OpenSearch Service Serverless Update: Amazon OpenSearch Serverless collections support an additional attribute called standby-replicas. This allows to specify whether a collection should have redundancy enabled.

Author: AWS

.changes/next-release/feature-OpenSearchServiceServerless-12b52f5.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "OpenSearch Service Serverless",
+    "contributor": "",
+    "description": "Amazon OpenSearch Serverless collections support an additional attribute called standby-replicas. This allows to specify whether a collection should have redundancy enabled."
+}

services/opensearchserverless/src/main/resources/codegen-resources/endpoint-tests.json

@@ -308,6 +308,17 @@
             "expect": {
                 "error": "Invalid Configuration: Missing Region"
             }
+        },
+        {
+            "documentation": "Partition doesn't support DualStack",
+            "expect": {
+                "error": "DualStack is enabled but this partition does not support DualStack"
+            },
+            "params": {
+                "Region": "us-isob-east-1",
+                "UseFIPS": false,
+                "UseDualStack": true
+            }
         }
     ],
     "version": "1.0"

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

@@ -847,6 +847,10 @@
           "shape":"CollectionName",
           "documentation":"<p>The name of the collection.</p>"
         },
+        "standbyReplicas":{
+          "shape":"StandbyReplicas",
+          "documentation":"<p>Details about an OpenSearch Serverless collection.</p>"
+        },
         "status":{
           "shape":"CollectionStatus",
           "documentation":"<p>The current status of the collection.</p>"
@@ -1059,6 +1063,10 @@
           "shape":"CollectionName",
           "documentation":"<p>The name of the collection.</p>"
         },
+        "standbyReplicas":{
+          "shape":"StandbyReplicas",
+          "documentation":"<p>Creates details about an OpenSearch Serverless collection.</p>"
+        },
         "status":{
           "shape":"CollectionStatus",
           "documentation":"<p>The current status of the collection.</p>"
@@ -1087,6 +1095,10 @@
           "shape":"CollectionName",
           "documentation":"<p>Name of the collection.</p>"
         },
+        "standbyReplicas":{
+          "shape":"StandbyReplicas",
+          "documentation":"<p>Indicates whether standby replicas should be used for a collection.</p>"
+        },
         "tags":{
           "shape":"Tags",
           "documentation":"<p>An arbitrary set of tags (key–value pairs) to associate with the OpenSearch Serverless collection.</p>"
@@ -2407,6 +2419,13 @@
       "documentation":"<p>Thrown when you attempt to create more resources than the service allows based on service quotas.</p>",
       "exception":true
     },
+    "StandbyReplicas":{
+      "type":"string",
+      "enum":[
+        "ENABLED",
+        "DISABLED"
+      ]
+    },
     "String":{"type":"string"},
     "SubnetId":{
       "type":"string",