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naming_conventions.md

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Table of Contents

Azure Resource Naming Conventions

  • Use consistent naming conventions for all Azure resources to ensure clarity, manageability, and compliance with best practices. A well-defined naming convention should help identify the resource type, its associated workload, environment, and location.

  • Standardize Naming with Terraform Modules:

    • Utilize naming modules like the Cloud Posse Null Label Module and the Azure CAF Naming Module to enforce consistent naming conventions across all resources. These modules simplify the process of generating descriptive, standardized names by consolidating naming logic into reusable components that adhere to best practices.
    • Standardize Azure Region names and region codes.
    • Standardize Azure Resource naming and label codes.
    • Standardize Azure Environment names and codes.
    • Key Features:
      • Consistency Across Environments: Ensure that resource names are standardized across different environments and services, following a consistent format.
      • Automated Naming Logic: Automatically generate resource names based on predefined rules, reducing the chance of human error and enhancing the maintainability of your infrastructure.
      • Simplified Implementation: Streamline the application of complex naming conventions by using these modules, especially in large or multi-environment setups.
      • Enhanced Collaboration: Provide a consistent naming schema that all team members can follow, improving collaboration and reducing confusion.

  • Apply naming patterns consistently across all environments and stages to maintain predictability and ease of management. Consistency in naming helps in resource identification, management, and automation.

  • Examples of Azure Naming Patterns:

    • Resource Group: rg-acctlookupsvc-shared-prod-westus-001
    • Virtual Network: vnet-prod-westus-001
    • Public IP Address: pip-sharepoint-prod-westus-001

For detailed guidance on constructing Azure naming conventions, refer to the Azure Cloud Adoption Framework (CAF). For standardized abbreviations and further guidance on Terraform resource naming, see the Recommended abbreviations for Azure resource types.

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Terraform Symbolic Naming Conventions

  • Use consistent naming conventions for Terraform resources, variables, and outputs to ensure clarity and maintainability across your Terraform configurations. Terraform symbolic names should be descriptive yet concise, reflecting the purpose and type of resource they represent.

  • Standardize inputs and outputs choosing simple and identifiable keys like name or id rather than resource-specific terms like vnet_name or keyvault_id. This approach ensures that variables and outputs are generic and reusable, making the codebase easier to maintain and extend. For example:

    • Use name instead of vnet_name or keyvault_name
    • Use id instead of vnet_id or keyvault_id

  • Use simple yet descriptive symbolic names for reusable Terraform modules code to enhance readability and maintainability. For example:

    • azurerm_virtual_network.this for a general-purpose virtual network resource.
    • azurerm_role_assignment.network_contributor_on_vnet for a role assignment specific to network contributors on a virtual network.

  • Examples of Terraform Symbolic Naming Patterns:

    • Terraform Resource Name: azurerm_virtual_network.external
    • Variable Name: azurerm_virtual_network.external.name instead of azurerm_virtual_network.external.vnet_name
    • Output Name: azurerm_virtual_network.external.id instead of azurerm_virtual_network.external.vnet_id

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