Add quota_region_override for quotas that report from us-east-1 onl…

…y (like s3 bucket count) (#48)

aws_quota/check/quota_check.py

@@ -35,6 +35,7 @@ class QuotaCheck:
     service_code: str = None
     quota_code: str = None
     quota_limit_override: int = None
+    quota_region_override: str = None
     warning_threshold: float = None
     error_threshold: float = None
     # retries are needed to handle rate limiting
@@ -45,12 +46,18 @@ def __init__(self, boto_session: boto3.Session) -> None:
         super().__init__()
 
         self.boto_session = boto_session
-        self.sq_client = boto_session.client('service-quotas', config=Config(
+        client_config = Config(
             retries = {
                 'max_attempts': self.retry_attempts,
                 'mode': 'standard'
             }
-        ))
+        )
+
+        client_region=None
+        if self.scope == QuotaScope.ACCOUNT and self.quota_region_override:
+            client_region = self.quota_region_override
+
+        self.sq_client = boto_session.client('service-quotas', config=client_config, region_name=client_region)
 
     def __str__(self) -> str:
         return f'{self.key}{self.label_values}'

aws_quota/check/s3.py

@@ -6,6 +6,7 @@ class BucketCountCheck(QuotaCheck):
     scope = QuotaScope.ACCOUNT
     service_code = 's3'
     quota_code = 'L-DC2B2D3D'
+    quota_region_override = 'us-east-1'
     description = "The number of Amazon S3 general purpose buckets that you can create in an account"
 
     @property