# aws-eventbridge-sns module
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---
<!--END STABILITY BANNER-->
| **Reference Documentation**:| <span style="font-weight: normal">https://docs.aws.amazon.com/solutions/latest/constructs/</span>|
|:-------------|:-------------|
<div style="height:8px"></div>
| **Language** | **Package** |
|:-------------|-----------------|
| Python|`aws_solutions_constructs.aws_eventbridge_sns`|
| Typescript|`@aws-solutions-constructs/aws-eventbridge-sns`|
| Java|`software.amazon.awsconstructs.services.eventbridgesns`|
## Overview
This AWS Solutions Construct implements an AWS Events rule and an AWS SNS Topic.
Here is a minimal deployable pattern definition:
Typescript
```python
import { Construct } from 'constructs';
import { Stack, StackProps, Duration } from 'aws-cdk-lib';
import * as events from 'aws-cdk-lib/aws-events';
import * as iam from 'aws-cdk-lib/aws-iam';
import { EventbridgeToSnsProps, EventbridgeToSns } from "@aws-solutions-constructs/aws-eventbridge-sns";
const constructProps: EventbridgeToSnsProps = {
eventRuleProps: {
schedule: events.Schedule.rate(Duration.minutes(5))
}
};
const constructStack = new EventbridgeToSns(this, 'test-construct', constructProps);
// Grant yourself permissions to use the Customer Managed KMS Key
const policyStatement = new iam.PolicyStatement({
actions: ["kms:Encrypt", "kms:Decrypt"],
effect: iam.Effect.ALLOW,
principals: [new iam.AccountRootPrincipal()],
resources: ["*"]
});
constructStack.encryptionKey?.addToResourcePolicy(policyStatement);
```
Python
```Python
from aws_solutions_constructs.aws_eventbridge_sns import EventbridgeToSns, EventbridgeToSnsProps
from aws_cdk import (
aws_events as events,
aws_iam as iam,
Duration,
Stack
)
from constructs import Construct
construct_stack = EventbridgeToSns(self, 'test-construct',
event_rule_props=events.RuleProps(
schedule=events.Schedule.rate(
Duration.minutes(5))
))
# Grant yourself permissions to use the Customer Managed KMS Key
policy_statement = iam.PolicyStatement(
actions=["kms:Encrypt", "kms:Decrypt"],
effect=iam.Effect.ALLOW,
principals=[iam.AccountRootPrincipal()],
resources=["*"]
)
construct_stack.encryption_key.add_to_resource_policy(policy_statement)
```
Java
```java
import software.constructs.Construct;
import java.util.List;
import software.amazon.awscdk.Stack;
import software.amazon.awscdk.StackProps;
import software.amazon.awscdk.Duration;
import software.amazon.awscdk.services.events.*;
import software.amazon.awscdk.services.iam.*;
import software.amazon.awsconstructs.services.eventbridgesns.*;
final EventbridgeToSns constructStack = new EventbridgeToSns(this, "test-construct",
new EventbridgeToSnsProps.Builder()
.eventRuleProps(new RuleProps.Builder()
.schedule(Schedule.rate(Duration.minutes(5)))
.build())
.build());
// Grant yourself permissions to use the Customer Managed KMS Key
final PolicyStatement policyStatement = PolicyStatement.Builder.create()
.actions(List.of("kms:Encrypt", "kms:Decrypt"))
.effect(Effect.ALLOW)
.principals(List.of(new AccountRootPrincipal()))
.resources(List.of("*"))
.build();
constructStack.getEncryptionKey().addToResourcePolicy(policyStatement);
```
## Pattern Construct Props
| **Name** | **Type** | **Description** |
|:-------------|:----------------|-----------------|
|eventRuleProps|[`events.RuleProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.RuleProps.html)|User provided eventRuleProps to override the defaults. |
|existingTopicObj?|[`sns.Topic`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Function.html)|Existing instance of SNS Topic object, providing both this and `topicProps` will cause an error.|
|topicProps?|[`sns.TopicProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_sns.TopicProps.html)|User provided props to override the default props for the SNS Topic. |
|existingEventBusInterface?|[`events.IEventBus`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.IEventBus.html)| Optional user-provided custom EventBus for construct to use. Providing both this and `eventBusProps` results an error.|
|eventBusProps?|[`events.EventBusProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.EventBusProps.html)|Optional user-provided properties to override the default properties when creating a custom EventBus. Setting this value to `{}` will create a custom EventBus using all default properties. If neither this nor `existingEventBusInterface` is provided the construct will use the `default` EventBus. Providing both this and `existingEventBusInterface` results an error.|
|enableEncryptionWithCustomerManagedKey?|`boolean`|If no key is provided, this flag determines whether the SNS Topic is encrypted with a new CMK or an AWS managed key. This flag is ignored if any of the following are defined: topicProps.masterKey, encryptionKey or encryptionKeyProps.|
|encryptionKey?|[`kms.Key`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_kms.Key.html)|An optional, imported encryption key to encrypt the SNS Topic with.|
|encryptionKeyProps?|[`kms.KeyProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_kms.Key.html#construct-props)|Optional user provided properties to override the default properties for the KMS encryption key used to encrypt the SNS Topic with.|
## Pattern Properties
| **Name** | **Type** | **Description** |
|:-------------|:----------------|-----------------|
|eventBus?|[`events.IEventBus`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.IEventBus.html)|Returns the instance of events.IEventBus used by the construct|
|eventsRule|[`events.Rule`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.Rule.html)|Returns an instance of events.Rule created by the construct|
|snsTopic|[`sns.Topic`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_sns.Topic.html)|Returns an instance of sns.Topic created by the construct|
|encryptionKey?|[`kms.Key`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_kms.Key.html)|Returns an instance of kms Key used for the SNS Topic.|
## Default settings
Out of the box implementation of the Construct without any override will set the following defaults:
### Amazon EventBridge Rule
* Grant least privilege permissions to EventBridge Rule to publish to the SNS Topic.
### Amazon SNS Topic
* Configure least privilege access permissions for SNS Topic.
* Enable server-side encryption forSNS Topic using Customer managed KMS Key.
* Enforce encryption of data in transit.
## Architecture
---
© Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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"description": "# aws-eventbridge-sns module\n\n<!--BEGIN STABILITY BANNER-->---\n\n\n\n\n---\n<!--END STABILITY BANNER-->\n\n| **Reference Documentation**:| <span style=\"font-weight: normal\">https://docs.aws.amazon.com/solutions/latest/constructs/</span>|\n|:-------------|:-------------|\n\n<div style=\"height:8px\"></div>\n\n| **Language** | **Package** |\n|:-------------|-----------------|\n| Python|`aws_solutions_constructs.aws_eventbridge_sns`|\n| Typescript|`@aws-solutions-constructs/aws-eventbridge-sns`|\n| Java|`software.amazon.awsconstructs.services.eventbridgesns`|\n\n## Overview\n\nThis AWS Solutions Construct implements an AWS Events rule and an AWS SNS Topic.\n\nHere is a minimal deployable pattern definition:\n\nTypescript\n\n```python\nimport { Construct } from 'constructs';\nimport { Stack, StackProps, Duration } from 'aws-cdk-lib';\nimport * as events from 'aws-cdk-lib/aws-events';\nimport * as iam from 'aws-cdk-lib/aws-iam';\nimport { EventbridgeToSnsProps, EventbridgeToSns } from \"@aws-solutions-constructs/aws-eventbridge-sns\";\n\nconst constructProps: EventbridgeToSnsProps = {\n eventRuleProps: {\n schedule: events.Schedule.rate(Duration.minutes(5))\n }\n};\n\nconst constructStack = new EventbridgeToSns(this, 'test-construct', constructProps);\n\n// Grant yourself permissions to use the Customer Managed KMS Key\nconst policyStatement = new iam.PolicyStatement({\n actions: [\"kms:Encrypt\", \"kms:Decrypt\"],\n effect: iam.Effect.ALLOW,\n principals: [new iam.AccountRootPrincipal()],\n resources: [\"*\"]\n});\n\nconstructStack.encryptionKey?.addToResourcePolicy(policyStatement);\n```\n\nPython\n\n```Python\nfrom aws_solutions_constructs.aws_eventbridge_sns import EventbridgeToSns, EventbridgeToSnsProps\nfrom aws_cdk import (\n aws_events as events,\n aws_iam as iam,\n Duration,\n Stack\n)\nfrom constructs import Construct\n\nconstruct_stack = EventbridgeToSns(self, 'test-construct',\n event_rule_props=events.RuleProps(\n schedule=events.Schedule.rate(\n Duration.minutes(5))\n ))\n\n# Grant yourself permissions to use the Customer Managed KMS Key\npolicy_statement = iam.PolicyStatement(\n actions=[\"kms:Encrypt\", \"kms:Decrypt\"],\n effect=iam.Effect.ALLOW,\n principals=[iam.AccountRootPrincipal()],\n resources=[\"*\"]\n)\n\nconstruct_stack.encryption_key.add_to_resource_policy(policy_statement)\n```\n\nJava\n\n```java\nimport software.constructs.Construct;\nimport java.util.List;\n\nimport software.amazon.awscdk.Stack;\nimport software.amazon.awscdk.StackProps;\nimport software.amazon.awscdk.Duration;\nimport software.amazon.awscdk.services.events.*;\nimport software.amazon.awscdk.services.iam.*;\nimport software.amazon.awsconstructs.services.eventbridgesns.*;\n\nfinal EventbridgeToSns constructStack = new EventbridgeToSns(this, \"test-construct\",\n new EventbridgeToSnsProps.Builder()\n .eventRuleProps(new RuleProps.Builder()\n .schedule(Schedule.rate(Duration.minutes(5)))\n .build())\n .build());\n\n// Grant yourself permissions to use the Customer Managed KMS Key\nfinal PolicyStatement policyStatement = PolicyStatement.Builder.create()\n .actions(List.of(\"kms:Encrypt\", \"kms:Decrypt\"))\n .effect(Effect.ALLOW)\n .principals(List.of(new AccountRootPrincipal()))\n .resources(List.of(\"*\"))\n .build();\n\nconstructStack.getEncryptionKey().addToResourcePolicy(policyStatement);\n```\n\n## Pattern Construct Props\n\n| **Name** | **Type** | **Description** |\n|:-------------|:----------------|-----------------|\n|eventRuleProps|[`events.RuleProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.RuleProps.html)|User provided eventRuleProps to override the defaults. |\n|existingTopicObj?|[`sns.Topic`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Function.html)|Existing instance of SNS Topic object, providing both this and `topicProps` will cause an error.|\n|topicProps?|[`sns.TopicProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_sns.TopicProps.html)|User provided props to override the default props for the SNS Topic. |\n|existingEventBusInterface?|[`events.IEventBus`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.IEventBus.html)| Optional user-provided custom EventBus for construct to use. Providing both this and `eventBusProps` results an error.|\n|eventBusProps?|[`events.EventBusProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.EventBusProps.html)|Optional user-provided properties to override the default properties when creating a custom EventBus. Setting this value to `{}` will create a custom EventBus using all default properties. If neither this nor `existingEventBusInterface` is provided the construct will use the `default` EventBus. Providing both this and `existingEventBusInterface` results an error.|\n|enableEncryptionWithCustomerManagedKey?|`boolean`|If no key is provided, this flag determines whether the SNS Topic is encrypted with a new CMK or an AWS managed key. This flag is ignored if any of the following are defined: topicProps.masterKey, encryptionKey or encryptionKeyProps.|\n|encryptionKey?|[`kms.Key`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_kms.Key.html)|An optional, imported encryption key to encrypt the SNS Topic with.|\n|encryptionKeyProps?|[`kms.KeyProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_kms.Key.html#construct-props)|Optional user provided properties to override the default properties for the KMS encryption key used to encrypt the SNS Topic with.|\n\n## Pattern Properties\n\n| **Name** | **Type** | **Description** |\n|:-------------|:----------------|-----------------|\n|eventBus?|[`events.IEventBus`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.IEventBus.html)|Returns the instance of events.IEventBus used by the construct|\n|eventsRule|[`events.Rule`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_events.Rule.html)|Returns an instance of events.Rule created by the construct|\n|snsTopic|[`sns.Topic`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_sns.Topic.html)|Returns an instance of sns.Topic created by the construct|\n|encryptionKey?|[`kms.Key`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_kms.Key.html)|Returns an instance of kms Key used for the SNS Topic.|\n\n## Default settings\n\nOut of the box implementation of the Construct without any override will set the following defaults:\n\n### Amazon EventBridge Rule\n\n* Grant least privilege permissions to EventBridge Rule to publish to the SNS Topic.\n\n### Amazon SNS Topic\n\n* Configure least privilege access permissions for SNS Topic.\n* Enable server-side encryption forSNS Topic using Customer managed KMS Key.\n* Enforce encryption of data in transit.\n\n## Architecture\n\n\n\n---\n\n\n\u00a9 Copyright Amazon.com, Inc. or its affiliates. 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