Project2-Network-infra.yml

AWSTemplateFormatVersion: 2010-09-09
Description: Bakr Ebrahim Ahmed / Udacity - Project 2
Parameters:

    ProjectName:
        Description: Project Name
        Type: String

    VPCCIDR: 
        Description: My VPC
        Type: String
        Default: 10.0.0.0/16
    PublicSub1CIDR:
        Description: First public subnet in the first Availability Zone
        Type: String
        Default: 10.0.1.0/24

    PublicSub2CIDR:
        Description: Second public subnet in the second Availability Zone
        Type: String
        Default: 10.0.2.0/24

    PrivateSub1CIDR:
        Description: First Private subnet in the first Availability Zone
        Type: String
        Default: 10.0.3.0/24

    PrivateSub2CIDR:
        Description: Second public subnet in the second Availability Zone
        Type: String
        Default: 10.0.4.0/24
  
    
Resources:
    MyVPC:
      Type: AWS::EC2::VPC
      Properties:
        CidrBlock: !Ref VPCCIDR
        EnableDnsHostnames: true
        Tags:
          - Key: name
            Value: !Ref ProjectName
    InternetGateway:
        Type: AWS::EC2::InternetGateway
        Properties:
            Tags:
                - Key: Name
                  Value: !Ref ProjectName      
    InternetGatewayAttachment:
        Type: AWS::EC2::VPCGatewayAttachment
        Properties:
            InternetGatewayId: !Ref InternetGateway
            VpcId: !Ref MyVPC
    PublicSub1: 
        Type: AWS::EC2::Subnet
        Properties:
            VpcId: !Ref MyVPC
            AvailabilityZone: !Select [ 0, !GetAZs '' ]
            CidrBlock: !Ref PublicSub1CIDR
            MapPublicIpOnLaunch: true
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Public Subnet First AZ

    PublicSub2: 
        Type: AWS::EC2::Subnet
        Properties: 
            VpcId: !Ref MyVPC
            AvailabilityZone: !Select [ 1, !GetAZs '' ]
            CidrBlock: !Ref PublicSub2CIDR
            MapPublicIpOnLaunch: true
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Public Subnet Second AZ

    PrivateSub1: 
        Type: AWS::EC2::Subnet
        Properties:
            VpcId: !Ref MyVPC
            AvailabilityZone: !Select [ 0, !GetAZs '' ]
            CidrBlock: !Ref PrivateSub1CIDR
            MapPublicIpOnLaunch: false
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Private Subnet First AZ

    PrivateSub2: 
        Type: AWS::EC2::Subnet
        Properties:
            VpcId: !Ref MyVPC
            AvailabilityZone: !Select [ 1, !GetAZs '' ]
            CidrBlock: !Ref PrivateSub2CIDR
            MapPublicIpOnLaunch: false
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Private Subnet Second AZ
    Nat1EIP:
        Type: AWS::EC2::EIP
        DependsOn: InternetGatewayAttachment
        Properties: 
            Domain: vpc

    Nat2EIP:
        Type: AWS::EC2::EIP
        DependsOn: InternetGatewayAttachment
        Properties:
            Domain: vpc

    Nat1: 
        Type: AWS::EC2::NatGateway
        Properties: 
            AllocationId: !GetAtt Nat1EIP.AllocationId
            SubnetId: !Ref PublicSub1

    Nat2: 
        Type: AWS::EC2::NatGateway
        Properties:
            AllocationId: !GetAtt Nat2EIP.AllocationId
            SubnetId: !Ref PublicSub2

    PublicRoutingTable:
        Type: AWS::EC2::RouteTable
        Properties: 
            VpcId: !Ref MyVPC
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Public Routing table

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

    PublicSub1RoutingTableAssociation:
        Type: AWS::EC2::SubnetRouteTableAssociation
        Properties:
            RouteTableId: !Ref PublicRoutingTable
            SubnetId: !Ref PublicSub1

    PublicSub2RoutingTableAssociation:
        Type: AWS::EC2::SubnetRouteTableAssociation
        Properties:
            RouteTableId: !Ref PublicRoutingTable
            SubnetId: !Ref PublicSub2
    

    PrivateRoutingTable1:
        Type: AWS::EC2::RouteTable
        Properties: 
            VpcId: !Ref MyVPC
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Private Routes First AZ

    DefaultPrivateRouting1:
        Type: AWS::EC2::Route
        Properties:
            RouteTableId: !Ref PrivateRoutingTable1
            DestinationCidrBlock: 0.0.0.0/0
            NatGatewayId: !Ref Nat1

    PrivateSub1RoutingTableAssociation:
        Type: AWS::EC2::SubnetRouteTableAssociation
        Properties:
            RouteTableId: !Ref PrivateRoutingTable1
            SubnetId: !Ref PrivateSub1

    PrivateRouteTable2:
        Type: AWS::EC2::RouteTable
        Properties: 
            VpcId: !Ref MyVPC
            Tags: 
                - Key: Name 
                  Value: !Sub ${ProjectName} Private Routes Second AZ

    DefaultPrivateRouting2:
        Type: AWS::EC2::Route
        Properties:
            RouteTableId: !Ref PrivateRouteTable2
            DestinationCidrBlock: 0.0.0.0/0
            NatGatewayId: !Ref Nat2

    PrivateSub2RoutingTableAssociation:
        Type: AWS::EC2::SubnetRouteTableAssociation
        Properties:
            RouteTableId: !Ref PrivateRouteTable2
            SubnetId: !Ref PrivateSub2
Outputs: 

    VPC: 
        Description: A reference to the created VPC
        Value: !Ref MyVPC
        Export:
          Name: !Sub ${ProjectName}-VPCID

    VPCPublicRoutingTable:
        Description: Public Routing
        Value: !Ref PublicRoutingTable
        Export:
          Name: !Sub ${ProjectName}-PUB-RT

    VPCPrivateRoutingTable1:
        Description: Private Routing AZ1
        Value: !Ref PrivateRoutingTable1
        Export:
          Name: !Sub ${ProjectName}-PRI1-RT

    VPCPrivateRouteTable2:
        Description: Private Routing AZ2
        Value: !Ref PrivateRouteTable2
        Export:
          Name: !Sub ${ProjectName}-PRI2-RT

    PublicSubnets:
        Description: A list of the public subnets
        Value: !Join [ ",", [ !Ref PublicSub1, !Ref PublicSub2 ]]
        Export:
          Name: !Sub ${ProjectName}-PUB-SUBs

    PrivateSubnets:
        Description: A list of the private subnets
        Value: !Join [ ",", [ !Ref PrivateSub1, !Ref PrivateSub2 ]]
        Export:
          Name: !Sub ${ProjectName}-PRIV-SUBs

    PublicSub1:
        Description: A reference to the public subnet in the 1st Availability Zone
        Value: !Ref PublicSub1
        Export:
          Name: !Sub ${ProjectName}-PUB1-SUB

    PublicSub2: 
        Description: A reference to the public subnet in the 2nd Availability Zone
        Value: !Ref PublicSub2
        Export:
          Name: !Sub ${ProjectName}-PUB2-SUB

    PrivateSub1:
        Description: A reference to the private subnet in the 1st Availability Zone
        Value: !Ref PrivateSub1
        Export:
          Name: !Sub ${ProjectName}-PRI1-SUB

    PrivateSub2: 
        Description: A reference to the private subnet in the 2nd Availability Zone
        Value: !Ref PrivateSub2
        Export:
          Name: !Sub ${ProjectName}-PRI2-SUB