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backend/src/storage.rs

@@ -27,6 +27,8 @@ pub trait ObjectStorage: Send + Sync + 'static {
 
     async fn get_object(&self, key: &str) -> Result<Vec<u8>>;
 
+    async fn get_object_range(&self, key: &str, start: u64, end: Option<u64>) -> Result<Vec<u8>>;
+
     async fn delete_object(&self, key: &str) -> Result<()>;
 }
 
@@ -104,6 +106,15 @@ impl ObjectStorage for S3Storage {
         Ok(data.into_bytes().to_vec())
     }
 
+    async fn get_object_range(&self, key: &str, start: u64, end: Option<u64>) -> Result<Vec<u8>> {
+        let data = self
+            .bucket
+            .get_object_range(key, start, end)
+            .await
+            .context("failed to download ranged object from S3")?;
+        Ok(data.into_bytes().to_vec())
+    }
+
     async fn delete_object(&self, key: &str) -> Result<()> {
         self.bucket
             .delete_object(key)
@@ -167,6 +178,16 @@ impl TenantStorage {
         self.inner.get_object(&qualified).await
     }
 
+    pub async fn get_object_range(
+        &self,
+        key: &str,
+        start: u64,
+        end: Option<u64>,
+    ) -> Result<Vec<u8>> {
+        let qualified = self.qualify(key);
+        self.inner.get_object_range(&qualified, start, end).await
+    }
+
     pub async fn delete_object(&self, key: &str) -> Result<()> {
         let qualified = self.qualify(key);
         self.inner.delete_object(&qualified).await