resctl-bench: upload: Check HTTP status code

We should check if the HTTP status code from the Lambda function is 200
OK. If not, print the whole response for debugging.

Signed-off-by: Christopher Obbard <[email protected]>

Author: obbardc

resctl-bench/src/main.rs

@@ -281,6 +281,12 @@ impl Program {
             .with_json(&request)?
             .send()?;
 
+        if response.status_code != 200 {
+            error!("Failed to submit benchmark: HTTP status code unexpected.");
+            error!("Lambda response: {:#?}", response);
+            std::process::exit(1);
+        }
+
         let response: LambdaResponse = serde_json::from_str(response.as_str()?)?;
         if response.issue.is_none() {
             if let Some(error_message) = response.error_message {