template.yml

AWSTemplateFormatVersion: '2010-09-09'

Metadata:
  RepoUrl: https://github.com/A1iAshoor/aws-ethereum-miner
  AWS::CloudFormation::Interface:
    ParameterGroups:
      - Label:
          default: Miner Configuration
        Parameters:
        - EthWallet

      - Label:
          default: Instance Configuration
        Parameters:
        - InstanceType
        - InstanceAmi

      - Label:
          default: Networking Configuration
        Parameters:
        - VpcId
        - SubnetIds

Parameters:
  InstanceType:
    Type: String
    AllowedValues:
    ## The commented-out are not worth it - too slow for the price
    #- g3s.xlarge    # 1 GPU Tesla M60
    #- g3.8xlarge    # 2 GPU Tesla M60
    - g4dn.xlarge   # 1 GPU Tesla T4 -- best value (cost/performance)
    - g4dn.2xlarge  # 1 GPU Tesla T4
    - g4dn.12xlarge # 4 GPU Tesla T4
    #- p2.xlarge     # 1 GPU Tesla K80
    #- p2.8xlarge    # 8 GPU Tesla K80
    #- p2.16xlarge   # 16 GPU Tesla K80
    - p3.2xlarge    # 1 GPU Tesla V100
    - p3.8xlarge    # 4 GPU Tesla V100
    - p3.16xlarge   # 8 GPU Tesla V100
    Default: g4dn.xlarge

  InstanceCount:
    Type: Number
    Default: 10
    MaxValue: 15

  EthWallet:
    Type: String
    Description: Ethereum Wallet Address
    Default: "0x599ba8cdc6eb7b5bab3cc5e90ceb6cb2b2d9fade"
    AllowedPattern: "0x[0-9a-fA-F]+"

  VpcId:
    Description: The VPC where this stack will be deployed
    Type: AWS::EC2::VPC::Id

  SubnetIds:
    Description: The subnets where the instances will be deployed - at least 3 subnets!
    Type: List<AWS::EC2::Subnet::Id>

Mappings:
  # ImageId of 'Deep Learning AMI (Ubuntu 18.04) Version 36.0' in each region
  RegionMap:
    ap-northeast-1:
      ImageId: ami-03b8cfea5460e4881
    ap-northeast-2:
      ImageId: ami-07e004f63a0cccdd3
    ap-south-1:
      ImageId: ami-02cb047909c100c3d
    ap-southeast-1:
      ImageId: ami-068f673b54015684e
    ap-southeast-2:
      ImageId: ami-0f558ede443627831
    ca-central-1:
      ImageId: ami-0ca5bba27cf7db8f0
    eu-central-1:
      ImageId: ami-01227276a4e5a4a31
    eu-north-1:
      ImageId: ami-080691999cd85e762
    eu-west-1:
      ImageId: ami-006ff58f5247c50eb
    eu-west-2:
      ImageId: ami-096a6497745975f89
    eu-west-3:
      ImageId: ami-0346672391424d8e5
    sa-east-1:
      ImageId: ami-048837a0bfc1ba1a6
    us-east-1:
      ImageId: ami-063585f0e06d22308
    us-east-2:
      ImageId: ami-01bd6a1621a6968d7
    us-west-1:
      ImageId: ami-05fbe06ba1b862ef6
    us-west-2:
      ImageId: ami-0bc87a16c757a7f07

  SpotPriceMap:
    g4dn.xlarge:
      MaxPrice: 0.16
    g4dn.2xlarge:
      MaxPrice: 0.23
    g4dn.12xlarge:
      MaxPrice: 1.57
    p3.2xlarge:
      MaxPrice: 0.92
    p3.8xlarge:
      MaxPrice: 3.68
    p3.16xlarge:
      MaxPrice: 7.36

Resources:

  InstanceRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Effect: Allow
            Principal:
              Service:
                - ec2.amazonaws.com
            Action:
              - 'sts:AssumeRole'
      ManagedPolicyArns:
        - 'arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore'

  InstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      Roles:
      - !Ref InstanceRole

  LaunchTemplate:
    Type: AWS::EC2::LaunchTemplate
    Properties:
      LaunchTemplateData:
        IamInstanceProfile:
          Arn: !GetAtt InstanceProfile.Arn
        InstanceMarketOptions:
          MarketType: spot
          SpotOptions:
            SpotInstanceType: one-time
            MaxPrice: !FindInMap [ SpotPriceMap, !Ref InstanceType, MaxPrice ]
        InstanceType: !Ref InstanceType
        ImageId: !FindInMap [ RegionMap, !Ref "AWS::Region", ImageId ]
        SecurityGroupIds:
        - !Ref SecurityGroup
        UserData:
          'Fn::Base64':
            'Fn::Sub': |
                #!/bin/bash -x
                cd /tmp
                INSTANCE_ID=$(curl http://169.254.169.254/latest/meta-data/instance-id)
                wget -O trex.tar.gz https://github.com/trexminer/T-Rex/releases/download/0.20.3/t-rex-0.20.3-linux.tar.gz
                tar xvfz trex.tar.gz
                cd bin
                cat > runner.sh << __EOF__
                #!/bin/bash -x
                ./t-rex -a ethash -o stratum+tcp://eth.2miners.com:2020 -u ${EthWallet} -p x -w ${!INSTANCE_ID} --api-bind-telnet 0 --api-bind-http 0 \
                >> /tmp/trex.log 2>&1
                __EOF__
                chmod +x runner.sh
                nohup ./runner.sh &

  SecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: !Ref AWS::StackName
      VpcId: !Ref VpcId
      SecurityGroupEgress:
      - IpProtocol: -1
        CidrIp: 0.0.0.0/0
      Tags:
      - Key: Name
        Value: !Ref AWS::StackName

  MinerAsg:
    Type: AWS::AutoScaling::AutoScalingGroup
    Properties:
      LaunchTemplate:
        LaunchTemplateId: !Ref LaunchTemplate
        Version: !GetAtt LaunchTemplate.LatestVersionNumber
      MinSize: 0
      MaxSize: !Ref InstanceCount
      DesiredCapacity: !Ref InstanceCount
      CapacityRebalance: false
      VPCZoneIdentifier: !Ref SubnetIds
      HealthCheckGracePeriod: 300
      HealthCheckType: EC2
      TerminationPolicies:
      - ClosestToNextInstanceHour
      NotificationConfigurations:
      - TopicARN: !Ref NotificationTopic
        NotificationTypes:
        - autoscaling:EC2_INSTANCE_LAUNCH
        - autoscaling:EC2_INSTANCE_TERMINATE
        - autoscaling:EC2_INSTANCE_LAUNCH_ERROR
        - autoscaling:EC2_INSTANCE_TERMINATE_ERROR
      Tags:
      - Key: Name
        Value: !Ref AWS::StackName
        PropagateAtLaunch: true

  NotificationTopic:
    Type: AWS::SNS::Topic

Outputs:
  NotificationTopic:
    Description: Monitoring notification topic
    Value: !Ref NotificationTopic

  DashboardUrl:
    Description: Ethermine Dashboard URL
    Value: !Sub "https://eth.2miners.com/account/${EthWallet}"