Google lbs

environments/gprd/load-balancers/fe-http.tf

+resource "google_compute_forwarding_rule" "fe_forwarding_rule_http" {
+  name                  = "gitlab-frontend-http"
+  project               = "${var.project}"
+  region                = "${var.region}"
+  target                = "${google_compute_target_pool.fe_lb_http_pool.self_link}"
+  load_balancing_scheme = "EXTERNAL"
+  ports                 = ["80"]
+  ip_address            = "${google_compute_address.fe_external_ip.address}"
+}
+
+resource "google_compute_target_pool" "fe_lb_http_pool" {
+  project = "${var.project}"
+  name    = "gitlab-frontend-http-pool"
+  region  = "${var.region}"
+
+  session_affinity = "NONE"
+  instances        = ["${var.fe_http_instances}"]
+
+  health_checks = [
+    "${google_compute_http_health_check.fe_lb_http_health_check.name}",
+  ]
+}
+
+resource "google_compute_http_health_check" "fe_lb_http_health_check" {
+  project             = "${var.project}"
+  name                = "fe_lb_http_health_check"
+  host                = "gitlab.com"
+  port                = "80"
+  request_path        = "/help"
+  timeout_sec         = 2
+  check_interval_sec  = 2
+  healthy_threshold   = 2
+  unhealthy_threshold = 2
+}

environments/gprd/load-balancers/fe-https.tf

+resource "google_compute_forwarding_rule" "fe_forwarding_rule_https" {
+  name                  = "gitlab-frontend-https"
+  project               = "${var.project}"
+  region                = "${var.region}"
+  target                = "${google_compute_target_pool.fe_lb_https_pool.self_link}"
+  load_balancing_scheme = "EXTERNAL"
+  ports                 = ["443"]
+  ip_address            = "${google_compute_address.fe_external_ip.address}"
+}
+
+resource "google_compute_target_pool" "fe_lb_https_pool" {
+  project = "${var.project}"
+  name    = "gitlab-frontend-https-pool"
+  region  = "${var.region}"
+
+  session_affinity = "NONE"
+  instances        = ["${var.fe_https_instances}"]
+
+  health_checks = [
+    "${google_compute_https_health_check.fe_lb_https_health_check.name}",
+  ]
+}
+
+resource "google_compute_https_health_check" "fe_lb_https_health_check" {
+  project             = "${var.project}"
+  name                = "fe_lb_https_health_check"
+  host                = "gitlab.com"
+  port                = "443"
+  request_path        = "/help"
+  timeout_sec         = 2
+  check_interval_sec  = 2
+  healthy_threshold   = 2
+  unhealthy_threshold = 2
+}

environments/gprd/load-balancers/fe-ssh.tf

+resource "google_compute_forwarding_rule" "fe_forwarding_rule_ssh" {
+  name                  = "gitlab-frontend-ssh"
+  project               = "${var.project}"
+  region                = "${var.region}"
+  target                = "${google_compute_target_pool.fe_lb_ssh_pool.self_link}"
+  load_balancing_scheme = "EXTERNAL"
+  ports                 = ["22"]
+  ip_address            = "${google_compute_address.fe_external_ip.address}"
+}
+
+resource "google_compute_target_pool" "fe_lb_ssh_pool" {
+  project = "${var.project}"
+  name    = "gitlab-frontend-ssh-pool"
+  region  = "${var.region}"
+
+  session_affinity = "NONE"
+  instances        = ["${var.fe_ssh_instances}"]
+
+  health_checks = [
+    "${google_compute_health_check.fe_lb_ssh_health_check.name}",
+  ]
+}
+
+resource "google_compute_health_check" "fe_lb_ssh_health_check" {
+  project             = "${var.project}"
+  name                = "fe_lb_ssh_health_check"
+  timeout_sec         = 2
+  check_interval_sec  = 2
+  healthy_threshold   = 2
+  unhealthy_threshold = 2
+
+  tcp_health_check {
+    port = "22"
+  }
+}

environments/gprd/load-balancers/ips.tf

+resource "google_compute_address" "fe_external_ip" {
+  name         = "http"
+  project      = "${var.project}"
+  region       = "${var.region}"
+  address_type = "EXTERNAL"
+
+  # subnetwork   = "${var.subnetwork}"
+}

environments/gprd/load-balancers/variables.tf

+variable "fe_http_instances" {
+  type        = "list"
+  description = "The list of instances to add to the http backend pool"
+}
+
+variable "fe_https_instances" {
+  type        = "list"
+  description = "The list of instances to add to the https backend pool"
+}
+
+variable "fe_ssh_instances" {
+  type        = "list"
+  description = "The list of instances to add to the ssh backend pool"
+}
+
+variable "region" {
+  type        = "string"
+  description = "The target region"
+}
+
+variable "project" {
+  type        = "string"
+  description = "The target project"
+}
+
+# variable "subnetwork" {
+#   type        = "string"
+#   description = "The target subnetwork"
+# }
+

environments/gprd/main.tf

@@ -435,6 +435,15 @@ module "external-lb" {
   vpc              = "${module.network.self_link}"
 }
 
+module "google_load_balancers" {
+  source             = "./load-balancers"
+  project            = "${var.project}"
+  region             = "${var.region}"
+  fe_http_instances  = "${module.external-lb.instances_self_link}"
+  fe_https_instances = "${module.external-lb.instances_self_link}"
+  fe_ssh_instances   = "${module.external-lb.instances_self_link}"
+}
+
 ##################################
 #
 #  VPN connection to Azure

modules/google/generic-pet/outputs.tf

+output "instances_self_link" {
+  # value = "${length(google_compute_instance.instance_without_attached_disk.*.self_link) > 0 ? google_compute_instance.instance_without_attached_disk.*.self_link : google_compute_instance.instance_with_attached_disk.*.self_link}"
+  value = "${google_compute_instance.instance_without_attached_disk.*.self_link}"
+}