fixing all match criteria in oci_core_drg_route_distribution_statement resource

Author: Rakhi Narayan

examples/networking/drg_route/drg_routing.tf

@@ -76,6 +76,19 @@ resource "oci_core_drg_route_distribution_statement" "test_vcn_drg_route_distrib
   priority = 10
 
 
+}
+
+resource "oci_core_drg_route_distribution_statement" "test_vcn_drg_route_distribution_statements_empty" {
+  // Required
+  drg_route_distribution_id = oci_core_drg_route_distribution.test_vcn_drg_route_distribution.id
+  action = "ACCEPT"
+
+  match_criteria {
+  }
+
+  priority = 50
+
+
 }
 
 data "oci_core_drg_route_distribution" "test_vcn_drg_route_distribution_data" {

oci/core_drg_route_distribution_statement_resource.go

@@ -51,7 +51,7 @@ func CoreDrgRouteDistributionStatementResource() *schema.Resource {
 				Type:     schema.TypeList,
 				Required: true,
 				MaxItems: 1,
-				MinItems: 1,
+				MinItems: 0,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						// Required
@@ -62,6 +62,7 @@ func CoreDrgRouteDistributionStatementResource() *schema.Resource {
 							ValidateFunc: validation.StringInSlice([]string{
 								"DRG_ATTACHMENT_ID",
 								"DRG_ATTACHMENT_TYPE",
+								"",
 							}, true),
 						},
 						// Optional
@@ -143,7 +144,7 @@ func (s *CoreDrgRouteDistributionStatementResourceCrud) Create() error {
 
 			converted, err := s.mapToDrgRouteDistributionMatchCriteria(fieldKeyFormat)
 			if err != nil {
-				return fmt.Errorf("unable to convert icmp_options, encountered error: %v", err)
+				return fmt.Errorf("unable to convert match criteria, encountered error: %v", err)
 			}
 
 			statement.MatchCriteria = []oci_core.DrgRouteDistributionMatchCriteria{converted}
@@ -368,6 +369,7 @@ func (s *CoreDrgRouteDistributionStatementResourceCrud) mapToDrgRouteDistributio
 		matchType = matchTypeRaw.(string)
 	} else {
 		matchType = "" // default value
+		return baseObject, nil
 	}
 	switch strings.ToLower(matchType) {
 	case strings.ToLower("DRG_ATTACHMENT_ID"):