Add force_create to create reserved capacity with exisitng name

ibm/data_source_ibm_compute_reserved_capacity.go

@@ -111,7 +111,7 @@ func dataSourceIBMComputeReservedCapacityRead(context context.Context, d *schema
 			grp = mostRecentReservedCapacity(grps)
 		} else {
 			return diag.FromErr(fmt.Errorf(
-				"[Error] More than one reserved capacity found with name"+
+				"[Error] More than one reserved capacity found with name "+
 					"matching [%s]. Set 'most_recent' to true in your configuration to force the most recent reserved capacity "+
 					"to be used", name))
 		}

ibm/resource_ibm_compute_reserved_capacity.go

@@ -33,6 +33,7 @@ func resourceIBMComputeReservedCapacity() *schema.Resource {
 		DeleteContext: resourceIBMComputeReservedCapacityDelete,
 		Exists:        resourceIBMComputeReservedCapacityExists,
 		Importer:      &schema.ResourceImporter{},
+		CustomizeDiff: resourceReservedCapacityValidate,
 
 		Timeouts: &schema.ResourceTimeout{
 			Create: schema.DefaultTimeout(10 * time.Minute),
@@ -81,6 +82,12 @@ func resourceIBMComputeReservedCapacity() *schema.Resource {
 				Set:         schema.HashString,
 				Description: "List of tags",
 			},
+			"force_create": {
+				Type:             schema.TypeBool,
+				Optional:         true,
+				DiffSuppressFunc: applyOnce,
+				Description:      "Force the creation of reserved capacity with same name",
+			},
 		},
 	}
 }
@@ -291,3 +298,22 @@ func resourceIBMComputeReservedCapacityDelete(context context.Context, d *schema
 	d.SetId("")
 	return nil
 }
+
+func resourceReservedCapacityValidate(_ context.Context, diff *schema.ResourceDiff, meta interface{}) error {
+	forceCreate := diff.Get("force_create").(bool)
+	if diff.Id() == "" && !forceCreate {
+		name := diff.Get("name").(string)
+		service := services.GetAccountService(meta.(ClientSession).SoftLayerSession())
+		reservedCapacities, _ := service.Filter(
+			filter.Build(
+				filter.Path("reservedCapacityGroups.name").Eq(name),
+			),
+		).Mask("id,createDate").GetReservedCapacityGroups()
+		if len(reservedCapacities) > 0 {
+			return fmt.Errorf("reserved capacity exists with same name [%s] if you still want to provision with same name set force_create argument to true", name)
+		}
+	}
+
+	return nil
+
+}

website/docs/r/compute_reserved_capacity.html.markdown

@@ -41,6 +41,7 @@ Review the argument references that you can specify for your resource.
 
 - `datacenter` - (Required, Forces new resource, String) The datacenter in which you want to provision the reserved capacity.
 - `flavor`- (Required, String) Capacity keyname. For example, C1_2X2_1_YEAR_TERM.
+- `force_create` - (Optional, Boolean) Force the creation of reserved capacity with same name.
 - `instances`- (Required, Forces new resource, Integer) Number of VSI instances this capacity reservation can support.
 - `name` - (Required, String) The descriptive that is used to identify a reserved capacity.
 - `pod` - (Required, Forces new resource, String) The data center pod where you want to create the reserved capacity.