assignment-lab01-cloudformation/root_stack.yml at main · NT548-P11-DevOps-Technology/assignment-lab01-cloudformation · GitHub

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AWSTemplateFormatVersion: "2010-09-09"

Description: >-
                This is a nested stack that creates a EC2 instance in a VPC with public and private subnets

Parameters:
    BucketName:
        Description: The name of the S3 bucket
        Type: String
        Default: group03-s3-bucket

Resources:
    VPCStack:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub https://${BucketName}.s3.amazonaws.com/vpc.yml

    NATGatewayStack:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub https://${BucketName}.s3.amazonaws.com/nat_gateway.yml
            Parameters:
                VpcId: !GetAtt VPCStack.Outputs.VpcId
                VpcName: !GetAtt VPCStack.Outputs.VpcName
                PublicSubnet1: !GetAtt VPCStack.Outputs.PublicSubnet1
                PublicSubnet2: !GetAtt VPCStack.Outputs.PublicSubnet2

    RouteTableStack:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub https://${BucketName}.s3.amazonaws.com/route_tables.yml
            Parameters:
                VpcId: !GetAtt VPCStack.Outputs.VpcId
                VpcName: !GetAtt VPCStack.Outputs.VpcName
                PublicSubnet1: !GetAtt VPCStack.Outputs.PublicSubnet1
                PublicSubnet2: !GetAtt VPCStack.Outputs.PublicSubnet2
                NATGateway1: !GetAtt NATGatewayStack.Outputs.NATGateway1
                NATGateway2: !GetAtt NATGatewayStack.Outputs.NATGateway2
                PrivateSubnet1: !GetAtt VPCStack.Outputs.PrivateSubnet1
                PrivateSubnet2: !GetAtt VPCStack.Outputs.PrivateSubnet2
                InternetGateway: !GetAtt NATGatewayStack.Outputs.InternetGateway

    SecurityGroupStack:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub https://${BucketName}.s3.amazonaws.com/security_groups.yml
            Parameters:
                VpcId: !GetAtt VPCStack.Outputs.VpcId

    EC2InstanceStack:
        Type: AWS::CloudFormation::Stack
        Properties:
            TemplateURL: !Sub https://${BucketName}.s3.amazonaws.com/ec2.yml
            Parameters:
                VpcId: !GetAtt VPCStack.Outputs.VpcId
                PublicSubnet1: !GetAtt VPCStack.Outputs.PublicSubnet1
                PublicSubnet2: !GetAtt VPCStack.Outputs.PublicSubnet2
                PrivateSubnet1: !GetAtt VPCStack.Outputs.PrivateSubnet1
                PrivateSubnet2: !GetAtt VPCStack.Outputs.PrivateSubnet2
                PublicEC2SG: !GetAtt SecurityGroupStack.Outputs.PublicEC2SG
                PrivateEC2SG: !GetAtt SecurityGroupStack.Outputs.PrivateEC2SG

Outputs:
    PublicEC2Instance1:
        Description: Public EC2 Instance 1
        Value: !GetAtt EC2InstanceStack.Outputs.PublicEC2Instance1
    PublicEC2Instance2:
        Description: Public EC2 Instance 2
        Value: !GetAtt EC2InstanceStack.Outputs.PublicEC2Instance2
    PrivateEC2Instance1:
        Description: Private EC2 Instance 1
        Value: !GetAtt EC2InstanceStack.Outputs.PrivateEC2Instance1
    PrivateEC2Instance2:
        Description: Private EC2 Instance 2
        Value: !GetAtt EC2InstanceStack.Outputs.PrivateEC2Instance2