[pbs-devel] [PATCH proxmox-backup v13 04/26] maintenance: add 'Unmount' maintenance type

[Hannes Laimer <h.laimer@proxmox.com>]

From: Dietmar Maurer <dietmar@proxmox.com>

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
---
I don't remember exactly, but ITRC this is only part of Dietmar's
original patch. Not sure if S-o by me makes sense in that case.

 pbs-api-types/src/datastore.rs   | 3 +++
 pbs-api-types/src/maintenance.rs | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/pbs-api-types/src/datastore.rs b/pbs-api-types/src/datastore.rs
index f6c255d3..888f5d5b 100644
--- a/pbs-api-types/src/datastore.rs
+++ b/pbs-api-types/src/datastore.rs
@@ -404,6 +404,9 @@ impl DataStoreConfig {
         match current_type {
             Some(MaintenanceType::ReadOnly) => { /* always OK  */ }
             Some(MaintenanceType::Offline) => { /* always OK  */ }
+            Some(MaintenanceType::Unmount) => {
+                bail!("datastore is being unmounted");
+            }
             Some(MaintenanceType::Delete) => {
                 match new_type {
                     Some(MaintenanceType::Delete) => { /* allow to delete a deleted storage */ }
diff --git a/pbs-api-types/src/maintenance.rs b/pbs-api-types/src/maintenance.rs
index 1e3413dc..fd4d3416 100644
--- a/pbs-api-types/src/maintenance.rs
+++ b/pbs-api-types/src/maintenance.rs
@@ -38,7 +38,6 @@ pub enum Operation {
 /// Maintenance type.
 pub enum MaintenanceType {
     // TODO:
-    //  - Add "unmounting" once we got pluggable datastores
     //  - Add "GarbageCollection" or "DeleteOnly" as type and track GC (or all deletes) as separate
     //    operation, so that one can enable a mode where nothing new can be added but stuff can be
     //    cleaned
@@ -48,6 +47,8 @@ pub enum MaintenanceType {
     Offline,
     /// The datastore is being deleted.
     Delete,
+    /// The (removable) datastore is being unmounted.
+    Unmount,
 }
 serde_plain::derive_display_from_serialize!(MaintenanceType);
 serde_plain::derive_fromstr_from_deserialize!(MaintenanceType);
@@ -94,6 +95,8 @@ impl MaintenanceMode {
 
         if let Some(Operation::Lookup) = operation {
             return Ok(());
+        } else if self.ty == MaintenanceType::Unmount {
+            bail!("datastore is being unmounted");
         } else if self.ty == MaintenanceType::Offline {
             bail!("offline maintenance mode: {}", message);
         } else if self.ty == MaintenanceType::ReadOnly {
-- 
2.39.5



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