AWSTemplateFormatVersion: '2010-09-09'
Description: Vpc Stack with 2 public subnets in separate AZs
Metadata: {}
Parameters:
  TheVpcRange:
    Type: String
    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]))$
  TheSubnetRange:
    Type: String
    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]))$
  TheOtherSubnetRange:
    Type: String
    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]))$
  ThePublicIp:
    Type: String
    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]))$
Resources:
  TheVpc:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: !Ref 'TheVpcRange'
      EnableDnsHostnames: true
      EnableDnsSupport: true
      InstanceTenancy: default
      Tags:
        - Key: Name
          Value: !Sub '${AWS::StackName}-VPC'
  TheSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Select
        - 0
        - !GetAZs
          Ref: AWS::Region
      CidrBlock: !Ref 'TheSubnetRange'
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub '${AWS::StackName}-SUBNET'
      VpcId: !Ref 'TheVpc'
  TheOtherSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Select
        - 1
        - !GetAZs
          Ref: AWS::Region
      CidrBlock: !Ref 'TheOtherSubnetRange'
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub '${AWS::StackName}-OTHERSUBNET'
      VpcId: !Ref 'TheVpc'
  TheRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref 'TheVpc'
      Tags:
        - Key: Name
          Value: !Sub '${AWS::StackName}-RouteTable'
  TheSubnetRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref 'TheRouteTable'
      SubnetId: !Ref 'TheSubnet'
  TheOtherSubnetRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref 'TheRouteTable'
      SubnetId: !Ref 'TheOtherSubnet'
  TheGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: !Sub '${AWS::StackName}-InternetGateway'
  TheInternetVpcAssociation:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      InternetGatewayId: !Ref 'TheGateway'
      VpcId: !Ref 'TheVpc'
  TheRoute:
    Type: AWS::EC2::Route
    Properties:
      DestinationCidrBlock: !Ref 'ThePublicIp'
      GatewayId: !Ref 'TheGateway'
      RouteTableId: !Ref 'TheRouteTable'
Outputs:
  ThePublicIpWhite:
    Description: white listed public ip for access
    Value: !Ref 'ThePublicIp'
    Export:
      Name: allowed-ips
  SubnetId:
    Description: subnet to attach ec2 to
    Value: !Ref 'TheSubnet'
  OtherSubnetId:
    Description: subnet to attach ec2 to
    Value: !Ref 'TheOtherSubnet'
  VpcId:
    Description: vpc to attach security group to
    Value: !Ref 'TheVpc'