AWSTemplateFormatVersion: 2010-09-09
Description: >-
  This template creates an EC2 instance that installs a .NET application
  on launch.
Parameters:
  WindowsAMIId:
    Description: >-
        Use the below value to automatically look up the latest published
        AMI ID for Windows Server 2019, or supply your own.
    Type: AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>
    Default: '/aws/service/ami-windows-latest/Windows_Server-2019-English-Core-Base'   
Resources:
  AppServerSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Enable HTTP and RDP
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 80
          ToPort: 80
          CidrIp: 0.0.0.0/0
  AppServerEIP:
    Type: AWS::EC2::EIP
    Properties:
      InstanceId:
        Ref: AppServer
  AppServer:
    Type: AWS::EC2::Instance
    Metadata:
      AWS::CloudFormation::Init:
        config:
          files:
            'c:\cfn\cfn-hup.conf':
              content: !Sub |
                [main]
                stack=${AWS::StackId}
                region=${AWS::Region}

            'c:\cfn\hooks.d\cfn-auto-reloader.conf':
              content: !Sub |
                [cfn-auto-reloader-hook]
                triggers=post.update
                path=Resources.AppServer.Metadata.AWS::CloudFormation::Init
                action=cfn-init.exe -v -s ${AWS::StackId} -r AppServer --region ${AWS::Region}

            'C:\AppServer\ASPNETCoreDemo.zip':
              source: 'http://s3.amazonaws.com/us-east-1.andyhoppatamazon.com/samples/ASPNETCoreDemo.zip'
            'C:\DotNet\aspdotnet-3.1-installer.exe':
              source: 'https://download.visualstudio.microsoft.com/download/pr/9b9f4a6e-aef8-41e0-90db-bae1b0cf4e34/4ab93354cdff8991d91a9f40d022d450/dotnet-hosting-3.1.6-win.exe'
          commands:
            1-install-aspdotnet:
              command: C:\DotNet\aspdotnet-3.1-installer.exe /install /quiet /norestart
            2-extract-appserver:
              command: 'powershell.exe /c "Expand-Archive C:\AppServer\ASPNetCoreDemo.zip C:\AppServer\ "'
            3-install-service:
              command: >-
                sc.exe create ASPNETCoreDemo
                binPath="C:\AppServer\ASPNETCoreDemo.exe
                --service
                --urls http://+:80"
            4-start-service:
              command: 'sc.exe start ASPNETCoreDemo'
            5-open-http-port:
              command: 'netsh advfirewall firewall add rule name="ASPNetCoreDemo" dir=in action=allow protocol=TCP localport=80'
          services:
            windows:
              cfn-hup:
                enabled: 'true'
                ensureRunning: 'true'
                files:
                  - 'c:\cfn\cfn-hup.conf'
                  - 'c:\cfn\hooks.d\cfn-auto-reloader.conf'
    Properties:
      InstanceType: t3.micro
      ImageId: !Ref WindowsAMIId
      SecurityGroups: [!Ref AppServerSecurityGroup]
      UserData:
        Fn::Base64: !Sub 
        - |
          <script>
          cfn-init.exe -v -s ${AWS::StackId} -r AppServer --region ${AWS::Region}
          cfn-signal.exe -e %ERRORLEVEL% '${EncodedAppServerWaitHandle}'
          </script>
        - EncodedAppServerWaitHandle:
            Fn::Base64: !Ref AppServerWaitHandle
  AppServerWaitHandle:
    Type: AWS::CloudFormation::WaitConditionHandle
  AppServerWaitCondition:
    Type: AWS::CloudFormation::WaitCondition
    DependsOn: AppServer
    Properties:
      Handle: !Ref AppServerWaitHandle
      Timeout: 600
Outputs:
  AppServerURL:
    Value: !Sub "http://${AppServerEIP}"
    Description: >-
      Application server URL.