singleinstance.yaml

AWSTemplateFormatVersion: 2010-09-09
Description: >-
  Single EC2  CloudFormation Templates.
Parameters:
  VpcId:
    Type: 'AWS::EC2::VPC::Id'
    Description: VpcId of your existing Virtual Private Cloud (VPC)
    ConstraintDescription: must be the VPC Id of an existing Virtual Private Cloud.
  Subnets:
    Type: 'AWS::EC2::Subnet::Id'
    Description: The list of SubnetIds in your Virtual Private Cloud (VPC)
    ConstraintDescription: >-
      must be a list of at least two existing subnets associated with at least
      two different availability zones. They should be residing in the selected
      Virtual Private Cloud.
  InstanceType:
    Description: Ant Media Server EC2 instance type
    Type: String
    Default: t2.large
    AllowedValues:
      - t2.large
      - t2.xlarge
      - t2.2xlarge
      - m5.large
      - m5.xlarge
      - m5.2xlarge
      - m5.4xlarge
      - m5.12xlarge
      - m5.24xlarge
      - m4.large
      - m4.xlarge
      - m4.2xlarge
      - m4.4xlarge
      - m4.10xlarge
      - m4.16xlarge
      - c5d.large
      - c5d.xlarge
      - c5d.2xlarge
      - c5d.4xlarge
      - c5d.9xlarge
      - c5d.18xlarge
      - c5.large
      - c5.xlarge
      - c5.2xlarge
      - c5.4xlarge
      - c5.9xlarge
      - c5.12xlarge
      - c5.18xlarge
      - c5.24xlarge
      - c4.large
      - c4.xlarge
      - c4.2xlarge
      - c4.4xlarge
      - c4.8xlarge
    ConstraintDescription: must be a valid EC2 instance type.
  KeyName:
    Description: Name of an existing EC2 KeyPair to enable SSH access to the instances
    Type: 'AWS::EC2::KeyPair::KeyName'
    MinLength: '1'
    MaxLength: '255'
    AllowedPattern: '[\x20-\x7E]*'
    ConstraintDescription: can contain only ASCII characters.
  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.
  ElasticIPAddress: 
    Description: If you want to assign an Elastic IP Address, please select True
    Default: false
    Type: String
    AllowedValues: 
      - true
      - false
  ImageID:
    Description: ImageID 
    Type: String
    ConstraintDescription: must be a valid Image Id 
Conditions:
  CreateIP: !Equals 
    - !Ref ElasticIPAddress
    - true

Resources:
  TestSecurityGroup:
      Type: 'AWS::EC2::SecurityGroup'
      Properties:
        VpcId: !Ref VpcId
        GroupDescription: Test SecurityGroup
        SecurityGroupIngress:
          - IpProtocol: tcp
            FromPort: '22'
            ToPort: '22'
            CidrIp: 0.0.0.0/0
  TestInstance:
      Type: 'AWS::EC2::Instance'
      Properties:
        KeyName: !Ref KeyName
        ImageId: !Ref ImageID
        InstanceType: !Ref InstanceType
        SubnetId: !Ref Subnets
        SecurityGroupIds:
          - !GetAtt TestSecurityGroup.GroupId
        Tags:
        - Key: Name
          Value: ${AWS::StackName}
        UserData:
          Fn::Base64: !Sub |
            #!/bin/bash
            apt-get update 
            apt-get install -y python-pip
            apt-get install -y python-setuptools
            mkdir -p /opt/aws/bin
            python /usr/lib/python2.7/dist-packages/easy_install.py --script-dir /opt/aws/bin https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz
            /opt/aws/bin/cfn-signal -e $? --stack ${AWS::StackName} --resource TestInstance --region ${AWS::Region}

  ElasticIP:
    Type: AWS::EC2::EIP
    Condition: CreateIP
    Properties:
      Domain: "vpc"
  ElasticIPAssignment:
    Type: AWS::EC2::EIPAssociation
    Condition: CreateIP
    Properties:
      EIP: !Ref ElasticIP
      InstanceId: !Ref TestInstance
Outputs:
  InstanceElasticIP:
    Description: Elastic IP Address
    Condition: CreateIP
    Value: !Ref ElasticIP
  PublicIPV4:
    Description: Public IP Address
    Value: !GetAtt TestInstance.PublicIp
    Export:
      Name: !Sub "${AWS::StackName}-PublicIp"