Merge pull request #14 from rhythmictech/update_instcount

updating account monitoring module lambda es check

Author: jjduverge

lambda/monitor_service_quotas/es_checks.py

@@ -32,7 +32,7 @@ def get_usage(self, region, quota_name):
             for domain in response['DomainNames']:
                 domain_name = domain['DomainName']
                 domain_config = es.describe_elasticsearch_domain_config(DomainName=domain_name)
-                instance_count = domain_config['DomainConfig']['ElasticsearchClusterConfig']['InstanceCount']
+                instance_count = domain_config['DomainConfig']['ElasticsearchClusterConfig'].get('InstanceCount', 0)
                 max_instances = max(max_instances, instance_count)
 
             next_token = response.get('NextToken')