Add ability for clients to send error log to server

docs/resources/log.config

@@ -21,7 +21,7 @@ args=(sys.stdout,)
 class=FileHandler
 level=ERROR
 formatter=fullFormatter
-args=('error.log', 'a')
+args=('error_log.txt', 'a')
 
 [formatter_fullFormatter]
 format=%(asctime)s - %(name)s - %(levelname)s - %(message)s

nvflare/apis/fl_constant.py

@@ -376,6 +376,7 @@ class WorkspaceConstants:
     DEFAULT_LOGGING_CONFIG = LOGGING_CONFIG + ".default"
     AUDIT_LOG = "audit.log"
     LOG_FILE_NAME = "log.txt"
+    ERROR_LOG_FILE_NAME = "error_log.txt"
     STATS_POOL_SUMMARY_FILE_NAME = "stats_pool_summary.json"
     STATS_POOL_RECORDS_FILE_NAME = "stats_pool_records.csv"
 

nvflare/apis/workspace.py

@@ -153,6 +153,9 @@ def get_app_dir(self, job_id: str) -> str:
     def get_app_log_file_path(self, job_id: str) -> str:
         return os.path.join(self.get_run_dir(job_id), WorkspaceConstants.LOG_FILE_NAME)
 
+    def get_app_error_log_file_path(self, job_id: str) -> str:
+        return os.path.join(self.get_run_dir(job_id), WorkspaceConstants.ERROR_LOG_FILE_NAME)
+
     def get_app_config_dir(self, job_id: str) -> str:
         return os.path.join(self.get_app_dir(job_id), self.config_folder)
 

nvflare/private/fed/app/simulator/log.config

@@ -21,7 +21,7 @@ args=(sys.stdout,)
 class=FileHandler
 level=ERROR
 formatter=fullFormatter
-args=('error.log', 'a')
+args=('error_log.txt', 'a')
 
 [formatter_fullFormatter]
 format=%(asctime)s - %(name)s - %(levelname)s - %(message)s

nvflare/private/fed/client/client_executor.py

@@ -179,7 +179,7 @@ def start_app(
 
         thread = threading.Thread(
             target=self._wait_child_process_finish,
-            args=(client, job_id, allocated_resource, token, resource_manager, args.workspace),
+            args=(client, job_id, allocated_resource, token, resource_manager, args.workspace, fl_ctx),
         )
         thread.start()
 
@@ -384,7 +384,9 @@ def abort_task(self, job_id):
             )
             self.logger.debug("abort_task sent")
 
-    def _wait_child_process_finish(self, client, job_id, allocated_resource, token, resource_manager, workspace):
+    def _wait_child_process_finish(
+        self, client, job_id, allocated_resource, token, resource_manager, workspace, fl_ctx
+    ):
         self.logger.info(f"run ({job_id}): waiting for child worker process to finish.")
         job_handle = self.run_processes.get(job_id, {}).get(RunProcessKey.JOB_HANDLE)
         if job_handle:
@@ -393,6 +395,7 @@ def _wait_child_process_finish(self, client, job_id, allocated_resource, token,
             return_code = get_return_code(job_handle, job_id, workspace, self.logger)
 
             self.logger.info(f"run ({job_id}): child worker process finished with RC {return_code}")
+
             if return_code in [ProcessExitCode.UNSAFE_COMPONENT, ProcessExitCode.CONFIG_ERROR]:
                 request = new_cell_message(
                     headers={},
@@ -419,6 +422,11 @@ def _wait_child_process_finish(self, client, job_id, allocated_resource, token,
             self.run_processes.pop(job_id, None)
         self.logger.debug(f"run ({job_id}): child worker resources freed.")
 
+        engine = fl_ctx.get_engine()
+        fl_ctx.set_prop(FLContextKey.CURRENT_JOB_ID, job_id, private=True, sticky=False)
+        fl_ctx.set_prop(FLContextKey.CLIENT_NAME, client.client_name, private=True, sticky=False)
+        engine.fire_event(EventType.JOB_COMPLETED, fl_ctx)
+
     def get_status(self, job_id):
         process_status = self.run_processes.get(job_id, {}).get(RunProcessKey.STATUS, ClientStatus.STOPPED)
         return process_status

nvflare/private/fed/utils/fed_utils.py

@@ -65,7 +65,7 @@ def add_logfile_handler(log_file: str):
     The purpose for this is to handle dynamic log file locations.
 
     If a handler named errorFileHandler is found, it will be used as a template to
-    create a new handler for writing to the error.log file at the same directory as log_file.
+    create a new handler for writing to the error log file at the same directory as log_file.
     The original errorFileHandler will be removed and replaced by the new handler.
 
     Each log file will be rotated when it reaches 20MB.
@@ -90,7 +90,7 @@ def add_logfile_handler(log_file: str):
     if not configured_error_handler:
         return
 
-    error_log_file = os.path.join(os.path.dirname(log_file), "error.log")
+    error_log_file = os.path.join(os.path.dirname(log_file), WorkspaceConstants.ERROR_LOG_FILE_NAME)
     error_file_handler = RotatingFileHandler(error_log_file, maxBytes=20 * 1024 * 1024, backupCount=10)
     error_file_handler.setLevel(configured_error_handler.level)
     error_file_handler.setFormatter(configured_error_handler.formatter)