修复 prefect中psql报错

prefect_inventory_scheduler.py

@@ -28,7 +28,19 @@ from prefect import flow, get_run_logger, task
 
 from inventory_analytics.logging_utils import exception_fields
 from inventory_analytics.channel_inventory_sync.entrypoint import main as channel_inventory_sync_main
+from inventory_analytics.channel_inventory_sync.entrypoint import LOG_FILE as CHANNEL_INVENTORY_SYNC_LOG_FILE
 from inventory_analytics.batch_inventory_report.cli import main as batch_inventory_report_main
+from inventory_analytics.batch_inventory_report.service import LOG_FILE as BATCH_INVENTORY_REPORT_LOG_FILE
+
+
+def read_log_tail(log_file: Path, line_count: int = 80) -> str:
+    try:
+        lines = log_file.read_text(encoding="utf-8", errors="replace").splitlines()
+    except FileNotFoundError:
+        return f"日志文件不存在: {log_file.name}"
+    except Exception as exc:  # noqa: BLE001
+        return f"读取日志文件失败: {exc.__class__.__name__}: {exc}"
+    return "\n".join(lines[-line_count:]) if lines else f"日志文件为空: {log_file.name}"
 
 
 @task(name="run-channel-inventory-sync")
@@ -58,6 +70,7 @@ def run_channel_inventory_sync_task() -> None:
         root_logger.setLevel(original_level)
     if exit_code != 0:
         logger.error("渠道库存统计失败，退出码=%s", exit_code)
+        logger.error("渠道库存统计日志尾部:\n%s", read_log_tail(CHANNEL_INVENTORY_SYNC_LOG_FILE))
         raise RuntimeError(f"渠道库存统计执行失败，退出码: {exit_code}")
     logger.info("渠道库存统计完成，耗时毫秒=%s", int((time.monotonic() - started_at) * 1000))
 
@@ -107,6 +120,7 @@ def run_batch_inventory_report_task(
         root_logger.setLevel(original_level)
     if exit_code != 0:
         logger.error("批次库存统计失败，退出码=%s", exit_code)
+        logger.error("批次库存统计日志尾部:\n%s", read_log_tail(BATCH_INVENTORY_REPORT_LOG_FILE))
         raise RuntimeError(f"批次库存统计报表执行失败，退出码: {exit_code}")
     logger.info("批次库存统计完成，耗时毫秒=%s", int((time.monotonic() - started_at) * 1000))