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main.tf
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main.tf
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/******************************************
define terraform version
*****************************************/
terraform {
required_version = "~> 0.12.0"
}
/******************************************
VPC configuration
*****************************************/
resource "google_compute_network" "network" {
name = var.network_name
auto_create_subnetworks = var.auto_create_subnetworks
routing_mode = var.routing_mode
project = var.project_id
description = var.description
}
/******************************************
Shared VPC
*****************************************/
resource "google_compute_shared_vpc_host_project" "shared_vpc_host" {
count = var.shared_vpc_host == "true" ? 1 : 0
project = var.project_id
depends_on = [google_compute_network.network]
}
/******************************************
Subnet configuration
*****************************************/
resource "google_compute_subnetwork" "subnetwork" {
count = length(var.subnets)
name = var.subnets[count.index]["subnet_name"]
ip_cidr_range = var.subnets[count.index]["subnet_ip"]
region = var.subnets[count.index]["subnet_region"]
private_ip_google_access = lookup(var.subnets[count.index], "subnet_private_access", "false")
enable_flow_logs = lookup(var.subnets[count.index], "subnet_flow_logs", "false")
network = google_compute_network.network.name
project = var.project_id
secondary_ip_range = var.secondary_ranges[lookup(var.subnets[count.index], "subnet_name", null)]
}
data "google_compute_subnetwork" "created_subnets" {
count = length(var.subnets)
name = element(google_compute_subnetwork.subnetwork.*.name, count.index)
region = element(google_compute_subnetwork.subnetwork.*.region, count.index)
project = var.project_id
}
/******************************************
Routes
*****************************************/
resource "google_compute_route" "route" {
count = length(var.routes)
project = var.project_id
network = var.network_name
name = lookup(var.routes[count.index], "name", format("%s-%s-%d", lower(var.network_name), "route", count.index))
description = lookup(var.routes[count.index], "description", "")
tags = compact(split(",", lookup(var.routes[count.index], "tags", "")))
dest_range = lookup(var.routes[count.index], "destination_range", "")
next_hop_gateway = lookup(var.routes[count.index], "next_hop_internet", "") == "true" ? "default-internet-gateway" : ""
next_hop_ip = lookup(var.routes[count.index], "next_hop_ip", "")
next_hop_instance = lookup(var.routes[count.index], "next_hop_instance", "")
next_hop_instance_zone = lookup(var.routes[count.index], "next_hop_instance_zone", "")
next_hop_vpn_tunnel = lookup(var.routes[count.index], "next_hop_vpn_tunnel", "")
priority = lookup(var.routes[count.index], "priority", "1000")
depends_on = [
google_compute_network.network,
google_compute_subnetwork.subnetwork,
]
}