Add aws_opensearchserverless_collection_group resource

Signed-off-by: Federico <github-fed-sv.unrigged670@passmail.com>

Author: fed-sv

config/externalname.go

@@ -170,6 +170,8 @@ var TerraformPluginFrameworkExternalNameConfigs = map[string]config.ExternalName
 	"aws_opensearchserverless_access_policy": config.NameAsIdentifier,
 	// Collection can be imported using the AWS-assigned collection ID. i.e. ch9rq91uv4yd8rff1f39
 	"aws_opensearchserverless_collection": opensearchserverlessCollection(),
+	// CollectionGroup can be imported using the AWS-assigned collection group ID
+	"aws_opensearchserverless_collection_group": opensearchserverlessCollectionGroup(),
 	// LifecyclePolicy can be imported using the policy name
 	"aws_opensearchserverless_lifecycle_policy": config.NameAsIdentifier,
 	//  SecurityConfig can be imported using the AWS-assigned security config ID
@@ -3217,6 +3219,18 @@ func opensearchserverlessCollection() config.ExternalName {
 	return e
 }
 
+func opensearchserverlessCollectionGroup() config.ExternalName {
+	e := config.IdentifierFromProvider
+	e.GetIDFn = func(ctx context.Context, externalName string, _ map[string]any, _ map[string]any) (string, error) {
+		// [a-z0-9]{3,40}
+		if len(externalName) == 0 {
+			return "stubcollectiongroup99", nil
+		}
+		return externalName, nil
+	}
+	return e
+}
+
 // PermissionSetIdAsExternalName uses the id of the permission set (ps-80383020jr9302rk) as the external name, with
 // the comma-separated pair permission_set_arn,instance_arn as the terraform id, when both arns are parameters and known
 // ahead of time.

examples/opensearchserverless/cluster/v1beta1/collectiongroup.yaml

@@ -0,0 +1,24 @@
+# SPDX-FileCopyrightText: 2025 The Crossplane Authors <https://crossplane.io>
+#
+# SPDX-License-Identifier: CC0-1.0
+
+apiVersion: opensearchserverless.aws.upbound.io/v1beta1
+kind: CollectionGroup
+metadata:
+  annotations:
+    meta.upbound.io/example-id: opensearchserverless/v1beta1/collectiongroup
+  labels:
+    testing.upbound.io/example-name: example
+  name: example
+spec:
+  forProvider:
+    capacityLimits:
+    - maxIndexingCapacityInOcu: 10
+      maxSearchCapacityInOcu: 10
+      minIndexingCapacityInOcu: 0
+      minSearchCapacityInOcu: 0
+    description: Scale-to-zero collection group
+    generation: NEXTGEN
+    name: example-group
+    region: us-west-1
+    standbyReplicas: ENABLED

examples/opensearchserverless/namespaced/v1beta1/collectiongroup.yaml

@@ -0,0 +1,25 @@
+# SPDX-FileCopyrightText: 2025 The Crossplane Authors <https://crossplane.io>
+#
+# SPDX-License-Identifier: CC0-1.0
+
+apiVersion: opensearchserverless.aws.m.upbound.io/v1beta1
+kind: CollectionGroup
+metadata:
+  annotations:
+    meta.upbound.io/example-id: opensearchserverless/v1beta1/collectiongroup
+  labels:
+    testing.upbound.io/example-name: example
+  name: example
+  namespace: upbound-system
+spec:
+  forProvider:
+    capacityLimits:
+    - maxIndexingCapacityInOcu: 10
+      maxSearchCapacityInOcu: 10
+      minIndexingCapacityInOcu: 0
+      minSearchCapacityInOcu: 0
+    description: Scale-to-zero collection group
+    generation: NEXTGEN
+    name: example-group
+    region: us-west-1
+    standbyReplicas: ENABLED