ashb commented on a change in pull request #6722: [AIRFLOW-4922]Fix task get
log by Web UI
URL: https://github.com/apache/airflow/pull/6722#discussion_r360437500
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File path: airflow/utils/log/file_task_handler.py
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@@ -81,6 +82,34 @@ def _render_filename(self, ti, try_number):
execution_date=ti.execution_date.isoformat(),
try_number=try_number)
+ @provide_session
+ def query_task_hostname(self, ti, try_number, session=None):
+ """
+ Get task log hostname by log table and try_number
+
+ :param ti: task instance record
+ :param try_number: current try_number to read log from
+ :param session: database session
+ :type session: sqlalchemy.orm.session.Session
+ :return: log message hostname
+ """
+ from airflow import models
+ res_log = session.query(models.Log).filter(
+ models.Log.dag_id == ti.dag_id,
+ models.Log.task_id == ti.task_id,
+ models.Log.execution_date == ti.execution_date,
+ models.Log.owner != 'anonymous',
+ models.Log.event == 'cli_run',
+ models.Log.extra.like('%--raw%')
+ ).order_by(models.Log.id).limit(1).offset(try_number - 1).first()
Review comment:
Which cases is this needed in? This seems like an awful lot of conditions
here.
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