AWSTemplateFormatVersion: 2010-09-09
Parameters:
  AvailabilityZones:
    Description: >-
      List of Availability Zones to use for the subnets in the VPC. Only two
      Availability Zones are used for this deployment, and the logical order of
      your selections is preserved.
    Type: 'List<AWS::EC2::AvailabilityZone::Name>'
  KeyPairName:
    Description: >-
      The name of an existing public/private key pair, which allows you to
      securely connect to your instance after it launches
    Type: 'AWS::EC2::KeyPair::KeyName'
  EmailAddress:
    Description: Email Address for notification
    Type: String
    AllowedPattern: >-
      ([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)
    ConstraintDescription: Must be a valid email id.
  WebserverCIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/([0-9]|[1-2][0-9]|3[0-2]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/x
    Description: Allowed CIDR block for  webserver access
    Type: String
  RemoteAccessCIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/([0-9]|[1-2][0-9]|3[0-2]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/x
    Description: Allowed CIDR block for external SSH access
    Type: String
  PrivateSubnet1CIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-8]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-28
    Default: 10.0.0.0/19
    Description: CIDR block for private subnet 1 located in Availability Zone 1
    Type: String
  PrivateSubnet2CIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-8]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-28
    Default: 10.0.32.0/19
    Description: CIDR block for private subnet 2 located in Availability Zone 2
    Type: String
  PublicSubnet1CIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-8]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-28
    Default: 10.0.128.0/20
    Description: CIDR block for the public (DMZ) subnet 1 located in Availability Zone 1
    Type: String
  PublicSubnet2CIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-8]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-28
    Default: 10.0.144.0/20
    Description: CIDR block for the public (DMZ) subnet 2 located in Availability Zone 2
    Type: String
  QSS3BucketName:
    AllowedPattern: '^[0-9a-zA-Z]+([0-9a-zA-Z-]*[0-9a-zA-Z])*$'
    ConstraintDescription: >-
      Quick Start bucket name can include numbers, lowercase letters, uppercase
      letters, and hyphens (-). It cannot start or end with a hyphen (-).
    Default: aws-quickstart
    Description: >-
      S3 bucket name for the Quick Start assets. This string can include
      numbers, lowercase letters, uppercase letters, and hyphens (-). It cannot
      start or end with a hyphen (-).
    Type: String
  QSS3BucketRegion:
    Default: 'us-east-1'
    Description: 'The AWS Region where the Quick Start S3 bucket (QSS3BucketName) is hosted. When using your own bucket, you must specify this value.'
    Type: String
  QSS3KeyPrefix:
    AllowedPattern: '^[0-9a-zA-Z-/]*$'
    ConstraintDescription: >-
      Quick Start key prefix can include numbers, lowercase letters, uppercase
      letters, hyphens (-), and forward slash (/).
    Default: implementing/
    Description: >-
      S3 key prefix for the Quick Start assets. Quick Start key prefix can
      include numbers, lowercase letters, uppercase letters, hyphens (-), and
      forward slash (/).
    Type: String
  VPCCIDR:
    AllowedPattern: >-
      ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-8]))$
    ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-28
    Default: 10.0.0.0/16
    Description: CIDR block for the VPC
    Type: String
Conditions:
  UsingDefaultBucket: !Equals [!Ref QSS3BucketName, 'aws-quickstart']
Resources:
  VPCStack:
    Type: 'AWS::CloudFormation::Stack'
    Properties:
      TemplateURL:
        !Sub
          - https://${S3Bucket}.s3.${S3Region}.${AWS::URLSuffix}/${QSS3KeyPrefix}submodules/quickstart-aws-vpc/templates/aws-vpc.template
          - S3Region: !If [UsingDefaultBucket, !Ref 'AWS::Region', !Ref QSS3BucketRegion]
            S3Bucket: !If [UsingDefaultBucket, !Sub '${QSS3BucketName}-${AWS::Region}', !Ref QSS3BucketName]
      Parameters:
        AvailabilityZones: !Join 
          - ','
          - !Ref AvailabilityZones
        KeyPairName: !Ref KeyPairName
        NumberOfAZs: '2'
        PrivateSubnet1ACIDR: !Ref PrivateSubnet1CIDR
        PrivateSubnet2ACIDR: !Ref PrivateSubnet2CIDR
        PublicSubnet1CIDR: !Ref PublicSubnet1CIDR
        PublicSubnet2CIDR: !Ref PublicSubnet2CIDR
        VPCCIDR: !Ref VPCCIDR