feat(iot): allow setting description and enabled of TopicRule (aw…

…s#17225)

I'm trying to implement aws-iot L2 Constructs.

This PR is one of steps after following PR: 
- aws#16681 (comment)

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

packages/@aws-cdk/aws-iot/README.md

@@ -59,6 +59,8 @@ const func = new lambda.Function(this, 'MyFunction', {
 });
 
 new iot.TopicRule(this, 'TopicRule', {
+  topicRuleName: 'MyTopicRule', // optional
+  description: 'invokes the lambda finction', // optional
   sql: iot.IotSql.fromStringAsVer20160323("SELECT topic(2) as device_id, timestamp() as timestamp FROM 'device/+/data'"),
   actions: [new actions.LambdaFunctionAction(func)],
 });
@@ -72,3 +74,12 @@ const topicRule = new iot.TopicRule(this, 'TopicRule', {
 });
 topicRule.addAction(new actions.LambdaFunctionAction(func))
 ```
+
+If you wanna make the topic rule disable, add property `enabled: false` as following:
+
+```ts
+new iot.TopicRule(this, 'TopicRule', {
+  sql: iot.IotSql.fromStringAsVer20160323("SELECT topic(2) as device_id, timestamp() as timestamp FROM 'device/+/data'"),
+  enabled: false,
+});
+```

packages/@aws-cdk/aws-iot/lib/topic-rule.ts

@@ -41,6 +41,20 @@ export interface TopicRuleProps {
    */
   readonly actions?: IAction[];
 
+  /**
+   * A textual description of the topic rule.
+   *
+   * @default None
+   */
+  readonly description?: string;
+
+  /**
+   * Specifies whether the rule is enabled.
+   *
+   * @default true
+   */
+  readonly enabled?: boolean
+
   /**
    * A simplified SQL syntax to filter messages received on an MQTT topic and push the data elsewhere.
    *
@@ -102,6 +116,8 @@ export class TopicRule extends Resource implements ITopicRule {
       topicRulePayload: {
         actions: Lazy.any({ produce: () => this.actions }),
         awsIotSqlVersion: sqlConfig.awsIotSqlVersion,
+        description: props.description,
+        ruleDisabled: props.enabled === undefined ? undefined : !props.enabled,
         sql: sqlConfig.sql,
       },
     });

packages/@aws-cdk/aws-iot/test/topic-rule.test.ts

@@ -71,6 +71,36 @@ test('can set physical name', () => {
   });
 });
 
+test('can set description', () => {
+  const stack = new cdk.Stack();
+
+  new iot.TopicRule(stack, 'MyTopicRule', {
+    description: 'test-description',
+    sql: iot.IotSql.fromStringAsVer20151008("SELECT topic(2) as device_id, temperature FROM 'device/+/data'"),
+  });
+
+  Template.fromStack(stack).hasResourceProperties('AWS::IoT::TopicRule', {
+    TopicRulePayload: {
+      Description: 'test-description',
+    },
+  });
+});
+
+test('can set ruleDisabled', () => {
+  const stack = new cdk.Stack();
+
+  new iot.TopicRule(stack, 'MyTopicRule', {
+    enabled: false,
+    sql: iot.IotSql.fromStringAsVer20151008("SELECT topic(2) as device_id, temperature FROM 'device/+/data'"),
+  });
+
+  Template.fromStack(stack).hasResourceProperties('AWS::IoT::TopicRule', {
+    TopicRulePayload: {
+      RuleDisabled: true,
+    },
+  });
+});
+
 test.each([
   ['fromStringAsVer20151008', iot.IotSql.fromStringAsVer20151008, '2015-10-08'],
   ['fromStringAsVer20160323', iot.IotSql.fromStringAsVer20160323, '2016-03-23'],