Terraform Utility Module Specifications

ID: TFFR3 - Category: Providers - Permitted Versions

Authors MUST only use the following Azure providers, and versions, in their modules:

Authors MUST use the required_providers block in their module to enforce the provider versions.

The following is an example.

• In it we use the pessimistic version constraint operator ~>.
• That is to say that ~> 4.0 is equivalent to >= 4.0, < 5.0.

terraform {
  required_providers {
    # Include one or both providers, as needed
    azurerm = {
      source  = "hashicorp/azurerm"
      version = "~> 4.0"
    }
    azapi = {
      source  = "Azure/azapi"
      version = "~> 2.0"
    }
  }
}

ID: SNFR17 - Category: Release - Semantic Versioning

Modules MUST use semantic versioning (aka semver) for their versions and releases in accordance with: Semantic Versioning 2.0.0

For example all modules should be released using a semantic version that matches this pattern: X.Y.Z

• X == Major Version
• Y == Minor Version
• Z == Patch Version

Module versioning before first Major version release 1.0.0

• Initially modules MUST be released as version 0.1.0 and incremented via Minor and Patch versions only until the AVM Core Team are confident the AVM specifications are mature enough and appropriate CI test coverage is in place, plus the module owner is happy the module has been “road tested” and is now stable enough for its first Major release of version 1.0.0.

  Note

  Releasing as version 0.1.0 initially and only incrementing Minor and Patch versions allows the module owner to make breaking changes more easily and frequently as it’s still not an official Major/Stable release. 👍

• Until first Major version 1.0.0 is released, given a version number X.Y.Z:

  • X Major version MUST NOT be bumped.
  • Y Minor version MUST be bumped when introducing breaking changes (which would normally bump Major after 1.0.0 release) or feature updates (same as it will be after 1.0.0 release).
  • Z Patch version MUST be bumped when introducing non-breaking, backward compatible bug fixes (same as it will be after 1.0.0 release).