160 lines
3.8 KiB
HCL
160 lines
3.8 KiB
HCL
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// Compute
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// ----------------------------------
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// The instance for K3S
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resource "google_compute_instance" "k3s" {
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name = "k3s-vm-1"
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machine_type = "e2-small" # This instance will have 2 Gb of RAM
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zone = var.zone
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tags = ["web"]
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// Set the boot disk and the image (10 Gb)
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boot_disk {
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initialize_params {
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image = "debian-cloud/debian-12"
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size = 10
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}
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}
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// Configuration to be a Spot Instance, to reduce costs
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scheduling {
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automatic_restart = true
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}
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# scheduling {
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# preemptible = false
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# automatic_restart = true
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# provisioning_model = "SPOT"
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# instance_termination_action = "STOP"
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# }
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// attach a disk for K3S
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attached_disk {
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source = google_compute_disk.k3s_disk.id
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device_name = "k3s-disk"
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}
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// attach a disk for app data
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attached_disk {
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source = google_compute_disk.app_data_disk.id
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device_name = "app-data-disk"
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}
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network_interface {
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network = "default"
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// enable ephemeral ip
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access_config {}
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}
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labels = {
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env = var.env
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region = var.region
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app = var.app_name
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sensitive = "false"
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}
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metadata_startup_script = file("scripts/k3s-vm-startup.sh")
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allow_stopping_for_update = true
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}
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// Storage
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// ----------------------------------
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// The disk attached to the instance (15 Gb)
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resource "google_compute_disk" "k3s_disk" {
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name = "k3s-disk"
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size = 15
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type = "pd-standard"
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zone = var.zone
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}
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// The disk for app data (20 Gb)
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resource "google_compute_disk" "app_data_disk" {
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name = "app-data-disk"
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size = 20
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type = "pd-standard"
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zone = var.zone
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}
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// load balancer ....
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# resource "google_compute_health_check" "http_health_check" {
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# name = "http-health-check"
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# check_interval_sec = 5
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# timeout_sec = 5
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# healthy_threshold = 2
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# unhealthy_threshold = 2
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# http_health_check {
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# port = 80
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# }
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# }
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resource "google_compute_http_health_check" "http_health_check" {
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name = "http-health-check"
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request_path = "/"
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port = 80
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check_interval_sec = 5
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timeout_sec = 5
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healthy_threshold = 2
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unhealthy_threshold = 2
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}
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# resource "google_compute_target_pool" "k3s_pool" {
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# name = "k3s-target-pool"
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# instances = [google_compute_instance.k3s.self_link]
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# health_checks = [google_compute_health_check.http_health_check.self_link]
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# }
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resource "google_compute_target_pool" "k3s_pool" {
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name = "k3s-target-pool"
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instances = [google_compute_instance.k3s.self_link]
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health_checks = [google_compute_http_health_check.http_health_check.self_link]
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}
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resource "google_compute_forwarding_rule" "http_forwarding_rule" {
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name = "http-forwarding-rule"
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target = google_compute_target_pool.k3s_pool.self_link
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port_range = "80"
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ip_protocol = "TCP"
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load_balancing_scheme = "EXTERNAL"
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}
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resource "google_compute_forwarding_rule" "https_forwarding_rule" {
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name = "https-forwarding-rule"
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target = google_compute_target_pool.k3s_pool.self_link
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port_range = "443"
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ip_protocol = "TCP"
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load_balancing_scheme = "EXTERNAL"
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}
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// ----------------------------------
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data "google_project" "project" {
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project_id = var.project_name # Use variable from tfvars
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}
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output "project_number" {
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value = data.google_project.project.number
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}
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output "k3s_vm_public_ip" {
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value = google_compute_instance.k3s.network_interface[0].access_config[0].nat_ip
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description = "Ephemeral public IP of the k3s VM"
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}
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output "load_balancer_ip" {
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value = google_compute_forwarding_rule.http_forwarding_rule.ip_address
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description = "External IP address of the load balancer (HTTP)"
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}
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