lab267.yaml

AWSTemplateFormatVersion: '2010-09-09'
Description: CloudFormation template for creating VPC, subnets, gateways, routes, and an EC2 instance with a key pair.

Parameters:
  VpcCidr:
    Type: String
    Description: CIDR range for the VPC
    Default: '10.0.0.0/16'
  PublicSubnet1Cidr:
    Type: String
    Description: CIDR range for Public Subnet 1
    Default: '10.0.0.0/24'
  PrivateSubnet1Cidr:
    Type: String
    Description: CIDR range for Private Subnet 1
    Default: '10.0.1.0/24'
  PublicSubnet2Cidr:
    Type: String
    Description: CIDR range for Public Subnet 2
    Default: '10.0.2.0/24'
  PrivateSubnet2Cidr:
    Type: String
    Description: CIDR range for Private Subnet 2
    Default: '10.0.3.0/24'
  LinuxAmiId:
    Type: String
    Description: ID of the Linux AMI for EC2 instance
    Default: 'ami-00970f57473724c10'

Resources:
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: !Ref VpcCidr
      Tags:
        - Key: Name
          Value: "Jingru's VPC"

  InternetGateway:
    Type: AWS::EC2::InternetGateway

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

  PublicSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: 'us-west-2a'
      CidrBlock: !Ref PublicSubnet1Cidr
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: "Public Subnet 1"

  PrivateSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: 'us-west-2a'
      CidrBlock: !Ref PrivateSubnet1Cidr
      Tags:
        - Key: Name
          Value: "Private Subnet 1"

  PublicSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: 'us-west-2b'
      CidrBlock: !Ref PublicSubnet2Cidr
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: "Public Subnet 2"

  PrivateSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: 'us-west-2b'
      CidrBlock: !Ref PrivateSubnet2Cidr
      Tags:
        - Key: Name
          Value: "Private Subnet 2"

  PublicRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: "Public Route Table"

  PrivateRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: "Private Route Table"

  PublicRoute:
    Type: AWS::EC2::Route
    DependsOn: VPCGatewayAttachment
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: '0.0.0.0/0'
      GatewayId: !Ref InternetGateway

  NATGatewayEIP:
    Type: AWS::EC2::EIP
    Properties:
      Domain: vpc

  NATGateway:
    Type: AWS::EC2::NatGateway
    Properties:
      SubnetId: !Ref PublicSubnet1
      AllocationId: !GetAtt NATGatewayEIP.AllocationId

  PrivateRoute1:
    Type: AWS::EC2::Route
    Properties:
      RouteTableId: !Ref PrivateRouteTable
      DestinationCidrBlock: '0.0.0.0/0'
      NatGatewayId: !Ref NATGateway

  InstanceSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: "Enable SSH and HTTP access"
      VpcId: !Ref VPC
      SecurityGroupIngress:
        - CidrIp: '0.0.0.0/0'
          IpProtocol: tcp
          FromPort: 22
          ToPort: 22
        - CidrIp: '0.0.0.0/0'
          IpProtocol: tcp
          FromPort: 80
          ToPort: 80

  EC2Instance:
    Type: AWS::EC2::Instance
    Properties:
      InstanceType: t3.micro
      ImageId: !Ref LinuxAmiId
      SubnetId: !Ref PublicSubnet2
      SecurityGroupIds:
        - !Ref InstanceSecurityGroup
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash
          sudo su
          yum update -y
          yum install -y httpd
          echo "<p> My Instance! </p>" > /var/www/html/index.html
          systemctl start httpd
          systemctl enable httpd


Outputs:
  VpcId:
    Value: !Ref VPC
  PublicSubnet1Id:
    Value: !Ref PublicSubnet1
  PrivateSubnet1Id:
    Value: !Ref PrivateSubnet1
  PublicSubnet2Id:
    Value: !Ref PublicSubnet2
  PrivateSubnet2Id:
    Value: !Ref PrivateSubnet2
  InstanceId:
    Value: !Ref EC2Instance
  InstancePublicIp:
    Value: !GetAtt EC2Instance.PublicIp