providers/cloudflare: record can manage apex records

Apex records must be created by specifying "@" as the name, but this
caused Refresh and Delete errors.

builtin/providers/cloudflare/resource_cloudflare_record.go

@@ -3,7 +3,6 @@ package cloudflare
 import (
 	"fmt"
 	"log"
-	"strings"
 	"time"
 
 	"golang.org/x/net/context"
@@ -115,11 +114,12 @@ func resourceCloudFlareRecordCreate(d *schema.ResourceData, meta interface{}) er
 }
 
 func resourceCloudFlareRecordRead(d *schema.ResourceData, meta interface{}) error {
-	var (
-		client = meta.(*cloudflare.Client)
-		domain = d.Get("domain").(string)
-		rName  = strings.Join([]string{d.Get("name").(string), domain}, ".")
-	)
+	client := meta.(*cloudflare.Client)
+	domain := d.Get("domain").(string)
+	rName := domain
+	if v := d.Get("name").(string); v != "@" {
+		rName = v + "." + rName
+	}
 
 	zone, err := retrieveZone(client, domain)
 	if err != nil {
@@ -187,11 +187,12 @@ func resourceCloudFlareRecordUpdate(d *schema.ResourceData, meta interface{}) er
 }
 
 func resourceCloudFlareRecordDelete(d *schema.ResourceData, meta interface{}) error {
-	var (
-		client = meta.(*cloudflare.Client)
-		domain = d.Get("domain").(string)
-		rName  = strings.Join([]string{d.Get("name").(string), domain}, ".")
-	)
+	client := meta.(*cloudflare.Client)
+	domain := d.Get("domain").(string)
+	rName := domain
+	if v := d.Get("name").(string); v != "@" {
+		rName = v + "." + rName
+	}
 
 	zone, err := retrieveZone(client, domain)
 	if err != nil {
@@ -218,8 +219,7 @@ func resourceCloudFlareRecordDelete(d *schema.ResourceData, meta interface{}) er
 func retrieveRecord(
 	client *cloudflare.Client,
 	zone *cloudflare.Zone,
-	name string,
-) (*cloudflare.Record, error) {
+	name string) (*cloudflare.Record, error) {
 	ctx, _ := context.WithDeadline(context.Background(), time.Now().Add(time.Second*30))
 
 	rs, err := client.Records.List(ctx, zone.ID)

builtin/providers/cloudflare/resource_cloudflare_record_test.go

@@ -39,6 +39,32 @@ func TestAccCloudFlareRecord_Basic(t *testing.T) {
 	})
 }
 
+func TestAccCloudFlareRecord_Apex(t *testing.T) {
+	var record cloudflare.Record
+	domain := os.Getenv("CLOUDFLARE_DOMAIN")
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckCloudFlareRecordDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: fmt.Sprintf(testAccCheckCloudFlareRecordConfigApex, domain),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckCloudFlareRecordExists("cloudflare_record.foobar", &record),
+					testAccCheckCloudFlareRecordAttributes(&record),
+					resource.TestCheckResourceAttr(
+						"cloudflare_record.foobar", "name", "@"),
+					resource.TestCheckResourceAttr(
+						"cloudflare_record.foobar", "domain", domain),
+					resource.TestCheckResourceAttr(
+						"cloudflare_record.foobar", "value", "192.168.0.10"),
+				),
+			},
+		},
+	})
+}
+
 func TestAccCloudFlareRecord_Proxied(t *testing.T) {
 	var record cloudflare.Record
 	domain := os.Getenv("CLOUDFLARE_DOMAIN")
@@ -226,6 +252,15 @@ resource "cloudflare_record" "foobar" {
 	ttl = 3600
 }`
 
+const testAccCheckCloudFlareRecordConfigApex = `
+resource "cloudflare_record" "foobar" {
+	domain = "%s"
+	name = "@"
+	value = "192.168.0.10"
+	type = "A"
+	ttl = 3600
+}`
+
 const testAccCheckCloudFlareRecordConfigProxied = `
 resource "cloudflare_record" "foobar" {
 	domain = "%s"