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Get outputs from cross-regional AWS CDK stacks

Project description

awscdk-jsii-template NPM version PyPI version Release

cdk-remote-stack

Get outputs from cross-regional AWS CDK stacks

Why

AWS CDK cross-regional cross-stack reference is not easy with the native AWS CDK construct library.

cdk-remote-stack aims to simplify the cross-regional cross-stack reference to help you easily build cross-regional multi-stack AWS CDK apps.

Sample

Let's say we have two cross-region CDK stacks in the same cdk app:

  1. stackJP - cdk stack in JP to create a SNS topic
  2. stackUS - cdk stack in US to get the Outputs from stackJP and print out the SNS TopicName from stackJP Outputs.
# Example automatically generated without compilation. See https://github.com/aws/jsii/issues/826
from cdk_remote_stack import StackOutputs
import aws_cdk.core as cdk
import aws_cdk.aws_sns as sns

app = cdk.App()

env_jP = {
    "region": "ap-northeast-1",
    "account": process.env.CDK_DEFAULT_ACCOUNT
}

env_uS = {
    "region": "us-west-2",
    "account": process.env.CDK_DEFAULT_ACCOUNT
}

# first stack in JP
stack_jP = cdk.Stack(app, "demo-stack-jp", env=env_jP)

topic = sns.Topic(stack_jP, "Topic")

cdk.CfnOutput(stack_jP, "TopicName", value=topic.topic_name)

# second stack in US
stack_uS = cdk.Stack(app, "demo-stack-us", env=env_uS)

# get the stackJP stack outputs from stackUS
outputs = StackOutputs(stack_uS, "Outputs", stack=stack_jP)

remote_output_value = outputs.get_att_string("TopicName")

# the value should be exactly the same with the output value of `TopicName`
cdk.CfnOutput(stack_uS, "RemoteTopicName", value=remote_output_value)

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