frontnode-standalone.yaml

---
  AWSTemplateFormatVersion: 2010-09-09
  
  Description: >
    This template creates an automated continuous deployment pipeline to Amazon Elastic Container Service (ECS)
    Created by Luke Youngblood, luke@blockscale.net
  
  Parameters:
  
  # GitHub Parameters
  
    GitHubUser:
      Type: String
      Default: tqtezos
      Description: Your team or username on GitHub.
  
    NodeGitHubRepo:
      Type: String
      Default: node-docker
      Description: The repo name of the node service.
  
    NodeGitHubBranch:
      Type: String
      Default: testnet
      Description: The branch of the node repo to continuously deploy.
  
    GitHubToken:
      Type: String
      NoEcho: true
      Description: >
        Token for the team or user specified above. (https://github.com/settings/tokens)
  
  # VPC Parameters
  
    VPC:
      Type: AWS::EC2::VPC::Id
  
    Subnets:
      Type: List<AWS::EC2::Subnet::Id>
  
    VpcCIDR:
      Type: String
      Default: 10.100.0.0/16
  
  # ECS Parameters
  
    InstanceType:
      Type: String
      Default: i3.xlarge
  
    KeyPair:
      Type: AWS::EC2::KeyPair::KeyName
  
    SpotPrice:
      Type: Number
      Default: 0.172
  
    ClusterSize:
      Type: Number
      Default: 2
  
    NodeDesiredCount:
      Type: Number
      Default: 0
  
    NodeTaskName:
      Type: String
      Default: tezos-node
  
    ECSAMI:
      Type: AWS::SSM::Parameter::Value<String>
      Default: /aws/service/ecs/optimized-ami/amazon-linux/recommended/image_id
  
  # Tezos Parameters
  
    RpcPort:
      Type: Number
      Default: 8732
  
    NetPort:
      Type: Number
      Default: 9732
  
    Network:
      Type: String
      Default: delphinet
      AllowedValues:
        - mainnet
        - delphinet
        - edo2net

    Connections:
      Type: Number
      Default: 40
  
  Metadata:
  
    AWS::CloudFormation::Interface:
      ParameterLabels:
        GitHubUser:
          default: "User"
        NodeGitHubRepo:
          default: "Node Repo"
        NodeGitHubBranch:
          default: "Node Branch"
        GitHubToken:
          default: "Personal Access Token"
        VPC:
          default: "Choose which VPC the autoscaling group should be deployed to"
        Subnets:
          default: "Choose which subnets the autoscaling group should be deployed to"
        VpcCIDR:
          default: "VPC CIDR Block"
        InstanceType:
          default: "Which instance type should we use to build the ECS cluster?"
        KeyPair:
          default: "Which keypair should be used to allow SSH to the nodes?"
        ClusterSize:
          default: "How many ECS hosts do you want to initially deploy?"
        SpotPrice:
          default: "The maximum spot price to pay for instances - this should normally be set to the on demand price."
        NodeDesiredCount:
          default: "How many ECS Tasks do you want to initially execute?"
        NodeTaskName:
          default: "The name of the node ECS Task"
        ECSAMI:
          default: "The ECS AMI ID populated from SSM."
        RpcPort:
          default: "The RPC port used for communication with the local Tezos node"
        NetPort:
          default: "The TCP port used for connectivity to other Tezos peer nodes"
        Network:
          default: "The Tezos network you will be connecting to"
        Connections:
          default: "The number of peers the Tezos node will attempt to connect to"
      ParameterGroups:
        - Label:
            default: GitHub Configuration
          Parameters:
            - NodeGitHubRepo
            - NodeGitHubBranch
            - GitHubUser
            - GitHubToken
        - Label:
            default: VPC Configuration
          Parameters:
            - VPC
            - Subnets
            - VpcCIDR
        - Label:
            default: ECS Configuration
          Parameters:
            - InstanceType
            - KeyPair
            - SpotPrice
            - ClusterSize
            - NodeDesiredCount
            - NodeTaskName
            - ECSAMI
        - Label:
            default: Tezos Configuration
          Parameters:
            - RpcPort
            - NetPort
            - Network
            - Connections
  
  # Mappings
  
  Mappings:
  
    RegionMap:
      eu-west-1:
        mainnet: mainnet-updater-chainbucket-vwnool266emk
        delphinet: alphanet-updater-chainbucket-1v6go885nadpa
        edo2net: zeronet-updater-chainbucket-kmmayerx0l8v
      eu-central-1:
        mainnet: mainnet-updater-snapshot-chainbucket-pq4rbmykvmc5
      ap-southeast-1:
        mainnet: mainnet-updater-snapshot-chainbucket-195c5u73nminm
      ap-northeast-1:
        mainnet: mainnet-updater-snapshot-chainbucket-sm0xec0cdesk
      us-west-2:
        mainnet: mainnet-updater-chainbucket-1eq4z7ed2l45s
      us-east-2:
        mainnet: tezos-updater-oh-chainbucket-xq1wyfczcekl
  
  Resources:
  
  # ECS Resources
  
    Cluster:
      Type: AWS::ECS::Cluster
      Properties:
        ClusterName: !Ref AWS::StackName
  
    SecurityGroup:
      Type: "AWS::EC2::SecurityGroup"
      Properties:
        GroupDescription: !Sub ${AWS::StackName}-sg
        VpcId: !Ref VPC
        SecurityGroupIngress:
          - IpProtocol: tcp
            FromPort: 22
            ToPort: 22
            CidrIp: 0.0.0.0/0
          - IpProtocol: tcp
            FromPort: !Ref RpcPort
            ToPort: !Ref RpcPort
            CidrIp: 0.0.0.0/0
          - IpProtocol: tcp
            FromPort: !Ref NetPort
            ToPort: !Ref NetPort
            CidrIp: 0.0.0.0/0
          - IpProtocol: tcp
            FromPort: !Ref NetPort
            ToPort: !Ref NetPort
            CidrIpv6: ::/0
  
    ECSAutoScalingGroup:
      Type: AWS::AutoScaling::AutoScalingGroup
      Properties:
        VPCZoneIdentifier: !Ref Subnets
        LaunchConfigurationName: !Ref ECSLaunchConfiguration
        MinSize: !Ref ClusterSize
        MaxSize: !Ref ClusterSize
        DesiredCapacity: !Ref ClusterSize
        Tags:
          - Key: Name
            Value: !Sub ${AWS::StackName} ECS host
            PropagateAtLaunch: true
      CreationPolicy:
        ResourceSignal:
          Timeout: PT15M
      UpdatePolicy:
        AutoScalingRollingUpdate:
          MinInstancesInService: 4
          MaxBatchSize: 1
          PauseTime: PT15M
          SuspendProcesses:
            - HealthCheck
            - ReplaceUnhealthy
            - AZRebalance
            - AlarmNotification
            - ScheduledActions
          WaitOnResourceSignals: true
  
    ECSLaunchConfiguration:
      Type: AWS::AutoScaling::LaunchConfiguration
      Properties:
        ImageId: !Ref ECSAMI
        InstanceType: !Ref InstanceType
        KeyName: !Ref KeyPair
        AssociatePublicIpAddress: True
# Note: Uncomment the following line if you would prefer to use spot instances for your nodes
#        SpotPrice: !Ref SpotPrice
        SecurityGroups:
          - !Ref SecurityGroup
        IamInstanceProfile: !Ref ECSInstanceProfile
        UserData:
          "Fn::Base64": !Sub |
            #!/bin/bash
            yum install -y https://s3.amazonaws.com/ec2-downloads-windows/SSMAgent/latest/linux_amd64/amazon-ssm-agent.rpm
            yum install -y aws-cfn-bootstrap hibagent
            yum update -y
            restart amazon-ssm-agent
  
            drives=`find /dev -regextype posix-egrep -regex '.*/(sd[b-z]|xvd[b-z]|nvme[0-9]n1)'`
            ephemeral_count=`find /dev -regextype posix-egrep -regex '.*/(sd[b-z]|xvd[b-z]|nvme[0-9]n1)'|wc -l`
            mount_point=/var/lib/docker
            yum -y -d0 install mdadm curl rsync
  
            # copy existing files from mount point
            service docker stop
            echo 'DOCKER_STORAGE_OPTIONS="--storage-driver overlay2"' > /etc/sysconfig/docker-storage
            mkdir -p /tmp$mount_point
            rsync -val $mount_point/ /tmp/$mount_point/
            umount $mount_point
  
            # overwrite first few blocks in case there is a filesystem, otherwise mdadm will prompt for input
            for drive in $drives; do
              dd if=/dev/zero of=$drive bs=4096 count=1024
            done
  
            partprobe
            mdadm --create --force --verbose /dev/md0 --level=0 -c256 --raid-devices=$ephemeral_count $drives
            echo DEVICE $drives | tee /etc/mdadm.conf
            mdadm --detail --scan | tee -a /etc/mdadm.conf
            blockdev --setra 65536 /dev/md0
            mkfs -t ext4 /dev/md0
            mkdir -p $mount_point
  
            mount -t ext4 -o noatime /dev/md0 $mount_point
  
            # Copy files back to new mount point
            rsync -val /tmp/$mount_point/ $mount_point/
            rm -rf /tmp$mount_point
            service docker start
  
            # Make raid appear on reboot
            echo "/dev/md0 $mount_point ext4 noatime 0 0" | tee -a /etc/fstab
  
            /opt/aws/bin/cfn-init -v --region ${AWS::Region} --stack ${AWS::StackName} --resource ECSLaunchConfiguration
            /opt/aws/bin/cfn-signal -e $? --region ${AWS::Region} --stack ${AWS::StackName} --resource ECSAutoScalingGroup
            /usr/bin/enable-ec2-spot-hibernation
  
            # Attach an EIP from the pool of available EIPs in scope "vpc"
            alloc=`aws ec2 describe-addresses --region ${AWS::Region} --output text | grep -v eni | head -1 | cut -f 2`
            instanceid=`curl 169.254.169.254/latest/meta-data/instance-id`
            aws ec2 associate-address --region ${AWS::Region} --allocation-id $alloc --instance-id $instanceid
  
            # If there was a kernel update applied, reboot
            if [ `rpm -q kernel|wc -l` -gt 1 ]
            then
              reboot
            fi
  
      Metadata:
        AWS::CloudFormation::Init:
          config:
            packages:
              yum:
                awslogs: []
  
            commands:
              01_add_instance_to_cluster:
                command: !Sub echo ECS_CLUSTER=${Cluster} >> /etc/ecs/ecs.config
            files:
              "/etc/cfn/cfn-hup.conf":
                mode: 000400
                owner: root
                group: root
                content: !Sub |
                  [main]
                  stack=${AWS::StackId}
                  region=${AWS::Region}
  
              "/etc/cfn/hooks.d/cfn-auto-reloader.conf":
                content: !Sub |
                  [cfn-auto-reloader-hook]
                  triggers=post.update
                  path=Resources.ECSLaunchConfiguration.Metadata.AWS::CloudFormation::Init
                  action=/opt/aws/bin/cfn-init -v --region ${AWS::Region} --stack ${AWS::StackName} --resource ECSLaunchConfiguration
  
              "/etc/awslogs/awscli.conf":
                content: !Sub |
                  [plugins]
                  cwlogs = cwlogs
                  [default]
                  region = ${AWS::Region}
  
              "/etc/awslogs/awslogs.conf":
                content: !Sub |
                  [general]
                  state_file = /var/lib/awslogs/agent-state
  
                  [/var/log/dmesg]
                  file = /var/log/dmesg
                  log_group_name = ${Cluster}-/var/log/dmesg
                  log_stream_name = ${Cluster}
  
                  [/var/log/messages]
                  file = /var/log/messages
                  log_group_name = ${Cluster}-/var/log/messages
                  log_stream_name = ${Cluster}
                  datetime_format = %b %d %H:%M:%S
  
                  [/var/log/docker]
                  file = /var/log/docker
                  log_group_name = ${Cluster}-/var/log/docker
                  log_stream_name = ${Cluster}
                  datetime_format = %Y-%m-%dT%H:%M:%S.%f
  
                  [/var/log/ecs/ecs-init.log]
                  file = /var/log/ecs/ecs-init.log.*
                  log_group_name = ${Cluster}-/var/log/ecs/ecs-init.log
                  log_stream_name = ${Cluster}
                  datetime_format = %Y-%m-%dT%H:%M:%SZ
  
                  [/var/log/ecs/ecs-agent.log]
                  file = /var/log/ecs/ecs-agent.log.*
                  log_group_name = ${Cluster}-/var/log/ecs/ecs-agent.log
                  log_stream_name = ${Cluster}
                  datetime_format = %Y-%m-%dT%H:%M:%SZ
  
                  [/var/log/ecs/audit.log]
                  file = /var/log/ecs/audit.log.*
                  log_group_name = ${Cluster}-/var/log/ecs/audit.log
                  log_stream_name = ${Cluster}
                  datetime_format = %Y-%m-%dT%H:%M:%SZ
  
            services:
              sysvinit:
                cfn-hup:
                  enabled: true
                  ensureRunning: true
                  files:
                    - /etc/cfn/cfn-hup.conf
                    - /etc/cfn/hooks.d/cfn-auto-reloader.conf
                awslogs:
                  enabled: true
                  ensureRunning: true
                  files:
                    - /etc/awslogs/awslogs.conf
                    - /etc/awslogs/awscli.conf
  
    NodeLoadBalancer:
      Type: AWS::ElasticLoadBalancingV2::LoadBalancer
      Properties:
        Name: !Sub ${AWS::StackName}-NLB
        Type: network
        Scheme: internet-facing
        Subnets: !Ref Subnets
        Tags: 
          - Key: Name
            Value: !Sub ${AWS::StackName}-NLB
  
    NodeTargetGroup:
      Type: AWS::ElasticLoadBalancingV2::TargetGroup
      DependsOn: NodeLoadBalancer
      Properties:
        VpcId: !Ref VPC
        Port: !Ref RpcPort
        Protocol: TCP
        TargetGroupAttributes:
          - Key: deregistration_delay.timeout_seconds
            Value: 120
  
    NodeListener:
      Type: AWS::ElasticLoadBalancingV2::Listener
      Properties: 
        DefaultActions:
          - Type: forward
            TargetGroupArn: !Ref NodeTargetGroup
        LoadBalancerArn: !Ref NodeLoadBalancer
        Port: !Ref RpcPort
        Protocol: TCP
  
    # This IAM Role is attached to all of the ECS hosts. It is based on the default role
    # published here:
    # http://docs.aws.amazon.com/AmazonECS/latest/developerguide/instance_IAM_role.html
    #
    # You can add other IAM policy statements here to allow access from your ECS hosts
    # to other AWS services.
  
    ECSRole:
      Type: AWS::IAM::Role
      Properties:
        Path: /
        RoleName: !Sub ${AWS::StackName}-ECSRole-${AWS::Region}
        AssumeRolePolicyDocument: |
          {
            "Statement": [{
              "Action": "sts:AssumeRole",
              "Effect": "Allow",
              "Principal": {
                "Service": "ec2.amazonaws.com"
              }
            }]
          }
        Policies:
          - PolicyName: ecs-service
            PolicyDocument: |
              {
                "Statement": [{
                  "Effect": "Allow",
                  "Action": [
                    "ecs:CreateCluster",
                    "ecs:DeregisterContainerInstance",
                    "ecs:DiscoverPollEndpoint",
                    "ecs:Poll",
                    "ecs:RegisterContainerInstance",
                    "ecs:StartTelemetrySession",
                    "ecs:Submit*",
                    "logs:CreateLogStream",
                    "logs:PutLogEvents",
                    "ecr:BatchCheckLayerAvailability",
                    "ecr:BatchGetImage",
                    "ecr:GetDownloadUrlForLayer",
                    "ecr:GetAuthorizationToken",
                    "ssm:DescribeAssociation",
                    "ssm:GetDeployablePatchSnapshotForInstance",
                    "ssm:GetDocument",
                    "ssm:GetManifest",
                    "ssm:GetParameters",
                    "ssm:ListAssociations",
                    "ssm:ListInstanceAssociations",
                    "ssm:PutInventory",
                    "ssm:PutComplianceItems",
                    "ssm:PutConfigurePackageResult",
                    "ssm:PutParameter",
                    "ssm:UpdateAssociationStatus",
                    "ssm:UpdateInstanceAssociationStatus",
                    "ssm:UpdateInstanceInformation",
                    "ec2messages:AcknowledgeMessage",
                    "ec2messages:DeleteMessage",
                    "ec2messages:FailMessage",
                    "ec2messages:GetEndpoint",
                    "ec2messages:GetMessages",
                    "ec2messages:SendReply",
                    "cloudwatch:PutMetricData",
                    "ec2:DescribeInstanceStatus",
                    "ds:CreateComputer",
                    "ds:DescribeDirectories",
                    "logs:CreateLogGroup",
                    "logs:CreateLogStream",
                    "logs:DescribeLogGroups",
                    "logs:DescribeLogStreams",
                    "logs:PutLogEvents",
                    "s3:PutObject",
                    "s3:GetObject",
                    "s3:DeleteObject",
                    "s3:AbortMultipartUpload",
                    "s3:ListMultipartUploadParts",
                    "s3:ListBucket",
                    "s3:ListBucketMultipartUploads",
                    "firehose:PutRecord",
                    "firehose:PutRecordBatch",
                    "ec2:DescribeAddresses",
                    "ec2:DescribeInstances",
                    "ec2:AssociateAddress"
                  ],
                  "Resource": "*"
                }]
              }
  
    ECSInstanceProfile:
      Type: AWS::IAM::InstanceProfile
      Properties:
        Path: /
        Roles:
          - !Ref ECSRole
  
    ECSServiceAutoScalingRole:
      Type: AWS::IAM::Role
      Properties:
        AssumeRolePolicyDocument:
          Version: '2012-10-17'
          Statement:
            Action:
              - 'sts:AssumeRole'
            Effect: Allow
            Principal:
              Service:
                - application-autoscaling.amazonaws.com
        Path: /
        Policies:
          - PolicyName: ecs-service-autoscaling
            PolicyDocument:
              Statement:
                Effect: Allow
                Action:
                - application-autoscaling:*
                - cloudwatch:DescribeAlarms
                - cloudwatch:PutMetricAlarm
                - ecs:DescribeServices
                - ecs:UpdateService
                Resource: "*"
  
    NodeTaskExecutionRole:
      Type: AWS::IAM::Role
      Properties:
        Path: /
        AssumeRolePolicyDocument:
          Version: 2012-10-17
          Statement:
            - Action: sts:AssumeRole
              Effect: Allow
              Principal:
                Service: ecs-tasks.amazonaws.com
        ManagedPolicyArns:
          - arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy
        Policies:
          - PolicyName: !Sub ecs-task-S3-${AWS::StackName}
            PolicyDocument:
              Version: 2012-10-17
              Statement:
                -
                  Effect: Allow
                  Action:
                    - "s3:Get*"
                    - "s3:List*"
                  Resource:
                    - Fn::Join:
                      - ""
                      -
                        - "arn:aws:s3:::"
                        - !FindInMap
                          - RegionMap
                          - !Ref 'AWS::Region'
                          - !Ref Network
  
    NodeLogGroup:
      Type: AWS::Logs::LogGroup
      Properties:
        LogGroupName: !Sub /ecs/${AWS::StackName}-node
        RetentionInDays: 14
  
    NodeECSService:
      Type: AWS::ECS::Service
      DependsOn: NodeListener
      Properties:
        Cluster: !Ref Cluster
        DesiredCount: !Ref NodeDesiredCount
        HealthCheckGracePeriodSeconds: 3600
        TaskDefinition: !Ref NodeTaskDefinition
        LaunchType: EC2
        DeploymentConfiguration:
          MaximumPercent: 133
          MinimumHealthyPercent: 66
        LoadBalancers: 
          - ContainerName: !Ref NodeTaskName
            ContainerPort: !Ref RpcPort
            TargetGroupArn: !Ref NodeTargetGroup
  
    NodeTaskDefinition:
      Type: AWS::ECS::TaskDefinition
      Properties:
        Family: !Ref NodeTaskName
        RequiresCompatibilities:
          - EC2
        NetworkMode: host
        ExecutionRoleArn: !Ref NodeTaskExecutionRole
        ContainerDefinitions:
          - Name: !Ref NodeTaskName
            Image: !Sub ${AWS::AccountId}.dkr.ecr.${AWS::Region}.amazonaws.com/${NodeRepository}
            Essential: true
            MemoryReservation: 6144
            Environment:
              - Name: "region"
                Value: !Ref AWS::Region
              - Name: "rpcport"
                Value: !Ref RpcPort
              - Name: "netport"
                Value: !Ref NetPort
              - Name: "chainbucket"
                Value: !FindInMap
                  - RegionMap
                  - !Ref 'AWS::Region'
                  - !Ref Network
              - Name: "network"
                Value: !Ref Network
              - Name: "connections"
                Value: !Ref Connections
              - Name: "s3key"
                Value: node
            PortMappings:
              - ContainerPort: !Ref RpcPort
              - ContainerPort: !Ref NetPort
            LogConfiguration:
              LogDriver: awslogs
              Options:
                awslogs-region: !Ref AWS::Region
                awslogs-group: !Ref NodeLogGroup
                awslogs-stream-prefix: !Ref AWS::StackName
            HealthCheck:
              Command:
                - CMD-SHELL
                - python /home/tezos/utc-time-math.py `curl --silent http://127.0.0.1:8732/monitor/bootstrapped|jq -r .timestamp` `date -u +%Y-%m-%dT%H:%M:%SZ` 7200 || exit 1
              Interval: 300
              Timeout: 60
              Retries: 10
              StartPeriod: 300
  
  # CodePipeline Resources
  
    NodeRepository:
      Type: AWS::ECR::Repository
  
    NodeCodeBuildServiceRole:
      Type: AWS::IAM::Role
      Properties:
        Path: /
        AssumeRolePolicyDocument:
          Version: 2012-10-17
          Statement:
            - Effect: Allow
              Principal:
                Service: codebuild.amazonaws.com
              Action: sts:AssumeRole
        Policies:
          - PolicyName: root
            PolicyDocument:
              Version: 2012-10-17
              Statement:
                - Resource: "*"
                  Effect: Allow
                  Action:
                    - logs:CreateLogGroup
                    - logs:CreateLogStream
                    - logs:PutLogEvents
                    - ecr:GetAuthorizationToken
                - Resource: !Sub arn:aws:s3:::${NodeArtifactBucket}/*
                  Effect: Allow
                  Action:
                    - s3:GetObject
                    - s3:PutObject
                    - s3:GetObjectVersion
                - Resource: !Sub arn:aws:ecr:${AWS::Region}:${AWS::AccountId}:repository/${NodeRepository}
                  Effect: Allow
                  Action:
                    - ecr:GetDownloadUrlForLayer
                    - ecr:BatchGetImage
                    - ecr:BatchCheckLayerAvailability
                    - ecr:PutImage
                    - ecr:InitiateLayerUpload
                    - ecr:UploadLayerPart
                    - ecr:CompleteLayerUpload
  
    NodeCodePipelineServiceRole:
      Type: AWS::IAM::Role
      Properties:
        Path: /
        AssumeRolePolicyDocument:
          Version: 2012-10-17
          Statement:
            - Effect: Allow
              Principal:
                Service: codepipeline.amazonaws.com
              Action: sts:AssumeRole
        Policies:
          - PolicyName: root
            PolicyDocument:
              Version: 2012-10-17
              Statement:
                - Resource:
                    - !Sub arn:aws:s3:::${NodeArtifactBucket}/*
                  Effect: Allow
                  Action:
                    - s3:PutObject
                    - s3:GetObject
                    - s3:GetObjectVersion
                    - s3:GetBucketVersioning
                - Resource: "*"
                  Effect: Allow
                  Action:
                    - ecs:DescribeServices
                    - ecs:DescribeTaskDefinition
                    - ecs:DescribeTasks
                    - ecs:ListTasks
                    - ecs:RegisterTaskDefinition
                    - ecs:UpdateService
                    - codebuild:StartBuild
                    - codebuild:BatchGetBuilds
                    - iam:PassRole
  
    NodeArtifactBucket:
      Type: AWS::S3::Bucket
  
    NodeCodeBuildProject:
      Type: AWS::CodeBuild::Project
      Properties:
        Artifacts:
          Type: CODEPIPELINE
        Source:
          Type: CODEPIPELINE
          BuildSpec: |
            version: 0.2
            phases:
              pre_build:
                commands:
                  - $(aws ecr get-login --no-include-email)
                  - TAG="$(echo $CODEBUILD_RESOLVED_SOURCE_VERSION | head -c 8)"
                  - IMAGE_URI="${REPOSITORY_URI}:${TAG}"
              build:
                commands:
                  - docker build --tag "$IMAGE_URI" .
                  - docker build --tag "${REPOSITORY_URI}:latest" .
              post_build:
                commands:
                  - docker push "$IMAGE_URI"
                  - docker push "${REPOSITORY_URI}:latest"
                  - printf '[{"name":"tezos-node","imageUri":"%s"}]' "$IMAGE_URI" > images.json
            artifacts:
              files: images.json
        Environment:
          ComputeType: BUILD_GENERAL1_SMALL
          Image: aws/codebuild/docker:17.09.0
          Type: LINUX_CONTAINER
          EnvironmentVariables:
            - Name: AWS_DEFAULT_REGION
              Value: !Ref AWS::Region
            - Name: REPOSITORY_URI
              Value: !Sub ${AWS::AccountId}.dkr.ecr.${AWS::Region}.amazonaws.com/${NodeRepository}
        Name: !Sub ${AWS::StackName}-node
        ServiceRole: !Ref NodeCodeBuildServiceRole
  
    NodePipeline:
      Type: AWS::CodePipeline::Pipeline
      Properties:
        RoleArn: !GetAtt NodeCodePipelineServiceRole.Arn
        ArtifactStore:
          Type: S3
          Location: !Ref NodeArtifactBucket
        Stages:
          - Name: Source
            Actions:
              - Name: App
                ActionTypeId:
                  Category: Source
                  Owner: ThirdParty
                  Version: 1
                  Provider: GitHub
                Configuration:
                  Owner: !Ref GitHubUser
                  Repo: !Ref NodeGitHubRepo
                  Branch: !Ref NodeGitHubBranch
                  OAuthToken: !Ref GitHubToken
                OutputArtifacts:
                  - Name: App
                RunOrder: 1
          - Name: Build
            Actions:
              - Name: Build
                ActionTypeId:
                  Category: Build
                  Owner: AWS
                  Version: 1
                  Provider: CodeBuild
                Configuration:
                  ProjectName: !Ref NodeCodeBuildProject
                InputArtifacts:
                  - Name: App
                OutputArtifacts:
                  - Name: BuildOutput
                RunOrder: 1
          - Name: Deploy
            Actions:
              - Name: Deploy
                ActionTypeId:
                  Category: Deploy
                  Owner: AWS
                  Version: 1
                  Provider: ECS
                Configuration:
                  ClusterName: !Ref Cluster
                  ServiceName: !Ref NodeECSService
                  FileName: images.json
                InputArtifacts:
                  - Name: BuildOutput
                RunOrder: 1
  
  Outputs:
    ClusterName:
        Value: !Ref Cluster
    NodeService:
      Value: !Ref NodeECSService
    NodePipelineUrl:
      Value: !Sub https://console.aws.amazon.com/codepipeline/home?region=${AWS::Region}#/view/${NodePipeline}
    NodeTargetGroup:
      Value: !Ref NodeTargetGroup
    NodeServiceUrl:
      Description: URL of the load balancer for the node service.
      Value: !Sub http://${NodeLoadBalancer.DNSName}