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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/04/17 01:05:43 UTC

[GitHub] [airflow] kaxil opened a new pull request #15414: Add Traceback in LogRecord in ``JSONFormatter``

kaxil opened a new pull request #15414:
URL: https://github.com/apache/airflow/pull/15414


   Currently traceback is not included when ``JSONFormatter`` is used.
   (`[logging] json_format = True`) . However, the default Handler
   includes the Stacktrace. To currently include the trace we need to
   add `json_fields = asctime, filename, lineno, levelname, message, exc_text`.
   
   This is a bigger problem when using Elasticsearch Logging with:
   
   ```ini
   [elasticsearch]
   write_stdout = True
   json_format = True
   json_fields = asctime, filename, lineno, levelname, message, exc_text
   
   [logging]
   log_format = [%(asctime)s] {%(filename)s:%(lineno)d} %(levelname)s - %(message)s - %(exc_text)s
   ```
   
   Running the following DAG with the above config won't show trace:
   
   ```python
   from airflow import DAG
   from airflow.operators.python import PythonOperator
   from airflow.utils.dates import days_ago
   
   with DAG(
       dag_id='example_error',
       schedule_interval=None,
       start_date=days_ago(2),
   ) as dag:
   
       def raise_error(**kwargs):
           raise Exception("I am an exception from task logs")
   
       task_1 = PythonOperator(
           task_id='task_1',
           python_callable=raise_error,
       )
   ```
   
   Before:
   
   ```
   [2021-04-17 00:11:00,152] {taskinstance.py:877} INFO - Dependencies all met for <TaskInstance: example_python_operator.print_the_context 2021-04-17T00:10:57.110189+00:00 [queued]>
   ...
   ...
   [2021-04-17 00:11:00,298] {taskinstance.py:1482} ERROR - Task failed with exception
   [2021-04-17 00:11:00,300] {taskinstance.py:1532} INFO - Marking task as FAILED. dag_id=example_python_operator, task_id=print_the_context, execution_date=20210417T001057, start_date=20210417T001100, end_date=20210417T001100
   [2021-04-17 00:11:00,325] {local_task_job.py:146} INFO - Task exited with return code 1
   ```
   
   After:
   
   ```
   [2021-04-17 00:11:00,152] {taskinstance.py:877} INFO - Dependencies all met for <TaskInstance: example_python_operator.print_the_context 2021-04-17T00:10:57.110189+00:00 [queued]>
   ...
   ...
   [2021-04-17 00:11:00,298] {taskinstance.py:1482} ERROR - Task failed with exception
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/airflow/models/taskinstance.py", line 1138, in _run_raw_task
       self._prepare_and_execute_task_with_callbacks(context, task)
     File "/usr/local/lib/python3.7/site-packages/airflow/models/taskinstance.py", line 1311, in _prepare_and_execute_task_with_callbacks
       result = self._execute_task(context, task_copy)
     File "/usr/local/lib/python3.7/site-packages/airflow/models/taskinstance.py", line 1341, in _execute_task
       result = task_copy.execute(context=context)
     File "/usr/local/lib/python3.7/site-packages/airflow/operators/python.py", line 117, in execute
       return_value = self.execute_callable()
     File "/usr/local/lib/python3.7/site-packages/airflow/operators/python.py", line 128, in execute_callable
       return self.python_callable(*self.op_args, **self.op_kwargs)
     File "/usr/local/airflow/dags/eg-2.py", line 25, in print_context
       raise Exception("I am an exception from task logs")
   Exception: I am an exception from task logs
   [2021-04-17 00:11:00,300] {taskinstance.py:1532} INFO - Marking task as FAILED. dag_id=example_python_operator, task_id=print_the_context, execution_date=20210417T001057, start_date=20210417T001100, end_date=20210417T001100
   [2021-04-17 00:11:00,325] {local_task_job.py:146} INFO - Task exited with return code 1
   ```
   
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[GitHub] [airflow] github-actions[bot] commented on pull request #15414: Add Traceback in LogRecord in ``JSONFormatter``

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #15414:
URL: https://github.com/apache/airflow/pull/15414#issuecomment-821853796


   The PR most likely needs to run full matrix of tests because it modifies parts of the core of Airflow. However, committers might decide to merge it quickly and take the risk. If they don't merge it quickly - please rebase it to the latest master at your convenience, or amend the last commit of the PR, and push it with --force-with-lease.


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[GitHub] [airflow] kaxil commented on a change in pull request #15414: Add Traceback in LogRecord in ``JSONFormatter``

Posted by GitBox <gi...@apache.org>.
kaxil commented on a change in pull request #15414:
URL: https://github.com/apache/airflow/pull/15414#discussion_r615183685



##########
File path: airflow/utils/log/json_formatter.py
##########
@@ -43,5 +43,16 @@ def usesTime(self):
     def format(self, record):
         super().format(record)
         record_dict = {label: getattr(record, label, None) for label in self.json_fields}
+        if "message" in self.json_fields:
+            msg = record_dict["message"]
+            if record.exc_text:
+                if msg[-1:] != "\n":
+                    msg = msg + "\n"
+                msg = msg + record.exc_text
+            if record.stack_info:
+                if msg[-1:] != "\n":
+                    msg = msg + "\n"
+                msg = msg + self.formatStack(record.stack_info)

Review comment:
       This is from https://github.com/python/cpython/blob/adf24bd835ed8f76dcc51aa98c8c54275e86965b/Lib/logging/__init__.py#L687-L694




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[GitHub] [airflow] kaxil merged pull request #15414: Add Traceback in LogRecord in ``JSONFormatter``

Posted by GitBox <gi...@apache.org>.
kaxil merged pull request #15414:
URL: https://github.com/apache/airflow/pull/15414


   


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