Adding Router datasource

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

google-beta/data_source_google_compute_router.go

@@ -0,0 +1,25 @@
+package google
+
+import (
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+)
+
+func dataSourceGoogleComputeRouter() *schema.Resource {
+	dsSchema := datasourceSchemaFromResourceSchema(resourceComputeRouter().Schema)
+	addRequiredFieldsToSchema(dsSchema, "name")
+	addRequiredFieldsToSchema(dsSchema, "network")
+	addOptionalFieldsToSchema(dsSchema, "region")
+	addOptionalFieldsToSchema(dsSchema, "project")
+
+	return &schema.Resource{
+		Read:   dataSourceComputeRouterRead,
+		Schema: dsSchema,
+	}
+}
+
+func dataSourceComputeRouterRead(d *schema.ResourceData, meta interface{}) error {
+	routerName := d.Get("name").(string)
+
+	d.SetId(routerName)
+	return resourceComputeRouterRead(d, meta)
+}

google-beta/data_source_google_compute_router_test.go

@@ -0,0 +1,49 @@
+package google
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
+)
+
+func TestAccDataSourceComputeRouter(t *testing.T) {
+	t.Parallel()
+	name := acctest.RandomWithPrefix("router-test")
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceComputeRouterConfig(name),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("data.google_compute_router.myrouter", "id", name),
+					resource.TestCheckResourceAttr("data.google_compute_router.myrouter", "name", name),
+					resource.TestCheckResourceAttr("data.google_compute_router.myrouter", "network", fmt.Sprintf("https://www.googleapis.com/compute/v1/projects/%s/global/networks/%s", getTestProjectFromEnv(), name)),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceComputeRouterConfig(name string) string {
+	return fmt.Sprintf(`
+resource "google_compute_network" "foobar" {
+    name    = "%s"
+    auto_create_subnetworks = false
+}
+resource "google_compute_router" "foobar" {
+    name    = "%s"
+    network = "${google_compute_network.foobar.name}"
+    bgp {
+        asn = 64514
+    }
+}
+data "google_compute_router" "myrouter" {
+    name    = "${google_compute_router.foobar.name}"
+	network	= "${google_compute_network.foobar.name}"
+}
+`, name, name)
+}

google-beta/provider.go

@@ -422,6 +422,7 @@ func Provider() terraform.ResourceProvider {
 			"google_compute_regions":                          dataSourceGoogleComputeRegions(),
 			"google_compute_region_instance_group":            dataSourceGoogleComputeRegionInstanceGroup(),
 			"google_compute_resource_policy":                  dataSourceGoogleComputeResourcePolicy(),
+			"google_compute_router":                           dataSourceGoogleComputeRouter(),
 			"google_compute_ssl_certificate":                  dataSourceGoogleComputeSslCertificate(),
 			"google_compute_ssl_policy":                       dataSourceGoogleComputeSslPolicy(),
 			"google_compute_subnetwork":                       dataSourceGoogleComputeSubnetwork(),

website/docs/d/datasource_compute_router.html.markdown

@@ -0,0 +1,39 @@
+---
+layout: "google"
+page_title: "Google: google_compute_router"
+sidebar_current: "docs-google-datasource-compute-router"
+description: |-
+  Get a Cloud Router within GCE.
+---
+
+# google\_compute\_router
+
+Get a router within GCE from its name and VPC.
+
+## Example Usage
+
+```hcl
+data "google_compute_router" "my-router" {
+  name   = "myrouter-us-east1"
+  network = "my-network"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `name` - (Required) The name of the router.
+
+* `network` - (Required) The VPC network on which this router lives.
+
+* `project` - (Optional) The ID of the project in which the resource 
+    belongs. If it is not provided, the provider project is used.
+
+* `region` - (Optional) The region this router has been created in. If
+    unspecified, this defaults to the region configured in the provider.
+
+
+## Attributes Reference
+
+See [google_compute_router](https://www.terraform.io/docs/providers/google/r/compute_router.html) resource for details of the available attributes.

website/google.erb

@@ -96,6 +96,9 @@
       <li<%= sidebar_current("docs-google-datasource-compute-resource-policy") %>>
           <a href="/docs/providers/google/d/google_compute_resource_policy.html">google_compute_resource_policy</a>
       </li>
+      <li<%= sidebar_current("docs-google-datasource-compute-router") %>>
+        <a href="/docs/providers/google/d/datasource_compute_router.html">google_compute_router</a>
+      </li>
       <li<%= sidebar_current("docs-google-datasource-compute-ssl-certificate") %>>
         <a href="/docs/providers/google/d/datasource_compute_ssl_certificate.html">google_compute_ssl_certificate</a>
       </li>