phanikumv commented on code in PR #32016:
URL: https://github.com/apache/airflow/pull/32016#discussion_r1235033593


##########
airflow/providers/snowflake/hooks/snowflake.py:
##########
@@ -216,7 +216,16 @@ def _get_conn_params(self) -> dict[str, str | None]:
                 "Please remove one."
             )
         elif private_key_file:
-            private_key_pem = Path(private_key_file).read_bytes()
+            private_key_file_path = Path(private_key_file)
+            if not private_key_file_path.is_file() or 
private_key_file_path.stat().st_size == 0:
+                raise ValueError(
+                    "The private_key_file path points to an empty or invalid 
file."
+                )
+            if private_key_file_path.stat().st_size > 4096:
+                raise ValueError(
+                    "File size of private_key_file is too big."

Review Comment:
   Let's also add a note in the docs about the size limitation.



##########
airflow/providers/snowflake/hooks/snowflake.py:
##########
@@ -216,7 +216,16 @@ def _get_conn_params(self) -> dict[str, str | None]:
                 "Please remove one."
             )
         elif private_key_file:
-            private_key_pem = Path(private_key_file).read_bytes()
+            private_key_file_path = Path(private_key_file)
+            if not private_key_file_path.is_file() or 
private_key_file_path.stat().st_size == 0:
+                raise ValueError(
+                    "The private_key_file path points to an empty or invalid 
file."
+                )
+            if private_key_file_path.stat().st_size > 4096:
+                raise ValueError(
+                    "File size of private_key_file is too big."

Review Comment:
   ```suggestion
                       "The private_key_file size is too big. Please keep it 
less than 4 KB"
   ```



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