Amazon Elasticsearch Service Update: Feature: Support for three Availability Zone deployments

Author: AWS

.changes/next-release/feature-AmazonElasticsearchService-439c3c1.json

@@ -0,0 +1,5 @@
+{
+    "category": "Amazon Elasticsearch Service", 
+    "type": "feature", 
+    "description": "Feature: Support for three Availability Zone deployments"
+}

services/elasticsearch/src/main/resources/codegen-resources/service-2.json

@@ -982,6 +982,10 @@
           "shape":"Boolean",
           "documentation":"<p>A boolean value to indicate whether zone awareness is enabled. See <a href=\"http://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/es-managedomains.html#es-managedomains-zoneawareness\" target=\"_blank\">About Zone Awareness</a> for more information.</p>"
         },
+        "ZoneAwarenessConfig":{
+          "shape":"ZoneAwarenessConfig",
+          "documentation":"<p>Specifies the zone awareness configuration for a domain when zone awareness is enabled.</p>"
+        },
         "DedicatedMasterType":{
           "shape":"ESPartitionInstanceType",
           "documentation":"<p>The instance type for a dedicated master node.</p>"
@@ -2259,6 +2263,16 @@
         "gp2",
         "io1"
       ]
+    },
+    "ZoneAwarenessConfig":{
+      "type":"structure",
+      "members":{
+        "AvailabilityZoneCount":{
+          "shape":"IntegerClass",
+          "documentation":"<p>An integer value to indicate the number of availability zones for a domain when zone awareness is enabled. This should be equal to number of subnets if VPC endpoints is enabled</p>"
+        }
+      },
+      "documentation":"<p>Specifies the zone awareness configuration for the domain cluster, such as the number of availability zones.</p>"
     }
   },
   "documentation":"<fullname>Amazon Elasticsearch Configuration Service</fullname> <p>Use the Amazon Elasticsearch configuration API to create, configure, and manage Elasticsearch domains.</p> <p>The endpoint for configuration service requests is region-specific: es.<i>region</i>.amazonaws.com. For example, es.us-east-1.amazonaws.com. For a current list of supported regions and endpoints, see <a href=\"http://docs.aws.amazon.com/general/latest/gr/rande.html#elasticsearch-service-regions\" target=\"_blank\">Regions and Endpoints</a>.</p>"