fix for issue #68 remove inits from cold start

handler.py

@@ -21,21 +21,25 @@
 print("boto3 version: ",boto3.__version__)
 
 # query active health API endpoint
-health_dns = socket.gethostbyname_ex('global.health.amazonaws.com')
-(current_endpoint, global_endpoint, ip_endpoint) = health_dns
-health_active_list = current_endpoint.split('.')
-health_active_region = health_active_list[1]
-print("current health region: ", health_active_region)
-
-# create a boto3 health client w/ backoff/retry
-config = Config(
-    region_name=health_active_region,
-    retries=dict(
-        max_attempts=10  # org view apis have a lower tps than the single
-        # account apis so we need to use larger
-        # backoff/retry values than than the boto defaults
+def get_health_active_region():
+    health_dns = socket.gethostbyname_ex('global.health.amazonaws.com')
+    (current_endpoint, global_endpoint, ip_endpoint) = health_dns
+    health_active_list = current_endpoint.split('.')
+    health_active_region = health_active_list[1]
+    print("current health region: ", health_active_region)
+    return health_active_region
+
+def create_config_file():
+    # create a boto3 health client w/ backoff/retry
+    config = Config(
+        region_name=get_health_active_region(),
+        retries=dict(
+            max_attempts=10  # org view apis have a lower tps than the single
+            # account apis so we need to use larger
+            # backoff/retry values than than the boto defaults
+        )
     )
-)
+    return config
 
 # TODO decide if account_name should be blank on error
 # Get Account Name 
@@ -871,14 +875,14 @@ def get_sts_token(service):
         # create service client using the assumed role credentials, e.g. S3
         boto3_client = boto3.client(
           service,
-          config=config,
+          config=create_config_file(),
           aws_access_key_id=ACCESS_KEY,
           aws_secret_access_key=SECRET_KEY,
           aws_session_token=SESSION_TOKEN,
         )
         print("Running in member account deployment mode")
     else:
-        boto3_client = boto3.client(service, config=config)
+        boto3_client = boto3.client(service, config=create_config_file())
         print("Running in management account deployment mode")
 
     return boto3_client
@@ -900,4 +904,4 @@ def main(event, context):
         describe_org_events(health_client)
 
 if __name__ == "__main__":
-    main('', '')
+    main('', '')