------------
src/server/sync.rs | 21 +++++++++++++++++++++
2 files changed, 24 insertions(+), 17 deletions(-)
diff --git a/src/server/pull.rs b/src/server/pull.rs
index d18c6d643..3117f7d2c 100644
--- a/src/server/pull.rs
+++ b/src/server/pull.rs
@@ -28,8 +28,8 @@ use pbs_datastore::{check_backup_owner, DataStore, StoreProgress};
use pbs_tools::sha::sha256;
use super::sync::{
- LocalSource, RemoteSource, RemovedVanishedStats, SkipInfo, SkipReason, SyncSource,
- SyncSourceReader, SyncStats,
+ check_namespace_depth_limit, LocalSource, RemoteSource, RemovedVanishedStats, SkipInfo,
+ SkipReason, SyncSource, SyncSourceReader, SyncStats,
};
use crate::backup::{check_ns_modification_privs, check_ns_privs};
use crate::tools::parallel_handler::ParallelHandler;
@@ -735,21 +735,7 @@ pub(crate) async fn pull_store(mut params: PullParameters) -> Result<SyncStats,
params.source.list_namespaces(&mut params.max_depth).await?
};
- let ns_layers_to_be_pulled = namespaces
- .iter()
- .map(BackupNamespace::depth)
- .max()
- .map_or(0, |v| v - params.source.get_ns().depth());
- let target_depth = params.target.ns.depth();
-
- if ns_layers_to_be_pulled + target_depth > MAX_NAMESPACE_DEPTH {
- bail!(
- "Syncing would exceed max allowed namespace depth. ({}+{} > {})",
- ns_layers_to_be_pulled,
- target_depth,
- MAX_NAMESPACE_DEPTH
- );
- }
+ check_namespace_depth_limit(¶ms.source.get_ns(), ¶ms.target.ns, &namespaces)?;
errors |= old_max_depth != params.max_depth; // fail job if we switched to backwards-compat mode
namespaces.sort_unstable_by_key(|a| a.name_len());
diff --git a/src/server/sync.rs b/src/server/sync.rs
index ee40d0b9d..bd68dda46 100644
--- a/src/server/sync.rs
+++ b/src/server/sync.rs
@@ -547,3 +547,24 @@ impl std::fmt::Display for SkipInfo {
)
}
}
+
+/// Check if a sync from source to target of given namespaces exceeds the global namespace depth limit
+pub(crate) fn check_namespace_depth_limit(
+ source_namespace: &BackupNamespace,
+ target_namespace: &BackupNamespace,
+ namespaces: &[BackupNamespace],
+) -> Result<(), Error> {
+ let target_ns_depth = target_namespace.depth();
+ let sync_ns_depth = namespaces
+ .iter()
+ .map(BackupNamespace::depth)
+ .max()
+ .map_or(0, |v| v - source_namespace.depth());
+
+ if sync_ns_depth + target_ns_depth > MAX_NAMESPACE_DEPTH {
+ bail!(
+ "Syncing would exceed max allowed namespace depth. ({sync_ns_depth}+{target_ns_depth} > {MAX_NAMESPACE_DEPTH})",
+ );
+ }
+ Ok(())
+}
--
2.39.2
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