vpc.yml

AWSTemplateFormatVersion: 2010-09-09
Description: Create VPC with public subnet, internet gateway and default route


# aws cloudformation create-stack --stack-name vpc --template-body file://vpc.yml --parameters ParameterKey=VpcName,ParameterValue=test-vpc2 ParameterKey=VpcCidr,ParameterValue='10.99.0.0/16' ParameterKey=SubCidr,ParameterValue='10.99.10.0/24'

# aws cloudformation describe-stack-events --stack-name vpc
# aws cloudformation describe-stacks --stack-name vpc


Parameters:
  VpcName:
    Description: Name of VPCName
    Type: String

  VpcCidr:
    Description: Cidr for the VPC block
    Type: String

  SubCidr:
    Description: Cidr for the subnet
    Type: String

Resources:
  VPC:
    Type: "AWS::EC2::VPC"
    Properties:
      CidrBlock: !Ref VpcCidr
      EnableDnsSupport: True
      EnableDnsHostnames: True
      Tags:
        - Key: Name
          Value: !Ref VpcName

  Subnet:
    Type: "AWS::EC2::Subnet"
    Properties:
      CidrBlock: !Ref SubCidr
      MapPublicIpOnLaunch: true
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: CFTest

  InternetGW:
    Type: "AWS::EC2::InternetGateway"
    Properties:
      Tags:
        - Key: Name
          Value: CFTest

  VpcGwAttachment:
    Type: "AWS::EC2::VPCGatewayAttachment"
    Properties:
      InternetGatewayId: !Ref InternetGW
      VpcId: !Ref VPC

  # don't seem to be able to use the vpc's default route table
  RouteTable:
    Type: "AWS::EC2::RouteTable"
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: CFTest

  SubRtAss:
    Type: "AWS::EC2::SubnetRouteTableAssociation"
    Properties:
      RouteTableId: !Ref RouteTable
      SubnetId: !Ref Subnet

  DefaultRoute:
    Type: "AWS::EC2::Route"
    Properties:
      DestinationCidrBlock: "0.0.0.0/0"
      GatewayId: !Ref InternetGW
      RouteTableId: !Ref RouteTable


Outputs:
  VPCid:
    Description: the VPC id
    Value: !Ref VPC
  Subnet:
    Description: the subnet
    Value: !Ref Subnet