Setting Up an AWS EC2 Windows Instance in an Existing VPC with IAM Role for S3 Bucket Read/Write Permissions using CloudFormation
This guide outlines the procedure for deploying an AWS EC2 Windows instance using CloudFormation, situated within an existing VPC. The EC2 instance is associated with an IAM role that grants read and write permissions to a specific S3 bucket. Using CloudFormation for the setup process ensures a smooth, automated, and repeatable deployment, effectively managing your AWS resources.
Parameters:
MyVPC:
Description: The ID of the existing VPC
Type: String
MySubnet:
Description: The ID of the existing Subnet
Type: String
Resources:
MySecurityGroup:
Type: 'AWS::EC2::SecurityGroup'
Properties:
GroupDescription: Security Group for EC2 instance
VpcId: !Ref MyVPC
SecurityGroupIngress:
- IpProtocol: tcp
CidrIp: '0.0.0.0/0'
FromPort: 80
ToPort: 80
- IpProtocol: tcp
CidrIp: '0.0.0.0/0'
FromPort: 443
ToPort: 443
- IpProtocol: tcp
CidrIp: '0.0.0.0/0'
FromPort: 22
ToPort: 22
MyIAMRole:
Type: 'AWS::IAM::Role'
Properties:
RoleName: MyIAMRole
AssumeRolePolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Principal:
Service: ec2.amazonaws.com
Action: 'sts:AssumeRole'
Policies:
- PolicyName: S3BucketReadWrite
PolicyDocument:
Version: 2012-10-17
Statement:
- Effect: Allow
Action:
- 's3:PutObject'
- 's3:GetObject'
Resource: 'arn:aws:s3:::bucket-name/*' # Replace 'bucket-name' with your S3 bucket name
InstanceProfile:
Type: 'AWS::IAM::InstanceProfile'
Properties:
Roles:
- !Ref MyIAMRole
MyEC2Instance:
Type: 'AWS::EC2::Instance'
Properties:
ImageId: ami-0b898040803850657 # This is an example ID for a Windows Server 2019 in us-east-1. Change it to your AMI ID.
InstanceType: t2.micro
KeyName: MyKeyPair # Use your key pair name
IamInstanceProfile: !Ref InstanceProfile
NetworkInterfaces:
- DeviceIndex: 0
SubnetId: !Ref MySubnet
GroupSet:
- !Ref MySecurityGroup
AssociatePublicIpAddress: false
Outputs:
InstanceId:
Description: The Instance ID
Value: !Ref MyEC2Instance
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