Remove port 22, enhance variables file

[lucasmelogithub]

PR Type

enhancement, configuration changes

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Description

• Removed port 22 from the firewall rules in both chatqna and codegen modules to enhance security.
• Commented out default values for variables in variables.tf to encourage explicit user input.
• Adjusted formatting for user_data assignment in main.tf for better readability.

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Changes walkthrough 📝

	Relevant files
Configuration changes	main.tf Update firewall rules and format user data assignment        examples/gen-ai-xeon-opea-chatqna/main.tf Removed port 22 from the firewall rules. Adjusted formatting for user_data assignment. +2/-2      main.tf Update firewall rules to remove port 22                                    examples/gen-ai-xeon-opea-codegen/main.tf Removed port 22 from the firewall rules. +1/-1
Enhancement	variables.tf Comment out default variable values                                            examples/gen-ai-xeon-opea-chatqna/variables.tf Commented out default values for variables. +2/-1

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Security Concern The user_data field now includes the HUGGINGFACEHUB_API_TOKEN directly in the template file, which might expose sensitive information if not handled securely. Best Practice Commenting out default values for critical variables like the GCP project ID and Huggingface Token encourages explicit configuration but may lead to runtime errors if not set by the user.

[github-actions]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Score
Enhancement	Add conditional logic to nat_ip and public_ptr_domain_name settings based on deployment needs Ensure that the nat_ip and public_ptr_domain_name fields in the access_config are intentionally set to null, or provide a conditional setup based on environment or deployment requirements. examples/gen-ai-xeon-opea-chatqna/main.tf [18-20] -nat_ip = null -public_ptr_domain_name = null +nat_ip = var.use_nat_ip ? var.nat_ip_value : null +public_ptr_domain_name = var.use_public_ptr ? var.public_ptr_domain_name_value : null Suggestion importance[1-10]: 8 Why: Introducing conditional logic for nat_ip and public_ptr_domain_name provides flexibility for different deployment scenarios, improving the module's adaptability and configurability. This is a valuable enhancement.	8
Best practice	Add validation for HUGGINGFACEHUB_API_TOKEN to ensure it meets security standards Consider adding a validation rule for the HUGGINGFACEHUB_API_TOKEN to ensure it meets expected format or length requirements, enhancing security and robustness. examples/gen-ai-xeon-opea-chatqna/main.tf [17] user_data = templatefile("./cloud_init.yml", { HUGGINGFACEHUB_API_TOKEN = var.huggingface_token }) +validation { + condition = length(var.huggingface_token) > 20 + error_message = "The HUGGINGFACEHUB_API_TOKEN must be at least 20 characters." +} Suggestion importance[1-10]: 7 Why: Adding a validation rule for the HUGGINGFACEHUB_API_TOKEN enhances security by ensuring the token meets a minimum length requirement. This is a beneficial improvement, although the specific condition may need adjustment based on actual token requirements.	7
Security	Reduce the number of open ports to enhance security Review the extensive list of ports exposed in the firewall rules to minimize potential vulnerabilities, especially if some ports are not required for the application's functionality. examples/gen-ai-xeon-opea-chatqna/main.tf [34] -ports = ["80", "443", "6379", "8001", "6006", "6007", "6000", "7000", "8808", "8000", "8888", "5173", "5174", "9009", "9000"] +ports = ["80", "443", "8001", "8888"] Suggestion importance[1-10]: 6 Why: Reducing the number of open ports can significantly enhance security by minimizing potential attack vectors. However, the suggested ports may not align with the application's requirements, necessitating further review.	6

[kevinbleckmann]

LGTM