Add VPN gateway data source (#1071)

google/data_source_google_compute_vpn_gateway.go

@@ -0,0 +1,78 @@
+package google
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/terraform/helper/schema"
+	"google.golang.org/api/compute/v1"
+)
+
+func dataSourceGoogleComputeVpnGateway() *schema.Resource {
+	return &schema.Resource{
+		Read: dataSourceGoogleComputeVpnGatewayRead,
+
+		Schema: map[string]*schema.Schema{
+			"name": &schema.Schema{
+				Type:     schema.TypeString,
+				Required: true,
+			},
+
+			"region": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"project": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
+			"description": &schema.Schema{
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
+			"self_link": &schema.Schema{
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
+			"network": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+			},
+		},
+	}
+}
+
+func dataSourceGoogleComputeVpnGatewayRead(d *schema.ResourceData, meta interface{}) error {
+	config := meta.(*Config)
+
+	region, err := getRegion(d, config)
+	if err != nil {
+		return err
+	}
+
+	project, err := getProject(d, config)
+	if err != nil {
+		return err
+	}
+
+	name := d.Get("name").(string)
+
+	vpnGatewaysService := compute.NewTargetVpnGatewaysService(config.clientCompute)
+
+	gateway, err := vpnGatewaysService.Get(project, region, name).Do()
+	if err != nil {
+		return handleNotFoundError(err, d, fmt.Sprintf("VPN Gateway Not Found : %s", name))
+	}
+	d.Set("network", gateway.Network)
+	d.Set("region", gateway.Region)
+	d.Set("self_link", gateway.SelfLink)
+	d.Set("description", gateway.Description)
+	d.Set("project", project)
+	d.SetId(gateway.Name)
+	return nil
+}

google/data_source_google_compute_vpn_gateway_test.go

@@ -0,0 +1,77 @@
+package google
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform/helper/acctest"
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/terraform"
+)
+
+func TestAccDataSourceGoogleVpnGateway(t *testing.T) {
+	t.Parallel()
+
+	vpnGatewayName := fmt.Sprintf("tf-test-%s", acctest.RandString(10))
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccDataSourceGoogleVpnGatewayConfig(vpnGatewayName),
+				Check: resource.ComposeTestCheckFunc(
+					testAccDataSourceGoogleVpnGatewayCheck("data.google_compute_vpn_gateway.my_vpn_gateway", "google_compute_vpn_gateway.foobar"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceGoogleVpnGatewayCheck(data_source_name string, resource_name string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		ds, ok := s.RootModule().Resources[data_source_name]
+		if !ok {
+			return fmt.Errorf("root module has no resource called %s", data_source_name)
+		}
+
+		rs, ok := s.RootModule().Resources[resource_name]
+		if !ok {
+			return fmt.Errorf("can't find %s in state", resource_name)
+		}
+
+		ds_attr := ds.Primary.Attributes
+		rs_attr := rs.Primary.Attributes
+		vpn_gateway_attrs_to_test := []string{
+			"id",
+			"self_link",
+			"name",
+			"description",
+			"network",
+		}
+
+		for _, attr_to_check := range vpn_gateway_attrs_to_test {
+			if ds_attr[attr_to_check] != rs_attr[attr_to_check] {
+				return fmt.Errorf(
+					"%s is %s; want %s",
+					attr_to_check,
+					ds_attr[attr_to_check],
+					rs_attr[attr_to_check],
+				)
+			}
+		}
+		return nil
+	}
+}
+
+func testAccDataSourceGoogleVpnGatewayConfig(name string) string {
+	return fmt.Sprintf(`
+resource "google_compute_vpn_gateway" "foobar" {
+	name = "%s"
+	description = "my-description"
+	network = "default"
+}
+
+data "google_compute_vpn_gateway" "my_vpn_gateway" {
+	name = "${google_compute_vpn_gateway.foobar.name}"
+}`, name)
+}

google/provider.go

@@ -74,6 +74,7 @@ func Provider() terraform.ResourceProvider {
 			"google_compute_zones":                 dataSourceGoogleComputeZones(),
 			"google_compute_instance_group":        dataSourceGoogleComputeInstanceGroup(),
 			"google_compute_region_instance_group": dataSourceGoogleComputeRegionInstanceGroup(),
+			"google_compute_vpn_gateway":           dataSourceGoogleComputeVpnGateway(),
 			"google_container_cluster":             dataSourceGoogleContainerCluster(),
 			"google_container_engine_versions":     dataSourceGoogleContainerEngineVersions(),
 			"google_container_registry_repository": dataSourceGoogleContainerRepo(),

website/docs/d/datasource_compute_vpn_gateway.html.markdown

@@ -0,0 +1,46 @@
+---
+layout: "google"
+page_title: "Google: google_compute_vpn_gateway"
+sidebar_current: "docs-google-datasource-compute-vpn-gateway"
+description: |-
+  Get a VPN gateway within GCE.
+---
+
+# google\_compute\_vpn\_gateway
+
+Get a VPN gateway within GCE from its name.
+
+## Example Usage
+
+```tf
+data "google_compute_vpn_gateway" "my-vpn-gateway" {
+  name = "vpn-gateway-us-east1"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `name` - (Required) The name of the VPN gateway.
+
+
+- - -
+
+* `project` - (Optional) The project in which the resource belongs. If it
+    is not provided, the provider project is used.
+
+* `region` - (Optional) The region in which the resource belongs. If it
+    is not provided, the project region is used.
+
+## Attributes Reference
+
+In addition to the arguments listed above, the following attributes are exported:
+
+* `network` - The network of this VPN gateway.
+
+* `description` - Description of this VPN gateway.
+
+* `region` - Region of this VPN gateway.
+
+* `self_link` - The URI of the resource.

website/google.erb

@@ -37,6 +37,9 @@
       <li<%= sidebar_current("docs-google-datasource-compute-subnetwork") %>>
         <a href="/docs/providers/google/d/datasource_compute_subnetwork.html">google_compute_subnetwork</a>
       </li>
+      <li<%= sidebar_current("docs-google-datasource-compute-vpn-gateway") %>>
+        <a href="/docs/providers/google/d/datasource_compute_vpn_gateway.html">google_compute_vpn_gateway</a>
+      </li>
       <li<%= sidebar_current("docs-google-datasource-compute-zones") %>>
       <a href="/docs/providers/google/d/google_compute_zones.html">google_compute_zones</a>
       </li>