topherinternational commented on code in PR #53821:
URL: https://github.com/apache/airflow/pull/53821#discussion_r2314172934
##########
providers/elasticsearch/src/airflow/providers/elasticsearch/log/es_task_handler.py:
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@@ -368,7 +396,19 @@ def _read(
# If we hit the end of the log, remove the actual end_of_log message
# to prevent it from showing in the UI.
def concat_logs(hits: list[Hit]) -> str:
- log_range = (len(hits) - 1) if hits[-1].message ==
self.end_of_log_mark else len(hits)
+ # In Airflow 2.x, the log record JSON has a "message" key, e.g.:
+ # {
+ # "message": "Dag name:dataset_consumes_1 queued_at:2025-08-12
15:05:57.703493+00:00",
+ # "offset": 1755011166339518208,
+ # "log_id":
"dataset_consumes_1-consuming_1-manual__2025-08-12T15:05:57.691303+00:00--1-1"
+ # }
+ #
+ # In Airflow 3.x, the "message" field is renamed to "event".
+ # We check the correct attribute depending on the Airflow major
version.
+ if AIRFLOW_V_3_0_PLUS:
+ log_range = (len(hits) - 1) if hits[-1].event ==
self.end_of_log_mark else len(hits)
Review Comment:
@Owen-CH-Leung the third scenario (Airflow 3 reading Airflow 2 logs) could
probably be tested perfectly well in the existing unit tests, will comment on
those lines in a moment.
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