Show 0 TTL warning in background mode

Signed-off-by: Alessandro Passaro <alexpax@amazon.co.uk>
awslabs · Apr 18, 2024 · a49cd60 · a49cd60
1 parent 0ed6c46
commit a49cd60
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/mountpoint-s3/src/cli.rs b/mountpoint-s3/src/cli.rs
@@ -645,7 +645,12 @@ where
         }
     });
     if matches!(metadata_cache_ttl, TimeToLive::Duration(Duration::ZERO)) {
-        tracing::warn!("The '--metadata-ttl 0' setting is no longer supported, is now interpreted as 'minimal', and will be removed in a future release. Use '--metadata-ttl minimal' instead");
+        const ZERO_TTL_WARNING: &str = "The '--metadata-ttl 0' setting is no longer supported, is now interpreted as 'minimal', and will be removed in a future release. Use '--metadata-ttl minimal' instead";
+        tracing::warn!("{}", ZERO_TTL_WARNING);
+        if !args.foreground {
+            // Ensure warning is visible even when not redirecting logs to stdout.
+            eprintln!("{}", ZERO_TTL_WARNING);
+        }
         metadata_cache_ttl = TimeToLive::Minimal;
     }
     filesystem_config.cache_config = CacheConfig::new(metadata_cache_ttl);