robot-shop/aws-ecs-ec2/services.yaml

AWSTemplateFormatVersion: '2010-09-09'
Description: Deploy robot shop services to a given ECS cluster
Parameters:
  StackName:
    Type: String
    Default: production
    Description: The name of the parent cluster stack that you created. Necessary
      to locate and reference resources created by that stack.
  WebServiceName:
    Type: String
    Default: web
    Description: The web service name
  MongoDbServiceName:
    Type: String
    Default: mongodb
    Description: The mongodb service name
  ImageUrl:
    Type: String
    Default: nginx
    Description: The url of a docker image that contains the application process that
      will handle the traffic for this service
  ContainerPort:
    Type: Number
    Default: 8080
    Description: What port number the application inside the docker container is binding to
  MongoDbContainerPort:
    Type: Number
    Default: 27017
    Description: What port number the application inside the docker container is binding to
  ContainerCpu:
    Type: Number
    Default: 256
    Description: How much CPU to give the container. 1024 is 1 CPU
  ContainerMemory:
    Type: Number
    Default: 512
    Description: How much memory in megabytes to give the container
  Path:
    Type: String
    Default: "*"
    Description: A path on the public load balancer that this service
      should be connected to. Use * to send all load balancer
      traffic to this service.
  Priority:
    Type: Number
    Default: 1
    Description: The priority for the routing rule added to the load balancer.
      This only applies if your have multiple services which have been
      assigned to different paths on the load balancer.
  DesiredCount:
    Type: Number
    Default: 2
    Description: How many copies of the service task to run
  Role:
    Type: String
    Default: ""
    Description: (Optional) An IAM role to give the service's containers if the code within needs to
      access other AWS resources like S3 buckets, DynamoDB tables, etc

Conditions:
  HasCustomRole: !Not [ !Equals [!Ref 'Role', ''] ]

Resources:
  # MongoDB service
  MongoDbTaskDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties:
      Family: !Ref 'MongoDbServiceName'
      Cpu: !Ref 'ContainerCpu'
      Memory: !Ref 'ContainerMemory'
      TaskRoleArn:
        Fn::If:
          - 'HasCustomRole'
          - !Ref 'Role'
          - !Ref "AWS::NoValue"
      ContainerDefinitions:
        - Name: !Ref 'MongoDbServiceName'
          Cpu: !Ref 'ContainerCpu'
          Memory: !Ref 'ContainerMemory'
          Image: robotshop/rs-mongodb
          PortMappings:
            - ContainerPort: !Ref 'MongoDbContainerPort'
          LogConfiguration:
            LogDriver: json-file
  MongoDbService:
    Type: AWS::ECS::Service
    DependsOn: LoadBalancerRule
    Properties:
      ServiceName: !Ref 'MongoDbServiceName'
      Cluster:
        Fn::ImportValue:
          !Join [':', [!Ref 'StackName', 'ClusterName']]
      DesiredCount: 1
      TaskDefinition: !Ref 'MongoDbTaskDefinition'

  WebTaskDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties:
      Family: !Ref 'WebServiceName'
      Cpu: !Ref 'ContainerCpu'
      Memory: !Ref 'ContainerMemory'
      TaskRoleArn:
        Fn::If:
          - 'HasCustomRole'
          - !Ref 'Role'
          - !Ref "AWS::NoValue"
      ContainerDefinitions:
        - Name: !Ref 'WebServiceName'
          Cpu: !Ref 'ContainerCpu'
          Memory: !Ref 'ContainerMemory'
          Image: robotshop/rs-web
          PortMappings:
            - ContainerPort: !Ref 'ContainerPort'
          LogConfiguration:
            LogDriver: json-file
  WebService:
    Type: AWS::ECS::Service
    DependsOn: LoadBalancerRule
    Properties:
      ServiceName: !Ref 'WebServiceName'
      Cluster:
        Fn::ImportValue:
          !Join [':', [!Ref 'StackName', 'ClusterName']]
      DeploymentConfiguration:
        MaximumPercent: 200
        MinimumHealthyPercent: 75
      DesiredCount: !Ref 'DesiredCount'
      TaskDefinition: !Ref 'WebTaskDefinition'
      LoadBalancers:
        - ContainerName: !Ref 'WebServiceName'
          ContainerPort: !Ref 'ContainerPort'
          TargetGroupArn: !Ref 'WebTargetGroup'
  WebTargetGroup:
    Type: AWS::ElasticLoadBalancingV2::TargetGroup
    Properties:
      HealthCheckIntervalSeconds: 6
      HealthCheckPath: /
      HealthCheckProtocol: HTTP
      HealthCheckTimeoutSeconds: 5
      HealthyThresholdCount: 2
      Name: !Ref 'WebServiceName'
      Port: 8080
      Protocol: HTTP
      UnhealthyThresholdCount: 2
      VpcId:
        Fn::ImportValue:
          !Join [':', [!Ref 'StackName', 'VPCId']]
  LoadBalancerRule:
    Type: AWS::ElasticLoadBalancingV2::ListenerRule
    Properties:
      Actions:
        - TargetGroupArn: !Ref 'WebTargetGroup'
          Type: 'forward'
      Conditions:
        - Field: path-pattern
          Values: [!Ref 'Path']
      ListenerArn:
        Fn::ImportValue:
          !Join [':', [!Ref 'StackName', 'PrivateListener']]
      Priority: !Ref 'Priority'