fix: Support for set/unset fields

routeros/mikrotik_serialize.go

@@ -115,7 +115,7 @@ func TerraformResourceDataToMikrotik(s map[string]*schema.Schema, d *schema.Reso
 	meta := &MikrotikItemMetadata{}
 	rawConfig := d.GetRawConfig()
 	var transformSet map[string]string
-	var skipFields map[string]struct{}
+	var skipFields, setUnsetFields map[string]struct{}
 
 	// {"channel.config": "channel", "schema-field-name": "mikrotik-field-name"}
 	if ts, ok := s[MetaTransformSet]; ok {
@@ -126,6 +126,9 @@ func TerraformResourceDataToMikrotik(s map[string]*schema.Schema, d *schema.Reso
 	if sf, ok := s[MetaSkipFields]; ok {
 		skipFields = loadSkipFields(sf.Default.(string))
 	}
+	if suf, ok := s[MetaSetUnsetFields]; ok {
+		setUnsetFields = loadSkipFields(suf.Default.(string))
+	}
 
 	// Schema map iteration.
 	for terraformSnakeName, terraformMetadata := range s {
@@ -136,7 +139,7 @@ func TerraformResourceDataToMikrotik(s map[string]*schema.Schema, d *schema.Reso
 				meta.IdType = IdType(terraformMetadata.Default.(int))
 			case MetaResourcePath:
 				meta.Path = terraformMetadata.Default.(string)
-			case MetaTransformSet, MetaSkipFields:
+			case MetaTransformSet, MetaSkipFields, MetaSetUnsetFields:
 				continue
 			default:
 				meta.Meta[terraformSnakeName] = terraformMetadata.Default.(string)
@@ -195,6 +198,17 @@ func TerraformResourceDataToMikrotik(s map[string]*schema.Schema, d *schema.Reso
 		case schema.TypeInt:
 			item[mikrotikKebabName] = strconv.Itoa(value.(int))
 		case schema.TypeBool:
+			// true:  {...,"interfaces":"ether3","passive":"","priority":"128",...}
+			// false: {...,"interfaces":"ether3",             "priority":"128",...}
+			if _, ok := setUnsetFields[terraformSnakeName]; ok {
+				if value.(bool) {
+					item[mikrotikKebabName] = ""
+				} else {
+					// Unset
+					item["!"+mikrotikKebabName] = ""
+				}
+				continue
+			}
 			item[mikrotikKebabName] = BoolToMikrotikJSON(value.(bool))
 		// Used to represent an ordered collection of items.
 		case schema.TypeList:
@@ -269,14 +283,17 @@ func MikrotikResourceDataToTerraform(item MikrotikItem, s map[string]*schema.Sch
 	var diags diag.Diagnostics
 	var err error
 	var transformSet map[string]string
-	var skipFields map[string]struct{}
+	var setUnsetFields, skipFields map[string]struct{}
 
 	// {"channel": "channel.config", "mikrotik-field-name": "schema-field-name"}
 	if ts, ok := s[MetaTransformSet]; ok {
 		transformSet = loadTransformSet(ts.Default.(string), false)
 	}
 
 	// "field_first", "field_second", "field_third"
+	if suf, ok := s[MetaSetUnsetFields]; ok {
+		setUnsetFields = loadSkipFields(suf.Default.(string))
+  }
 	if sf, ok := s[MetaSkipFields]; ok {
 		skipFields = loadSkipFields(sf.Default.(string))
 	}
@@ -352,6 +369,10 @@ func MikrotikResourceDataToTerraform(item MikrotikItem, s map[string]*schema.Sch
 			err = d.Set(terraformSnakeName, i)
 
 		case schema.TypeBool:
+			if _, ok := setUnsetFields[terraformSnakeName]; ok {
+				err = d.Set(terraformSnakeName, true)
+				break
+			}
 			err = d.Set(terraformSnakeName, BoolFromMikrotikJSON(mikrotikValue))
 
 		case schema.TypeList, schema.TypeSet:
@@ -544,6 +565,7 @@ func MikrotikResourceDataToTerraformDatasource(items *[]MikrotikItem, resourceDa
 				propValue = i
 
 			case schema.TypeBool:
+				// TODO Add support for set/unset fields?
 				propValue = BoolFromMikrotikJSON(mikrotikValue)
 
 			case schema.TypeList:

routeros/provider_schema_helpers.go

@@ -14,10 +14,11 @@ import (
 
 // All metadata fields must be present in each resource schema, and the field type must be string.
 const (
-	MetaId           = "___id___"
-	MetaResourcePath = "___path___"
-	MetaTransformSet = "___ts___"
-	MetaSkipFields   = "___skip___"
+	MetaId             = "___id___"
+	MetaResourcePath   = "___path___"
+	MetaTransformSet   = "___ts___"
+	MetaSkipFields     = "___skip___"
+	MetaSetUnsetFields = "___unset___"
 )
 
 const (
@@ -104,6 +105,19 @@ func PropSkipFields(s string) *schema.Schema {
 	}
 }
 
+// PropSetUnsetFields
+func PropSetUnsetFields(s string) *schema.Schema {
+	return &schema.Schema{
+		Type:        schema.TypeString,
+		Optional:    true,
+		Default:     s,
+		Description: "<em>A set of fields that require setting/unsetting. This is an internal service field, setting a value is not required.</em>",
+		DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
+			return true
+		},
+	}
+}
+
 // PropName
 func PropName(description string) *schema.Schema {
 	return &schema.Schema{

routeros/resource_routing_ospf_area.go

@@ -21,8 +21,9 @@ import (
 // ResourceRoutingOspfArea https://help.mikrotik.com/docs/display/ROS/OSPF
 func ResourceRoutingOspfArea() *schema.Resource {
 	resSchema := map[string]*schema.Schema{
-		MetaResourcePath: PropResourcePath("/routing/ospf/area"),
-		MetaId:           PropId(Id),
+		MetaResourcePath:   PropResourcePath("/routing/ospf/area"),
+		MetaId:             PropId(Id),
+		MetaSetUnsetFields: PropSetUnsetFields(`"no_summaries"`),
 
 		"area_id": {
 			Type:        schema.TypeString,
@@ -45,9 +46,11 @@ func ResourceRoutingOspfArea() *schema.Resource {
 		},
 		KeyName: PropNameForceNewRw,
 		"no_summaries": {
-			Type:        schema.TypeBool,
-			Optional:    true,
-			Description: "If set then the area will not flood summary LSAs in the stub area.",
+			Type:     schema.TypeBool,
+			Optional: true,
+			Description: "If set then the area will not flood summary LSAs in the stub area. " +
+				"<em>The correct value of this attribute may not be displayed in Winbox. " +
+				"Please check the parameters in the console!</em>",
 		},
 		"nssa_translate": {
 			Type:         schema.TypeString,

routeros/resource_routing_ospf_interface_template.go

@@ -34,8 +34,9 @@ import (
 // ResourceRoutingOspfInterfaceTemplate https://help.mikrotik.com/docs/display/ROS/OSPF
 func ResourceRoutingOspfInterfaceTemplate() *schema.Resource {
 	resSchema := map[string]*schema.Schema{
-		MetaResourcePath: PropResourcePath("/routing/ospf/interface-template"),
-		MetaId:           PropId(Id),
+		MetaResourcePath:   PropResourcePath("/routing/ospf/interface-template"),
+		MetaId:             PropId(Id),
+		MetaSetUnsetFields: PropSetUnsetFields(`"passive"`),
 
 		"area": {
 			Type:        schema.TypeString,
@@ -107,10 +108,12 @@ func ResourceRoutingOspfInterfaceTemplate() *schema.Resource {
 			Description: "The network prefix associated with the area.",
 		},
 		"passive": {
-			Type:        schema.TypeBool,
-			Optional:    true,
-			Default:     false,
-			Description: "If enabled, then do not send or receive OSPF traffic on the matching interfaces",
+			Type:     schema.TypeBool,
+			Optional: true,
+			Default:  false,
+			Description: "If enabled, then do not send or receive OSPF traffic on the matching interfaces. " +
+				"<em>The correct value of this attribute may not be displayed in Winbox. " +
+				"Please check the parameters in the console!</em>",
 		},
 		"prefix_list": {
 			Type:        schema.TypeString,

routeros/resource_routing_ospf_interface_template_test.go

@@ -50,6 +50,7 @@ resource "routeros_routing_ospf_area" "test_routing_ospf_area" {
 resource "routeros_routing_ospf_interface_template" "test_routing_ospf_interface_template" {
 	area       = routeros_routing_ospf_area.test_routing_ospf_area.name
 	interfaces = ["ether3"]
+	passive    = true
 }
 
 `