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AWSTemplateFormatVersion: '2010-09-09'
Description: DNS template

Parameters:
  VpcId:
    Type: String
    Description: VPC associated with the private hosted zone.
  PrivateDomainName:
    Type: String
    Description: Domain name for the private hosted zone.
  StorageInstanceIp:
    Type: String
    Description: Storage instance private ip.

Resources:
  PrivateHostedZone: 
    Type: "AWS::Route53::HostedZone"
    Properties: 
      Name: !Ref PrivateDomainName
      VPCs: 
        - VPCId: !Ref VpcId
          VPCRegion: !Ref AWS::Region

  PrivateHostedZoneRecord:
    Type: AWS::Route53::RecordSet
    Properties:
      HostedZoneId: !Ref PrivateHostedZone
      Type: A
      Name: !Join ["", ["storage", ".", !Ref PrivateDomainName]]
      TTL: 900
      ResourceRecords:
        - !Ref StorageInstanceIp

Outputs:
  StorageInstanceDNS:
    Description: DNS record of storage instance.
    Value: !Ref PrivateHostedZoneRecord