Resource consul_key_prefix does not honor datacenter set in provider consul

[amanjeev]

The documentation at https://www.terraform.io/docs/providers/consul/r/key_prefix.html says that datacenter is option and that it by default uses from the provider setup. But that was not true in our case.

Terraform Version

v0.9.3

Affected Resource(s)

Please list the resources as a list, for example:

• consul_key_prefix

Terraform Configuration Files

Provider:

variable "consul_dc" {}
variable "consul_acl_token" {}

provider "consul" {
  datacenter = "${var.consul_dc}"
  token = "${var.consul_acl_token}"
}
module "dtabs"  { source = "modules/dtabs"  dc = "${var.consul_dc}" }

Resource (without datacenter) original:

resource "consul_key_prefix" "keys" {
  path_prefix = "${var.prefix}${var.path}"
  subkeys = "${data.external.dtabs_keys.result}"
}

Resource (with datacenter) modified/fixed:

resource "consul_key_prefix" "keys" {
  datacenter = "${var.dc}" 
  path_prefix = "${var.prefix}${var.path}"
  subkeys = "${data.external.dtabs_keys.result}"
}

Expected Behavior

Since datacenter is already passed in via provider "consul", it should have chosen the correct datacenter.

Actual Behavior

It chose the wrong datacenter.

Steps to Reproduce

Please list the steps required to reproduce the issue, for example:

1. Use "Resource (without datacenter) original" resource above
2. terraform apply

[ghost]

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