master.yaml

Description: >
  This cloud formation template deploys the ghost blogging platform across
  multiple available zones(AZ) utilizing docker containers with a multi AZ
  rds setup, efs backend for content storage, and an application load balancer.

  link to project source: https://github.com/TryGhost/Ghost

  Author: Cameron Sumpter <cameron[at]sumpter[dot]xyz>
  Repo: https://github.com/csumpter/ops-challenge

Parameters:

  DatabaseUsername:
    Description: provide the name of the database username
    Type: String
    Default: 'awsuser'

  DatabasePassword:
    Description: provide the database password
    Type: String
    NoEcho: true
    # password validation, must be at least 8 but no more than 41 chars
    MinLength: 8
    MaxLength: 41

  DatabaseName:
    Type: String
    Description: provide the name you want to call the rds database
    Default: 'ghostdb'

Resources:

  VPC:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/infrastructure/vpc.yaml 
      Parameters:
        EnvironmentName: !Ref AWS::StackName
        VpcCIDR:         10.190.0.0/16
        # subnet for resources in the first availability zone
        Subnet1CIDR:     10.190.1.0/24
        # subnet for resources in the second availability zone
        Subnet2CIDR:     10.190.2.0/24

  SecurityGroups:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/infrastructure/security-groups.yaml 
      Parameters:
        EnvironmentName: !Ref AWS::StackName
        VPC: !GetAtt VPC.Outputs.VPC

  ALB:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/infrastructure/load-balancer.yaml
      Parameters:
        EnvironmentName: !Ref AWS::StackName
        VPC: !GetAtt VPC.Outputs.VPC
        Subnets: !GetAtt VPC.Outputs.Subnets
        SecurityGroup: !GetAtt SecurityGroups.Outputs.LoadBalancerSecurityGroup
        Path: /

  S3:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/infrastructure/s3.yaml
      Parameters:
        EnvironmentName: !Ref AWS::StackName
        S3UserName: !Sub ${AWS::StackName}-s3-user

  DB:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/infrastructure/database.yaml
      Parameters:
        EnvironmentName: !Ref AWS::StackName
        DatabaseUsername: !Ref DatabaseUsername
        SecurityGroup: !GetAtt SecurityGroups.Outputs.DatabaseSecurityGroup
        DatabasePassword: !Ref DatabasePassword
        Subnets: !GetAtt VPC.Outputs.Subnets
        DatabaseName: !Ref DatabaseName

  ECS:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/infrastructure/ecs-cluster.yaml
      Parameters:
        EnvironmentName: !Ref AWS::StackName
        InstanceType: t2.micro
        ClusterSize: 2 
        VPC: !GetAtt VPC.Outputs.VPC
        SecurityGroup: !GetAtt SecurityGroups.Outputs.EC2HostSecurityGroup
        Subnets: !GetAtt VPC.Outputs.Subnets
        TargetGroup: !GetAtt ALB.Outputs.LoadBalancerTargetGroup

  GhostService:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: https://s3.amazonaws.com/ghost-service/service/ghost.yaml
      Parameters:
        VPC: !GetAtt VPC.Outputs.VPC
        Cluster: !GetAtt ECS.Outputs.Cluster
        DesiredCount: 2
        GhostServiceUrl: !GetAtt ALB.Outputs.LoadBalancerUrl
        DatabaseUsername: !Ref DatabaseUsername
        DatabasePassword: !Ref DatabasePassword
        DatabaseHostname: !GetAtt DB.Outputs.DatabaseAddress
        DatabaseName: !Ref DatabaseName
        S3BucketName: !GetAtt S3.Outputs.S3BucketName
        S3Url: !GetAtt S3.Outputs.S3Url
        S3UserName: !GetAtt S3.Outputs.S3UserName
        S3UserAccessKey: !GetAtt S3.Outputs.S3UserAccessKey
        S3UserSecretKey: !GetAtt S3.Outputs.S3UserSecretKey
        TargetGroup: !GetAtt ALB.Outputs.LoadBalancerTargetGroup

Outputs:

    GhostServiceUrl: 
        Description: The URL endpoint for the ghost service
        Value: !GetAtt ALB.Outputs.LoadBalancerUrl