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Support multiple regions - particularly CloudFront certificates (via stacks?) #565

0xdevalias opened this issue Sep 6, 2018 · 4 comments


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@0xdevalias 0xdevalias commented Sep 6, 2018

Since CloudFormation is tied to a single region, if I want to deploy in somewhere like ap-southeast-2 then I'm unable to do things within the same template for a different region (eg. us-east-1). This becomes an issue when I want to create a certificate for a non-regional CloudFront distribution (which has to be created in us-east-1), certificates in non-regional API Gateway, etc.

I expect it would be possible to do this using stacks and exports (or manually.. of course), but not sure if/how I would do this in a 'SAM friendly' way.

If this is already possible, perhaps some documentation/an example of how to do this would be useful?

My current workaround is just to use regional certificates for API Gateway.

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@txase txase commented Sep 6, 2018

We ( use custom resources to provision CloudFront certificates in us-east-1 even if the stack is created elsewhere. It's probably overkill to include into SAM directly, but it's your best bet for doing non-us-east-1 stacks with CloudFront distributions.

Feel free to reach me at if you want any details about how we do it. Or feel free to try Stackery, see how we do it, and replicate the functionality yourself.

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@0xdevalias 0xdevalias commented Sep 6, 2018

I was actually thinking that the custom resource route was going to be the way to go given the current state of things, though haven’t invested the time to explore that/contrast against what a stack based deploy might look like.

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@brettstack brettstack commented Sep 8, 2018

@0xdevalias one way to accomplish this is to have a CloudFormation stack in us-east-1 which creates your certificate, and then use Fn::ImportValue to reference it in your stack in ap-southeast-2.

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@0xdevalias 0xdevalias commented Sep 8, 2018

That was what I was thinking as well.. though hadn't yet explored whether I could deploy an entire 'stack' in a single SAM deploy.

ShreyaGangishetty pushed a commit to ShreyaGangishetty/serverless-application-model that referenced this issue Dec 24, 2019
ShreyaGangishetty pushed a commit to ShreyaGangishetty/serverless-application-model that referenced this issue Dec 24, 2019
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yvele added a commit to yvele/aws-cfn-custom-resource-lambda-edge that referenced this issue Jun 15, 2020
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