Implementation of Azure Resource Manager (azurerm) Backend for Terragrunt's Remote State Management #4307
Description
Summary
The azurerm backend will allow users to leverage the "remote state" feature with Azure storage. This implementation enables the use of the --dependency-fetch-output-from-state option, which significantly improves deployment speed for complex and large infrastructures.
Motivation
As organizations increasingly adopt Azure as their cloud provider, there is a growing need for tools that facilitate infrastructure management in Azure environments. Currently, Terragrunt supports S3 and GCS backends for remote state management, but lacks support for Azure. By implementing an azurerm backend, we can enhance Terragrunt's usability for Azure users, enabling them to manage their Terraform state files more effectively.
Proposal
Implement a remote state backend for azurerm using go-azure-sdk.
Technical Details
The implementation will include the following components:
- Backend Interface: Implement the
backend.Backendinterface to ensure compatibility with Terragrunt's existing architecture. - Configuration Struct: Define a configuration struct to hold necessary parameters such as
storage_account_name,container_name, andkey.
The configuration for the azurerm backend will include the following fields:
remote_state {
backend = "azurerm"
config = {
storage_account_name = "mytfstateaccount"
container_name = "mytfstatecontainer"
key = "terraform.tfstate"
use_azuread_auth = true
subscription_id = ""
tenant_id = ""
}
}Press Release
Terragrunt now supports the Azure backend in remote state configuration, enabling seamless state management for Azure-based infrastructure.
Drawbacks
No response
Alternatives
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Migration Strategy
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Unresolved Questions
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References
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Proof of Concept Pull Request
No response
Support Level
- I have Terragrunt Enterprise Support
- I am a paying Gruntwork customer
Customer Name
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