Add google_dns_record_set data source (#5625) (#11180)

Signed-off-by: Modular Magician <magic-modules@google.com>

.changelog/5625.txt

@@ -0,0 +1,3 @@
+```release-note:new-datasource
+`google_dns_record_set`
+```

google/data_source_dns_record_set.go

@@ -0,0 +1,86 @@
+package google
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func dataSourceDnsRecordSet() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceDnsRecordSetRead,
+
+		Schema: map[string]*schema.Schema{
+			"managed_zone": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+
+			"name": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+
+			"rrdatas": {
+				Type:     schema.TypeList,
+				Computed: true,
+				Elem: &schema.Schema{
+					Type: schema.TypeString,
+				},
+			},
+
+			"ttl": {
+				Type:     schema.TypeInt,
+				Computed: true,
+			},
+
+			"type": {
+				Type:     schema.TypeString,
+				Required: true,
+			},
+
+			"project": {
+				Type:     schema.TypeString,
+				Optional: true,
+			},
+		},
+	}
+}
+
+func dataSourceDnsRecordSetRead(d *schema.ResourceData, meta interface{}) error {
+	config := meta.(*Config)
+	userAgent, err := generateUserAgentString(d, config.userAgent)
+	if err != nil {
+		return err
+	}
+
+	project, err := getProject(d, config)
+	if err != nil {
+		return err
+	}
+
+	zone := d.Get("managed_zone").(string)
+	name := d.Get("name").(string)
+	dnsType := d.Get("type").(string)
+	d.SetId(fmt.Sprintf("projects/%s/managedZones/%s/rrsets/%s/%s", project, zone, name, dnsType))
+
+	resp, err := config.NewDnsClient(userAgent).ResourceRecordSets.List(project, zone).Name(name).Type(dnsType).Do()
+	if err != nil {
+		return handleNotFoundError(err, d, fmt.Sprintf("dataSourceDnsRecordSet %q", name))
+	}
+	if len(resp.Rrsets) != 1 {
+		return fmt.Errorf("Only expected 1 record set, got %d", len(resp.Rrsets))
+	}
+
+	if err := d.Set("rrdatas", resp.Rrsets[0].Rrdatas); err != nil {
+		return fmt.Errorf("Error setting rrdatas: %s", err)
+	}
+	if err := d.Set("ttl", resp.Rrsets[0].Ttl); err != nil {
+		return fmt.Errorf("Error setting ttl: %s", err)
+	}
+	if err := d.Set("project", project); err != nil {
+		return fmt.Errorf("Error setting project: %s", err)
+	}
+
+	return nil
+}

google/data_source_dns_record_set_test.go

@@ -0,0 +1,51 @@
+package google
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func TestAcccDataSourceDnsRecordSet_basic(t *testing.T) {
+	t.Parallel()
+
+	vcrTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckDnsRecordSetDestroyProducer(t),
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceDnsRecordSet_basic(randString(t, 10), randString(t, 10)),
+				Check: resource.ComposeTestCheckFunc(
+					checkDataSourceStateMatchesResourceState("data.google_dns_record_set.rs", "google_dns_record_set.rs"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceDnsRecordSet_basic(zoneName, recordSetName string) string {
+	return fmt.Sprintf(`
+resource "google_dns_managed_zone" "zone" {
+  name     = "test-zone"
+  dns_name = "%s.hashicorptest.com."
+}
+
+resource "google_dns_record_set" "rs" {
+  managed_zone = google_dns_managed_zone.zone.name
+  name         = "%s.${google_dns_managed_zone.zone.dns_name}"
+  type         = "A"
+  ttl          = 300
+  rrdatas      = [
+	"192.168.1.0",
+  ]
+}
+
+data "google_dns_record_set" "rs" {
+  managed_zone = google_dns_record_set.rs.managed_zone
+  name         = google_dns_record_set.rs.name
+  type         = google_dns_record_set.rs.type
+}
+`, zoneName, recordSetName)
+}

google/provider.go

@@ -764,6 +764,7 @@ func Provider() *schema.Provider {
 			"google_container_registry_repository":                dataSourceGoogleContainerRepo(),
 			"google_dns_keys":                                     dataSourceDNSKeys(),
 			"google_dns_managed_zone":                             dataSourceDnsManagedZone(),
+			"google_dns_record_set":                               dataSourceDnsRecordSet(),
 			"google_game_services_game_server_deployment_rollout": dataSourceGameServicesGameServerDeploymentRollout(),
 			"google_iam_policy":                                   dataSourceGoogleIamPolicy(),
 			"google_iam_role":                                     dataSourceGoogleIamRole(),

website/docs/d/dns_record_set.markdown

@@ -0,0 +1,48 @@
+---
+subcategory: "Cloud DNS"
+layout: "google"
+page_title: "Google: google_dns_record_set"
+sidebar_current: "docs-google-datasource-dns-record-set"
+description: |-
+  Get a DNS record set within Google Cloud DNS
+---
+
+# google\_dns\_record\_set
+
+Get a DNS record set within Google Cloud DNS
+For more information see
+[the official documentation](https://cloud.google.com/dns/docs/records)
+and
+[API](https://cloud.google.com/dns/docs/reference/v1/resourceRecordSets)
+
+## Example Usage
+
+```tf
+data "google_dns_managed_zone" "sample" {
+  name = "sample-zone"
+}
+
+data "google_dns_record_set" "rs" {
+  managed_zone = data.google_dns_managed_zone.sample.name
+  name = "my-record.${data.google_dns_managed_zone.sample.dns_name}"
+  type = "A"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `managed_zone` - (Required) The Name of the zone.
+
+* `name` - (Required) The DNS name for the resource.
+
+* `project` - (Optional) The ID of the project for the Google Cloud.
+
+## Attributes Reference
+
+The following attributes are exported:
+
+* `rrdatas` - The string data for the records in this record set.
+
+* `ttl` - The time-to-live of this record set (seconds).

website/google.erb

@@ -767,6 +767,10 @@
           <a href="/docs/providers/google/d/dns_managed_zone.html">google_dns_managed_zone</a>
           </li>
 
+          <li>
+          <a href="/docs/providers/google/d/dns_record_set">google_dns_record_set</a>
+          </li>
+
         </ul>
       </li>
       <li>