fix: Dev to main MACAE V3

[Dhruvkumar-Microsoft]

Purpose

This pull request primarily refactors deployment scripts and infrastructure templates to improve maintainability, security, and clarity. The main changes include replacing echo with printf for more consistent output formatting in deployment scripts, updating how administrator credentials are handled for virtual machines, and adjusting logging environment variables for the backend and frontend deployments.

Deployment script improvements:

• Switched from echo to printf for post-deployment messaging in both azure.yaml and azure_custom.yaml, resulting in more consistent and readable output formatting. [1] [2]

Infrastructure parameter and security updates:

• Changed virtualMachineAdminUsername and virtualMachineAdminPassword parameters in both infra/main.bicep and infra/main_custom.bicep from default-generated values to optional parameters, allowing explicit credential specification. [1] [2]
• Updated the virtual machine module to use fallback default credentials only if parameters are not provided, improving flexibility and clarity in deployments. [1] [2]

Environment variable and logging configuration:

• Added logging-related environment variables (AZURE_BASIC_LOGGING_LEVEL, AZURE_PACKAGE_LOGGING_LEVEL, AZURE_LOGGING_PACKAGES) to the backend container app configuration for both standard and custom deployments, while removing them from the frontend/web site configuration to avoid redundancy. [1] [2] [3] [4]

Python logging initialization:

• Removed the global logging.basicConfig(level=logging.INFO) initialization from src/backend/common/utils/utils_kernel.py to prevent unintended side effects and allow more controlled logging configuration elsewhere.

Does this introduce a breaking change?

• Yes
• No

How to Test

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Other Information

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🎉 This PR is included in version 3.1.1 🎉

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