remove user host from the postgresql module

Since the argument has not been provided for PostgreSQL,
this commit removes it from the postgresql module.

Author: namusyaka

modules/postgresql/README.md

@@ -47,7 +47,6 @@
 | read_replica_zones | The zones for the read replica instancess, it should be something like: `a,b,c`. Given zones are used rotationally for creating read replicas. | string | `` | no |
 | region | The region of the Cloud SQL resources | string | `us-central1` | no |
 | tier | The tier for the master instance. | string | `db-f1-micro` | no |
-| user_host | The host for the default user | string | `%` | no |
 | user_labels | The key/value labels for the master instances. | map | `<map>` | no |
 | user_name | The name of the default user | string | `default` | no |
 | user_password | The password for the default user. If not set, a random one will be generated and available in the generated_user_password output variable. | string | `` | no |

modules/postgresql/main.tf

@@ -15,7 +15,6 @@
  */
 
 locals {
-  default_user_host        = ""
   ip_configuration_enabled = "${length(keys(var.ip_configuration)) > 0 ? true : false}"
 
   ip_configurations = {
@@ -93,7 +92,6 @@ resource "google_sql_user" "default" {
   name       = "${var.user_name}"
   project    = "${var.project_id}"
   instance   = "${google_sql_database_instance.default.name}"
-  host       = "${var.user_host}"
   password   = "${var.user_password == "" ? random_id.user-password.hex : var.user_password}"
   depends_on = ["google_sql_database_instance.default"]
 }
@@ -103,7 +101,6 @@ resource "google_sql_user" "additional_users" {
   project    = "${var.project_id}"
   name       = "${lookup(var.additional_users[count.index], "name")}"
   password   = "${lookup(var.additional_users[count.index], "password", random_id.user-password.hex)}"
-  host       = "${lookup(var.additional_users[count.index], "host", var.user_host)}"
   instance   = "${google_sql_database_instance.default.name}"
   depends_on = ["google_sql_database_instance.default"]
 }

modules/postgresql/variables.tf

@@ -233,11 +233,6 @@ variable "user_name" {
   default     = "default"
 }
 
-variable "user_host" {
-  description = "The host for the default user"
-  default     = "%"
-}
-
 variable "user_password" {
   description = "The password for the default user. If not set, a random one will be generated and available in the generated_user_password output variable."
   default     = ""