fix: add new partition to arn generation (#3574)

Author: aaythapa

samtranslator/translator/arn_generator.py

@@ -23,15 +23,12 @@ def _region_to_partition(region: str) -> str:
         "us-isob": "aws-iso-b",
         "us-gov": "aws-us-gov",
         "eu-isoe": "aws-iso-e",
+        "us-isof": "aws-iso-f",
     }
     for key, value in region_to_partition_map.items():
         if region_string.startswith(key):
             return value
 
-    # Using the ${AWS::Partition} placeholder so that we don't have to add new regions to the static list above
-    if "iso" in region_string:
-        return "${AWS::Partition}"
-
     return "aws"
 
 

tests/translator/test_arn_generator.py

@@ -17,7 +17,7 @@ def setUp(self):
             ("us-isob-east-1", "aws-iso-b"),
             ("eu-isoe-west-1", "aws-iso-e"),
             ("US-EAST-1", "aws"),
-            ("us-isof-east-1", "${AWS::Partition}"),
+            ("us-isof-east-1", "aws-iso-f"),
         ]
     )
     def test_get_partition_name(self, region, expected):