fix: validate cluster_type to ensure it is either 'k3s' or 'talos'

civo/kubernetes/resource_kubernetes_cluster.go

@@ -91,10 +91,11 @@ func ResourceKubernetesCluster() *schema.Resource {
 				Description: "The existing firewall ID to use for this cluster",
 			},
 			"cluster_type": {
-				Type:        schema.TypeString,
-				Optional:    true,
-				Computed:    true,
-				Description: "The type of cluster to create, valid options are `k3s` or `talos` the default is `k3s`",
+				Type:             schema.TypeString,
+				Optional:         true,
+				Computed:         true,
+				Description:      "The type of cluster to create, valid options are `k3s` or `talos` the default is `k3s`",
+				ValidateDiagFunc: utils.ValidateClusterType,
 			},
 			// Computed resource
 			"installed_applications": applicationSchema(),

internal/utils/utils.go

@@ -174,6 +174,21 @@ func InPool(id string, list []civogo.KubernetesClusterPoolConfig) bool {
 	return false
 }
 
+// ValidateClusterType Validates if the user has provided a supported cluster type.
+func ValidateClusterType(v interface{}, path cty.Path) diag.Diagnostics {
+	val := v.(string)
+	var diags diag.Diagnostics
+	if val != "k3s" && val != "talos" {
+
+		diags = append(diags, diag.Diagnostic{
+			Severity: diag.Error,
+			Summary:  "Invalid Cluster Type",
+			Detail:   "The specified cluster type is invalid. Please choose either 'k3s' or 'talos'.",
+		})
+	}
+	return diags
+}
+
 // CustomError captures a specific portion of the full API error
 type CustomError struct {
 	Code   string `json:"code"`