Use metal-go for the BGP neighbors data source

This updates the device BGP neighbors data source to use `metal-go`
instead of `packngo`.  There were no tests for the BGP neighbors
data source, so those are added here as well.

equinix/data_source_metal_device_bgp_neighbors.go

@@ -1,8 +1,8 @@
 package equinix
 
 import (
+	metalv1 "github.com/equinix-labs/metal-go/metal/v1"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
-	"github.com/packethost/packngo"
 )
 
 func bgpNeighborSchema() *schema.Resource {
@@ -103,10 +103,10 @@ func dataSourceMetalDeviceBGPNeighbors() *schema.Resource {
 }
 
 func dataSourceMetalDeviceBGPNeighborsRead(d *schema.ResourceData, meta interface{}) error {
-	client := meta.(*Config).metal
+	client := meta.(*Config).metalgo
 	deviceID := d.Get("device_id").(string)
 
-	bgpNeighborsRaw, _, err := client.Devices.ListBGPNeighbors(deviceID, nil)
+	bgpNeighborsRaw, _, err := client.DevicesApi.GetBgpNeighborData(nil, deviceID).Execute()
 	if err != nil {
 		return err
 	}
@@ -116,7 +116,7 @@ func dataSourceMetalDeviceBGPNeighborsRead(d *schema.ResourceData, meta interfac
 	return nil
 }
 
-func getRoutesSlice(routes []packngo.BGPRoute) []map[string]interface{} {
+func getRoutesSlice(routes []metalv1.BgpRoute) []map[string]interface{} {
 	ret := []map[string]interface{}{}
 	for _, r := range routes {
 		ret = append(ret, map[string]interface{}{
@@ -126,13 +126,13 @@ func getRoutesSlice(routes []packngo.BGPRoute) []map[string]interface{} {
 	return ret
 }
 
-func getBgpNeighbors(ns []packngo.BGPNeighbor) []map[string]interface{} {
+func getBgpNeighbors(ns *metalv1.BgpSessionNeighbors) []map[string]interface{} {
 	ret := make([]map[string]interface{}, 0, 1)
-	for _, n := range ns {
+	for _, n := range ns.BgpNeighbors {
 		neighbor := map[string]interface{}{
 			"address_family": n.AddressFamily,
 			"customer_as":    n.CustomerAs,
-			"customer_ip":    n.CustomerIP,
+			"customer_ip":    n.CustomerIp,
 			"md5_enabled":    n.Md5Enabled,
 			"md5_password":   n.Md5Password,
 			"multihop":       n.Multihop,

equinix/data_source_metal_device_bgp_neighbors_acc_test.go

@@ -0,0 +1,42 @@
+package equinix
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func TestAccDataSourceMetalDeviceBgpNeighbors(t *testing.T) {
+	projectName := fmt.Sprintf("ds-device-%s", acctest.RandString(10))
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { testAccPreCheck(t) },
+		ExternalProviders: testExternalProviders,
+		Providers:         testAccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccDataSourceMetalDeviceBgpNeighborsConfig(projectName),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttrSet(
+						"data.equinix_metal_device_bgp_neighbors.test", "bgp_neighbors.#"),
+				),
+			},
+		},
+	})
+}
+
+func testAccDataSourceMetalDeviceBgpNeighborsConfig(projectName string) string {
+	return fmt.Sprintf(`
+%s
+
+data "equinix_metal_device_bgp_neighbors" "test" {
+	device_id = equinix_metal_device.test.id
+}
+
+output "bgp_neighbors_listing" {
+	value = data.equinix_metal_device_bgp_neighbors.test.bgp_neighbors
+}
+`, testDataSourceMetalDeviceConfig_basic(projectName))
+}