feat(rds): add support for update and backup properties to Cluster instances

packages/@aws-cdk/aws-rds/lib/cluster.ts

@@ -716,6 +716,9 @@ function createInstances(cluster: DatabaseClusterNew, props: DatabaseClusterBase
       dbParameterGroupName: instanceParameterGroupConfig?.parameterGroupName,
       monitoringInterval: props.monitoringInterval && props.monitoringInterval.toSeconds(),
       monitoringRoleArn: monitoringRole && monitoringRole.roleArn,
+      autoMinorVersionUpgrade: props.instanceProps.autoMinorVersionUpgrade,
+      allowMajorVersionUpgrade: props.instanceProps.allowMajorVersionUpgrade,
+      deleteAutomatedBackups: props.instanceProps.deleteAutomatedBackups,
     });
 
     // If removalPolicy isn't explicitly set,

packages/@aws-cdk/aws-rds/lib/props.ts

@@ -63,6 +63,27 @@ export interface InstanceProps {
    * @default - default master key
    */
   readonly performanceInsightEncryptionKey?: kms.IKey;
+
+  /**
+   * Whether to enable automatic upgrade of minor version for the DB instance.
+   *
+   * @default - true
+   */
+  readonly autoMinorVersionUpgrade?: boolean;
+
+  /**
+   * Whether to allow upgrade of major version for the DB instance.
+   *
+   * @default - false
+   */
+  readonly allowMajorVersionUpgrade?: boolean;
+
+  /**
+   *  Whether to remove automated backups immediately after the DB instance is deleted for the DB instance.
+   *
+   * @default - true
+   */
+  readonly deleteAutomatedBackups?: boolean;
 }
 
 /**

packages/@aws-cdk/aws-rds/test/test.cluster.ts

@@ -373,6 +373,69 @@ export = {
     },
   },
 
+  'cluster with disable automatic upgrade of minor version'(test: Test) {
+    // GIVEN
+    const stack = testStack();
+    const vpc = new ec2.Vpc(stack, 'VPC');
+
+    // WHEN
+    new DatabaseCluster(stack, 'Database', {
+      engine: DatabaseClusterEngine.AURORA,
+      instanceProps: {
+        autoMinorVersionUpgrade: false,
+        vpc,
+      },
+    });
+
+    expect(stack).to(haveResource('AWS::RDS::DBInstance', {
+      AutoMinorVersionUpgrade: false,
+    }));
+
+    test.done();
+  },
+
+  'cluster with allow upgrade of major version'(test: Test) {
+    // GIVEN
+    const stack = testStack();
+    const vpc = new ec2.Vpc(stack, 'VPC');
+
+    // WHEN
+    new DatabaseCluster(stack, 'Database', {
+      engine: DatabaseClusterEngine.AURORA,
+      instanceProps: {
+        allowMajorVersionUpgrade: true,
+        vpc,
+      },
+    });
+
+    expect(stack).to(haveResourceLike('AWS::RDS::DBInstance', {
+      AllowMajorVersionUpgrade: true,
+    }));
+
+    test.done();
+  },
+
+  'cluster with disallow remove backups'(test: Test) {
+    // GIVEN
+    const stack = testStack();
+    const vpc = new ec2.Vpc(stack, 'VPC');
+
+    // WHEN
+    new DatabaseCluster(stack, 'Database', {
+      engine: DatabaseClusterEngine.AURORA,
+      instanceProps: {
+        deleteAutomatedBackups: false,
+        vpc,
+      },
+    });
+
+    expect(stack).to(haveResourceLike('AWS::RDS::DBInstance', {
+      DeleteAutomatedBackups: false,
+    }));
+
+    test.done();
+  },
+
   'create a cluster using a specific version of MySQL'(test: Test) {
     // GIVEN
     const stack = testStack();