fix(azure_blob sink): Base Content-Type on encoder and not compression (vectordotdev#18184)

* content-type reflects non compressed encoding

* update tests

* Update src/sinks/azure_blob/integration_tests.rs

Good callout, yeah this slipped past me since that particular test is currently ignored.

Co-authored-by: Doug Smith <[email protected]>

* fix formatting

---------

Co-authored-by: Doug Smith <[email protected]>

Author: stemjacobs

src/sinks/azure_blob/integration_tests.rs

@@ -111,7 +111,11 @@ async fn azure_blob_insert_json_into_blob() {
     assert_eq!(blobs.len(), 1);
     assert!(blobs[0].clone().ends_with(".log"));
     let (blob, blob_lines) = config.get_blob(blobs[0].clone()).await;
-    assert_eq!(blob.properties.content_type, String::from("text/plain"));
+    assert_eq!(blob.properties.content_encoding, None);
+    assert_eq!(
+        blob.properties.content_type,
+        String::from("application/x-ndjson")
+    );
     let expected = events
         .iter()
         .map(|event| serde_json::to_string(&event.as_log().all_fields().unwrap()).unwrap())
@@ -138,10 +142,8 @@ async fn azure_blob_insert_lines_into_blob_gzip() {
     assert_eq!(blobs.len(), 1);
     assert!(blobs[0].clone().ends_with(".log.gz"));
     let (blob, blob_lines) = config.get_blob(blobs[0].clone()).await;
-    assert_eq!(
-        blob.properties.content_type,
-        String::from("application/gzip")
-    );
+    assert_eq!(blob.properties.content_encoding, Some(String::from("gzip")));
+    assert_eq!(blob.properties.content_type, String::from("text/plain"));
     assert_eq!(lines, blob_lines);
 }
 
@@ -170,9 +172,10 @@ async fn azure_blob_insert_json_into_blob_gzip() {
     assert_eq!(blobs.len(), 1);
     assert!(blobs[0].clone().ends_with(".log.gz"));
     let (blob, blob_lines) = config.get_blob(blobs[0].clone()).await;
+    assert_eq!(blob.properties.content_encoding, Some(String::from("gzip")));
     assert_eq!(
         blob.properties.content_type,
-        String::from("application/gzip")
+        String::from("application/x-ndjson")
     );
     let expected = events
         .iter()

src/sinks/azure_blob/request_builder.rs

@@ -93,20 +93,9 @@ impl RequestBuilder<(String, Vec<Event>)> for AzureBlobRequestOptions {
         AzureBlobRequest {
             blob_data,
             content_encoding: self.compression.content_encoding(),
-            content_type: self.compression.content_type(),
+            content_type: self.encoder.1.content_type(),
             metadata: azure_metadata,
             request_metadata,
         }
     }
 }
-
-impl Compression {
-    pub const fn content_type(self) -> &'static str {
-        match self {
-            Self::None => "text/plain",
-            Self::Gzip(_) => "application/gzip",
-            Self::Zlib(_) => "application/zlib",
-            Self::Zstd(_) => "application/zstd",
-        }
-    }
-}

src/sinks/azure_blob/test.rs

@@ -129,7 +129,7 @@ fn azure_blob_build_request_with_compression() {
 
     assert_eq!(request.metadata.partition_key, "blob.log.gz".to_string());
     assert_eq!(request.content_encoding, Some("gzip"));
-    assert_eq!(request.content_type, "application/gzip");
+    assert_eq!(request.content_type, "text/plain");
 }
 
 #[test]