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Subject: Re: [pbs-devel] [PATCH proxmox-backup v13 23/26] api: node: include
 removable datastores in directory list
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On November 13, 2024 4:00 pm, Hannes Laimer wrote:
> Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
> ---
>  src/api2/node/disks/directory.rs | 29 ++++++++++++++++++++++++++++-
>  1 file changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/src/api2/node/disks/directory.rs b/src/api2/node/disks/directory.rs
> index 7e020e27..21d2bcc4 100644
> --- a/src/api2/node/disks/directory.rs
> +++ b/src/api2/node/disks/directory.rs
> @@ -45,6 +45,8 @@ pub struct DatastoreMountInfo {
>      pub path: String,
>      /// The mounted device.
>      pub device: String,
> +    /// This is removable
> +    pub removable: bool,
>      /// File system type
>      pub filesystem: Option<String>,
>      /// Mount options
> @@ -61,7 +63,7 @@ pub struct DatastoreMountInfo {
>          }
>      },
>      returns: {
> -        description: "List of systemd datastore mount units.",
> +        description: "List of removable-datastore devices and systemd datastore mount units.",
>          type: Array,
>          items: {
>              type: DatastoreMountInfo,
> @@ -100,6 +102,31 @@ pub fn list_datastore_mounts() -> Result<Vec<DatastoreMountInfo>, Error> {
>              path: data.Where,
>              filesystem: data.Type,
>              options: data.Options,
> +            removable: false,
> +        });
> +    }
> +
> +    let (config, _digest) = pbs_config::datastore::config()?;
> +    let store_list: Vec<DataStoreConfig> = config.convert_to_typed_array("datastore")?;
> +
> +    for item in store_list
> +        .into_iter()
> +        .filter(|store| store.backing_device.is_some())
> +    {
> +        let Some(backing_device) = item.backing_device.as_deref() else {
> +            continue;
> +        };
> +        let Some(mount_point) = item.get_mount_point() else {
> +            continue;
> +        };

this is redundant, get_mount_point will only return Some if there's a
backing_device.. in fact, I think we can remove the get_mount_point fn
entirely, and always check for backing_device (absolute_path will then
return the mountpoint..)

there's only a few places (beside this) where we only look at
get_mount_point, and those can easily be adapted to make backing_device()
*the* single way to check if a datastore is a removable one, which makes
reasoning a lot easier..

> +        list.push(DatastoreMountInfo {
> +            unitfile: "datastore config".to_string(),
> +            name: item.name.clone(),
> +            device: format!("/dev/disk/by-uuid/{backing_device}"),
> +            path: mount_point,
> +            filesystem: None,
> +            options: None,
> +            removable: true,
>          });
>      }
>  
> -- 
> 2.39.5
> 
> 
> 
> _______________________________________________
> pbs-devel mailing list
> pbs-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel
> 
> 
> 


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