azurerm_public_ip: ensure all fields have a value

azurerm/data_source_public_ip.go

@@ -67,28 +67,21 @@ func dataSourceArmPublicIPRead(d *schema.ResourceData, meta interface{}) error {
 
 	d.SetId(*resp.ID)
 
+	//ensure values are at least set to "", d.Set() is a noop on a nil
+	d.Set("fqdn", "")
+	d.Set("domain_name_label", "")
+	d.Set("ip_address", "")
+	d.Set("idle_timeout_in_minutes", 0)
+
 	if props := resp.PublicIPAddressPropertiesFormat; props != nil {
 		if dnsSettings := props.DNSSettings; dnsSettings != nil {
-			if v := dnsSettings.Fqdn; v != nil && *v != "" {
-				d.Set("fqdn", v)
-			}
-
-			if v := dnsSettings.DomainNameLabel; v != nil && *v != "" {
-				d.Set("domain_name_label", v)
-			}
-		}
-
-		if ipVersion := props.PublicIPAddressVersion; string(ipVersion) != "" {
-			d.Set("ip_version", string(ipVersion))
+			d.Set("fqdn", dnsSettings.Fqdn)
+			d.Set("domain_name_label", dnsSettings.DomainNameLabel)
 		}
 
-		if v := props.IPAddress; v != nil && *v != "" {
-			d.Set("ip_address", v)
-		}
-
-		if v := props.IdleTimeoutInMinutes; v != nil {
-			d.Set("idle_timeout_in_minutes", *resp.PublicIPAddressPropertiesFormat.IdleTimeoutInMinutes)
-		}
+		d.Set("ip_address", props.IPAddress)
+		d.Set("ip_version", string(props.PublicIPAddressVersion))
+		d.Set("idle_timeout_in_minutes", props.IdleTimeoutInMinutes)
 	}
 
 	flattenAndSetTags(d, resp.Tags)

azurerm/data_source_public_ip_test.go

@@ -8,22 +8,20 @@ import (
 	"github.com/hashicorp/terraform/helper/resource"
 )
 
-func TestAccDataSourceAzureRMPublicIP_basic(t *testing.T) {
+func TestAccDataSourceAzureRMPublicIP_static(t *testing.T) {
 	dataSourceName := "data.azurerm_public_ip.test"
 	ri := acctest.RandInt()
 
 	name := fmt.Sprintf("acctestpublicip-%d", ri)
 	resourceGroupName := fmt.Sprintf("acctestRG-%d", ri)
 
-	config := testAccDataSourceAzureRMPublicIPBasic(name, resourceGroupName, ri, testLocation())
-
 	resource.ParallelTest(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
 		CheckDestroy: testCheckAzureRMPublicIpDestroy,
 		Steps: []resource.TestStep{
 			{
-				Config: config,
+				Config: testAccDataSourceAzureRMPublicIP_static(name, resourceGroupName, ri, testLocation()),
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckResourceAttr(dataSourceName, "name", name),
 					resource.TestCheckResourceAttr(dataSourceName, "resource_group_name", resourceGroupName),
@@ -40,7 +38,36 @@ func TestAccDataSourceAzureRMPublicIP_basic(t *testing.T) {
 	})
 }
 
-func testAccDataSourceAzureRMPublicIPBasic(name string, resourceGroupName string, rInt int, location string) string {
+func TestAccDataSourceAzureRMPublicIP_dynamic(t *testing.T) {
+	dataSourceName := "data.azurerm_public_ip.test"
+	ri := acctest.RandInt()
+
+	name := fmt.Sprintf("acctestpublicip-%d", ri)
+	resourceGroupName := fmt.Sprintf("acctestRG-%d", ri)
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testCheckAzureRMPublicIpDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceAzureRMPublicIP_dynamic(ri, testLocation(), "Ipv4"),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(dataSourceName, "name", name),
+					resource.TestCheckResourceAttr(dataSourceName, "resource_group_name", resourceGroupName),
+					resource.TestCheckResourceAttr(dataSourceName, "domain_name_label", ""),
+					resource.TestCheckResourceAttr(dataSourceName, "fqdn", ""),
+					resource.TestCheckResourceAttr(dataSourceName, "ip_address", ""),
+					resource.TestCheckResourceAttr(dataSourceName, "ip_version", "IPv4"),
+					resource.TestCheckResourceAttr(dataSourceName, "tags.%", "1"),
+					resource.TestCheckResourceAttr(dataSourceName, "tags.environment", "test"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceAzureRMPublicIP_static(name string, resourceGroupName string, rInt int, location string) string {
 	return fmt.Sprintf(`
 resource "azurerm_resource_group" "test" {
   name     = "%s"
@@ -66,3 +93,30 @@ data "azurerm_public_ip" "test" {
 }
 `, resourceGroupName, location, name, rInt)
 }
+
+func testAccDataSourceAzureRMPublicIP_dynamic(rInt int, location string, ipVersion string) string {
+	return fmt.Sprintf(`
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-%d"
+  location = "%s"
+}
+
+resource "azurerm_public_ip" "test" {
+  name                         = "acctestpublicip-%d"
+  location                     = "${azurerm_resource_group.test.location}"
+  resource_group_name          = "${azurerm_resource_group.test.name}"
+  public_ip_address_allocation = "dynamic"
+
+  ip_version = "%s"
+
+  tags {
+    environment = "test"
+  }
+}
+
+data "azurerm_public_ip" "test" {
+  name                = "${azurerm_public_ip.test.name}"
+  resource_group_name = "${azurerm_resource_group.test.name}"
+}
+`, rInt, location, rInt, ipVersion)
+}