feat(iot-actions): support for sending messages to iot-events (aws#19953

)

This PR includes to support the action for sending messages to IoT Events.

This feature is described [this documentation](https://docs.aws.amazon.com/iot/latest/developerguide/iotevents-rule-action.html).

I actually confirmed that the behavior of the action deployed by integ-test is all right.

----

### All Submissions:

* [x] Have you followed the guidelines in our [Contributing guide?](https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md)

### Adding new Unconventional Dependencies:

* [ ] This PR adds new unconventional dependencies following the process described [here](https://github.com/aws/aws-cdk/blob/master/CONTRIBUTING.md/#adding-new-unconventional-dependencies)

### New Features

* [x] Have you added the new feature to an [integration test](https://github.com/aws/aws-cdk/blob/master/INTEGRATION_TESTS.md)?
	* [x] Did you use `yarn integ` to deploy the infrastructure and generate the snapshot (i.e. `yarn integ` without `--dry-run`)?

*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-actions/README.md

@@ -32,6 +32,7 @@ Currently supported are:
 - Send messages to SQS queues
 - Publish messages on SNS topics
 - Write messages into columns of DynamoDB
+- Put messages IoT Events input
 
 ## Republish a message to another MQTT topic
 
@@ -73,7 +74,7 @@ new iot.TopicRule(this, 'TopicRule', {
 
 ## Put objects to a S3 bucket
 
-The code snippet below creates an AWS IoT Rule that put objects to a S3 bucket
+The code snippet below creates an AWS IoT Rule that puts objects to a S3 bucket
 when it is triggered.
 
 ```ts
@@ -126,7 +127,7 @@ new iot.TopicRule(this, 'TopicRule', {
 
 ## Put logs to CloudWatch Logs
 
-The code snippet below creates an AWS IoT Rule that put logs to CloudWatch Logs
+The code snippet below creates an AWS IoT Rule that puts logs to CloudWatch Logs
 when it is triggered.
 
 ```ts
@@ -194,7 +195,7 @@ const topicRule = new iot.TopicRule(this, 'TopicRule', {
 
 ## Put records to Kinesis Data stream
 
-The code snippet below creates an AWS IoT Rule that put records to Kinesis Data
+The code snippet below creates an AWS IoT Rule that puts records to Kinesis Data
 stream when it is triggered.
 
 ```ts
@@ -214,7 +215,7 @@ const topicRule = new iot.TopicRule(this, 'TopicRule', {
 
 ## Put records to Kinesis Data Firehose stream
 
-The code snippet below creates an AWS IoT Rule that put records to Put records
+The code snippet below creates an AWS IoT Rule that puts records to Put records
 to Kinesis Data Firehose stream when it is triggered.
 
 ```ts
@@ -299,3 +300,31 @@ const topicRule = new iot.TopicRule(this, 'TopicRule', {
   ],
 });
 ```
+
+## Put messages IoT Events input
+
+The code snippet below creates an AWS IoT Rule that puts messages
+to an IoT Events input when it is triggered:
+
+```ts
+import * as iotevents from '@aws-cdk/aws-iotevents';
+import * as iam from '@aws-cdk/aws-iam';
+
+declare const role: iam.IRole;
+
+const input = new iotevents.Input(this, 'MyInput', {
+  attributeJsonPaths: ['payload.temperature', 'payload.transactionId'],
+});
+const topicRule = new iot.TopicRule(this, 'TopicRule', {
+  sql: iot.IotSql.fromStringAsVer20160323(
+    "SELECT * FROM 'device/+/data'",
+  ),
+  actions: [
+    new actions.IotEventsPutMessageAction(input, {
+      batchMode: true, // optional property, default is 'false'
+      messageId: '${payload.transactionId}', // optional property, default is a new UUID
+      role: role, // optional property, default is a new UUID
+    }),
+  ],
+});
+```

packages/@aws-cdk/aws-iot-actions/lib/cloudwatch-logs-action.ts

@@ -27,7 +27,10 @@ export class CloudWatchLogsAction implements iot.IAction {
     this.role = props.role;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     this.logGroup.grantWrite(role);
     this.logGroup.grant(role, 'logs:DescribeLogStreams');

packages/@aws-cdk/aws-iot-actions/lib/cloudwatch-put-metric-action.ts

@@ -57,7 +57,10 @@ export class CloudWatchPutMetricAction implements iot.IAction {
   constructor(private readonly props: CloudWatchPutMetricActionProps) {
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.props.role ?? singletonActionRole(rule);
     cloudwatch.Metric.grantPutMetricData(role);
 

packages/@aws-cdk/aws-iot-actions/lib/cloudwatch-set-alarm-state-action.ts

@@ -31,7 +31,10 @@ export class CloudWatchSetAlarmStateAction implements iot.IAction {
   ) {
   }
 
-  bind(topicRule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(topicRule: iot.ITopicRule): iot.ActionConfig {
     const role = this.props.role ?? singletonActionRole(topicRule);
     role.addToPrincipalPolicy(new iam.PolicyStatement({
       actions: ['cloudwatch:SetAlarmState'],

packages/@aws-cdk/aws-iot-actions/lib/dynamodbv2-put-item-action.ts

@@ -24,7 +24,10 @@ export class DynamoDBv2PutItemAction implements iot.IAction {
     this.role = props.role;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     role.addToPrincipalPolicy(new iam.PolicyStatement({
       actions: ['dynamodb:PutItem'],

packages/@aws-cdk/aws-iot-actions/lib/firehose-put-record-action.ts

@@ -70,7 +70,10 @@ export class FirehosePutRecordAction implements iot.IAction {
     this.role = props.role;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     this.stream.grantPutRecords(role);
 

packages/@aws-cdk/aws-iot-actions/lib/index.ts

@@ -4,6 +4,7 @@ export * from './cloudwatch-set-alarm-state-action';
 export * from './common-action-props';
 export * from './dynamodbv2-put-item-action';
 export * from './firehose-put-record-action';
+export * from './iotevents-put-message-action';
 export * from './iot-republish-action';
 export * from './kinesis-put-record-action';
 export * from './lambda-function-action';

packages/@aws-cdk/aws-iot-actions/lib/iot-republish-action.ts

@@ -52,7 +52,10 @@ export class IotRepublishMqttAction implements iot.IAction {
     this.role = props.role;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     role.addToPrincipalPolicy(new iam.PolicyStatement({
       actions: ['iot:Publish'],

packages/@aws-cdk/aws-iot-actions/lib/iotevents-put-message-action.ts

@@ -0,0 +1,75 @@
+import * as iam from '@aws-cdk/aws-iam';
+import * as iot from '@aws-cdk/aws-iot';
+import * as iotevents from '@aws-cdk/aws-iotevents';
+import { CommonActionProps } from './common-action-props';
+import { singletonActionRole } from './private/role';
+
+/**
+ * Configuration properties of an action for the IoT Events.
+ */
+export interface IotEventsPutMessageActionProps extends CommonActionProps {
+  /**
+   * Whether to process the event actions as a batch.
+   *
+   * When batchMode is true, you can't specify a messageId.
+   *
+   * When batchMode is true and the rule SQL statement evaluates to an Array,
+   * each Array element is treated as a separate message when Events by calling BatchPutMessage.
+   * The resulting array can't have more than 10 messages.
+   *
+   * @default false
+   */
+  readonly batchMode?: boolean;
+
+  /**
+   * The ID of the message.
+   *
+   * When batchMode is true, you can't specify a messageId--a new UUID value will be assigned.
+   * Assign a value to this property to ensure that only one input (message) with a given messageId will be processed by an AWS IoT Events detector.
+   *
+   * @default - none -- a new UUID value will be assigned
+   */
+  readonly messageId?: string;
+}
+
+/**
+ * The action to put the message from an MQTT message to the IoT Events input.
+ */
+export class IotEventsPutMessageAction implements iot.IAction {
+  private readonly batchMode?: boolean;
+  private readonly messageId?: string;
+  private readonly role?: iam.IRole;
+
+  /**
+   * @param input The IoT Events input to put messages.
+   * @param props Optional properties to not use default
+   */
+  constructor(private readonly input: iotevents.IInput, props: IotEventsPutMessageActionProps = {}) {
+    this.batchMode = props.batchMode;
+    this.messageId = props.messageId;
+    this.role = props.role;
+
+    if (this.batchMode && this.messageId) {
+      throw new Error('messageId is not allowed when batchMode is true');
+    }
+  }
+
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
+    const role = this.role ?? singletonActionRole(rule);
+    this.input.grantWrite(role);
+
+    return {
+      configuration: {
+        iotEvents: {
+          batchMode: this.batchMode,
+          inputName: this.input.inputName,
+          messageId: this.messageId,
+          roleArn: role.roleArn,
+        },
+      },
+    };
+  }
+}

packages/@aws-cdk/aws-iot-actions/lib/kinesis-put-record-action.ts

@@ -38,7 +38,10 @@ export class KinesisPutRecordAction implements iot.IAction {
     this.role = props.role;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     role.addToPrincipalPolicy(new iam.PolicyStatement({
       actions: ['kinesis:PutRecord'],

packages/@aws-cdk/aws-iot-actions/lib/lambda-function-action.ts

@@ -12,7 +12,10 @@ export class LambdaFunctionAction implements iot.IAction {
    */
   constructor(private readonly func: lambda.IFunction) {}
 
-  bind(topicRule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(topicRule: iot.ITopicRule): iot.ActionConfig {
     this.func.addPermission(`${Names.nodeUniqueId(topicRule.node)}:IotLambdaFunctionAction`, {
       action: 'lambda:InvokeFunction',
       principal: new iam.ServicePrincipal('iot.amazonaws.com'),

packages/@aws-cdk/aws-iot-actions/lib/s3-put-object-action.ts

@@ -46,7 +46,10 @@ export class S3PutObjectAction implements iot.IAction {
     this.role = props.role;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     role.addToPrincipalPolicy(new iam.PolicyStatement({
       actions: ['s3:PutObject'],

packages/@aws-cdk/aws-iot-actions/lib/sns-topic-action.ts

@@ -58,7 +58,10 @@ export class SnsTopicAction implements iot.IAction {
     this.messageFormat = props.messageFormat;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     this.topic.grantPublish(role);
 
@@ -72,4 +75,4 @@ export class SnsTopicAction implements iot.IAction {
       },
     };
   }
-}
+}

packages/@aws-cdk/aws-iot-actions/lib/sqs-queue-action.ts

@@ -34,7 +34,10 @@ export class SqsQueueAction implements iot.IAction {
     this.useBase64 = props.useBase64;
   }
 
-  bind(rule: iot.ITopicRule): iot.ActionConfig {
+  /**
+   * @internal
+   */
+  public _bind(rule: iot.ITopicRule): iot.ActionConfig {
     const role = this.role ?? singletonActionRole(rule);
     role.addToPrincipalPolicy(new iam.PolicyStatement({
       actions: ['sqs:SendMessage'],

packages/@aws-cdk/aws-iot-actions/package.json

@@ -92,6 +92,7 @@
     "@aws-cdk/aws-dynamodb": "0.0.0",
     "@aws-cdk/aws-iam": "0.0.0",
     "@aws-cdk/aws-iot": "0.0.0",
+    "@aws-cdk/aws-iotevents": "0.0.0",
     "@aws-cdk/aws-kinesis": "0.0.0",
     "@aws-cdk/aws-kinesisfirehose": "0.0.0",
     "@aws-cdk/aws-lambda": "0.0.0",
@@ -109,6 +110,7 @@
     "@aws-cdk/aws-dynamodb": "0.0.0",
     "@aws-cdk/aws-iam": "0.0.0",
     "@aws-cdk/aws-iot": "0.0.0",
+    "@aws-cdk/aws-iotevents": "0.0.0",
     "@aws-cdk/aws-kinesis": "0.0.0",
     "@aws-cdk/aws-kinesisfirehose": "0.0.0",
     "@aws-cdk/aws-lambda": "0.0.0",

packages/@aws-cdk/aws-iot-actions/test/iot/integ.iotevents-put-message-action.ts

@@ -0,0 +1,52 @@
+import * as iot from '@aws-cdk/aws-iot';
+import * as iotevents from '@aws-cdk/aws-iotevents';
+import * as logs from '@aws-cdk/aws-logs';
+import * as cdk from '@aws-cdk/core';
+import { IntegTest } from '@aws-cdk/integ-tests';
+import * as actions from '../../lib';
+
+class TestStack extends cdk.Stack {
+  public readonly detectorModelName: string;
+
+  constructor(scope: cdk.App, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    const logGroup = new logs.LogGroup(this, 'logs', { removalPolicy: cdk.RemovalPolicy.DESTROY });
+    const topicRule = new iot.TopicRule(this, 'TopicRule', {
+      sql: iot.IotSql.fromStringAsVer20160323(
+        "SELECT * FROM 'device/+/data'",
+      ),
+      errorAction: new actions.CloudWatchLogsAction(logGroup),
+    });
+
+    const input = new iotevents.Input(this, 'MyInput', {
+      attributeJsonPaths: ['payload.deviceId'],
+    });
+
+    const detectorModel = new iotevents.DetectorModel(this, 'MyDetectorModel', {
+      detectorKey: 'payload.deviceId',
+      initialState: new iotevents.State({
+        stateName: 'initialState',
+        onEnter: [{
+          eventName: 'enter',
+          condition: iotevents.Expression.currentInput(input),
+        }],
+      }),
+    });
+
+    topicRule.addAction(
+      new actions.IotEventsPutMessageAction(input, {
+        batchMode: true,
+      }),
+    );
+
+    this.detectorModelName = detectorModel.detectorModelName;
+  }
+}
+
+// App
+const app = new cdk.App();
+const stack = new TestStack(app, 'iotevents-put-message-action-test-stack');
+new IntegTest(app, 'iotevents', { testCases: [stack] });
+
+app.synth();

packages/@aws-cdk/aws-iot-actions/test/iot/iotevents-put-message-action.integ.snapshot/cdk.out

@@ -0,0 +1 @@
+{"version":"20.0.0"}

packages/@aws-cdk/aws-iot-actions/test/iot/iotevents-put-message-action.integ.snapshot/integ.json

@@ -0,0 +1,11 @@
+{
+  "version": "20.0.0",
+  "testCases": {
+    "iotevents/DefaultTest": {
+      "stacks": [
+        "iotevents-put-message-action-test-stack"
+      ],
+      "assertionStack": "ioteventsDefaultTestDeployAssertE216288D"
+    }
+  }
+}