3Subnet-3AZ

Description: 3Subnet-3AZ

Parameters:
  EnvironmentName:
    Description: prefixed to resource names
    Type: String
    Default: "wsi"

  VpcCIDR:
    Description: VPC-CIDR
    Type: String
    Default: 10.0.0.0/16

  PublicSubnet1CIDR:
    Description: Public1-CIDR
    Type: String
    Default: 10.0.0.0/24

  PublicSubnet2CIDR:
    Description: Public2-CIDR
    Type: String
    Default: 10.0.1.0/24

  PublicSubnet3CIDR:
    Description: Public2-CIDR
    Type: String
    Default: 10.0.2.0/24

  PrivateSubnet1CIDR:
    Description: Private1-CIDR
    Type: String
    Default: 10.0.3.0/24

  PrivateSubnet2CIDR:
    Description: Private2-CIDR
    Type: String
    Default: 10.0.4.0/24

  PrivateSubnet3CIDR:
    Description: Private3-CIDR
    Type: String
    Default: 10.0.5.0/24

  ProtectedSubnet1CIDR:
    Description: ProtectedSubnet1-CIDR
    Type: String
    Default: 10.0.6.0/24

  ProtectedSubnet2CIDR:
    Description: ProtectedSubnet2-CIDR
    Type: String
    Default: 10.0.7.0/24

  ProtectedSubnet3CIDR:
    Description: ProtectedSubnet3-CIDR
    Type: String
    Default: 10.0.8.0/24

Resources:
  #VPC
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: !Ref VpcCIDR
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-vpc

  #InternetGateway
  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-igw

  InternetGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      InternetGatewayId: !Ref InternetGateway
      VpcId: !Ref VPC

  #Subnet
  #Public Subnet
  PublicSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [0, !GetAZs ""]
      CidrBlock: !Ref PublicSubnet1CIDR
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-public-a

  PublicSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [1, !GetAZs ""]
      CidrBlock: !Ref PublicSubnet2CIDR
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-public-b

  PublicSubnet3:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [2, !GetAZs ""]
      CidrBlock: !Ref PublicSubnet3CIDR
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-public-c

  #Private Subnet
  PrivateSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [0, !GetAZs ""]
      CidrBlock: !Ref PrivateSubnet1CIDR
      MapPublicIpOnLaunch: false
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-private-a

  PrivateSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [1, !GetAZs ""]
      CidrBlock: !Ref PrivateSubnet2CIDR
      MapPublicIpOnLaunch: false
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-private-b

  PrivateSubnet3:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [2, !GetAZs ""]
      CidrBlock: !Ref PrivateSubnet3CIDR
      MapPublicIpOnLaunch: false
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-private-c

  #Protected Subnet
  ProtectedSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [0, !GetAZs ""]
      CidrBlock: !Ref ProtectedSubnet1CIDR
      MapPublicIpOnLaunch: false
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-protected-a

  ProtectedSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [1, !GetAZs ""]
      CidrBlock: !Ref ProtectedSubnet2CIDR
      MapPublicIpOnLaunch: false
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-protected-b

  ProtectedSubnet3:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [2, !GetAZs ""]
      CidrBlock: !Ref ProtectedSubnet3CIDR
      MapPublicIpOnLaunch: false
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-Protected-c

  #NatGateway
  NatGateway1EIP:
    Type: AWS::EC2::EIP
    DependsOn: InternetGatewayAttachment
    Properties:
      Domain: vpc

  NatGateway2EIP:
    Type: AWS::EC2::EIP
    DependsOn: InternetGatewayAttachment
    Properties:
      Domain: vpc

  NatGateway3EIP:
    Type: AWS::EC2::EIP
    DependsOn: InternetGatewayAttachment
    Properties:
      Domain: vpc

  NatGateway1:
    Type: AWS::EC2::NatGateway
    Properties:
      AllocationId: !GetAtt NatGateway1EIP.AllocationId
      SubnetId: !Ref PublicSubnet1
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-nat-a

  NatGateway2:
    Type: AWS::EC2::NatGateway
    Properties:
      AllocationId: !GetAtt NatGateway2EIP.AllocationId
      SubnetId: !Ref PublicSubnet2
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-nat-b

  NatGateway3:
    Type: AWS::EC2::NatGateway
    Properties:
      AllocationId: !GetAtt NatGateway3EIP.AllocationId
      SubnetId: !Ref PublicSubnet3
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-nat-c

  #Route Table
  #Public Route Table
  PublicRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-public-rt

  DefaultPublicRoute:
    Type: AWS::EC2::Route
    DependsOn: InternetGatewayAttachment
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref InternetGateway

  PublicSubnet1RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PublicRouteTable
      SubnetId: !Ref PublicSubnet1

  PublicSubnet2RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PublicRouteTable
      SubnetId: !Ref PublicSubnet2

  PublicSubnet3RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PublicRouteTable
      SubnetId: !Ref PublicSubnet3

  #Private route Table
  PrivateRouteTable1:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-private-a-rt

  DefaultPrivateRoute1:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId: !Ref PrivateRouteTable1
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId: !Ref NatGateway1

  PrivateSubnet1RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable1
      SubnetId: !Ref PrivateSubnet1

  PrivateRouteTable2:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-private-b-rt

  DefaultPrivateRoute2:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId: !Ref PrivateRouteTable2
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId: !Ref NatGateway2

  PrivateSubnet2RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable2
      SubnetId: !Ref PrivateSubnet2

  PrivateRouteTable3:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-private-c-rt

  DefaultPrivateRoute3:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId: !Ref PrivateRouteTable3
      DestinationCidrBlock: 0.0.0.0/0
      NatGatewayId: !Ref NatGateway3

  PrivateSubnet3RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PrivateRouteTable3
      SubnetId: !Ref PrivateSubnet3

  # Protected Route Table
  # ProtectedRouteTable1:
  #   Type: AWS::EC2::RouteTable
  #   Properties:
  #     VpcId: !Ref VPC
  #     Tags:
  #       - Key: Name
  #         Value: !Sub ${EnvironmentName}-protected-a-rt

  ProtectedRouteTable1:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: !Sub ${EnvironmentName}-protected-rt

  ProtectedSubnet1RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref ProtectedRouteTable1
      SubnetId: !Ref ProtectedSubnet1

  # ProtectedRouteTable2:
  #   Type: AWS::EC2::RouteTable
  #   Properties:
  #     VpcId: !Ref VPC
  #     Tags:
  #       - Key: Name
  #         Value: !Sub ${EnvironmentName}-protected-b-rt

  ProtectedSubnet2RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref ProtectedRouteTable1
      SubnetId: !Ref ProtectedSubnet2

  # ProtectedRouteTable3:
  #   Type: AWS::EC2::RouteTable
  #   Properties:
  #     VpcId: !Ref VPC
  #     Tags:
  #       - Key: Name
  #         Value: !Sub ${EnvironmentName}-protected-c-rt

  ProtectedSubnet3RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref ProtectedRouteTable1
      SubnetId: !Ref ProtectedSubnet3

Outputs:
  VPC:
    Description: "VPC"
    Value: !Ref VPC
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-VPC"

  PublicSubnets:
    Description: A list of the public subnets
    Value:
      !Join [",", [!Ref PublicSubnet1, !Ref PublicSubnet2, !Ref PublicSubnet3]]

  PrivateSubnets:
    Description: A list of the private subnets
    Value:
      !Join [
        ",",
        [!Ref PrivateSubnet1, !Ref PrivateSubnet2, !Ref PrivateSubnet3],
      ]

  ProtectedSubnets:
    Description: A list of the private subnets
    Value:
      !Join [
        ",",
        [!Ref ProtectedSubnet1, !Ref ProtectedSubnet2, !Ref ProtectedSubnet3],
      ]

  Publicsubnet1:
    Description: "Public Subnet AZ a"
    Value: !Ref PublicSubnet1
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-public-a"

  PublicSubnet2:
    Description: "Public Subnet AZ b"
    Value: !Ref PublicSubnet2
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-public-b"

  PublicSubnet3:
    Description: "Public Subnet AZ c"
    Value: !Ref PublicSubnet3
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-public-c"

  PrivateSubnet1:
    Description: "Private Subnet AZ a"
    Value: !Ref PrivateSubnet1
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-private-a"

  PrivateSubnet2:
    Description: "Private Subnet AZ b"
    Value: !Ref PrivateSubnet2
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-private-b"

  PrivateSubnet3:
    Description: "Private Subnet AZ c"
    Value: !Ref PrivateSubnet3
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-private-c"

  ProtectedSubnet1:
    Description: "Protected Subnet AZ a"
    Value: !Ref ProtectedSubnet1
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-protected-a"

  ProtectedSubnet2:
    Description: "Protected Subnet AZ b"
    Value: !Ref ProtectedSubnet2
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-protected-b"

  ProtectedSubnet3:
    Description: "Protected Subnet AZ c"
    Value: !Ref ProtectedSubnet3
    Export:
      Name:
        "Fn::Sub": "${AWS::StackName}-protected-c"
YAML
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