Terraform error and stops working after executing nsxt_policy_ip_address_allocation

[tankunsheng]

Terraform error and stops working after executing nsxt_policy_ip_address_allocation without providing allocation_ip (should be optional as per stated in the docs)

Following the docs for ip address allocation, I did the following without specifying an allocation_ip

resource "nsxt_policy_ip_address_allocation" "test" {
  display_name  = "test"
  description   = "Terraform provisioned IpAddressAllocation"
  pool_path     = nsxt_policy_ip_pool.pool1.path
  # allocation_ip = "12.12.12.12"
}

An error was thrown after applying

Subsequent terraform plan and apply fails and throws "Error: com.vmware.vapi.std.errors.invalid_request"

but in actuality, the IP has been allocated successfully as it can be seen on the nsxmgr webpage and queried from List IP Pool Allocations endpoint /v1/pools/ip-pools/{poolid}/allocations

This issue does not occur if an allocation_ip is specified upfront.

terraform version = v0.13.2 and v0.13.1
vmware/nsxt version = "3.0.1"

[annakhm]

Thanks @tankunsheng for filing this. Fixing with #468