[pbs-devel] [PATCH proxmox] s3-client: make storage class in list objects v2 response optional

[Christian Ebner <c.ebner@proxmox.com>]

Some providers (e.g. Google cloud) do not include the storage class
field in list objects v2 responses.

Make the storage field optional, so response parsing does not fail if
it is absent.

Since the PBS S3 backend does not use this field, and is currently
the only user of the crate, no further code adaptions are necessary.

Reported-by: https://forum.proxmox.com/threads/173256/
Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 proxmox-s3-client/src/response_reader.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/proxmox-s3-client/src/response_reader.rs b/proxmox-s3-client/src/response_reader.rs
index afe501d5..bc01db6a 100644
--- a/proxmox-s3-client/src/response_reader.rs
+++ b/proxmox-s3-client/src/response_reader.rs
@@ -92,7 +92,7 @@ pub struct ListObjectsV2Contents {
     /// Content size of object.
     pub size: u64,
     /// Storage class the object is stored on.
-    pub storage_class: String,
+    pub storage_class: Option<String>,
 }
 
 #[derive(Debug)]
@@ -563,14 +563,14 @@ fn parse_list_objects_v2_response_test() {
                 last_modified: LastModifiedTimestamp::from_str("2011-02-26T01:56:20.000Z").unwrap(),
                 e_tag: "\"bf1d737a4d46a19f3bced6905cc8b902\"".to_string(),
                 size: 10,
-                storage_class: "STANDARD".to_string(),
+                storage_class: Some("STANDARD".to_string()),
             },
             ListObjectsV2Contents {
                 key: S3ObjectKey::try_from("/.cnt/key1").unwrap(),
                 last_modified: LastModifiedTimestamp::from_str("2011-02-26T01:56:20.000Z").unwrap(),
                 e_tag: "\"9b2cf535f27731c974343645a3985328\"".to_string(),
                 size: 20,
-                storage_class: "STANDARD".to_string(),
+                storage_class: Some("STANDARD".to_string()),
             },
         ]
     );
-- 
2.47.3



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