Get outputs from cross-regional AWS CDK stacks
Project description
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:
- stackJP - cdk stack in
JP
to create a SNS topic - stackUS - cdk stack in
US
to get the Outputs fromstackJP
and print out the SNSTopicName
fromstackJP
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
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)
cdk.CfnOutput(stack_jP, "TopicName", value="foo")
# second stack in US
stack_uS = cdk.Stack(app, "demo-stack-us", env=env_uS)
# ensure the dependency
stack_uS.add_dependency(stack_jP)
# 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)
always get the latest stack output
By default, the StackOutputs
construct will always try to get the latest output from the source stack, you may opt out by setting alwaysUpdate
to false
to turn this feature off.
For example:
# Example automatically generated without compilation. See https://github.com/aws/jsii/issues/826
outputs = StackOutputs(stack_uS, "Outputs",
stack=stack_jP,
always_update=False
)
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