[pbs-devel] [RFC PATCH proxmox-backup 3/5] add protected info of snapshots to api and task logs

[Dominik Csapak <d.csapak@proxmox.com>]

adds the info that a snapshot is protected to:
* snapshot list
* manual pruning (also dry-run)
* prune jobs

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 pbs-api-types/src/lib.rs    |  2 ++
 pbs-datastore/src/prune.rs  | 15 ++++++++-------
 src/api2/admin/datastore.rs | 11 ++++++++---
 src/server/prune_job.rs     |  4 ++--
 4 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/pbs-api-types/src/lib.rs b/pbs-api-types/src/lib.rs
index 024181ee..4e581358 100644
--- a/pbs-api-types/src/lib.rs
+++ b/pbs-api-types/src/lib.rs
@@ -387,6 +387,8 @@ pub struct SnapshotListItem {
     /// The owner of the snapshots group
     #[serde(skip_serializing_if = "Option::is_none")]
     pub owner: Option<Authid>,
+    /// Protection from prunes
+    pub protected: bool,
 }
 
 #[api(
diff --git a/pbs-datastore/src/prune.rs b/pbs-datastore/src/prune.rs
index 6b76e9d7..3d4eb18e 100644
--- a/pbs-datastore/src/prune.rs
+++ b/pbs-datastore/src/prune.rs
@@ -225,7 +225,7 @@ impl PruneOptions {
 pub fn compute_prune_info(
     mut list: Vec<BackupInfo>,
     options: &PruneOptions,
-) -> Result<Vec<(BackupInfo, bool)>, Error> {
+) -> Result<Vec<(BackupInfo, bool, bool)>, Error> {
 
     let mut mark = HashMap::new();
 
@@ -273,15 +273,16 @@ pub fn compute_prune_info(
         })?;
     }
 
-    let prune_info: Vec<(BackupInfo, bool)> = list.into_iter()
+    let prune_info: Vec<(BackupInfo, bool, bool)> = list.into_iter()
         .map(|info| {
             let backup_id = info.backup_dir.relative_path();
-            let keep = match mark.get(&backup_id) {
-                Some(PruneMark::Keep) => true,
-                Some(PruneMark::KeepPartial) => true,
-               _ => false,
+            let (keep, protected) = match mark.get(&backup_id) {
+                Some(PruneMark::Keep) => (true, false),
+                Some(PruneMark::KeepPartial) => (true, false),
+                Some(PruneMark::Protected) => (true, true),
+               _ => (false, false),
             };
-            (info, keep)
+            (info, keep, protected)
         })
         .collect();
 
diff --git a/src/api2/admin/datastore.rs b/src/api2/admin/datastore.rs
index 5470de73..f49cdbee 100644
--- a/src/api2/admin/datastore.rs
+++ b/src/api2/admin/datastore.rs
@@ -444,6 +444,7 @@ pub fn list_snapshots (
         let backup_type = group.backup_type().to_string();
         let backup_id = group.backup_id().to_string();
         let backup_time = info.backup_dir.backup_time();
+        let protected = info.backup_dir.is_protected(base_path.clone());
 
         match get_all_snapshot_files(&datastore, &info) {
             Ok((manifest, files)) => {
@@ -482,6 +483,7 @@ pub fn list_snapshots (
                     files,
                     size,
                     owner,
+                    protected,
                 }
             },
             Err(err) => {
@@ -506,6 +508,7 @@ pub fn list_snapshots (
                     files,
                     size: None,
                     owner,
+                    protected,
                 }
             },
         }
@@ -849,7 +852,7 @@ pub fn prune(
     let keep_all = !prune_options.keeps_something();
 
     if dry_run {
-        for (info, mut keep) in prune_info {
+        for (info, mut keep, protected) in prune_info {
             if keep_all { keep = true; }
 
             let backup_time = info.backup_dir.backup_time();
@@ -860,6 +863,7 @@ pub fn prune(
                 "backup-id": group.backup_id(),
                 "backup-time": backup_time,
                 "keep": keep,
+                "protected": protected,
             }));
         }
         return Ok(json!(prune_result));
@@ -877,7 +881,7 @@ pub fn prune(
                             store, backup_type, backup_id));
     }
 
-    for (info, mut keep) in prune_info {
+    for (info, mut keep, protected) in prune_info {
         if keep_all { keep = true; }
 
         let backup_time = info.backup_dir.backup_time();
@@ -890,7 +894,7 @@ pub fn prune(
             group.backup_type(),
             group.backup_id(),
             timestamp,
-            if keep { "keep" } else { "remove" },
+            if keep { if protected { "keep (protected)" } else { "keep" } } else { "remove" },
         );
 
         worker.log(msg);
@@ -900,6 +904,7 @@ pub fn prune(
             "backup-id": group.backup_id(),
             "backup-time": backup_time,
             "keep": keep,
+            "protected": protected,
         }));
 
         if !(dry_run || keep) {
diff --git a/src/server/prune_job.rs b/src/server/prune_job.rs
index 2ea8b713..bfe2bd9e 100644
--- a/src/server/prune_job.rs
+++ b/src/server/prune_job.rs
@@ -66,12 +66,12 @@ pub fn prune_datastore(
             group.backup_id()
         );
 
-        for (info, mut keep) in prune_info {
+        for (info, mut keep, protected) in prune_info {
             if keep_all { keep = true; }
             task_log!(
                 worker,
                 "{} {}/{}/{}",
-                if keep { "keep" } else { "remove" },
+                if keep { if protected { "keep (protected)" } else { "keep" } } else { "remove" },
                 group.backup_type(),
                 group.backup_id(),
                 info.backup_dir.backup_time_string()
-- 
2.30.2