feat(k8s): add delete_additional_resources (#600)

Signed-off-by: Patrik Cyvoct <[email protected]>

Author: Sh4d1

docs/resources/k8s_cluster_beta.md

@@ -150,6 +150,8 @@ The following arguments are supported:
 
 - `admission_plugins` - (Optional) The list of [admission plugins](https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/) to enable on the cluster.
 
+- `delete_additional_resources` - (Defaults to `false`) Delete additional resources like block volumes and loadbalancers that were created in Kubernetes on cluster deletion.
+
 - `default_pool` - (Deprecated) See below.
 
 - `region` - (Defaults to [provider](../index.md#region) `region`) The [region](../guides/regions_and_zones.md#regions) in which the cluster should be created.

scaleway/resource_k8s_cluster_beta.go

@@ -272,7 +272,12 @@ func resourceScalewayK8SClusterBeta() *schema.Resource {
 					},
 				},
 			},
-
+			"delete_additional_resources": {
+				Type:        schema.TypeBool,
+				Optional:    true,
+				Default:     false,
+				Description: "Delete additional resources like block volumes and loadbalancers on cluster deletion",
+			},
 			"region":          regionSchema(),
 			"organization_id": organizationIDSchema(),
 			// Computed elements
@@ -981,12 +986,15 @@ func resourceScalewayK8SClusterBetaDelete(d *schema.ResourceData, m interface{})
 		return err
 	}
 
+	deleteAdditionalResources := d.Get("delete_additional_resources").(bool)
+
 	////
 	// Delete Cluster
 	////
 	_, err = k8sAPI.DeleteCluster(&k8s.DeleteClusterRequest{
-		Region:    region,
-		ClusterID: clusterID,
+		Region:                  region,
+		ClusterID:               clusterID,
+		WithAdditionalResources: deleteAdditionalResources,
 	})
 	if err != nil {
 		if is404Error(err) {