completed implementation

zappa/cli.py

@@ -1063,10 +1063,10 @@ def update(self, source_zip=None, no_upload=False, docker_image_uri=None):
 
         # Set the cloudwatch retention days if specified in config.
         # (default is to never delete cloudwatch logs, which can become expensive over time.)
-        cloudwatch_retention_days = self.stage_config.get("cloudwatch_retention_days",False)
-        if cloudwatch_retention_days:
-            log_group_name = '/aws/lambda/' + conf['project_name'] + name
-            self.zappa.set_cloudwatch_log_retention(log_group_name, int(cloudwatch_retention_days))
+        cloudwatch_retention_days = self.stage_config.get("cloudwatch_retention_days",None)
+        if cloudwatch_retention_days is not None:
+            log_group_name = '/aws/lambda/' + self.project_name + self.api_stage
+            self.zappa.set_cloudwatch_retention_days(log_group_name, int(cloudwatch_retention_days))
 
         # Finally, delete the local copy our zip package
         if not source_zip and not no_upload and not docker_image_uri: