---
AWSTemplateFormatVersion: "2010-09-09"
Conditions:
  primaryRegion: !Equals [!Ref 'AWS::Region', !ImportValue PrimaryRegion]
Resources:
  subnet:
    Type: AWS::EC2::Subnet
    Properties:
      CidrBlock:
        Fn::ImportValue:
          Fn::ImportValue: CidrBlock
      VpcId:
        Fn::ImportValue:
        - PrimaryRegion