📌 Title and Description

AutoS3Uploader

A lightweight Bash script that automates the process of uploading files or folders from an EC2 instance to an AWS S3 bucket. It allows users to either create a new bucket or use an existing one, checks AWS CLI installation and configuration, and securely uploads files or folders to the specified bucket.

🚀 Features

• Automatically checks and installs AWS CLI v2 if missing.

• Verifies AWS CLI configuration before proceeding.

• Lets you create a new S3 bucket or use an existing bucket.

• Uploads files or folders directly from the EC2 instance to S3.

• Provides clear prompts and error handling for smooth execution.

💻 Tech Stack

• Bash/Shell Scripting
• AWS CLI v2

🌐 AWS Services Used

• Amazon S3 – For storing uploaded files.

• AWS IAM – For managing permissions to access and upload to S3.

🛠️ Installation

1. Clone this repository on your EC2 instance:

   git clone https://github.com/<your-username>/AutoS3Uploader.git
   cd AutoS3Uploader
   

2. Give execution permission:

    chmod +x AutoS3Uploader.sh
   

3. Ensure AWS CLI is configured:

   aws configure
   
    

📦 Usage

1. Run the script using the command:

   ./AutoS3Uploader.sh
   

You will be prompted to:

• Choose whether to create a new S3 bucket or use an existing one.

• Enter the bucket name (and region if creating a new one).

• Provide the full path of the file or folder on the EC2 instance.

• The script uploads your file/folder to S3.

📚 Lessons Learned

• How to automate AWS CLI operations using Bash.

• Handling user input and conditions in shell scripts.

• Managing AWS S3 buckets and file uploads programmatically.

• Implementing error handling with set -euo pipefail for safer scripts.

⚖️ License

This project is licensed under the MIT License - see the LICENSE file for details.

👩‍💻 Author

Nishika Jaiswal
Aspiring Cloud & DevOps Engineer