---
AWSTemplateFormatVersion: 2010-09-09


Description: >
  This template shows how to use AWS CodePipeline and AWS CodeBuild to build an
  automated continuous deployment pipeline to Amazon Elastic Container Service
  (Amazon ECS) using clusters powered by AWS Fargate or Amazon Elastic Compute
  Cloud (Amazon EC2).


Parameters:
  LaunchType:
    Type: String
    Default: Fargate
    AllowedValues:
      - Fargate
      - EC2
    Description: >
      The launch type for your service. Selecting EC2 will create an Auto
      Scaling group of t2.micro instances for your cluster. See
      https://docs.aws.amazon.com/AmazonECS/latest/developerguide/launch_types.html
      to learn more about launch types.

  GitHubUser:
    Type: String
    Description: Your username on GitHub.

  GitHubRepo:
    Type: String
    Default: microservices-greeting
    Description: The repo name of the greeting service.

  GitHubRepo001:
    Type: String
    Default: microservices-name
    Description: The repo name of the name service.

  GitHubRepo002:
    Type: String
    Default: microservices-webapp
    Description: The repo name of the webapp service.

  GitHubBranch:
    Type: String
    Default: master
    Description: The branch of the repo to continuously deploy.

  GitHubToken:
    Type: String
    NoEcho: true
    Description: >
      Token for the user specified above. (https://github.com/settings/tokens)

Metadata:
  AWS::CloudFormation::Interface:
    ParameterLabels:
      GitHubUser:
        default: "User"
      GitHubRepo:
        default: "Repo1"
      GitHubRepo001:
        default: "Repo2"
      GitHubRepo002:
        default: "Repo3"
      GitHubBranch:
        default: "Branch"
      GitHubToken:
        default: "Personal Access Token"
      LaunchType:
        default: "Launch Type"
    ParameterGroups:
      - Label:
          default: Cluster Configuration
        Parameters:
          - LaunchType
      - Label:
          default: GitHub Configuration
        Parameters:
          - GitHubRepo
          - GitHubRepo001
          - GitHubRepo002
          - GitHubBranch
          - GitHubUser
          - GitHubToken

Resources:
  Cluster:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/ecs-cluster.yaml
      Parameters:
        LaunchType: !Ref LaunchType
        SourceSecurityGroup: !GetAtt LoadBalancer.Outputs.SecurityGroup
        Subnets: !GetAtt VPC.Outputs.Subnets
        VpcId: !GetAtt VPC.Outputs.VpcId

  DeploymentPipeline:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/deployment-pipeline.yaml
      Parameters:
        Cluster: !GetAtt Cluster.Outputs.ClusterName
        Service: !GetAtt Greeting.Outputs.Service
        GitHubUser: !Ref GitHubUser
        GitHubToken: !Ref GitHubToken
        GitHubRepo: !Ref GitHubRepo
        GitHubBranch: !Ref GitHubBranch

  DeploymentPipeline001:
    Type: AWS::CloudFormation::Stack
    DependsOn: DeploymentPipeline
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/deployment-pipeline-name.yaml
      Parameters:
        Cluster: !GetAtt Cluster.Outputs.ClusterName
        Service: !GetAtt Name.Outputs.Service
        GitHubUser: !Ref GitHubUser
        GitHubToken: !Ref GitHubToken
        GitHubRepo001: !Ref GitHubRepo001
        GitHubBranch: !Ref GitHubBranch
        CodeBuildServiceRole: !GetAtt DeploymentPipeline.Outputs.CodeBuildServiceRole
        CodePipelineServiceRoleArn: !GetAtt DeploymentPipeline.Outputs.CodePipelineServiceRoleArn
        ArtifactBucketName: !GetAtt DeploymentPipeline.Outputs.ArtifactBucketName

  DeploymentPipeline002:
    Type: AWS::CloudFormation::Stack
    DependsOn: DeploymentPipeline
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/deployment-pipeline-webapp.yaml
      Parameters:
        Cluster: !GetAtt Cluster.Outputs.ClusterName
        Service: !GetAtt Name.Outputs.Service
        GitHubUser: !Ref GitHubUser
        GitHubToken: !Ref GitHubToken
        GitHubRepo002: !Ref GitHubRepo002
        GitHubBranch: !Ref GitHubBranch
        CodeBuildServiceRole: !GetAtt DeploymentPipeline.Outputs.CodeBuildServiceRole
        CodePipelineServiceRoleArn: !GetAtt DeploymentPipeline.Outputs.CodePipelineServiceRoleArn
        ArtifactBucketName: !GetAtt DeploymentPipeline.Outputs.ArtifactBucketName

  LoadBalancer:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/load-balancer.yaml
      Parameters:
        LaunchType: !Ref LaunchType
        Subnet1: !GetAtt VPC.Outputs.Subnet1
        Subnet2: !GetAtt VPC.Outputs.Subnet2
        Subnet3: !GetAtt VPC.Outputs.Subnet3
        Subnet4: !GetAtt VPC.Outputs.Subnet4
        VpcId: !GetAtt VPC.Outputs.VpcId

  VPC:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/vpc.yaml
      Parameters:
        Name: !Ref AWS::StackName
        VpcCIDR: 10.215.0.0/16
        Subnet1CIDR: 10.215.10.0/24
        Subnet2CIDR: 10.215.20.0/24
        Subnet3CIDR: 10.215.30.0/24
        Subnet4CIDR: 10.215.40.0/24

  Greeting:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/greeting.yaml
      Parameters:
        Subnet3: !GetAtt VPC.Outputs.Subnet3
        Subnet4: !GetAtt VPC.Outputs.Subnet4
        PrivateALB: !GetAtt LoadBalancer.Outputs.ALBPrivate
        Cluster: !GetAtt Cluster.Outputs.ClusterName
        LaunchType: !Ref LaunchType
        SecurityGroup: !GetAtt LoadBalancer.Outputs.SecurityGroupWebapp
        TargetGroup: !GetAtt LoadBalancer.Outputs.TargetGroup

  Name:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/name.yaml
      Parameters:
        Subnet3: !GetAtt VPC.Outputs.Subnet3
        Subnet4: !GetAtt VPC.Outputs.Subnet4
        PrivateALB: !GetAtt LoadBalancer.Outputs.ALBPrivate
        Cluster: !GetAtt Cluster.Outputs.ClusterName
        LaunchType: !Ref LaunchType
        SecurityGroup: !GetAtt LoadBalancer.Outputs.SecurityGroupWebapp
        TargetGroup001: !GetAtt LoadBalancer.Outputs.TargetGroup001
        ExecutionRole: !GetAtt Greeting.Outputs.ExecutionRole

  Webapp:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/DOC-EXAMPLE-BUCKET/webapp.yaml
      Parameters:
        Subnet1: !GetAtt VPC.Outputs.Subnet1
        Subnet2: !GetAtt VPC.Outputs.Subnet2
        PublicALB: !GetAtt LoadBalancer.Outputs.ALBPublic
        Cluster: !GetAtt Cluster.Outputs.ClusterName
        LaunchType: !Ref LaunchType
        SecurityGroup: !GetAtt LoadBalancer.Outputs.SecurityGroup
        TargetGroup: !GetAtt LoadBalancer.Outputs.TargetGroup002
        ExecutionRole: !GetAtt Greeting.Outputs.ExecutionRole
        ALBPrivateCNAME: !GetAtt LoadBalancer.Outputs.ALBPrivateCNAME


Outputs:
  ServiceUrl:
    Description: The sample service that is being continuously deployed.
    Value: !GetAtt LoadBalancer.Outputs.ServiceUrl

  PipelineUrl:
    Description: The continuous deployment pipeline in the AWS Management Console.
    Value: !GetAtt DeploymentPipeline.Outputs.PipelineUrl