aws.yaml

AWSTemplateFormatVersion: 2010-09-09
Description: Create two EC2 instances, one for cron and one for mongo
Resources:
  CronInstance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t2.micro
      ImageId: ami-0123456789abcdef0
      SecurityGroups:
        - !Ref CronSecurityGroup
      UserData:
        Fn::Base64: |
          #!/bin/bash
          echo "Installing cron"
          sudo apt-get install cron
          echo "Adding cron job"
          echo "*/1 * * * * echo 'Hello World!' >> /var/log/cron.log" | sudo crontab -
  MongoInstance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t2.micro
      ImageId: ami-0123456789abcdef0
      SecurityGroups:
        - !Ref MongoSecurityGroup
      UserData:
        Fn::Base64: |
          #!/bin/bash
          echo "Installing mongo"
          sudo apt-get install mongodb
          echo "Starting mongo"
          sudo service mongodb start
  CronSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Allow access to cron
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 22
          ToPort: 22
          CidrIp: 0.0.0.0/0
  MongoSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Allow access to mongo
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 27017
          ToPort: 27017
          CidrIp: 0.0.0.0/0