Add website_domain for S3 buckets.

builtin/providers/aws/resource_aws_route53_record_test.go

@@ -155,6 +155,22 @@ func TestAccAWSRoute53Record_alias(t *testing.T) {
 	})
 }
 
+func TestAccAWSRoute53Record_s3_alias(t *testing.T) {
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckRoute53RecordDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccRoute53S3AliasRecord,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckRoute53RecordExists("aws_route53_record.alias"),
+				),
+			},
+		},
+	})
+}
+
 func TestAccAWSRoute53Record_weighted_alias(t *testing.T) {
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
@@ -449,6 +465,32 @@ resource "aws_route53_record" "alias" {
 }
 `
 
+const testAccRoute53S3AliasRecord = `
+resource "aws_route53_zone" "main" {
+  name = "notexample.com"
+}
+
+resource "aws_s3_bucket" "website" {
+  bucket = "website.notexample.com"
+	acl = "public-read"
+	website {
+		index_document = "index.html"
+	}
+}
+
+resource "aws_route53_record" "alias" {
+  zone_id = "${aws_route53_zone.main.zone_id}"
+  name = "www"
+  type = "A"
+
+  alias {
+    zone_id = "${aws_s3_bucket.website.hosted_zone_id}"
+    name = "${aws_s3_bucket.website.website_domain}"
+    evaluate_target_health = true
+  }
+}
+`
+
 const testAccRoute53WeightedElbAliasRecord = `
 resource "aws_route53_zone" "main" {
   name = "notexample.com"

builtin/providers/aws/resource_aws_s3_bucket.go

@@ -77,12 +77,16 @@ func resourceAwsS3Bucket() *schema.Resource {
 				Optional: true,
 				Computed: true,
 			},
-
 			"website_endpoint": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
 			},
+			"website_domain": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
 
 			"tags": tagsSchema(),
 
@@ -237,12 +241,17 @@ func resourceAwsS3BucketRead(d *schema.ResourceData, meta interface{}) error {
 	}
 
 	// Add website_endpoint as an attribute
-	endpoint, err := websiteEndpoint(s3conn, d)
+	websiteEndpoint, err := websiteEndpoint(s3conn, d)
 	if err != nil {
 		return err
 	}
-	if err := d.Set("website_endpoint", endpoint); err != nil {
+	if websiteEndpoint != nil {
-		return err
+		if err := d.Set("website_endpoint", websiteEndpoint.Endpoint); err != nil {
+			return err
+		}
+		if err := d.Set("website_domain", websiteEndpoint.Domain); err != nil {
+			return err
+		}
 	}
 
 	tagSet, err := getTagSetS3(s3conn, d.Id())
@@ -405,11 +414,11 @@ func resourceAwsS3BucketWebsiteDelete(s3conn *s3.S3, d *schema.ResourceData) err
 	return nil
 }
 
-func websiteEndpoint(s3conn *s3.S3, d *schema.ResourceData) (string, error) {
+func websiteEndpoint(s3conn *s3.S3, d *schema.ResourceData) (*S3Website, error) {
 	// If the bucket doesn't have a website configuration, return an empty
 	// endpoint
 	if _, ok := d.GetOk("website"); !ok {
-		return "", nil
+		return nil, nil
 	}
 
 	bucket := d.Get("bucket").(string)
@@ -421,26 +430,31 @@ func websiteEndpoint(s3conn *s3.S3, d *schema.ResourceData) (string, error) {
 		},
 	)
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 	var region string
 	if location.LocationConstraint != nil {
 		region = *location.LocationConstraint
 	}
 
-	return WebsiteEndpointUrl(bucket, region), nil
+	return WebsiteEndpoint(bucket, region), nil
 }
 
-func WebsiteEndpointUrl(bucket string, region string) string {
+func WebsiteEndpoint(bucket string, region string) *S3Website {
+	domain := WebsiteDomainUrl(region)
+	return &S3Website{Endpoint: fmt.Sprintf("%s.%s", bucket, domain), Domain: domain}
+}
+
+func WebsiteDomainUrl(region string) string {
 	region = normalizeRegion(region)
 
 	// Frankfurt(and probably future) regions uses different syntax for website endpoints
 	// http://docs.aws.amazon.com/AmazonS3/latest/dev/WebsiteEndpoints.html
 	if region == "eu-central-1" {
-		return fmt.Sprintf("%s.s3-website.%s.amazonaws.com", bucket, region)
+		return fmt.Sprintf("s3-website.%s.amazonaws.com", region)
 	}
 
-	return fmt.Sprintf("%s.s3-website-%s.amazonaws.com", bucket, region)
+	return fmt.Sprintf("s3-website-%s.amazonaws.com", region)
 }
 
 func normalizeJson(jsonString interface{}) string {
@@ -465,3 +479,7 @@ func normalizeRegion(region string) string {
 
 	return region
 }
+
+type S3Website struct {
+	Endpoint, Domain string
+}

builtin/providers/aws/website_endpoint_url_test.go

@@ -20,9 +20,9 @@ var websiteEndpoints = []struct {
 
 func TestWebsiteEndpointUrl(t *testing.T) {
 	for _, tt := range websiteEndpoints {
-		s := WebsiteEndpointUrl("bucket-name", tt.in)
+		s := WebsiteEndpoint("bucket-name", tt.in)
-		if s != tt.out {
+		if s.Endpoint != tt.out {
-			t.Errorf("WebsiteEndpointUrl(\"bucket-name\", %q) => %q, want %q", tt.in, s, tt.out)
+			t.Errorf("WebsiteEndpointUrl(\"bucket-name\", %q) => %q, want %q", tt.in, s.Endpoint, tt.out)
 		}
 	}
 }

website/source/docs/providers/aws/r/s3_bucket.html.markdown

@@ -67,3 +67,4 @@ The following attributes are exported:
 * `hosted_zone_id` - The [Route 53 Hosted Zone ID](http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_website_region_endpoints) for this bucket's region.
 * `region` - The AWS region this bucket resides in.
 * `website_endpoint` - The website endpoint, if the bucket is configured with a website. If not, this will be an empty string.
+* `website_domain` - The domain of the website endpoint, if the bucket is configured with a website. If not, this will be an empty string. This is used to create Route 53 alias records.