[IT-3506] Address lambda timeout issue from 2024-03-02

email_totals/ce.py

@@ -2,14 +2,22 @@
 from datetime import datetime, timedelta
 
 import boto3
+from botocore.config import Config as BotoConfig
+
 
 LOG = logging.getLogger(__name__)
 LOG.setLevel(logging.DEBUG)
 
-ce_client = boto3.client('ce')
-
 cost_metric = 'NetAmortizedCost'
 
+# Use adaptive mode in an attempt to optimize retry back-off
+ce_config = BotoConfig(
+    retries = {
+        'mode': 'adaptive',  # default mode is legacy
+    }
+)
+ce_client = boto3.client('ce', config=ce_config)
+
 # get_cost_and_usage_with_resources() can only look back at most 14 days,
 # but we only need current resources missing tags, so hard-code the period
 # to be yesterday; store it in a global variable to avoid recalculating it

email_totals/ses.py

@@ -462,11 +462,6 @@ def send_email(recipients, subject, body_html, body_text):
             Source=sender,
         )
 
-        # We need to rate limit our calls to 'send_email', our current SES
-        # quota allows for sending 14 emails per second, sleep for 72ms after
-        # each call to send a maximum of 14 emails in 1008ms.
-        time.sleep(0.072)
-
     # Display an error if something goes wrong.
     except ClientError as e:
         LOG.exception(e)

template.yaml

@@ -63,7 +63,7 @@ Parameters:
 # More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
 Globals:
   Function:
-    Timeout: 60
+    Timeout: 120
 
 Resources:
 #lambda execution role config