Add default values for string fields

internal/resources/machinelearning/resource_alert.go

@@ -13,6 +13,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/resource"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/planmodifier"
+	"github.com/hashicorp/terraform-plugin-framework/resource/schema/stringdefault"
 	"github.com/hashicorp/terraform-plugin-framework/resource/schema/stringplanmodifier"
 	"github.com/hashicorp/terraform-plugin-framework/schema/validator"
 	"github.com/hashicorp/terraform-plugin-framework/types"
@@ -116,21 +117,29 @@ func (r *alertResource) Schema(ctx context.Context, req resource.SchemaRequest,
 			"anomaly_condition": schema.StringAttribute{
 				Description: "The condition for when to consider a point as anomalous.",
 				Optional:    true,
+				Computed:    true,
+				Default:     stringdefault.StaticString("any"),
 				Validators: []validator.String{
 					stringvalidator.OneOf("any", "low", "high"),
 				},
 			},
 			"for": schema.StringAttribute{
 				Description: "How long values must be anomalous before firing an alert.",
 				Optional:    true,
+				Computed:    true,
+				Default:     stringdefault.StaticString("0s"),
 			},
 			"threshold": schema.StringAttribute{
 				Description: "The threshold of points over the window that need to be anomalous to alert.",
 				Optional:    true,
+				Computed:    true,
+				Default:     stringdefault.StaticString(""),
 			},
 			"window": schema.StringAttribute{
 				Description: "How much time to average values over",
 				Optional:    true,
+				Computed:    true,
+				Default:     stringdefault.StaticString("0s"),
 			},
 			"labels": schema.MapAttribute{
 				Description: "Labels to add to the alert generated in Grafana.",
@@ -145,6 +154,8 @@ func (r *alertResource) Schema(ctx context.Context, req resource.SchemaRequest,
 			"no_data_state": schema.StringAttribute{
 				Description: "How the alert should be processed when no data is returned by the underlying series",
 				Optional:    true,
+				Computed:    true,
+				Default:     stringdefault.StaticString("OK"),
 				Validators: []validator.String{
 					stringvalidator.OneOf("Alerting", "NoData", "OK"),
 				},