fix(rbd): fix diff case for engine

Author: jremy42

internal/services/rdb/instance.go

@@ -12,6 +12,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
 	"github.com/scaleway/scaleway-sdk-go/api/rdb/v1"
 	"github.com/scaleway/scaleway-sdk-go/scw"
+	"github.com/scaleway/scaleway-sdk-go/strcase"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/cdf"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/dsf"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/httperrors"
@@ -53,10 +54,11 @@ func ResourceInstance() *schema.Resource {
 				DiffSuppressFunc: dsf.IgnoreCase,
 			},
 			"engine": {
-				Type:        schema.TypeString,
-				Required:    true,
-				ForceNew:    true,
-				Description: "Database's engine version id",
+				Type:             schema.TypeString,
+				Required:         true,
+				ForceNew:         true,
+				Description:      "Database's engine version id",
+				DiffSuppressFunc: dsf.IgnoreCase,
 			},
 			"is_ha_cluster": {
 				Type:        schema.TypeBool,
@@ -329,7 +331,7 @@ func ResourceRdbInstanceCreate(ctx context.Context, d *schema.ResourceData, m in
 		ProjectID:     types.ExpandStringPtr(d.Get("project_id")),
 		Name:          types.ExpandOrGenerateString(d.Get("name"), "rdb"),
 		NodeType:      d.Get("node_type").(string),
-		Engine:        d.Get("engine").(string),
+		Engine:        strcase.ToPascal(d.Get("engine").(string)),
 		IsHaCluster:   d.Get("is_ha_cluster").(bool),
 		DisableBackup: d.Get("disable_backup").(bool),
 		UserName:      d.Get("user_name").(string),
@@ -451,7 +453,7 @@ func ResourceRdbInstanceRead(ctx context.Context, d *schema.ResourceData, m inte
 	}
 	_ = d.Set("name", res.Name)
 	_ = d.Set("node_type", res.NodeType)
-	_ = d.Set("engine", res.Engine)
+	_ = d.Set("engine", strcase.ToPascal(res.Engine))
 	_ = d.Set("is_ha_cluster", res.IsHaCluster)
 	_ = d.Set("disable_backup", res.BackupSchedule.Disabled)
 	_ = d.Set("backup_schedule_frequency", int(res.BackupSchedule.Frequency))
@@ -528,7 +530,6 @@ func ResourceRdbInstanceRead(ctx context.Context, d *schema.ResourceData, m inte
 	if lbI, lbExists := flattenLoadBalancer(res.Endpoints); lbExists {
 		_ = d.Set("load_balancer", lbI)
 	}
-
 	return nil
 }