feat(iot): add Action to put record to Kinesis Data stream

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

@@ -26,6 +26,7 @@ Currently supported are:
 - Put logs to CloudWatch Logs
 - Capture CloudWatch metrics
 - Change state for a CloudWatch alarm
+- Put records to Kinesis Data stream
 - Put records to Kinesis Data Firehose stream
 - Send messages to SQS queues
 
@@ -172,6 +173,26 @@ 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
+stream when it is triggered.
+
+```ts
+import * as kinesis from '@aws-cdk/aws-kinesis';
+
+const stream = new kinesis.Stream(this, 'MyStream');
+
+const topicRule = new iot.TopicRule(this, 'TopicRule', {
+  sql: iot.IotSql.fromStringAsVer20160323("SELECT * FROM 'device/+/data'"),
+  actions: [
+    new actions.KinesisPutRecordAction(stream, {
+      partitionKey: '${newuuid()}',
+    }),
+  ],
+});
+```
+
 ## Put records to Kinesis Data Firehose stream
 
 The code snippet below creates an AWS IoT Rule that put records to Put records

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

@@ -3,6 +3,7 @@ export * from './cloudwatch-put-metric-action';
 export * from './cloudwatch-set-alarm-state-action';
 export * from './common-action-props';
 export * from './firehose-put-record-action';
+export * from './kinesis-put-record-action';
 export * from './lambda-function-action';
 export * from './s3-put-object-action';
 export * from './sqs-queue-action';

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

@@ -0,0 +1,58 @@
+import * as iam from '@aws-cdk/aws-iam';
+import * as iot from '@aws-cdk/aws-iot';
+import * as kinesis from '@aws-cdk/aws-kinesis';
+import { CommonActionProps } from './common-action-props';
+import { singletonActionRole } from './private/role';
+
+/**
+ * Configuration properties of an action for the Kinesis Data stream.
+ */
+export interface KinesisPutRecordActionProps extends CommonActionProps {
+  /**
+   * The partition key used to determine to which shard the data is written.
+   * The partition key is usually composed of an expression (for example, ${topic()} or ${timestamp()}).
+   *
+   * @see https://docs.aws.amazon.com/iot/latest/developerguide/iot-substitution-templates.html
+   *
+   * You can use the expression '${newuuid()}' if your payload does not have a high cardinarity property.
+   * If you use empty string, this action use no partition key and all records will put same one shard.
+   *
+   * @see https://docs.aws.amazon.com/kinesis/latest/APIReference/API_PutRecord.html#API_PutRecord_RequestParameters
+   */
+  readonly partitionKey: string;
+}
+
+/**
+ * The action to put the record from an MQTT message to the Kinesis Data stream.
+ */
+export class KinesisPutRecordAction implements iot.IAction {
+  private readonly partitionKey?: string;
+  private readonly role?: iam.IRole;
+
+  /**
+   * @param stream The Kinesis Data stream to which to put records.
+   * @param props Optional properties to not use default
+   */
+  constructor(private readonly stream: kinesis.IStream, props: KinesisPutRecordActionProps) {
+    this.partitionKey = props.partitionKey;
+    this.role = props.role;
+  }
+
+  bind(rule: iot.ITopicRule): iot.ActionConfig {
+    const role = this.role ?? singletonActionRole(rule);
+    role.addToPrincipalPolicy(new iam.PolicyStatement({
+      actions: ['kinesis:PutRecord'],
+      resources: [this.stream.streamArn],
+    }));
+
+    return {
+      configuration: {
+        kinesis: {
+          streamName: this.stream.streamName,
+          partitionKey: this.partitionKey || undefined,
+          roleArn: role.roleArn,
+        },
+      },
+    };
+  }
+}

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

@@ -90,6 +90,7 @@
     "@aws-cdk/aws-cloudwatch": "0.0.0",
     "@aws-cdk/aws-iam": "0.0.0",
     "@aws-cdk/aws-iot": "0.0.0",
+    "@aws-cdk/aws-kinesis": "0.0.0",
     "@aws-cdk/aws-kinesisfirehose": "0.0.0",
     "@aws-cdk/aws-lambda": "0.0.0",
     "@aws-cdk/aws-logs": "0.0.0",
@@ -104,6 +105,7 @@
     "@aws-cdk/aws-cloudwatch": "0.0.0",
     "@aws-cdk/aws-iam": "0.0.0",
     "@aws-cdk/aws-iot": "0.0.0",
+    "@aws-cdk/aws-kinesis": "0.0.0",
     "@aws-cdk/aws-kinesisfirehose": "0.0.0",
     "@aws-cdk/aws-lambda": "0.0.0",
     "@aws-cdk/aws-logs": "0.0.0",

packages/@aws-cdk/aws-iot-actions/test/kinesis-stream/integ.kinesis-put-record-action.expected.json

@@ -0,0 +1,116 @@
+{
+  "Resources": {
+    "TopicRule40A4EA44": {
+      "Type": "AWS::IoT::TopicRule",
+      "Properties": {
+        "TopicRulePayload": {
+          "Actions": [
+            {
+              "Kinesis": {
+                "PartitionKey": "${timestamp()}",
+                "RoleArn": {
+                  "Fn::GetAtt": [
+                    "TopicRuleTopicRuleActionRole246C4F77",
+                    "Arn"
+                  ]
+                },
+                "StreamName": {
+                  "Ref": "MyStream5C050E93"
+                }
+              }
+            }
+          ],
+          "AwsIotSqlVersion": "2016-03-23",
+          "Sql": "SELECT * FROM 'device/+/data'"
+        }
+      }
+    },
+    "TopicRuleTopicRuleActionRole246C4F77": {
+      "Type": "AWS::IAM::Role",
+      "Properties": {
+        "AssumeRolePolicyDocument": {
+          "Statement": [
+            {
+              "Action": "sts:AssumeRole",
+              "Effect": "Allow",
+              "Principal": {
+                "Service": "iot.amazonaws.com"
+              }
+            }
+          ],
+          "Version": "2012-10-17"
+        }
+      }
+    },
+    "TopicRuleTopicRuleActionRoleDefaultPolicy99ADD687": {
+      "Type": "AWS::IAM::Policy",
+      "Properties": {
+        "PolicyDocument": {
+          "Statement": [
+            {
+              "Action": "kinesis:PutRecord",
+              "Effect": "Allow",
+              "Resource": {
+                "Fn::GetAtt": [
+                  "MyStream5C050E93",
+                  "Arn"
+                ]
+              }
+            }
+          ],
+          "Version": "2012-10-17"
+        },
+        "PolicyName": "TopicRuleTopicRuleActionRoleDefaultPolicy99ADD687",
+        "Roles": [
+          {
+            "Ref": "TopicRuleTopicRuleActionRole246C4F77"
+          }
+        ]
+      }
+    },
+    "MyStream5C050E93": {
+      "Type": "AWS::Kinesis::Stream",
+      "Properties": {
+        "RetentionPeriodHours": 24,
+        "ShardCount": 3,
+        "StreamEncryption": {
+          "Fn::If": [
+            "AwsCdkKinesisEncryptedStreamsUnsupportedRegions",
+            {
+              "Ref": "AWS::NoValue"
+            },
+            {
+              "EncryptionType": "KMS",
+              "KeyId": "alias/aws/kinesis"
+            }
+          ]
+        },
+        "StreamModeDetails": {
+          "StreamMode": "PROVISIONED"
+        }
+      }
+    }
+  },
+  "Conditions": {
+    "AwsCdkKinesisEncryptedStreamsUnsupportedRegions": {
+      "Fn::Or": [
+        {
+          "Fn::Equals": [
+            {
+              "Ref": "AWS::Region"
+            },
+            "cn-north-1"
+          ]
+        },
+        {
+          "Fn::Equals": [
+            {
+              "Ref": "AWS::Region"
+            },
+            "cn-northwest-1"
+          ]
+        }
+      ]
+    }
+  }
+}

packages/@aws-cdk/aws-iot-actions/test/kinesis-stream/integ.kinesis-put-record-action.ts

@@ -0,0 +1,27 @@
+import * as iot from '@aws-cdk/aws-iot';
+import * as kinesis from '@aws-cdk/aws-kinesis';
+import * as cdk from '@aws-cdk/core';
+import * as actions from '../../lib';
+
+class TestStack extends cdk.Stack {
+  constructor(scope: cdk.App, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    const topicRule = new iot.TopicRule(this, 'TopicRule', {
+      sql: iot.IotSql.fromStringAsVer20160323(
+        "SELECT * FROM 'device/+/data'",
+      ),
+    });
+
+    const stream = new kinesis.Stream(this, 'MyStream', {
+      shardCount: 3,
+    });
+    topicRule.addAction(new actions.KinesisPutRecordAction(stream, {
+      partitionKey: '${timestamp()}',
+    }));
+  }
+}
+
+const app = new cdk.App();
+new TestStack(app, 'test-kinesis-stream-action-stack');
+app.synth();

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

@@ -0,0 +1,122 @@
+import { Template, Match } from '@aws-cdk/assertions';
+import * as iam from '@aws-cdk/aws-iam';
+import * as iot from '@aws-cdk/aws-iot';
+import * as kinesis from '@aws-cdk/aws-kinesis';
+import * as cdk from '@aws-cdk/core';
+import * as actions from '../../lib';
+
+test('Default kinesis stream action', () => {
+  // GIVEN
+  const stack = new cdk.Stack();
+  const topicRule = new iot.TopicRule(stack, 'MyTopicRule', {
+    sql: iot.IotSql.fromStringAsVer20160323("SELECT topic(2) as device_id FROM 'device/+/data'"),
+  });
+  const stream = kinesis.Stream.fromStreamArn(stack, 'MyStream', 'arn:aws:kinesis:xx-west-1:111122223333:stream/my-stream');
+
+  // WHEN
+  topicRule.addAction(new actions.KinesisPutRecordAction(stream, {
+    partitionKey: '${newuuid()}',
+  }));
+
+  // THEN
+  Template.fromStack(stack).hasResourceProperties('AWS::IoT::TopicRule', {
+    TopicRulePayload: {
+      Actions: [
+        {
+          Kinesis: {
+            StreamName: 'my-stream',
+            PartitionKey: '${newuuid()}',
+            RoleArn: {
+              'Fn::GetAtt': ['MyTopicRuleTopicRuleActionRoleCE2D05DA', 'Arn'],
+            },
+          },
+        },
+      ],
+    },
+  });
+
+  Template.fromStack(stack).hasResourceProperties('AWS::IAM::Role', {
+    AssumeRolePolicyDocument: {
+      Statement: [
+        {
+          Action: 'sts:AssumeRole',
+          Effect: 'Allow',
+          Principal: {
+            Service: 'iot.amazonaws.com',
+          },
+        },
+      ],
+      Version: '2012-10-17',
+    },
+  });
+
+  Template.fromStack(stack).hasResourceProperties('AWS::IAM::Policy', {
+    PolicyDocument: {
+      Statement: [
+        {
+          Action: 'kinesis:PutRecord',
+          Effect: 'Allow',
+          Resource: 'arn:aws:kinesis:xx-west-1:111122223333:stream/my-stream',
+        },
+      ],
+      Version: '2012-10-17',
+    },
+    PolicyName: 'MyTopicRuleTopicRuleActionRoleDefaultPolicy54A701F7',
+    Roles: [
+      { Ref: 'MyTopicRuleTopicRuleActionRoleCE2D05DA' },
+    ],
+  });
+});
+
+test('passes undefined to partitionKey if empty string is given', () => {
+  // GIVEN
+  const stack = new cdk.Stack();
+  const topicRule = new iot.TopicRule(stack, 'MyTopicRule', {
+    sql: iot.IotSql.fromStringAsVer20160323("SELECT topic(2) as device_id FROM 'device/+/data'"),
+  });
+  const stream = kinesis.Stream.fromStreamArn(stack, 'MyStream', 'arn:aws:kinesis:xx-west-1:111122223333:stream/my-stream');
+
+  // WHEN
+  topicRule.addAction(new actions.KinesisPutRecordAction(stream, {
+    partitionKey: '',
+  }));
+
+  // THEN
+  Template.fromStack(stack).hasResourceProperties('AWS::IoT::TopicRule', {
+    TopicRulePayload: {
+      Actions: [
+        Match.objectLike({ Kinesis: { PartitionKey: Match.absent() } }),
+      ],
+    },
+  });
+});
+
+test('can set role', () => {
+  // GIVEN
+  const stack = new cdk.Stack();
+  const topicRule = new iot.TopicRule(stack, 'MyTopicRule', {
+    sql: iot.IotSql.fromStringAsVer20160323("SELECT topic(2) as device_id FROM 'device/+/data'"),
+  });
+  const stream = kinesis.Stream.fromStreamArn(stack, 'MyStream', 'arn:aws:kinesis:xx-west-1:111122223333:stream/my-stream');
+  const role = iam.Role.fromRoleArn(stack, 'MyRole', 'arn:aws:iam::123456789012:role/ForTest');
+
+  // WHEN
+  topicRule.addAction(new actions.KinesisPutRecordAction(stream, {
+    partitionKey: '${newuuid()}',
+    role,
+  }));
+
+  // THEN
+  Template.fromStack(stack).hasResourceProperties('AWS::IoT::TopicRule', {
+    TopicRulePayload: {
+      Actions: [
+        Match.objectLike({ Kinesis: { RoleArn: 'arn:aws:iam::123456789012:role/ForTest' } }),
+      ],
+    },
+  });
+
+  Template.fromStack(stack).hasResourceProperties('AWS::IAM::Policy', {
+    PolicyName: 'MyRolePolicy64AB00A5',
+    Roles: ['ForTest'],
+  });
+});