provider/aws: route53 delegation set docs added

website/source/docs/providers/aws/r/route53_delegation_set.html.markdown

@@ -0,0 +1,44 @@
+---
+layout: "aws"
+page_title: "AWS: aws_route53_delegation_set"
+sidebar_current: "docs-aws-resource-route53-delegation-set"
+description: |-
+  Provides a Route53 Delegation Set resource.
+---
+
+# aws\_route53\_delegation_set
+
+Provides a [Route53 Delegation Set](http://docs.aws.amazon.com/Route53/latest/APIReference/actions-on-reusable-delegation-sets.html) resource.
+
+## Example Usage
+
+```
+resource "aws_route53_delegation_set" "main" {
+    reference_name = "DynDNS"
+}
+
+resource "aws_route53_zone" "primary" {
+    name = "hashicorp.com"
+    delegation_set_id = "${aws_route53_delegation_set.main.id}"
+}
+
+resource "aws_route53_zone" "secondary" {
+    name = "terraform.io"
+    delegation_set_id = "${aws_route53_delegation_set.main.id}"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `reference_name` - (Optional) This is a reference name used in Caller Reference
+  (helpful for identifying single delegation set amongst others)
+
+## Attributes Reference
+
+The following attributes are exported:
+
+* `id` - The delegation set ID
+* `name_servers` - A list of authoritative name servers for the hosted zone
+  (effectively a list of NS records).

website/source/docs/providers/aws/r/route53_zone.html.markdown

@@ -58,11 +58,12 @@ The following arguments are supported:
 * `tags` - (Optional) A mapping of tags to assign to the zone.
 * `vpc_id` - (Optional) The VPC to associate with a private hosted zone. Specifying `vpc_id` will create a private hosted zone.
 * `vpc_region` - (Optional) The VPC's region. Defaults to the region of the AWS provider.
+* `delegation_set_id` - (Optional) The ID of the reusable delgation set whose NS records you want to assign to the hosted zone.
 
 ## Attributes Reference
 
 The following attributes are exported:
 
 * `zone_id` - The Hosted Zone ID. This can be referenced by zone records.
-* `name_servers` - A list of name servers in a default delegation set.
+* `name_servers` - A list of name servers in associated (or default) delegation set.
   Find more about delegation sets in [AWS docs](http://docs.aws.amazon.com/Route53/latest/APIReference/actions-on-reusable-delegation-sets.html).

website/source/layouts/aws.erb

@@ -177,6 +177,10 @@
 							<a href="/docs/providers/aws/r/proxy_protocol_policy.html">aws_proxy_protocol_policy</a>
 						</li>
 
+						<li<%= sidebar_current("docs-aws-resource-route53-delegation-set") %>>
+							<a href="/docs/providers/aws/r/route53_delegation_set.html">aws_route53_delegation_set</a>
+						</li>
+
 						<li<%= sidebar_current("docs-aws-resource-route53-health-check") %>>
 							<a href="/docs/providers/aws/r/route53_health_check.html">aws_route53_health_check</a>
 						</li>