CODEWITHSUNDEEP
amazon-web-servicesaws-cloudformationaws-cloudformation-custom-resource
Dcook
Dcook

Reputation: 961

How to get the subnet id for existing vpc subnet in cloudformation

I want to create a subnetgroup for redshift cluster: this template I found:

RedshiftClusterSubnetGroup:
    Type: AWS::Redshift::ClusterSubnetGroup
    Properties:
      Description: Cluster subnet group
      SubnetIds:
        - !Ref SubnetA
        - !Ref SubnetB

Lets say I have two already existed subnet names are: subnetA and subnet B How to use that if I dont want to create the subnet from template?

Upvotes: 1

Views: 881

Answers (1)

Marcin
Marcin

Reputation: 238081

You can define two parameters:

Parameters:
  SubnetA:
    Type: AWS::EC2::Subnet::Id
  SubnetB:
    Type: AWS::EC2::Subnet::Id

This way you can easily choose the existing subnets for your RedshiftClusterSubnetGroup.

Upvotes: 1

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