101 lines
3.9 KiB
HCL
101 lines
3.9 KiB
HCL
# ------------------------------------------------------------------------------
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# LAUNCH A POSTGRES CLOUD SQL PRIVATE IP INSTANCE
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# CONFIGURE OUR GCP CONNECTION
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# ------------------------------------------------------------------------------
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provider "google-beta" {
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version = "~> 2.1.0"
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region = "${var.region}"
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project = "${var.project}"
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}
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# Use Terraform 0.10.x so that we can take advantage of Terraform GCP functionality as a separate provider via
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# https://github.com/terraform-providers/terraform-provider-google
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terraform {
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required_version = ">= 0.10.3"
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}
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# ------------------------------------------------------------------------------
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# CREATE A RANDOM SUFFIX AND PREPARE RESOURCE NAMES
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# ------------------------------------------------------------------------------
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resource "random_id" "name" {
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byte_length = 2
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}
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locals {
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# If name_override is specified, use that - otherwise use the name_prefix with a random string
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instance_name = "${length(var.name_override) == 0 ? format("%s-%s", var.name_prefix, random_id.name.hex) : var.name_override}"
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private_network_name = "private-network-${random_id.name.hex}"
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private_ip_name = "private-ip-${random_id.name.hex}"
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}
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# ------------------------------------------------------------------------------
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# CREATE COMPUTE NETWORKS
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# ------------------------------------------------------------------------------
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# Simple network, auto-creates subnetworks
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resource "google_compute_network" "private_network" {
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provider = "google-beta"
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name = "${local.private_network_name}"
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}
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# Reserve global internal address range for the peering
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resource "google_compute_global_address" "private_ip_address" {
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provider = "google-beta"
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name = "${local.private_ip_name}"
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purpose = "VPC_PEERING"
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address_type = "INTERNAL"
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prefix_length = 16
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network = "${google_compute_network.private_network.self_link}"
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}
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# Establish VPC network peering connection using the reserved address range
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resource "google_service_networking_connection" "private_vpc_connection" {
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provider = "google-beta"
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network = "${google_compute_network.private_network.self_link}"
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service = "servicenetworking.googleapis.com"
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reserved_peering_ranges = ["${google_compute_global_address.private_ip_address.name}"]
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}
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# ------------------------------------------------------------------------------
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# CREATE DATABASE INSTANCE WITH PRIVATE IP
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# ------------------------------------------------------------------------------
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module "postgres" {
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# When using these modules in your own templates, you will need to use a Git URL with a ref attribute that pins you
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# to a specific version of the modules, such as the following example:
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# source = "git::git@github.com:gruntwork-io/terraform-google-sql.git//modules/cloud-sql?ref=v0.1.0"
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source = "./modules/cloud-sql"
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project = "${var.project}"
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region = "${var.region}"
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name = "${local.instance_name}"
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db_name = "${var.db_name}"
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engine = "${var.postgres_version}"
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machine_type = "${var.machine_type}"
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# These together will construct the master_user privileges, i.e.
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# 'master_user_name'@'master_user_host' IDENTIFIED BY 'master_user_password'.
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# These should typically be set as the environment variable TF_VAR_master_user_password, etc.
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# so you don't check these into source control."
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master_user_password = "${var.master_user_password}"
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master_user_name = "${var.master_user_name}"
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master_user_host = "%"
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# Pass the private network link to the module
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private_network = "${google_compute_network.private_network.self_link}"
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# Wait for the vpc connection to complete
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wait_for = "${google_service_networking_connection.private_vpc_connection.network}"
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custom_labels = {
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test-id = "postgres-private-ip-example"
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}
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}
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