[AWSBaseActor] Respect boto3/AWS retry configurability (#522)

* [AWSBaseActor] Respect boto3/AWS retry configurability

* linter appeasement

kingpin/actors/aws/base.py

@@ -119,7 +119,8 @@ def __init__(self, *args, **kwargs):
         boto_config = botocore_config.Config(
             region_name=self.region,
             retries={
-                "mode": "adaptive",
+                "max_attempts": aws_settings.AWS_MAX_ATTEMPTS,
+                "mode": aws_settings.AWS_RETRY_MODE,
             },
         )
 

kingpin/actors/aws/settings.py

@@ -32,3 +32,12 @@
 AWS_ACCESS_KEY_ID = os.getenv("AWS_ACCESS_KEY_ID", None)
 AWS_SECRET_ACCESS_KEY = os.getenv("AWS_SECRET_ACCESS_KEY", None)
 AWS_SESSION_TOKEN = os.getenv("AWS_SESSION_TOKEN", None)
+
+# kingpin is pretty fast which can leads to API throttling. You can set you own
+# boto3 configuration by using the standard AWS env vars, but in the absence of
+# them, we try to set you some sane defaults based on the boto3 documentation
+# and our experience with running kingpin as scale.
+#
+# Docs: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/retries.html
+AWS_MAX_ATTEMPTS = os.getenv("AWS_MAX_ATTEMPTS", 10)
+AWS_RETRY_MODE = os.getenv("AWS_RETRY_MODE", "standard")