terraform/examples/google-content-based-load-b.../main.tf

160 lines
3.5 KiB
HCL

# https://cloud.google.com/compute/docs/load-balancing/http/content-based-example
provider "google" {
region = "${var.region}"
project = "${var.project_name}"
credentials = "${file("${var.credentials_file_path}")}"
}
resource "google_compute_instance" "www" {
name = "tf-www-compute"
machine_type = "f1-micro"
zone = "${var.region_zone}"
tags = ["http-tag"]
disk {
image = "projects/debian-cloud/global/images/family/debian-8"
}
network_interface {
network = "default"
access_config {
// Ephemeral IP
}
}
metadata_startup_script = "${file("scripts/install-www.sh")}"
service_account {
scopes = ["https://www.googleapis.com/auth/compute.readonly"]
}
}
resource "google_compute_instance" "www-video" {
name = "tf-www-video-compute"
machine_type = "f1-micro"
zone = "${var.region_zone}"
tags = ["http-tag"]
disk {
image = "projects/debian-cloud/global/images/family/debian-8"
}
network_interface {
network = "default"
access_config {
// Ephemeral IP
}
}
metadata_startup_script = "${file("scripts/install-video.sh")}"
service_account {
scopes = ["https://www.googleapis.com/auth/compute.readonly"]
}
}
resource "google_compute_global_address" "external-address" {
name = "tf-external-address"
}
resource "google_compute_instance_group" "www-resources" {
name = "tf-www-resources"
zone = "${var.region_zone}"
instances = ["${google_compute_instance.www.self_link}"]
named_port {
name = "http"
port = "80"
}
}
resource "google_compute_instance_group" "video-resources" {
name = "tf-video-resources"
zone = "${var.region_zone}"
instances = ["${google_compute_instance.www-video.self_link}"]
named_port {
name = "http"
port = "80"
}
}
resource "google_compute_health_check" "health-check" {
name = "tf-health-check"
http_health_check {
}
}
resource "google_compute_backend_service" "www-service" {
name = "tf-www-service"
protocol = "HTTP"
backend {
group = "${google_compute_instance_group.www-resources.self_link}"
}
health_checks = ["${google_compute_health_check.health-check.self_link}"]
}
resource "google_compute_backend_service" "video-service" {
name = "tf-video-service"
protocol = "HTTP"
backend {
group = "${google_compute_instance_group.video-resources.self_link}"
}
health_checks = ["${google_compute_health_check.health-check.self_link}"]
}
resource "google_compute_url_map" "web-map" {
name = "tf-web-map"
default_service = "${google_compute_backend_service.www-service.self_link}"
host_rule {
hosts = ["*"]
path_matcher = "tf-allpaths"
}
path_matcher {
name = "tf-allpaths"
default_service = "${google_compute_backend_service.www-service.self_link}"
path_rule {
paths = ["/video", "/video/*",]
service = "${google_compute_backend_service.video-service.self_link}"
}
}
}
resource "google_compute_target_http_proxy" "http-lb-proxy" {
name = "tf-http-lb-proxy"
url_map = "${google_compute_url_map.web-map.self_link}"
}
resource "google_compute_global_forwarding_rule" "default" {
name = "tf-http-content-gfr"
target = "${google_compute_target_http_proxy.http-lb-proxy.self_link}"
ip_address = "${google_compute_global_address.external-address.address}"
port_range = "80"
}
resource "google_compute_firewall" "default" {
name = "tf-www-firewall-allow-internal-only"
network = "default"
allow {
protocol = "tcp"
ports = ["80"]
}
source_ranges = ["130.211.0.0/22", "35.191.0.0/16"]
target_tags = ["http-tag"]
}