aws-pools.yaml

AWSTemplateFormatVersion: '2010-09-09'
Description: CloudFormation template for creating an EC2 instance with S3 access.

Parameters:
  UbuntuAmiId:
    Type: String
    Description: The AMI ID for the Ubuntu instance
  SeedParameter:
    Type: String
    Description: Seed parameter for the pool creation script

Resources:
  FulaInternetGateway:
    Type: AWS::EC2::InternetGateway

  FulaVPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: 10.0.0.0/16
      EnableDnsSupport: true
      EnableDnsHostnames: true

  FulaRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref FulaVPC

  FulaVPCGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref FulaVPC
      InternetGatewayId: !Ref FulaInternetGateway

  FulaRoute:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId: !Ref FulaRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref FulaInternetGateway

  FulaSubnetRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref FulaSubnet
      RouteTableId: !Ref FulaRouteTable

  FulaSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref FulaVPC
      CidrBlock: 10.0.0.0/24

  FulaSecurityGroup:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupName: fula-node
      GroupDescription: Security Group for Fula Node
      VpcId: !Ref FulaVPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: '22'
          ToPort: '22'
          CidrIp: 0.0.0.0/0
        - IpProtocol: tcp
          FromPort: '80'
          ToPort: '80'
          CidrIp: 0.0.0.0/0
        - IpProtocol: tcp
          FromPort: '443'
          ToPort: '443'
          CidrIp: 0.0.0.0/0

  FulaVolume:
    Type: AWS::EC2::Volume
    Properties:
      Size: 30
      AvailabilityZone: !GetAtt FulaEC2Instance.AvailabilityZone
      VolumeType: gp2

  FulaVolumeAttachment:
    Type: AWS::EC2::VolumeAttachment
    Properties:
      InstanceId: !Ref FulaEC2Instance
      VolumeId: !Ref FulaVolume
      Device: /dev/sdh

  FulaInstanceRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service: ec2.amazonaws.com
            Action: sts:AssumeRole
      Policies:
        - PolicyName: FulaInstancePolicy
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
              - Effect: Allow
                Action:
                  - s3:GetObject
                  - s3:PutObject
                Resource: 'arn:aws:s3:::fula-pools/*'

  FulaInstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      Roles:
        - !Ref FulaInstanceRole

  FulaEC2Instance:
    Type: 'AWS::EC2::Instance'
    Properties:
      InstanceType: m5.8xlarge
      IamInstanceProfile: !Ref FulaInstanceProfile
      ImageId: !Ref UbuntuAmiId
      KeyName: functionland
      Tags:
        - Key: Name
          Value: fula-pool
        - Key: Group
          Value: pools
      NetworkInterfaces:
        - DeviceIndex: '0'
          AssociatePublicIpAddress: true
          SubnetId: !Ref FulaSubnet
          GroupSet:
            - !Ref FulaSecurityGroup
      BlockDeviceMappings:
        - DeviceName: /dev/sda1
          Ebs:
            VolumeSize: 30
            DeleteOnTermination: true
            VolumeType: gp2
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash
          # Wait for the attached volume to become available
          while ! sudo lsblk | grep -q nvme1n1; do
            sleep 1
          done
          echo "EBS volume is attached"

          # Create a filesystem on the volume (if it's new)
          sudo mkfs -t ext4 /dev/nvme1n1 

          # Create the mount point directory
          sudo mkdir -p /uniondrive

          # Mount the volume
          sudo mount /dev/nvme1n1 /uniondrive
          sudo chown ubuntu:ubuntu /uniondrive
          sudo chmod 777 -R /uniondrive
          # Add an entry to /etc/fstab to auto-mount the volume on reboot
          echo "/dev/nvme1n1 /uniondrive ext4 defaults,nofail 0 2" | sudo tee -a /etc/fstab

          # Update and install NTP
          sudo apt-get update
          sudo apt-get install -y ntp

          # Once NTP is installed, query the NTP servers
          sudo ntpq -p

          # Clone the repository
          git clone https://github.com/functionland/automatic-poolnode-creation-script /home/ubuntu/automatic-poolnode-creation-script

          # Run the script with the provided seed parameter
          # sudo -u ubuntu bash /home/ubuntu/automatic-poolnode-creation-script/pool_creation.sh ${SeedParameter}