Fix panic in networking_secgroup_v2 data source (#1176)

Fix panic in `networking_secgroup_v2` data source

Summary of the Pull Request
Fix #1175
PR Checklist

 Refers to: #1175
 Tests added/passed.
 Schema updated.

Acceptance Steps Performed
=== RUN   TestAccOpenTelekomCloudNetworkingSecGroupV2DataSource_basic
--- PASS: TestAccOpenTelekomCloudNetworkingSecGroupV2DataSource_basic (28.28s)
=== RUN   TestAccOpenTelekomCloudNetworkingSecGroupV2DataSource_secGroupID
--- PASS: TestAccOpenTelekomCloudNetworkingSecGroupV2DataSource_secGroupID (27.95s)
PASS

Process finished with the exit code 0

Reviewed-by: Anton Sidelnikov <None>
Reviewed-by: Rodion Gyrbu <fpsoff@outlook.com>
Reviewed-by: None <None>

opentelekomcloud/services/vpc/data_source_opentelekomcloud_networking_secgroup_v2.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"log"
 
+	"github.com/hashicorp/go-multierror"
 	"github.com/opentelekomcloud/gophertelekomcloud/openstack/networking/v2/extensions/security/groups"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
@@ -38,6 +39,10 @@ func DataSourceNetworkingSecGroupV2() *schema.Resource {
 				ForceNew: true,
 				Computed: true,
 			},
+			"description": {
+				Type:     schema.TypeString,
+				Computed: true,
+			},
 		},
 	}
 }
@@ -75,10 +80,15 @@ func dataSourceNetworkingSecGroupV2Read(_ context.Context, d *schema.ResourceDat
 	log.Printf("[DEBUG] Retrieved Security Group %s: %+v", secGroup.ID, secGroup)
 	d.SetId(secGroup.ID)
 
-	d.Set("name", secGroup.Name)
-	d.Set("description", secGroup.Description)
-	d.Set("tenant_id", secGroup.TenantID)
-	d.Set("region", config.GetRegion(d))
+	mErr := multierror.Append(
+		d.Set("name", secGroup.Name),
+		d.Set("description", secGroup.Description),
+		d.Set("tenant_id", secGroup.TenantID),
+		d.Set("region", config.GetRegion(d)),
+	)
+	if err := mErr.ErrorOrNil(); err != nil {
+		return fmterr.Errorf("error setting security group fields: %w", err)
+	}
 
 	return nil
 }

releasenotes/notes/fix-secgroup-23e41d4ac82f0f34.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Fix panic when using `opentelekomcloud_networking_secgroup_v2` data source ([#1176](https://github.com/opentelekomcloud/terraform-provider-opentelekomcloud/pull/1176))