launch.ec2.yml

# http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/sample-templates-services-us-west-2.html#w1ab2c21c45c15c15
# Amazon EC2 instance in a security group Creates an Amazon EC2 instance in an Amazon EC2 security group.
---
AWSTemplateFormatVersion: '2010-09-09'
Description: 'AWS CloudFormation Sample Template EC2InstanceWithSecurityGroupSample:
  Create an Amazon EC2 instance running the Amazon Linux AMI. The AMI is chosen based
  on the region in which the stack is run. This example creates an EC2 security group
  for the instance to give you SSH access. **WARNING** This template creates an Amazon
  EC2 instance. You will be billed for the AWS resources used if you create a stack
  from this template.'
Parameters:
  KeyName:
    Description: Name of an existing EC2 KeyPair to enable SSH access to the instance
    Type: AWS::EC2::KeyPair::KeyName
    ConstraintDescription: must be the name of an existing EC2 KeyPair.
  InstanceType:
    Description: WebServer EC2 instance type
    Type: String
    Default: t2.xlarge
    AllowedValues:
    - t2.large
    - t2.xlarge
    ConstraintDescription: must be a valid EC2 instance type.
  SSHLocation:
    Description: The IP address range that can be used to SSH to the EC2 instances
    Type: String
    MinLength: '9'
    MaxLength: '18'
    Default: 0.0.0.0/0
    AllowedPattern: "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})"
    ConstraintDescription: must be a valid IP CIDR range of the form x.x.x.x/x.
Mappings:
  AWSInstanceType2Arch:
    t2.large:
      Arch: HVM64
    t2.xlarge:
      Arch: HVM64
Resources:
  EC2Instance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType:
        Ref: InstanceType
      SecurityGroups:
      - Ref: InstanceSecurityGroup
      KeyName:
        Ref: KeyName
      ImageId: ami-0db6a09e9ade44bb3
      Tags:
        - Key: Name
          Value: ApprovalTests.java.StarterProject
      UserData: 
        Fn::Base64: <powershell>Invoke-WebRequest -UseBasicParsing https://raw.githubusercontent.com/approvals/ApprovalTests.java/master/install.windows.ps1 | Invoke-Expression</powershell>
  InstanceSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Enable RDP access via port 3389
      SecurityGroupIngress:
      - IpProtocol: tcp
        FromPort: '3389'
        ToPort: '3389'
        CidrIp:
          Ref: SSHLocation
Outputs:
  InstanceId: 
    Description: InstanceId of the newly created EC2 instance
    Value:
      Ref: EC2Instance
  AZ:
    Description: Availability Zone of the newly created EC2 instance
    Value:
      Fn::GetAtt:
      - EC2Instance
      - AvailabilityZone
  PublicDNS:
    Description: Public DNSName of the newly created EC2 instance
    Value:
      Fn::GetAtt:
      - EC2Instance
      - PublicDnsName

  PublicIP:
    Description: Public IP address of the newly created EC2 instance
    Value:
      Fn::GetAtt:
      - EC2Instance
      - PublicIp