azurerm_application_gateway - identity block - type, should default to UserAssigned as it's the only allowed value

[jdelforno]

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Terraform (and AzureRM Provider) Version

• Terraform Core version: 1.15
• AzureRM Provider version: 2.96.0

Terraform Configuration Files

N/A - Issue is rather straight forward.

Description / Feedback

Default the Identity type to "UserAssigned" as it's currently the only type available.

Edit: Also since upgrading, I'm now constantly seeing the Application Gateway doing an in-place upgrade for the Identity block.

[tombuildsstuff]

hi @jdelforno

We're currently working through making the identity block behaviourally consistent across the Provider (see #15187 for details) - as a part of this we're moving to be behaviourally consistent in requiring that the identity block is specified when a Managed Identity is assigned to a resource, so that users can be sure an identity is present.

As such in order to be behaviourally consistent across the provider, unfortunately we have no plans to make this field optional & defaulted - as this would mean a breaking change to the configuration should other Identity types (such as SystemAssigned, or SystemAssigned, UserAssigned) become available in the future.

The other issue here (the identity block not being set into the state) is a regression which has been previously opened in #15411 and has been fixed by #15412 which will ship in the next release.

Thanks!

[github-actions]

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