[AVM Question/Feedback]: dns_servers should be applied in the same order they were passed to the module

[Cyr-Az]

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Description

Hi,

The ordering of dns servers configured on a vnet does matter (see https://learn.microsoft.com/en-us/azure/virtual-network/manage-virtual-network#change-dns-servers ), so it would be better if the module could keep the order in which the dns server list is passed to the module.

I guess that would require changing the dns_servers variable type from a set to a list, maybe with distinct() to prevent duplicates.

Thanks :)

[jaredfholgate]

@Cyr-Az I think distinct would break the ordering, but we could add validation to the input variable. We are happy to accept a PR if you need this soon.