Python Script to Transfer a File to EC2 Using SSM

 import boto3

import base64

import os

def transfer_files_to_ec2(file_paths, instance_id, region="us-east-1"):

    # Initialize SSM client

    ssm_client = boto3.client("ssm", region_name=region)

    for file_path in file_paths:

        # Read and encode each file content in Base64

        with open(file_path, "rb") as file:

            file_content = file.read()

        base64_content = base64.b64encode(file_content).decode("utf-8")

        

        # Extract filename to be saved on EC2

        filename = os.path.basename(file_path)

        

        # Prepare SSM command with the Base64 content

        commands = [

            f'echo "{base64_content}" | base64 -d > /home/ec2-user/{filename}'

        ]

        

        # Send the command to EC2 via SSM

        response = ssm_client.send_command(

            DocumentName="AWS-RunShellScript",

            Parameters={"commands": commands},

            InstanceIds=[instance_id]

        )

        

        # Fetch command ID to track

        command_id = response["Command"]["CommandId"]

        

        print(f"File '{filename}' is being transferred to instance '{instance_id}' as '/home/ec2-user/{filename}'.")

# Example usage

file_paths = ["test1.py", "test2.py"]  # Replace with paths to your files

instance_id = "i-xxxxxxxxxxxxxxx"  # Replace with your EC2 instance ID

region = "us-east-1"  # Replace with your AWS region if different

transfer_files_to_ec2(file_paths, instance_id, region)