minio connection log

pkg/ai_summarizer/storage_logging.go

@@ -0,0 +1,45 @@
+package ai_summarizer
+
+import (
+	"errors"
+	"fmt"
+)
+
+// logMinIOFailure records a structured log for a MinIO error and returns a wrapped
+// error suitable for callers (connection issues include ErrMinIOUnavailable).
+func (s *StorageClient) logMinIOFailure(operation string, err error, fields map[string]interface{}) error {
+	if err == nil {
+		return nil
+	}
+	if fields == nil {
+		fields = make(map[string]interface{}, 4)
+	}
+	fields["endpoint"] = s.config.MinioEndpoint
+	fields["bucket"] = s.config.MinioBucket
+	fields["operation"] = operation
+	fields["error"] = err.Error()
+
+	switch {
+	case isMinioConnectionError(err):
+		fields["failure_type"] = "connection"
+		s.logger.Error("MinIO connection unavailable", fields)
+		return wrapMinIOError(err)
+	case errors.Is(err, ErrBucketNotFound):
+		fields["failure_type"] = "bucket_not_found"
+		s.logger.Error("MinIO bucket not found", fields)
+		return err
+	default:
+		fields["failure_type"] = "storage"
+		s.logger.Error("MinIO operation failed", fields)
+		return err
+	}
+}
+
+// logMinIOFailuref is like logMinIOFailure with a formatted message prefix on the error.
+func (s *StorageClient) logMinIOFailuref(operation string, err error, fields map[string]interface{}, format string, args ...interface{}) error {
+	if err == nil {
+		return nil
+	}
+	wrapped := fmt.Errorf(format+": %w", append(args, err)...)
+	return s.logMinIOFailure(operation, wrapped, fields)
+}