Fixed logging

model_service/app.py

@@ -74,8 +74,19 @@ app.add_url_rule("/healthz", "healthcheck", view_func=lambda: health.run())
 if __name__ == "__main__":
     app.run(debug=True)
 else:
-    import logging
+    import os
 
-    gunicorn_logger = logging.getLogger('gunicorn.error')
-    app.logger.handlers = gunicorn_logger.handlers
-    app.logger.setLevel(gunicorn_logger.level)
+    if "gunicorn" in os.environ.get("SERVER_SOFTWARE", ""):
+        import logging
+
+        gunicorn_logger = logging.getLogger('gunicorn.error')
+        app.logger.handlers = gunicorn_logger.handlers
+        app.logger.setLevel(gunicorn_logger.level)
+
+        jaeger_logger = logging.getLogger('jaeger_tracing')
+        jaeger_logger.handlers = gunicorn_logger.handlers
+        jaeger_logger.setLevel(gunicorn_logger.level)
+
+        app.logger.info("Gunicorn environment detected!")
+    else:
+        app.logger.info("Not gunicorn")