added in docdb adapters

internal/adapters/cloud/aws/documentdb/adapt.go

@@ -102,11 +102,12 @@ func (a *adapter) adaptCluster(cluster types.DBCluster) (*documentdb.Cluster, er
 	}
 
 	return &documentdb.Cluster{
-		Metadata:          metadata,
-		Identifier:        defsecTypes.String(identifier, metadata),
-		EnabledLogExports: logExports,
-		Instances:         instances,
-		StorageEncrypted:  defsecTypes.Bool(cluster.StorageEncrypted, metadata),
-		KMSKeyID:          defsecTypes.String(kmsKeyId, metadata),
+		Metadata:              metadata,
+		Identifier:            defsecTypes.String(identifier, metadata),
+		EnabledLogExports:     logExports,
+		Instances:             instances,
+		StorageEncrypted:      defsecTypes.Bool(cluster.StorageEncrypted, metadata),
+		KMSKeyID:              defsecTypes.String(kmsKeyId, metadata),
+		BackupRetentionPeriod: defsecTypes.Int(int(*cluster.BackupRetentionPeriod), metadata),
 	}, nil
 }

internal/adapters/cloudformation/aws/documentdb/cluster.go

@@ -12,12 +12,13 @@ func getClusters(ctx parser.FileContext) (clusters []documentdb.Cluster) {
 
 	for _, r := range clusterResources {
 		cluster := documentdb.Cluster{
-			Metadata:          r.Metadata(),
-			Identifier:        r.GetStringProperty("DBClusterIdentifier"),
-			EnabledLogExports: getLogExports(r),
-			Instances:         nil,
-			StorageEncrypted:  r.GetBoolProperty("StorageEncrypted"),
-			KMSKeyID:          r.GetStringProperty("KmsKeyId"),
+			Metadata:              r.Metadata(),
+			Identifier:            r.GetStringProperty("DBClusterIdentifier"),
+			EnabledLogExports:     getLogExports(r),
+			Instances:             nil,
+			BackupRetentionPeriod: r.GetIntProperty("BackupRetentionPeriod"),
+			StorageEncrypted:      r.GetBoolProperty("StorageEncrypted"),
+			KMSKeyID:              r.GetStringProperty("KmsKeyId"),
 		}
 
 		updateInstancesOnCluster(&cluster, ctx)

internal/adapters/terraform/aws/documentdb/adapt.go

@@ -52,11 +52,12 @@ func adaptCluster(resource *terraform.Block, module *terraform.Module) documentd
 	KMSKeyIDVal := KMSKeyIDAttr.AsStringValueOrDefault("", resource)
 
 	return documentdb.Cluster{
-		Metadata:          resource.GetMetadata(),
-		Identifier:        identifierVal,
-		EnabledLogExports: enabledLogExports,
-		Instances:         instances,
-		StorageEncrypted:  storageEncryptedVal,
-		KMSKeyID:          KMSKeyIDVal,
+		Metadata:              resource.GetMetadata(),
+		Identifier:            identifierVal,
+		EnabledLogExports:     enabledLogExports,
+		BackupRetentionPeriod: resource.GetAttribute("backup_retention_period").AsIntValueOrDefault(0, resource),
+		Instances:             instances,
+		StorageEncrypted:      storageEncryptedVal,
+		KMSKeyID:              KMSKeyIDVal,
 	}
 }

pkg/providers/aws/documentdb/documentdb.go

@@ -14,12 +14,13 @@ const (
 )
 
 type Cluster struct {
-	Metadata          defsecTypes.Metadata
-	Identifier        defsecTypes.StringValue
-	EnabledLogExports []defsecTypes.StringValue
-	Instances         []Instance
-	StorageEncrypted  defsecTypes.BoolValue
-	KMSKeyID          defsecTypes.StringValue
+	Metadata              defsecTypes.Metadata
+	Identifier            defsecTypes.StringValue
+	EnabledLogExports     []defsecTypes.StringValue
+	BackupRetentionPeriod defsecTypes.IntValue
+	Instances             []Instance
+	StorageEncrypted      defsecTypes.BoolValue
+	KMSKeyID              defsecTypes.StringValue
 }
 
 type Instance struct {

pkg/rego/schemas/cloud.json

@@ -820,6 +820,10 @@
     "github.com.aquasecurity.defsec.pkg.providers.aws.documentdb.Cluster": {
       "type": "object",
       "properties": {
+        "backupretentionperiod": {
+          "type": "object",
+          "$ref": "#/definitions/github.com.aquasecurity.defsec.pkg.types.IntValue"
+        },
         "enabledlogexports": {
           "type": "array",
           "items": {