Error "Cannot disable or delete the last origin when the origin group is still associated with a route or a rule. Please disassociate the origin group and try again."

[FlorentATo]

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Issue

Updating the name of the resource azurerm_cdn_frontdoor_origin, along with updating the attribute host_name causes the resource to be recreated. However, Terraform fails with an error.

Consequence: The new origin is added to the origin group while the old origin remains present.

Fix: Running terraform apply again.

---

Terraform Version

1.9.7

AzureRM Provider Version

4.3.0

Affected Resource(s)/Data Source(s)

azurerm_cdn_frontdoor_origin

Terraform Configuration Files

Before:

resource "azurerm_cdn_frontdoor_origin" "fdo_old_name" {
  (...)
  host_name = "<old_hostname>"
  (...)
}

resource "azurerm_cdn_frontdoor_route" "route" {
  (..)
  cdn_frontdoor_origin_ids = [
    azurerm_cdn_frontdoor_origin.fdo_old_name.id
  ]
  (...)
}

After:

resource "azurerm_cdn_frontdoor_origin" "fdo_new_name" {
  (...)
  host_name = "<new_hostname>"
  (...)
}

resource "azurerm_cdn_frontdoor_route" "route" {
  (..)
  cdn_frontdoor_origin_ids = [
    azurerm_cdn_frontdoor_origin.fdo_new_name.id
  ]
  (...)
}

Debug Output/Panic Output

Error: deleting Front Door Origin: (Origin Name "<old_name>" / Origin Group Name "---REDACTED---" / Profile Name "---REDACTED---" / Resource Group "---REDACTED---"): cdn.AFDOriginsClient#Delete: Failure sending request: StatusCode=400 -- Original Error: Code="BadRequest" Message="Cannot disable or delete the last origin when the origin group is still associated with a route or a rule. Please disassociate the origin group and try again."

Expected Behaviour

Terraform should be able to replace the resource in-place.

Actual Behaviour

Terraform failed to update the resource on the first apply, and needed a second one to finalize the state.

Steps to Reproduce

Simply run a terraform apply.

Important Factoids

No response

References

No response