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aws-cdk.aws-sns-1.99.0
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The CDK Construct Library for AWS::SNS
| ویژگی | مقدار |
|---|---|
| سیستم عامل | OS Independent |
| نام فایل | aws-cdk.aws-sns-1.99.0 |
| نام | aws-cdk.aws-sns |
| نسخه کتابخانه | 1.99.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Amazon Web Services |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | https://github.com/aws/aws-cdk |
| آدرس اینترنتی | https://pypi.org/project/aws-cdk.aws-sns/ |
| مجوز | Apache-2.0 |
# Amazon Simple Notification Service Construct Library
<!--BEGIN STABILITY BANNER-->---
---
<!--END STABILITY BANNER-->
Add an SNS Topic to your stack:
```python
topic = sns.Topic(self, "Topic",
display_name="Customer subscription topic"
)
```
Add a FIFO SNS topic with content-based de-duplication to your stack:
```python
topic = sns.Topic(self, "Topic",
content_based_deduplication=True,
display_name="Customer subscription topic",
fifo=True,
topic_name="customerTopic"
)
```
Note that FIFO topics require a topic name to be provided. The required `.fifo` suffix will be automatically added to the topic name if it is not explicitly provided.
## Subscriptions
Various subscriptions can be added to the topic by calling the
`.addSubscription(...)` method on the topic. It accepts a *subscription* object,
default implementations of which can be found in the
`@aws-cdk/aws-sns-subscriptions` package:
Add an HTTPS Subscription to your topic:
```python
my_topic = sns.Topic(self, "MyTopic")
my_topic.add_subscription(subscriptions.UrlSubscription("https://foobar.com/"))
```
Subscribe a queue to the topic:
```python
# queue: sqs.Queue
my_topic = sns.Topic(self, "MyTopic")
my_topic.add_subscription(subscriptions.SqsSubscription(queue))
```
Note that subscriptions of queues in different accounts need to be manually confirmed by
reading the initial message from the queue and visiting the link found in it.
### Filter policy
A filter policy can be specified when subscribing an endpoint to a topic.
Example with a Lambda subscription:
```python
import aws_cdk.aws_lambda as lambda_
# fn: lambda.Function
my_topic = sns.Topic(self, "MyTopic")
# Lambda should receive only message matching the following conditions on attributes:
# color: 'red' or 'orange' or begins with 'bl'
# size: anything but 'small' or 'medium'
# price: between 100 and 200 or greater than 300
# store: attribute must be present
my_topic.add_subscription(subscriptions.LambdaSubscription(fn,
filter_policy={
"color": sns.SubscriptionFilter.string_filter(
allowlist=["red", "orange"],
match_prefixes=["bl"]
),
"size": sns.SubscriptionFilter.string_filter(
denylist=["small", "medium"]
),
"price": sns.SubscriptionFilter.numeric_filter(
between=sns.BetweenCondition(start=100, stop=200),
greater_than=300
),
"store": sns.SubscriptionFilter.exists_filter()
}
))
```
### Example of Firehose Subscription
```python
from aws_cdk.aws_kinesisfirehose import DeliveryStream
# stream: DeliveryStream
topic = sns.Topic(self, "Topic")
sns.Subscription(self, "Subscription",
topic=topic,
endpoint=stream.delivery_stream_arn,
protocol=sns.SubscriptionProtocol.FIREHOSE,
subscription_role_arn="SAMPLE_ARN"
)
```
## DLQ setup for SNS Subscription
CDK can attach provided Queue as DLQ for your SNS subscription.
See the [SNS DLQ configuration docs](https://docs.aws.amazon.com/sns/latest/dg/sns-configure-dead-letter-queue.html) for more information about this feature.
Example of usage with user provided DLQ.
```python
topic = sns.Topic(self, "Topic")
dl_queue = sqs.Queue(self, "DeadLetterQueue",
queue_name="MySubscription_DLQ",
retention_period=Duration.days(14)
)
sns.Subscription(self, "Subscription",
endpoint="endpoint",
protocol=sns.SubscriptionProtocol.LAMBDA,
topic=topic,
dead_letter_queue=dl_queue
)
```
## CloudWatch Event Rule Target
SNS topics can be used as targets for CloudWatch event rules.
Use the `@aws-cdk/aws-events-targets.SnsTopic`:
```python
import aws_cdk.aws_codecommit as codecommit
import aws_cdk.aws_events_targets as targets
# repo: codecommit.Repository
my_topic = sns.Topic(self, "Topic")
repo.on_commit("OnCommit",
target=targets.SnsTopic(my_topic)
)
```
This will result in adding a target to the event rule and will also modify the
topic resource policy to allow CloudWatch events to publish to the topic.
## Topic Policy
A topic policy is automatically created when `addToResourcePolicy` is called, if
one doesn't already exist. Using `addToResourcePolicy` is the simplest way to
add policies, but a `TopicPolicy` can also be created manually.
```python
topic = sns.Topic(self, "Topic")
topic_policy = sns.TopicPolicy(self, "TopicPolicy",
topics=[topic]
)
topic_policy.document.add_statements(iam.PolicyStatement(
actions=["sns:Subscribe"],
principals=[iam.AnyPrincipal()],
resources=[topic.topic_arn]
))
```
A policy document can also be passed on `TopicPolicy` construction
```python
topic = sns.Topic(self, "Topic")
policy_document = iam.PolicyDocument(
assign_sids=True,
statements=[
iam.PolicyStatement(
actions=["sns:Subscribe"],
principals=[iam.AnyPrincipal()],
resources=[topic.topic_arn]
)
]
)
topic_policy = sns.TopicPolicy(self, "Policy",
topics=[topic],
policy_document=policy_document
)
```
نیازمندی
| مقدار | نام |
|---|---|
| ==1.179.0 | aws-cdk.aws-cloudwatch |
| ==1.179.0 | aws-cdk.aws-codestarnotifications |
| ==1.179.0 | aws-cdk.aws-events |
| ==1.179.0 | aws-cdk.aws-iam |
| ==1.179.0 | aws-cdk.aws-kms |
| ==1.179.0 | aws-cdk.aws-sqs |
| ==1.179.0 | aws-cdk.core |
| <4.0.0,>=3.3.69 | constructs |
| <2.0.0,>=1.70.0 | jsii |
| >=0.0.3 | publication |
| ~=2.13.3 | typeguard |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| ~=3.7 | Python |
نحوه نصب
نصب پکیج whl aws-cdk.aws-sns-1.99.0:
pip install aws-cdk.aws-sns-1.99.0.whl
نصب پکیج tar.gz aws-cdk.aws-sns-1.99.0:
pip install aws-cdk.aws-sns-1.99.0.tar.gz