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fix(ec2): Subnet cidr missing for Vpc.from_lookup() #12878

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merged 3 commits into from
Feb 9, 2021

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@DaWyz DaWyz commented Feb 5, 2021

When importing a VPC using Vpc.fromLookup(), the subnets are properly looked up and saved into the cdk.context.json. However, the Subnets object within the imported VPC don't have the CIDR attached and trying to access the subnet CIDR within the code triggers the following error:

You cannot reference an imported Subnet's IPv4 CIDR if it was not supplied. Add the ipv4CidrBlock when importing using Subnet.fromSubnetAttributes().

This PR fixes the issue.

closes #11821


By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

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gitpod-io bot commented Feb 5, 2021

@github-actions github-actions bot added the @aws-cdk/aws-ec2 Related to Amazon Elastic Compute Cloud label Feb 5, 2021
@rix0rrr rix0rrr changed the title fix(aws-ec2): Missing subnet cidr for imported Vpc fix(ec2): Subnet cidr missing for Vpc.from_lookup() Feb 9, 2021
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rix0rrr previously approved these changes Feb 9, 2021
@mergify mergify bot dismissed rix0rrr’s stale review February 9, 2021 09:50

Pull request has been modified.

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mergify bot commented Feb 9, 2021

Thank you for contributing! Your pull request will be updated from master and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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mergify bot commented Feb 9, 2021

Thank you for contributing! Your pull request will be updated from master and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

@mergify mergify bot merged commit 9028269 into aws:master Feb 9, 2021
TLadd pushed a commit to TLadd/aws-cdk that referenced this pull request Feb 9, 2021
When importing a VPC using `Vpc.fromLookup()`, the subnets are properly looked up and saved into the `cdk.context.json`. However, the Subnets object within the imported VPC don't have the CIDR attached and trying to access the subnet CIDR within the code triggers the following error:

> You cannot reference an imported Subnet's IPv4 CIDR if it was not supplied. Add the ipv4CidrBlock when importing using Subnet.fromSubnetAttributes().

This PR fixes the issue.

closes aws#11821

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
NovakGu pushed a commit to NovakGu/aws-cdk that referenced this pull request Feb 18, 2021
When importing a VPC using `Vpc.fromLookup()`, the subnets are properly looked up and saved into the `cdk.context.json`. However, the Subnets object within the imported VPC don't have the CIDR attached and trying to access the subnet CIDR within the code triggers the following error:

> You cannot reference an imported Subnet's IPv4 CIDR if it was not supplied. Add the ipv4CidrBlock when importing using Subnet.fromSubnetAttributes().

This PR fixes the issue.

closes aws#11821

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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(aws-ec2): Vpc.from_lookup Does Not Return Subnet IPv4 CIDR Information
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