[pbs-devel] [PATCH proxmox-backup v14 01/25] pbs-api-types: add backing-device to DataStoreConfig

[Fabian Grünbichler]

On November 22, 2024 3:46 pm, Hannes Laimer wrote:
> Signed-off-by: Hannes Laimer <h.laimer at proxmox.com>
> ---
> changes since v13:
>  * drop get_mount_point
>  * update DATASTORE_DIR_NAME_SCHAME description

but you didn't just change the description, this also changed semantics
quite a bit? in v13, it was a relative path for removable datastores
(which makes a lot of sense - the "path" is the subdir on the mounted
device). could we go back to that please?

> 
>  pbs-api-types/src/datastore.rs | 25 ++++++++++++++++++++++---
>  1 file changed, 22 insertions(+), 3 deletions(-)
> 
> diff --git a/pbs-api-types/src/datastore.rs b/pbs-api-types/src/datastore.rs
> index 711051d05..b722c9ab7 100644
> --- a/pbs-api-types/src/datastore.rs
> +++ b/pbs-api-types/src/datastore.rs
> @@ -45,7 +45,7 @@ const_regex! {
>  
>  pub const CHUNK_DIGEST_FORMAT: ApiStringFormat = ApiStringFormat::Pattern(&SHA256_HEX_REGEX);
>  
> -pub const DIR_NAME_SCHEMA: Schema = StringSchema::new("Directory name")
> +pub const DATASTORE_DIR_NAME_SCHEMA: Schema = StringSchema::new("Either the absolute path to the datastore directory, or an absolute on-device path for removable datastores.")

because an "absolute on-device path" is an oxymoron and confusing..

>      .min_length(1)
>      .max_length(4096)
>      .schema();
> @@ -163,6 +163,9 @@ 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")]
> @@ -237,7 +240,7 @@ pub const DATASTORE_TUNING_STRING_SCHEMA: Schema = StringSchema::new("Datastore
>              schema: DATASTORE_SCHEMA,
>          },
>          path: {
> -            schema: DIR_NAME_SCHEMA,
> +            schema: DATASTORE_DIR_NAME_SCHEMA,
>          },
>          "notify-user": {
>              optional: true,
> @@ -276,6 +279,12 @@ 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)]
> @@ -323,6 +332,11 @@ 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>,
>  }
>  
>  #[api]
> @@ -357,12 +371,17 @@ impl DataStoreConfig {
>              notification_mode: 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 self.backing_device.is_some() {
> +            format!("{DATASTORE_MOUNT_DIR}/{}", self.name)
> +        } else {
> +            self.path.clone()
> +        }
>      }
>  
>      pub fn get_maintenance_mode(&self) -> Option<MaintenanceMode> {
> -- 
> 2.39.5
> 
> 
> 
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