nevcohen commented on code in PR #40757:
URL: https://github.com/apache/airflow/pull/40757#discussion_r1680492196
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airflow/providers/apache/spark/hooks/spark_submit.py:
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@@ -281,10 +310,57 @@ def _resolve_connection(self) -> dict[str, Any]:
def get_conn(self) -> Any:
pass
+ def _get_keytab_from_base64(self, base64_keytab: str, principal: str |
None) -> str:
+ _uuid = uuid.uuid4()
+ temp_dir_path = Path(tempfile.gettempdir()).resolve()
+ temp_file_name = f"airflow_keytab-{principal or _uuid}"
+
+ keytab_path = temp_dir_path / temp_file_name
+ staging_path = temp_dir_path / f".{temp_file_name}.{_uuid}"
+
+ try:
+ keytab = base64.b64decode(base64_keytab)
+ except Exception as err:
+ self.log.error("Failed to decode base64 keytab: %s", err)
+ raise AirflowException("Failed to decode base64 keytab") from err
+
+ # validate exists keytab file
+ if keytab_path.exists():
Review Comment:
Got it, so maybe just add to the comment `#write new keytab file`, why
you're creating a new keytab.
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