Support for VNET preview feature?

Terraform Providers Azure
1

Hi terraformers!

The “AllowUpdateAddressSpaceInPeeredVnets” has been in preview (at least) since 2021-08-13 (ref: How to re-size Azure virtual networks that are peered—now in preview | Azure Blog and Updates | Microsoft Azure).

Being able to add/remove address prefixes to peered VNETs containing production workloads makes our lives so much more easy.

I have been testing this feature on some of our “legacy” (not terraformed) environments manually via the portal, and the feature works as intended.
But when I try to make similar changes to VNET(s) under terraform, it throws the “…VNET_NAME cannot change when virtual network has peerings.” Details=" error in my face.

Question
It the preview feature “AllowUpdateAddressSpaceInPeeredVnets” supported by the azurerm provider - and if so, what version should I be using? (currently at 2.37.0, yes it’s old).

Any input on this would be very helpful indeed.
Thanks,
Espen

2

v2.73.0 should support it as far as I can check.

There is a known issue which is currently under the works, but basic functionality is available from there.

3

Thank you so much for the quick reply!

Yes, according to the release notes, version 2.73.0 has bumped the network API version to 2021-02-01 (Microsoft.Network/virtualNetworks/virtualNetworkPeerings 2021-02-01 - Bicep & ARM template reference | Microsoft Docs) which is exposing the new ‘peeringSyncLevel’ property.

That seems to be it - I’ll need to upgrade my provider and see if it works.

/E

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