[pbs-devel] [PATCH proxmox-backup v9 03/26] pbs-api-types: add backing-device to DataStoreConfig

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

Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
---
 pbs-api-types/src/datastore.rs | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/pbs-api-types/src/datastore.rs b/pbs-api-types/src/datastore.rs
index 2eb3741a..ecc237ff 100644
--- a/pbs-api-types/src/datastore.rs
+++ b/pbs-api-types/src/datastore.rs
@@ -160,6 +160,9 @@ pub const PRUNE_SCHEMA_KEEP_YEARLY: Schema =
         .minimum(1)
         .schema();
 
+/// Base directory where datastores are mounted
+pub const DATASTORE_MOUNT_DIR: &str = "/mnt/datastore";
+
 #[api]
 #[derive(Debug, Default, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
@@ -273,6 +276,12 @@ pub const DATASTORE_TUNING_STRING_SCHEMA: Schema = StringSchema::new("Datastore
             format: &ApiStringFormat::PropertyString(&MaintenanceMode::API_SCHEMA),
             type: String,
         },
+        "backing-device": {
+            description: "The UUID of the filesystem partition for removable datastores.",
+            optional: true,
+            format: &proxmox_schema::api_types::UUID_FORMAT,
+            type: String,
+        }
     }
 )]
 #[derive(Serialize, Deserialize, Updater, Clone, PartialEq)]
@@ -316,6 +325,11 @@ pub struct DataStoreConfig {
     /// Maintenance mode, type is either 'offline' or 'read-only', message should be enclosed in "
     #[serde(skip_serializing_if = "Option::is_none")]
     pub maintenance_mode: Option<String>,
+
+    /// The UUID of the device(for removable datastores)
+    #[updater(skip)]
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub backing_device: Option<String>,
 }
 
 impl DataStoreConfig {
@@ -332,12 +346,23 @@ impl DataStoreConfig {
             notify: None,
             tuning: None,
             maintenance_mode: None,
+            backing_device: None,
         }
     }
 
     /// Returns the absolute path to the datastore content.
     pub fn absolute_path(&self) -> String {
-        self.path.clone()
+        if let Some(mount_point) = self.get_mount_point() {
+            format!("{mount_point}/{}", self.path.trim_matches('/'))
+        } else {
+            self.path.clone()
+        }
+    }
+
+    pub fn get_mount_point(&self) -> Option<String> {
+        self.backing_device
+            .as_ref()
+            .map(|_| format!("{DATASTORE_MOUNT_DIR}/{}", self.name))
     }
 
     pub fn get_maintenance_mode(&self) -> Option<MaintenanceMode> {
-- 
2.39.2



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