[refactor] Simplify container log output formatting and logging

Author: charlieyl

python/fedml/computing/scheduler/model_scheduler/device_model_deployment.py

@@ -360,16 +360,12 @@ def log_deployment_output(end_point_id, model_id, cmd_container_name, cmd_type,
                 if err_logs is not None:
                     err_logs = sys_utils.decode_our_err_result(err_logs)
                     if len(err_logs) > 0:
-                        logging.info("[-- Container Error Logs Start --]")
-                        logging.error(f"{format(err_logs)}")
-                        logging.info("[-- Container Error Logs End --]")
+                        logging.error(f"[-- Container Error Logs Start --]\n{format(err_logs)}\n[-- Container Error Logs End --]")
 
                 if out_logs is not None:
                     out_logs = sys_utils.decode_our_err_result(out_logs)
                     if len(out_logs) > 0:
-                        logging.info("[-- Container Stdout Logs Start --]")
-                        logging.info(f"{format(out_logs)}")
-                        logging.info("[-- Container Stdout Logs End --]")
+                        logging.info(f"[-- Container Stdout Logs Start --]\n{format(out_logs)}\n[-- Container Stdout Logs End --]")
 
                 if container_obj.status == "exited":
                     logging.info("Container {} has exited, automatically remove it".format(cmd_container_name))
@@ -383,7 +379,7 @@ def log_deployment_output(end_point_id, model_id, cmd_container_name, cmd_type,
                                     raw_logs = f.readlines()
                                     out_logs = '\n'.join([line for line in raw_logs if '"stream":"stdout"' in line])
                                     err_logs = '\n'.join([line for line in raw_logs if '"stream":"stderr"' in line])
-                                logging.info(f"read Container Error Logs from log file: {err_logs}")
+                                logging.error(f"read Container Error Logs from log file: {err_logs}")
                         except Exception as e:
                             logging.warning(f"Failed to read logs from filesystem: {str(e)}")